Patents
United States Patent 4798473
Douris , ê et al. January 17, 1989
Extruder screw
Rauwendaal January 17, 1989
Abstract
An extruder screw designed to operate in a continuous diameter barrel-type housing having a variable flight width, helix angle and radical clearance along the length of the extruder screw to reduce extruder screw induced power consumption and stock temperature generation in the manufacture of linear low density polyethylene plastics.
Feed Screws
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