Plastic and nonmetallic article shaping or treating: processes – Disparate treatment of article subsequent to working,... – Effecting temperature change
Reexamination Certificate
2011-06-21
2011-06-21
Gupta, Yogendra N (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Disparate treatment of article subsequent to working,...
Effecting temperature change
C165S047000, C165S104190, C264S348000, C425S547000, C425S552000
Reexamination Certificate
active
07964129
ABSTRACT:
An arrangement to assist in heat transfer through a mold for applications such as injection molding of plastics material including at least one closed chamber within the mold, the chamber being only partially filled with fluid and a remainder of the chamber being filled with substantially only vapor of the fluid within the chamber, at least a portion of the chamber being positioned to transmit heat from a targeted location of the mold into fluid within the chamber, and condensing means adapted by reason of heat exchange to effect condensation of vapor within the chamber, the mold being arranged in that the fluid, such as water, is arranged to be held in the chamber in such a way that the fluid will be distributed to reach or be held at different heights within the chamber.
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English translation of JP 62-107853 A, ‘Temperature Control Device for Metal Mold’, Katsuhiko Takahashi, et al., 14 pages.
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ARC IP Law, PC
Gupta Yogendra N
Luk Emmanuel S
Mayo Joseph J.
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