V-ribbed belt and method for producing same
US10760646B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2016 |
| Grant date | Sep 1, 2020 |
| Priority date | — |
| Expiry date | Jul 1, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A V-ribbed belt includes a compression rubber layer containing a vulcanizate of a rubber composition, a tension member, and a tension layer, and has a side part of the compression rubber layer being a ground surface coming into contact with pulleys, and a bottom part of the compression rubber layer being a non-ground surface not coming into contact with pulleys. The V-ribbed belt has, on a surface of the bottom part, a composite layer containing a fiber assembly and a vulcanizate. The fiber assembly contains a heat-resistant fiber which is not melted at a vulcanization temperature of the rubber composition and has a weight per unit area of 25 g/m2 or less. The vulcanizate of the rubber composition impregnated among fibers of the fiber assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.