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Process and device for injection moulding an object consisting of a number of layers of different materials

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Abstract

The invention relates to a process for injection moulding of objects consisting of a number of layers of different materials, in which process the different materials ar successively and/or coaxially injected, in plasticated form, into a mould. Before being injected, the different materials are brought into a cavity (7) in the desired order and amounts, with the help of separate injection units (4-6) or by means of a distributor (3), which distributor consists of elementary modules (8-13), each of which is capable of creating a certain combination and configuration of materials in the cavity (7), upon which the contents of the cavity are injected into the mould. The invention relates also to a device for injection moulding objects consisting of a number of layers of different materials.

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