M+n steel cord with equal PLE per filament

Details M+n steel cord with equal PLE per filament M+n steel cord with equal PLE per filament

1997-03-03

1998-04-28

Stryjewski, William

Textiles: spinning, twisting, and twining

Reinforcing or tire cords

57 9, 57212, 57237, 57311, D02G 336, D02G 302

Patent

active

057430780

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:

REFERENCES:
patent: 4408444 (1983-10-01), Baillievier
patent: 5285623 (1994-02-01), Baillievier et al.
patent: 5581990 (1996-12-01), Van Giel et al.
patent: 5661966 (1997-09-01), Matsumaru
Abstract of JP 6-73672, Pub. No. 94-124456/15.

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