HOLLOW OBJECTS, IN PARTICULAR PLASTIC PREFORMS HAVING A BARRIER LAYER AND METHOD OF INJECTION MOULDING THE OBJECTS AND APPARATUS FOR MANUFACTURING OBJECTS

摘要

Hollow form, in particular to form convertible to retain holders (50) composed of a double base layer (11) consisting of a primary material (A) polymer, and a secondary intermediate layer (12) which is included in the base layer (11) comprising a secondary material (B), remarkable in that the secondary material (B) consists of a support material in which a tertiary material (C) as an initiator or / resp. activator material in recorded by formation of a barrier between the interior composite layer (12), and method of, resp. device for the manufacture thereof.