Filament quenching apparatus

Details Filament quenching apparatus Filament quenching apparatus

1983-07-19

1985-01-08

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

264176F, 264237, B29C 2500

Patent

active

044925573

ABSTRACT:
Apparatus for quenching a melt extruded filament is provided. The apparatus features a quenching chamber and plenum chamber separated from one another by a diffuser which comprises a layer of foam with at least two areas of differing porosity. A varied gas distribution pattern into the quenching chamber can be achieved through use of the apparatus.

REFERENCES:
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patent: 3070839 (1963-01-01), Thompson
patent: 3274644 (1966-09-01), Massey et al.
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patent: 3619452 (1971-11-01), Harrison et al.
patent: 3834847 (1974-09-01), Fletcher
patent: 3999910 (1976-12-01), Pendlebury et al.
patent: 4285646 (1981-08-01), Waite
patent: 4332764 (1982-06-01), Brayford et al.

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