Steel cords for the reinforcement of rubber articles having a wr

Details Steel cords for the reinforcement of rubber articles having a wr Steel cords for the reinforcement of rubber articles having a wr

1996-09-13

1998-01-20

Stryjewski, William

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57902, D02G 336

Patent

active

057090734

ABSTRACT:
A steel cord for the reinforcement of rubber articles exhibits largely different bending rigidities in two crossing directions at section of the cord and comprises a bundle of plural strands each being obtained by twisting 3 or more steel filaments and a wrapping filament helically wound around the bundle. The steel filaments have a twisting pitch in the range of 3.0 to 30.0 mm. A single wrapping filament is helically wound around the bundle at a twisting pitch of 2.0-15 mm. Various cord structures may be used, for example, 1.times.3, 1.times.5, 2+6 and 3.times.4.

REFERENCES:
patent: 429005 (1890-05-01), Bird
patent: 4349063 (1982-09-01), Kikuchi et al.
patent: 4544603 (1985-10-01), Richards
patent: 4718224 (1988-01-01), Obata
patent: 5198307 (1993-03-01), Bourgois et al.

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