Driver belts, use of such a drive belt as wedge belt and manufacturing process

摘要

The invention concerns a drive-belt (1) with a base body in which one or more pull-strings (3) of para-aramid are embedded in cord construction, each pull-string (3) having twisted strands, each of which consists of at least one twisted yarn, and where the direction of rotation of the respective strand is opposite to the direction of rotation of the cord.The invention is characterized by the fact that the strings (3) each have at least four strands, the turning factor TM1 of the strands (pre-thread) between 4,5 and 5,4 and the turning factor TM2 of the cord (extruder) between 2,7 and 3,8 and the ratio of the extruder factor of the strands to the extruder factor of the cord (TM1/TM2) between 1,3 and 1, Five figures.