Double worm extruder with meshing screws

Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor

Patent

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Details

366301, 425204, 425209, B01F 708

Patent

active

053502310

ABSTRACT:
A double worm extruder has the ribs of its screws of trapezoidal cross section between divergent flanks to minimize wear of the housing surface.

REFERENCES:
patent: 2048286 (1936-07-01), Pease
patent: 3114171 (1963-12-01), Colombo
patent: 4818206 (1989-04-01), Maillefer
patent: 4913641 (1990-04-01), Zahradnik

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