Memory metal connector
US4489964A · kind A · utility
14Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 1981 |
| Grant date | Dec 25, 1984 |
| Priority date | — |
| Expiry date | Dec 30, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49865
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A connector for joining pipe ends is provided having two memory metal lock rings which are heat-shrinkable about a pipe end and a memory metal rod/wedge ring, heat-shrinkable at a higher temperature or in a delayed mode, to secure the lock rings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.