Tube extracting and replacing apparatus

Details Tube extracting and replacing apparatus Tube extracting and replacing apparatus

1984-12-14

1987-02-17

Davis, Jr., Albert W.

Heat exchange

With repair or assembly means

29726, 291574, F28F 700

Patent

active

046432477

ABSTRACT:
An extracting and replacing assembly for a heat exchanger or similar device. It comprises, on each end of the tubing of the heat exchanger, a vertical track mounted on each side of the heat exchanger, together with a vertical carriage movable on the track. A horizontal positioning track is carried by the vertical carriages, along which a horizontal positioning carriage is movable so as to be selectively positioned on the ends of any of the tubes of the heat exchanger. Such horizontal positioning carriage supports a tubing coil straightener and coil mount, a tube extraction system, a drive mechanism for severed tubes, a portable cutter for removing the sealed weld, a tube expansion roller, and/or automatic seal welder. Thus, tubing can be selectively removed and replaced in a minimum amount of time and at a minimum of expense in the confined and restrictive atmosphere that exists in may power generating plants.

REFERENCES:
patent: 3120700 (1964-02-01), Chuplis, Jr.
patent: 3125800 (1964-03-01), Klima
patent: 3837062 (1974-09-01), Ohmstede
patent: 4104790 (1978-08-01), Hindrichs
patent: 4547963 (1985-10-01), Ohmstede

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