Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Plural wear or shaping surfaces mounted for alternative use
Patent
1996-11-13
1998-05-05
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
With apparatus assembly or dismantling means or with idle part
Plural wear or shaping surfaces mounted for alternative use
425185, 425311, 425313, 4253823, B29C 4730, B29B 906
Patent
active
057470774
ABSTRACT:
A granulating device, and a granulating method for thermoplastic resin material, in which a screw type kneading and extruding machine for kneading, extruding and melting the thermoplastic resin material, a die holder connected to a front end portion of the screw type kneading and extruding machine, the die holder including a passage through which the melted resin material flows, a change-over valve and at least two outlets, the passage selectively connected to the outlets with the change-over valve, a first and a second dies, for forming the melted resin material into a plurality of pieces of string, connected respectively to the outlets to adapt to different ranges of viscosity of the melted resin material, and a first and a second cutter units including cutters moved respectively along extruding planes of the first and second dies to cut the string-shaped resin material into small pieces, and cooling and solidifying sections for cooling and solidifying the small pieces of thermoplastic resin material.
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Ishida Masaharu
Kobayashi Nobuhisa
Mizuguchi Hideki
Yoshida Minoru
Davis Robert
The Japan Steel Works Ltd.
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