Preparation of friction elements and compositions therefor
US5714525A · kind A · utility
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33References
1Claims
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Key dates
| Filing date | Dec 7, 1995 |
| Grant date | Feb 3, 1998 |
| Priority date | — |
| Expiry date | Dec 7, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/298
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Densified particles of friction ingredients which include an uncured mix of friction ingredients with a thermosetting binder resin and an effective amount of a liquid coreactive with the resin which maintains the temperature during particle formation below the curing temperature of the resin can be used to make friction elements. Methods of forming friction elements from the particles and friction elements made from the particles also are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.