Spinning device

D - Textiles – Paper – 01 – D

Patent

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Details

D01D 5/06 (2006.01) D01F 2/00 (2006.01)

Patent

CA 2183627

The invention relates to a spinning device for operating the wet/dry amino- oxide process with: a spinning nozzle having spinning apertures for extruding filaments; a blower device by means of which the extruded filaments can be cooled immediately after leaving the spinning apertures; a container of spinning bath liquid; a bundling unit fitted in the spinning bath liquid to bundle the extruded filaments; and an air gap defined as the distance between the spinning nozzle from the surface of the spinning bath liquid; in which: the bundling unit is at such a distance from the spinning nozzle that the angle (.alpha.) between the filaments to the perpendicular to the spinning bath liquid is 45~ at the most and the relation 0.1 + .0051 <= 0.7.d0.(h-1)/h is satisfied, in which d0 is the distance (in mm) between a spinning aperture and its neighbouring aperture in the spinning nozzle, h is the distance (in mm) between the bundling component and the spinning nozzle and 1 is the air gap (mm), where 0.4 mm <= d0 <= 2 mm and 0 mm < 1 < 60 mm.

L'invention concerne un dispositif de filage permettant d'effectuer le processus par oxyde d'amine selon le procédé de filage au sec et/ou au mouillé, qui comprend: une filière pourvue d'orifices pour extruder les filaments, un dispositif de soufflage servant à refroidir les filaments extrudés immédiatement après leur sortie des filières, un réservoir contenant un liquide de bain de filage, un élément de liage prévu dans le liquide du bain de filage pour lier les filaments extrudés, et une fente d'aération définie comme représentant l'écart entre la filière et la surface du liquide du bain de filage. Ce dispositif de filage se caractérise en ce que l'élément de liage se trouve à une distance de la filière telle que l'angle (.alpha.) formé par les filaments par rapport à la perpendiculaire sur la surface du liquide du bain de filage mesure au plus 45~, et que la relation 0,1 + 0,005l <= 0,7.d¿0?.(h-l)/h soit satisfaite, relation dans laquelle d¿0? désigne l'écart (mm) entre un orifice d'extrusion et l'orifice d'extrusion qui lui est adjacent, h désigne l'écart (mm) entre l'élément de liage et la filière, et l désigne la fente d'aération (mm), 0,4 mm étant <= d¿0? <= 2 mm, et 0 mm étant < 1 < 60 mm.

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