Pipe unfreezer

Details Pipe unfreezer Pipe unfreezer

1979-07-13

1981-02-17

Bleutge, Robert L.

Pipes and tubular conduits

Thawing and freeze protection

Portable thawing apparatus

138109, 151043SN, 134167C, 134198, 239602, F16L 5500, E03B 714, B08B 902

Patent

active

042509254

ABSTRACT:
Apparatus for unthawing frozen water pipe including a feed tube which is advanced into the frozen pipe having a probing end formed by pliant fingers forming a tip for the feed tube. The feed tube is directed into the pipe by a tube channeling length of hose means through which the feed tube passes loosely. A static pressure of water prevents leakage of water from the tube channeling length of hose means.

REFERENCES:
patent: 501744 (1893-07-01), Streeper
patent: 558992 (1896-04-01), Silver
patent: 1900275 (1933-03-01), Carter et al.
patent: 3195548 (1965-07-01), Lestakis
patent: 3345995 (1967-10-01), Pfaffenberger et al.
patent: 3959840 (1976-06-01), Sato
patent: 4050384 (1977-09-01), Chapman
patent: 4124039 (1978-11-01), St. Laurent

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