| 摘要 |
A thick belt consisting of a narrow woven material having thickness and breaking strength with respect to a predetermined width thereof that are out of the conventional range of common sense of those skilled in the art. A thick belt (1) in which the woven texture consists of not less than four layers, two outer layers (2, 3) being woven tubularly of common weft threads (41), the inner layers (5, 6) which are other than these two outer layers being woven of another weft thread (42), characterized in that the thickness at an almost middle portion of the width thereof is not less than 1/4 of the width of the belt. <IMAGE> |
