Pipe joint and related method
US8678449B2 · kind B2 · utility
1Cited by
87References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2012 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Apr 10, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A pipe joint for plastic pipe includes a bell member and a spigot member. The bell member includes a tubular plastic body wall having a metal reinforcement ring. The spigot member, which is insertable into the bell member, includes a tubular plastic body wall having an internal surface and an external surface and a longitudinal axis and metal reinforcement encased within the tubular plastic body wall. A plurality of plastic ribs extend from the external surface of the tubular plastic body wall and form a gasket channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.