Lined pipe joint
US4709946A · kind A · utility
9Cited by
6References
3Claims
0Family size
Inventor
Key dates
| Filing date | Feb 20, 1987 |
| Grant date | Dec 1, 1987 |
| Priority date | — |
| Expiry date | Feb 20, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L58/182
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed is a method and apparatus for forming a pipe joint for securing lined pipe sections together. A portion of the liners of adjacent pipe sections are overlapped and compressed when the pipe joint is made up so as to seal against the migration of pressurized fluids from within the pipe sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.