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:
Jun. 04, 1991
Filed:
Oct. 26, 1989
Applicant:
Inventor:
Hidenori Watakabe, Yamaguchi, JP;
Assignee:
Kokoku Steel Wire Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D07B / ; D02G / ;
U.S. Cl.
CPC ...
57200 ; 57311 ; 57902 ;
Abstract
A tire steel cord formed of more than three strands twisted together, at least one of the strands being marked so as to formed therein with zig-zagging marked parts which form gaps between strands, rubber accordingly immersing the steel cord into its center part through the thus formed gaps so as to fill in a cavity in the center part of the steel cord.