Plastic article or earthenware shaping or treating: apparatus – Shaping orifice and downstream work contacting gaseous... – Orifice for filaments or fibers
Patent
1995-11-21
1997-09-16
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Shaping orifice and downstream work contacting gaseous...
Orifice for filaments or fibers
264 407, 264 86, 264205, 2642108, 26421114, 264280, 425 831, 425 84, 425327, D01D 511, D01D 700
Patent
active
056678142
ABSTRACT:
This invention relates to making backwindable rod shaped batts or logs from highly oriented flash-spun continuous fibers. The fibers are conducted from the exit of a spinneret through a tunnel and into a two stage diverging nozzle to slow down the fibers for an organized collection in the collection section. The invention further includes an inflatable bladder in a discharge section for initiating the formation of the log and a mesh screen in the collection section for reducing the occurrence of fiber blow out through the gas discharge ports.
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E. I. Du Pont de Nemours and Company
Leyson Joseph
Woo Jay H.
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