Patent · US Expired

Seals

US4247123A · kind A · utility

3Cited by
6References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 22, 1979
Grant dateJan 27, 1981
Priority date
Expiry dateMay 22, 1999

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/3456
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An end face seal has a sealing bush with an external circumferential shoulder and is surrounded by an elastomeric loading sleeve which has an inwardly-directed frusto-conical diaphragm abutting the shoulder to load the sealing bush and a radial web directed towards the sealing bush.

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