Cooling process suitable for foam molding of a synthetic resin a

Details Cooling process suitable for foam molding of a synthetic resin a Cooling process suitable for foam molding of a synthetic resin a

1980-03-25

1982-04-27

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

249 79, 249 81, 264102, 264237, 425 4R, 425DIG9, B29D 2700

Patent

active

043270450

ABSTRACT:
This invention relates to a cooling process suitable for foam molding of a synthetic resin and its cooling apparatus. Cooling water which is supplied into a flowing pressurized gas is turbulently jetted in the form of a mist into the overall area of respective chambers in a pair of molds. The mist, adhering uniformly to the overall walls of the molds remove latent heat from the mold surface, and consequently uniformly cool the entire mold. Further, a large quantity of steam generated from the mist as well as excess mist are forcibly discharged outside the chambers by a preferred suction means including a blower, etc., whereby the cooling effect on the walls of the molds is further enhanced.

REFERENCES:
patent: 3141192 (1964-07-01), Benedetto
patent: 3156015 (1964-11-01), Harrison
patent: 3809735 (1974-05-01), Cotterell
patent: 3907397 (1963-07-01), Leach et al.

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