US 12,467,517 B2
Power transmission belt and its transmission system
Giuseppe Gazzaneo, Chieti (IT); Fabio Nardone, Chieti (IT); Arcangelo Di Carlo, Chieti (IT); Carlo Piermatteo, Chieti (IT); and Marco Di Meco, Chieti (IT)
Assigned to Dayco Europe S.R.L., Chieti (IT)
Appl. No. 18/551,966
Filed by DAYCO EUROPE S.R.L., Chieti (IT)
PCT Filed Mar. 24, 2022, PCT No. PCT/IB2022/052703
§ 371(c)(1), (2) Date Sep. 22, 2023,
PCT Pub. No. WO2022/201086, PCT Pub. Date Sep. 29, 2022.
Claims priority of application No. 102021000007196 (IT), filed on Mar. 24, 2021.
Prior Publication US 2024/0167535 A1, May 23, 2024
Int. Cl. F16G 5/20 (2006.01); F16G 1/10 (2006.01); F16G 1/28 (2006.01); F16G 5/08 (2006.01)
CPC F16G 5/20 (2013.01) [F16G 1/28 (2013.01); F16G 5/08 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A power transmission belt comprising a body in a first elastomeric material, a plurality of cords embedded in the body of the belt, a back and a plurality of ribs or teeth, said back or said ribs or teeth are covered with a covering material selected from the group consisting of woven fabric, and knitted fabric, characterized in that said covering material comprises elastolefin fibers, which is a fibrous polymer material made of at least 95% by weight of partially cross-linked macromolecules comprising ethylene and another olefin, wherein the elastolefin fibers are elastic in that when elongated by 50%, the fibers return to an original length.