Apparatus for extruding plastic material

Details Apparatus for extruding plastic material Apparatus for extruding plastic material

1974-04-10

1976-01-06

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

425461, B29F 306

Patent

active

039307824

ABSTRACT:
Apparatus for extruding plastic materials through a die and including a screw extruder in which compounding is to be carried out, a feed means for the compounded material, and a positive displacement delivery means through which compounded materials can be passed to said die, said positive displacement delivery means serving to meter the compounded materials and generate the required extrusion pressure at the die head.

REFERENCES:
patent: 2680880 (1954-06-01), Corbett
patent: 2767437 (1956-10-01), Marshall
patent: 3078513 (1963-02-01), Levinson et al.
patent: 3110930 (1963-11-01), Beck
patent: 3499186 (1970-03-01), Sassa
patent: 3649147 (1972-03-01), Fritsch

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