Patent · US Expired

Pipe connections

US6349978B1 · kind B1 · utility

27Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 2000
Grant dateFeb 26, 2002
Priority date
Expiry dateJul 24, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L37/0985
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A pipe connection has a coupling with one or more socket ends, the or each of which is defined by a circumferential wall surround in which a plurality of four spaced apertures are provided. An annular seal is provided at the inner end of the or each socket end. A collet is provided for location in the or each socket end, the or each collet has a corresponding plurality of four spaced resiliently mounted legs. The legs are co-parallel with the axis of the collet and has similar barb portions each to enter and be held in a corresponding aperture of the respective socket end whereby to hold the collet and therefore the seal in portion in the or each socket end.

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