Composite molding apparatus

Details Composite molding apparatus Composite molding apparatus

B - Operations, Transporting

29

C

18/682, 22/73

B29C 45/16 (2006.01) B22D 17/00 (2006.01) B22D 25/04 (2006.01)

Patent

CA 1154217

COMPOSITE MOLDING APPARATUS INVENTORS: Herbert Rees and James Dalibor Nevrela ASSIGNEE: Globe-Union Inc., a Delaware Corporation ABSTRACT OF THE DISCLOSURE An apparatus for injection molding composite art- icles from two materials includes a rotary mold block carrying a two material mold half between a first mate- rial mold half and a second material mold half; the rotary block providing, in sequence, a first material mold cavity and a composite material mold cavity in which latter cavity the second material is injected over, and preferably in positive engagement with, the first material. Core pins are carried in the rotary block which includes means to index the pins for providing core areas in the first material and subsequently retracting the pins to that the second material can flow into the core areas for positive engagement of the composite molded materials.

348837

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