Method of degassing a flowable mass in a ring extruder

Details Method of degassing a flowable mass in a ring extruder Method of degassing a flowable mass in a ring extruder

2011-07-19

2011-07-19

Sorkin, David L (Department: 1774)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

C366S085000, C425S204000

Reexamination Certificate

active

07981340

ABSTRACT:
The method of degassing is performed in a ring extruder wherein at least one process chamber is provided with at least one degassing opening. The radius R of the conveyor element in the degassing zone is smaller by ΔR than the full radius Rv of the conveyor element required for the mutual stripping of adhering product in a closely intermeshing screw operation with adjacent conveyor elements.

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patent: 2004/0094862 (2004-05-01), Sturm et al.

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