About 46 results
https://drivepatents.com/patents/981727 · 20 Nov 2013
A pneumatic tire for rough terrain comprises a tread portion with a tread pattern provided with a block having a height of from 10 to 19 mm, the block comprising a top face and a sidewall face extending radially inwardly from a peripheral edge of the top f...
https://drivepatents.com/patents/982427 · 30 Oct 2013
A pneumatic tire for running on rough terrain is provided in the tread portion with crown blocks, middle blocks and shoulder blocks. Aspect ratios of the crown blocks are less than those of the middle blocks and shoulder blocks. The crown blocks include sh...
https://drivepatents.com/patents/991161 · 1 May 2013
A pneumatic tire comprises a tread portion (2) provided with a tread element (5) provided with a pair of sipes (6). Each sipe comprises a radially outer constant width part (13) and a widening part (14) extending radially inwardly from the constant width p...
https://drivepatents.com/patents/991793 · 10 Apr 2013
A pneumatic tire (1) comprises a tread portion (2) including a plurality of land portions (4) separated by at least two longitudinal grooves (3) extending continuously in a circumferential direction of the tire, a plurality of lateral grooves (6) crossing ...
https://drivepatents.com/patents/993886 · 16 Jan 2013
Provided is a pneumatic tire improved in on-ice friction properties of the tire, which is excellent in on-ice performance, in particular, on-ice braking performance. The pneumatic tire according to the present invention includes, in a tread portion surface...
https://drivepatents.com/patents/995396 · 5 Dec 2012
A motorcycle tire for running on rough terrain has a block pattern formed by blocks which include major groups arranged circumferentially of the tire at intervals, and minor groups arranged between the major groups. The major group consists of four blocks ...
https://drivepatents.com/patents/1002294 · 16 May 2012
A heavy duty pneumatic tire (1) comprises a tread portion (2) provided with circumferentially continuous main grooves (3) and lateral grooves (4) to form blocks (6) in circumferential rows (7). The main grooves include a pair of shoulder main grooves (12) ...
https://drivepatents.com/patents/1002659 · 9 May 2012
A pneumatic tire including a closed sipe 5 in a land portion 3 formed in a tread surface 1, provided with at least three cuts 4 extending in a radiation direction from an imaginary axis 2 that extends in a depth direction of the land portion 3, and that te...
https://drivepatents.com/patents/1007582 · 30 Nov 2011
Provision of a tire with enhanced wet weather performance while maintaining resistance to uneven wear performance without entailing an increase in the tread rubber volume. A center block row(30) is formed extending along the tire circumferential direction ...
https://drivepatents.com/patents/1009857 · 24 Aug 2011
The vehicle pneumatic tire comprises a tread strip, which has profiled elements, particularly profiled blocks (1). A reentrant corner area (4) is provided, which is formed between two block edges enclosed at right angle. The reentrant corner area is stabil...