Plastic article or earthenware shaping or treating: apparatus – Shaping orifice and downstream work contacting gaseous... – Orifice for filaments or fibers
Patent
1996-03-28
1997-02-11
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Shaping orifice and downstream work contacting gaseous...
Orifice for filaments or fibers
4251315, 4251331, 425192S, 425DIG217, B29C 4704, B29C 4730
Patent
active
056018517
ABSTRACT:
A combined filament type, melt-blow spinneret device can correspond to various kinds of microfine, combined filaments, and includes a spinning-resin-feeding plate 2 having respective resin-introducing grooves 7a, 7b for introducing two kinds of spinning resins A and B; a distributing plate 3 having distributing grooves 9a, 9b for respectively distributing the spinning resins A, B fed from the resin-introducing grooves of the resin-feeding plate 2; a nozzle plate 5 having a cavity 22 for receiving a separating plate 4 therein and a plurality of holes formed in a bottom interior surface of a downwardly-extending portion of the nozzle plate 5; a separating plate 4 received in the cavity 22 and attached to the second major surface of the distributing plate 3, the separating plate 4 including separation grooves 17a, 17b engraved from a side portion to a bottom portion thereof facing a plurality of holes 14 of the nozzle plate 5, for introducing the different spinning resins into the plurality of holes; and a clearance-defining plate 6 having a V-shaped groove arranged to provide a gas-introducing clearance 16 between the nozzle plate 5 and the clearance-defining plate 6 for stretching the combined resins.
REFERENCES:
patent: 3540077 (1970-11-01), Nakagawa et al.
patent: 3981650 (1976-09-01), Page
patent: 4547420 (1985-10-01), Krueger et al.
patent: 5225014 (1993-07-01), Ogata et al.
Chisso Corporation
Nguyen Khanh P.
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