About 135 results
https://drivepatents.com/patents/953230 · 24 Feb 2016
The present invention relates to a pneumatic tire (1) in which a plurality of small blocks (20) is delineated and formed by a plurality of rectilinear circumferential narrow grooves (16) and a plurality of widthwise narrow grooves (18) that communicate wit...
https://drivepatents.com/patents/954130 · 27 Jan 2016
To improve motion performance of a tire on a dry road surface and also improve drainage performance of a land so as to improve motion performance of the tire on a wet road surface. A tire (1) includes a land (20) formed on a tread portion (2). A ground con...
https://drivepatents.com/patents/954457 · 20 Jan 2016
A pneumatic tire can improve the heat dissipation effect in the tread portion while guaranteeing land portion rigidity and can also suppress degradation of the heat dissipation effect. The pneumatic tire includes a narrow groove (10) on a tread surface (1)...
https://drivepatents.com/patents/946772 · 20 Jan 2016
Provided is a pneumatic tire being improved in heat dissipation effect in the tread portion while being ensured in rigidity of the land portion. A narrow groove (10) is formed on a tread surface (1), the narrow groove extending in a direction inclined with...
https://drivepatents.com/patents/954529 · 6 Jan 2016
The pneumatic tire described herein is provided with, in a tread surface, at least two circumferential grooves continuously extending in a tread circumferential direction, and a resonator disposed in a land part defined between two circumferential grooves ...
https://drivepatents.com/patents/955027 · 23 Dec 2015
Provided is a heavy load tire that includes a pair of bead portions and a carcass extending toroidally between the pair of bead portions. The heavy load tire, on an outer circumferential side of a crown region of the carcass, includes: the first belt layer...
https://drivepatents.com/patents/947893 · 9 Dec 2015
In a pneumatic tire, blocks 11 each have a block width that is increased from circumferential end portions to a circumferential middle portion of the block 11 in a manner such that widthwise end portions 10 located on both ends in the tread width direction...
https://drivepatents.com/patents/947766 · 9 Dec 2015
A pneumatic tire comprises a tread portion provided with a center main groove (3) on the tire equator and a shoulder main groove (4) on each side of the center main groove (3); the center main groove (3) and the shoulder main groove (4) extend zigzag and c...
https://drivepatents.com/patents/949518 · 12 Aug 2015
A pneumatic tire comprises a tread portion provided with blocks each provided with a first variable depth sipe (38) and a second variable depth sipe (39) each having both axial ends opened at edges (20e) of the block (20) on both sides thereof in the tire ...
https://drivepatents.com/patents/959686 · 24 Jun 2015
Heavy duty tire, wherein a distance t1 from the radially outer surface of a belt layer (7) to the tire's inner surface is 15 to 23 mm when measured along a tire radial direction line (13) passing through the bottom of a shoulder main groove (12); the width...