Twin screw extruder with high-speed bearing support

Details Twin screw extruder with high-speed bearing support Twin screw extruder with high-speed bearing support

1998-01-08

1999-10-05

Pyon, Harold

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

366 85, 425204, 425205, B29C 4758

Patent

active

059620366

ABSTRACT:
A twin screw extruder (10) including an elongated barrel (12), a pair of elongated rotatable screws (14) and (16) positioned within the barrel (12) for moving material therethrough, and a high-speed bearing support assembly (18) for supporting the screws (14, 16) against misalignment and wear. The bearing support assembly (18) includes a pair of rotors (42, 44) each operably coupled with corresponding extruder screws (14, 16) for rotation therewith and a stator member (46) coupled with the extruder barrel (12) for receiving the rotors (42, 44). The stator (46) includes a plurality of injection ports (62) for directing an edible lubricant such as liquid fat into the bearing assembly (18) during operation of extruder (10).

REFERENCES:
patent: 3947200 (1976-03-01), Fischer
patent: 5019310 (1991-05-01), Kobayashi
patent: 5055027 (1991-10-01), Sato

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