Mixing and venting extruder

Details Mixing and venting extruder Mixing and venting extruder

1976-01-08

1977-01-25

Hornsby, Harvey C.

B29B 110, B01F 708, B01F 1502

Patent

active

040047873

ABSTRACT:
An extrusion apparatus for use with thermoplastic materials has a withdrawable rotor which is mounted on a piston motivated carriage, the carriage having anti-vibration mounting members to reduce loads on the rotor. A gaseous vent chamber is operable in conjunction with a reversible extruder screw and a waste mix ejection arrangement, to prevent undesirable contamination or incompletely mixed material from the extruded product.

REFERENCES:
patent: 3239878 (1966-03-01), Ahlefeld et al.
patent: 3666386 (1972-05-01), McElroy et al.
patent: 3811658 (1974-05-01), Heidrich

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