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Title:
【発明の名称】空気入りタイヤ
Document Type and Number:
Japanese Patent JP2747832
Kind Code:
B2
Abstract:
PURPOSE:To prevent a pneumatic tire from uneven wear near the tread end based on a radial inside recess by protruding and recessing the inner and outer ends of a shoulder rib, respectively, while connecting these inner and outer ends with each other to form the surface of the shoulder rib. CONSTITUTION:A tread 2 of a tire is formed with a plurality of main grooves 3a-3c extending circumferentially and a plurality of ribs 4b-4d defined by the main grooves. Then, near a point Q spaced 1/4 of the tread width W from the tread end 6 is disposed the main groove 3c. The inner end of the shoulder rib 4b located near the main groove 3c is protruded radially outward from the extension R of an outline arc 7b in a radial section of the center rib 4b. On the other hand, the outer end of the shoulder rib 4d near the tread end 6 is recessed radially inward from said extension R. The surface 7d of each shoulder rib 4d is formed by connecting said respective inner and outer ends to each other.

Inventors:
YAMAGISHI NAOTO
USUI SHINJI
Application Number:
JP426589A
Publication Date:
May 06, 1998
Filing Date:
January 11, 1989
Export Citation:
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Assignee:
BURIJISUTON KK
International Classes:
B60C11/04; B60C11/00; B60C11/01; (IPC1-7): B60C11/00; B60C11/01; B60C11/04
Domestic Patent References:
JP5147704A
Attorney, Agent or Firm:
Toshio Tada