Apparatus for freezing liquid-carrying pipes

Details Apparatus for freezing liquid-carrying pipes Apparatus for freezing liquid-carrying pipes

1989-02-23

1990-07-31

Capossela, Ronald C.

Refrigeration

Hand manipulable tool

138 97, 62384, F25D 300

Patent

active

049441612

ABSTRACT:
Apparatus for freezing liquid-carrying pipes, with an annular casing having an inwardly open cross-section, with a supply line, provided with a valve, for supplying a refrigerant to the interior of the casing, which is improved in that the casing (1) has two parts (2,3) which can be directly fixed together at right angles to the casing axis and with end walls (4,6;7,8) kept spaced by a jacket wall (9,11) and that a carbon dioxide supply lance (43) with its end face (44) having an opening can be brought up to the connecting face of the inside edges (41) of end walls (4,6;7,8).

REFERENCES:
patent: 2483082 (1949-09-01), Young et al.
patent: 2572555 (1951-10-01), Young et al.
patent: 3559423 (1971-02-01), Scheidler
patent: 3623337 (1971-11-01), Tremont
patent: 3742723 (1973-07-01), Grise
patent: 3857255 (1974-12-01), Elwood et al.
patent: 4309875 (1982-01-01), Radichio
patent: 4370862 (1983-02-01), Beister
patent: 4416118 (1983-11-01), Brister
patent: 4433556 (1984-02-01), Brady

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