Patent · US Expired

Mechanical seal assembly

US4183541A · kind A · utility

11Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 31, 1977
Grant dateJan 15, 1980
Priority date
Expiry dateOct 31, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/91
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A mechanical seal assembly especially constructed for use in low temperature environments in which an elastomer, i.e., an O-ring made of natural or synthetic rubber, is used as a substitute for the generally accepted and more expensive lapped or other types of joints.

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