About 18 results
https://drivepatents.com/patents/1387153 · 29 Apr 2026
A pneumatic tire is provided which achieves a rigidity improvement in acute angle areas of blocks, thereby improving the durability and traction of the tire. A tire includes a tread (10). The tread (10) includes central blocks (70) defined by grooves (12)....
https://drivepatents.com/patents/1398527 · 19 Nov 2025
Provided is a tire that can provide improved braking performance on ice and running performance on snow. Provided in a tread portion are a plurality of circumferential main grooves, a plurality of lug grooves extending in a direction intersecting the circu...
https://drivepatents.com/patents/964218 · 7 Jan 2015
Pneumatic tire including a sipe formed in a tread block capable of minimizing slippage on a snowy or icy road while increasing rigidity of the tread block, thereby significantly improving braking and steering performances on wet and dry roads. The sipe com...
https://drivepatents.com/patents/1001129 · 20 Jun 2012
The tire has treads rotating in a circumference direction and profile block series including a profile block and limited by a circumference groove. The block is provided with cuts extending in a tread transverse direction, where the cuts include a lower se...
https://drivepatents.com/patents/1003730 · 4 Apr 2012
A pneumatic tire including a closed sipe 5 formed in a tread surface 1 that includes a small hole 2 extending along a tire radial direction and a plurality of cuts 4 extending in a radiation direction from the small hole 2 and that terminating in a land po...
https://drivepatents.com/patents/1010349 · 10 Aug 2011
The tread profile has radially raised profile elements (1) which are separated from each other by profile grooves. A rubber body (9) is formed radially below a fine recess base in the profile grooves at the opening position of a fine recess (4) in the prof...
https://drivepatents.com/patents/1066510 · 14 Jun 2006
Disclosed is a pneumatic tire which is allowed to increase block stiffness not only during braking and driving but also during cornering, and is allowed thereby to compatibly enhance tire performances both during braking and driving and during cornering. T...
https://drivepatents.com/patents/1066437 · 14 Jun 2006
A pneumatic tire comprises a tread portion provided with sipes (10), the sipes (10) each having a zigzag configuration at any depth from the top of the sipe to a certain depth, and the zigzag configuration having vertexes (Q1) on one side of the zigzag and...
https://drivepatents.com/patents/1070743 · 18 Jan 2006
The motor vehicle pneumatic tire has a tread composed of rows of profile elements separated by grooves. At least one profile element (14,15) has a fine cut (22,23) from one groove (10) to the other, across the peripheral line (U) of the tread. The cut has ...
https://drivepatents.com/patents/1075790 · 20 Jul 2005
A pneumatic tire comprising a tread portion having tread elements each provided with a sipe, wherein the sipe is open to a upper surface of the tread element, and has an open top end including a zigzag part and a bottom, wherein the sipe comprises: a first...