Method and apparatus for forming plastic lined junction in lined

Details Method and apparatus for forming plastic lined junction in lined Method and apparatus for forming plastic lined junction in lined

1974-10-24

1976-07-13

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

285 55, B23P 1500, F16L 2302

Patent

active

039685527

ABSTRACT:
Disclosed are methods and apparatus for effecting a fully lined junction between the end faces of two joints of plastic lined pipe. An annular groove is formed in the outer surface of the pipe at a predetermined distance from the end of the pipe joint and a ring fitted within the groove. A rigid flange having an internal shoulder which mates with the external surface of the pipe joint and the ring and which has a radially extending face is positioned over the ring and the end of the pipe joint so that the radially extending face lies in the same plane as the end face of the pipe. An end face liner having a cylindrical body which mates with the internal dimensions of the pipe liner and a radially extending flange is bonded within the open end of the pipe so that the radially extending flange mates with both the end face of the pipe and the radially extending face of the rigid flange.

REFERENCES:
patent: 1152973 (1915-09-01), Rice
patent: 1851574 (1932-03-01), Fiederlein
patent: 2998984 (1961-09-01), Gressel
patent: 3199879 (1965-08-01), Fleming
patent: 3228096 (1966-01-01), Albro
patent: 3235291 (1966-02-01), Jacoby
patent: 3473359 (1969-10-01), Joslin
patent: 3494813 (1970-02-01), Lawrence et al.
patent: 3615984 (1971-10-01), Chase

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