Steam permissive and water non permissive screen, and method...

Details Steam permissive and water non permissive screen, and method... Steam permissive and water non permissive screen, and method...

D - Textiles, Paper

04

H

D04H 13/00 (2006.01) D06N 3/00 (2006.01) E04D 12/00 (2006.01)

Patent

CA 2678209

The invention relates to a steam permissive and water non-permissive screen, particularly a sub-roof screen, a rain-proof screen, an air-proof screen or the like. The screen (1) is characterised in that it mainly comprises a non-woven fabric made of a mat or a web of a majority of natural fibres (2), preferably vegetable fibres, that has been submitted to a binding operation by pressurised liquid jets, or hydrobinding, and to a hydrophobation process.

Ecran perméable à la vapeur d'eau et imperméable à l'eau et son procédé de fabrication La présente invention a pour objet un écran perméable à la vapeur d'eau et imperméable à l'eau, notamment écran de sous-toiture, écran pare-pluie, écran pare-air ou analogue. Ecran (1)caractérisé en ce qu'il est principalement constitué par un non tissé formé d'une nappe ou d'un voile majoritairemen tde fibres 5 naturelles (2), préférentiellement d'origine végétale, ayant au moins subi une opération de liage par jets liquides sous pression, ou hydroliage, et un traitement d'hydrophobation.

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