Patent · US Expired

Steel cord for reinforcing rubber articles

US6904744B2 · kind B2 · utility

4Cited by

12References

9Claims

0Family size

Assignee

N V BEKAERT SA · BE

Inventors

Hans Cauwels · Adegem, BE
Dirk Meersschaut · Wielsbeke, BE
Stijn Vanneste · Ingelmunster, BE

Key dates

Filing date	Oct 14, 2003
Grant date	Jun 14, 2005
Priority date	—
Expiry date	Oct 14, 2023

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD07B2207/209
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Steel cord includes a first group and a second group. The second group is helically twisted around the first group with a cord twisting step. The first group includes a first number of first steel filaments. The first number ranges between three and eight. The second group comprises a second number of second steel filaments. The second number is equal to or greater than the first number. The first filaments having a twist step greater than 300 mm. At least one of the second filaments is polygonally performed in order to allow rubber penetration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.