MOLDING DEVICE HAVING HEATING AND COOLING FUNCTIONS
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United States of America Patent
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Issued Date -
Nov 8, 2018
app pub date -
May 1, 2018
filing date -
May 1, 2018
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Abstract
A molding device includes a lower die core assembly including a porous lower die core unit, an upper die core assembly including a porous upper die core, a heating assembly for heating the lower die core unit and the upper die core, and a control assembly operable to control temperature of an assembly of the lower die core unit and the upper die core to be direct proportional to a distance by which the upper die core is moved downwardly from a compression starting position where the upper die core comes into contact with the lower die core unit. The control assembly is further operable to control one of a heated gas and a cooled gas to be introduced into and discharged from the upper and lower mold core assemblies at different rates.
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