Method for the transparent patterning of a material web and...

Details Method for the transparent patterning of a material web and... Method for the transparent patterning of a material web and...

D - Textiles, Paper

06

C

D06C 23/00 (2006.01) D04H 1/54 (2006.01)

Patent

CA 2453356

The invention relates to a method for generating three-dimensional transparent patterns on a non-woven fabric or similar, whereby, for example, hot air is sucked through openings which form the pattern in the circumferential surface of a drum. The openings are straight or curved gaps instead of conventional holes and together with other openings form the desired pattern. The air or similar, flowing through the gaps, presses the fibres into the gaps and the vacuum on the inner side of the drum sucks said fibres onto the patterning.

L'invention concerne un procédé pour créer des dessins tridimensionnels transparents sur un non-tissé ou un support analogue. Selon ce procédé, de l'air chaud, par exemple, traverse des orifices formant un dessin sur la surface circonférentielle d'un tambour. Ces orifices ne doivent pas être des trous classiques mais des fentes droites ou incurvées qui, associées à d'autres orifices, constituent le dessin souhaité. L'air ou l'agent qui traverse ces fentes presse les fibres dans celles-ci, la dépression à l'intérieur du tambour aspirant ces fibres pour réaliser le dessin voulu.

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