Spinneret orifices and filament cross-sections with...

Details Spinneret orifices and filament cross-sections with... Spinneret orifices and filament cross-sections with...

D - Textiles, Paper

01

D

D01D 5/253 (2006.01) A61F 13/15 (2006.01) A61L 15/16 (2006.01) A61L 15/42 (2006.01) D01D 5/23 (2006.01) D06M 15/507 (2006.01) D06M 15/53 (2006.01)

Patent

CA 2140131

This invention relates to spinnerets having orifices of unique cross-sections, the spinnerets being useful for extruding therethrough filaments having "U" and "E" shaped cross-sections with stabilizing legs. The use of strategically placed stabilizing legs allow the filaments to maintain the desired shape. The "U" shaped filament cross-section provides improved drainage over previous filament cross-sections.

L'invention concerne des filières dont l'orifice est caractérisé par une section spécifique et qui sont utilisées pour l'extrusion de filaments possédant une coupe transversale en U ou en E et des nervures de stabilisation. L'emploi de nervures de stabilisation positionnnées de façon stratégique permet de conserver la forme voulue des filaments. La section transversale en U du filament assure une élimination améliorée du liquide par rapport aux sections transversales de l'état de la technique.

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