Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped
Patent
1995-10-27
1998-11-17
Stryjewski, William
Textiles: spinning, twisting, and twining
Strand structure
Covered or wrapped
57223, 57902, D02G 336
Patent
active
058361456
ABSTRACT:
A tire cord which is improved in penetration of rubber into the cord and the fatigue resistance without increasing the diameter of the cord. The tire cord comprises a core and an inner sheath, the core consisting of three steel filaments twisted together, the inner sheath consisting of seven to nine steel filaments twisted around the core in the same direction as the core twist, the twist pitch length of the inner sheath being in the range of from 1.05 to 1.50 times the twist pitch length of the core, the diameter of the core filaments being in the range of from 0.8 to 1.0 times the diameter of the inner sheath filaments.
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patent: 4763466 (1988-08-01), Abe et al.
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patent: 5236029 (1993-08-01), Nakashio et al.
patent: 5285836 (1994-02-01), Kawamura
patent: 5410868 (1995-05-01), Sakon
"Micro-Alloyed Steel Cord Constructions for Tyres", Research Disclosure, No. 349, pp. 333-334 (1993).
Stryjewski William
Sumitomo Rubber Industries Ltd.
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