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.
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 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
5.
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.
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
13.
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
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
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.
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.
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.
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).
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 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.
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 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
36.
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
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
39.
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.
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
44.
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.
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
50.
AIRPLANE TIRE MANAGEMENT DEVICE AND AIRPLANE TIRE MANAGEMENT PROGRAM
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.
The purpose of the present invention is to provide a method for producing a rubber composition, the method enabling the achievement of a rubber composition which exhibits improved dispersibility of a filler, while having low loss tangent. In order to achieve the above, the present invention provides a method for producing a rubber composition that contains a rubber component (A) which contains at least one rubber that is selected from among natural rubbers and synthetic diene rubbers, a filler that contains an inorganic filler (B), a silane coupling agent (C) and a vulcanization accelerator (D). This method for producing a rubber composition is characterized in that: the rubber composition is knead in a plurality of stages; in a first stage of the kneading, the rubber component (A), some or all of the inorganic filler (B), some or all of the silane coupling agent (C) and the vulcanization accelerator (D) are kneaded; and the rubber component contains a modified copolymer that has been modified with a modifying agent which contains a compound represented by formula (1).
The problem addressed by the present invention is to provide a tire that improves steering stability and that can maintain plunger durability even when made light in weight. The solution for this problem is a tire (100), equipped with a belt (60) that comprises at least two belt layers (60A, 60B) disposed in a tread section (30) and belt reinforcement layers (70A, 70B) that are disposed on the outer sides, in the tire radial direction, of the belt (60). The tire (100) is characterized in that: the belt layers (60A, 60B) and the belt reinforcement layers (70A, 70B) are formed by covering a reinforcement material with an elastomer; the reinforcement material of the belt layers (60A, 60B) is metal monofilaments with a filament diameter d of less than 0.30 mm; and the reinforcement material of the belt reinforcement layers (70A, 70N) is organic fiber cords with a break strength of at least 6.5 cN/dtex, a cutting elongation of at least 10%, and an elastic modulus, when stretched by 7%, of at least 6.0 mN/(dtex∙%).
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
B60C 9/00 - Reinforcements or ply arrangement of pneumatic tyres
B60C 9/18 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
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
The structure according to the present invention has a mounting member attached, via an adhesive layer, to the surface of a rubber member to be adhered. The adhesive layer is a thermoplastic resin containing a conductive member. The method for producing a structure according to the present invention includes a step for placing the mounting member, via an adhesive layer, on the surface of the rubber member to be adhered and a step for applying high-frequency electromagnetic waves to the adhesive layer to heat the adhesive layer.
A tread (20) of a tire (10) for a construction vehicle has formed therein: a width-direction narrow groove (100) that extends in the tire width direction (TW); a center circumferential direction groove (30) that connects to one end of the width-direction narrow groove (100), is formed in a position including a tire equator line (CL), and extends in the tire circumferential direction (TC); an outer circumferential direction groove (40, 50) that connects to the other end of the width-direction narrow groove (100), is formed outward in the tire width direction (TW) relative to the width-direction narrow groove (100), and extends in the tire circumferential direction (TC); a plurality of slope-like notch grooves (110, 210) that each connect to the width-direction narrow groove (100); and an intermediate circumferential direction groove (60) that extends in the tire circumferential direction (TC), intersects with the width-direction narrow groove (100), and is disposed between the notch grooves included in the plurality of notch grooves (110, 210) in the tire width direction (TW).
An information processing device (10) includes a control unit (13). The control unit (13) acquires risk information based on a foreign object that may damage an aircraft and enables the acquired risk information to be provided as a common indicator for determining fee information related to operations of the aircraft.
The method for producing a repaired pneumatic tire of the present invention includes a placement step that places a repair patch equipped with a repair layer formed by placing unvulcanized rubber around a plurality of reinforcing cords arranged parallel to each other on a repair site and a vulcanization step that vulcanizes the tire on which the repair patch has been placed. In the repaired pneumatic tire, the tire radial direction outer end of the repair patch is located on the inside of the tire width direction from the end of the maximum width belt layer where the width of the tire width direction is greatest among the one or more belt layers, and the tire radial direction inside end of the repair patch is located on the outside of the tire radial direction from the tire maximum width location.
B29C 73/10 - Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass using preformed elements using patches sealing on the surface of the article
57.
RUBBER FORMULATIONS YIELDING IMPROVED DYNAMIC PROPERTIES AND WEAR
A vulcanizable composition comprising (i) a base rubber component; (ii) a low molecular weight polydiene additive, where the low molecular weight polydiene additive is characterized by an Mn of less than 100 kg/mol, an Mw of less than 110 kg/mol, a Tg of greater than -30 °C, and a vinyl content, relative to the diene mer units, of greater than 35 mol %; (iii) a filler; and (iv) a curative.
Provided are a rubber article which can have both highly reduced heat buildup properties and excellent cut resistance and a tire including the rubber article. The rubber article is a vulcanizate of a rubber composition comprising a rubber component and syndiotactic 1,2-polybutadiene, wherein the rubber component comprises 30-70 mass% natural rubber and 30-70 mass% butadiene rubber and the proportion of the syndiotactic 1,2-polybutadiene is 5-40 parts by mass per 100 parts by mass of the rubber component. The rubber article has a thickness of 3 mm or larger.
The present invention provides a rubber component having excellent degradation resistance properties. This copolymer is characterized by comprising: an ethylene unit; an α-olefin unit having 6 or more carbon atoms; a nonconjugated diene unit; and an aromatic vinyl unit.
C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
C08F 210/14 - Monomers containing five or more carbon atoms
C08F 210/18 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
C08F 255/08 - Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group on to polymers of olefins having four or more carbon atoms
C08J 3/20 - Compounding polymers with additives, e.g. colouring
The purpose of the present invention is to provide a copolymer having excellent low heat generation properties and fracture resistance. In order to fulfill this purpose, the present invention is a polyurethane-polydiene copolymer including a urethane skeleton and a diene skeleton, wherein the polyurethane-polydiene copolymer is characterized by being obtained by copolymerization of at least (A) a polydiene having a hydroxyl group on both ends and (C) a compound having at least two isocyanate groups.
At least one main groove 2 is a serpentine main groove 21 having a first groove wall 2a and a second groove wall 2b each including an upper groove wall part and a lower groove wall part, the upper groove wall parts being connected to a groove bottom portion 2c by way of the lower groove wall parts. A lower groove wall upper edge 2ale of the first groove wall 2a extends in an undulating shape in a circumferential direction of the tire such that a minimum groove wall angle part and a maximum groove wall angle part appear alternately with a predetermined repetition period in the circumferential direction of the tire, and a lower groove wall upper edge 2ble of the second groove wall 2b extends in an undulating shape in the circumferential direction of the tire. The minimum groove wall angle part and the maximum groove wall angle part of the first groove wall 2a are in the same positions in the circumferential direction of the tire as a wide groove portion and a narrow groove portion respectively. An upper groove wall upper edge 2aue of the first groove wall 2a extends linearly, with an undulating shape, or with a zig-zag shape, with an amplitude that is less than an amplitude of the lower groove wall upper edge 2ale of the first groove wall 2a.
An information processing device according to the present invention comprises: an acquisition unit that acquires values of a plurality of tire-related parameters related to a structure of a tire attached to a mobile body; and a control unit that, in a case in which, on the basis of the values of the plurality of tire-related parameters that are acquired, a value of at least one of the tire-related parameters is a predetermined value set in advance as a tire state indicating that the structure of the tire has changed, performs control to output instruction information indicating an instruction regarding the tire that is set in advance with respect to the tire state.
This estimation device estimates a target physical quantity by inputting, to a learning model including a first model and a second model, at least one physical quantity other the target physical quantity being estimated, the learning model being trained, using a plurality of physical quantities as training data that vary according to deformation of a member, to take, as an input, the at least one physical quantity other than the target physical quantity and to output the target physical quantity, the first model being trained to take, as an input, the at least one physical quantity other the target physical quantity and to output, as an intermediate physical quantity, a physical quantity other than the target physical quantity and the at least one physical quantity, the second model being trained to take, as inputs, the at least one physical quantity other than the target physical quantity and the intermediate physical quantity outputted from the first model, and to output the target physical quantity.
This tire fitting method is for fitting a tire onto a tire holding device 1, wherein: the tire holding device is provided with a pair of split rim members 4 opposing one another; a central axis A of each of the pair of split rim members lies on a common prescribed axis O; and the tire fitting method includes a sandwiching step for sandwiching the tire between the pair of split rim members, and, after the sandwiching step, a rotating step for fitting each bead portion of the tire to the pair of split rim members while causing the pair of split rim members to rotate around the prescribed axis.
B60C 19/00 - Tyre parts or constructions not otherwise provided for
B60B 30/04 - Means for holding wheels or parts thereof engaging the tyre, e.g. the tyre being mounted on the wheel rim the tyre not being mounted on a rim, i.e. holders or supports for tyres alone
65.
ESTIMATION DEVICE, ESTIMATION METHOD, ESTIMATION PROGRAM, AND LEARNING MODEL GENERATION DEVICE
This estimation device includes: a detection unit for detecting electrical characteristics between a plurality of detection points defined in advance on a flexible material that is electrically conductive and of which the electrical characteristics change in response to deformation; and an estimation unit for inputting, into a learning model trained using time-series electrical characteristics that change with deformation of the flexible material and deformation state information indicating the deformation state pertaining to the deformation of the flexible material as training data to use time-series electrical characteristics as input and to output deformation state information, time-series electrical characteristics, detected by the detection unit, of an object subject to estimation that includes the flexible material, and estimating deformation state information indicating the deformation state corresponding to the inputted time-series electrical characteristics.
G01L 1/20 - Measuring force or stress, in general by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
The problem addressed by the present invention is to provide a polymer in which tensile strength at break (TB) and elongation at break (EB) are improved, and the solution is a complexed polymer characterized by including a polymer chain that includes a diene unit and/or an olefin unit, and two or more functional groups that include oxygen atoms and that are bonded to a main chain and/or a side chain of the polymer chain, with the oxygen atoms in the at least two functional groups being bonded to carbon atoms that neighbor each other on the main chain and/or the side chain of the polymer chain, and further characterized in being complexed with a metal ion which is of an element from groups 3-12 in the periodic table.
C08F 8/42 - Introducing metal atoms or metal-containing groups
C08C 19/34 - Addition of a reagent which reacts with a hetero atom or a group containing hetero atoms of the macromolecule reacting with oxygen or oxygen-containing groups
C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
The present invention addresses the problem of providing a rubber composition which has an improved tensile strength at break (TB) and an improved elongation at break (EB). The solution for the problem is a rubber composition which contains a polymer (A) comprising a conjugated diene unit, a compound (B) having at least two hydroxyl groups, and a crosslinking agent (C), and which is characterized in that: with respect to the compound (B) having at least two hydroxyl groups, at least two hydroxyl groups in the compound are bonded to adjacent carbon atoms, and the compound additionally has a functional group that contains a sulfur atom; the content of the compound (B) having at least two hydroxyl groups is 3.5 parts by mass or more relative to 100 parts by mass of the polymer (A); and the content of the crosslinking agent (C) is 0.1-5 parts by mass relative to 100 parts by mass of the polymer (A).
The present invention addresses the problem of providing a rubber composition which has an improved tensile strength at break (TB) and an improved elongation at break (EB). The solution for the problem is a rubber composition which contains a rubber component (A) and a crosslinking agent (B), and which is characterized in that: the rubber component (A) contains a polymer (A1) that has at least two hydroxyl groups and a diene unit; with respect to the polymer (A1), at least two hydroxyl groups in the polymer (A1) are bonded to adjacent carbon atoms; and the content of the crosslinking agent (B) is 0.1-8 parts by mass relative to 100 parts by mass of the rubber component (A), while being 0.1-80 parts by mass relative to 100 parts by mass of the polymer (A1).
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
C08G 61/08 - Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
A bamboo shoot-shaped part that can lock and maintain a cover member, which is separate from the hydraulic actuator, is formed on the free-end side of a sealing member.
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
This robot hand comprises a fluid pressure actuator that can deform in a direction perpendicular to the axial direction, and an attachment base that is for attaching the fluid pressure actuator, wherein in a state in which fluid pressure is not being applied, the fluid pressure actuator is fixed to the attachment base so as to be angled inward in the curving direction of the fluid pressure actuator.
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
In the present invention, in a state in which fluid pressure is not being applied, at least a section of a sleeve and a section of a cover do not make contact.
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
A robot hand according to the present invention comprises: a fluid pressure actuator which is variable in a direction orthogonal to the axial direction; and a mounting base to which the fluid pressure actuator is mounted. In a state where the pressure of fluid is not applied, the fluid pressure actuator is fixed by the mounting base in such a manner as to be inclined outward in the direction of curvature of the fluid pressure actuator.
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
This retreading possibility determination method comprises: a step (S1) for acquiring a state characteristic value which is to be used in a first determination and a second determination and which indicates the state of a tire; a step (S2) for executing the first determination; and a step (S9) for executing the second determination when retreading of the tire has been determined to be possible in the first determination. The first determination is one of a chemical deterioration state determination using the residual durability of a base tire obtained by calculation based on a chemical change in rubber material of the tire or a physical deterioration state determination using the residual durability of the base tire obtained by calculation based on the physical damage state of the tire, and the second determination is the other of the chemical deterioration state determination and the physical deterioration state determination.
The present invention addresses the problem of providing a rubber composition that achieves both thermal deterioration resistance and fracture resistance. The solution to this problem is a rubber composition characterized by including a diene rubber (A), a heterocyclic compound (B) that has a six-membered aromatic heterocyclic ring, a metal salt (C) (with the exception of metal oxides, metal carbonates, and fatty acid metal salts having 10 or more carbon atoms), an organic peroxide (D), and a carbon black (E). The mass ratio (D/C) of the organic peroxide (D) to the metal salt (C) is preferably 0.1-10.
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
The present invention addresses the problem of providing a rubber composition that achieves both durability and low fuel consumption. The solution to this problem is a rubber composition characterized by containing: a diene rubber (A); a heterocyclic compound (B) having at least one heterocycle selected from the group consisting of pyrimidine rings, pyridazine rings, pyrazine rings, triazine rings, and tetrazine rings; a metal salt (C); and sulfur (D), the rubber composition moreover being characterized in that the mass ratio (D/C) of the sulfur (D) and the metal salt (C) is 0.1-10. The heterocyclic compound (B) preferably has a triazine ring or a tetrazine ring.
The present invention addresses the problem of providing a rubber composition which attains both fuel-saving properties and durability. The rubber composition is characterized by comprising a diene-based rubber (A), a heterocyclic compound (B) having at least one heteroring selected from the group consisting of pyrimidine, pyridazine, pyrazine, triazine, and tetrazine rings, and a metal salt (C), the bond dissociation energy between the metal salt (C) and the heterocyclic compound (B) being 200 kJ/mol or greater.
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Hojo Masahiro
Okuno Akira
Kuno Marino
Yoshioka Toshiaki
Kumagai Shogo
Fukaya Norihisa
Wahyu Satpriyo Putro
Choi Jun-Chul
Miftah Faried
Yamashita Hiroshi
Fujitani Tadahiro
Hatori Makiko
Sugiki Makoto
Abstract
The present invention addresses the problem of providing a method for decomposing a crosslinked rubber, with which monomer yield can be improved. A means for solving this problem is a method for decomposing a crosslinked rubber, the method being characterized by including: a first decomposition step for carrying out decomposition using a catalyst represented by general formulae (1) to (3): [In the formulae, M is ruthenium, molybdenum, or the like, X1and X2and L1, L2and L3each independently denote a ligand, R1, R2and R3each independently denote hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, or the like (here, these groups may be substituted with one or more alkyl groups, halogens, alkoxy groups, or the like), and L1and L2, R1and R2or L1and R1 may bond to each other to form a ring]; and a second decomposition step in which the decomposition product obtained in the first decomposition step is thermally decomposed at 300-450°C in an inert gas atmosphere in the absence of a catalyst.
C08J 11/18 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Hojo Masahiro
Okuno Akira
Kuno Marino
Homma Masahiro
Yoshioka Toshiaki
Kumagai Shogo
Fukaya Norihisa
Wahyu Satpriyo Putro
Choi Jun-Chul
Miftah Faried
Yamashita Hiroshi
Fujitani Tadahiro
Abstract
The present invention addresses the problem of providing a method which is for decomposing a crosslinked rubber, and with which it is possible to improve the yield of monomers. The solution is a method for decomposing a crosslinked rubber, the method being characterized by comprising: a first decomposition step for thermally decomposing a crosslinked rubber containing a diene-based rubber at 150-400 °C; and a second decomposition step for thermally decomposing a decomposition product obtained in the first decomposition step in an inert gas atmosphere at 300-950 °C in the presence of a catalyst. It is preferable that after the first decomposition step, at least 80 mass% of the diene-based rubber in the crosslinked rubber is decomposed into a diene-based oligomer having a weight average molecular weight of 100-50,000.
C08J 11/16 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Hojo Masahiro
Okuno Akira
Kuno Marino
Fukaya Norihisa
Wahyu Satpriyo Putro
Choi Jun-Chul
Miftah Faried
Yamashita Hiroshi
Fujitani Tadahiro
Hatori Makiko
Sugiki Makoto
Abstract
The present invention addresses the problem of providing a method for decomposing crosslinked rubber that can improve the yields of monomers and oligomers. The solution to the aforementioned problem is a method for decomposing crosslinked rubber characterized by including a first decomposition step for decomposing diene-rubber-containing crosslinked rubber using a catalyst represented by general formulas (1)-(3): [in the formulas, M is ruthenium, molybdenum, or the like; X1, X2, L1, L2, and L3each independently represent a ligand; R1, R2, and R3each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, or the like (these groups may be substituted by one or a plurality of alkyl groups, halogens, alkoxy groups, or the like); and L1and L2, R1and R2, and L1and R1 may respectively bond to each other to form rings], and a second decomposition step for thermally decomposing the decomposition product obtained in the first decomposition step at a temperature of 300-950°C inclusive in the presence of a catalyst.
C08J 11/18 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
The present invention addresses the problem of providing a method for decomposing a crosslinked rubber, the method being capable of attaining an improved monomer yield. This method for decomposing a crosslinked rubber is characterized by comprising a first decomposition step, in which a crosslinked rubber including a rubber component comprising a diene-based rubber is pyrolyzed at 150-400°C, and a second decomposition step, in which a decomposition product obtained in the first decomposition step is further pyrolyzed at 600-950°C in an inert gas atmosphere in the absence of a catalyst. The first decomposition step is preferably conducted in an inert gas atmosphere.
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
The present invention addresses the problem of providing a method for decomposing a crosslinked rubber, the method being capable of attaining an improved monomer yield. This method for decomposing a crosslinked rubber is characterized by comprising a first decomposition step, in which a crosslinked rubber including a rubber component comprising a diene-based rubber is pyrolyzed at 150-400°C, and a second decomposition step, in which a decomposition product obtained in the first decomposition step is further pyrolyzed at 300-450°C in an inert gas atmosphere in the absence of a catalyst. The first decomposition step is preferably conducted in an inert gas atmosphere.
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY (Japan)
Inventor
Hojo Masahiro
Okuno Akira
Kuno Marino
Yoshioka Toshiaki
Kumagai Shogo
Fukaya Norihisa
Wahyu Satpriyo Putro
Choi Jun-Chul
Miftah Faried
Yamashita Hiroshi
Fujitani Tadahiro
Hatori Makiko
Sugiki Makoto
Abstract
The present invention addresses the problem of providing a decomposition method for crosslinked rubber that improves the yield of a monomer. According to the present invention, a decomposition method for crosslinked rubber is characterized by including a first decomposition step for using a catalyst represented by general formulas (1)–(3) to decompose a crosslinked rubber that contains a diene rubber (in the formulas, M is ruthenium, molybdenum, or the like, X1, X2, L1, L2, and L3each independently represent a ligand, R1, R2, and R3each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, or the like (and those groups may be substituted with one or more alkyl groups, halogens, alkoxy groups, or the like), and L1and L2, R1and R2, and L1and R1 may be bonded to each other to form a ring) and a second decomposition step for thermally decomposing the decomposition product of the first decomposition step at 600°C–950°C in an inert gas atmosphere and in the absence of a catalyst.
C08J 11/18 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
83.
PRODUCTION METHOD FOR CHEMICAL PRODUCTS AND CARBIDES
This production method for chemical products and carbides comprises: a pyrolysis step for causing pyrolysis of a pulverized product of waste tires, to obtain a first gas fraction, a pyrolysis oil, and a residual fraction; a carbide recovery step for recovering carbides from the residual fraction; a hydrogenolysis step for causing hydrogenolysis of a raw material oil containing at least a portion of the pyrolysis oil, to obtain a second gas fraction, a light fraction, and a heavy fraction: and a steam-cracking step for causing steam cracking of a steam-cracking raw material oil containing at least a portion of the light fraction, to obtain a raw material for producing chemical products and carbides. The pyrolysis temperature for causing pyrolysis is 350-750°C. The raw material oil in the hydrogenolysis step contains a low-boiling-point raw material and a high-boiling-point raw material. The contained amount of the high-boiling-point raw material is at least 15 mass% of the total amount of the raw material oil.
C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres
C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
C10G 69/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen
A method for producing a chemical product which comprises a pyrolysis step in which chopped waste including waste tires is pyrolyzed to obtain a first gaseous fraction, a pyrolysis oil, and a residue, a hydrocracking step in which a raw oil including at least some of the pyrolysis oil is hydrocracked to obtain a second gaseous fraction, a light fraction having boiling points not higher than 350°C, and a heavy fraction having boiling points exceeding 350°C, and a steam cracking step in which a steam-cracking raw oil including at least some of the light fraction is steam-cracked to obtain the chemical product. In the pyrolysis step, the proportion of the pyrolysis oil to the sum of the first gaseous fraction, pyrolysis oil, and residue is 45 mass% or higher. In the hydrocracking step, the raw oil comprises a low-boiling-point raw material having boiling points not higher than 350°C and a high-boiling-point raw material having boiling points exceeding 350°C, and the content of the high-boiling-point raw material is 15 mass% or higher with respect to the whole raw oil.
C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
C10G 9/36 - Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
C10G 47/00 - Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions
C10G 69/06 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen
85.
CROSSLINKED RUBBER COMPOSITION, METHOD FOR PRODUCING CROSSLINKED RUBBER COMPOSITION, AND RUBBER PRODUCT
The present invention addresses the problem of providing a crosslinked rubber composition in which crack propagation resistance following thermal degradation is further improved. A means for solving this problem is a crosslinked rubber composition which is characterized by being obtained by crosslinking a rubber composition that contains: a rubber component; syndiotactic 1,2-polybutadiene; and an organic peroxide. The crosslinked rubber composition is also characterized in that a three-dimensional mesh-like network is formed in a matrix of the rubber component and that the three-dimensional mesh-like network has a portion comprising crystals of the syndiotactic 1,2-polybutadiene and a portion in which the rubber component and the syndiotactic 1,2-polybutadiene are compatible with each other.
An indicator (31) is affixed to an object of which a state of degradation is to be determined, and has color components that are extracted by means of a degradation state determining device provided with a degradation determination model and a color-change database, in order to determine the state of degradation of the object, the indicator being provided with a medium layer having printed thereon a color pattern (33) obtained by applying, in different positions, a plurality of colors having mutually different sensitivities to a degradation factor, and an identifier (32).
Embodiments of the present disclosure are directed to polymers, wherein the polymers comprise hydrogenated 1,4-polybutadiene having a cis content of about 50% to about 96%, a vinyl content of about 0% to about 1%, and a trans content of about 1% to about 10%. The hydrogenated 1, 4-polybutadiene has a degree of hydrogenation of about 3% to about 50%.
C08F 36/04 - Homopolymers or 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
C08F 4/54 - Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides together with other compounds thereof
C08F 4/70 - Iron group metals, platinum group metals, or compounds thereof
A vulcanizable rubber composition comprising a rubber component including (a) natural rubber, (b) functionalized, synthetic polyisoprene, and (c) optionally a butadiene-based synthetic rubber; a silica filler; and curative.
Polymer compositions including a silylated polymer derived from a polydiene polymer modified with a grafting agent including a silyl group and polar functional group. The polymer compositions are rubber blends that can be cured, wherein the silylated polymers aid in providing cured products thereof, such as tires, with improved properties. Methods for preparing the compositions and cured products such as tire components.
C08F 36/04 - Homopolymers or 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
Provided is a deterioration condition determination method by which a deterioration condition determination device determines the deterioration condition of a tire mounted on a vehicle on the basis of the color of an indicator attached to the tire, the deterioration condition determination method comprising: a deterioration determining step for using a deterioration determination model that accepts quantities of deterioration factors that cause a tire to deteriorate as inputs and produces an index of the deterioration condition of the tire to determine the deterioration condition of the tire on the basis of a color change database and a color component, the color change database containing data showing a relationship between change in the color of the indicator and the quantities of the deterioration factors, and the color component being extracted from an image of the indicator attached to the tire; and a recommendation step (S44 to S48) that recommends, on the basis of the determined deterioration condition of the tire, at least one option from among methods and products that can be selected when retreading a tire.
G06Q 10/20 - Administration of product repair or maintenance
91.
DEGRADATION STATE DETERMINATION METHOD, DEGRADATION STATE DETERMINATION DEVICE, TRAVELING STATE DETERMINATION METHOD, AND TRAVELING STATE DETERMINATION DEVICE
This degradation state determination method is for determining, on the basis of the color of an indicator provided to a target object that is a target for determining a degradation state, the degradation state of the target object. The degradation state determination method includes: a step for generating a color change database configured by including data that indicates relationships between changes in color of the indicator and quantities of a degradation factor that degrades the target object; a step for selecting a color for use in the indicator such that the quantity of the degradation factor can be specified; a step (S27) for acquiring an image of the indicator provided to the target object and extracting a color component from the image; and a step (S30) for, by using a degradation determination model for receiving input of the quantity of the degradation factor and outputting an index of the degradation state of the target object, determining the degradation state of the target object on the basis of the color change database and the color component extracted from the image.
Provided is a repair patch (70) to be added to a tire, the repair patch (70) comprising an indicator portion (31a) from which a color component is extracted by a deterioration state determination device provided with a deterioration determination model and a color change database in order to determine a deterioration state of the tire and a reinforcement portion (71) which is adhered to the tire for reinforcement, and the indicator portion includes a medium layer on which a color pattern having a plurality of colors which are different from one another in sensitivity to a deterioration factor and are painted at positions different from one another and an identifier are to be printed.
Silylating grafting agents and methods for synthesizing the same. The grafting agents are used to produce functionalized polydiene polymers by modifying the backbone of the polymer. Methods for functionalizing a polydiene post-polymerization using hydrosilylation are described. Hydrosilylation provides an advantage of incorporating multiple functional groups on the backbone of the polymer which lead to improved properties, such as rolling resistance, wet traction and polymer filler interaction.
C08F 36/04 - Homopolymers or 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
C08C 19/25 - Incorporating silicon atoms into the molecule
C07F 7/08 - Compounds having one or more C—Si linkages
Provided is a heavy-duty pneumatic tire (100) comprising a carcass ply (40) which forms the framework of the tire and belt layers (15) which are arranged on the outside of the carcass ply in the tire radial direction in a tread part (10). The carcass ply (40) includes a first curvature change part (P1) which is a border between a first portion (P0-P1) including the tire equatorial line (CL) and a second portion (P1-P2) which is arranged on the outside of the first portion in the tire width direction and inside of the first portion in the radial direction and has a curvature of the cross section larger than that of the first portion and a second curvature change part (P2) which is a border between the second portion and a third portion (P2-P3) which is arranged on the inside of the second portion in the tire radial direction and has a curvature of the cross section smaller than that of the second portion. The heavy-duty pneumatic tire (100) further comprises a cushion rubber (17a) which has an inside end in the tire width direction positioned at the first curvature change part (P1) and is arranged between the carcass ply (40) and the belt layers (15).
B60C 9/18 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
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 9/20 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
B60C 11/01 - Shape of the shoulders between tread and sidewall, e.g. rounded, stepped or cantilevered
A hydraulic actuator used in a gripping device 1 includes: a cylindrical tube that expands and contracts due to the pressure of a fluid; and a sleeve that is a stretchable structure of interwoven fiber cords aligned in a prescribed direction and that covers the outer peripheral surface of the tube. The distal end part of the hydraulic actuator 10 is provided with a scoop-shaped accommodation part 50, and is also provided with a partition plate 30 for blocking an open face 50a of the accommodation part 50 when the hydraulic actuator 10 is not bent or is bent.
B25J 15/10 - Gripping heads having finger members with three or more finger members
B25J 19/00 - Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
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
Hydraulic actuators 10 of a gripping device 1 are each a soft actuator that is flexible. One hydraulic actuator 10 is provided offset from at least one other hydraulic actuator 10 so as to cross the same on the proximal end side of said one hydraulic actuator 10. When the hydraulic actuators 10 are contracted, the distal end of a hydraulic actuator 10 comes close to the distal end of the other hydraulic actuator 10 crossing on the proximal end side.
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
A tire 1 comprises: a belt 6; and a tread surface 100. The belt has: a plurality of cross belt layers 6a; and one or more circumferential belt layers 6b. Cross belt cords are arranged at an angle of 20-45° with respect to a tire width direction. The tread surface includes: a plurality of main grooves 110; shoulder land sections 121; subsidiary grooves 130 that are provided in the shoulder land sections, have a groove width narrower than that of the main grooves, and extend along the tire circumferential direction. Of a pair of groove wall surfaces of each of the subsidiary grooves, the outer groove wall surface 130a that is located outward in the tire width direction, is located at the same position in the tire width direction as that of an outermost end 6bg in the tire width direction of the one or more circumferential belt layers, or located inward of the outermost end in the tire width direction of the one or more circumferential belt layers in the tire width direction.
B60C 9/18 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
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
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 a tire rubber composition that has both excellent wet-grip properties on dense graded asphalt pavement and excellent wet-grip properties on porous asphalt pavement, and has high road surface robustness. This tire rubber composition is characterized in by comprising: a rubber component containing an isoprene-based rubber (A) having a glass transition temperature of at most -50°C; a reinforcing filler (B); and a resin component (C). The rubber composition is characterized in that: the proportion of the isoprene-based rubber (A) in 100 parts by mass of the rubber component is not less than 15 parts by mass but less than 50 parts by mass; the resin component (C) is at least partially hydrogenated, and the difference in SP value between the resin component (C) and the isoprene-based rubber (A) is at most 1.40 (cal/cm3)1/2; and composition parameter P1 calculated from predetermined formula (I-1) is at least 1000, and composition parameter P2 calculated from predetermined formula (I-2) is at least 0.25.
This estimation device includes: a detection unit that detects electrical properties among a plurality of predetermined detection points on a flexible material of a target, the target comprising the flexible material which is electrically conductive and the electrical properties of which change in response to deformation; and an estimation unit that inputs time-series electrical properties of an estimation target into a learning model and estimates a degradation state corresponding to the inputted time-series electrical properties, the learning model being trained to use, as learning data, time-series electrical properties of a flexible material which change in response to deformation as well as degradation state information indicating a degradation state relating to the deformation of the flexible material, and to use the time-series electrical properties as input and to output degradation state information.
G01N 27/00 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance