Industrial fabric with means for monitoring wear

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 7/08 (2006.01) D03D 15/00 (2006.01) D21F 1/10 (2006.01)

Patent

CA 2487920

An industrial fabric of the variety used in the papermaking and similar industries has machine-direction (MD) yarns and cross-machine-direction (CD) yarns, which may be interwoven with one another to form a woven structure. The industrial fabric includes, as at least some of the MD and/or CD yarns, sheath/core yarns which have a core yarn surrounded by a sheath. The core yarn and the sheath are visually distinguishable by the naked eye from one another, such as by color, so that wear on a surface of the industrial fabric can be monitored visually during its operating life by the visual change that would become apparent when the sheath is worn away from the core yarn.

L'invention concerne un tissu industriel dont la variété est utilisée dans la fabrication de papier et dans des industries analogues. Ce tissu présente des fils en sens machine (MD) et des fils en sens travers (CD) pouvant être entretissés pour former une structure tissée. Ce tissu industriel comprend, en tant qu'au moins certains des fils MD et/ou CD, des fils noyau/écorce présentant un fil noyau entouré d'une écorce. Le fil noyau et l'écorce peuvent être distingués visuellement l'un de l'autre, à l'oeil nu, par exemple par la couleur, de sorte que l'usure de surface de ce tissu industriel peut être surveillée visuellement lors de l'utilisation de ce tissu, un changement visuel devenant apparent lorsque l'écorce s'use pour laisser apparaître le noyau.

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