B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/708
B29C 45/26 (2006.01) B29C 45/03 (2006.01) B29C 45/73 (2006.01)
Patent
CA 2004521
A mold assembly for injection molding of plastics into integral shapes having a pair of main body portions which contain conduits for injection of plastic material and passageways for heating and cooling of the mold, and mold inserts which contain mold cavities of varying size and shape, the mold cavities cooperating to form a unitary integrally molded object. Passageways are provided in the main body portions with complimentary passageways in the inserts permitting the circulation of heating or cooling fluid through the entire mold assembly. Sealing means at the interface between the insert and the main body portion prevent leakage of heating or cooling fluid into the mold cavities.
King Richard J.
Wilbur David W.
Gowling Lafleur Henderson Llp
James River Corporation Of Virginia
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