Spinneret orifices and four-wing filament cross-sections...

Details Spinneret orifices and four-wing filament cross-sections... Spinneret orifices and four-wing filament cross-sections...

D - Textiles, Paper

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D01D 4/00 (2006.01) D02G 3/00 (2006.01)

Patent

CA 1288567

Spinneret Orifices and Four-Wing Filament Cross-Sections Therefrom Abstract Spinneret having an orifice defined by two intersecting slots and each intersecting slot in turn defined by three quadrilateral sections connected in series: the middle quadrilateral section of each intersecting slot having a greater width than the other two quadrilateral sections of the same intersecting slot and intersecting the other intersecting slot at its middle quadrilateral section to form therewith a generally X-shaped opening, with each of the other two quadrilateral sections of each intersecting slot being longer than the middle quadrilateral section of each intersecting slot: and a four-winged filament cross-section extruded through the aforedescribed spinneret orifice.

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