Pipe treating method and apparatus

Details Pipe treating method and apparatus Pipe treating method and apparatus

1993-02-17

1995-03-28

Hughes, Tom

Metal working

Method of mechanical manufacture

Repairing

29 26A, 294263, 294264, 29282, 408 24, 408 25, 408 31, 137 15, 137318, B23P 600, F16L 5518

Patent

active

054004926

ABSTRACT:
A device and method for removing a branch fitting from a tapped hole in a main water distribution pipeline under pressure includes a water-tight housing adapted to fit on to the pipeline over the fitting. A cutter is provided within the housing to sever the fitting and other devices include a tool holder for use in removing a part of the fitting left in place after severing. Thus, the fitment can be removed and replaced without closing off the water supply within the main distribution pipeline.

REFERENCES:
patent: 3357445 (1967-12-01), Daugherty
patent: 3773067 (1973-11-01), Ray
patent: 3822718 (1974-07-01), Peterson
patent: 3995655 (1976-12-01), Sands
patent: 4431017 (1984-02-01), Willemsen
patent: 4497332 (1985-02-01), Sewell et al.
patent: 5099868 (1992-03-01), Weber

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