About 65 results
https://drivepatents.com/patents/974356 · 28 May 2014
Provided is a pneumatic tire which can fundamentally prevent the phenomenon of generating cracks in the bottoms of grooves and the areas where the side walls of blocks meet the bottoms of grooves, can suppress irregular abrasion of the tread, can enhance t...
https://drivepatents.com/patents/974685 · 21 May 2014
There is provided a pneumatic tire 1 having a specified rotational direction and comprising land portions formed compartmentally on the tread of the pneumatic tire 1 by disposing plural inclined grooves 5 extending from both tread ends 11 respectively towa...
https://drivepatents.com/patents/974589 · 21 May 2014
A pneumatic tire is provided comprising a tread portion (2) with a center land portion (5) which is defined between center main grooves (3A) and whose top surface has a certain area and a maximum axial width of 15 % to 19 % of the tread width TW. The cente...
https://drivepatents.com/patents/974862 · 14 May 2014
A pneumatic tire has a unidirectional tread pattern. The land ratio of an imaginary crown region 5A is 0.75 to 0.85. The land ratio of an imaginary middle region 6A is 0.65 to 0.75. Crown axial grooves 4A and middle axial grooves 4B are inclined to the int...
https://drivepatents.com/patents/975562 · 30 Apr 2014
Provided is a motorcycle pneumatic tire having a more excellent durability than that of a conventional tire while maintaining excellent wet braking performance. Provided is a motorcycle pneumatic tire including a ring-shaped tread portion 10. A steeply-inc...
https://drivepatents.com/patents/976339 · 9 Apr 2014
A pneumatic tire comprises a tread portion (2) divided by three circumferentially continuously extending main grooves (10, 11) into two crown land portions (12) and two shoulder land portions (13). The axial width W2 of the shoulder land portion (13)is 1.1...
https://drivepatents.com/patents/978889 · 5 Feb 2014
An object is to enhance traction performance on snowy road surfaces whilst suppressing a drop in braking performance and handling stability performance on dry road surfaces and icy road surfaces. A tread (12) includes first auxiliary grooves (21) formed on...
https://drivepatents.com/patents/979993 · 8 Jan 2014
In the tire (1), a region of the tread portion (10) overlapping with a range of 80% of a length of the circumferential belt layer (40) in a tread widthwise direction around a tire equator line CL is a central region CR in the tire radial direction trd, and...
https://drivepatents.com/patents/979979 · 8 Jan 2014
The present invention relates to a pneumatic tire that achieves both dry performance and on-snow performance. A pneumatic tire is provided with a central land portion including the tire equator plane, intermediate land portions, and outer land portions. Th...
https://drivepatents.com/patents/982124 · 6 Nov 2013
A pneumatic tire comprises a tread portion provided with a radially outermost breaker ply (7B) and three main grooves (10,11) extending in the tire circumferential direction. Crown axial grooves (14) disposed between the main grooves are inclined oppositel...