Process of making injection moldings and injection mold for...

Details Process of making injection moldings and injection mold for... Process of making injection moldings and injection mold for...

B - Operations, Transporting

29

C

18/702

B29C 45/22 (2006.01) B29C 45/14 (2006.01) B29C 45/16 (2006.01) B29C 45/20 (2006.01) B29C 45/27 (2006.01)

Patent

CA 1260660

ABSTRACT An injection mold comprises two or more mold sections, which enclose a cavity for molding an injection- molded part. The mold cavity is adapted to be supplied with the molding material through at least one entrance opening. The injection mold is maintained at a temperature at which the molding material is set. Said molding material is injected in a liquid state at a greatly differing tem- perature. To simplify the injection molding operation, to avoid damage by the removal of sprues, and to accelerate the manufacture, the molding material is injected through the entrance opening directly into the cavity by means of at least one injection nozzle. The injection mold comprises an injection nozzle having a nozzle tip which fits the entrance opening.

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