About 71 results
https://drivepatents.com/patents/953079 · 24 Feb 2016
A tread kerf (or sipe or fine groove) of a snow tire, formed in the outer surface of a tread block of the snow tire in a depth direction of the block in a shape of a trapezoidal wave (100), extending along the outer surface of the block, wherein the distan...
https://drivepatents.com/patents/956317 · 28 Oct 2015
A shoulder main body portion 42 of a first shoulder block 41 is formed with a step portion 44 projecting out in a tire circumferential direction S. A height of the step portion 44 is set lower than a height of a tread face of the shoulder main body portion...
https://drivepatents.com/patents/948644 · 30 Sep 2015
A pneumatic tire comprises a tread portion provided with a shoulder main groove and shoulder blind grooves. The shoulder blind grooves extend axially inwardly from one of the tread edges and each having an axially inner blind end. The shoulder main groove ...
https://drivepatents.com/patents/949559 · 12 Aug 2015
The present invention provides a pneumatic tire capable of exhibiting improved on-snow cornering performance on a snowy road and improved on-ice cornering performance on an icy road surface. Specifically, the pneumatic tire comprises: a tread portion (1) i...
https://drivepatents.com/patents/960755 · 13 May 2015
A groove bottom (50B2) of a groove in a tire (1) is provided with multiple protrusions (500). The protrusions (500) extend from one side wall (50B1) to the other side wall (50B3) opposed to the one side wall (50B1), said side walls forming the groove. The ...
https://drivepatents.com/patents/960728 · 13 May 2015
By adopting an appropriate block pattern, a pneumatic tire guarantees the tire ground contact area without impairing drainage performance and enhances on-ice performance. On the tread are formed land portions (5a, 5b) defined by at least one circumferentia...
https://drivepatents.com/patents/960737 · 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/952273 · 11 Feb 2015
Provided is a pneumatic tire used with a specified rotation direction, including a tread, a pair of sidewalls extending continuously from the tread inward in a tire radial direction, a pair of beads continuous with the sidewalls inward in the tire radial d...
https://drivepatents.com/patents/963565 · 28 Jan 2015
A pneumatic tire is mounted on a vehicle so a first side in a tire width direction corresponds to a vehicle outer side. A tread surface of the pneumatic tire has four circumferential main grooves (52, 54, 56, 58) extending in a tire circumferential directi...
https://drivepatents.com/patents/965671 · 31 Dec 2014
A pneumatic tire adapted to effectively suppress temperature rise of a tread portion during loaded rolling of the tire, and sufficiently suppress failure of the tread portion due to the temperature rise. The tread portion of the pneumatic tire extends betw...