B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/26 (2006.01) B29B 11/08 (2006.01) B29C 45/14 (2006.01) B29C 45/17 (2006.01) B29C 45/73 (2006.01) B29C 45/76 (2006.01) B29C 49/02 (2006.01)
Patent
CA 2451119
A plastic article having a crystallized portion and an amorphous portion is formed. The article is produced by injecting molten plastic into a mold cavity of preform mold. The hot plastic within the mold cavity is quickly cooled in regions which are to be amorphous and more slowly cooled or heated in regions to be crystalline. The injection mold and include cooling channels for cooling the molten plastic and thermal insulting sleeve to insulate the region to be crystallized from the coolant. In another embodiment, heating elements can be located on the preform mold adjacent regions of the article to be crystallized.
Catoen Bruce
Koch Michael
Martin Laura
Schad Robert
Stracovksy Dan
Husky Injection Molding Systems Ltd.
Husky Intellectual Property Services
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