Title:
【発明の名称】空気入りオールシーズンタイヤ
Document Type and Number:
Japanese Patent JP2795378
Kind Code:
B2
Abstract:
An all season pneumatic tire under the present invention has at the tread section two main grooves which divide the tread width into three tread regions and which are formed substantially, in circumferential direction and in continuation. The distance (GD) between the aforementioned two main grooves, when the maximum width of the tire is TW, is expressed as 0.2TW=GD=0.5TW. Further, the width (GW) of each major groove is expressed as 0.02TW=GW=0.07TW. Further, each of the aforementioned major groove has jogs (JW) shifted tread-width-wise by an amount the same as or smaller than the groove width (GW), said jog width (JW) being expressed as 0.5 mm=JW=GW, and is formed substantially, in circumferential direction, and in continuation.
Inventors:
IWAMURA KAZUMITSU
Application Number:
JP25822289A
Publication Date:
September 10, 1998
Filing Date:
October 02, 1989
Export Citation:
Assignee:
SUMITOMO GOMU KOGYO KK
International Classes:
B60C11/11; B60C11/04; B60C11/113; B60C11/12; (IPC1-7): B60C11/04; B60C11/11; B60C11/113
Domestic Patent References:
JP1195103A | ||||
JP5873407A |
Attorney, Agent or Firm:
Toshio Yasuda