Steel cord

Details Steel cord Steel cord

1994-11-28

1996-12-17

Mansen, Michael R.

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57311, 57902, D02G 336

Patent

active

055841694

ABSTRACT:
A steel cord for reinforcing rubber articles comprises one wave-form or helical core steel filament and a plurality of sheath steel filaments disposed around the core steel filament, the pitch Pc of the core steel filament is 3.0 dc/0.34.ltoreq.Pc.ltoreq.10.0 dc/0.34 (dc=diameter of steel core filament) and the core forming ratio Rc=Lc/dc (Lc is an amplitude of the wave or helix of the core steel filament) is within a particular range varying depending on the number of sheath steel filaments. The rubber articles containing the steel cord have an improved resistance to corrosion propagation and a high strength. A pneumatic tire is reinforced with the above-mentioned steel cord and contains a cross belt layer where

REFERENCES:
patent: 4509318 (1985-04-01), Yoneda
patent: 4566261 (1986-01-01), Brandyberry et al.
patent: 4690191 (1987-09-01), Kawasaki
patent: 4887421 (1989-12-01), Haislet
patent: 4938015 (1990-07-01), Kinoshita
patent: 5024261 (1991-06-01), Igarashi et al.
Research Disclosure, No. 175, Nov. 1978, Emsworth GB, pp. 26-28.
Research Disclosure, No. 327, Jul. 1991, Emsworth GB, pp. 552-558.

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