Patent · US Expired

Seal assembly

US4027816A · kind A · utility

22Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 18, 1975
Grant dateJun 7, 1977
Priority date
Expiry dateApr 18, 1995

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/166
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An improved seal assembly for sealing between relatively movable members in an oil tool or the like including a split protective ring held in position by a seal ring having a circumferential locking shoulder.

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