Method of forming a pipe socket

Details Method of forming a pipe socket Method of forming a pipe socket

1989-08-03

1991-10-15

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

285374, 285423, 264273, 264274, 264275, 264279, 2643282, 2643288, 264322, 425392, 425DIG218, B29C 4514, B29C 5700

Patent

active

050572636

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.

REFERENCES:
patent: 3791678 (1974-02-01), DePutter
patent: 4038359 (1977-07-01), Pendleton
patent: 4231983 (1980-11-01), French
patent: 4372905 (1983-02-01), Bohman
patent: 4406852 (1983-09-01), Riegel
patent: 4410479 (1983-10-01), Cyriax
patent: 4428899 (1984-01-01), Van Manen
patent: 4468367 (1984-08-01), Beune et al.
patent: 4474723 (1984-10-01), Irmer
patent: 4743422 (1988-05-01), Kalvis-Nielsen et al.
patent: 4834428 (1989-05-01), Pritchatt

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