Title:
【発明の名称】空気入りタイヤ
Document Type and Number:
Japanese Patent JP3029636
Kind Code:
B2
Abstract:
A pneumatic tire (1) has a pair of side walls (3), and a cylindrical tread portion (4) extending between the pair of side walls. The outer surface of the tread portion is provided with three or more circumferentially extending main grooves (20) axially spaced from one another by a given distance, and a number of lug grooves (25) crossing the main grooves at an acute angle and circumferentially spaced from one another by a substantially equal distance. The volume per unit length in a circumferential direction of the tire is made different among a certain main groove and two main grooves positioned on axially opposite sides of this certain main groove.
Inventors:
Shinichi Watanabe
Application Number:
JP11100590A
Publication Date:
April 04, 2000
Filing Date:
April 26, 1990
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C11/03; B60C11/04; B60C11/11; B60C11/13; (IPC1-7): B60C11/11; B60C11/04; B60C11/13
Domestic Patent References:
| JP6436505A | ||||
| JP62184903A | ||||
| JP220407A | ||||
| JP6266805U |
Attorney, Agent or Firm:
Toshio Tada