Mold having a coaxial cooling and heating coil structure

Details Mold having a coaxial cooling and heating coil structure Mold having a coaxial cooling and heating coil structure

2009-12-18

2011-11-08

Heitbrink, Timothy (Department: 1744)

Plastic article or earthenware shaping or treating: apparatus

Female mold and charger to supply fluent stock under...

With means to heat or cool

C425S548000, C425S552000

Reexamination Certificate

active

08052415

ABSTRACT:
The present invention relates to a coaxial cooling/heating coil structure and a mold configured with the same, in which the coaxial cooling/heating coil is comprised of: a frame, configured with a cooling channel having an inlet, provided for a cooling water to flow therein, and an outlet, provided for discharging the cooling water therefrom; and a heat-conducting coil, disposed inside the cooling channel. The coaxial cooling/heating structure is fitted to a mold to be used for enhancing the preheating efficiency of the mold while improving the time required for cooling the mold.

REFERENCES:
patent: 5055025 (1991-10-01), Muller
patent: 5423670 (1995-06-01), Hamel
patent: 92123775 (2004-12-01), None
patent: 92123778 (2005-03-01), None
patent: 94127663 (2007-02-01), None

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