Injection mold for molding internally threaded plastic article

Details Injection mold for molding internally threaded plastic article Injection mold for molding internally threaded plastic article

B - Operations, Transporting

29

C

18/713

B29C 45/26 (2006.01)

Patent

CA 1096123

SPECIFICATION E. BERT W. GALER INJECTION MOLD FOR MOLDING INTERNALLY THREADED PLASTIC ARTICLE ABSTRACT OF THE DISCLOSURE A core for the injection molding of plastic articles having internal threads, provides a means for readily releasing the article from the mold. The core has a non-rotating, water-cooled center section to hold the molded article against rotary motion and a driven, water-cooled ring section for molding threads in the article. Rotation of the ring section coupled with the holding action of the stationary center section releases the molded thread and ejects the article from the core by the axial force of the thread of the core bearing against the molded thread of the article.

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