Screw type extruding apparatus

Details Screw type extruding apparatus Screw type extruding apparatus

1989-09-06

1991-10-08

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

With upstream screen or perforated plate for straining,...

26421121, 26421123, 366 82, 425199, 425204, 425208, B29C 4738

Patent

active

050550276

ABSTRACT:
An extruding apparatus having a reservoir for reserving a treatment-object material including a main raw material, additives or auxiliary materials, a screw disposed within a material-conveying passage and for conveying the material to a terminal end, and an extruding die disposed at the terminal end and for extruding the material into a predetermined shape. The material-conveying passage includes a pair of discs disposed at intermediate positions in the conveying direction of the screw and opposed to each other transverse relative to the passage. Each of the discs defines a plurality of slit pores extending in the material conveying direction, with one disc being operatively coupled with the screw to be rotatable relative to the other disc. The disc pair constitutues a milling-kneading mechanism for milling and kneading the material by causing the material to pass through the slit pores formed by the disc pair.

REFERENCES:
patent: 4510110 (1985-04-01), Mazzoni

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