Patent · US Expired

Faced-ring seal with diaphragm

US4150834A · kind A · utility

2Cited by
1References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 1, 1978
Grant dateApr 24, 1979
Priority date
Expiry dateMay 1, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/916
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A faced-ring seal with diaphragm, the elastic means of holding the moving faced ring against the stationary one consisting of an initially flat annular diaphragm, fixed at its periphery to the stationary support. The static sealing means being a pliable elastic O-ring in simultaneous contact with the diaphragm near its inner rim, with a cylindrical boring in the support and with an exterior conical bearing surface on the stationary faced ring on the side away from its surface of contact with the moving faced ring.

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