Plastic and nonmetallic article shaping or treating: processes – With step of cleaning – polishing – or preconditioning...
Patent
1986-02-18
1988-11-08
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
With step of cleaning, polishing, or preconditioning...
264169, 264171, 264172, 26421111, 26421123, 425132, 4251331, 425225, 426503, 426513, 426516, B29C 4712
Patent
active
047832908
ABSTRACT:
In a method of operating a co-extruder, a co-extrusion die used during a co-extrusion mode of operation is replaced by a simple extrusion die which is used during a simple extrusion mode of operation. The co-extruder has a pair of juxtaposed outlets one of which is blocked by the simple extrusion die during utilization thereof.
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Kornutik Richard
Nabisco Brands Inc.
Thurlow Jeffery
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