Heated spray spinning nozzle and attenuation system

Details Heated spray spinning nozzle and attenuation system Heated spray spinning nozzle and attenuation system

D - Textiles, Paper

01

D

18/565

D01D 5/096 (2006.01)

Patent

CA 1102063

ABSTRACT OF THE DISCLOSURE A spray spinning nozzle for producing a substantially continuous filament from a molten synthetic resinous material includes a nozzle with an orifice from which a filament of molten material is emitted and a gas attenuation assembly which slides axially over the nozzle. The attenuation assembly includes at least three gas jets spaced about and radially close to the nozzle axis for emitting high velocity jets which converge upon and contact the filament at a point along the nozzle axis in front of an orifice. Drag forces produced by the gas stream attenuate the filament to a thin diameter. The nozzle includes a plurality of circumferentially spaced recesses which cooperate with corresponding recesses and projections of the attenuation gas assembly to accommodate heater means and to provide mounting means. -1-

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