| 摘要 |
<p>An endless power transmission belt construction (20), cord (27) therefor and method of making the same are provided, the cord having the yarns (33) and the plies (32) therefor respectively twisted on a 2 for 1 twister so as to cause the longitudinal axes of the fiber filaments (34) to be disposed generally in the longitudinal direction of the cord (27) with the denier of the fiber filaments of each yarn (33) being approximately 1500, the twist multiplier for the three plies (32) being 3.7687 as the three plies are twisted together at a rate of approximately 2.9 turns per linear inch of the cord (27), the twist multiplier for the two yarns (33) being 3.6765 as the two yarns for each ply (32) are twisted together at a rate of approximately 4.9 turns per linear inch of that ply, and the fiber filaments (34) comprising p-aramid that comprises co-poly (paraphenylene/3,4' oxydiphenylene terephthalamide).</p> |
