Process for injection moulding multilayered articles

J.J.F. Kersemakers (Inventor), G.J.M. Martens (Inventor), H.E.H. Meijer (Inventor), Stamicarbon (Inventor)

Research output: PatentPatent publication

55 Downloads (Pure)

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.
Original languageEnglish
Publication statusPublished - 1989

Bibliographical note

Patent US4978493 1990-12-18 ; EP0254366(B1) 1988-01-27 ; NL8601883 1988-02-16 ; AT56179T 1990-09-15 ; DE3764737D 1990-10-11 ; GR3002533T 1993-01-25 ; JP63047115 1998-02-27 ; EP0254366 (B1) 1990-09-05

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