About 40 results
https://drivepatents.com/patents/952903 · 2 Mar 2016
To provide a pneumatic tire capable of improving the rolling performance, low noise performance and wear resistance performance while maintaining the wet performance. [0002] It is a pneumatic tire (1) provided in the tread portion (2) with a plurality of m...
https://drivepatents.com/patents/946773 · 20 Jan 2016
A pneumatic tire includes a narrow groove on a tread surface, inclined from the tire circumferential direction, groove width being smaller than groove depth, and an air inflow part opening to the tread surface and formed on one of the opposing groove walls...
https://drivepatents.com/patents/957975 · 2 Sep 2015
A pneumatic tire, while achieving excellent drainage performance by projections and depressions formed in a circumferential groove, can reduce road noise by making the circumferential stiffness of a land portion uniform even in the presence of such project...
https://drivepatents.com/patents/950075 · 15 Jul 2015
A heavy duty pneumatic tire includes a tread portion 2 provided with circumferentially extending zigzag shaped main grooves 3 , a plurality of land portions 4 separated by the main grooves, and a plurality of lateral grooves 5 to form a plurality of block ...
https://drivepatents.com/patents/967164 · 19 Nov 2014
A pneumatic tire includes a tread portion provided with at least one circumferentially extending main groove (3, 4), and at least one lateral groove (11) extending from the main groove. The at least one lateral groove (11) comprises a bottom (18), and at l...
https://drivepatents.com/patents/967569 · 5 Nov 2014
A heavy duty tire includes a tread portion provided with a pair of circumferential main grooves (3) including at least one zigzag groove (6), lateral grooves (4) extending between the main grooves (3) to form center blocks (5) therebetween, and lug grooves...
https://drivepatents.com/patents/975706 · 23 Apr 2014
The tire has tread bands including profile ribs that extend in a circumferential direction and are separated from each other by peripheral grooves. A groove bottom (4) is inclined relative to an axial direction below an acute angle (beta) of upto 20 degree...
https://drivepatents.com/patents/976923 · 26 Mar 2014
The tire has a lateral groove (4) that is arranged in positive profile limiting circumferential grooves (2,3), and whose ends are located within the positive profile. The lateral groove has a straight running base groove (5) with specific width in inner re...
https://drivepatents.com/patents/977830 · 5 Mar 2014
Provided is a pneumatic tire capable of yielding excellent water-draining performance, while reducing air column resonance. This pneumatic tire (1) has a tread (3) and at least one ply (2) arranged toward the interior of the tread in the radial direction. ...
https://drivepatents.com/patents/980265 · 1 Jan 2014
The invention controls irregular wear in the shoulder land portions and reduces the occurrence of cracking in the shoulder grooves of a pneumatic tire. To that end, the groove wall surface (17a) on the shoulder land portion (19) side of the shoulder groove...