Patent · US Expired

Integral foamed plastic sliding bearings

US4291927A · kind A · utility

4Cited by
5References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 2, 1979
Grant dateSep 29, 1981
Priority date
Expiry dateMar 2, 1999

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16C2220/04
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Sliding bearings of all types, including axial, radial, and linear bearings and combinations thereof, are described which are composed of integral foamed molded plastic by processes known in the art per se to provide unitary bearing structures having surface and/or interior portions of hard material and surface and/or interior portions of porous material, said porous material being saturated with a lubricant and acting to release said lubricant to a sliding bearing.

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