Patent · US Expired

Restrained pipe joint and associated snap-ring

US4428604A · kind A · utility

19Cited by
17References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 12, 1981
Grant dateJan 31, 1984
Priority date
Expiry dateMar 12, 2001

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L21/08
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pipe joint is locked against separation by a split snap-ring assembly including a ring adjustor outside of the plane of the snap-ring. The snap-ring assembly is especially well suited for use with spigot and socket joints of large diameter pipe.

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