Plastic and nonmetallic article shaping or treating: processes – Spheroidizing or rounding of solid particles
Patent
1992-01-13
1993-08-24
Schofer, Joseph L.
Plastic and nonmetallic article shaping or treating: processes
Spheroidizing or rounding of solid particles
264117, 264122, 428357, B22D 1101
Patent
active
052386120
ABSTRACT:
Fiberballs are prepared from mechanically-crimped fibers having both a primary crimp and a secondary crimp with specific configurations, especially amplitudes and frequencies. The fiberballs may contain a proportion of other fibers, particularly binder fibers.
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Halm Walter B.
Jones, Jr. William J.
Kirkbride James F.
Marcus Ilan
Snyder Adrian C.
E. I. Du Pont de Nemours and Company
Schofer Joseph L.
Smith Jeffrey T.
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