Preform of a thermoplastic

B - Operations – Transporting – 65 – D

Patent

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B65D 1/00 (2006.01) B29C 31/00 (2006.01) B29C 49/14 (2006.01) B29C 49/22 (2006.01) B29C 49/54 (2006.01) B29C 55/30 (2006.01) B29C 59/04 (2006.01) B29C 67/00 (2006.01) B65D 1/02 (2006.01)

Patent

CA 1185195

Abstract of the Disclosure A preform of thermoplastic material composed of a number of separate part-preforms fitted into one another in readiness for blow molding to form a finished container. At least one of the part-preforms is stretched in the axial direction to provide crystallinity by monoaxial orientation. The part-preforms are singly or jointly provided with barrier layers. Different plastic materials can be used for the part-preforms as well as reprocessed plastic for one of the part-preforms. Through suitable selection of the material of the part-preforms as well as of the material of the barrier layers, it is possible to mold containers suitable for a great variety of different fields of application.

378547

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