GRANULATING SCREW EXTRUDER Russian patent published in 1997 - IPC

Abstract RU 2079405 C1

FIELD: processing highly concentrated poly-dispersed materials of higher viscosity. SUBSTANCE: granulating screw extruder includes a body, screw conveyer and multi-channel press-tool. Internal surface of the press-tool facing flow are provided with forming channels with start parts of different depth getting narrower. The depth varies from the center to periphery of the multi-channel tool to form convex surface of complicated shape. EFFECT: higher quality of granules. 3 dwg

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RU 2 079 405 C1

Authors

Ravichev L.V.

Bespalov A.V.

Dates

1997-05-20—Published

1995-05-05—Filed