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1. 发明授权

US4976300A Pneumatic tire profile 失效
标题翻译：气动轮胎型材
公开(公告)号：US4976300A
公开(公告)日：1990-12-11
申请号：US341218
申请日：1989-04-21
申请人： Kenji Takehara , Kenji Saitou
发明人： Kenji Takehara , Kenji Saitou
IPC分类号： B60C3/04 , B60C11/00
CPC分类号： B60C3/04 , B60C11/00
摘要： A pneumatic tire in which various tire performances, such as wear resistance, uneven wear resistance, fuel economy and the like are all improved in a good balance is disclosed, whereina first point gap LA defined as the radial distance between a standard first point An on the tire equator on the tread face Tn when the tire is inflated to a standard internal pressure and a 10% first point As on the tire equator on the tread face Ts when the tire is inflated to 10% of said standard internal pressure is smaller than 1.0 mm,a third point gap LC defined as the radial distance between a standard third point Cn on said trade face Tn spaced apart 0.45 times of the tread width TWn from said standard first point An and a 10% third point Cs defined as the intersection of the radial line passing through said standard third point Cn with said tread face Ts is 1.0 mm or larger and smaller than 4.0 mm, andthe ratio LC/LA of said third point gap LC to said first point gap LA is 4.0 or larger.

2. 外观设计

USD290104S Automobile tire 失效
公开(公告)号：USD290104S
公开(公告)日：1987-06-02
申请号：US657519
申请日：1984-10-04
申请人： Kenji Takehara
设计人： Kenji Takehara

3. 发明授权

US4957151A Radial tire for passenger cars including folded band layer at the belt edges 失效
标题翻译：乘用车用轮胎，包括带边缘处的折叠带
公开(公告)号：US4957151A
公开(公告)日：1990-09-18
申请号：US207964
申请日：1988-06-17
申请人： Kenji Takehara
发明人： Kenji Takehara
IPC分类号： B60C9/18 , B60C3/04 , B60C9/20 , B60C9/26
CPC分类号： B60C11/0083 , B60C11/0332 , B60C3/04 , B60C9/26 , B60C2009/1864
摘要： A radial tire for passenger cars, comprising: a pair of bead cores; a radial carcass ply, the edges of which are turned up around bead cores; a tread; a belt layer composed of at least two plies of steel cords; and band layers folded over at the edges of the belt layer to form an upper layer portion radially outside the belt layer and a lower layer portion radially inside the belt layer, wherein the band layers are composed of organic fiber cords inclined by 5 to 45 degrees to the circumferential direction of the tire. A gap distance G1 between the upper layer portions of the band layers is in a range of 35 to 65% of the width WB of the belt layer, and the width W2 of the lower layer portion is longer than the width W1 of the upper layer portion and their difference W2-W1 is in a range from 5 to 20 mm. Preferably, the surface of the tread, when the tire is inflated to 5% of the standard internal pressure, is composed of a pair of external arc portions with a radius of curvature (TR2) and an internal arc portion therebetween with a radius of curvature (TR1), and the ratio (TR2/TR1) thereof is in a range from 0.15 to 0.45 and furthermore each of the intersections P thereof is located between the axially inner edge of the lower layer portion and the axially outer edge of a duplicated portion in which the at least two steel cord plies of the belt layer duplicate with each other.

4. 发明授权

US4930559A Pneumatic tire 失效
标题翻译：气动轮胎
公开(公告)号：US4930559A
公开(公告)日：1990-06-05
申请号：US213304
申请日：1988-06-29
申请人： Kenji Takehara , Yoshiyuki Takada
发明人： Kenji Takehara , Yoshiyuki Takada
IPC分类号： B60C3/04 , B60C9/20
CPC分类号： B60C3/04 , B60C11/0083 , B60C11/0332 , B60C9/2009
摘要： A pneumatic tire comprising: a pair of bead cores; a carcass turned over at its both ends around the bead cores; a tread on the carcass; a belt comprising at least two plies of steel cords and dispsoed radially outside the carcass; a pair of inner bands disposed between the carcass and the belt and each having strecthable cords made of organic fibers, the inner band cords laid substantially parallel to the tire equator; and the axially outer edge of the inner bands and the edges of a widest ply of the belt being substantially trued up, whereby both steering stability and high speed durability are improved.

5. 外观设计

USD273000S Vehicle tire 失效
公开(公告)号：USD273000S
公开(公告)日：1984-03-13
申请号：US318196
申请日：1981-11-04
申请人： Kenji Takehara
设计人： Kenji Takehara

6. 外观设计

USD272998S Vehicle tire 失效
公开(公告)号：USD272998S
公开(公告)日：1984-03-13
申请号：US296249
申请日：1981-08-26
申请人： Kenji Takehara
设计人： Kenji Takehara

7. 发明授权

US5200006A Pneumatic tire with uniform ground pressure at the tread face 失效
标题翻译：具有均匀地面压力的气动轮胎
公开(公告)号：US5200006A
公开(公告)日：1993-04-06
申请号：US362019
申请日：1989-06-06
申请人： Kenji Takehara
发明人： Kenji Takehara
IPC分类号： B60C3/04 , B60C9/08 , B60C9/18 , B60C9/20 , B60C9/22 , B60C11/00
CPC分类号： B60C3/04 , B60C11/0083 , B60C11/0332 , B60C9/2009
摘要： A pneumatic tire having a uniformed ground pressure distribution, in which the tire has an inner band divided into a pair of spaced apart parts composed of extensible organic fiber cords arranged substantially parallel to the equator and disposed between the carcass and the belt so as to substantially align each of the axially outer edges of the parts of the inner band with each of the outer edges of the belt ply having the largest axial width, and the tread face comprises an internal arc portion with a radius of curvature TR1 and an external arc portions with a radius of curvature TR2, wherein the TR2/TR1 ratio is in a range from 0.15 to 0.45 when the tire is mounted on a regular rim and inflated to 5% of the standard internal pressure, and the boundary point P of the internal arc portion and each external arc portion is located between the axially inner edge of each of the parts of inner band and the axially outward start point of the overlap area where at least two belt plies overlap in the axial direction of the tire.

8. 外观设计

USD288079S Automobile tire 失效
公开(公告)号：USD288079S
公开(公告)日：1987-02-03
申请号：US629470
申请日：1984-07-10
申请人： Kenji Takehara
设计人： Kenji Takehara

9. 外观设计

USD287838S Automobile tire 失效
公开(公告)号：USD287838S
公开(公告)日：1987-01-20
申请号：US658875
申请日：1984-10-09
申请人： Kenji Takehara
设计人： Kenji Takehara

10. 外观设计

USD279366S Vehicle tire 失效
公开(公告)号：USD279366S
公开(公告)日：1985-06-25
申请号：US487669
申请日：1983-04-22
申请人： Kenji Takehara
设计人： Kenji Takehara

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