Textiles: spinning – twisting – and twining – Apparatus and processes – Stranding
Patent
1992-11-09
1994-08-02
Stodola, Daniel P.
Textiles: spinning, twisting, and twining
Apparatus and processes
Stranding
57 1R, 57231, 57236, 57237, 57238, 57244, 57248, 87 8, D02G 302, D02G 336
Patent
active
053334426
ABSTRACT:
A multi-strand nylon rope having improved abrasion resistance is comprised of a plurality of strands. Each strand is comprised of a plurality of yarns wherein each yarn is formed of a predetermined number of filaments. The filaments of each yarn are twisted together to form a yarn of a predetermined size, the twist direction being opposite that of the final ply yarn direction. For a right lay rope a sufficient number of filaments are twisted together in the left or "S" direction to produce a yarn of a predetermined size. Three or more yarns prepared in this manner are then plied or twisted together in the opposite or right direction. The cover for each strand is formed of alternate yarns of standard (i.e. round) and oblong filaments, respectively, the oblong filaments having a modification ratio of three, forming a rope having increased abrasion resistance, a hand and feel that is not stiff or unmanageable and which resists strand-to-strand wet abrasion.
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American Manufacturing Company, Inc.
Stodola Daniel P.
Stryjewski William
Weinstein Louis
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