Title:
【発明の名称】空気入りタイヤ
Document Type and Number:
Japanese Patent JP3365653
Kind Code:
B2
Abstract:
PURPOSE:To reduce the passing noise without deteriorating the hydroplaining resistance performance. CONSTITUTION:A longitudinal main groove 3 which is continuous in the circumferential direction is formed on a tread surface 2, and as for the longitudinal main groove 3, a wide groove part 5 is interposed in a main groove part 4 having a groove width WG 8mm or over, and as for the wide groove part 5, the length Lm in the circumferential direction is 45-90mm and smaller than the ground surface length L of the ground surface S, and the sectional area Sm of the wide groove part 5 is set to 2-4 times of the sectional area Sg of the main groove part 4.
Inventors:
Chieko Aoki
Haruyuki Sano
Haruyuki Sano
Application Number:
JP19685693A
Publication Date:
January 14, 2003
Filing Date:
July 13, 1993
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C11/03; B60C11/04; B60C11/13; (IPC1-7): B60C11/04; B60C11/13
Domestic Patent References:
| JP63159111A | ||||
| JP6144007A | ||||
| JP58191610A |
Attorney, Agent or Firm:
Tadashi Naemura