Friction transmission belt
US11674561B2 · kind B2 · utility
1Cited by
8References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2017 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Jan 29, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2411/006
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A frictional power transmission belt is provided, containing an adhesion rubber layer in contact with at least a portion of a tension member extending in a longitudinal direction of the belt, in which the adhesion rubber layer is formed of a first vulcanized rubber composition containing a rubber component and a filler, the filler contains substantially no silica and contains 30 parts by mass or more of carbon black based on 100 parts by mass of the rubber component, and the tension member has, on a surface thereof, an overcoat layer formed of a second vulcanized rubber composition containing a rubber component and silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.