Patent · US Expired

Composite gasket

US5975539A · kind A · utility

15Cited by
25References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1997
Grant dateNov 2, 1999
Priority date
Expiry dateMay 9, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/123
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A cheap composite gasket is constructed in such manner that the sealing property and the vibration isolation are compatible. So, in the composite gasket, NBR rubber acting as a first hard elastic member is arranged at a position of a bolt portion, while NBR foam rubber acting as a second soft elastic member is disposed at a position of a liquid sealing portion, in a central core member consisting in a stainless steel plate.

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