Drive apparatus for a multi-shaft extruder rotating in a...

Details Drive apparatus for a multi-shaft extruder rotating in a... Drive apparatus for a multi-shaft extruder rotating in a...

2007-02-27

2007-02-27

Soohoo, Tony G. (Department: 1723)

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

C366S100000

Reexamination Certificate

active

10980642

ABSTRACT:
A drive apparatus for an extruder with at least two co-rotating extruder screws having driveshafts includes a housing and a drive motor which is received in the housing and including a stator and a rotor. The rotor is operatively connected to driveshafts of the extruder screws and has arranged thereon a toothed surface in direct engagement with complementary toothed surfaces of at least two of the driveshafts of the extruder screws.

REFERENCES:
patent: 3359826 (1967-12-01), Hanslik
patent: 4170150 (1979-10-01), Selbach et al.
patent: 4253345 (1981-03-01), Munster
patent: 4586402 (1986-05-01), Schäfer
patent: 5103689 (1992-04-01), Dollhopf
patent: 6632009 (2003-10-01), Meyer
patent: 7090483 (2006-08-01), Middelberg
patent: 846 012 (1952-08-01), None
patent: 298 05 025 (1999-07-01), None
patent: 200 22 605 (2002-01-01), None
patent: 915 763 (1946-11-01), None

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