Apparatus for the lining of existing pipes

Details Apparatus for the lining of existing pipes Apparatus for the lining of existing pipes

1991-11-29

1992-12-01

Gorski, Joseph M.

Metal working

Means to assemble or disassemble

Tube and coextensive core

29235, 29819, B23P 1904

Patent

active

051670569

ABSTRACT:
An apparatus for lining installed pipework which includes a swaging die which is attached directly or indirectly to the pipe to be lined, pulling structure attached to the leading end of the liner pipe and threaded through the pipework to reduce the external diameter of the liner pipe by up to 15%, pushing structure located between the die and the pipework, and heating and cooling apparatus for the liner pipe.

REFERENCES:
patent: 2794758 (1957-06-01), Harper et al.
patent: 3440858 (1969-04-01), Motley et al.
patent: 3551983 (1971-01-01), Newbury
patent: 3552178 (1971-01-01), Felgar, Jr.
patent: 3754429 (1973-08-01), Creuzet
patent: 3774286 (1973-11-01), Reed

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