Coinjection of hollow articles and preforms

Details Coinjection of hollow articles and preforms Coinjection of hollow articles and preforms

B - Operations, Transporting

29

C

18/683, 18/703

B29C 45/16 (2006.01) B29C 45/18 (2006.01) B29C 45/73 (2006.01)

Patent

CA 1291610

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

536802

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