US 12,264,723 B2
Toothed power transmission belt for use in oil
Kirstie Petherbridge, Scotland (GB); and Paul Pearson, Scotland (GB)
Assigned to Gates Corporation, Denver, CO (US)
Filed by GATES CORPORATION, Denver, CO (US)
Filed on Aug. 17, 2022, as Appl. No. 17/890,237.
Claims priority of provisional application 63/234,373, filed on Aug. 18, 2021.
Prior Publication US 2023/0076730 A1, Mar. 9, 2023
Int. Cl. F16G 1/28 (2006.01); B29D 29/08 (2006.01); B32B 5/02 (2006.01); B32B 25/10 (2006.01); F16G 1/10 (2006.01); F16G 1/21 (2006.01)
CPC F16G 1/28 (2013.01) [B29D 29/08 (2013.01); B32B 5/024 (2013.01); B32B 25/10 (2013.01); F16G 1/10 (2013.01); F16G 1/21 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/0269 (2013.01); B32B 2307/306 (2013.01); B32B 2307/51 (2013.01); B32B 2307/536 (2013.01); B32B 2433/00 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A toothed power transmission belt comprising:
an elastomeric belt body with a helical wound tensile member embedded therein; and
teeth on a pulley-contact surface with a jacket covering the teeth;
said jacket comprising:
a woven fabric, comprising no nylon fibers, with a first fabric treatment based on epoxy or epoxy-rubber, and then coated on the external side with an oil and heat resistant rubber composition defining a smooth, continuous, outer rubber layer, wherein the oil and heat resistant rubber composition comprises no fluoropolymer or fluoroelastomer component.