Embodiments of the present disclosure are directed to rubber formulations, wherein the rubber formulations include hydrogenated elastomer having a silane-functionalized end group and a degree of hydrogenation of greater than or equal to 50 mol.%. The hydrogenated elastomer includes, based on the total weight of the hydrogenated elastomer, a vinyl content of greater than or equal to about 15 wt.%, a cis content of about 30 wt.% to about 85 wt.%, and a styrene content of about 0 wt.% to about 15 wt.%. The rubber formulation further includes natural rubber in an amount of at least 50 phr and reinforcing filler including, based on a total weight of the reinforcing filler, 0 wt.% to 50 wt.% silica and 50 wt.% to 100 wt.% carbon black.
Embodiments of the present disclosure are directed to rubber formulations, wherein the formulations include a statistical copolymer. The statistical copolymer includes a polymerized, crosslinkable reaction product derived from a conjugated diene monomer and vinylbenzocyclobutane. The rubber formulation is substantially free of traditional rubber curatives.
Embodiments of the present disclosure are directed to rubber formulations, wherein the formulations include a two-stage cured statistical copolymer. The two-stage cured statistical copolymer includes a polymerized reaction product of a conjugated diene monomer and a monomer capable of crosslinking at a high-temperature. The two-stage cured statistical copolymer undergoes a first stage cure at a first temperature less than or equal to about 180 °C to initiate sulfur crosslinking. The two-stage cured statistical copolymer undergoes a subsequent second stage cure at a second temperature greater than or equal to about 190 °C to initiate non-sulfur crosslinking.
A polymer and rubber composition for a truck and bus radial include: butadiene rubber polymers having polymer chain ends; the butadiene rubber polymers including (a) a 1,4-cis content of 90% or greater; and (b) a functional group including a heteroarylcarbonitrile molecule. 30% or more of the polymer chain ends of the butadiene rubber polymers are functionalized with the functional group. A functionalized butadiene rubber is included in a rubber composition in an amount of about 10 to about 60 phr and a reinforcing filler component includes carbon black in a range of about 25 to about 70 phr wherein the carbon black is a majority of the reinforcing filler component.
An information processing device including an acquisition section that acquires values of plural tire related parameters related to a structure of a tire attached to a moving body, and a control section that, in cases in which at least one value of the tire related parameters is a specific value predetermined as a tire state indicating a structure of the tire has changed, performs control based on each value of the acquired plural tire related parameters to output instruction information indicating an instruction for the tire predetermined according to the tire state.
A radiation shielding composite comprising a first component including a copolymer including unconjugated olefin-derived units, vinyl aromatic-derived units, and conjugated diene-derived units; and a second component including a radiation-shielding metal.
G21F 1/10 - Organic substancesDispersions in organic carriers
B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
B29K 9/00 - Use of rubber derived from conjugated dienes, as moulding material
B29K 25/00 - Use of polymers of vinyl-aromatic compounds as moulding material
B29K 105/12 - Condition, form or state of moulded material containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
B29K 105/24 - Condition, form or state of moulded material cross-linked or vulcanised
A method of preparing a rubber blend product that includes mixing regenerated rubber in a solvent to produce swollen regenerated rubber that is further blended with a mixture of another non-regenerated rubber such as natural rubber and an additional solvent to form a rubber blend mixture. The rubber blend mixture includes portions of the swollen regenerated rubber intertwined with the non-regenerated rubber. The rubber blend mixture is processed to remove portions of the solvents to form a rubber blend product for incorporation into rubber compositions for use in tires.
The present invention addresses the problem of providing a tread rubber composition which is capable of suppressing cracks in the tread part of a tire and achieving a high degree of balance between the wet grip performance and the low fuel consumption performance of the tire. The solution is a tread rubber composition containing a rubber component (A), a resin component (B), a filler (C), and an anti-aging agent (D), wherein the rubber component (A) includes an isoprene-based rubber, the content of the rubber component (B) is at least 1 part by mass and less than 50 parts by mass with respect to 100 parts by mass of the rubber component (A), the resin component (B) is at least partially hydrogenated, the difference in SP value between the resin component (B) and the isoprene-based rubber is 1.40 (cal/cm3)1/2 or less, the mass ratio of the resin component (B)/the isoprene-based rubber is at least 0.5, and the anti-aging agent (D) is at least one selected from the group consisting of compounds represented by a specific structure.
A golf club head is of an iron type. The golf club head includes a face portion that includes a face surface configured to hit a ball, and score lines recessed from the face surface and extending in a toe-heel direction. A first region, a second region, and a third region are sequentially defined in the face surface located between the score lines next to each other. The first, second, and third regions are arranged in a direction perpendicular to the score lines. The first region includes first fine grooves recessed from the face surface and extending in the direction perpendicular to the score lines. The second region includes second fine grooves recessed from the face surface and extending in a direction oblique to the score lines. The third region includes third fine grooves recessed from the face surface and extending in the direction perpendicular to the score lines.
In a golf ball having a core and a cover with numerous dimples thereon, the cover has a given material hardness, the ball has a specific compressive deformation when compressed under a given load, the outer surface of the cover has a paint coat thereon composed of an inner layer and an outer layer, the inner paint layer being formed of a coating composition containing specific base resins and the outer paint layer being formed of a two-part curable urethane coating composition which contains less than 5 wt % of an inorganic or organic filler based on the solids content of the base resins, and the paint layers have optimized ratios between their thicknesses at the dimple center and at the dimple edges. This golf ball satisfies the properties desired in practice golf balls, such as scratch resistance, peeling resistance and durability to cracking.
The present invention addresses the problem of providing an adhesive agent composition that can ensure desired adhesiveness without using resorcin and that does not compromise the workability during use. This adhesive agent composition, which is a solution to the problem, is characterized by comprising (A) a rubber latex having an unsaturated diene, and (B) an aqueous compound having two or more polymerizable (meth)acrylate structures, (meth)acrylamide structures, or (meth)allyl structures in the molecule, and further comprising (D) an aqueous component having a plurality of phenolic hydroxy groups in the molecule, (E) an aqueous component having a plurality of amino groups in the molecule, and (F) at least one compound selected from the group consisting of compounds including an amide bond structure.
D06M 14/02 - Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics or fibrous goods made from such materials on to materials of natural origin
D06M 15/263 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acidsSalts or esters thereof
D06M 15/356 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of other unsaturated compounds containing nitrogen, sulfur, silicon or phosphorus atoms
D06M 15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane linksPrecondensation products forming them
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
D07B 1/06 - Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
D07B 1/16 - Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
14.
ACTUATOR ANGLE ESTIMATION DEVICE AND ACTUATOR ANGLE ESTIMATION METHOD
An actuator angle estimation device 10 is an actuator bend angle estimation device 10 comprising a tube member 24 that has a first chamber 25A and a second chamber 25B which are spaced apart from each other, disposed along the axial direction, and arranged parallel to each other. The actuator bend angle estimation device 10 estimates the bend angle of an elongated actuator body section 22 that is bent as a result of one side of a tube wall being shortened in the axial direction in response to a rise in the internal pressure of the first chamber 25A. The actuator bend angle estimation device 10 additionally comprises: a fluid supply unit that supplies a fluid to the first chamber 25A; a pressure sensor 62 that acquires the internal pressure of the second chamber 25B; and an angle estimation unit that estimates the bend angle of the actuator body 22 on the basis of the internal pressure of the second chamber 25B, which is in a sealed state, as acquired by the pressure sensor 62.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
G01B 21/22 - Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapersMeasuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for testing the alignment of axes
15.
INFORMATION PROCESSING DEVICE, ESTIMATION METHOD, AND ESTIMATION PROGRAM
A center server 100 that serves as an information processing device comprises: a reception unit for receiving identification information of a tire T acquired from an RFID tag 210 provided to said tire T; an acquisition unit for acquiring recycle information that is recycling-related information associated with the identification information received by the reception unit; and an estimation unit for estimating, on the basis of the recycle information acquired by the acquisition unit, a recycle index that is an index related to recycling of the tire T.
A golf club head includes a head body that includes a face portion and a sole portion; a cavity that is provided in the head body and at a rear-surface side of the face portion; a fiber-reinforced resin layer that is disposed in the cavity and at a rear surface of the face portion; and a resin member that is disposed in the cavity, close to the sole portion, and at a rear surface of the fiber-reinforced resin layer. The resin member extends in a toe-heel direction.
The provided is a hose with an indicator (30), comprising: a hose body (30a) made of rubber that forms a fluid flow path therein; a fitting (30b) made of metal connected to an end of the hose body; and an indicator (31) in which color components are extracted by a deterioration state determination device provided with a deterioration determination model and a color change database in order to determine deterioration state of the hose body, wherein the indicator has a plurality of color patterns (33) composed of colors that are sensitive to deterioration factors, and is attached to an external surface of the hose body so that the color patterns can be seen from each of at least two different directions when the hose is viewed from those directions.
The provided is a hose with an indicator (30), comprising: a hose body (30a) made of rubber that forms a fluid flow path therein; a fitting (30b) made of metal connected to an end of the hose body; and an indicator (31) in which color components are extracted by a deterioration state determination device provided with a deterioration determination model and a color change database in order to determine deterioration state of the hose body, wherein a first indicator (31a) is attached to an external surface of the hose body, a second indicator (31b) is attached to an external surface of the fitting, and the color component extracted from the first indicator is compared with the color component of the second indicator in determining deterioration state of the hose body.
F16L 11/12 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
This tire set comprises a plurality of non-pneumatic tires and is configured such that all the non-pneumatic tires constituting the tire set are attached to one wheel. The cross-sectional width of at least one of the plurality of non-pneumatic tires is 75 mm or less (or the ratio of the cross-sectional width w of at least one of the plurality of non-pneumatic tires to the total sum W of the cross-sectional widths of all the non-pneumatic tires is 0.5 or less), and the total sum of the cross-sectional widths of all the non-pneumatic tires is 100 mm or more. This tire wheel assembly is obtained by assembling the tire set to a rim part of the wheel. All the non-pneumatic tires are arranged in a width direction and assembled to the rim part, and a space is provided between the non-pneumatic tires adjacent to each other in the width direction.
A tire 10 comprises: a resin frame body 20 formed from a thermoplastic resin, the resin frame body 20 having a bead part 12, a side part 14, and a crown part 16, and being such that a recessed part 80 is formed in an inner peripheral surface 50I of a thick-walled part; and an RFID tag 70 accommodated in the recessed part 80.
A tire 10 is formed of a thermoplastic resin, and includes: a resin skeleton 20 having a bead 12, a side section 14, and a crown section 16; and an RFID tag 70 attached to an inclined section 48 of the bead 12.
A tire 10 comprises: a knitted fabric layer 41 having a knitted fabric body 36 that is formed of a first fibrous material 38, has a mesh having a folded-over shape and being continuous in the tire circumferential direction and the tire radial direction, and is endless in the circumferential direction, and a reinforcement body 40 that is formed of a reinforcing fibrous material, and is knitted into the knitted fabric body 36 in an evenly spaced manner in the tire circumferential direction to limit extension of the knitted fabric body 36 in the tire radial direction; a resin skeleton body 20 which is formed of a thermoplastic resin, and in which the knitted fabric layer 41 is integrated and arranged from a bead section 12 having a bead core 18 embedded therein to a crown section 16; and an RFID tag 70 that is embedded in the resin skeleton body 20 inward or outward of the knitted fabric layer 41 in the tire axial direction.
TIRE RECYCLING INFORMATION PRESENTATION METHOD, TIRE RECYCLING INFORMATION PRESENTATION PROGRAM, TIRE RECYCLING INFORMATION PRESENTATION DEVICE, AND TIRE RECYCLING INFORMATION PRESENTATION SYSTEM
An acquisition unit 50 acquires individual information by reading, via a reader, individual information stored in advance in an RFID tag 34 disposed in a tire, a communication unit 54 accesses a database 44 of a database server, and the communication unit 54 acquires, from the database, recycling information pertaining to the tire corresponding to the individual information acquired by the acquisition unit 50. The display processing unit then presents the recycling information pertaining to the tire by performing a process for displaying the recycling information acquired by the communication unit on a display unit.
B60C 19/00 - Tyre parts or constructions not otherwise provided for
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
G06Q 10/30 - Administration of product recycling or disposal
This tire comprises: side reinforcement rubber 2 having a crescent-shaped cross section and disposed on a side wall section 1b of a tire; and a communication device 10 embedded in the tire. The side reinforcement rubber has a side reinforcement rubber joint part 2j in which end parts in the tire circumferential direction of the side reinforcement rubber are joined to each other. At least a portion of the communication device overlaps the side reinforcement rubber joint part on a projected plane for when the tire is projected in the tire width direction.
The tire molding drum 4 molds a ring-shaped tire member on the outer peripheral surface of a drum 40. The drum 40 has a first segment 31 on which the front end 22F of a tread member 22 is disposed during winding and a second segment 32 on which the rear end 22R of the tread member 22 is disposed. The first segment 31 and the second segment 32 each have center segments 41, 42 and end segments 51, 52 around which a belt member 24 is wound. The end segments 51 have needle-equipped segments 51A having a plurality of needles 54 inserted into the front end 22F of the tread member 22 and step parts 55 for supporting the tread member 22, and needle-less segments 51B. The end segments 52 and the needle-less segments 51B support a lower surface of the tread member 22.
A tire running performance measurement device 1 for measuring the running performance of a measurement target tire ET includes: a vehicle V; and a measurement target tire support tool S configured separately from the vehicle yet attached to the vehicle, and configured to support the measurement target tire. The measurement target tire support tool is configured to be able to adjust a load applied to the measurement target tire.
Disclosed is a pipe joint in which, when a nut member 20;70 in which a flat inner circumferential surface 23;73 is fitted coaxially on a core metal fitting cylindrical part 11 of a core metal fitting 10;60 is in a predetermined positional relationship in the axial direction with respect to the core metal fitting 10;60, a core metal fitting-side outer circumferential groove 11v;61v and a nut-side inner circumferential groove 23v;73v are matched to form a ring fitting hole V, and by fitting of a locking ring 30;80 in the ring fitting hole V, the nut member 20;70 is locked and attached to the core metal fitting 10;60 so as to be rotatable relative thereto and restricted from moving relative thereto in the direction away from the core metal fitting 10;60 in the axial direction, and because the groove depth of the core metal fitting-side outer circumferential groove 11v;61v is greater than the groove depth of the nut-side inner circumferential groove 23v;73v, the pipe joint can be assembled easily and appropriately without requiring dedicated equipment, and leakage of fluid can be prevented during fastening of the nut member and when the pressure of the fluid fluctuates.
F16L 19/065 - Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends the wedging action being effected by means of a ring
F16L 19/025 - Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the pipe ends having integral collars or flanges
F16L 33/207 - Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of toolsArrangements using such members only a sleeve being contracted on the hose
This tire has: an annular resin-made tire frame member provided with a bead part, a side part continuous with the tire-radial-direction outer side of the bead part, and a crown part continuous with the tire-width-direction inner side of the side part; and an RFID tag disposed on the side part so as to be integrated with the side part, the longitudinal direction of the RFID tag following the tire radial direction.
This tire has: an annular resin-made tire frame member provided with at least a bead part; a tread member that is disposed on the tire-radial-direction outer side of the tire frame member and constitutes a tire tread; a tire frame part formed on the tire-radial-direction outer side of the tire frame member and farther inward in the tire width direction than the tire-width-direction end part of the tread member, the tire-width-direction outer side of the tire frame part being lowered toward the tire-radial-direction inner side; a coating layer formed on the outer side of the tire frame member from the bead part to the tire frame part; and an RFID tag provided to the tire frame part.
This tire includes: an annular tire framework member which includes bead portions, side portions continuous with the bead portions on the radially outer side of the tire, and a crown portion continuous with the side portions on the inside in the width direction of the tire; a spiral belt which is disposed on outside of the crown portion in the radial direction of the tire and which is formed by winding a resin coated cord, obtained by coating one or a plurality of reinforcing cords with a resin, in a spiral shape in the circumferential direction of the tire; and an RF tag which is disposed on the outside of the crown portion in the radial direction of the tire, and which has at least a portion disposed on an extension line of the resin coated cord that extends from one end of the resin coated cord in a plan view.
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
A sleeve 26 of a hydraulic actuator 20 has a first group WA and a second group WE and is formed by alternately crossing respective yarn materials W in the first group WA and the second group WE. In each yarn material W, when the pressure of fluid applied to a tube 24 is at a maximum, a length X1 of the yarn material W in a direction φ orthogonal to an extension direction θ and a radial direction R is not more than 4 times a length Y1 in the radial direction R.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
F15B 15/00 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith
In this invention, an RFID patch and a tire involve: an RFID tag having an RFID chip, an antenna connected to the RFID chip, and a coating resin layer covering the RFID chip and the antenna; and an adhesive layer having a thickness of 1 mm or more and serving to bond the RFID tag and a pasting object.
This RFID patch and tire have: an RFID tag that has an RFID chip, an antenna connected to the RFID chip, and an RFID coating layer which is composed of a rubber material and coats the RFID chip and the antenna; and an adhesive layer that bonds together the RFID tag and the tire, which has a frame member composed of a resin material. The hardness of the RFID coating layer is lower than that of the resin material constituting the frame member.
Provided is a tire with which the position where a communication device is embedded is easily ascertained and in which the durability of the communication device is improved. A tire (1) comprises at least one mark (21) provided on a tire outer surface (1ds) of a tire side part (1d), and a communication device (10) embedded inside the tire side part (1d). At least one mark (21) of the at least one mark (21) is a recessed mark (21(21a)) provided on the tire outer surface (1ds) of the tire side part (1d). At least part of the communication device (10) is embedded inside the tire side part (1d) positioned directly below the recessed mark (21(21a)).
Provided is a vulcanized rubber composition for tires, which has excellent on-ice performance. The present invention is characterized by being obtained by vulcanizing a rubber composition comprising a rubber component that contains a modified conjugated diene-based polymer having a (meth)acrylic acid ester in the molecule, and a filler that contains at least silica. The present invention is characterized in that the content of silica in the rubber composition is 30-70 parts by mass with respect to 100 parts by mass of the rubber component, and the proportion of the silica in the filler is 55 mass% or more. The present invention is further characterized by having a plurality of voids.
A hydraulic actuator 20 comprises: a cylindrical tube 24; a sleeve 26 which covers the outer peripheral surface of the tube 24 and that, by expanding the tube, widens the tube in the radial direction while restricting extension of the tube in the axial direction; a pair of sealing members 32 in which is formed an insertion part 32B having a tapered section 49 having a diameter that becomes smaller approaching the depth side of insertion, and which seals a tube end section; a constraining member 28 which is provided so as to span from one side to the other side of the pair of sealing members 32, which is disposed so as to be inclined such that a constraining end section 29 runs along the tapered section 49, which resists compression in the axial direction, and which can be deformed in an intersecting direction intersecting the axial direction; and a fixing member 36 which fixes the sleeve 26 and the constraining member 28 to the insertion part 32B from the outside of the sleeve 26 at a position corresponding to the constraining end section 29 of the constraining member 28.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
An actuator attachment structure 19 includes: a plurality of fluid pressure actuators 20 each having an actuator body part 22 which is deformed by being curved due to pressure by a fluid supplied to the inside, and an attachment part 32 in which a flow passage R for supplying the fluid from one end in the longitudinal direction of the actuator body part 22 to the inside of the actuator body part 22 is formed; and a housing 40 which has an internal space into which the fluid is supplied, which has on the outer surface a plurality of attached parts 60 each corresponding to the attachment part 32 of each fluid pressure actuator 20, and in which the flow passage R is connected to the space by attaching the attachment part 32 to the attached part 60.
B25J 15/12 - Gripping heads having finger members with flexible finger members
B25J 15/10 - Gripping heads having finger members with three or more finger members
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
38.
COMPLEX POLYMER AND METHOD OF MANUFACTURING THE SAME, AND RUBBER COMPOSITION AND METHOD OF MANUFACTURING THE SAME
The problem of the present disclosure is to provide a polymer having improved tensile strength at break (TB) and elongation at break (EB), and the solution is to provide a complex polymer including a polymer chain containing a diene unit and/or an olefin unit and two or more functional groups containing an oxygen atom bonded to a main chain and/or a side chain of the polymer chain. The oxygen atoms in at least two of the functional groups are bonded to adjacent carbon atoms in the main chain and/or the side chain of the polymer chain, and at least two of the functional groups are complexed with a metal ion of an element of Groups 3 to 12 in the periodic table.
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
C08J 3/20 - Compounding polymers with additives, e.g. colouring
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
In a golf ball having a rubber core and a cover of at least one layer encasing the core, at least one cover layer is formed of a resin composition that includes a thermoplastic polyurethane and an inorganic filler. The inorganic filler content is at least 5 parts by weight per 100 parts by weight of the thermoplastic polyurethane. The resin composition has an abrasion volume in the Taber abrasion test according to JIS-K 7311 of more than 0.003 cm3 and satisfies formula (1) below
In a golf ball having a rubber core and a cover of at least one layer encasing the core, at least one cover layer is formed of a resin composition that includes a thermoplastic polyurethane and an inorganic filler. The inorganic filler content is at least 5 parts by weight per 100 parts by weight of the thermoplastic polyurethane. The resin composition has an abrasion volume in the Taber abrasion test according to JIS-K 7311 of more than 0.003 cm3 and satisfies formula (1) below
7
.
0
×
1
0
4
>
(
η1
-
η2
)
/
H
3
,
(
1
)
In a golf ball having a rubber core and a cover of at least one layer encasing the core, at least one cover layer is formed of a resin composition that includes a thermoplastic polyurethane and an inorganic filler. The inorganic filler content is at least 5 parts by weight per 100 parts by weight of the thermoplastic polyurethane. The resin composition has an abrasion volume in the Taber abrasion test according to JIS-K 7311 of more than 0.003 cm3 and satisfies formula (1) below
7
.
0
×
1
0
4
>
(
η1
-
η2
)
/
H
3
,
(
1
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wherein H is the Shore D hardness and η1 and η2 are respectively the 210° C. and 220° C. melt viscosities (Pa·s) at a shear rate of 6,080 sec−1 when measured with a capillary rheometer in accordance with ISO 11443: 1995. The cover resin material has improved flowability when molded and improved trimmability after molding.
An envelope spreader system includes a chassis having an opening to receive a tire assembly, a primary link including a single elongated member rotatably coupled to the chassis at a first fixed pivot point and extending into the opening from a primary link first end to a primary link second end, a first engaging member coupled to the primary link second end and configured to engage a tire envelope at a location corresponding to the location of the primary link second end, a secondary link including a single elongated member rotatably coupled to the chassis at a second fixed pivot point and extending into the opening from a secondary link first end to a secondary link second end, and a second engaging member coupled to the secondary link second end and configured to engage the tire envelope at a location corresponding to the location of the secondary link second end.
This non-pneumatic tire comprises: a wheel member that can be attached to an axle; a ring member that is attached to the wheel member; and a communication device. The ring member comprises: an inner cylinder body that is attached to the wheel member; an outer cylinder body that surrounds the outer side of the inner cylinder body in the tire radial direction; and a connection member that connects the inner cylinder body to the outer cylinder body and is elastically deformable between the inner cylinder body and the outer cylinder body. The communication device is fixed to the wheel member or to a surface of the inner cylinder body of the ring member that is exposed to the outside.
A non-pneumatic tire according to the present invention comprises a wheel member that can be attached to an axle, a ring member that is mounted to the wheel member, and a communication device that is embedded in the ring member. The ring member is provided with an inner cylinder body that is fixed to the wheel member, an outer cylinder body that surrounds the tire-radial-direction outer side of the inner cylinder body, and a connection member that connects the inner cylinder body and the outer cylinder body and is elastically deformable between the inner cylinder body and the outer cylinder body. The communication device is embedded in the inner cylinder body or the outer cylinder body.
A tire comprising: a side reinforcement rubber 2 having a crescent-shaped cross-section and disposed on a sidewall section 1b of the tire; and a communication device 10 embedded in the tire, wherein the side reinforcement rubber has a side reinforcement rubber joint section at which end portions of the side reinforcement rubber in the tire circumferential direction are joined together, and the entire communication device is located in a prescribed tire circumferential direction region Kr extending over a tire angle range of 90° around a prescribed tire circumferential direction position Kb 180° away from the center in the tire circumferential direction of the side reinforcement rubber joint section.
This tire includes: a tire-framework member that is annular and made of resin and that comprises a bead part, a side part which runs to the outer side in a tire radial direction of the bead part, and a crown part which runs to the inner side in the tire width direction of the side part; a thickness part formed on the side part and having a thickness in the tire width direction thicker than that of another part of the side part by projecting in the tire width direction more than the another part; and an RFID tag provided to the thickness part so as to be integrated with the thickness part.
This tire has: an annular tire frame member provided with a bead part, a side part continuous with the outer side of the bead part in the tire radial direction, and a crown part continuous with the inner side of the side part in the tire width direction; a spiral belt that is disposed on the outer side of the crown part in the tire radial direction and is formed by spirally winding, in the tire circumferential direction, a coating cord in which one or a plurality of reinforcement cords are coated with resin or rubber; and an RF tag that is disposed on the outer side of the crown part in the tire radial direction within a second division region positioned on the opposite side in the tire radial direction from a first division region including a region where one end part and the other end part of the coating cord overlap in the tire circumferential direction, among division regions that divide the tire frame member into four parts in the tire circumferential 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
The present disclosure achieves an elastic composition with which displacement of an object can be detected with a simple structure. The elastic composition is constituted by a rubber composition comprising a base part and protrusions that protrude from a surface of the base part, are distributed along said surface, are magnetized, and are elastically deformed due to an external force.
The present invention more effectively reduces discomfort of occupants, which is caused by a noise when the road surface condition switches. An information processing device 10 comprises a control unit 11 for: acquiring audio information of a noise which is generated during traveling of a vehicle 50 and is sensed by a microphone 15; generating, on the basis of the acquired audio information, a cancellation sound for canceling a road noise caused by unevenness of a road surface G on which the vehicle 50 travels; and causing a speaker 16 to output the generated cancellation sound. The control unit 11: acquires road surface information indicating the condition of the road surface G in a direction in which the vehicle 50 advances; detects, on the basis of the acquired road surface information, a switching point at which the condition regarding the unevenness of the road surface G switches; and, in response to the detection of the switching point, causes the speaker 16 to output a noise sound obtained by imitating the road noise in a fixed transition section which is before or after the switching point passed along due to traveling by the vehicle 50 and in which the degree of unevenness of the road surface is smaller.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the likeArrangement of controls thereof
This information processing device comprises a control unit that generates, on the basis of characteristic information indicating characteristics of a tire of a vehicle, a cancellation sound for cancelling noise generated due to the characteristics of the tire, and causes a speaker to output the generated cancellation sound.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
B60R 11/02 - Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the likeArrangement of controls thereof
A repair patch (70) is a repair patch to be attached to a tire and includes an indicator portion (31a) having color components to be extracted by a degradation state determination apparatus that includes a degradation state model and a color change database for determining a degradation state of the tire. The repair patch also includes a reinforcement portion (71) to be bonded to the tire to reinforce the tire. The indicator portion includes a medium layer having printed thereon an identifier and a color pattern having a plurality of colors applied to different positions, the plurality of colors having different sensitivities to a degradation factor.
B60C 19/00 - Tyre parts or constructions not otherwise provided for
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
The problem to be solved by the present disclosure is to provide a rubber composition that achieves both thermal degradation resistance and breaking resistance. The solution is a rubber composition including a diene-based rubber (A), a heterocyclic compound (B) having a six-membered aromatic heterocyclic ring, a metal salt (C) (excluding metal oxides, metal carbonate salts, and metal salts of fatty acids with 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 to 10.
C08F 136/02 - Homopolymers 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
Provided is a fluid pressure actuator in which a bamboo shoot part is formed on a free end side of the sealing member to enable engaging and retaining a cover member that is separate from the fluid pressure actuator.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
F16L 57/00 - Protection of pipes or objects of similar shape against external or internal damage or wear
A golf ball includes at least one intermediate layer formed between a core and a cover, wherein a standard deviation of a specific gravity of each layer of the core, the intermediate layer, the cover is within 0.07, and the cover is formed of a resin composition that includes the following components (I) and (II):
(I) polyurethane
(II) (meth)acrylic block copolymer,
and the cover satisfies the following condition (1):
A golf ball includes at least one intermediate layer formed between a core and a cover, wherein a standard deviation of a specific gravity of each layer of the core, the intermediate layer, the cover is within 0.07, and the cover is formed of a resin composition that includes the following components (I) and (II):
(I) polyurethane
(II) (meth)acrylic block copolymer,
and the cover satisfies the following condition (1):
0.1
≤
VR
L
×
V
R
H
≤
0
.
2
6
(
1
)
A golf ball includes at least one intermediate layer formed between a core and a cover, wherein a standard deviation of a specific gravity of each layer of the core, the intermediate layer, the cover is within 0.07, and the cover is formed of a resin composition that includes the following components (I) and (II):
(I) polyurethane
(II) (meth)acrylic block copolymer,
and the cover satisfies the following condition (1):
0.1
≤
VR
L
×
V
R
H
≤
0
.
2
6
(
1
)
[in the above condition, VRL represents a viscosity at 210° C. and a viscosity at 200° C. at a predetermined shear rate, and VRH represents a ratio between a viscosity η3 at 230° C. and a viscosity at 220° C. at the predetermined shear rate].
In a heavy-duty tire according to the present invention, a tread part is provided with a belt composed of one or more belt layers, and one or more belt reinforcement layers disposed on the outer side of the belt in the tire radial direction. The belt reinforcement layer is formed by coating reinforcement cords with rubber. Each of the reinforcement cords extends from one end to the other end of the belt reinforcement layer and is cut at the one end and the other end. Each of the reinforcement cords is furthermore divided at one or more locations between the one end and the other end. The number of inserted reinforcement cords is greater than the number of inserted belt cords in the belt.
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 9/18 - Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
In a heavy-duty tire according to the present invention, a tread part is provided with a belt composed of one or more belt layers, and one or more belt reinforcement layers disposed on the outer side of the belt in the tire radial direction. The belt reinforcement layer is formed by coating reinforcement cords with rubber. Each of the reinforcement cords extends from one end to the other end of the belt reinforcement layer and is cut at the one end and the other end. Each of the reinforcement cords is furthermore divided at one or more locations between the one end and the other end. The division positions of the reinforcement cords are positioned on the same straight line across the plurality of reinforcement cords.
This fluid pressure actuator 20 comprises: a tube 24 pair including a pair of parallel-aligned tubes 24 that expand and contract according to the pressure of a fluid; a sealing member 30 in which is formed an insertion portion 50 pair including a pair of insertion portions 50 into which the ends of the tubes 24 in the axial direction X are respectively inserted to seal the end of each of the tubes 24; a crimping member 36 that secures the tube 24 pair to the insertion portion 50 pair from the outer side of a sleeve 26; and a filler material 60 that is disposed in a recessed space 70 around the outer circumference of the insertion portion 50 pair across the facing portions, as viewed from the axial direction X, to contact the tube 24 pair and the sleeve 26 and fill the gap.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
The purpose is to provide a tread rubber composition that has exceptional abrasion resistance and puncture resistance without compromising other physical properties. In order to solve the problem, the present invention is a rubber composition containing a rubber component, carbon black, silica, and a resin, wherein the rubber component contains a high-purity natural rubber having a nitrogen content of 0.3 mass% or less, the resin has a softening point of 130°C or higher and the content thereof is 1 mass part or more per 100 mass parts of the rubber component, and the total content of the carbon black and the silica is 50 mass parts or more per 100 mass parts of the rubber component.
A pneumatic radial tire for passenger vehicles that satisfies a defined relationship between sectional width SW and outer diameter OD of the tire, and includes only two circumferential main grooves extending in a tire circumferential direction on a tread contact surface, a barycenter of the circumferential main grooves being positioned in a half portion of the tire on a vehicle-mounted outward side, which is one side of the tire in a tread width direction with a tire equatorial plane as a boundary. A drop height (or ground contact length relationship, or tread gauge relationship) is also defined.
Provided is a pneumatic tire in which a resin layer is firmly adhered to an outer surface. This pneumatic tire includes the resin layer on at least a part of the outer surface thereof, and is characterized in that the resin layer is disposed via an adhesive layer containing a copolymer having a conjugated diene unit and a non-conjugated olefin unit.
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
A tire molding drum according to the present disclosure comprises a plurality of segments that are disposed in the drum circumferential direction and form a drum outer peripheral surface where an outer surface in the drum radial direction can support a tire material. The plurality of segments include a partially expanding/contracting segment capable of forming a retreat surface in a portion of the drum outer peripheral surface in the drum circumferential direction by retreating inward in the drum radial direction with respect to an adjacent segment that is adjacent in the drum circumferential direction. The partially expanding/contracting segment includes: a mobile body that is movable in the drum radial direction; and a swing flap that is disposed so as to span the mobile body and the adjacent segment in the drum circumferential direction, and is pivotally supported by the adjacent segment so as to swing in the drum radial direction in conjunction with the movement of the mobile body in the drum radial direction.
A ply joint inspection method according to the present disclosure includes: a rubber member winding step for winding a belt-like rubber member on a drum outer circumferential surface of a molding drum; a separator disposing step for disposing a separator on a portion of the belt-like rubber member in the drum circumferential direction on an outer side in the drum radial direction; a ply winding step for winding a ply so as to cover the belt-like rubber member and the separator from the outer side in the drum radial direction; a jointing step for, while holding both end portions of the ply in the drum circumferential direction on the separator, abutting and jointing end surfaces of the both end portions to each other; and an inspection step for irradiating a joint part jointed by the jointing step with light from an inner side in the drum radial direction by a lighting part provided on the separator, and detecting a defect in the joint part by using passage light that passes through the joint part.
Provided is a tire mold that, while ensuring the strength required by a side mold, is capable of discharging, via mating surfaces of a tread mold and the side mold, gas that has accumulated in the interior of the tire mold. A tire mold (1) is provided with a mold (2) and a mold (3). A mating-surface-side inner surface (F31) of the mold (3) is inclined inward, and a through-hole (5) that opens in the mating-surface-side inner surface (F31) and a mating surface (Fm3) is formed in the mold (3). A communication groove (6) that leads to the through-hole (5) is formed in the mating surface (Fm3) of the mold (3). The communication groove (6) forms a communication path (R6) that leads to the through-hole (5) when the molds (2, 3) are mated. Furthermore, the mold (3) has, formed in the mating surface (Fm3), a recessed section (7) that leads to the communication groove (5). When the molds (2, 3) are mated, the recessed section (7) forms a filling space (S7) that communicates with the communication path (R6) and has a larger volume than the total volume of the through-hole (5) and the communication path (R6).
Provided is an extrusion device that, while allowing for simplification of configuration, can extrude each of a plurality of extrusion materials simultaneously and all together in a state in which variations in individual physical properties thereof are suppressed. An extrusion device (1) comprises: cylinders (22) that each have a space (R2) in which a screw (23) is accommodated; a plurality of operating pins (6) that can be moved out of and into the space (S22); and a plurality of actuators (5) that activate the plurality of operating pins (6). The actuators (5) are individually disposed at positions on an outer surface of the cylinder (22) so as to correspond respectively to the plurality of operating pins (6). A plurality of the cylinders (22) are disposed so that downstream ends of the cylinders (22) merge at a single shared discharge port (A2). The plurality of actuators (5) are each disposed in a region on the outer surface of the cylinder (22), within a range (R1) of a prescribed distance from the upstream end to the downstream end of the cylinder (22), where the actuator (5) will not interfere with the surrounding area.
B29C 48/49 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
The tire 10 is a tire 10 having a smooth pattern with substantially no grooves on a tread surface 11 of a tread portion 1 including tread rubber 1a, wherein on a side portion outer surface 21 of the tire 10, a plurality of ridges 30 protruding from the side portion outer surface 21 and extending in the tire circumferential direction, to check a remaining tread gauge to the tread rubber 1a reaches its wear limit, are provided spaced apart from each other in the tire radial direction.
A retreadability determination method includes a step (S1) of acquiring a state characteristic value, indicating a state of the tire, to be used in a first determination and a second determination, a step (S2) of executing the first determination, and a step (S9) of executing the second determination in a case in which it is determined in the first determination that the tire can be retreaded. The first determination is one of a chemical degradation state determination using a residual durability of the base tire calculated based on a chemical change in rubber material of the tire and a physical degradation state determination using a residual durability of the base tire calculated based on a state of physical damage to the tire, and the second determination is the other of the chemical degradation state determination and the physical degradation state determination.
A fluid pressure actuator 20 includes: a sealing member 30 in which is formed an insertion part 50 pair having a pair of insertion parts 50 into which end parts along an axial direction X of a tube 24 of a tube 24 pair are respectively inserted, said sealing member 30 sealing the end parts of the tubes 24; and a restraint member 28 which is provided from one end side to the other end side of the tube 24 pair in the axial direction X, and is held between opposing parts of the respective tubes 24 where the tubes face each other. For each of the insertion parts 50, the length in a width direction Y orthogonal to an alignment direction Z, in which the insertion parts 50 are aligned as viewed from the axial direction X, is greater than the length in the alignment direction Z.
F15B 15/10 - Fluid-actuated devices for displacing a member from one position to anotherGearing associated therewith characterised by the construction of the motor unit the motor being of diaphragm type
The present invention addresses the problem of providing a polymer that can be used as a tire material and is easily decomposed. The solution provided by the present invention is a copolymer characterized by containing a segment (A) derived from a butadiene-based polymer, a segment (B) derived from a biodegradable polyester, a segment (C) derived from polyethylene glycol, and a segment (D) derived from a polyisocyanate compound. The copolymer preferably furthermore contains a segment (E) derived from a diol compound having a molecular weight of 600 or lower in addition to than the segment (A) derived from a butadiene-based polymer, the segment (B) derived from a biodegradable polyester, the segment (C) derived from polyethylene glycol, and the segment (D) derived from a polyisocyanate compound.
In this invention, a width-direction sipe includes: a body part formed with a substantially constant sipe width along an extension direction of the width-direction sipe; and a widened part which is formed continuously with the body part and has a sipe width wider than the sipe width of the body part. The widened part is formed in the width-direction sipe at least on one side in a tire circumferential direction. In the widened part, on one side of the width-direction sipe in a tire width direction, a tire width-direction position of an end of the width-direction sipe on the one side in the tire circumferential direction is positioned further to the other side in the tire width direction than an end of the width-direction sipe on the one side in the tire width direction.
The present invention addresses the problem of providing a rubber composition for tires, which has improved workability in kneading while maintaining fracture resistance. The means for solving the problem is a rubber composition for tires, comprising a rubber component, a resin component, and a filler, and comprising or not comprising oil, characterized in that the rubber component contains an isoprene skeleton rubber and a styrene-butadiene rubber, the content of the resin component is 1 part by mass or more and less than 50 parts by mass with respect to 100 parts by mass of the rubber component, the resin component is at least partially hydrogenated, and the following formula is satisfied: 0.70 ≤ (the number of parts by mass of the resin component-the number of parts by mass of the oil)/the number of parts by mass of the isoprene skeleton rubber ≤ 1.18.
The present invention addresses the problem of providing a tire in which wet grip performance, low fuel consumption performance, and wear resistance performance are enhanced without degrading cut resistance, and which inhibits discoloration of the outer appearance. The solution is a tire (1) provided with a tread rubber layer (8) and belt layers (6A, 6B) positioned at the inner side in the radial direction of the tire. The tread rubber layer (8) comprises a rubber composite containing a specific modified SBR, an unmodified SBR, silica, a silane coupling agent (A) having a thiol group, and a silane coupling agent (B) having a sulfide bond. The contained amount of the silane coupling agent (A) and the total contained amount of the silane coupling agent (A) and the silane coupling agent (B) are within specific ranges. The belt layers (6A, 6B) include cords obtained by twisting together filaments which, when the diameter of the filaments is defined as X (mm) and the tensile strength is defined as Y (MPa), satisfy 4000-2000X≤Y≤4500-2000X.
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 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
C08K 3/013 - Fillers, pigments or reinforcing additives
The present invention addresses the problem of providing a tire in which wet grip performance, low fuel consumption performance, and wear resistance performance are enhanced without degrading maneuvering stability, and which inhibits discoloration of the outer appearance. The solution is a tire (1) provided with a tread rubber layer (8) and a belt (6) positioned at the inner side in the radial direction of the tire. The tread rubber layer (8) comprises a rubber composite containing a specific modified SBR, an unmodified SBR, silica, a silane coupling agent (A) having a thiol group, and a silane coupling agent (B) having a sulfide bond. The contained amount of the silane coupling agent (A), and the total contained amount of the silane coupling agent (A) and the silane coupling agent (B) are within specific ranges. The belt (6) includes a first belt layer (6A) and a second belt layer (6B) which contain steel cords. The distance between the centers of the steel cords in the first belt layer (6A) and the second belt layer (6B) is 0.6-1.0 mm.
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 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
B60C 9/00 - Reinforcements or ply arrangement of pneumatic tyres
C08K 3/013 - Fillers, pigments or reinforcing additives
The present invention addresses the problem of providing a tire in which wet grip performance, low fuel consumption performance, and wear resistance performance are improved and discoloration of appearance is suppressed without compromising steering stability. The solution to the problem is a tire characterized by comprising a tread rubber layer (9) positioned on the outermost surface of a tread part (4), and a reinforcing layer that is positioned on the radially inner side of the tread rubber layer (9) and that contains organic fiber cords, the tread rubber layer (9) being composed of a rubber composition containing a specific modified SBR, a non-modified SBR, silica, a silane coupling agent (A) having a thiol group, and a silane coupling agent (B) having a sulfide bond, the amount of the silane coupling agent (A) and the total amount of the silane coupling agent (A) and silane coupling agent (B) being within specific ranges, and the organic fiber cords having an elastic modulus of 4.0–30 mN/(dtex %) at 1–2% elongation.
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
B60C 1/00 - Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
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
C08K 3/013 - Fillers, pigments or reinforcing additives
In this pneumatic tire: first and second belt layers in a tire center part both measure no more than 1.00 mm in thickness; b > a; the length of a first rubber part in the direction toward the tire center part is greater than the length of a second rubber part in the direction toward the tire center part; and reinforcing cords of a belt reinforcement layer are organic fiber cords in which the cutting strength is at least 6.5 cN/dtex, the cutting elongation is at least 10%, and the elastic modulus at 7% elongation is at least 6.0 mN/(dtex %). The belt reinforcement layer is disposed in a tire-width-direction region between at least the end part of the first rubber part on the tire-center side and the end part of the second belt layer as seeb in a cross-sectional view in the tire-width direction.
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 purpose of the present invention is to provide a pneumatic tire with which wet grip performance, low fuel consumption and wear resistance are all attained to a high degree, and which has excellent discoloration resistance, without a deterioration in cut resistance. To this end, a pneumatic tire (1) includes a tread rubber layer (8) and a carcass ply (9) located inside the tread rubber layer (8) in the tire radial direction and obtained by coating PET fiber cords with a coating rubber. The tread rubber layer (8) comprises a rubber component, a filler, and a silane coupling agent, wherein the rubber component comprises a styrene/butadiene rubber (A) having a glass transition temperature of -50°C or lower and modified using a modifier including atoms of at least one kind selected from among nitrogen, silicon, and tin and an unmodified styrene/butadiene rubber (B) having a glass transition temperature higher by at least 30°C than that of the styrene/butadiene rubber (A). The carcass ply (9) satisfies relationship (1): (A/B)/(total cord fineness)≥0.3.
The present invention provides a golf ball in which dimples are formed on a ball surface, wherein when edge angles at points where depths are 10%, 20%, and 30% in a cross-section of one dimple are denoted as ED1, ED2, and ED3, respectively, dimples with a cross-sectional shape satisfying the following condition (1):
The present invention provides a golf ball in which dimples are formed on a ball surface, wherein when edge angles at points where depths are 10%, 20%, and 30% in a cross-section of one dimple are denoted as ED1, ED2, and ED3, respectively, dimples with a cross-sectional shape satisfying the following condition (1):
ED
1
<
ED
2
>
ED
3
(
1
)
The present invention provides a golf ball in which dimples are formed on a ball surface, wherein when edge angles at points where depths are 10%, 20%, and 30% in a cross-section of one dimple are denoted as ED1, ED2, and ED3, respectively, dimples with a cross-sectional shape satisfying the following condition (1):
ED
1
<
ED
2
>
ED
3
(
1
)
account for at least 10% of a total number of the dimples, and further a ratio A1 of a lift coefficient at a Reynolds number of 218,000 and a spin rate of 2,800 rpm to a drag coefficient, a ratio A2 of a lift coefficient at a Reynolds number of 184,000 and a spin rate of 2,900 rpm to a drag coefficient, and a ratio A3 of a lift coefficient at a Reynolds number of 158,000 and a spin rate of 3,100 rpm to a drag coefficient are optimized.
A tire that can indicate an area in which an electronic tag is embedded is provided. A tire includes an electronic tag disposed inside from a surface, and an indicator indicating the position of the electronic tag. The indicator is disposed in or on the surface, and formed in an area encompassing a projection image of the shape of the electronic tag onto the surface.
The tire 1 comprises a belt 6 and a tread surface 100, the belt 6 has: a plurality of intersecting belt layers 6a; and one or more circumferential belt layers 6b, the tread surface is provided with: a plurality of main grooves 110; a shoulder land portion 121; and an auxiliary groove 130 provided in the shoulder land portion, having a narrower width groove than the main grooves, and an outer groove wall 130a located on the outer side in the tire width direction of a pair of groove walls in the auxiliary groove is positioned either at the same tire widthwise position as an outermost end 6bg in the tire width direction of the one or more circumferential belt layers, or on the inner side in the tire width direction than the outermost end in the tire width direction of the one or more circumferential belt 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
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
An apparatus includes a turntable rotatable about a central axis between a first position and a second position, at least one hub coupled to the turntable, the at least one hub configured to receive at least one tire casing, and a rasp pedestal operable to allow a buffing operation on the at least one tire casing. The at least one hub includes a first hub configured to receive a first tire casing. In the first position, the buffing operation on the first tire casing is permitted, and, in the second position, the buffing operation on the first tire casing is inhibited.
Provided is a tire comprising at least one reinforcement layer in a tread portion, wherein the reinforcement layer includes a reinforcement element 2 consisting of a plurality of metal filaments 1 that are aligned in a single row without being twisted together, and crosslinked rubber 3 coating the reinforcement element 2, and the metal that constitutes the metal filaments 1 is steel whose surface is coated with a ternary plating of copper, zinc, and iron. This tire has a reinforcement layer with excellent adhesive durability between the steel cord and its coating crosslinked rubber and high fuel efficiency.
B60C 9/00 - Reinforcements or ply arrangement of pneumatic tyres
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
Provided are a rubber composition for a tire that has excellent processability and enables production of vulcanized rubber having excellent wear resistance and breaking strength, and a tread and a tire that have excellent wear resistance and breaking strength. The tire rubber composition contains a rubber component and carbon black having an oil absorption number of compressed sample of 105 mL/100 g to 122 mL/100 g, a cetyltrimethylammonium bromide specific surface area of more than 130 m2/g and not more than 153 m2/g, ΔD50/Dst of 0.75 to 0.88, an oil absorption number of not less than 120 mL/100 g and less than 143 mL/100 g, a difference between the oil absorption number of compressed sample and the oil absorption number of not less than 11 mL/100 g and less than 33 mL/100 g, and hydrogen evolution of not less than 2,300 mass ppm and less than 3,500 mass ppm.
In a golf ball having a core and a cover of at least one layer encasing the core, the core is formed of a rubber composition which includes (a) a base rubber, (b) a co-crosslinking agent which is an α,β-unsaturated carboxylic acid and/or a metal salt thereof, (c) a filler, and (d) a crosslinking initiator, and the base rubber (a) has a polybutadiene content of at least 90 wt % and a syndiotactic 1,2-polybutadiene content of from 5 to 30 wt %, the amount of filler (c) included is from 6 to 14 vol % of the rubber composition, and the ball has a specific gravity of 1.0 or more and an initial velocity of 75 m/s or less, as the result of which the golf ball maintains a low rebound, undergoes little change in properties due to changes in temperature and has an excellent durability.
This tire includes: a plurality of first shallow grooves that have a groove depth which is smaller than the sipe depth of a first sipe and the sipe depth of a second sipe, that extend in a first direction, and that cross the second sipe; and a plurality of second shallow grooves that have a groove depth which is smaller than the sipe depth of the first sipe and the sipe depth of the second sipe, that extend in a second direction, and that cross the first sipe.
The present invention addresses the problem of providing a rubber composition for a tire, with which it is possible to improve tire wet grip performance and workability, the composition having lower adhesion. The problem is solved by a rubber composition for a tire characterized by containing a rubber component (A), a resin component (B), and a filler (C), the rubber component (A) containing an isoprene skeleton rubber (A1) and a styrene-butadiene rubber (A2), the styrene-butadiene rubber (A2) containing a styrene-butadiene rubber (A2-1) having a weight average molecular weight of at least 700,000.
When each of the fluid pressure actuators contracts, the fluid pressure actuator of the grasping device is provided so that a tip portion of one of the fluid pressure actuators approaches a tip portion of other fluid pressure actuators, and a soft member is provided in a space on a proximal end portion side of the fluid pressure actuator surrounded by the plurality of the fluid pressure actuators.
This tire monitoring device comprises: an acquisition unit that acquires internal pressure information indicating a transition in internal pressure of a tire; an estimation unit that, on the basis of a change pattern that is a pattern of internal pressure changes indicated by the internal pressure information, estimates at least one cause that causes the internal pressure changes; and an output unit that outputs cause information indicating the estimated cause.
A tire monitoring device according to the present invention includes an acquisition unit that acquires internal pressure information that indicates the trend of the internal pressure of a tire, a prediction unit that predicts the timing at which the internal pressure of the tire will reach a threshold value on the basis of a pattern of change that is a pattern of internal pressure change that is indicated by the internal pressure information, and an output unit that outputs timing information that indicates the predicted timing.
The present invention addresses the problem of providing a tread rubber composition capable of suppressing cracks in a tread part of a tire. To solve the problem, provided is a tread rubber composition characterized by comprising a rubber component and an amine-based anti-aging agent represented by general formula (1) [in the formula, R11and R13are each independently hydrogen or a C1-C6 alkyl group, where the alkyl group may be substituted with an aromatic group, and R12 is hydrogen, a C1-C6 alkyl group, or an aromatic group, where the alkyl group may be substituted with an aromatic group].
The present invention addresses the problem of providing a sidewall rubber composition that has excellent ozone resistance even when anti-aging agent 6PPD is not used. In order to solve the problem, the present invention is characterized by comprising: a rubber component containing at least a natural rubber and a conjugated diene-based rubber having a butadiene rubber skeleton; an amine-based anti-aging agent represented by general formula (1) [Each R is independently a hydrogen atom or a C1-6 alkyl group, and the alkyl group may be substituted with an aromatic group. R' is a hydrogen atom, a C1-6 alkyl group, or an aromatic group, and the alkyl group may be substituted with an aromatic group.]; and a quinoline-based anti-aging agent.
In a golf ball having a core and a cover, the cover is formed of a resin composition made chiefly of a polyurethane resin having a crosslink density of at least 1.4×102 mol/m3 and not more than 35×102 mol/m3, so that the golf ball has an excellent controllability on approach shots and an excellent scuff resistance compared with golf balls having a conventional urethane cover.
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
Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where M is ruthenium, molybdenum, or the like, X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each 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 more alkyl groups, halogens, alkoxy groups, or the like), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step at a temperature of 300° C. to 950° C. in the presence of a catalyst.
The problem to be solved by the present disclosure is to provide a rubber composition that achieves both low fuel consumption performance and durability. The solution is a rubber composition including a diene-based rubber (A), a heterocyclic compound (B) having at least one heterocyclic ring selected from the group consisting of pyrimidine, pyridazine, pyrazine, triazine, and tetrazine rings, and a metal salt (C), wherein the bond dissociation energy between the metal salt (C) and the heterocyclic compound (B) is 200 kJ/mol or more.
Provided is a method for producing chemical products, including: a pyrolysis step of obtaining a first gas fraction, a pyrolysis oil, and a residual fraction by pyrolysis of a crushed material of a waste material including waste tires; a hydrogenolysis step of obtaining a second gas fraction, a light fraction with a boiling point of 350° C. or lower, and a heavy fraction with a boiling point higher than 350° C. by hydrogenolysis of a raw material oil containing at least a part of the pyrolysis oil; and a steam-cracking step of obtaining a chemical product by steam cracking of a steam-cracking raw material oil containing at least a part of the light fraction.
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
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
A tread extractor assembly for removing a molded article from a mold is provided. The tread extractor assembly includes a chassis, a first spindle rotatably coupled to the chassis, and a second spindle rotatably coupled to the chassis. The first spindle is configured to rotate in a first direction and the second spindle is configured to rotate in a second direction opposite to the first direction. The first spindle and the second spindle are disposed to extend substantially in parallel to one another and are separated by a gap. The gap is configured to receive a portion of the molded article such that the portion of the molded article is clamped between the first spindle and the second spindle during extraction of the molded article from the mold.
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
Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where M is ruthenium, molybdenum, etc., X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, etc. (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, etc.), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step under an inert gas atmosphere and in the absence of a catalyst at a temperature of 600° C. to 950° C.
Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where M is ruthenium, molybdenum, etc., X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, etc. (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, etc.), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step under an inert gas atmosphere and in the absence of a catalyst at a temperature of 600° C. to 950° C.
C07C 4/22 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
B01J 31/18 - Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony
C08J 11/28 - 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 by treatment with organic compounds containing nitrogen, sulfur or phosphorus
Provided is a method of decomposing a crosslinked rubber that can improve monomer yield. The method of decomposing a crosslinked rubber includes: a first decomposition step of pyrolyzing a crosslinked rubber containing a rubber component that includes a diene-based rubber at not lower than 150° C. and not higher than 400° C.; and a second decomposition step of further pyrolyzing a decomposition product obtained through the first decomposition step at not lower than 600° C. and not higher than 950° C. in an inert gas atmosphere and in the absence of a catalyst. The first decomposition step is preferably performed 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
C07C 4/22 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
Provided are an adhesive composition that can ensure desired adhesiveness without using resorcin and does not impair workability in use, as well as an organic fiber material, a rubber article, an organic fiber-rubber composite and a tire using the adhesive composition. The adhesive composition of the present disclosure contains (A) rubber latex having unsaturated diene, and (B) a compound containing an acrylamide structure having a cationic group and/or a carboxyl group.
D06M 11/76 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
D06M 13/184 - Carboxylic acidsAnhydrides, halides or salts thereof
D06M 15/01 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
D06M 15/285 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
D06M 15/693 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with macromolecular compoundsSuch treatment combined with mechanical treatment with natural or synthetic rubber, or derivatives thereof
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
Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where Mis ruthenium, molybdenum, etc., X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, etc. (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, etc.), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step under an inert gas atmosphere and in the absence of a catalyst at a temperature of 300° C. to 450° C.
Provided is a method of decomposing a crosslinked rubber that includes: a first decomposition step of decomposing a crosslinked rubber containing a diene rubber, using a catalyst represented by the following general formula (1), (2), or (3), where Mis ruthenium, molybdenum, etc., X1, X2, L1, L2, and L3 each independently represent a ligand, R1, R2, and R3 each independently represent hydrogen, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, etc. (these groups may be substituted by one or more alkyl groups, halogens, alkoxy groups, etc.), L1 and L2, R1 and R2, and L1 and R1 may respectively bond with each other to form rings; and a second decomposition step of pyrolyzing a decomposition product obtained by the first decomposition step under an inert gas atmosphere and in the absence of a catalyst at a temperature of 300° C. to 450° C.
C08J 11/28 - 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 by treatment with organic compounds containing nitrogen, sulfur or phosphorus
