Patent · US Expired

Bearing material

US4000982A · kind A · utility

36Cited by
8References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1975
Grant dateJan 4, 1977
Priority date
Expiry dateApr 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.