| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a conveyor belt whose durable period can be extended while attaining its weight reduction. <P>SOLUTION: The volumes of upper cover rubbers 3 are reduced at both end areas S by more increasing the thickness tc of the upper cover rubber 3 at a belt central area C at which abrasion relatively intensifies by repeating droppings, loadings, and conveyance of conveying objects T than those ts of the upper cover rubbers 3 at both end areas S while lengthening time until it results in a permissible maximum worn condition. <P>COPYRIGHT: (C)2012,JPO&INPIT |
