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:
Apr. 28, 1998
Filed:
Mar. 03, 1997
Applicant:
Inventors:
Ghislain Doornaert, Marke, BE;
Yvan A Lippens, Vichte, BE;
Assignee:
N.V. Bekaert S.A., Zwevegem, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D02G / ; D02G / ;
U.S. Cl.
CPC ...
57902 ; 57-9 ; 57212 ; 57237 ; 57311 ;
Abstract
A steel cord (30) consists of a first group and a second group. The first group comprises two or more plastically deformed outer steel filaments (10) twisted around each other with a first twist pitch and the second group comprises one or more plastically deformed inner steel filaments (20) twisted around each other with a second twist pitch. The second group is twisted around the first group with a cord twist pitch. One of the inner or the outer steel filaments having a part load elongation of x %, all the other inner and outer steel filaments having a part load elongation of y %, whereby x and y fulfil the equation: