Title:
自動二輪車用タイヤ
Document Type and Number:
Japanese Patent JP4580437
Kind Code:
B2
Abstract:
A motorcycle tire (1) comprises a tread portion (2) having a tread face (2S) curved along a radially outwardly convex arc in the cross section of the tire including the rotational axis of the tire. The tread face (2S) is provided in the ground contacting region during straight running with three parallel circumferential grooves (10,11) which are: a wide circumferential groove (10) having a width wg1 of from 8 to 16 mm and extending along the tire equator; and a pair of narrow circumferential grooves (10) disposed one on each side of the tire equator and having a width wg2 less than the width wg1. Each of the narrow circumferential grooves (11) is positioned such that the distance L1 measured along the tread face from the tire equator to the axially outside edge of the narrow circumferential groove (11) is not more than 35 % of the width (tw) of the ground contacting region (Yc) during straight running measured along the tread face.
Inventors:
Satoshi Matsunaga
Application Number:
JP2008158317A
Publication Date:
November 10, 2010
Filing Date:
June 17, 2008
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C11/04; B60C11/00; B60C11/01; B60C11/13
Domestic Patent References:
| JP7290906A | ||||
| JP11198609A | ||||
| JP61027707A | ||||
| JP63194004U | ||||
| JP2007099042A | ||||
| JP55091407A | ||||
| JP2006199112A | ||||
| JP57182502U | ||||
| JP56090703A | ||||
| JP9039516A | ||||
| JP2007099024A | ||||
| JP63194004A | ||||
| JP2003211917A | ||||
| JP10264611A |
Attorney, Agent or Firm:
Sumitomo Shintaro