Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1996-07-31
1997-12-02
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
65521, 425464, D01D 518
Patent
active
056932804
ABSTRACT:
A method for fiberizing organic material includes rotating a spinner having a bottom wall and a peripheral wall that extends upwardly from the bottom wall and terminates in an upper end, wherein the spinner has a cavity defined by the bottom wall, the peripheral wall and a plane extending through the upper end of the peripheral wall generally parallel to the bottom wall. The method further includes creating turbulence within the spinner cavity, supplying molten organic material to a delivery tube wherein the delivery tube terminates at a point located outside of the spinner cavity, discharging molten organic material from the delivery tube with enough momentum to overcome the turbulence and reach a predetermined location in the spinner cavity, and centrifuging fibers from the molten organic material.
REFERENCES:
patent: 5242633 (1993-09-01), Rook et al.
patent: 5326241 (1994-07-01), Rook et al.
patent: 5458822 (1995-10-01), Bakhski et al.
"New Economic Method To Produce Polyester Bicomponent Fibers" by W. Stibal, G. Schach Ems-Inventa AG, Domat/Ems, Switzerland, Journal Name: Chemical Fibers International, vol. 45(4) 1995, pp. 296-301.
Haines Randall M.
Loftus James E.
Morris Virgil G.
Pellegrin Michael T.
Brueske Curtis B.
Gegenheimer C. Michael
Owens--Corning Fiberglas Technology, Inc.
Tentoni Leo B.
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