Methods and apparatus for injection molding and injection...

Details Methods and apparatus for injection molding and injection... Methods and apparatus for injection molding and injection...

B - Operations, Transporting

29

C

18/682

B29C 45/16 (2006.01) B29C 49/22 (2006.01) B65D 1/28 (2006.01)

Patent

CA 1256257

ABSTRACT OF THE DISCLOSURE In a method of forming multi-layer plastics articles employing a multi-cavity injection molding machine, a combined material stream is injected from each of a plurality of coin- jection nozzle means of the machine into an associated injec- tion cavity to form each article. The method further involves providing streams of polymeric materials to form the corre- sponding layers of the articles, and moving each material stream separately to each of the nozzle means, forming the combined stream in the plural nozzle means from the separate material streams, and injecting the combined streams to form the multi-layer plastics articles.

451813

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