Antislip sheet material with twisted tapes

D - Textiles – Paper – 03 – D

Patent

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Details

D03D 3/08 (2006.01) D03D 13/00 (2006.01) D03D 15/00 (2006.01) D03D 15/10 (2006.01) E04D 12/00 (2006.01)

Patent

CA 2702176

A sheet of material suitable for roofing or industrial wrapping applications has an anti-skid surface formed by ridges of twisted tapes. The sheet (10) comprises a woven scrim (12) of warp tapes 16 and weft tapes (18). Some of the tapes (16) are twisted about their longitudinal axis, for example about (25) to (400) revolutions per meter, to form ridges having a height substantially greater than the thickness of the tapes. The ridges impart an anti-skid surface to the sheet. The scrim is bonded to a coating or film (14) to make the sheet waterproof.

L'invention concerne une feuille de matériau convenant pour des applications de toiture ou d'emballage industriel et présentant une surface antidérapante formée par des saillies de bandes torsadées. La feuille (10) comprend un canevas tissé (12) constitué de bandes de chaîne (16) et de bandes de trame (18). Certaines bandes (16) sont torsadées autour de leur axe longitudinal, par exemple à raison d'environ 25 à 400 tours par mètre, pour former des saillies présentant une hauteur sensiblement supérieure à l'épaisseur des bandes. Les saillies confèrent une surface antidérapante à la feuille. Le canevas est collé à un revêtement ou à un film (14) pour rendre la feuille étanche à l'eau.

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