Tri-injection of hollow articles

Details Tri-injection of hollow articles Tri-injection of hollow articles

B - Operations, Transporting

29

C

18/682

B29C 45/16 (2006.01)

Patent

CA 1284412

ABSTRACT OF THE DISCLOSURE Apparatus and method for tri-injecting a plurality of thermoplastic materials to mold an article having a layered wall structure using thermoplastic materials having different optimum processing temperatures including the maintenance of the optimum temperatures in flow paths individual to each material from its source at least to the injection nozzle.

567048

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