Method for blow molding and cooling plastic articles

Details Method for blow molding and cooling plastic articles Method for blow molding and cooling plastic articles

1976-09-23

1978-05-23

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With step of cooling to a temperature of zero degrees c. or...

264 97, 264 98, 425526, B29C 1707, B29C 2500

Patent

active

040910598

ABSTRACT:
A technique for internally cooling a blow molded article with a coolant comprising a mixture of subzero temperature dry air and water. A pressure swing dessicant bed type dryer and chiller are used to supply the dry air having a dew point of the order of -60.degree. F and a temperature ranging from -30.degree. to -50.degree. F for introduction into the blow molded article.

REFERENCES:
patent: 3127458 (1964-03-01), Scott, Jr. et al.
patent: 3233416 (1966-02-01), Rainwater et al.
patent: 3930779 (1976-01-01), Farrell

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