Steel cords for the reinforcement of rubber articles

Details Steel cords for the reinforcement of rubber articles Steel cords for the reinforcement of rubber articles

1995-02-03

1997-03-11

Stryjewski, William

Textiles: spinning, twisting, and twining

Strand structure

57212, 57236, 57242, 57902, D02G 302, D02G 336

Patent

active

056090137

ABSTRACT:
A steel cord for the reinforcement of rubber articles is formed by twisting plural filament wires of a high carbon steel. In this case, the filament wire is drawn from a wire rod so as to satisfy a relationship of T.gtoreq.230-148 logD (wherein D is a diameter of the filament wire and T is a tensile strength of the filament wire) and a difference in tensile strength between a surface layer portion and an internal portion in the filament wire of not more than 80 kgf/mm.sup.2.

REFERENCES:
patent: 2349652 (1944-05-01), Fenner
patent: 2383118 (1945-08-01), Ferenci
patent: 4883545 (1989-11-01), Matlock et al.
patent: 4966216 (1990-10-01), Kawasaki et al.
patent: 5248353 (1993-09-01), Nishida et al.

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