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. 26, 2025
Filed:
Nov. 30, 2021
Applicant:
NV Bekaert SA, Zwevegem, BE;
Inventors:
Assignee:
NV BEKAERT SA, Zwevegem, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D07B 1/06 (2006.01);
U.S. Cl.
CPC ...
D07B 1/0606 (2013.01); D07B 2201/1028 (2013.01); D07B 2201/1044 (2013.01); D07B 2201/2022 (2013.01); D07B 2201/2067 (2013.01); D07B 2205/3025 (2013.01);
Abstract
The invention provides a steel cord with a construction of n×1, n is the number of the steel filaments of the steel cord, the steel cord has an elongation at 2.5N-50N of less than 1.2% and a twist pitch of greater than 16 mm, each of the steel filaments has a form of helical wave with a wave length L expressed in mm and a wave height H expressed in mm when being unravelled from said steel cord, L is greater than 16 mm, each of the steel filaments has a space volume Vs satisfying that, Vs=L×H×π/4, and Vs>20 mm. The invention steel cord is beneficial for the stress distribution.