Agitating – Rubber or heavy plastic working – Stirrer is through-pass screw conveyor
Reexamination Certificate
2008-01-08
2008-01-08
Cooley, Charles E. (Department: 1723)
Agitating
Rubber or heavy plastic working
Stirrer is through-pass screw conveyor
C366S081000
Reexamination Certificate
active
07316500
ABSTRACT:
A pin extruder for conveying polymeric material, especially elastomeric material, comprising a stationary extruder housing and an extruder screw rotatably mounted in the housing. A purality of radially outwardly extending pins are disposed on the extruder screw, at least a portion of which is embodied as a cylinder. The extruder housing, adjacent to the cylinder portion of the extruder screw, is provided with essentially helical conveyor paths and with openings for the pins.
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Becker Robert W.
Cooley Charles E.
Robert W. Becker & Assoc.
VMI - AZ Extrusion GmbH
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