Method and apparatus for mold temperature control using air

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to heat or cool

Reexamination Certificate

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Details

C425S547000, C425S143000, C425S144000, C425S170000, C264S040600, C264S328160, C249S079000

Reexamination Certificate

active

10632066

ABSTRACT:
A method and apparatus for controlling the temperature of an injection mold passes pressurized air contained in an air supply tube through an orifice into an exhaust channel, wherein the pressure of the air in the exhaust channel is lower than the pressure of the air in the air supply tube. As the pressurized air is released through the orifice, cooling is produced that can be applied to a portion of an injection mold where cooling is desired, in order to control the temperature of that portion of the injection mold.

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