Sintered metal friction facing
US4871394A · kind A · utility
6Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1988 |
| Grant date | Oct 3, 1989 |
| Priority date | — |
| Expiry date | Nov 8, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C43/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Sintered copper friction facing suitable for operation in oil and quieter in operation than current facing of this type has a void volume not less than 30% of the total volume. It can be made by employing, as the copper to form the facing matrix, copper powder which is in dendritic form and of apparent density not greater than 1.3 gram/cm.sup.3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.