Title:
【発明の名称】コ-ドの撚りが異るマルチプライ群積層カ-カスを備える高耐久性空気入りタイヤ
Document Type and Number:
Japanese Patent JPS5841202
Kind Code:
B2
Abstract:
A highly durable pneumatic tire comprising a carcass body formed by a number of laminated bias laid plies each including rubberized organic textile cords is disclosed. The carcass body is composed of at least two kinds of ply groups whose cords are the same in diameter, but different in the number of twists per unit length, the cords of the outermost ply group of the carcass having the number of twists which is 5% to 30% times larger than the number of twists of the ply group adjacent to the outermost ply group and located at the inner portion in the carcass and which is at least equal to the number of twists of the cords of the innermost ply group, and the cords of the innermost ply group of the carcass having the number of twists which is 5% to 30% times larger than the number of twists of the ply group adjacent to the innermost ply group and located at the outer portion in the carcass.
Inventors:
ABE MASARU
Application Number:
JP3502179A
Publication Date:
September 10, 1983
Filing Date:
March 27, 1979
Export Citation:
Assignee:
BRIDGESTONE TIRE CO LTD
International Classes:
B60C9/06; (IPC1-7): B60C9/06
Attorney, Agent or Firm:
Akihide Sugimura