V-ribbed belt, production method therefor, and rubber composition
US12123478B2 · kind B2 · utility
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4References
10Claims
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Key dates
| Filing date | Apr 6, 2020 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Jun 18, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16G5/20
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A V-ribbed belt which comprises core wires and a stretch rubber layer constituted of a vulcanizate of a rubber composition comprising a rubber ingredient and short is provided. The content of the short fibers in the rubber composition is 15-50 parts by mass per 100 parts by mass of the rubber ingredient and the rubber composition has a minimum Mooney scorch viscosity, as measured at 125° C., of 70-130.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.