Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped
Patent
1990-03-12
1992-05-05
Stodola, Daniel P.
Textiles: spinning, twisting, and twining
Strand structure
Covered or wrapped
57210, 57232, 57902, 152451, D02G 336, B60C 900
Patent
active
051096617
ABSTRACT:
An improved steel cord for reinforcing rubber is formed of three steel filaments, one having a smaller diameter than the other two, twisted together. The thinner filament is twisted with the two filaments at least partially in contact with them and with the same pitch. When the steel cord is cut at both ends, the thinner filament is retracted inwardly from the ends of the two filaments. This improves the penetration of rubber into the cord and prevents edge separation.
REFERENCES:
patent: 4506500 (1985-03-01), Miyauchi et al.
patent: 4709544 (1987-12-01), Charvet
patent: 4966216 (1990-10-01), Kawasaki et al.
Nakata Hidekazu
Okamoto Ken-ichi
Stodola Daniel P.
Stryjewski William
Sumitomo Electric Industries Ltd.
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