Textiles: spinning – twisting – and twining – Reinforcing or tire cords
Patent
1996-04-02
1998-09-08
Stryjewski, William
Textiles: spinning, twisting, and twining
Reinforcing or tire cords
57236, 57237, 474263, 474268, D02G 302, D02G 336
Patent
active
058028390
ABSTRACT:
An endless power transmission belt construction, cord therefor and methods of making the same are provided, the cord having the yarns and the plies thereof respectively twisted on a 2 for 1 twister so as to cause the longitudinal axes of the fiber filaments to be disposed generally in the longitudinal direction of the cord with the denier of the fiber filaments of each yarn being approximately 1500. The twist multiplier of three plies is 3.7687 as the plies are twisted together at a rate of approximately 2.9 turns per linear inch of the cord, and the twist multiplier for the two yarns is 3.6765 as the two yarns for each ply are twisted together at a rate of approximately 4.9 turns per linear inch of that ply. The twist multiplier for five plies is 3.6986 as the plies are twisted together at a rate of approximately 1.8 turns per linear inch of the cord, and the twist multiplier for three yarns is 3.5838 as the three yarns for each ply are twisted together at a rate of approximately 3.9 turns per linear inch of that ply. The fiber filaments comprise p-aramid that comprises co-poly (paraphenylene/3,4'oxydiphenylene terephthalamide).
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Dayco Products Inc.
Stryjewski William
Tassone Joseph V.
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