Method of disposing of cooling units

Details Method of disposing of cooling units Method of disposing of cooling units

1990-12-12

1991-12-24

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 24, 241 57, 241DIG38, B02C 1108

Patent

active

050744771

ABSTRACT:
Useless refrigerators or other commodities which contain or consist of polyurethane foam wherein the cells confine fluorochlorohydrocarbon gas are relieved of refrigerant and lubricant prior to being comminuted into 1 cm.sup.3 cubes or similar particles. The particles are classified in a suction chamber to segregate comminuted foam from metallic and/or plastic materials, and the particles of foam are thereupon ground and/or otherwise pulverized to a size in the range of 0.1 mm. This destroys the cells and releases the gas which is filtered, condensed and mixed with water prior to confinement in vessels.

REFERENCES:
patent: 4067502 (1978-01-01), Moreu et al.
patent: 4230566 (1980-10-01), Faudree, III
patent: 4245999 (1981-01-01), Reinger
patent: 4304873 (1981-12-01), Klein

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