Plastic article or earthenware shaping or treating: apparatus – Shaping orifice and downstream work contacting gaseous... – Orifice for filaments or fibers
Patent
1992-03-02
1993-06-15
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Shaping orifice and downstream work contacting gaseous...
Orifice for filaments or fibers
264237, 4253782, 425464, B29C 4788
Patent
active
052195821
ABSTRACT:
An apparatus for radially quenching melt spun filaments features a quenching chamber having a foraminous distribution cylinder between the filaments and the gas supply chamber with areas of porosity that increases, from a first low value at a location immediately below the spinneret, through a larger value at lower location, and then decreases toward the exit of the quench chamber.
REFERENCES:
patent: 3067458 (1962-12-01), Dauchert
patent: 3447202 (1969-06-01), Kato
patent: 3619452 (1971-11-01), Harrison
patent: 3834847 (1974-09-01), Fletcher
patent: 4529368 (1985-07-01), Makansi
patent: 4641018 (1986-12-01), Valteris et al.
patent: 4712988 (1987-12-01), Broaddus
Anderson Harvey G.
Hartzog James V.
Manning, Jr. Harold L.
Tolliver James W.
E. I. Du Pont de Nemours and Company
Nguyen Khanh P.
Woo Jay H.
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