Method of manufacturing molding and mixing device for...

Details Method of manufacturing molding and mixing device for... Method of manufacturing molding and mixing device for...

B - Operations, Transporting

29

C

B29C 47/04 (2006.01) B29B 7/42 (2006.01) B29C 47/00 (2006.01) B29C 47/06 (2006.01) B29C 47/10 (2006.01) B29C 47/58 (2006.01) B29C 47/60 (2006.01) B29C 47/76 (2006.01) B44F 9/02 (2006.01)

Patent

CA 2312147

A manufacturing technology by which clear colors and patterns can be brought out without a remarkable lowering of strength. Immediately before delivery to a metal mold, outer resin material 21 positioned on the main cylinder 11 inner wall side is put in the molten state, and inner resin material 22 positioned on the main screw 12 side is controlled to be from the softening temperature to the melting temperature both inclusive to be extrusion-molded as they are. For example, the temperature of a heater device for heating the main cylinder and the main screw is controlled.

Cette invention concerne une technique de fabrication à l'aide de laquelle on peut mouler des articles avec des couleurs transparentes et des motifs sans pour autant réduire sensiblement la solidité. Selon cette technique, un matériau (21) de résine extérieure situé sur la paroi latérale interne du cylindre principal (11) est, juste avant d'être placé dans un moule en métal, transformé à l'état de fonte, et le matériau (22) de résine intérieure placé sur le côté de la vis principale (12) est surveillé pour passer de la température de ramollissement à la température de fusion pour être tous deux moulés par extrusion tels qu'ils sont. Par exemple, la température d'un dispositif prévu pour chauffer le cylindre principal et la vis principal est contrôlée.

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