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Title:
【発明の名称】空気入りタイヤ
Document Type and Number:
Japanese Patent JP2878354
Kind Code:
B2
Abstract:
PURPOSE:To prevent an outer side ply from its separation by forming a hollow in a specific location of a tire external surface and, making a specific curve extending in parallel to the main unit part of a carcass ply, to cross with the hollow and also specifying a distance, from an outer side ply to the hollow. CONSTITUTION:The carcass ply 4 of a carcass layer 3 in a tire 1 is composed of a main unit part 5 positioned inside the axial direction of a bead 2 and a foldback part 6 serving as an outer side ply positioned outside the axial direction of the head 2. In this case, a hollow 20 is formed in a tire external surface 18 between a radial direction outer end 17 of the foldback part 6 and a tire maximum width position. A curve B, extending in parallel to the main unit part 5 toward the tire maximum width position from the radial direction outer end 17, is made to cross the hollow 20. Furthermore, a distance C on the curve B, from the radial direction outer end 17 to a hollow side wall 21 on the side approaching this radial direction outer end 17, is set to 2.5 or less times the minimum distance A from the radial direction outer end 17 to the main unit part 5.

Inventors:
KOBAYASHI YASUHIKO
KOSEKI HIROYUKI
Application Number:
JP32549389A
Publication Date:
April 05, 1999
Filing Date:
December 15, 1989
Export Citation:
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Assignee:
BURIJISUTON KK
International Classes:
B60C13/00; B60C13/02; B60C15/00; B60C15/024; (IPC1-7): B60C13/00; B60C15/00; B60C15/024
Domestic Patent References:
JP62295708A
JP56160204A
JP62299411A
JP5198803A
JP1111504A
JP1317814A
JP621605A
JP5525636A
JP61129604U
JP63202503U
JP4725645B2
Attorney, Agent or Firm:
Toshio Tada



 
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