About 163 results
https://drivepatents.com/patents/1085587 · 14 Jul 2004
Pneumatic tire comprises circumferential grooves including pair of axially outer grooves disposed one on each side of tire equator and axially inner groove(s) between axially outer grooves, to divide tread portion into at least four circumferential regions...
https://drivepatents.com/patents/1087855 · 21 Apr 2004
A tire has a tread (10) on the outer circumferential surface. The tread (10) has circumferential and lateral grooves (16, 18, 26, 70) defining tread blocks (34, 36, 50, 60, 62). In at least one tread block (34, 36, 50, 60, 62), one of the circumferentially...
https://drivepatents.com/patents/1098415 · 12 Feb 2003
Tire comprising a tread band (10) having a pattern with a preferred rolling direction R, this pattern being formed by a plurality of blocks (4, 4') arranged in at least three rows of general circumferential orientation, the rows (5') axially outermost defi...
https://drivepatents.com/patents/1099262 · 2 Jan 2003
A studless tire (1) which is provided in the tread portion (2) with one or more circumferential portions (3) provided with V-shaped sipes (7), the total width of the one or more circumferential portions is in a range of from 10 to 25 % of the tread width (...
https://drivepatents.com/patents/1101834 · 11 Sep 2002
A central area(C) comprising NOTLESS 60% of the tread breadth is separated from two shoulder areas(S1,S2) by circumferential channels(2). V-shaped grooves(1) with an apex on the tire equator line(M-M) enter the circumferential channels and are intersected ...
https://drivepatents.com/patents/1102192 · 28 Aug 2002
Rotation direction related tire tread pattern, has transverse cuts in each block with recessed and projecting areas formed by trapezium and parallelogram-shaped surfaces. Raised pattern blocks have narrow cuts roughly transverse to the tire circumference. ...
https://drivepatents.com/patents/1104672 · 8 May 2002
Ribs or channels (2) forming first tread pattern structures run at NOTGREATER 40 degrees to the circumference and cross transverse grooves (3,13) forming second pattern structures to create two or more base pitches (K1,K2;L1,L2) of similar type, but differ...
https://drivepatents.com/patents/1105225 · 17 Apr 2002
A pneumatic tire comprises a tread portion (1) having a plurality of slant grooves (7a,7b), in which each slant groove has a steeply slant groove portion (5a,5b) and a gently slant groove portion (6a,6b), and the steeply slant groove portion comprises a ps...
https://drivepatents.com/patents/1106035 · 13 Mar 2002
A pneumatic tire (10) that is designed primarily for use on paved surfaces, but may have application off-road, has extended chamfers (18,22) aligned in a portion of the tire. In the illustrated embodiment, the chamfers are on leading and trailing portions ...
https://drivepatents.com/patents/1111554 · 18 Jul 2001
A pneumatic tire comprising a tread portion (1) divided into a central region (2) and both side regions (3a,3b), wherein at least one rib-shaped main land part (5) is formed in the central region (2) and a plurality of main slant grooves (7a,7b) are arrang...