Textiles: spinning – twisting – and twining – Strand structure – Covered or wrapped
Patent
1989-03-14
1990-04-10
Petrakes, John
Textiles: spinning, twisting, and twining
Strand structure
Covered or wrapped
57231, 57902, 152451, 152527, 152556, 152557, D02G 348, D02G 302, D02G 336, B60C 900
Patent
active
049149024
ABSTRACT:
Very high strength cords are made and described which are composed of a core and a sheath of twisted yarns plied around the core in such a way that the cord exhibits greatly improved retained strength after use.
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ASTM Part 24, D885, Appendix, p. 177 (1966) 1966 Book of ASTM Standards.
E. I. Du Pont de Nemours and Company
Petrakes John
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