Melt spinning apparatus and method

Details Melt spinning apparatus and method Melt spinning apparatus and method

1990-11-23

1994-10-11

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

425192S, 4253782, 4253822, 425461, D01D 5092

Patent

active

053545290

ABSTRACT:
A melt spinning apparatus adapted for spinning a plurality of preferably monofilaments each having a denier which is maintained within close tolerances. The apparatus comprises a nozzle head having a plurality of vertical bores which are annularly arranged about a central axis and a nozzle assembly in each of the bores. A separate melt delivery system delivers pressurized melt to each nozzle assembly, and in a preferred embodiment, each separate melt delivery system comprises one of the discharge outlets of a planetary gear pump.

REFERENCES:
patent: 2841821 (1958-07-01), Phipps
patent: 3498230 (1970-03-01), Schippers
patent: 3724492 (1973-04-01), Itter
patent: 3824050 (1974-07-01), Balk
patent: 3881850 (1975-05-01), Stockbridge
patent: 3938925 (1976-02-01), Lees
patent: 4645444 (1987-02-01), Lenk et al.
patent: 4648826 (1987-03-01), Ogasawara et al.
patent: 4698008 (1987-10-01), Lenk et al.
patent: 4801257 (1989-01-01), Lenk
patent: 5059104 (1991-10-01), Alberto

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