Bearing material
US4000982A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1975 |
| Grant date | Jan 4, 1977 |
| Priority date | — |
| Expiry date | Apr 10, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12667
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A bearing material which comprises a back metal; a porous sintered layer formed by using a powder of iron, copper, iron alloy or copper alloy on said back metal; and an impregnated layer formed by impregnating a mixture of polytetrafluoroethylene resin powder, zinc powder and aluminum oxide powder to said porous sintered layer, said bearing material having excellent resistance to load, wear and scraping and being suitable for reciprocating sliding mechanisms receiving large and fluctuating loads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.