Rubber article-reinforcing steel cords and pneumatic tires using

Details Rubber article-reinforcing steel cords and pneumatic tires using Rubber article-reinforcing steel cords and pneumatic tires using

1996-09-05

1998-06-16

Stryjewski, William

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57902, D02G 336

Patent

active

057653550

ABSTRACT:
A steel cord is disclosed, which has a core-sheath double layer structure having a 2+7 cord construction or a 2+8 cord construction. A twisting direction of the core is the same as that of the sheath, a forming rate Rc of filaments of the core is 103 to 120%, and a forming rate Rs of filaments of the sheath is 102 to 115%. A pneumatic radial tire using such steel cords in a belt layer is also disclosed.

REFERENCES:
patent: 4258543 (1981-03-01), Canevari
patent: 4385486 (1983-05-01), Iwata et al.
patent: 4609024 (1986-09-01), Yatsunami et al.
patent: 5162067 (1992-11-01), Miyawaki

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