Fluid cooling of molds

C - Chemistry – Metallurgy – 03 – B

Patent

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C03B 9/38 (2006.01) B29C 33/02 (2006.01) B29C 33/04 (2006.01) B29C 35/00 (2006.01)

Patent

CA 1053466

FLUID COOLING OF MOLDS ABSTRACT OF THE DISCLOSURE A mold for controllably removing heat from a heated mass of thermoplastic material. A split mold is opened to allow removal of a stable article after heat is removed there- from during a period of time when the mold is closed. Each mold section is made up of three major parts: an insert portion which has a cavity formed therein for defining a part of the final shape of the article; a partial conductive heat transfer barrier sleeve; and an insert holder having a plurality of passages formed therein through which a cooling fluid circulates, the barrier sleeve being positioned in con- tact with the insert holder and the insert portion and inter- mediate those two elements, all three elements being assembled together as a complete unit.

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