Process and device for producing foam casings with CFC-free poly

Details Process and device for producing foam casings with CFC-free poly Process and device for producing foam casings with CFC-free poly

1994-08-02

1997-06-10

Kim, Christopher

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422131, 422224, 264 455, 4285428, C08F 200

Patent

active

056372779

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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patent: 4824732 (1989-04-01), Hendry et al.
patent: 4990083 (1991-02-01), Bernhardt
patent: 5071881 (1991-12-01), Parfondry et al.
patent: 5270013 (1993-12-01), Decker
Database WPI, Sec. Ch, Wk 9220, AN 92-164622, Hercules Inc., `Mechanical poppets for inerting and venting closed moulds`--for prodn. of parts by reaction injection moulding and.
Research Disclosure, Bd. 336, Nr. 096 Apr. 10, 1992, Emsworth GB, p. 307, XP305031 Hercules Incorp. `Mechanical poppets for inerting and venting closed moulds`.

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