Method of forming a pipe socket
US5057263A · kind A · utility
8Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1989 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Aug 3, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/218
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of forming at the end portion of a thermoplastic material pipe in a pipe socket. The pipe end portion is molded around an annular sleeve onto which is bonded a sealing ring having an outer sealing ring adapted for sealing against the pipe end portion and an inner sealing ring, connected to the outer sealing ring, adapted for sealing against an outer surface of a spigot end of a connecting pipe introduced into the socket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.