Pipe fittings
US6761379B1 · kind B1 · utility
0Cited by
16References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2001 |
| Grant date | Jul 13, 2004 |
| Priority date | — |
| Expiry date | Nov 24, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L43/001
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe fitting includes a hollow body and at least one open end for connection to a pipe fitting, the end including internal screw threads. The end includes an integral extension collar which has an inner diameter larger than the screw threads for surrounding unused trailing screw threads of a pipe joined to the fitting and forming an annular gap for holding a sealing compound. The collar has a wall of a comparable thickness to the and an outer diameter larger than the body of the fitting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.