Rainbow and hologram images on fabrics

D - Textiles – Paper – 04 – H

Patent

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Details

D04H 3/00 (2006.01) B44F 1/10 (2006.01) B44F 1/14 (2006.01) D03D 1/00 (2006.01) D06C 23/04 (2006.01) D06Q 1/08 (2006.01)

Patent

CA 2276432

A fibrous sheet is provided with an outer surface having fibrous elements which are embossed with a pattern of fine grooves that are substantially aligned from fibrous element to fibrous element. The pattern of fine grooves is embossed directly on the surface of the fibrous sheet and produces rainbow and/or hologram images on exposure to light. In contrast, prior fabrics for producing rainbow or hologram images were laminated to plastic or metal foils having pre-embossed patterns of grooves. Sheets and fabrics of the present invention are free from such impermeable foils and retain desirable attributes of breathability and other aesthetic qualities.

L'invention concerne une feuille fibreuse comprenant une surface extérieure à éléments fibreux embossés avec un motif de sillons fins, disposés pratiquement en alignement d'un élément fibreux à un autre. Le motif de sillons fins est directement embossé à la surface de la feuille fibreuse et produit des images d'arc-en-ciel et/ou d'hologrammes lorsqu'on l'expose à la lumière. Par contre, dans l'état actuel de la technique, il faut, pour produire ce type d'images, stratifier le tissu avec des pellicules plastiques ou métalliques comprenant des motifs de sillons pré-embossés. Les feuilles et les tissus de la présente invention sont exempts de telles pellicules imperméables et gardent un pouvoir respirant souhaitable, ainsi que d'autres qualités esthétiques.

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