Pipe coupling
US4119333A · kind A · utility
46Cited by
3References
8Claims
0Family size
Inventor
Key dates
| Filing date | Jul 18, 1977 |
| Grant date | Oct 10, 1978 |
| Priority date | — |
| Expiry date | Jul 18, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L21/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe coupling comprising a housing which can be clamped about the pipe ends which are to be interconnected, there being enclosed within such housing an inwardly open gasket of substantially C-shaped cross-section having confronting legs constructed as sealing lips and the web of which bears against the inner surface or inside of the housing. The web is supported upon the sealing lips by a respective spiral or helical spring ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.