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Patent Searching and Data


Title:
PNEUMATIC RADIAL TIRE
Document Type and Number:
WIPO Patent Application WO/1996/022892
Kind Code:
A1
Abstract:
A pneumatic tire in which a belt layer comprising steel cords each having a flat cross section is disposed on the circumference of a tread portion of a carcass layer in such a manner that the major axis direction of a steel cord is in the surface direction of the belt layer, in which the steel cord is constructed as a flat open 1x6 twist structure comprising filaments each having a strand diameter ranging from 0.20 to 0.40 mm, in which the major axis DL of the steel cord taken out of the tire and the twist pitch P have the following relationships relative to the strand diameter d, respectively: 3.67d-0.04 DL 3.67d+0.16, 30d P 45d, and in which the stretch of the steel cord (10) generated when the load is increased from 0.25 kg to 5.0 kg is less than 0.25 %.

Inventors:
Masaki
Takeo, Igarashi
Eiji, Kanehira
Yoshiki, Kawai
Toshio, Komatsu
Ryuzou
Application Number:
PCT/JP1996/000118
Publication Date:
August 01, 1996
Filing Date:
January 23, 1996
Export Citation:
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Assignee:
The
Yokohama
Rubber
CO., LTD.
Masaki, Takeo
Igarashi, Eiji
Kanehira, Yoshiki
Kawai, Toshio
Komatsu, Ryuzou
International Classes:
B60C9/00; B60C9/18; B60C9/20; B60C9/22; D07B1/06; (IPC1-7): B60C9/00; B60C9/20; D07B1/06
Foreign References:
JP4003474B
JPH0477Y21992-01-06
JPH0126882B21989-05-25
JPS63270886A1988-11-08
JPH0396402A1991-04-22
JPS62105805U1987-07-06
Other References:
See also references of EP 0752325A1
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