Scrolls for extruding machines

Details Scrolls for extruding machines Scrolls for extruding machines

1978-10-11

1980-05-06

Christian, Leonard D.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366318, B29B 106

Patent

active

042014816

ABSTRACT:
A rotatable scroll for a rubber extruding machine comprising a series of vanes in the base of channels in the scroll to redirect the material into a surface layer and to direct lumps of material to one edge of the channel and a ramp or ramps over which the lumps flow with a small clearance between the ramp and the barrel.

REFERENCES:
patent: 3946998 (1976-03-01), Menges et al.
patent: 4107260 (1978-08-01), Dougherty
patent: 4128341 (1978-12-01), Hsu

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