| 摘要 |
A power transmission belt (10,21) of improved manufacture wherein a novel reinforcing fabric (4,14) is provided in the inner portion of the compression section (3,13) of the belt. The fabric is formed of yarns (20) having a low coefficient of thermal contraction and a high bias elongation to break. The yarns are formed of a mixture of natural and synthetic resin fibers and are subjected to heat treatment to effect the improved low coefficient of thermal contraction and high bias elongation to break.
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