Apparatus for plasticizing particulate plastic material

Details Apparatus for plasticizing particulate plastic material Apparatus for plasticizing particulate plastic material

1992-09-09

1994-10-25

Woo, Jay H.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

264 406, 264 68, 366 89, 366294, 366295, 366296, 425144, 425204, 425207, 4253823, 425DIG22, B29B 746, B29B 1302, B29C 4750, B29C 4780

Patent

active

053583272

ABSTRACT:
A plasticizing apparatus (10) including a barrel (12) having a bore (14) therethrough. An auger (24) and a rotor (30) are positioned in the bore, each extending from opposed ends (16, 18) of the barrel (12) and having ends (26, 34) that are substantially flush. The auger (24) conveys particulate plastic material along the bore (14), the plastic being frictionally melted before passing the auger discharge end (26). The rotor (30) is provided to uniformly heat the melted plastic. Auger (24) and rotor (30) each are associated with independent means for rotating (28, 32) and means for controlling the speed of rotation (50, 52). The speed of rotation of the auger (24) controls the flow rate of plastic through the bore, and the speed of rotation of the rotor (30) controls the temperature of the melted plastic.

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