About 24 results
https://drivepatents.com/patents/999354 · 15 Aug 2012
A pneumatic tire has a tread rubber (10) which is formed by a nonconductive rubber (11, 12) and includes a conductive portion (13). The conductive portion (13) comprises a first, second, third and fourth conductive portions (13a-13d). The first conductive ...
https://drivepatents.com/patents/999298 · 15 Aug 2012
A pneumatic tire has a tread rubber (10) formed by a nonconductive rubber and a side wall rubber (9) formed by the nonconductive rubber. An outer surface of the side wall rubber (9) is provided with a band-like diametrical conductive portion (12) which is ...
https://drivepatents.com/patents/1000989 · 27 Jun 2012
A manufacturing method of a pneumatic tire in which a tread rubber (10) formed by a nonconductive rubber is arranged in a tread portion (3), and a conductive portion (13) which is formed by a conductive rubber and reaches a carcass layer (7) or a belt laye...
https://drivepatents.com/patents/1001212 · 20 Jun 2012
A pneumatic tire comprises, on a tread surface, a circumferential groove (1a-1d) which extends in a tire circumferential direction, a land portion (2-4) which is zoned by the circumferential groove, and a plurality of lug grooves (6) in which one end is op...
https://drivepatents.com/patents/1001134 · 20 Jun 2012
A pneumatic tire (T) has a conductive portion (13), formed by a conductive rubber, provided in the tread rubber (10) formed by a nonconductive rubber. The conductive portion (13) has an outer skin portion (13a) and a projection portion (13b). The outer ski...
https://drivepatents.com/patents/1002300 · 16 May 2012
A pneumatic tire (T) has a tread rubber (10) provided in a tread portion (3). The tread rubber (10) comprises a cap rubber (12) which forms a contact surface, a base rubber (11) arranged in an inner peripheral side of the cap rubber (12), and a cushion rub...
https://drivepatents.com/patents/1003161 · 25 Apr 2012
A vibration-proof apparatus which enables the structure of a resin die to be simplified. A vibration-proof apparatus comprising: a coupling member (10) consisting of a resin material and provided with leg part (13) in which thin and thick elastic members (...
https://drivepatents.com/patents/1007162 · 14 Dec 2011
A tread rubber (10) includes a cap portion (12) formed by a nonconductive rubber, a base portion (11) formed by a non-conductive rubber, and a conductive portion (13) formed by a conductive rubber. The rubber hardness of the cap portion (12) is higher than...
https://drivepatents.com/patents/1015044 · 16 Mar 2011
In a pneumatic tire of the present invention provided with a pair of bead cores, a troidal-shaped carcass surrounding said bead cores, a tread rubber, a carcass, a plurality of belt layers 6 reinforced by a steel cords 7, wherein in at least one of said be...
https://drivepatents.com/patents/1015305 · 2 Mar 2011
A pneumatic tire has a center rib extending along a tire circumferential direction in a center portion of a tread surface. A width of the center rib is equal to or more than 10 % of a grounding width. An outside rubber having a relatively high tension modu...