F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/147
F16K 15/00 (2006.01) E03B 7/14 (2006.01)
Patent
CA 1079610
ABSTRACT OF THE DISCLOSURE 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 com- partment 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.
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