Mechanically restrained push-on pipe connection
US7997628B1 · kind B1 · utility
25Cited by
20References
14Claims
0Family size
Inventors
Key dates
| Filing date | Mar 6, 2009 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Apr 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49963
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An apparatus, system, and method for the secure attachment and restraint of a pipe end within a fitting is disclosed. The invention includes a mechanical restraint apparatus that is integral and monolithic with the flange of a bell of a spigot-and-bell joint architecture, along with one or more internally disposed grooves within the bell that receive a circumferential gasket, in order to maintain a seal about the pipe end when it is inserted into the bell. The inventive apparatus combines features of mechanical connections and push-on connections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.