B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 11/04 (2006.01) B60C 11/03 (2006.01)
Patent
CA 2501157
A pneumatic tire having improved noise buffering capability and operation stability while maintaining excellent water discharge capability. A circumferential straight main groove (1) is provided at the center of a tread center region. Arc-like curved main grooves (3) where a plurality of arc-like grooves (3a) are circumferentially formed so as to be continuous in a repeated manner are arranged on both sides of the straight main groove (1). Further, circumferential auxiliary grooves (4) with a width smaller than that of any of the straight main groove (1) and arc-like curved main grooves (3) are provided in each of both tread shoulder regions.
L'invention concerne un pneu plus silencieux et plus stable, présentant d'excellentes capacités d'évacuation de l'eau. Ce pneu comprend, d'une part, une rainure principale rectiligne circonférentielle (1), située au centre de la bande de roulement du pneu, et, d'autre part, des rainures principales incurvées formant des arcs (3), comportant des rainures formant des arcs (3a), formées de manière continue sur la circonférence du pneu, de chaque côté de la rainure principale rectiligne circonférentielle (1). Le pneu comprend également des rainures auxiliaires circonférentielles (4) dont la largeur est inférieure à celle de la rainure principale rectiligne circonférentielle (1) et à celle des rainures principales incurvées formant des arcs (3), situées dans chacun des épaulements de la bande de roulement.
Ridout & Maybee Llp
The Yokohama Rubber Co. Ltd.
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