Patent · US Expired

Memory metal connector

US4621844A · kind A · utility

9Cited by
12References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 6, 1984
Grant dateNov 11, 1986
Priority date
Expiry dateSep 6, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L1/26
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A connector for joining pipe ends is provided having heat expandable or contractable memory metal rods individually connecting a wedge ring and gripping wedge collet. Each ring and collet are in abutting relationship and coact to grip a pipe end.

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