Patent · US Expired

Self lubricating silicon nitride article

US4650592A · kind A · utility

8Cited by
4References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 28, 1985
Grant dateMar 17, 1987
Priority date
Expiry dateMay 28, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C33/043
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An article is disclosed comprising particles of a silicon nitride based material and a lubricating material, the lubricating material occupying interconnected spaces within the article, the spaces being at least about 3% by volume of the article.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.