Refrigeration – Hand manipulable tool
Patent
1995-12-26
1996-11-05
Sollecito, John M.
Refrigeration
Hand manipulable tool
165 46, 239DIG12, 137825, F25D 300
Patent
active
055712339
ABSTRACT:
An apparatus for freezing water in a pipe at a given location including a tank having an amount of pressurized gas disposed therein at a temperature below the freezing point of water; a valve coupled to the tank and openable for allowing the gas to be expelled; a flexible discharge hose having a proximal end coupled to the valve and a distal end extended therefrom; and a flow nozzle coupled to the distal end the discharge hose, each flow nozzle having a fabric sleeve, an elastomeric pad with a hollow interior slidably inserted within the sleeve, a plurality of through holes formed on one side of the pad, a tubular coupler having an inboard end secured to the pad and in communication with the interior and an outboard end removably coupled to the distal end of the hose, and a coupling mechanism secured to the sleeve for removably coupling the sleeve to the pipe, whereby when the flow nozzle is wrapped around the pipe and the valve is opened, gas flows through the discharge hose and out the flow nozzle for cooling the pipe and freezing water therein.
REFERENCES:
patent: 3498071 (1970-03-01), Tremont
patent: 3742723 (1973-07-01), Grise
Ferris Joseph
Rolland Mark
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