Method for extruding linear polyolefin materials having high...

Details Method for extruding linear polyolefin materials having high... Method for extruding linear polyolefin materials having high...

B - Operations, Transporting

29

C

18/800

B29C 47/64 (2006.01) B29C 47/00 (2006.01) B29C 47/60 (2006.01)

Patent

CA 1162376

12,858 METHOD FOR EXTRUDING LINEAR POLYOLEFIN MATERIALS HAVING HIGH VISCOSITIES ABSTRACT OF THE DISCLOSURE A method is disclosed for the extrusion of low- density linear polyolefin materials having high viscosities, wherein such materials are continuously fed to and through a rotary extruder having feeding, transition and metering sections which comprises employing, in the extruder screw forming such sections in cooperation with the cylindrical interior of the extruder housing, opened leading edges for the screw flights of said sections; and gall-resistant coated surfaces on the screw flights of said sections. S P E C I F I C A T I O N

387197

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