Apparatus for quenching melt-spun filaments

Details Apparatus for quenching melt-spun filaments Apparatus for quenching melt-spun filaments

1983-12-27

1985-07-16

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

264176F, 264237, B29C 2500

Patent

active

045293686

ABSTRACT:
An apparatus for melt-spinning and cross-flow quenching of synthetic organic polymer filaments is improved by incorporation of a tubular delayed quench assembly extending from the spinneret and projecting into the cross-flow quench chimney. The projecting portion of the assembly is foraminous. An improvement in filament decitex uniformity is achieved especially with fine filaments.

REFERENCES:
patent: 2273105 (1942-02-01), Heckert
patent: 3067458 (1962-12-01), Dauchert
patent: 3280424 (1966-10-01), Heijnis
patent: 3320343 (1967-05-01), Buschmann et al.
patent: 3487144 (1969-12-01), Sarian
patent: 3834847 (1974-09-01), Fletcher
patent: 4225299 (1980-09-01), Roberts

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