Method for recycling thermal insulation material, recycled article and refrigerator
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United States of America Patent
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N/A
Issued Date -
Jul 27, 2006
app pub date -
Aug 6, 2003
filing date -
Aug 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Refrigerators containing vacuum insulation material which has glass fiber assembly as the core material and rigid urethane foam are pulverized separately from refrigerators not containing vacuum insulation material, and the waste thermal insulation materials discharged from these types of refrigerators are stored in different recovery towers for waste thermal insulation materials. In an inorganic material content adjusting process, appropriate amounts are fed from the respective recovery towers into a mixer so as to prepare mixed waste materials whose inorganic material content has been adjusted. In the subsequent waste material processing process, the mixed waste materials with an adjusted percentage of inorganic material content are subjected to an appropriate powdering operation, and the resulting powder is sealed into a packaging member under a reduced pressure so as to obtain vacuum insulation material.
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