Process and device for producing foam casings with CFC-free polyurethane foams
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United States of America Patent
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Jun 10, 1997
Grant Date -
N/A
app pub date -
Aug 2, 1994
filing date -
Aug 17, 1993
priority date (Note) -
In Force
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Importance
Abstract
A process and device for foaming casings, particularly refrigerator casings, with a blowing agent which can form an explosive mixture with atmospheric oxygen during evaporation which reduce the risk of explosion by introducing inert gas into the space in which the foam is to be formed by means of a servo-controlled inlet valve.
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Cited Art Landscape
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