Plastic and nonmetallic article shaping or treating: processes – Miscellaneous
Patent
1980-10-22
1982-03-23
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Miscellaneous
264176R, 366 79, 366 90, 425168, 425183, 425208, B29B 106
Patent
active
043212298
ABSTRACT:
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.
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Blakeslee, III Theodore R.
Engle James D.
Horner Jerome T.
Kurtz Stuart J.
Miller John C.
O'Brien, Jr. Gerald R.
Thurlow Jeffery R.
Union Carbide Corporation
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