Multilayer forming fabric

D - Textiles – Paper – 21 – F

Patent

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Details

D21F 7/08 (2006.01) D21F 1/00 (2006.01)

Patent

CA 2072276

ABSTRACT A triple layer papermaking fabric having top and bottom fabric layers joined by a binder yarn, the top fabric layer including machine direction and cross machine direction yarns interwoven in a plain weave having an open area determined by the formula: (1 - Nc x Dc) x (1 - Nm x Dm) x 100 where Nc = number of Cross Machine Direction yarns per inch Nm = number of Machine Direction yarns per inch Dc = diameter of Cross Machine Direction yarns Dm = diameter of Machine Direction yarns The configuration of the papermaking fabric reduces or eliminates density differences in the finished paper sheet produced on it.

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