Pipe joint
US5725257A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | May 14, 1996 |
| Grant date | Mar 10, 1998 |
| Priority date | — |
| Expiry date | May 14, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S285/921
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pipe joint comprises a pipe having a spigot formed with an annular projection on an outer periphery of an end portion of the pipe, a member having a socket including a tubular portion for receiving the spigot therein and formed with an aperture in a peripheral wall of the tubular portion, the socket being internally formed with a bearing portion for receiving and bearing on the annular projection when the spigot is inserted into the socket, a resilient stopper mountable on the tubular portion of the socket and having a fitting portion fittable in the aperture, and a tubular stopper holder capable of covering the stopper. The stopper holder is so fixed as to cover the stopper by a recess formed in an outer surface of the stopper and an inward protrusion formed on the stopper holder and fittable in the recess. The fitting portion of the stopper is fitted into the socket aperture in an inwardly projecting state when the stopper is mounted on the socket tubular portion, and the annular projection of the spigot is fixedly positioned between the bearing portion and the stopper fitting portion when the spigot is inserted into the socket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.