Mold cooling by recovery of energy from spent compressed air...

Details Mold cooling by recovery of energy from spent compressed air... Mold cooling by recovery of energy from spent compressed air...

2006-12-08

2010-12-28

Tucker, Philip C (Department: 1745)

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With heating or cooling means

C425S522000, C264S523000, C264S526000, C264SDIG050

Reexamination Certificate

active

07857613

ABSTRACT:
Heat is extracted from compressed gas used in a blow-molding process by expansion cooling the exhausted gas and/or passing the exhausted gas through a vortex tube, which supplies cold gas at an exit thereof. The cold gas is then routed through cooling channels in the mold. This obviates the need for recirculating or externally chilling a coolant and saves energy.

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patent: WO2005/123357 (2005-12-01), None
patent: WO2007/017429 (2007-02-01), None

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