The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 1988
Filed:
Sep. 05, 1986
Applicant:
Inventors:
Hideo Abe, Chiba, JP;
Takaaki Hira, Chiba, JP;
Toru Sasaki, Chiba, JP;
Keiji Kumagai, Chiba, JP;
Kunihiko Kataoka, Chiba, JP;
Takashi Sasaki, Chiba, JP;
Assignees:
Kawasaki Steel Corporation, Kobe, JP;
Kawatetsu Wire Products Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ; D07B / ;
U.S. Cl.
CPC ...
57213 ; 57215 ; 57902 ; 152451 ; 152556 ; 152560 ; 245-15 ;
Abstract
A steel cord comprising at least 10 metal filaments and having an elongation of 0.015-0.045% under a load of 0.5 kgf, an elongation of 0.025-0.060% under a load 1 kgf, and an elongation of 0.060-0.114% under a load of 4 kgf, assuming that the elongation under a load of 0.05 kgf is 0%, has a soft twist construction and is suitable to be used in the carcass of a radial tire for truck and bus.