A fuel hose has an inner layer in a tubular shape and an outer layer provided in contact with an outer circumferential surface of the inner layer, and the inner layer is composed of a crosslinked body of a rubber composition containing the following (A) to (E), and the outer layer is composed of a crosslinked body of a rubber composition containing the following (F) to (G):
(A) polyol-crosslinked fluororubber
(B) polyol crosslinking agent
(C) calcium hydroxide
(D) triallyl isocyanurate
(E) peroxide crosslinking agent
(F) hydrin rubber
(G) monoglyceride having an aliphatic hydrocarbon group having 10 or more and 22 or less carbon atoms.
F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics
B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
222SA) and the iodine adsorption amount (IA) is 1.20 × 103to 1.50 × 103m2/g. (b) The strongly acid group concentration is 0.50 × 10-5mol/g or less. (c) The iodine adsorption amount (IA) is 50-70 mg/g. (d) The DBP absorption amount is 130-150 cm3/100 g.
[Problem] Even when an object to be evaluated is a composite member made from a combination of members having different material properties, it is made possible to properly evaluate the composite member as a whole on the assumption of actual use. [Solution] Provided is a preparation method of a test piece 100 of an axle beam bush formed from metal and rubber, which have different material properties, whereby: a predetermined region is set which is exposed to a heat source located at a predetermined position and where a part exhibiting the lowest flame resistance has the largest surface area when the axle beam bush is actually used; the surface area ratios of members present in the region are calculated; and a test piece 100 is prepared by using a metal member 103 and a rubber member 104 having the same material properties as those of said members in the region, the metal member and the rubber member being exposed at the same ratios as the calculated surface area ratios.
Provided is a belt member which is for electrophotographic equipment, and which suppresses the generation of creases and waviness during long-term storage and use, suppresses the sliding sound of a cleaning blade, improves appearance, and improves the adhesiveness between a surface layer and a base layer. A belt member 10 for electrophotographic equipment has, on an outer circumferential surface of a cylindrical base layer 12, a surface layer 14 constituted as a cured body of a resin composition containing, with respect to 100 parts by mass of a hydroxyl group-containing fluororesin: 10-30 parts by mass of an isocyanate curing agent having isocyanate groups at both terminals and having a molecular weight of 600-4,000 g/mol, or 5-18 parts by mass of an isocyanate curing agent having an isocyanate group at one terminal; 5-10 parts by mass of a fluorine-based surfactant; and 1.0-5 parts by mass of a silane coupling agent having an amino group or an isocyanate group.
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
Provided is a charging roll for an electrophotographic apparatus, the charging roll configured so that any increase in resistance and any bleeding of ionic electroconductive agent while energization persists can be minimized. A charging roll 10 for an electrophotographic apparatus comprises a shaft body 12 and an elastic body layer 14 that is formed on the outer peripheral surface of the shaft body 12. The elastic body layer 14 contains the following components (a) to (c). The content of (c) is preferably 0.1-5.0 mass parts inclusive with respect to 100 mass parts of (a). The content of (b) is preferably 0.5-3.0 mass parts inclusive with respect to 100 mass parts of (a). Components: (a) a hydrin rubber composition with a chlorine content of 14-19% inclusive; (b) an ion conducting agent; and (c) a salt of a cyclic amidine compound.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
The present invention achieves a stable quality for a cylindrical anti-vibration device and intermediate sleeve by effectively applying a blast treatment, spray treatment, or the like for the intermediate sleeve to the entirety of the intermediate sleeve. In this cylindrical anti-vibration device 10, an inner shaft member 12 and an outer tube member 14 are coupled by a body rubber elastomer 16, and a cylindrical intermediate sleeve 18 extending in the circumferential direction between the inner shaft member 12 and the outer tube member 14 in the radial direction is adhered to the body rubber elastomer 16. A slit 22 penetrating in the axial direction is formed in a portion of the intermediate sleeve 18 in the circumferential direction, both end sections of the slit 22 are straight sections 24, 24 extending in the axial direction, and the direct overlap margin in the axial direction view of the straight sections 24, 24 on both sides is made smaller than the radial direction thickness dimension of the intermediate sleeve 18.
F16F 1/38 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 1/387 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
CONTACT DETECTION DEVICE A contact detection device (10) comprises a capacitive sensor (7), and a determination processor (30) that detects whether a conductive body has come into contact with a plurality of detection regions (LF, RF, LB, RB). The determination processor (30) comprises a storage unit (31), a determination reference value setting unit (32), and a determination processing unit (33). The determination reference value setting unit (32) determines that a detection region in which the difference between a capacitance-corresponding value and a setting reference value (41) surpasses a threshold value (43) is a contact region with which the conductive body is in contact, determines that a detection region in which the difference between the capacitance-corresponding value and the setting reference value (41) is less than or equal to the threshold value (43) is a non-contact region with which the conductive body is not in contact, and upon determining that there is a contact region and determining that there is a non-contact region, sets the setting reference value (41) corresponding to the non-contact region as a contact region determination reference value (42) for the contact region.
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
B62D 1/06 - Rims, e.g. with heating means; Rim covers
A tubular vibration damping device includes an inner shaft member and an outer tubular member connected by a main rubber elastic body. A plurality of first identification protrusions protruding outward are formed apart in a circumferential direction on one axial end surface of the main rubber elastic body, and a plurality of second identification protrusions protruding outward are formed apart in the circumferential direction on another axial end surface. The first identification protrusion and the second identification protrusion are arranged at positions differing from each other in the circumferential direction in an axial projection, and the first identification protrusion and the second identification protrusion have a comprehensive overall pattern in which weight balance is maintained on a central axis of the main rubber elastic body.
F16F 1/38 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
F16F 7/108 - Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted on plastics springs
Provided is an industrial hose excellent in adhesion between a rubber layer and a reinforcement layer comprising a plated wire, and excellent in heat resistance. This industrial hose has a rubber layer and a reinforcement layer comprising a plated wire that comes into contact with the rubber layer, the rubber layer comprising a rubber composition containing components (A) to (D), the content of component (C) being 0.5 to 1.0 parts by mass and the content of component (D) being 1.0 to 3.0 parts by mass relative to 100 parts by mass of component (A), a mass ratio [(C)/(B)] of component (C) to component (B) being 0.5 to 1.0, and a mass ratio [(D)/{(B)+(C)+(D)}] of component (D) to the total amount of components (B) to (D) being 0.3 to 0.6. (A) A diene-based rubber (B) At least one of a sulfenamide vulcanization accelerator and a thiazole vulcanization accelerator (C) N-phenyl-N-(trichloromethylthio)benzenesulfonamide (D) Sulfur
Provided is a conductive member for electrophotographic devices in which adhesion of toner and paper dust is minimized. This conductive member 10 for electrophotographic devices comprises an elastic layer 14 and a surface layer 14 formed on the outer peripheral surface of the elastic layer 14. A plurality of protrusions 18 are formed on the outer peripheral surface of the surface layer 16, the tips of the protrusions 18 are configured as curved surfaces, the height h of the protrusions 18 is 1.0-10 nm inclusive, the width W of the protrusions 18 is 1.0-100 nm inclusive, and the width W of the protrusions 18 relative to the distance d between protrusions 18 is 0.5-1.5 inclusive.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
F16C 13/00 - Rolls, drums, discs, or the like; Bearings or mountings therefor
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
A contact detection device (10) in which an AC power supply (11) applies, while switching between, a first AC voltage and a second AC voltage having different frequencies, onto a first electrode layer (22) and a second electrode layer (23), the contact detection device (10) comprising: a storage unit (34) that stores an alternative quadrature component (QA) corresponding to a state in which a conductor is in contact with an electrostatic sensor (7); a quadrature component comparison unit (31) that makes a comparison between a first quadrature component (Q1) extracted when the first AC voltage is applied onto the second electrode layer (23) and a second quadrature component (Q2) extracted when a second AC voltage is applied onto the second electrode layer (23); and a contact determining unit (33) that detects contact by a conductor on the basis of the first quadrature component (Q1) if the first quadrature component (Q1) and the second quadrature component (Q2) are within the range of a first quadrature error (ΔQE1), and detects contact by a conductor on the basis of the alternative quadrature component (QA) if the first quadrature component (Q1) and the second quadrature component (Q2) are outside the range of the first quadrature error (ΔQE1).
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
B62D 1/06 - Rims, e.g. with heating means; Rim covers
A contact detecting device (10) comprises an electrostatic sensor (7), a first bridge capacitor (12), a charge/discharge switching element (13), a control device (14), and a measuring instrument (15), wherein: the electrostatic sensor (7) is configured to have an electrostatic capacitance that changes in accordance with at least one of a surface area contacted by a conductor (51, 52) and a distance to the conductor, and is configured to have a time constant (τ) that changes depending on an electrical resistance corresponding to a distance from a first measuring position (29); and in a charging process, the measuring instrument (15) detects a position at which the conductor (51, 52) is in contact with the electrostatic sensor (7), on the basis of a first potential first sampling value (V11), which is a first potential (V1) acquired at a first sampling time point (ST1), and a first potential second sampling value (V12), which is the first potential (V1) acquired at a second sampling time point (ST2) after a predetermined period of time has elapsed from the first sampling time point (ST1).
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
A tubular vibration damping device has a structure in which an inner shaft member is connected with an outer tube member made of synthetic resin by a body rubber elastic body. The outer tube member has a structure in which a tubular part extends in an axial direction from an inner peripheral end of a flange of an annular plate shape. A press fit rubber is fixed to an outer peripheral surface of the tubular part, and an axial surface of the flange on a side from which the tubular part extends is exposed without being covered with the press fit rubber. A notch penetrating in a radial direction is provided at an axial end of the outer tube member that includes the flange. A connecting rubber that connects the body rubber elastic body and the press fit rubber is provided in the notch.
A vibration damping device including first and second attachment members connected by a main rubber elastic body. The second attachment member includes a main rubber outer member having a first tubular part fastened to an outer peripheral end of the main rubber elastic body, and a drawing fitting having a second tubular part attached externally about the first tubular part of the main rubber outer member. The first tubular part is axially inserted in the second tubular part, and the second tubular part is reduced in diameter to be fitted to an outer circumferential surface of the first tubular part. Fitted portions of the first tubular part and the second tubular part include respective tapered parts decreasing in diameter in a direction of dislodgment that is opposite to a direction of insertion of the first tubular part in the second tubular part.
F16F 13/08 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
This elastic member (4) for a battery pack is disposed in a battery pack (1), in which a plurality of battery cells (2) are lined up in a prescribed direction, in a state of being in elastic contact with the battery cells (2). The elastic member (4) for a battery pack is composed of a foamed body that satisfies the following conditions (a) to (d). (a) The Asker C hardness is 20-40. (b) The foaming ratio is 3.0-5.0. (c) The closed-cell ratio is 50-95%. (d) The pore structure in a thickness-direction cross-section has elliptical pores that are elongated in the thickness direction, where the thickness direction is the direction in which the elastic member is in elastic contact with the battery cells 2 as a thickness direction.
H01M 50/293 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
H01M 50/291 - Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
16.
CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE AND METHOD FOR MANUFACTURING CHARGING ROLL FOR ELECTROPHOTOGRAPHIC DEVICE
The charging roll 10 for an electrophotographic device comprises a shaft 12, an elastic layer 14 formed on the outer peripheral surface of the shaft 12, and a top layer 16 formed on the outer peripheral surface of the elastic layer 14. The elastic layer 14 is constituted of a high-resistance first phase 14a in which the surface resistance value is 1.6×1014 Ω·cm to 8.8×1015 Ω·cm (inclusive), and a low-resistance second phase 14b in which the surface resistance value is 1.3×102 Ω·cm to 4.9×103 Ω·cm (inclusive). The second phase 14b contains two types of carbon black: carbon black A, of which the amount of DBP absorption is 115 cm3/100 g to 160 cm3/100 g (inclusive); and carbon black B, of which the amount of DBP absorption is 70 cm3/100 g to 110 cm3/100 g (inclusive).
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
A flame-retardant soundproof material for vehicles includes a polyurethane foam obtained by foam-molding a urethane resin composition. The urethane resin composition contains an isocyanate component (A), a polyol component (B), and an expandable graphite (C). The isocyanate component (A) includes a mixture of 2,4′-MDI and 4,4′-MDI, and one or more modified forms selected from carbodiimide modified forms and uretonimine modified forms of at least one of 2,4′-MDI and 4,4′-MDI. The content of the one or more modified forms in the urethane resin composition is 5.0 mass % to 8.8 mass %. The polyol component (B) includes a polyether polyol as a main constituent. The expandable graphite (C) has an expansion initiation temperature of 170° C. to 200° C., an expansion ratio of 10 or more at 250° C., and a content of 8 mass % to 20 mass % in the urethane resin composition.
A urethane foam-molded article has a base material made of polyurethane foam and composite particles that are included and oriented in the base material. The composite particles have thermally conductive particles that are made of a non-magnetic material and have a thermal conductivity of 200 W/m·K or higher and magnetic particles attached to the surfaces of the thermally conductive particles with a binder and are surface-treated with one or more surfactants selected from a carboxylic acid-type surfactant and a succinic acid-type surfactant.
B29C 44/04 - Shaping by internal pressure generated in the material, e.g. swelling or foaming for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
1221122 of the flat surface parts 24 have a specific relationship, a surface layer 16 includes a binder polymer 16a and roughness-forming particles 18, and the roughness-forming particles 18 are disposed on both the flat surface parts 24 and the groove parts 22.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
F16C 13/00 - Rolls, drums, discs, or the like; Bearings or mountings therefor
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
Provided is a radical-curable sealing member for fuel cells that has excellent product durability and suppresses changes in mechanical properties caused by heat and hydrolysis (such as reduced stretch and increased hardness caused by embrittlement). A sealing member 4 is a crosslinked product of a radical-curable composition that contains components (A)-(E), there being 0.1-10 parts by mass of component (B) per 100 parts by mass of component (A). (A) A polymer for fuel cell sealing members that has a radical-curable functional group and also has at least one of a urethane linkage and an ester linkage in the molecular chain thereof. (B) A carbodiimide compound that has at least one functional group selected from the group that consists of ether groups, aliphatic hydrocarbon groups that have at least 3 carbons, and alicyclic hydrocarbon groups. (C) A monofunctional (meth)acrylic monomer. (D) A polyfunctional (meth)acrylic monomer. (E) A radical polymerization initiator.
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
A sensor sheet (21) is to be wound around a core (19) of a steering wheel (10) having a center shaft line (A) formed in a protruded curve, the sensor sheet (21) comprising: an insulating sheet (24) made of an elastomer; and a first electrode layer (25a) and a second electrode layer (25b) that are laminated on the obverse surface and the reverse surface of the insulating sheet (24). The sensor sheet (21) is provided with a sensor sheet winding part (22) which comprises the insulating sheet (24), the first electrode layer (25a), and the second electrode layer (25b) and which is wound around the core (19). The sensor sheet winding part (22) is formed so as to have a reference core line (R) having a shape that corresponds to at least a portion of the protruded curve of the center shaft line (A) of the core (19), and to have a C-shaped or U-shaped planar cross-section that is orthogonal to the reference core line (R).
A heat insulating member includes a heat insulating layer containing: a porous structure that has a plurality of particles connected to form a skeleton, has pores in an inside, and has a hydrophobic site on at least a surface between the surface and the inside; infrared shielding particles; and inorganic fibers, the heat insulating layer satisfying the following conditions (a) to (d) with a total mass of the heat insulating layer as 100% by mass. (a) A content of the inorganic fibers is 5% by mass or more and 25% by mass or less. (b) A content of the infrared shielding particles is 10% by mass or more. (c) A total content of the porous structure and the infrared shielding particles is 70% by mass or more. (d) A ratio of a content of the porous structure to the content of the infrared shielding particles is 1.2 or more.
Provided are a vibration isolation rubber composition and a vibration isolation rubber member which are capable of attaining all of high durability, inhibition of decrease in springiness, and insulating properties on a high level. The vibration isolation rubber composition comprises a polymer component comprising the following component (A) and further includes the following components (B)-(D), wherein the amounts of the component (B), the component (C), and the component (D) are 0.1-5 parts by mass, 10-40 parts by mass, and 10-30 parts by mass, respectively, per 100 parts by mass of the component (A) and the component (C) has a BET specific surface area of 18-40 m2/g. (A): A diene-based rubber. (B): A dihydrazide compound. (C): Carbon black. (D): Silica.
Provided are an anti-vibration rubber composition and an anti-vibration rubber member, which can suppress a decrease in durability while improving resistance to vulcanization reversion. The anti-vibration rubber composition contains components (A) to (E), and is characterized in that relative to 100 parts by mass of component (A), the content of component (B) is 0.6-5.5 parts by mass, the content of component (C) is 0.45-3.5 parts by mass, the content of component (D) is 0.25-5.5 parts by mass, and the mass ratio [(C)/(D)] of component (C) relative to component (D) is 0.15-5.0. (A) A diene-based rubber. (B) A bismaleimide compound. (C) A sulfenamide-based vulcanization accelerator. (D) A sulfur-based vulcanizing agent. (E) An inorganic filler.
C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
Provided is a charging roll for electrophotographic equipment with which any increase in resistance and any bleeding of ionic electroconductive agent while energization persists can be minimized. A charging roll 10 for electrophotographic equipment, the charging roll 10 comprising a shaft body 12 and an elastic layer 14 that is formed on the outer peripheral surface of the shaft body 12, the elastic layer 14 being a crosslinked article of a rubber composition containing the following components (a) to (e). (a) One or more selected from hydrin rubber and nitrile rubber, (b) a crosslinking agent, (c) an ionic electroconductive agent, (d) one or more selected from piperidinyloxy radical compounds and phenolic antioxidants, and (e) one or more selected from salts of cyclic amidine compounds and thiophthalimide compounds.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
This molded urethane foam comprises a base made of polyurethane foam and composite particles oriented and contained in the base. The composite particles comprise thermally conductive particles made of a nonmagnetic material and having a thermal conductivity of 200 W/m·K or greater and magnetic particles bonded to the surface of the thermally conductive particles with a binder, and have been surface-treated with one or more surfactants selected from among carboxylic acid type surfactants and succinic acid type surfactants. This method for producing the molded urethane foam comprises a step in which raw materials for granulation comprising a powder of the thermally conductive particles, a powder of the magnetic particles, the binder, one or more carboxylic acid type/succinic acid type surfactants, and water are stirred to produce composite particles, a step in which a powder of the composite particles is mixed with a raw material for urethane resin foam to produce a raw-material mixture, and a step in which the raw-material mixture is foamed and molded in a magnetic field.
In a vibration damping device applying a magnetic force from a magnetic field generation unit to an orifice path communicating with fluid chambers into which a magnetic functional fluid is filled and controlling vibration damping properties. An intermediate cylindrical member to which an outer cylindrical member formed by a non-magnetic material is externally fit and fixed is formed by a ferromagnetic material. In the intermediate cylindrical member, a magnetic field acting opening part is provided at a position corresponding to the orifice path.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16F 13/30 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids
In a fluid-filled cylindrical vibration damping device, an inner shaft member and an outer shaft member are elastically linked by a main rubber elastic body, and fluid chambers in which a fluid is filled are provided to be in communication with each other through an orifice path. The fluid filled in the fluid chambers is a magnetic functional fluid. The fluid-filled cylindrical vibration damping device includes a magnetic unit generating a magnetic field through power conduction. Magnetic path formation members to which the magnetic field is applied by the magnetic unit are arranged on sidewall portions on two facing sides in the orifice path. A magnetic flux concentration part 46 is provided at at least one the magnetic path formation members. A dimension of the magnetic flux concentration part in a length direction of the orifice path is reduced toward an inward side in a facing direction.
A skin material includes a skin layer, an intermediate layer, a design layer, and at least one recess. The skin layer has a light transmittance. The intermediate layer is disposed on a back side of the skin layer and has a light transmittance lower than the light transmittance of the skin layer. The design layer is disposed on the back side of the intermediate layer and has a light transmittance lower than the light transmittance of the intermediate layer. The at least one recess is opened on a back surface of the design layer. A bottom of the recess has an intermediate layer reaching part defined at the intermediate layer.
A flame-retardant vibration isolation rubber composition comprises the following (A) to (D), the proportion of (B) being 20-150 parts by mass, the proportion of (C) being 0.01-5.0 parts by mass, and the proportion of (D) being 10-80 parts by mass with respect to 100 parts by mass of (A), which makes it possible to provide a flame-retardant vibration isolation rubber composition and a flame-retardant vibration isolation rubber member that are excellent in vibration isolation rubber properties such as rubber physical characteristics and dynamic magnification while maintaining flame-retardant property. In the flame-retardant vibration isolation rubber composition, (A) is a diene rubber, (B) is a metal hydroxide, (C) is a dihydrazide compound, and (D) is a carbon black.
A paper feeding roll includes a shaft body and an elastic material layer. A first outer diameter portion and a second outer diameter portion having a larger outer diameter than the first outer diameter portion are provided in a portion where the elastic material layer is provided. A sloping portion is provided connecting between the first and second outer diameter portions so that the outer diameter varies along an axial direction. The sloping portion occupies 3% to 80% of the portion where the elastic material layer is provided. A difference in outer diameter between the first and second outer diameter portions is 50 μm to 1,000 μm. Protrusions that form surface unevenness are formed on an outer peripheral surface of the elastic material layer. Surface roughness of the first outer diameter portion is 50% to 200% of a step difference between the first and second outer diameter portions.
A thermal insulation sheet includes: a base material in the form of a sheet and having a thickness of 5 μm or more to 50 μm or less; and a thermal insulation layer arranged on at least one surface of the base material. The thermal insulation layer includes: a porous structure that has a skeleton composed of a plurality of particles connected to each other, has pores therein, and has a hydrophobic site at least on a surface out of the surface and inside of the porous structure; and a binder that connects the porous structures with each other and has an elongation at break of 200% or more.
An antivibration device includes a bracket fixed to an antivibration connection target member. A positioning member attached to an attachment hole of the bracket includes a positioning protruding portion inserted into a positioning hole of the antivibration connection target member and positioning the bracket; and a cylindrical attachment portion protruding from the positioning protruding portion and inserted into the attachment hole. The attachment portion has a locking claw protruding toward the outer periphery. The positioning member is positioned with respect to the bracket by sandwiching a peripheral edge portion of the attachment hole between the positioning protruding portion and the locking claw. The peripheral edge portion of the attachment hole has a protrusion that protrudes in the penetrating direction of the attachment hole to adjust and set the thickness of the peripheral edge portion.
F16F 1/38 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
34.
VIBRATION ISOLATING AND DAMPING MEMBER AND MANUFACTURING METHOD THEREOF
A vibration isolating and damping member that is excellent in mechanical properties such as high-temperature durability, is excellent in reusability, and is capable of reducing manufacturing costs, and a manufacturing method thereof are provided. The vibration isolating and damping member is formed of polyurethane, a polyol component of the polyurethane includes a polyester-based polyol excluding a short-chain polyol, an isocyanate component of the polyurethane contains 1,5-naphthalenediisocyanate as a main component, and the vibration isolating and damping member is formed of a foam of a thermoplastic urethane composition having an NCO index of 0.9 to 1.04.
A quick coupler for automotive fluid transport tubing discloses a quick coupling element used on metallic tubing, particularly on tubing for automotive fluid transport. The quick coupler includes two locking members made in thermoplastic material, and the quick coupler being fitted on both a male fitting tube and a female fitting tube in order to join the tubes together and provide them with an anti-rotation safety system.
F16L 37/091 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
F16L 37/098 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
A charging roll includes a shaft body, an elastic body layer formed on an outer circumferential surface of the shaft body, and a surface layer formed on an outer circumferential surface of the elastic body layer. The elastic body layer includes silicone rubber. A plurality of large protruding parts having a width of 13-48 μm and a height of 5-13 μm are provided on the outer circumferential surface of the elastic body layer, and a plurality of small protruding parts forming unevenness having a ten-point average roughness Rz of 1.0-6.0μm are provided on the surface of the large protruding parts. The surface layer contains a urethane polymer, and the elongation at breakage of the surface layer is 285-525%.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
37.
DOUBLE-TUBE HEAT EXCHANGER AND MANUFACTURING METHOD THEREFOR
The double-tube heat exchanger has an outer tube and an inner tube inserted into the outer tube, is provided with an inside channel within the inner tube and an outside channel between the inner tube and the outer tube, and is configured to exchange heat between the fluid flowing in the inside channel and the fluid flowing in the outside channel. The inner tube has an uneven portion having unevenness on the outer peripheral surface. A large-diameter sealing portion is interposed between one axial end of the outer tube and the inner tube. A small-diameter sealing portion, which has a smaller diameter than the large-diameter sealing portion, is interposed between the other axial end of the outer tube and the inner tube. The outside channel and the uneven portion are arranged using the difference in axial position and diameter between the large-diameter sealing portion and the small-diameter sealing portion.
F28D 7/10 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
F28F 1/22 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means having portions engaging further tubular elements
F28F 1/16 - Tubular elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
A damper system for damping vibrations of an assembly unit of a vehicle comprises one or more main vibration dampers and one or more acoustic bushings. The respective main vibration damper is tuned to vibrations from a lower frequency range. The respective acoustic bushing is tuned to vibrations from a higher frequency range which lies above and does not overlap with the lower frequency range.
F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
In a cylindrical mount in which an inner member and an outer cylindrical member are connected by a main rubber elastic body in a cylindrical shape, the inner member includes a cup member open toward the main rubber elastic body, an end of the main rubber elastic body in an axial direction is inserted and installed to the cup member, a bottom wall of the cup member is superimposed to an end surface of the main rubber elastic body in the axial direction without being bonded, and a circumferential wall of the cup member expands toward an opening side, and, at least in an opening portion, is arranged as a deformation regulation part which has a gap in a state of being separated with respect to the main rubber elastic body toward an outer circumference to be externally inserted.
B62D 24/02 - Vehicle body, not intended to move relatively to the vehicle frame, and mounted on vibration absorbing mountings, e.g. rubber pads
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
A multilayer body that is obtained by bonding a separator, which serves as a base material, and a lip, which serves as a sealing member, to each other by the intermediary of an adhesive layer , wherein: the lip is formed of a rubber composition that contains the component (A) described below; and the adhesive layer is formed of an adhesive that is mainly composed of the component (α) described below. Consequently, this multilayer body exhibits high acid-resistant adhesion at high temperatures, thereby having excellent long-term bonding reliability and excellent sealing properties. (A): A rubber component that is composed of at least one of an ethylene-propylene-diene rubber and an ethylene-butene-diene rubber. (α): A copolymerized oligomer-type silane coupling agent that comprises a specific hydrophilic functional group and a specific hydrophobic functional group at a specific ratio.
B32B 15/18 - Layered products essentially comprising metal comprising iron or steel
B32B 15/06 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of rubber
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 25/16 - Layered products essentially comprising natural or synthetic rubber comprising polydienes or poly-halodienes
B32B 25/08 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
B32B 25/02 - Layered products essentially comprising natural or synthetic rubber with fibres or particles embedded in it or bonded with it
A fluid-filled vibration damping device including: a pressure-receiving chamber; an equilibrium chamber; a partition partitioning the two chambers while including a communication aperture connecting the two chambers; and a rubber elastic plate arranged in the partition while covering the communication aperture. The rubber elastic plate includes: an outside contact-retainer part provided partially along a circumference at an outer edge of the rubber elastic plate while being held overlapped with the partition; an elastic deformation zone provided circumferentially between the outside contact-retainer part to become apart from the partition based on a pressure differential between the two chambers thereby allowing a fluid flow through the communication aperture; and a radial reinforcing rib projecting from a surface of the rubber elastic plate and extending radially outward from an inside contact-retainer part that is held overlapped with the partition toward the elastic deformation zone.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
Provided is a hose for fuels which, even when stored in a green rubber state after extrusion, has excellent adhesiveness between the inner layer of a polyol-crosslinkable fluororubber and the outer layer of a hydrin-based rubber. The hose 10 for fuels comprises a tubular inner layer 12 and an outer layer 14 disposed in contact with the peripheral surface of the inner layer 12, wherein the inner layer 12 is made of a crosslinked object obtained from a rubber composition comprising the following (A) to (E) and the outer layer 14 is made of a crosslinked object obtained from a rubber composition comprising the following (F) and (G). (A) A polyol-crosslinkable fluororubber (B) A polyol crosslinking agent (C) Calcium hydroxide (D) Triallyl isocyanurate (E) A peroxide crosslinking agent (F) A hydrin-based rubber (G) A monoglyceride having an aliphatic hydrocarbon group having 10-22 carbon atoms
Provided is an anti-vibration/vibration suppression member which has excellent mechanical properties such as high temperature endurance, has excellent reproducibility, and furthermore, realizes a reduction in manufacturing costs. Also provided is a method for manufacturing the same. The anti-vibration/vibration suppression member comprises polyurethane, wherein: the polyol component of the polyurethane comprises, other than a short-chain polyol, a polyester-based polyol; the isocyanate component of the polyurethane has 1,5-naphthalene diisocyanate as a main component. The anti-vibration/vibration suppression member comprises a foam product of a thermoplastic urethane composition having an NCO index of 0.9-1.04.
C08J 9/04 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
B29C 44/00 - Shaping by internal pressure generated in the material, e.g. swelling or foaming
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
A method for producing a solid natural rubber according to the present invention comprises: a latex supply step in which a natural rubber latex is supplied so as to form a latex layer that has a thickness of 0.5 mm to 4.5 mm; and a drying step in which the latex layer is dried by being irradiated with microwaves so as to obtain a solid natural rubber. By a production method according to the present disclosure, a high-quality solid natural rubber can be produced from a natural rubber latex with high productivity, and therefore, a good balance can be achieved between quality improvement and productivity improvement.
The present invention provides: a rubber composition which is capable of reducing the proportion of petroleum-derived starting materials used therein without deteriorating the properties required for rubber products such as elongation properties; and a rubber product and a hose, each of which is obtained using this rubber composition. The present invention provides a rubber composition which contains the components (A)-(D) described below. (A) a rubber-based polymer (B) a plant-derived filler (C) carbon black (D) diacetyl monododecanoyl glyceride
A decorative sheet (2) comprises, from the front side to the back side, a skin layer (3), an intermediate layer (4), a design layer (5), and a soft layer (7). Recesses (6A to 6D) are open on a front surface and/or a back surface of the design layer (5). The decorative sheet (2) further comprises a plurality of display regions (A1 to D1) formed by the recesses (6A to 6D). The plurality of display regions (A1 to D1) display a predetermined design on a front surface of the skin layer (3) by light emitted from the back side. Light is emitted from the back side to the plurality of display regions (A1 to D1) through the soft layer (7). Light-blocking partition parts (710AB to 710CD) of the soft layer (7) are each disposed between two adjacent display regions (A1 to D1) when viewed from the front side, and prevent light to be emitted to one display region (A1 to D1) from leaking into the other display region (A1 to D1) through the soft layer (7).
G09F 13/04 - Signs, boards, or panels, illuminated from behind the insignia
B32B 3/24 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material characterised by an apertured layer, e.g. of expanded metal
B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
B60R 13/02 - Trim mouldings; Ledges; Wall liners; Roof liners
Provided is an elastomer sheet (21) made of an elastomer, which is wound on a ring part (12) having a three-dimensional curved surface. The elastomer sheet (21) is provided with: a central region (30) located at the center of the elastomer sheet (21 in a winding direction (Y); and a pair of end regions (31) located at the ends of the elastomer sheet (21) in the winding direction (Y). The central region (30) and the pair of end regions (31) are configured such that the sectional shape thereof, taken along a crossing direction (X) crossing the winding direction (Y) of the elastomer sheet (21), is formed to have a wave-like shape that can be extended or compressed in the crossing direction (X), with the rate of extension or compression of the central region (30) and the rate of extension or compression of the pair of end regions (31) with respect to the crossing direction (X) varying from each other.
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
B62D 1/06 - Rims, e.g. with heating means; Rim covers
H05B 3/20 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
Provided is a surface material (30) that is wrapped around the region of at least a part of a ring portion (12) in the circumferential direction of the ring portion (12), the surface material (30) having a foam resin or elastomer mold-formed into a C- or U-shaped cross-section on a plane orthogonal to the axial direction of the ring portion (12) and having a parting line (36) formed on the outer surface thereof, and the parting line (36) being disposed on the surface opposite the ring portion (12) when wrapped around the ring portion (12).
B29C 63/22 - Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using layers or sheathings having a shape adapted to the shape of the article
B29C 33/14 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels against the mould wall
B29C 33/42 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 65/48 - Joining of preformed parts; Apparatus therefor using adhesives
In a charging roll, grooves regularly defining spirals are formed on an elastic body layer, with a groove width of 4 μm to 280 μm and a groove depth of 2 μm to 30 μm. On an outer peripheral surface of the elastic body layer, an area ratio between an area of a bottom surface of the groove and an area of a plane part is 0.3 to 2.4. The surface layer includes a binder polymer and a roughness forming particle. The roughness forming particle is arranged on the plane part and the groove. A surface roughness of the surface layer on the groove is 2 μm to 16 μm. A surface roughness of the entire surface layer is 5 μm to 26 μm. A thickness of the binder polymer covering the roughness forming particle on the groove is greater than that on the plane part.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
An interior member (1) comprises a first skin material (2), a second skin material (3), and transducers (4A to 4D). The first skin material (2) includes a first exposed portion (20) which is exposed in a cabin interior, and a first embedded portion (21) embedded on a cabin exterior side from the first exposed portion (20). The second skin material (3) includes a second exposed portion (30) which is exposed to the cabin interior and which is adjacent to the first exposed portion (20), and a second embedded portion (31) which is embedded on the cabin exterior side from the second exposed portion (30) and which is joined to the first embedded portion (21). The transducers (4A to 4D) each include a main body portion (40) arranged directly behind the first exposed portion (20), and a wiring portion (41) which is disposed directly behind at least the first embedded portion (21) and which is electrically connected to the main body portion (40). An end portion (41a) of each wiring portion (41) is disposed on the cabin exterior side of the first embedded portion (21).
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
B60R 13/02 - Trim mouldings; Ledges; Wall liners; Roof liners
This thermal insulation material is provided with a thermal insulation layer which has: a porous structure for forming a skeleton where a plurality of particles are connected while having pores inside and having a hydrophobic site on the surface thereof or on the surface and on the inside; infrared ray-shielding particles; and inorganic fibers. Said thermal insulation layer satisfies the following conditions (a)-(d). The content of the components in conditions (a)-(d) are calculated based on the mass of the thermal insulation layer overall being 100 mass%. (a) The content of said inorganic fibers is 5-25 mass%, inclusive. (b) The content of said infrared ray-shielding particles is 10 mass% or higher. (c) The content obtained by combining the porous structure and the infrared ray-shielding particles is 70 mass% or higher. (d) The ratio of the content of the porous structure to the content of the infrared ray-shielding particles is 1.2 or higher.
This thermal insulation material is provided with: thermal insulation layers, each of which has a porous structure having a skeleton that is composed of a plurality of particles connected with each other, while having pores inside and hydrophobic portions at least on the surface among the surface and the inside; and a pair of functional layers which are arranged on both sides of the thermal insulation layers in the thickness direction. The pair of functional layers have the same properties that include at least one of fire resistance and radiant heat dissipation properties.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
53.
CYLINDRICAL LAMINATED RUBBER AND AXLE BOX SUPPORT DEVICE FOR RAILWAY VEHICLE
[Problem] To eliminate deformation and abutment position displacement of a restriction member that prevents large displacement. [Solution] A cylindrical laminated rubber part 1 comprises: an inner tube 2; an outer tube 3 disposed coaxially on the outside of the inner tube 2; a laminated section 4 which is provided between the inner tube 2 and the outer tube 3 and is formed by alternately laminating, in the radial direction of the outer tube 3, rubber parts 5A to 5C and support plates 6A, 6B; and gaps 7 formed in the radial direction between the inner tube 2 and the outer tube 3; and is provided with inner restriction members 10 each secured to the inner tube 2 inside the gap 7 and extending radially toward the outer tube 3, and outer restriction members 20 each secured to the outer tube 3 inside the gap 7 and extending radially toward the inner tube 2. The inner restriction member 10 and the outer restriction member 20 face each other in the radial direction across the gap such that an inner facing surface 14a and an outer facing surface 24a thereof abut against each other as the laminated section 4 deforms.
B61F 5/30 - Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
F16F 1/387 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin comprising means for modifying the rigidity in particular directions
F16F 1/40 - Springs made of material having high internal friction consisting of a stack of similar elements separated by non-elastic intermediate layers
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
A tubular vibration-damping device including an inner shaft member and an outer tube member connected by a main rubber elastic body. The outer tube member is configured to be slidably inserted in an attachment tube in an axial direction, and is circumferentially divided so as to be radially deformable or displaceable. A pair of tighteners are disposed on axially opposite sides of the main rubber elastic body. The main rubber elastic body is fastened to an inner circumferential surface of the outer tube member. An adjustment elastic body against which the tighteners are pressed is integrally formed with axially opposite side portions of the main rubber elastic body. Sliding resistance in the axial direction between an outer circumferential surface of the outer tube member and an inner circumferential surface of the attachment tube is settable depending on a pressing force of the tighteners against the adjustment elastic body.
F16F 7/08 - Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
F16F 1/38 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
A first rotation limiting surface where a curvature is partially reduced in a circumferential direction is provided on an outer circumferential surface of an inner shaft fitting. A press-fit fitting is installed to the outer circumferential surface of the inner shaft fitting including the first rotation limiting surface. A second rotation limiting surface where a curvature is partially reduced in the circumferential direction corresponding to the first rotation limiting surface is provided on an inner circumferential surface of an insertion hole of the press-fit fitting. The first and second rotation limiting surfaces are mutually superimposed in a press-fit state. A press-fit guide surface located on a central side of the inner shaft fitting to the first rotation limiting surface and having a width dimension greater than the first rotation limiting surface is axially outer of the first rotation limiting surface on the outer circumferential surface of the inner shaft fitting.
F16F 1/38 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
In a fluid-filled vibration damping device in which multiple fluid chambers filled with a magnetic functional fluid communicate with each other by an orifice path, and a magnetic unit applying a magnetic field to the orifice path is provided in a state of being externally inserted to an outer cylindrical member, the magnetic unit includes a magnetic field generation part forming a magnetic field and a magnetic path formation part inducing a magnetic flux, the magnetic field is applied from a magnetic gap part of the magnetic path formation part arranged on an outer circumference of the orifice path to the orifice path, and on an outer circumferential surface of the outer cylindrical member, an installation part to which an outer mounting member realizing linking between the outer cylindrical member and a vibration damping linking target member is installed is biased from the magnetic field generation part in an axial direction.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16F 13/30 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids
A sheet (1, 100) with a sensor comprises: a sensor device (3, 103a, 103b) disposed between a seat frame (11) and a surface (12b) opposite to a pressure reception surface of a seat cushion (12, 14, 110); and an elastic support member (4) which is interposed between the seat frame (11) and the sensor device (3, 103a, 103b) and which elastically supports the sensor device (3, 103a, 103b). The sensor device (3, 103a, 103b) comprises: a sensor body (42) having a detection surface (42a); and a housing (43) which houses the sensor body (42), has a window frame (62b) forming a window opening (62a), exposes the detection surface (42a) of the sensor body (42) through the window opening (62a), and is supported by the elastic support member (4). The elastic modulus of the elastic support member (4) is set greater than or equal to the elastic modulus of the seat cushion (12).
A sensor-equipped seat (1) is provided with a seating-surface seat cushion (10) that comprises: a first seating-surface seat cushion (12) having an accommodation recess (80); and a second seating-surface seat cushion (15) which is accommodated within the accommodation recess (80). Disposed between a first pressing surface (82b) of the accommodation recess (80) in the first seating-surface seat cushion (12) and a second pressing surface (15a) of the second seating-surface seat cushion (15) is a flexible sensor (3) that detects seating condition of a seated person or biological information of the seated person. The first seating-surface seat cushion (12) and the second seating-surface seat cushion (15) are pre-compressed in the lamination direction. Pre-compression is applied to the sensor (3) by compressive reactions of the first seating-surface seat cushion (12) and the second seating-surface seat cushion (15).
The present invention provides a vibration damping device that can inhibit component loosening and inhibit the occurrence of slipping with an even simpler configuration. This vibration damping device comprises: a plate-shaped first attachment member 30 that has a first fastening hole 34; a plate-shaped second attachment member 40 that has a stopper hole 44; a pair of rubber elastic bodies 20, 20 that connect the first attachment member 30 and the second attachment member 40 between facing surfaces on both end sides of said members; a stopper member 61 that has a second fastening hole 62; and a shaft member 50 that fastens the stopper member 61 to the first attachment member 30. A plurality of protrusions 52, 54 disposed at prescribed intervals in the circumferential direction are provided to a press-fit fixing section of the shaft member 50 and the first fastening hole 34 and second fastening hole 62. The shaft member 50 is fixed to the first attachment member 30 and the stopper member 61 by bringing the protrusions 52, 54 into contact with said members.
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
A liquid-filled vibration damping device including a main unit and a bracket, the main unit including first and second attachments connected by a rubber body, and a closure member locked to the second attachment from below with a seal member sandwiched therebetween to seal a liquid chamber. The second attachment includes a pair of metallic connectors inserted into a pair of metallic grooves of the bracket. The metal is exposed on lower faces of the connectors which are pressed against groove-inside lower faces of the grooves in metal-to-metal contact. Convex parts protruding downward are provided at far-side ends of the connectors while concave parts are provided on the grooves at locations corresponding to the convex parts. Detent engagers preventing dislodgment of the connectors inserted in the grooves are constituted in metal-to-metal contact by the convex parts entering the concave parts to be engaged.
An electrostatic transducer (1) includes: an insulator sheet (11); a first electrode sheet (12); a lead (30); a first bonding part (61), electrically bonding the first electrode sheet (12) with a core wire (30a) of the lead (30) in a first area (Pa) where the first electrode sheet (12) and the core wire (30a) of the lead (30) are disposed overlapping each other; and a second bonding part (62), bonding the insulator sheet (11) with a coating (30b) of the lead (30) in a second area (Pb) where the insulator sheet (11) and the coating (30b) of the lead (30) are disposed overlapping each other.
A soundproof cover which covers a target object is provided with: a sound absorbing sheet which is formed in a planar shape by means of a sound absorbing material and which covers the surface of the target object; and a reinforcing member which is disposed in a position engaging with engaged portions of the target object, and which positions the sound absorbing sheet with respect to the target object with at least a portion of the sound absorbing sheet exposed. The reinforcing member is provided with: a first reinforcing portion, which is an elongate member and which is disposed in a position engaging with a first engaged portion of the target object; and second reinforcing portions, which are elongate members and which are disposed in different positions to the first reinforcing portion.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
B32B 3/08 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
B32B 25/04 - Layered products essentially comprising natural or synthetic rubber comprising rubber as the main or only constituent of a layer, next to another layer of a specific substance
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 15/04 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
B60R 13/08 - Insulating elements, e.g. for sound insulation
63.
FUEL CELL ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME
A fuel cell assembly includes an electrode member that has a membrane electrode assembly having an electrolyte membrane and an electrode catalyst layer, and gas diffusion layers; a solid rubber gasket that is disposed in a frame shape on an outward side of the electrode member in a surface direction; and a bonding member that is disposed in a frame shape on the outward side of the electrode member in the surface direction, is bonded to the electrode member and the gasket, and integrates these. A form of bonding the bonding member to the electrode member is at least one of impregnation with the gas diffusion layers and bonding to the membrane electrode assembly. A thickness of the bonding member is equal to or larger than a thickness of the gas diffusion layer, and at least a portion on a surface of the bonding member is coated with the gasket.
A tubular antivibration device includes an inner axial member and an outer tubular member that are joined by an elastic rubber main body. The inner axial member is provided with a pair of groove-shaped recesses that open on the outer peripheral surface on both sides in the lateral direction and extend in the vertical direction, and the elastic rubber main body is integrally provided with a pair of upper and lower first elastic joining parts that join the vertically opposing surfaces of the inner axial member and the outer tubular member to each other on both sides in the vertical direction and a pair of left and right second elastic joining parts that join the vertically opposing surfaces of the outer tubular member to each other through the pair of groove-shaped recesses of the inner axial member.
F16F 1/38 - Springs made of material having high internal friction with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
A vibration damping device including a main unit including first and second attachments connected by a rubber body, the second attachment including metallic first and second connectors inserted into metallic first and second grooves of a bracket. The metal is exposed on outer and lower faces of the first connector to be in metal-to-metal contact with groove-inside bottom and lower faces of the first groove. An upper urging rubber on the first connector contacts a groove-inside upper face of the first groove. The metal is exposed on a lower face of the second connector to be in metal-to-metal contact with a groove-inside lower face of the second groove. Upper and outer urging rubbers on the second connector contact groove-inside upper and bottom faces of the second groove. Detent engagers between the connectors and the grooves prevent dislodgment of the connectors from the grooves.
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
A liquid-filled vibration damping device including a first and second attachment members elastically connected by a main rubber elastic body, and a liquid chamber sealed by a closure member attached to the second attachment member from below with a seal member interposed therebetween. The second attachment member and the closure member are attached to each other by connecting locks arranged in a circumferential direction. Each connecting lock includes a flexible locking piece projecting from one toward another of the second attachment member and the closure member while having a locking hole, and a locking claw formed on the other of the two members and hooked to the locking hole of the locking piece. The locking piece includes a guide groove extending linearly from the locking hole in a direction of projection to guide the locking claw into the locking hole.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
F16F 15/023 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using fluid means
A connector (1) comprises: a housing body (10); a pressing member (40); and an elastic film (30). The housing body (10) has a bottomed cylindrical first cylinder portion (11) having a first opening (P1), and a housing annular seat surface (21) provided, in the first cylinder portion (11), at a position near the end on the side opposite from the first opening (P1). The pressing member (40) has a pressing member annular seat surface (41) that has a cylindrical shape and is provided to the end on the opposite side from the opening (P1) in a state attached to the inside of the first cylinder portion (11). The elastic film (30) is sandwiched between the housing annular seat surface (21) and the pressing member annular seat surface (41), is a surface that receives pressure from a fluid flowing through the inside of the first cylinder portion (11), and deforms in a deflected manner in accordance with the pressure of the fluid flowing through the inside of the first cylinder portion (11).
F16L 55/04 - Devices damping pulsations or vibrations in fluids
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
F02M 55/00 - Fuel-injection apparatus characterised by their fuel conduits or their venting means
F02M 55/02 - Conduits between injection pumps and injectors
In the paper feeding roller, a shaft body has a cantilever structure supported at one end, and an elastic layer includes a supported end and a free end on both ends along a rotation axis, wherein an outer diameter of the free end in a cross section orthogonal to the rotational axis is greater than that of the supported end, and an area including the free end has a widened bottom part having an outer diameter which widens in a linear or inner convex manner approaching the free end along the rotation axis. The paper feeding device includes a feed roller rotationally driven and conveying paper, and a retard roller pressed against the feed roller, affixed with a torque limiter, and suppressing double feeding of paper. At least one of the feed roller and the retard roller is formed as the paper feeding roller.
This electrically conductive composition includes a thermoplastic elastomer and flaky graphite, the melt viscosity of the thermoplastic elastomer at 200° C. in a low-shear zone with a shear rate of 60 s−1 to 200 s−1 being 50 Pa·s to 1400 Pa·s, and the roundness of the flaky graphite being 0.5 or less. This method for producing a sheet-form flexible electrode has a kneading step for kneading expanded graphite and a thermoplastic elastomer having a melt viscosity of 50 Pa·s to 1400 Pa·s at 200° C. in a low-shear zone with a shear rate of 60 s−1 to 200 s−1 to produce the electrically conductive composition, and a molding step for molding the electrically conductive composition into the form of a sheet by injection molding or extrusion molding.
C08K 5/09 - Carboxylic acids; Metal salts thereof; Anhydrides thereof
H01M 4/60 - Selection of substances as active materials, active masses, active liquids of organic compounds
H01M 4/1399 - Processes of manufacture of electrodes based on electro-active polymers
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
G01N 27/30 - Electrodes, e.g. test electrodes; Half-cells
This seal member is a cured product of a silicone rubber composition that comprises a silicone rubber and silica particles, and has multiple insertion holes into which counterpart members are inserted; and this seal member satisfies the following conditions (a) to (d). (a) If X (parts by mass) is the content of the silica particles relative to 100 parts by mass of a base polymer of the silicone rubber, (elastic recovery rate (%))/(X (parts by mass)) is from 3.6 to 9.6. (b) The type A durometer hardness is from 15 to 30. (c) The tensile strength at break is 2.1 MPa or more. (d) The coefficient of kinetic friction of the surfaces of the insertion holes is 2.5 or less.
The disclosure provides a flexographic printing original plate which comprises an adhesive layer that exhibits excellent solvent resistance and excellent adhesion to a supporting body. The disclosure provides a flexographic printing original plate 10 which sequentially comprises, on a surface of a supporting body 12, an elastic layer 16 and an adhesive layer 14, wherein the supporting body 12 contains a polyester resin and the adhesive layer 14 contains the components (a), (b) and (c) described below. (a) a polyester resin (b) an isocyanate compound (c) a xylene resin which has a melting point or softening point of 100° C. or less.
B41N 1/12 - Printing plates or foils; Materials therefor non-metallic other than stone
B41F 5/24 - Rotary letterpress machines for flexographic printing
G03F 7/033 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
The present invention provides a paper feed roll in which it is easy to judge the service life of the roll. A paper feed roll 10 includes a shaft body 12 and an elastic body layer 14 formed on the outer circumferential surface of the shaft body 12. The outer diameter of the elastic body layer 14 is 10-50 mm, the outer circumferential surface of the elastic body layer 14 is provided with, in the circumferential direction, 1-8 grooves 16 extending in the axial direction, the grooves 16 have a constant groove width W in the depth direction or have a groove width W that gradually decreases in the depth direction, the groove width W of the grooves 16 is 0.2-1.0 mm, and the groove depth D of the grooves 16 is 0.2-1.0 mm.
This electrostatic transducer (1) comprises: a first insulator sheet (110) formed containing a thermoplastic elastomer; an electrode sheet (20) disposed on a first surface of the first insulator sheet (110); and a heater-and-shield wire (30) that is bonded to a second surface of the first insulator sheet (110) by fusing of the first insulator sheet (110) itself, and that doubles in function as a heater wire and a shield electrode wire.
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
An electrostatic transducer (1) comprises: a first electrical joint portion (81) for electrically joining a first electrode sheet (20) and a first core wire (40a) of a first lead wire (40); a first insulated joint portion (82) for joining an insulator sheet (10) and a first covering material (40b) of the first lead wire (40); a second electrical joint portion (91) for electrically joining a second electrode sheet (30) and a second core wire (50a) of a second lead wire (50); and a second insulated joint portion (92) for joining the insulator sheet (10) and a second covering material (50b) of the second lead wire (50). The first electrical joint portion (81) and the second electrical joint portion (91) are disposed spaced apart from one another in a surface direction of the insulator sheet (10), and the first insulated joint portion (82) and the second insulated joint portion (92) are disposed spaced apart from one another in the surface direction of the insulator sheet (10).
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
A conveying belt has a cylindrical base layer, and a surface layer that is formed on the outer peripheral surface of the base layer. The base layer contains polyimide or polyamide-imide, and has an elastic modulus from 3-7 GPa, inclusive. The surface layer is configured as a cured object from a resin composition that contains a fluororesin having a hydroxy group, an isocyanate curing agent, and a silicone copolymer. The silicone copolymer is a copolymer containing a silicone unit and another kind of unit not having a siloxane skeleton, has a hydroxy group, and contains siloxane units in a proportion of at least 95 mol% and less than 100 mol%, or from 40-70 mol%, inclusive. The silicone copolymer content in the resin composition is 1-5 parts by mass, inclusive, relative to a total 100 parts by mass of the fluororesin and the isocyanate curing agent.
The present invention provides: a charging roll for electrophotographic devices, the charging roll being suppressed in a crack in a surface layer due to a surface layer material; and a method for producing this charging roll for electrophotographic devices. A charging roll 10 for electrophotographic devices is provided with: a shaft 12; an elastic body layer 14 that is formed on the outer peripheral surface of the shaft 12; and a surface layer 16 that is formed on the outer peripheral surface of the elastic body layer 14. The surface layer 16 contains a binder polymer and metal oxide particles; and a part or the entirety of the surface of each of the metal oxide particles is covered by a fluorine-based anionic surface modification agent.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
77.
VIBRATION-DAMPING RUBBER COMPOSITION AND VIBRATION-DAMPING RUBBER MEMBER
Provided are a vibration-damping rubber composition and a vibration-damping rubber member which have excellent durability, can attain a reduction in dynamic-to-static modulus ratio, and can exhibit excellent scorch resistance in wet-heat environments, etc. This vibration-damping rubber composition comprises a diene-based rubber composition including the following (A) to (C) and further containing the following (D) and (E), wherein the total amount of (D) and (E) is 1-5 parts by mass per 100 parts by mass of (A) and the mass ratio between (D) and (E) is (D):(E) = 90:10 to 50:50. (A) A diene-based rubber. (B) Silica. (C) A silane coupling agent. (D) N-oxydiethylene-2-benzothiazolylsulfenamide. (E) Di-2-benzothiazolyl disulfide.
F16F 1/36 - Springs made of material having high internal friction
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
78.
VIBRATION-DAMPING RUBBER COMPOSITION AND VIBRATION-DAMPING RUBBER MEMBER
Provided are a vibration-damping rubber composition and a vibration-damping rubber member which have excellent durability, can attain a reduction in dynamic-to-static modulus ratio, and can exhibit excellent scorch resistance even in wet-heat environments, etc. This vibration-damping rubber composition comprises a diene-based rubber composition comprising the following (A) to (C). (A) A diene-based rubber. (B) Silica having a silanol group density of four groups per nm2or greater, a BET specific surface area of 13-60 m2/g, and an average particle diameter of 3-10 μm. (C) A silane coupling agent having a sulfide group and a mercapto group in the molecule.
F16F 1/36 - Springs made of material having high internal friction
F16F 15/08 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means with rubber springs
Provided is a vehicle seat capable of providing its coupling structure with a vibration reducing function at a low cost. One aspect of the present disclosure provides a vehicle seat including a cushion frame. The cushion frame includes a first member and a second member, and a coupling structure coupling the first and second members to each other. The coupling structure includes a first collar having a cylindrical shape and fixed to the first member, a second collar having a cylindrical shape and inserted in the first collar, a bolt inserted through the second collar, a first elastic element arranged between the first collar and the second member in an axial direction of the bolt, and a second elastic element held between the first and second collars in a radial direction of the bolt. The first collar has an inner diameter changing along an axial direction of the first collar.
A method for manufacturing a connector-integrated resin tube includes: a fitting step in which an end portion of a resin tube material including a straight tube portion is fitted into an end portion of a connector of a tubular shape; a joining step in which the end portion of the resin tube material and the end portion of the connector that have been fitted are joined by laser welding; a heating holding step in which a posture holding die including a bending processing portion for bending processing of the straight tube portion is used to hold the straight tube portion in a heated and bent state at the bending processing portion of the posture holding die; and a cooling step in which the straight tube portion is cooled.
A member for a fuel cell in which a lip 4b is directly fixed to the surface of a separator 5. In the member for a fuel cell, the lip 4b is a cross-linked body of a radically curable composition containing components (A) to (E) below at a specific ratio, and the glass transition temperature (Tg) of the cross-linked body is −30° C. or less. (A) (Meth)acrylic polymer having a (meth)acryloyl group at a molecular chain end. (B) Monofunctional (meth)acrylic monomer having a glass transition temperature (Tg) of 0° C. or more and having a polycyclic structure. (C) Monofunctional (meth)acrylic monomer except for component (B). (D) Polyfunctional (meth)acrylic monomer. (E) Radical polymerization initiator.
This fuel cell assembly (10) comprises: an electrode member (2) that has a membrane electrode assembly (20) having an electrolyte membrane and an electrode catalyst layer, and gas diffusion layers (21, 22); a gasket (30) made of solid rubber disposed in a frame form on the outside of the electrode member (2) in the surface direction; and an adhesive member (40) that has a thermoplastic polymer, is disposed in frame form on the outside of the electrode member (2) in the surface direction, and adheres the electrode member (2) and the gasket (30) to integrate the electrode member (2) and the gasket (30). The form of adhesion of the adhesive member (40) with respect to the electrode member (2) is at least one of impregnation to the gas diffusion layers (21, 22) and adhesion to the membrane electrode assembly (20). The adhesive member (40) covers at least the outer peripheral end face of the electrolyte membrane. The thickness of the adhesive member (40) is the same or greater than the thickness of the gas diffusion layer (21) disposed on one side of the membrane electrode assembly (20), and at least a portion of one side of the adhesive member (40) in the thickness direction is covered by the gasket (30).
The present invention provides a paper feed roll that inhibits conveyance failure even during long periods of use by suppressing unevenness in the surface of an elastic material layer when the elastic material layer is composed of two or more phases. A paper feed roll 10 according to the present invention is provided with a shaft body 12 and an elastic material layer 14 which is formed on the outer peripheral surface of the shaft body 12; the elastic material layer 14 comprises a first phase that contains an ethylene propylene diene rubber and a second phase that contains one of an isoprene rubber and a natural rubber; and the area ratio of the second phase is within the range of 30% to 70% in an any given 2.5 μm × 2.5 μm square area of the elastic material layer 14.
The present invention relates to an evaporated fuel adsorption device or canister (10), comprising a first chamber (100) and a second chamber (200) fluidly interconnected through a communication region (300), wherein the first chamber (100) comprises at least one first adsorbing sub-chamber (110) and at least one first stabilizing sub-chamber (140), and the second chamber (200) comprises at least one second adsorbing sub-chamber (230), at least one second stabilizing sub-chamber (260) and at least one tapered adsorbing sub-chamber (280), all fluidly connected to one another, in series. The present invention also relates to an evaporated fuel adsorption method, an evaporative emission control system and the use of such system.
B01D 53/04 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
Provided is an industrial hose in which high adhesion can be exhibited between a reinforcing wire layer and a rubber layer without impairing the physical properties of the rubber layer and without using any adhesive. The industrial hose comprises: an inner rubber layer 1 and an outer rubber layer 3, at least one of which is a layer made of a vulcanizate obtained from a diene-based rubber composition comprising the following (A) to (C) components and containing the (B) component in an amount of 5-30 parts by mass per 100 parts by mass of the (A) component; and a reinforcing wire layer 2 which comprises wire including copper. (A) A diene-based rubber. (B) Calcium carbonate having a BET specific surface area of 4.8 m2/g or greater. (C) Sulfur.
B32B 15/08 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin
Provided is a multilayer tube which is excellent in terms of strength, heat resistance, etc., exhibits excellent interlaminar adhesion without any adhesive, and after annealing, has satisfactory interlaminar adhesion. The multilayer tube comprises a tubular inner layer 11 and an outer layer 12 formed on the peripheral surface thereof, wherein the inner layer 11 is a layer of a maleic-anhydride-modified polypropylene resin containing organic particles having an average particle diameter of 0.1-10 μm, the outer layer 12 is a layer of a polyamide resin having an amine value of 15-100 mmol/kg, and the inner layer 11 has many protrusions due to the organic particles at the interface between the inner layer 11 and the outer layer 12.
Provided are a rubber composition for a vehicle coolant transport hose and a vehicle coolant transport hose obtained using the same that make it possible to solve various problems associated with increased coolant conductivity and clogging of filters of a vehicle coolant system, these problems having been observed in the past when a sulfur-vulcanized ethylene-propylene copolymer rubber composition was employed as a hose material. A sulfur-vulcanized rubber composition that contains an ethylene-propylene copolymer rubber (A) as the main component and a vulcanization accelerator (B) and that serves as the material of the innermost layer of a vehicle coolant transport hose, wherein the vulcanization accelerator (B) includes at least one vulcanization accelerator selected from the group consisting of (B-1) to (B-3) below in a specific proportion. (B-1) A dithiocarbamate vulcanization accelerator having a molecular weight of 380 or greater. (B-2) A thiuram vulcanization accelerator having a molecular weight of 380 or greater. (B-3) A sulfenamide vulcanization accelerator.
In a vibration damping device, a main rubber elastic body has a truncated cone shape and includes a recess open to a lower surface. A central axis of an inner member is arranged eccentric with respect to a central axis of an outer cylindrical member in an axis-perpendicular direction. The main rubber elastic body that connects the inner member and the outer cylindrical member has different free lengths on one side and the other side in an eccentric direction. A continuous rubber that covers a lower end of the inner member without exposing the lower end of the inner member to the recess and connects the main rubber elastic body on one side in the eccentric direction and the main rubber elastic body on the other side in the eccentric direction is integrally formed with the main rubber elastic body.
[Problem] To provide a protective cover for an axle spring which can cover an axle spring for a railway vehicle in a compact manner and which is unlikely deformed, is unlikely damaged, and unlikely falls off due to wind pressure. [Solution] A protective cover 1 which is attached to an axle spring 20 for a railway vehicle and which covers a lower-side outer surface of an elastic portion 23 in the attached state is uniformly formed into a tubular shape from a thin film material having elasticity and includes a bellows portion 4 that can be axially expanded and contracted. In the attached state, the protective cover 1 indirectly abuts against an inner cylinder 21 via a rubber layer 27A, directly abuts against an outer cylinder 22, and directly abuts against the elastic portion 23 at a position radially spaced apart from the abutment positions against the inner cylinder 21 and the outer cylinder 22.
F16F 1/41 - Springs made of material having high internal friction consisting of a stack of similar elements separated by non-elastic intermediate layers the spring consisting of generally conically arranged elements
F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
F16J 15/52 - Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
90.
DEVICE FOR SIMULATING VISCOELASTIC PROPERTY OF POLYMER COMPOSITE MATERIAL
NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM (Japan)
Inventor
Watanabe Naoki
Kasai Seiji
Yajima Takashi
Koyama Toshiyuki
Abstract
A device (1) for simulating the viscoelastic property of a polymer composite material in which a filler is dispersed in a matrix polymer is provided with: a storage unit (3) in which a simulation model (M) formed of a model of a parent phase (B) of the matrix polymer, a model of the filler (A), and a model of an interfacial phase (C) of the matrix polymer is stored; and an analysis unit (4) that solves a dynamic equilibrium equation when an oscillation strain (U(t)) is imparted to the simulation model (M), to analyze the storage modulus and the loss modulus of the polymer composite material. The model of the interfacial phase (C) defines a storage modulus and a loss modulus in the interfacial phase (C) using a phase field variable (x) for setting the ratio of a rubbery state and a glassy state of the matrix polymer.
A resin connector (10) includes a tubular connector main body portion (11) which is formed to contain a reinforcing filler in a main portion base material resin, and a tubular connector end portion (12) which is formed of a end portion base material resin without containing the reinforcing filler or containing the reinforcing filler at a lower proportion than the connector main body portion (11) and is joined to the connector main body portion (11) to constitute a tubular end portion. The resin tube (20) is formed of a material having a higher absorption rate of a laser beam than the connector end portion (12) and is fitted to the connector end portion (12) to be welded to an inner peripheral surface or an outer peripheral surface of the connector end portion (12) and not to be welded to the connector main body portion (11).
A rubber kneading method according to the present invention comprises: a first step for blending and kneading a raw material rubber of a reference lot and a secondary material at a specific compositional makeup to prepare a reference rubber composition and measuring a spring characteristic of a reference rubber crosslinked product which is obtained by crosslinking the reference rubber composition; a second step for blending and kneading a raw material rubber of a target lot and a secondary material at the same specific compositional makeup as in the first step to prepare a target rubber composition and measuring a spring characteristic of a target rubber crosslinked product which is obtained by crosslinking the target rubber composition; and a third step for comparing the spring characteristic of the target rubber crosslinked product with the spring characteristic of the reference rubber crosslinked product and setting a blending condition and/or a kneading condition to be employed when the raw material rubber of the target lot is to be kneaded at a product compositional makeup. Under the condition(s) set in the third step, the raw material rubber of the target lot is kneaded at the product compositional makeup to obtain a product rubber composition which has little variation in spring characteristic.
A method for kneading rubber has a first step of preparing a reference rubber composition and measuring a spring property of reference crosslinked rubber obtained by crosslinking the reference rubber composition, a second step of preparing a target rubber composition and measuring a spring property of target crosslinked rubber obtained by crosslinking the target rubber composition, and a third step of comparing the spring property of the target crosslinked rubber with the spring property of the reference crosslinked rubber to set one or more of a compounding condition and a squeezing condition that is adopted in the case of kneading the target lot of the raw rubber in a product composition.
The present invention solves problems inherent in surface pressure sensor sheets of conventional structures, such as a drop in detection accuracy under specific conditions. A surface pressure sensor sheet 12 comprises a plurality of detection units 68 having a shape which elastically deforms in response to pressure applied from outside, the detection units 68 each having a first electrode 24 and a second electrode 26 arranged opposing each other so as to electrically detect pressure. In at least one of the plurality of detection units 68, at least one of the first electrode 24 and the second electrode 26 is provided with a reinforcing material 84 that suppresses local deformations of the detection unit 68 and that is positioned on the outer surface side opposite the inner surface side where the first electrode 24 and the second electrode 26 oppose each other.
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
G01L 1/14 - Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
The present invention addresses the problem of providing, in a state ensuring high strength, a cover responsible for the protection and noise insulation of a crank pulley, auxiliary drive belt, etc., in a longitudinal engine in which a crankshaft is disposed facing toward the front of the vehicle body. This cover 30 includes a sound absorbing body 33 made of a material such as hard urethane, and a hard reinforcing body 34 in which the sound absorbing body is insert-molded, the cover being formed in a tray shape as a whole. Fastening parts 35-38 fixed to the engine by bolts are provided to outer ends of the reinforcing body 34. Since the pressing force from the bolts does not directly affect the sound absorbing body 33, high fastening strength can be achieved while ensuring a high protection function and sound insulation function.
A fluid-filled vibration damping device includes a switching valve arranged inside the fluid passage passing through a partition member to communicate with a main fluid chamber and a sub fluid chamber and protruding from one wall surface toward the other wall surface of the fluid passage that face each other. A gap is provided between the switching valve and the other wall surface. A tip end part of the switching valve abuts against the other wall surface through a tilt displacement in a swing manner of the switching valve in the passage length direction of the fluid passage to thereby form a switching mechanism for closing the gap. An elastically deformable fin-shaped protrusion protruding from the tip end part of the switching valve toward the other wall surface is provided. A leak passage is formed between a protruding tip end of the fin-shaped protrusion and the other wall surface.
F16F 13/10 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
Provided are a vibration-damping rubber composition and a vibration-damping rubber member which are capable of attaining all of high durability, inhibition of decrease in springiness, and insulating properties on a high level. The vibration-damping rubber composition comprises a polymer component comprising the following component (A) and further includes the following components (B)-(D), wherein the amounts of the component (B), the component (C), and the component (D) are 0.1-5 parts by mass, 10-40 parts by mass, and 10-30 parts by mass, respectively, per 100 parts by mass of the component (A) and the component (C) has a BET specific surface area of 18-40 m2/g. (A): A diene-based rubber. (B): A dihydrazide compound. (C): Carbon black. (D): Silica.
An elastic link comprising a first sleeve and a second sleeve. The first sleeve comprises a first elastic body, a first inner armature surrounded by the first elastic body, and a first outer armature surrounding the first elastic body. The second sleeve comprises a second elastic body, a second inner armature surrounded by the second elastic body, and a second outer armature surrounding the second elastic body. The first elastic body and the second elastic body presenting different elastic behaviors. This constitutes an improved elastic link.
Provided is a radical-curable sealing member for fuel cells that has excellent product durability and suppresses changes in mechanical characteristics caused by heat and hydrolysis (such as reduced stretch and increased hardness caused by embrittlement). A sealing member 4 is a crosslinked product of a radical-curable composition that contains components (A)–(E), there being 0.1–10 parts by mass of component (B) per 100 parts by mass of component (A). (A) A polymer for fuel cell sealing members that has a radical-curable functional group and also has at least one of a urethane linkage and an ester linkage in the molecular chain thereof. (B) A carbodiimide compound that has at least one functional group selected from the group that consists of ether groups, aliphatic hydrocarbon groups that have at least 3 carbons, and alicyclic hydrocarbon groups. (C) A monofunctional (meth)acrylic monomer. (D) A polyfunctional (meth)acrylic monomer. (E) A radical polymerization initiator.
This provision system comprises: a presentation unit that indicates to a user that if a sensor, which has a contact surface and measures a physical quantity indicating the degree of change in a surface contacted by the contact surface, comes into contact with the body surface of the user, said contact will be used as a condition that the user allows provision of the physical quantity to a third person other than the user; an estimation unit that estimates the state of contact between the sensor and the body surface on the basis of the physical quantity; and a provision unit that starts to provide the third person with the physical quantity on the basis of the result of estimating the contact state by the estimation unit.
