Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped
Patent
1985-12-18
1987-11-24
Rutledge, L. Dewayne
Textiles: spinning, twisting, and twining
Strand structure
Covered or wrapped
57213, 57902, D07B 106
Patent
active
047079754
ABSTRACT:
A steel cord for the reinforcement of rubber articles is disclosed, which comprises a central base structure composed of 1 to 4 steel filaments, and at least one coaxial layer composed of plural steel filaments arranged around the central base structure so as to adjoin them to each other, these steel filaments being twisted in the same direction at the same pitch. In the steel cord of this type, the steel filaments constituting the central base structure have the same diameter (dc), while at least one steel filament of the coaxial layer has a diameter (dso) smaller than the diameter (dc) of the steel filament in the central base structure.
REFERENCES:
patent: 1919509 (1933-07-01), Grobl
patent: 2098163 (1937-11-01), Reed
patent: 3318082 (1967-05-01), Riggs
patent: 3413799 (1968-12-01), Lejeune
patent: 3538702 (1970-11-01), Wolf et al.
patent: 4349063 (1982-09-01), Kikuchi et al.
patent: 4627229 (1986-12-01), Bourgois
patent: 4651513 (1987-03-01), Dambre
patent: 4653259 (1987-03-01), Ogino
Bridgestone Corporation
Rutledge L. Dewayne
Zimmerman John J.
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