| 摘要 |
<p>PROBLEM TO BE SOLVED: To comparatively easily improve strength and durability of a joining part of a belt without extensive change of structure, addition of a reinforcing means, etc. SOLUTION: The number of steps is made more than three and step length of a central part of a joining part is made larger than step length S1, S3 of both side parts of the step length S1, S2, S3 which is length of each of divisions divided in accordance with the number of the steps in connecting structure of a belt connected by extending a plural number of steel cords 2, 2' different in length from terminals of the belts 1, 1' facing against each other, mating the steel cords 2, 2' extended from both of the terminals with each other at boundary parts dividing the longest steel cords (a), (a') singly and those of them shorter than these steel cords (a), (a') in accordance with the number of the steps previously specifying overall length of the connecting part, aligning them in parallel by providing intervals 3 in the side direction and curing them by packing rubber 4 in the intervals 3.</p> |
