Power transmission belt
US9273756B2 · kind B2 · utility
2Cited by
46References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2009 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Nov 2, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16G5/166
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A power transmission belt with a body made from a first rubber composition in which at least one load carrying member is embedded. The body has a plurality of laterally spaced ribs with exposed surfaces on the inside of the body. The ribs are made from a second rubber composition in which: a) a plasticizer of 8.3 to 10.7 (cal/cm3)1/2 in solubility parameter; and b) solid lubricant are respectively blended in an amount: i) 5 to 25 pts.wt.; and ii) 5 to 50 pts.wt. per 100 pts.wt. ethylene-α-olefin elastomer. The body further has short fibers fixed at the exposed, pulley engaging rib surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.