Patents
United States Patent 5447190
Douris , ê et al. September 5, 1995
Device and method for cooling an extrusion cylinder
Denisart , Ê et al. September 5, 1995
Abstract
A longitudinal stream of cooling air is caused to flow around the cylinder and over the length of each of one or more heating-and-cooling zones. This longitudinal flow is facilitated by specially designed cooling fins. The performance of the extruder is improved in that the temperature over the cross-section of the cylinder is more uniform. Moreover, wear and tear on the extrusion screw and on the cylinder are greatly reduced.
Feed Screws
Barrels
Augers
Static Mixers
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