| 摘要 |
<p>Process for manufacturing a belt ribbed over its internal surface and its back surface starting from a preform consisting of the necessary layers of rubber, fabric and cables and the belt obtained by this process. In order to obtain, on both surfaces of the belt, the longitudinal ribs (39...) suitable for engaging with the grooves of the pulleys which the belt is intended to equip, there is provision for making on the preform, in the course of the manufacturing operation, at least one reference face enabling an accurate positioning of the rib profile formed secondly in relation to the rib profile formed firstly. <IMAGE></p> |
