An estimation device detects, with a detection unit, an electrical property between plural detection points in a conductive flexible material. An estimation unit uses the flexible material and a learning model to estimate the shape of an estimation target object based on the electrical property of the flexible material. The learning model is trained to use as learning data an electrical property that changes in a time series in response to deformation of the flexible material and shape information representing shapes, in the flexible material, of pressure stimuli that impart deformation to the flexible material and to receive the electrical property as input and to output the shape information.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01B 7/28 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
2.
Processes For The Removal Of Rubber From Non-Hevea Plants
Provided herein are organic solvent-based processes for the removal of rubber from non-Hevea plants such as guayule shrubs. By the use of the processes, solid purified rubber can be obtained that contains 0.05-0.5 weight % dirt, 0.2-1.5 weight % ash, and 0.1-4 weight % resin (when it has been dried so as to contain 0.8 weight % volatile matter).
The present invention addresses the problem of providing: a crosslinked rubber in which the amount of metal oxide is reduced while also suppressing vulcanization reversion due to over-vulcanization; and a tire using said crosslinked rubber. Provided as a solution is a crosslinked rubber obtained by crosslinking a rubber composition that includes: a rubber component which includes not less than 65 mass% of a rubber that has an isoprene skeleton; a filler; at least one compound (A) selected from among quaternary ammonium salts, phosphates, guanidine-based compounds, sulfonium salts, and amine-based compounds; and a metal oxide. The filler is at least one selected from among carbon black and silica. The contained amount of silica is not less than 0 parts by mass but less than 20 parts by mass per 100 parts by mass of rubber component. The contained amount of the compound (A) is more than 0.5 parts by mass but not more than 2 parts by mass per 100 parts by mass of rubber component. The contained amount of metal oxide is not more than 4 parts by mass per 100 parts by mass of rubber component.
Provided is a technology for inhibiting the occurrence of uneven wear at shoulder-side edges of blocks in a motorcycle tire having a block pattern. A motorcycle tire (100) includes plural blocks (11) and (12) that are arranged on a tread ground-contact surface. In a tire widthwise cross-section of a tread portion (1), when regions obtained by bisecting a tread half-width region measured along the tire surface from a tire equator CL to a tread ground-contact end TE are each defined as a tread center portion Tc and a tread shoulder portion Ts, a middle block (12) among the plural blocks, whose outer wall surface (12A) on the tire width-direction outer side is positioned in the tread shoulder portion Ts, is configured such that an upper end portion is chamfered only for the outer wall surface (12A) and a chamfered part (12B) is thereby formed on the middle block (12).
This robot hand fingertip structure comprises: an elastic body that constitutes a robot hand fingertip portion; a mounting member that is inserted inside the elastic body and forms, on the cushion side of the finger, a gap between the mounting member and the inner surface of the elastic body; and a reception member which is provided on the tip portion of a finger main body of the robot hand and to which the mounting member is removably mounted.
A control device for a vehicle comprises: a communication section configured to receive first information from a sensor installed at a tire, and receive second information from a sensor installed at a vehicle body; and a controller configured to estimate a wheel load from the first information, estimate a vehicle weight from the second information, and control the vehicle based on one of the wheel load and the vehicle weight.
A metal-rubber composite, comprising a metal and a rubber of which at least a portion is adhered to the metal, the composite is characterized in that: a ratio (C1/C2) of the total concentration (C1) of at least one metal element selected from the group consisting of bismuth, copper, antimony, silver, niobium, molybdenum, zirconium, and nickel in a region within 100 nm measured from an adhesion interface of the metal and the rubber toward the rubber side, with respect to the total concentration (C2) of at least one metal element selected from the group consisting of bismuth, copper, antimony, silver, niobium, molybdenum, zirconium, and nickel in a region between the 100 nm depth and the 200 nm depth, measured from the adhesion interface toward the rubber side, is 7.0 or larger.
B62D 55/24 - Tracks of continuously-flexible type, e.g. rubber belts
B65G 15/36 - Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
This robot hand fingertip structure comprises: an elastic body that constitutes a robot hand fingertip portion and has a cavity on the cushion side of the finger; an embedded member that is embedded in a portion opposite to the cavity of the elastic body; and a fixing member that is mounted on a finger main body of the robot hand and is removably mounted on the embedded member to fix the elastic body to the finger main body.
A method for forming a polymer-filler composite having advantageous bound filler content, the method comprising (a) providing a guayule cement; (b) introducing particulate filler to the guayule cement to form a solution masterbatch; and (c) desolventizing the solution masterbatch to form a polymer-filler composite.
A tire T01 comprises an RF tag 10, wherein the RF tag has a communication structure section 51 and a tag covering rubber section 50 that covers the communication structure section, the communication structure section comprises an antenna 2 and an exterior body 3 that accommodates a portion of the antenna, the exterior body has a side section recess 35 that is defined inside the exterior body, and a side end opening 36 that communicates with the side section recess and is formed on a side end edge of the exterior body, the antenna extends to the outside of the exterior body through the side section recess and the side end opening, and the tag covering rubber section is not completely filled in the side section recess.
This robot hand comprises: a cylindrical root actuator in which one side of the cylinder circumference is contracted and bent in a cylindrical axis direction through an increase in inner pressure in a cylinder; a frame member that is disposed in the cylindrical axis direction of the root actuator to support the root actuator, and that has an expansion/contraction part which expands and contracts following bending deformation of the root actuator; and a plurality of cylindrical finger actuators which are attached apart from each other in the extending direction of the root actuator so as to each be fixed to the frame member at one end and to each have the other end as a free end in such a manner as to extend in a direction intersecting the cylindrical axis and, in each of which, one side of the cylinder circumference is contracted and bent in the cylindrical axis direction through an increase in inner pressure in a cylinder.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
B25J 15/10 - Gripping heads having finger members with three or more finger members
B25J 15/12 - Gripping heads having finger members with flexible finger members
12.
STEEL WIRE MANUFACTURING METHOD AND STEEL CORD MANUFACTURING METHOD
Provided are a method for manufacturing a steel wire and a method for manufacturing a steel cord, in which initial adhesion to rubber and resistance to deterioration are excellent in steps that have low environmental impact. A steel wire and a steel cord manufactured according to these manufacturing methods are provided. The method for manufacturing a steel wire includes a step of applying brass plating to the circumferential surface of a steel wire, and then applying a wire drawing process, and a step of washing the surface of the steel wire after the wire drawing process with an aqueous solution containing an alkaline earth metal as a salt.
This robot hand comprises: a root actuator contracting in a cylinder axis direction; a frame member which extends in the cylinder axis direction and to which the root actuator is fixed; and a plurality cylindrical finger actuators which are attached to be spaced apart from each other in the cylinder axis direction of the root actuator so that one-side ends of the finger actuators are fixed to the frame member and the other-side ends serve as free ends, the finger actuators being curved toward one side in the arrow direction in response to an increase in the internal pressure of a cylinder. The frame member, in which a neutral line that maintains the distance between one end fixing section and the other end fixing section in the cylinder axis direction, and the cylinder axis of the root actuator are aligned side by side in an offset state, is curved and deformed according to contraction of the root actuator toward a bending direction where the inside is the opposite side to the neutral line with the cylinder axis of the root actuator therebetween.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
B25J 15/12 - Gripping heads having finger members with flexible finger members
A robot hand according to the present invention comprises: a cylindrical base actuator in which one side of the cylindrical periphery thereof contracts and curves in a cylinder axis direction in accordance with an increase in internal pressure inside the cylinder; a frame member that has a plurality of support members that support the base actuator and are individually separated along the cylinder axis direction of the base actuator, with adjacent support members moving relative to each other so as to form an angle following curved deformation of the base actuator; and a plurality of cylindrical finger actuators that are attached so as to be spaced apart in the extension direction of the base actuator such that one end of each finger actuator is fixed to the frame member and the other end is a free end, and are configured such that one side of the cylindrical periphery thereof contracts and curves in the cylinder axis direction in accordance with an increase in internal pressure inside the cylinder.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
B25J 15/10 - Gripping heads having finger members with three or more finger members
B25J 15/12 - Gripping heads having finger members with flexible finger members
A pneumatic tire according to the present invention comprises a tire main body including a tire side portion with an outer face constituted by a side-covering rubber, and a communication device embedded in the tire side portion of the tire main body. If a region in which the communication device is positioned in a tire radial direction and a tire circumferential direction of the tire side portion is defined as a device region, the outer face of the tire side portion protrudes in the device region, and the thickness of the side covering rubber is thinner in the device region than around the device region.
A pneumatic tire according to the present invention includes a tire main body, and a communication device that is embedded in the tire main body, or is attached to an inner face of the tire main body. The communication device includes a flat antenna, and the communication device is disposed such that an antenna in-plane direction that is orthogonal to a thickness direction of the flat antenna follows an outer face of the tire main body.
This tire model creation device comprises: a modeling unit that separately models both a case and a pattern representing a patterned tire using a spline function; a surface-connecting unit that connects a surface of a case model that is a model of the case and a surface of a pattern model that is a model of the pattern; a calculation point arrangement unit that arranges, on a connecting surface of the case model surface and the pattern model surface, calculation points for calculating a restoring force of the connecting surface; and a restoring force calculation unit that calculates the restoring force on the basis of the arranged calculation points.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer programs and software for managing information of
tires and vehicles. Inspection, consultancy and information services relating to
repair and maintenance of tires and vehicles; inspection,
consultancy and information services relating to retread of
tires. Providing computer programs for managing information of
tires and vehicles; technological analysis and consultancy
related to the choice, condition, maintenance, retreading
and replacement of vehicle tires; technological analysis and
consultancy related to the choice, condition, maintenance
and replacement of vehicle component parts, spare parts and
accessories.
19.
ROAD SURFACE CONDITION DETERMINATION DEVICE AND CONTROL DEVICE
A road surface condition determination device (10) determines a condition of a road surface on which a vehicle is traveling, the road surface condition determination device comprising: a data acquisition unit (131) that acquires sound data collected by a data collection unit mounted to the vehicle and containing information relating to reflected sound of sound generated by the vehicle; and a determination unit (132) that determines the condition of the road surface on the basis of the presence or absence of a peak in a predetermined frequency range in the acquired sound data.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
21.
LAMINATE, METHOD FOR MANUFACTURING LAMINATE, AND TIRE
The present invention addresses the problem of providing a laminate having exceptional joining strength. As a solution to this problem, the present invention provides a laminate (1) comprising a rubber layer (2) that comprises vulcanized rubber, and a resin layer (3), the rubber layer (2) and the resin layer (3) being joined together, and the laminate being characterized in that the rubber layer (2) includes a surface-treated layer (4) on the surface that is joined to the resin layer (3), and the surface of the resin layer (3) that is joined to the rubber layer (2) is such that the ratio ((height of peak derived from (010) plane)/(height of peak derived from (100) plane)) of the height of a peak derived from a (010) plane in X-ray diffraction and the height of a peak derived from a (100) plane in X-ray diffraction is 1.1 or greater.
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 25/14 - Layered products essentially comprising natural or synthetic rubber comprising copolymers in which synthetic rubber constituents predominate
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer programs and software for managing information of
tires and vehicles. Inspection, consultancy and information services relating to
repair and maintenance of tires and vehicles; inspection,
consultancy and information services relating to retread of
tires. Providing computer programs for managing information of
tires and vehicles; technological analysis and consultancy
related to the choice, condition, maintenance, retreading
and replacement of vehicle tires; technological analysis and
consultancy related to the choice, condition, maintenance
and replacement of vehicle component parts, spare parts and
accessories.
23.
TIRE TRANSPORT MACHINE AND TIRE TRANSPORT MACHINE CONTROL METHOD
This tire transport machine comprises: a reading unit; a positioning unit; an output unit; and a control unit. The control unit is configured to: read, via the reading unit, tire identification information from an electronic tag placed on a tire to be transported by the tire transport machine; generate, via the positioning unit, position information about a location at which transport of the tire ended; and output, via the output unit, the tire identification information in association with the position information.
A tire information display system according to the present disclosure includes a reading device, a two-dimensional code generation device, and a two-dimensional code display device, wherein: the reading device is configured to read tire information from an electronic tag installed on a tire, and transmit the tire information to the two-dimensional code generation device; the two-dimensional code generation device is configured to generate a two-dimensional code from the tire information and transmit the two-dimensional code to the two-dimensional code display device; and the two-dimensional code display device is configured to display the two-dimensional code.
G06K 19/06 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
G06K 7/10 - Methods or arrangements for sensing record carriers by corpuscular radiation
Provided is a sulfur recycle system employing biomass and constructed industrially applicably. The sulfur recycle system, which employs biomass, is characterized by comprising: a desulfurization step in which biomass or treated biomass is desulfurized to remove sulfur-containing substances from the biomass or treated biomass; a recovery step in which sulfur is recovered from the desulfurization residue yielded in the desulfurization step; a processing step in which the recovered sulfur is processed into sulfur for vulcanization; a kneading step in which the sulfur for vulcanization is kneaded together with a polymer having double bonds; and a vulcanization step in which the polymer having double bonds is vulcanized.
This actuator curved inner length measurement device is for a fluid pressure actuator which includes a cylindrical actuator body part 22 that shortens and curves on one side of the cylinder circumference due to an increase in the internal pressure within the cylinder. In the actuator, the base end of a cylinder shaft is fixed to a base body and the leading end moves relative to the base body. The actuator curved inner length measurement device comprises: a wire member, one end of which is attached to the base body and an intermediate section of which is disposed on the curved side of the actuator body part so as to follow the bending deformation; a wire-holding member that holds the wire member in a position along the actuator body part; and a measurement unit that applies tension to the wire member and measures an amount of change in the length of the wire member.
G01B 5/02 - Measuring arrangements characterised by the use of mechanical techniques for measuring length, width, or thickness
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
27.
USE OF THIOL-FUNCTIONALIZED EPDM IN RUBBER COMPOSITIONS
Inclusion of a thiol-functionalized EPDM in a rubber composition provides to the EPDM an enhanced affinity for carbon black fillers. Relatively small amounts of sue thiol-functionalized EPDM in a rubber composition that includes at least one polymer which includes ethylenic unsaturation permits better dispersion of such fillers, resulting in vulcanizates that have improved performance properties, specifically, simultaneous improvements in hysteresis and resistance to crack growth.
The present invention addresses the problem of providing an organic fiber cord that can reduce environmental impact while maintaining physical properties at high temperatures. The solution to this problem is a hybrid cord containing at least two types of polyamide fibers, the hybrid cord being characterized in that at least one type of polyamide fiber among the polyamide fibers contains a component derived from biomass, and the average amide density of the hybrid cord is 10.5 or greater.
A sipe blade for molding a sipe, which is provided in a tire molding mold for molding a tire, the sipe blade being formed by overlapping a plurality of members that are made of a rolled material and that are individually formed to have a constant thickness.
A sipe blade which is implanted in a base mold and which molds a sipe in a tire is provided with a first blade molded by pressing a plate member and a second blade having a thickness greater than a thickness of the first blade. The second blade is provided with a contact portion which extends along an outer periphery of the first blade implanted in the base mold and with which one molding surface of the first blade comes in contact along a peripheral edge portion of the first blade, or provided with a fitting portion which accommodates the peripheral edge portion of the first blade and with which both molding surfaces of the first blade come in contact.
This pneumatic tire is equipped with a carcass comprising at least one carcass ply and extending toroidally between a pair of beads, wherein the carcass ply is one obtained by covering radially arranged carcass cords with a rubber. The pneumatic tire is equipped with a communication device including an antenna. The antenna has a portion where the wire extends while being repeatedly turned back at vertexes in directions orthogonal to the extending direction to form an arrangement of repetitions of a given shape along the extending direction, at least one of the vertexes being present at a position where the wire does not cross any of the carcass cords when viewed from a direction orthogonal to the surface of the pneumatic tire.
The present invention addresses the problem of providing a cord which can reduce an environmental load while maintaining physical properties at a high temperature. To solve the problem, provided is a hybrid cord characterized by containing a polyamide 4,10 fiber and a fiber A having an elongation at break of at most 7%.
The present invention addresses the problem of providing an organic fiber cord capable of reducing environmental impact while maintaining physical properties at high temperatures. The solution is a polyamide fiber cord, wherein the total content of biomass-derived carbon (bio-conversion rate) in the cord is at least 15%, and the heat shrinkage rate of the cord is 9.0% or less.
The pneumatic tire for passenger vehicles according to the present disclosure comprises a carcass consisting of plies of radially arranged cords, spanning toroidally between a pair of bead portions; the cross-sectional width SW and the outer diameter OD of the tire satisfy a given relationship; the land portion has a plurality of width direction sipes extending in the tire width direction; the pitch length in the tire circumferential direction of the plurality of width direction sipes is 3 mm to 10 mm; and the width direction sipe has a widened portion on the sipe bottom side where the sipe width is larger than that on the tread surface side.
Disclosed herein are a modified guayule resin product and related processes for preparing the modified guayule resin product. The modified guayule resin product comprises a mixture of argentatins having at least one functional group, wherein the at least one functional group is provided by a functionalizing compound selected from alkoxysilanes, mercaptosilanes and blocked mercaptosilanes. In a second embodiment, a process for preparing a modified guayule resin product is provided whereby a guayule resin component (comprising a mixture of argentatins) is mixed with a functionalizing compound selected from alkoxysilanes, mercaptosilanes and blocked mercaptosilanes to produce a modified guayule resin comprising functionalized argentatins having at least one functional group provided by the functionalizing compound.
Provided is an energy consumption estimation device (10) for estimating energy consumption of a vehicle (20), the energy consumption estimation device comprising a model generation unit (131) that generates a model for obtaining an objective variable from an explanatory variable. The model is a multiple regression model that includes the energy consumption of the vehicle as an objective variable, and includes vehicle travel information, vehicle load information, and vehicle tire information as explanatory variables. The model generation unit calculates a first coefficient associated with the vehicle tire information, using vehicle performance data indicating the objective variable with respect to the explanatory variables.
A tire state monitoring system comprises an acquisition device and a control device. The acquisition device is configured to repeatedly acquire a pressure and temperature inside a tire. The control device is configured to: calculate, based on ratios between the pressure and temperature acquired in a first period, a representative value of the ratios in the first period; and compare a ratio between the pressure and temperature acquired in a second period after the first period with the representative value, to determine whether the pressure inside the tire has dropped.
Provided with a tire temperature prediction unit 102 configured to calculate a predicted tire temperature at a specific time point based on a history of operation information of a vehicle (V1, etc.) mounted with tires (10a, etc.); a temperature tolerance calculation unit 104 configured to calculate a temperature tolerance at the specific time point; a determination unit 106 configured to determine whether or not the temperature tolerance is within a preset tolerance range; an information generation unit 202 configured to generate vehicle operation change information which changes operation of the vehicle when the determination unit 106 determines that the temperature tolerance is within the tolerance range; and a communication unit 201 configured to transmit the generated vehicle operation change information to the vehicle or to an external system 300 which manages the operation of the vehicle.
G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
G07C 5/04 - Registering or indicating driving, working, idle, or waiting time only using counting means or digital clocks
The present disclosure aims at providing an EPDM-containing rubber composition capable of exhibiting excellent adhesion to a metal member without necessitating inclusion of a cobalt salt of organic acid therein. Specifically, a rubber composition includes therein: a rubber component containing ≥20 phr of EPDM; a rubber-metal adhesion promoter; a vulcanization accelerator other than a thiuram-based compound; and no thiuram-based vulcanization accelerator, wherein the rubber-metal adhesion promoter contains a specifically formulated metal salt of aliphatic carboxylic acid.
Disclosed herein are methods for improving the rolling resistance of a tire rubber composition by providing a rubber composition including a rubber component which includes a majority by weight of guayule rubber where the guayule rubber includes a bagasse component, and a filler component where the filler component is free of silica, and including at least one silane in the rubber composition, where the at least one silane is selected from the group consisting of mercaptosilanes, blocked mercaptosilanes, and alkoxysilanes. Also disclosed is a tire rubber composition which comprises (a) 100 parts of a rubber component including a majority by weight of guayule rubber where the guayule rubber includes a bagasse component, (b) a filler component, where the filler component is free of silica, and (c) at least one silane selected from the group consisting of mercaptosilanes, blocked mercaptosilanes, and alkoxysilanes.
A rubber crawler 1 includes an endless crawler body 12 made of rubber, and a plurality of cores 13 embedded in the crawler body and arranged along the crawler circumferential direction, where at least a first projection on the crawler width direction first side in a pair of first projections of each core has a first recess R1 on a surface facing a second projection of another core of the surfaces on the two sides in the crawler width direction.
This pneumatic radial tire for a passenger vehicle is configured so that a tire cross-section width SW and a tire outer diameter OD satisfy a prescribed relationship. The carcass includes: a first tire width-direction section in which carcass cords are arrayed in the radial direction; and a second tire width-direction section in which the carcass cords extend inclined with respect to the tire circumferential direction. The second tire width-direction section is located in the tire width-direction half on the outer side of the tire when the same is mounted on the vehicle. Belt cords and carcass cords of a carcass body in the second tire width-direction section extend in directions intersecting one other as viewed from the tire radial-direction outer side.
B60C 9/07 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords curve from bead to bead in plural planes, e.g. S-shaped cords
B60C 5/00 - Inflatable pneumatic tyres or inner tubes
B60C 9/08 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply
B60C 9/17 - Carcasses asymmetric to the midcircumferential plane of the tyre
This pneumatic radial tire for passenger cars satisfies a given relationship between the cross-sectional width SW of the tire and the outer diameter OD of the tire, and the end of one tire-width-direction half of the carcass located on the inner side when the tire has been installed in a vehicle (the end of the carcass turned-back portion when the tire has a carcass turned-back portion) is located further toward the tire-radial-direction inside than the end of the carcass turned-back portion of the other tire-width-direction half, which is located on the outer side when the tire has been installed in the vehicle.
A pneumatic tire according to the present invention is provided with a carcass that comprises one or more carcass plies and that toroidally spans between a pair of bead sections. The carcass plies are formed by covering, with rubber, carcass cords that are arrayed in a radial configuration. The pneumatic tire is provided with a communication device having an antenna. The antenna has a portion in which a prescribed form is repeatedly arrayed at a pitch distance A (mm) in the extension direction of the antenna while reciprocating along a direction orthogonal to the extension direction. The carcass cords are arrayed at a pitch distance P (mm) in the tire circumferential direction at a tire radial direction position where the communication device is provided. The pitch distance A (mm) is greater than the pitch distance P (mm).
Provided is a desulfurized rubber capable of producing a crosslinked rubber having an excellent mechanical strength. The desulfurized rubber contains a solvent-soluble rubber component A having a weight-average molecular weight of more than 260,000 and less than 600,000, and a solvent-insoluble rubber component B, wherein the content ratio of the rubber component B is less than 45% by mass of the total mass of the content a of the rubber component A and the content b of the rubber component B.
The run flat tire according to this disclosure comprises a tread portion, sidewall portions, bead portions, a side-reinforcing rubber, and a carcass. An inner liner is provided on the tire inner surface, and an inner layer rubber is disposed between the side-reinforcing rubber and the inner liner. In accordance with JIS K6270, when the dumbbell-shaped No. 8 specimens having 1 mm notch in a direction perpendicular to the direction of repeated tension at the center thereof are subjected to repeated tension at a frequency of 10 Hz under the conditions of 150° C., the number of repetitions until the specimen of the inner layer rubber fails is, in the range of 10% to 30% of the tensile strain applied, at least twice that of the side-reinforcing rubber, and in the reference condition, the ratio t2/t1 is 0.05 to 0.30.
B60C 17/00 - Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
B60C 17/06 - Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
The present invention provides a pneumatic radial tire for a passenger vehicle, wherein the cross-sectional width SW of the tire and the outer diameter OD of the tire satisfy a predetermined relationship, and a layered section arranged on the outer side of a belt in the tire radial direction and covering at least an end of the belt is provided only in one half in the tire width direction.
B60C 9/30 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers asymmetric to the midcircumferential plane of the tyre
B60C 3/04 - Tyres characterised by transverse section characterised by the relative dimensions of the section, e.g. low profile
B60C 9/07 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords curve from bead to bead in plural planes, e.g. S-shaped cords
B60C 9/17 - Carcasses asymmetric to the midcircumferential plane of the tyre
B60C 9/22 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
This pneumatic radial tire for passenger cars satisfies a given relationship between the cross-sectional width SW of the tire and the outer diameter OD of the tire, and the carcass has a first tire-width-direction portion, in which the carcass cords have been radially arranged, and a second tire-width-direction portion, in which the carcass cords extend obliquely to the tire circumferential direction. The second tire-width-direction portion is located in a tire-width-direction half that is on the inner side when the tire has been installed in a vehicle. In the second tire-width-direction portion, the carcass cords of the carcass main body and belt cords extend in such a direction that the carcass cords cross the belt cords when viewed from the outside along the tire radial direction.
B60C 9/17 - Carcasses asymmetric to the midcircumferential plane of the tyre
B60C 5/00 - Inflatable pneumatic tyres or inner tubes
B60C 9/07 - Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords curve from bead to bead in plural planes, e.g. S-shaped cords
The pneumatic tire for passenger vehicles according to the present disclosure comprises a carcass consisting of plies of radially arranged cords, spanning toroidally between a pair of bead portions; the cross-sectional width SW and the outer diameter OD of the tire satisfy a given relationship; the tire has a tread portion with tread rubber; the rubber gauge of the tread portion is 2 mm or more and less than 5 mm; and the tread surface of the tread portion has one or more land portions, and a width direction sipe extending in the tire width direction is formed in the land portion so that there are two or more of the width direction sipes in the contact patch.
In various embodiments, methods for extracting various constituents from Parthenium argentatum resin are disclosed. The methods begin with a nonpolar resin solution that is manipulated by polar solvent and water additions to precipitate low MW isoprene rubber and form separable aqueous polar and nonpolar liquid fractions, wherein the aqueous polar liquid fraction is rich in argentatins and the nonpolar liquid fraction is rich in guayulins. In other variations, an aqueous polar solvent is added to the nonpolar resin solution to directly produce a two-phase system. The extraction methods can be fully automated by using a continuous countercurrent liquid/liquid extractor.
The pneumatic radial tire for passenger vehicles according to the present disclosure comprises a carcass consisting of plies of radially arranged cords, spanning toroidally between a pair of bead portions; the cross-sectional width SW and the outer diameter OD of the tire satisfy a given relationship; the tire has a tread portion with tread rubber; the rubber gauge of the tread rubber is 2 mm or more and less than 5 mm; and the negative ratio of the tread surface of the tread portion is 20% or less.
In a bead core, metal cords are accumulated and formed in plural columns and plural columns, and the row direction length is formed greater than the column direction length; the metal cords are set in two or more columns from the third row of the metal cords on as counted from a tire radial direction outer end inward in the tire radial direction and excepting a tire radial direction innermost end; a length dimension of the bead core is set equal to or greater than twice a maximum width dimension of the bead core; the centroid of the bead core is positioned on the tire radial direction inner end side of the bead core relative to the lengthwise direction center portion of the bead core; a maximum width portion of the bead core is positioned from the second row of the metal cords on as counted from the tire radial direction inner end of the bead core outward in the tire radial direction; and the maximum width portion of the bead core is positioned from the second row of the metal cords on as counted from the tire radial direction outer end of the bead core inward in the tire radial direction.
An elastic crawler includes a plurality of elastic protrusion portions formed in a manner protruding on an inner circumferential face of a crawler main body, which is made of an elastic material and formed in an endless belt shape, at regular intervals in a crawler circumferential direction, and a resin cover member made of a resin material and covering a surface of each elastic protrusion portion, and the resin cover member covers the elastic protrusion portion to form a guide protrusion. In the elastic crawler, the resin cover member of the guide protrusion is put on the elastic protrusion portion to cover the surface of the elastic protrusion portion except a root portion 13r, and a reinforcing fiber part is embedded at least in the root portion of the elastic protrusion portion along a side face of the elastic protrusion portion.
The present invention addresses the problem of providing an adhesive composition which can ensure desired adhesiveness without using resorcinol and retains intact applicability during use. The adhesive composition is characterized by comprising (A) a rubber latex having an unsaturated diene, (B) a compound containing an amide group and an amino group in the molecule, and (C) a water-compatible compound having a (heat-dissociable blocked) isocyanate group. Preferably, the adhesive composition further contains (D) a water-compatible ingredient having a plurality of phenolic hydroxy groups in the molecule and (E) one or more ingredients selected from the group consisting of polyvalent-metal salts.
D06M 13/152 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen having a hydroxy group bound to a carbon atom of a six-membered aromatic ring
The method for producing a tire is for obtaining a tire with an electronic device 6 attached to a tire side part and is characterized by including an electronic device placement step that uses a lower mold 32 and an upper mold 33 as a mold 31 for vulcanizing a green tire 20 and places an electronic device 6 on at least one of the lower mold 32, the upper mold 33, near the tire outer surface 20o of a tire side part 28 on a side that contacts the lower mold 32 of the green tire 20, and the tire outer surface 20o of a tire side part 28 on a side that contacts the upper mold 33 of the green tire 20, and a vulcanization step that sets the green tire 20 in the mold 31 and vulcanizes the green tire 20.
B29C 33/02 - 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 heating or cooling means
B29C 33/12 - 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
B29C 35/02 - Heating or curing, e.g. crosslinking or vulcanising
Provided is a method for vulcanizing a tire rubber laminate whereby it is possible to uniformly vulcanize, by microwave irradiation, a tire rubber laminate in which an unvulcanized rubber layer and a vulcanized rubber layer are laminated. This method for vulcanizing a tire rubber laminate vulcanizes, by microwave irradiation, a tire rubber laminate in which an unvulcanized rubber layer and a vulcanized rubber layer are laminated, the method characterized in that the unvulcanized rubber layer contains diene-based rubber and carbon black, the vulcanized rubber layer contains diene-based rubber and carbon block, and a step is included for changing, during vulcanization, the frequency of the microwaves with which the tire rubber laminate is irradiated by a frequency change width selected from the range of greater than 0 Hz but less than or equal to 1000 Hz with each passing of a time interval selected from the range of greater than 0 μsec but less than or equal to 100 μsec, within a prescribed frequency range.
Provided is a method for vulcanizing a tire rubber composition that is capable of vulcanizing a tire rubber composition uniformly by microwave irradiation and intends to improve rubber strength. A method for vulcanizing a tire rubber composition that vulcanizes a tire rubber composition by microwave irradiation, wherein the method for vulcanizing a tire rubber composition is characterized in that the tire rubber composition contains a diene rubber and carbon black, the carbon black includes carbon black A having a nitrogen adsorption specific surface area of 50 m2/g or more, and the frequency of the microwaves with which the tire rubber composition is irradiated is varied by a frequency equal to a frequency variation width selected from a range of more than 0 Hz to 1000 Hz every time a time interval selected from a range of more than 0 μsec to 100 μsec elapses during vulcanization.
Provided is a vulcanization method capable of uniformly vulcanizing a rubber composition by microwave irradiation. The present invention is a vulcanization method for vulcanizing a rubber composition that contains a diene rubber and carbon black by irradiation with microwaves, said vulcanization method being characterized in that the frequency of the microwaves irradiating the rubber composition is changed by only a frequency width selected from the range of more than 0 Hz but not more than 1000 Hz each time a time interval selected from the range of more than 0 μsec but not more than 100 μsec elapses.
A rubber composition, contains a rubber component, a filler, and a resin, wherein: the rubber component contains natural rubber, a high-Tg modified styrene-butadiene rubber, and a low-Tg modified styrene-butadiene rubber having a lower glass transition temperature (Tg) than the high-Tg modified styrene-butadiene rubber; both ends of the high-Tg modified styrene-butadiene rubber have been modified and at least one end thereof has been modified with an alkoxysilane; one end of the low-Tg modified styrene-butadiene rubber has been modified with an alkoxysilane; and a mass ratio of the high-Tg modified styrene-butadiene rubber (high-Tg modified SBR) content with respect to the low-Tg modified styrene-butadiene rubber (low-Tg modified SBR) content, i.e., high-Tg modified SBR content/low-Tg modified SBR content, is larger than 1.
Provided is a pneumatic tire including: a pair of bead cores embedded in a pair of bead portions; and a carcass including one or more carcass plies extending in a toroidal form between the pair of bead cores, wherein bead fillers are disposed on an outer side in a tire radial direction of the bead cores, rubber chafers are provided on an outer side in a tire width direction of the bead fillers, and when a storage modulus of the bead fillers is E1′, and a storage modulus of the rubber chafers is E2′, the ratio E2′/E1′ satisfies 0.4≤E2′/E1′≤1.
A functionalized macromolecule includes a hydrogenated interpolymer portion, a non-hydrogenated polymer portion, and the radical of a functional coupling agent covalently bonded to and linking those portions. The functional group of the coupling agent exhibits interactivity with silica. The interpolymer can include vinyl aromatic mer and conjugated diene mer, with at least some of the latter, typically at least 50 mole percent, having been hydrogenated.
Provided is a method of vulcanizing a rubber laminate for a tire in which a rubber laminate for a tire obtained by laminating an unvulcanized rubber layer and a vulcanized rubber layer is uniformly vulcanized by microwave irradiation, which makes it possible to improve rubber strength. This method for vulcanizing a rubber laminate for a tire, in which a rubber laminate for a tire is obtained by laminating an unvulcanized rubber layer and a vulcanized rubber layer is vulcanized by microwave irradiation, is characterized in that the unvulcanized rubber layer contains a diene rubber and carbon black, the vulcanized rubber layer contains a diene rubber and silica, the amount of the silica in the vulcanized rubber layer is 10 parts by mass or more per 100 parts by mass of the diene rubber, and during vulcanization, the frequency of the microwaves irradiated onto the rubber laminate for a tire is varied within a range of frequency variation selected from the range of greater than 0 Hz and at most 1,000 Hz each time a time interval selected from the range of greater than 0 μsec and at most 100 μsec elapses.
Provided is a pneumatic tire including: a pair of bead portions; and a carcass including one or more carcass plies of radially arranged cords that extend in a toroidal form between the pair of bead portions, wherein a reinforcing member is provided so as to extend at an angle with respect to a tire radial direction in an area including a tire maximum width position of the pneumatic tire that stretches in the tire radial direction on an outer side in a tire width direction of the carcass in a reference state.
A tire air pressure monitoring system includes: a data acquisition unit that acquires tire air pressure data at each fixed detection period; a storage unit that stores newly acquired air pressure data P(0), and air pressure data P(1) to P(N) acquired 1 to N periods prior to the air pressure data P(0); a determination unit that determines a state in which air pressure has decreased, on the basis of air pressure data; and a communication unit that transmits a determination result of the determination unit to an external device, in which the determination unit compares each piece of the air pressure data P(1) to P(n) with the air pressure data P(0) to calculate decrease values, compares the decrease values with a preset first threshold value (th1), and determines that tire air pressure is decreasing when at least one decrease value is greater than or equal to the first threshold value.
Provided is a tire 10 comprising a bead filler 5 that is disposed adjacent to a tire radial outside of a bead core 11, and an electronic device 6 that is attached to a sidewall part 2 closer to a tire outer surface 10o than a carcass 4, wherein, when the nominal designation of a rim diameter of the tire 10 is 20-57 inches, the electronic device 6 is arranged in a position at which the tire radial distance from an upper end 11a of the bead core 11 is 105-200% of the tire radial height of the bead filler 5, and when the nominal designation of the rim diameter is larger than 57 inches, the electronic device 6 is arranged in a position at which the tire radial distance from the upper end of the 11a of the bead core 11 is 105-330% of the tire radial height of the bead filler 5.
The present invention addresses the problem of providing a polymer composition having excellent cold-flow resistance, a method for producing the polymer composition, a rubber composition including the polymer composition, and a tire obtained using the rubber composition. The polymer composition comprises a diene-based polymer having a number-average molecular weight of 500,000 g/mol or higher and a resin having a value of %H Ar of 20% or greater and a softening point of 110°C or higher, the content of the resin being 20 parts by mass or higher per 100 parts by mass of the diene-based polymer.
C08L 25/02 - Homopolymers or copolymers of hydrocarbons
C08L 65/00 - Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
68.
POLYMER COMPOSITION, METHOD FOR PRODUCING SAME, RUBBER COMPOSITION, AND TIRE
The purpose of the present invention is to provide: a polymer composition which exhibits excellent cold flow resistance and has a low viscosity; a method for producing same; a rubber composition containing said polymer composition; and a tire obtained using said rubber composition. In order to achieve the foregoing, the present invention contains a high molecular weight polymer having a number average molecular weight of 500,000 g/mol or more and one or more hydrogenated resins selected from the group consisting of a hydrogenated aliphatic resin and a hydrogenated cyclic resin. The content of the hydrogenated resin(s) is 20 parts by mass or more relative to 100 parts by mass of the high molecular weight polymer.
C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
C08L 45/00 - Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
A vehicle speed control system comprising: a thermometer measuring a temperature of a tire; and a control device controlling a speed of a vehicle on the basis of a measured temperature of the tire obtained by the thermometer.
B60C 23/20 - Devices for measuring or signalling tyre temperature
B60C 17/04 - Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
F02D 29/02 - Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving variable-pitch propellers
This tire 10 comprises: a pair of bead parts; a carcass made from at least one carcass ply; a bead filler; and an electronic device 6 attached to the tire inner surface of a tire side part composed of a side wall portion and the bead parts, wherein the tire 10 has a rim diameter of the applied rim of at least 20 inches, a carcass cord 411 of the carcass ply 41 is made of steel, the electronic device 6 includes an antenna 6b that extends in a direction intersecting the extension direction of the carcass cord 411 when viewed in the tire axial direction, and the number of intersections of the carcass cord 411 and the electronic device 6 including the antenna 6b is 7 to 25 when viewed in the tire axial direction.
Provided is a pneumatic tire having excellent durability at belt ends while attaining a reduction in rolling resistance. The pneumatic tire is characterized in that: in a tire center portion, the first belt layer has a thickness of 1.00 mm or less and the second belt layer has a thickness of 1.00 mm or less; when the minimum distance in the tire center portion between the cords of the second belt layer and the cords of the first belt layer is expressed by a and the minimum distance between the outermost cord of the second belt layer and the cords of the first belt layer is expressed by b, then b/a is 1.8-4.0; and at the belt ends, an end rubber has been disposed on the tire-radial-direction inner side of the first belt layer, between the first belt layer and the second belt layer, and on the tire-radial-direction outer side of the second belt layer, in a given manner.
B60C 9/20 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
B29D 30/44 - Stretching or treating the layers before application on the drum
B60C 9/00 - Reinforcements or ply arrangement of pneumatic tyres
72.
INFORMATION PROCESSING DEVICE FOR ASSISTING IN MANAGEMENT OF TIRE RECYCLING INFORMATION
The present invention assists in the management of information acquired in each step of tire recycling. An information processing device 1, which can communicate with a network, includes a control unit. The control unit executes operations including: receiving first tire-related information pertaining to a tire from a first communication terminal 2 that is associated with a first step in tire recycling; receiving second tire-related information pertaining to the tire from a second communication terminal 2 that is associated with a second step in the recycling; storing the first tire-related information and the second tire-related information in association with tire identification information; and transmitting, to a user terminal 3, the first tire-related information and the second tire-related information when the identification information is received from the user terminal 3.
Provided is a motorcycle tire that offers improved steering stability, particularly an improved banking feel. In this motorcycle tire, the tread surface portion is provided with a directional pattern which includes at least one center main groove 11. The tread surface portion as a whole has a negative ratio of less than or equal to 10%, and the ratio Gs/Gc is 95% to 100%, where GS is the shear stiffness measured at the position of 1/4 the tread width TW from the tread end TE of the tread surface portion in the tire width direction, and Gc is the shear stiffness measured at the position of 1/2 the tread width TW from the tread end TE in the tire width direction.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Tires for passenger cars; tires for trucks; tires for buses; tires for racing cars; tires for automobiles; retreaded tires for passenger cars; retreaded tires for trucks; retreaded tires for buses; retreaded tires for racing cars; retreaded tires for automobiles: inner tubes for passenger cars; inner tubes for trucks; inner tubes for buses; inner tubes for racing cars; inner tubes for automobiles; wheels and rims for passenger cars; wheels and rims for trucks; wheels and rims for buses; wheels and rims for racing cars; wheels and rims for automobiles; tread rubber for retreading tires for the above-mentioned vehicles; tires for two-wheeled motor vehicles; inner tubes for two-wheeled motor vehicles; wheels and rims for two-wheeled motor vehicles; tires for bicycles; inner tubes for bicycles; wheels and rims for bicycles; tread rubber for retreading tires for two-wheeled motor vehicles or bicycles; tires and inner tubes for aircraft; tread rubber for retreading tires for aircraft.
Provided is a resin-rubber composite that comprises a resin-including member, and a rubber-including member that is bonded to the resin-including member, a portion of the resin-including member that is in contact with the rubber-including member being surface treated, and the rubber-including member including an organic peroxide and a maleimide compound.
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
This resin/rubber composite body comprises a resin-including member and a rubber-including member that is adhered to the resin-including member, wherein the resin includes an amino group, and the rubber-including member includes an organic peroxide and a maleimide compound.
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
Provided is a vulcanized rubber composition for tires which has excellent on-ice performance. In order to address the problem described above, this vulcanized rubber composition for tires is characterized by: having been obtained by vulcanizing a rubber composition including a rubber component comprising a modified conjugated-diene-based polymer having a (meth)acrylic acid ester in the molecule; and having a plurality of voids.
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08F 236/04 - Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
C08L 9/00 - Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
C08L 47/00 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Compositions of derivatives of such polymers
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Automobile tires; pneumatic tires; tires for vehicle wheels; treads for retreading tires; inner tubes for pneumatic tires; tires for motorcycles; tires for bicycles; aircraft tires; wheels for motor vehicle; motorcycle wheels; bicycles wheels; rims for vehicle wheels; automobiles; motorcycles; bicycles; electric bicycles.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Aircraft tires; automobile tires; automobiles; bicycle wheels; bicycles; electric bicycles; inner tubes for pneumatic tires; motorcycle wheels; motorcycles; pneumatic tires; rims for vehicle wheels; tires for bicycles; tires for motorcycles; tires for vehicle wheels; treads for retreading tires; wheels for motor vehicle
80.
EVALUATING WEAR OF A TIRE WITH A NON-AXISYMMETRIC TREAD PATTERN
A computer-implemented method for evaluating wear of a tire with a non- axisymmetric tread pattern, the method comprising: providing a wear model of the tire configured to convert a frictional energy rate into a wear energy rate; providing a first three-dimensional, 3D, model of the tire with the non-axisymmetric tread pattern; generating a plurality of simplified 3D models based at least in part on the first 3D model of the tire with the non-axisymmetric tread pattern; performing a plurality of steady-state transport analyses based at least in part on each one of the plurality of simplified 3D models; post-processing the results of each of the plurality of performed steady-state transport analyses; and evaluating the wear of the tire with the non-axisymmetric tread pattern based on the post-processed results of the plurality of performed steady-state transport analyses and the wear model.
In this tire 1 for heavy loads, tread rubber 7 has a cap layer 7c and a base layer 7b disposed nearer to the inner periphery of the tire than the cap layer, the cap layer is provided with a cap surface layer 7c1 and a cap intermediate layer 7c2, the cap surface layer has a tan δ greater than that of the cap intermediate layer in a tensile test at a room temperature of 24°C, 2% amplitude, and 50Hz, and the difference between the tan δ of the cap surface layer in a tensile test at a room temperature of 24°C, 2% amplitude, and 50 Hz and the tan δ of the cap intermediate layer in a tensile test at a room temperature of 24°C, 2% amplitude, and 50 Hz is 0.06 or greater.
Provided is a tire 1 for heavy load comprising a tread rubber 7 which includes a cap layer 7c and a base layer 7b arranged on a tire inner circumference side from the cap layer. The cap layer includes a cap surface layer 7c1 and a cap intermediate layer 7c2. The cap surface layer is larger than the cap intermediate layer in tanδ in a tensile test under a condition of a room temperature of 24°C, a 2% amplitude, and 50 Hz. A difference between the tanδ of the cap surface layer in the tensile test under the condition of the room temperature of 24°C, the 2% amplitude, and 50 Hz and the tanδ of the cap intermediate layer in the tensile test under the condition of the room temperature of 24°C, the 2% amplitude, and 50 Hz is 0.03 or more.
12 - Land, air and water vehicles; parts of land vehicles
35 - Advertising and business services
37 - Construction and mining; installation and repair services
Goods & Services
Vehicles; vehicle tires; automobiles; automobile tires; motorcycles; motorcycle tires; bicycles; bicycle tires; aircrafts; aircraft tires. Retail services and wholesale services for vehicles and vehicle tires; retail services and wholesale services for automobiles and automobile tires; retail services and wholesale services for motorcycles and motorcycle tires; retail services and wholesale services for bicycles and bicycle tires; retail services and wholesale services for aircrafts and aircraft tires. Repair and maintenance of vehicles and vehicle tires; repair and maintenance of automobiles and automobile tires; repair and maintenance of motorcycles and motorcycle tires; repair and maintenance of bicycles and bicycle tires; repair and maintenance of aircrafts and aircraft tires.
A tire load prediction system of the present invention includes: a sensor unit; a strain data acquisition unit; a linear transformation unit that performs a linear transformation on the strain data; a first estimation unit that estimates a velocity and angular velocity in the tire tangential direction; a second estimation unit that estimates a velocity in a tire radial direction from values of the velocity and angular velocity in the tire tangential direction; a third estimation unit that estimates a velocity in a θ-angle direction from values of an acceleration and angular velocity in the tire tangential direction; a fourth estimation unit that estimates deflection of the tire, the velocity in the tire radial direction, and the velocity in the θ-angle direction; and a load prediction unit that predicts a load applied to the tire.
To provide a laminated hose capable of achieving both pressure-resistant performance and oscillating durability performance. The laminated hose (1) comprises a plurality of reinforcing layers (12) laminated to the hose body (11), and each of the plurality of reinforcing layers (12) includes a reinforcing wire (13). A wire density (ρ) of the reinforcing layer (12) in all of the plurality of reinforcing layers (12) is 90% or more and less than 96%.
The present invention relates to a process for preparing a rubber composition comprising polymerizing glycerol mono-methacrylate, crosslinking the obtained poly(glycerol mono-methacrylate) with borax to form a poly(glycerol mono- methacrylate) dynamic boronic ester complex, and blending the complex with additives. The invention further relates to the rubber composition, a cured rubber composition, and a self-healing tire using the rubber composition.
This tire manufacturing method is for obtaining a tire 10 that comprises a tire body section 11 and a tread rubber section 12, said method including: a base tire preparation step S101 for preparing a base tire 1 which is a tire body section of a used tire and which becomes the tire body section 11; a molded tire assembly step S102 for assembling a molded tire 4 by attaching a tread rubber 2 that becomes the tread rubber section 12 to the outer circumferential side of the prepared base tire 1; a molded tire vulcanization step S103 for vulcanizing the assembled molded tire 4; and a sipe formation step S104 for forming sipes 16 on a tread surface 5 of the vulcanized molded tire 4.
In order to address the problem of providing a rubber composition that has superior performance on ice, the present invention is characterized by including a rubber component, a fatty acid amide, and a liquid polymer that has a weight-average molecular weight of 5,000 or greater and less than 40,000 in terms of polystyrene, as measured by gel permeation chromatography.
C08L 101/12 - Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
A pneumatic tire for aircraft according to this disclosure has belt layers arranged in the following order from the inside of the tire radial direction: the inner zigzag belt layers, the spiral belt layers, and the outer zigzag belt layers, and among the belt layers, the inner zigzag belt layer has the maximum width in the tire width direction.
B60C 9/22 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel the plies being arranged with all cords disposed along the circumference of the tyre
Provided is an adhesive composition capable of achieving excellent adhesion and mechanical stability even when it contains no formalin or resorcin. The adhesive composition contains (A) rubber latex, and (B) a compound having an acrylamide structure.
A vehicle control system 100 according to the present disclosure comprises a first battery 11 that supplies power to a power source that drives the vehicle 1; an automatic driving processing unit 13 that provides the automatic driving function; and a second battery 12. The second battery 12 supplies power to the automatic driving processing unit 13 in the ignition-off state. Further, the second battery 12 supplies power to the first battery 11 to activate the first battery 11 when the vehicle is transitioned from the ignition-off state to an ignition-on state.
This airplane tire management device comprises: a communication unit that is able to communicate with a production facility that produces airplane tires and a client facility that is a client for the airplane tires produced by the production facility; a receiving unit that receives, through the communication unit, identification information about the airplane tires and status information that includes position information or a delivery status about the airplane tires; a storage unit that stores the identification information and the status information received by the receiving unit; an information processing unit that, when the receiving unit receives the status information, updates the status information stored in the storage unit; and an output unit that is able to output the identification information and the status information.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Aircraft tires; automotive wheels; bicycle rims; bicycle wheels; inner tubes for aircraft tires; inner tubes for automobile tires; inner tubes for bicycles; inner tubes for bus tires; inner tubes for pneumatic tires; inner tubes for truck tires; inner tubes for two-wheeled motor vehicles; inner tubes for vehicle tires; retreaded tires for automobiles; retreaded tires for buses; retreaded tires for passenger cars; retreaded tires for racing cars; retreaded tires for trucks; rims for automobile wheels; rims for vehicle wheels; tires for automobiles; tires for bicycles; tires for buses; tires for passenger cars; tires for racing cars; tires for two-wheeled motor vehicles; treads for retreading tires; truck tires; wheel hubs of two-wheeled motor vehicles or bicycles; wheel rims for motor cars; wheel rims of two-wheeled motor vehicles or bicycles; wheels for automobiles; wheels for trucks
industrial robots and their parts and fittings; robotic arms for industrial purposes machines and apparatus for helping improve body function, other than for medical purposes; robotic exoskeletons and powered arms; robotic exoskeleton suits, other than for medical purposes; pneumatic and hydraulic linear actuators, other than for land vehicles.
A non-pneumatic tire including an inner cylinder that surrounds an outer peripheral surface of a metal rim from an outside in a tire radial direction, an outer cylinder that surrounds the inner cylinder from the outside, and a plurality of elastically deformable connecting members that connects an outer peripheral surface of the inner cylinder to an inner peripheral surface of the outer cylinder. The inner cylinder is made of a synthetic resin material. A pair of holding flange portions is formed on the outer peripheral surface of the rim. The rim includes a first split body and a second split body. A size of the inner cylinder in a tire width direction is greater than a distance between inner surfaces, which face each other in the tire width direction, of the pair of holding flange portions. The inner cylinder is formed to be elastically deformable in the tire width direction.
Provided is a vulcanized rubber surface treatment agent that enables firm adhesion between vulcanized rubbers without heating and has little effect on rubber deterioration. The vulcanized rubber surface treatment agent is used for adhering vulcanized rubbers to each other, which is an aqueous solution of hypochlorous acid having a pH value of 2 or more and 7 or less and an effective chlorine concentration of 100 ppm or more and 13000 ppm or less.
C09J 5/02 - Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving pretreatment of the surfaces to be joined
C08C 19/12 - Incorporating halogen atoms into the molecule
C09J 163/00 - Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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
B29D 30/00 - Producing pneumatic or solid tyres or parts thereof
99.
TIRE PRESSURE MONITORING DEVICE, TIRE PRESSURE MONITORING METHOD AND MONITORING PROGRAM
A monitoring unit that serves as a tire pressure monitoring device includes an acquisition section, a calculation section and a determination section. The acquisition section acquires air pressure data of plural tires mounted at a vehicle. On the basis of the air pressure data, for each tire, the calculation section calculates a first representative value relating to air pressures of the tire in a first period, calculates a second representative value relating to air pressures of the tire in a second period that is longer than the first period, and calculates a decrease level of the first representative value relative to the second representative value. The determination section determines that air pressure is decreasing when the decrease level of one tire is equal to or more than a first threshold value and the decrease level of another tire, which is different from the one tire, is less than the first threshold value.
Provided with a sensor unit; a strain signal acquisition unit configured to acquire a strain signal; an index calculation unit configured to calculate an index of deformation rate; a relation value calculation unit configured to calculate in advance a relation value between the index of the deformation rate and a wear degree of the tire; a wear condition estimation unit-configured to estimate the wear degree of the tire by comparing the relation value with the index of the deformation rate; and a relation value prediction unit configured to predict a relation value of a tire of another size, and the relation value prediction unit uses data related to at least a thickness of a tire tread portion, which is stored in advance in a data storage unit, when predicting the relation value of the tire of another size.