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United States Patent 6048088
Douris , ê et al. April 11, 2000


Multi-shaft screw-type extruder, in particular twin-shaft extruder

Haring , Ê et al. April 11, 2000

Abstract

A multi-shaft screw-type extruder having a casing with two parallel intersecting casing bores and two shafts drivably disposed in the casing bores. Screw elements intermeshing kneading disks are fixed on the shafts The widths of the respective crest portions of the kneading disks are smaller than the disk width and form mixing-and-scraping-studs on the periphery of the disks. The mixing-and-scraping-studs on each kneading disk are axially misaligned relative to each other such that their peripheral faying surfaces jointly cover the entire disk width.

 

 

 

 

 

 

 

 

 

 

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