B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/142
B02C 23/08 (2006.01) B02C 23/20 (2006.01) B03B 9/06 (2006.01) B09B 3/00 (2006.01) B29B 17/02 (2006.01)
Patent
CA 2032397
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 cm3 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. Pulverized foam is collected in bags.
Walter Alfred
Walter Hans-Peter
Walter Hermann-Josef
Welter Cornelius
Welter Hubert
Fetherstonhaugh & Co.
Seg-Umwelt-Service Gmbh
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