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Patent Searching and Data


Matches 1 - 50 out of 9,502

Document Document Title
WO/2019/026435A1
The problem addressed by this invention is to provide a pneumatic tyre which exhibits a superior balance between low-loss properties and steering stability. The means for solving the problem is a pneumatic tyre having a bead portion (1) ...  
WO/2019/016467A1
The invention relates to a tyre with a radial carcass ply, consisting of a single layer (7) of reinforcement elements, which is turned up around a bead wire (4) such as to be anchored in each of the beads. According to the invention, the...  
WO/2019/016459A1
The invention relates to a tyre of the heavy duty vehicle type, intended to be mounted on a drop-centre (15° drop centre) wheel rim. According to the invention, two working crown layers and at least one layer of circumferential reinforc...  
WO/2019/012924A1
The chafer (100) of this heavy-duty tire (10) is provided between a bead core (61) and a carcass (40) and is formed from organic fiber. (L1/L2)≤(5/12) is satisfied where: L1 is the linear distance between a bead innermost position (61p...  
WO/2019/008247A1
The invention relates to a tyre with a radial carcass reinforcement formed by a single layer (2) of reinforcement elements, turned up around a bead wire such as to be anchored in each of the beads. According to the invention, the turned ...  
WO/2019/002793A1
Wheel rim (3) for a tyre, the rim having an axis of rotation DD', the said rim comprising a rim seat (31) extended axially outwards by a rim flange (32), the said rim flange (32) comprising a first portion (321) oriented substantially in...  
WO/2019/002726A1
The invention concerns a heavy goods vehicle tyre, intended to be mounted on a hollow, 15° drop centre rim. According to the invention, the two working crown layers alone constitute the crown reinforcement over at least 40% of the width...  
WO/2019/002792A1
The invention relates to a rolling assembly comprising a tyre (2) having two beads (21), a rim (3) and at least one flexible expander (1) intended to provide the connection between one of the beads (21) and the rim (3), the rim having a ...  
WO/2019/002743A1
A rolling assembly comprising a tyre (2) having two beads (21), a rim (3) and two flexible adapters (1) providing the join between one of the beads (21) and the rim (3); the rim flange (32) has an axial width Wr; the tyre (2) bead (21) h...  
WO/2019/002794A1
Wheel rim (3) for a rolling assembly with flexible extender, the rim having an axis of rotation DD', the said rim comprising a rim seat (31) extended axially outwards by a rim flange (32), the said rim flange (32) comprising a first port...  
WO/2018/235505A1
This production method for a bead core includes: an annular body formation step in which a strip member, comprising at least one bead wire coated in a coating resin, is wound and an annular body is formed; and a resin coating step in whi...  
WO/2018/235499A1
A bead member that comprises an annular resin bead filler. A radial-direction portion of the bead filler is provided with a easily-deformed part that deforms easily in the axial direction.  
WO/2018/235506A1
This bead core production method includes: a formation step in which a plurality of at least one type of annular body are formed that comprise a strip member wound at least twice therein, said strip member comprising at least one bead wi...  
WO/2018/235569A1
This run-flat tire comprises: a pair of bead cores; a carcass that straddles the pair of bead cores, edge sections thereof being locked to the bead cores; resin bead fillers that extend along an outer surface of the carcass, from the bea...  
WO/2018/235502A1
A bead member that comprises an annular bead core and a bead filler that is positioned on the outside of the bead core in the radial direction of the bead core. The bead filler comprises a resin filler part and a rubber filler part that ...  
WO/2018/235501A1
A pneumatic tire in which a pair of bead fillers that are positioned on either side of a tire equatorial plane are each formed from a resin material and are asymmetrical with respect to the tire equatorial plane.  
WO/2018/235504A1
This bead core is for an annular body having a strip member wound and stacked therein, said strip member comprising at least one bead wire coated in a coating resin. In the axial direction cross-section of the annular body, the strip mem...  
WO/2018/235570A1
This run-flat tire comprises: a pair of bead cores; a carcass that straddles the pair of bead cores, edge sections thereof being locked to the bead cores; a side reinforcement rubber that is provided to a tire side section and extends in...  
WO/2018/235507A1
This bead core is annular and comprises at least one bead wire wound a plurality of times therein. The cross-sectional shape of the bead wire is noncircular. In the axial direction cross-sectional view of the bead core, the bead wire has...  
WO/2018/235503A1
This bead core has an annular body having a strip member wound and stacked therein, said strip member comprising at least one bead wire coated in a coating resin. In the axial direction cross-section of the annular body, the interface be...  
WO/2018/235500A1
A production method for a pneumatic tire, the production method including a vulcanization step for vulcanizing an unvulcanized tire 1' inside a vulcanization mold. A bead core 60 of the unvulcanized tire has a bead wire bundle 62 and a c...  
WO/2018/230272A1
This resin-metal composite member for tires comprises a metallic member (27), an adhesive layer (25), and a coating resin layer (28) in that order. The adhesive layer (25) contains a polyester thermoplastic elastomer comprising a polar f...  
WO/2018/230273A1
This resin-metal composite member for a tire has a metal member (27), an adhesive layer (25), and a cover resin layer (28) in the stated order, wherein the adhesive layer (25) includes a polyester thermoplastic elastomer having a polar f...  
WO/2018/230271A1
A resin-metal composite member for a tire having a metal member (27), an adhesive layer (25), and a cover resin layer (28) in the stated order, wherein the adhesive layer (25) contains: a polyester thermoplastic elastomer having a polar ...  
WO/2018/230249A1
This resin-metal composite member for a tire has a metal member, an adhesive layer, and a cover resin layer in the stated order, wherein the adhesive layer has: a continuous phase containing a polyester thermoplastic elastomer having a p...  
WO/2018/230250A1
A resin-metal composite member for a tire having a metal member, an adhesive layer, and a cover resin layer in the stated order, wherein the adhesive layer has a continuous phase containing a polyester thermoplastic elastomer having a po...  
WO/2018/225284A1
In a pneumatic radial tire, the plies of a carcass 10 comprise: a turn-up ply 11 composed of a body part 11a between a pair of bead cores 6, and a turnback part 11b that is turned back, from the inner side in the tire width direction tow...  
WO/2018/221595A1
In order to provide a rubber composition capable of simultaneously suppressing the dependence of the rubber properties on the vulcanization temperature and improving the rupture properties without worsening the heat build-up property, th...  
WO/2018/203504A1
Provided is a bead ring in which the true strain, tensile strength, and yield strength of bead wires constituting the bead ring are set to specific ranges, whereby the processability during molding can be improved while minimizing produc...  
WO/2018/198435A1
Provided is a bias tire capable of improving durability. This bias tire comprises: a pair of bead cores; a bead filler disposed on the outside of each of the pair of bead cores in the tire radial direction; a carcass layer spanning the r...  
WO/2018/194038A1
Provided are: a cable bead which can be lightened while the breaking pressure resistance thereof is maintained; and an airplane tire using the same. Provided is a cable bead 10 including: a core 1 comprising an annularly formed steel; an...  
WO/2018/193700A1
In order to improve steering stability while achieving lighter mass and reduction in rolling resistance, the pneumatic tire 1 is provided with one carcass ply 20 having a ply turn-up 22 and a reinforcement layer 40 disposed between the p...  
WO/2018/186458A1
The purpose of the present invention is to provide a rubber composition having good abrasion resistance and excellent low-loss properties. In order to achieve the foregoing, the present invention is characterized by comprising: a rubber ...  
WO/2018/186271A1
The present invention relates to a metal-resin composite member for a tire, the metal-resin composite member comprising a plurality of metal cords arranged in parallel, an adhesive layer provided on the metal cords, and a resin layer pro...  
WO/2018/181112A1
Provided is a pneumatic tire that can exhibit performance similar to or exceeding that of the prior art, while weight is reduced using a composite cord comprising a material other than a metal in a bead core. A pneumatic tire comprising ...  
WO/2018/163577A1
Provided are a pneumatic tire capable of maintaining rib assembling property favorably even when a sidewall portion is thinned out, and a method for manufacturing the pneumatic tire. The pneumatic tire has: a tread portion extending in t...  
WO/2018/159035A1
The purpose of the present invention is to suppress the occurrence of separation along the edges of all chafers. A pneumatic tire 1 comprises: a carcass layer 13 that is disposed so as to enclose a bead core 11 and a bead filler 12 and b...  
WO/2018/153363A1
Disclosed is a novel inflatable tire without an inner tube (10). The stiffness and/or the strength of a tire bead part (18) on one side of the tire (10) is greater, a tire lip (17) on one side of the tire bead part whose stiffness and/or...  
WO/2018/135374A1
This pneumatic tire comprises a pair of bead cores 11 which are formed by winding a bead wire 111 annularly and in multi-layered fashion. When viewed in a cross section taken in the radial direction, the bead core 11 has a hexagonal wire...  
WO/2018/128132A1
Provided is a pneumatic tire for two-wheeled motor vehicles, having improved durability of a bead portion than in the prior art. The pneumatic tire comprises: a tread portion formed in an annular shape; a sidewall portion and bead portio...  
WO/2018/116646A1
Provided is a run-flat tire having both good run-flat durability performance and ride quality performance. This run-flat tire includes: side reinforcement rubber 10 between a carcass layer 6 and an inner liner layer 9 in a side wall sect...  
WO/2018/109328A1
A tyre having an axis of rotation and comprising at least one carcass reinforcement capped radially and externally with a crown reinforcement, itself disposed radially inside a tread, said crown reinforcement being formed by at least one...  
WO/2018/110668A1
In order to ensure durability and reduce weight, a pneumatic tire 1 is configured such that: a tire outer surface contour line 30 from a side wall section 4 to a bead section 10 includes a contour circular arc 31 connected to a bead heel...  
WO/2018/109309A1
Rolling assembly having an axis of rotation and comprising: - a tyre (P) having two beads (B), each linked to a sidewall (1); - a rim having two seats for receiving a tyre, said rim comprising a rigid central portion and comprising two a...  
WO/2018/105419A1
This heavy duty tire (1) is provided with: a bead core (5) formed by annularly winding a bead wire (8) a plurality of times; and a rubber sheet (10) consisting of a rubber material. The rubber sheet (10) is wrapped on a region including ...  
WO/2018/105717A1
Provided is a pneumatic tire for which weight reduction can be achieved while maintaining excellent durability and steering stability. A pneumatic tire having a carcass layer (4) installed between a pair of bead portions (3), wherein the...  
WO/2018/088628A1
The present invention relates to a styrene-butadiene rubber compound and a rubber composition comprising the same for a tire bead filler and, more specifically, to a styrene-butadiene rubber compound capable of enhancing rigidity and har...  
WO/2018/083939A1
This pneumatic tire is provided with: a pair of bead cores; and a carcass comprising a single carcass ply provided with a body section extending toroidally continuously between the pair of bead cores, the carcass ply being also provided ...  
WO/2018/079564A1
The present invention prevents uplift of a bead toe. In the meridional cross-section of the tire in a state in which the tire is not mounted on a rim, the following are defined: a first line segment D which is parallel to the bottom 22 o...  
WO/2018/072792A1
The invention relates to a tensioning device for clamping tyre beads (2) filled with compressed gas (15), said beads being arranged on lateral surfaces (18, 18') at a distance from a running surface (19), with the two rims (4, 4') opposi...  

Matches 1 - 50 out of 9,502