Method and apparatus of cooling product within a mold

Details Method and apparatus of cooling product within a mold Method and apparatus of cooling product within a mold

1998-03-09

2000-04-25

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Treating shaped or solid article

By a temperature change

264508, 264568, 264573, 4253261, 425446, B29C 4788

Patent

active

060540893

ABSTRACT:
A method of forming a plastic product comprises extruding molten plastic into a mold having a mold wall with product shaping interior face. After shaping the product in the mold, the method includes introducing gas via a gas inlet through the mold wall onto the product to cool both the product and the mold and then discharging the gas from the mold at a location remote from the gas inlet.

REFERENCES:
patent: 4226580 (1980-10-01), Lupke et al.
patent: 4492551 (1985-01-01), Hegler et al.
patent: 5525289 (1996-06-01), Lupke et al.

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