Melt spinning apparatus

Details Melt spinning apparatus Melt spinning apparatus

1986-08-29

1988-05-10

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

Orifice for filaments or fibers

264237, 264174, B29D 3100

Patent

active

047431865

ABSTRACT:
A melt spinning apparatus is disclosed which includes a spinning nozzle for extruding a plurality of filaments from a polymeric melt, and which includes a spinning tube positioned below the nozzle for receiving the filaments. The upper end portion of the spinning tube is perforated, and an air blowing chamber surrounds the perforated upper end portion of the tube for supplying cooling air, and so that the air passes through the perforations to cool the filaments. The interior of the perforated end portion of the spinning tube also mounts a plurality of annular rings which are disposed in an axially spaced apart relation along the length of the end portion, for guiding the cooling air so as to flow in a generally radial direction into contact with the extruded filaments.

REFERENCES:
patent: 4631018 (1986-12-01), Valteris

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