About 74 results
https://drivepatents.com/patents/949730 · 29 Jul 2015
A pneumatic tire comprises a tread portion 2 which is divided into shoulder land portions 6, 7 and crown land portions 8, 9. by shoulder main grooves 3, 4 and a center main groove 5. The total width of the circumferential grooves 3, 4 and 5 is 24 % to 28 %...
https://drivepatents.com/patents/950330 · 10 Jun 2015
Vehicle pneumatic tire, in particular for use under winter driving conditions, with an asymmetrical tread pattern and having an outer area (A), an inner area (I) as well as a central area (Z), wherein the tread pattern in all sub-areas has profile blocks (...
https://drivepatents.com/patents/960791 · 13 May 2015
A tire (1) is provided with multiple projection parts (500) in a groove bottom (50B2) of a groove portion. The projection parts (500) extend from one side wall (50B1) to the other side wall (50B3) opposed to the one side wall (50B1), the side walls forming...
https://drivepatents.com/patents/960740 · 13 May 2015
A tire (1) has a groove bottom (50B2) of a groove wherein multiple protrusions (500) are disposed. The protrusions (500) extend from one side wall (50B1) that forms the groove to the other side wall (50B3) opposed to the one side wall (50B1) . The protrusi...
https://drivepatents.com/patents/951232 · 22 Apr 2015
A tire 1 includes a circumferential direction main groove 100 extending in a circumferential direction on a tread surface, first and second circumferential direction supplemental grooves 210, 220 extending in the circumferential direction and located on bo...
https://drivepatents.com/patents/963888 · 21 Jan 2015
Provided is a pneumatic radial tire which is configured so that circumferential main grooves to be provided on a tread surface are suitably defined in shape.
https://drivepatents.com/patents/968408 · 22 Oct 2014
A middle land portion includes middle sipes and middle lateral grooves. A shoulder land portion includes shoulder lateral grooves and shoulder sipes. A ratio Ems/Ema is smaller than a ratio Ess/Esa. Ems denotes a total of elements of edge lengths of the mi...
https://drivepatents.com/patents/969427 · 1 Oct 2014
The tire includes a tread portion to come into contact with a road surface. A lateral groove portion extending in a direction intersecting with a tire circumferential direction, and a land portion partitioned by the lateral groove portion are formed in the...
https://drivepatents.com/patents/969603 · 24 Sep 2014
A pneumatic tire comprises a tread portion provided with an inboard shoulder main groove, an outboard shoulder groove, and a center main groove provided therebetween, to form an outboard shoulder portion, an inboard shoulder portion, an inboard middle port...
https://drivepatents.com/patents/969902 · 17 Sep 2014
A pneumatic tire whose mounting location on a vehicle is specified and which comprises a belt disposed radially outside the carcass and composed of belt cords laid at an angle of from 15 to 40 degrees with respect to the tire circumferential direction, and...