Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1992-07-31
1993-11-16
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
26421114, 26421115, 425 722, 4253782, 4253822, 425464, D01D 504, D01F 230
Patent
active
052621103
ABSTRACT:
Apparatus and method are disclosed for spinning filaments from a material such as cellulose acetate dope. The filaments are spun from a spinnerette at the top of a vertically elongated spinning cabinet. Gas is first directed parallel to the filaments as they are spun. A short distance down the cabinet, gas is directed radially inwardly toward the filaments. The two flows of gas merge and flow parallel to the filaments to the bottom of the cabinet, where the gas is withdrawn radially outwardly from the filaments.
REFERENCES:
patent: 3080611 (1963-03-01), Jarrett et al.
patent: 3111368 (1963-11-01), Romano
Begley C. Kit
Casper Robert G.
Chen Shen S.
Duncan Bobby D.
Keith Glen R.
Eastman Kodak Company
Heath, Jr. William P.
Stevens John F.
Tentoni Leo B.
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