Pipes and tubular conduits – Thawing and freeze protection – Portable thawing apparatus
Patent
1977-07-28
1978-11-07
Aegerter, Richard E.
Pipes and tubular conduits
Thawing and freeze protection
Portable thawing apparatus
E03B 714
Patent
active
041240391
ABSTRACT:
Machine for thawing frozen pipes by forcing hot water from a heated reservoir through a flexible tube advanced into the pipe as the ice melts with means to return water and melt to the reservoir through a duct sealed to the end of the pipe.
REFERENCES:
patent: 168352 (1875-10-01), Sloan
patent: 1243973 (1917-10-01), Philippon
patent: 1361023 (1920-12-01), Darley
Aegerter Richard E.
Footland L.
Hulbert W. R.
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