Pipe thawing device

Details Pipe thawing device Pipe thawing device

1977-08-08

1978-07-25

Haroian, Harry N.

Pipes and tubular conduits

Thawing and freeze protection

Portable thawing apparatus

E03B 714, F16L 5300

Patent

active

041023587

ABSTRACT:
A portable, compartmented receptacle, having an air pressure compartment and a vacuum compartment. Pump means to create pressure in said air compartment and means to heat the air on said air compartment. Pump means to create a vacuum in said vacuum compartment. A fitting communicating the interior of a frozen pipe with the interiors of said air compartment and said vacuum compartment and valves in the lines of communication to control the air pressure and vacuum and means to drain said vacuum compartment.

REFERENCES:
patent: 604264 (1898-05-01), Phillips
patent: 1120837 (1914-12-01), Miller
patent: 2172082 (1939-09-01), Griffiths

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