Pipe part with a socket end
US4362323A · kind A · utility
47Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1981 |
| Grant date | Dec 7, 1982 |
| Priority date | — |
| Expiry date | Feb 24, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L47/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Pipe with socket end provided with an annular groove chamber containing a sealing ring supported by a support ring, which support ring compresses the sealing ring less than the final inserted spigot end. The support ring closes the groove and the sealing ring or the closed space is provided with lubricant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.