PAPER MACHINE FABRIC

摘要

A paper machine fabric comprising at least two separate layers formed using at least two separate yarn systems: a yarn system forming the paper side and comprising machine direction and cross machine direction yarns and a yarn system forming the machine side and comprising machine direction and cross machine direction yarns, the yarn systems being arranged to form independent structures in the machine and cross machine directions of the fabric and the structures being bound together by means of binder yarns (5), a binder yarn (5) being arranged to form part of the weave of a layer on the paper side surface and arranged to be interwoven with a layer of the machine side by being interwoven under at least one yarn in the machine side layer. The yarn system forming the paper side further comprises a substitute yarn (6) provid ed with a binder yarn (5) woven on both sides thereof. On the paper side, the substitute yarn (6) is arranged to replenish the two yarn paths formed by th e above-mentioned two binder yarns (5) at points where the above-mentioned two binder yarns (5) are interwoven with the machine side.