Patent ID: 11358075

Abstract:
The invention relates to a fabric layer, in particular a protective fabric and/or backing fabric, for a corrugated or pleated flat material of a filter element, wherein the flat material comprises a plurality of pleats or corrugations running parallel to one another, which form successive pleat or corrugation peaks and pleat or corrugation troughs, which are connected to one another by a pleat flank, wherein a fluid can flow through the flat material, wherein the fabric layer comprises a first fabric region, in particular a first fabric strip, and at least one second fabric region, in particular a second fabric strip, the threads whereof, in particular weft threads, merge into one another, wherein the first fabric region, in particular the first fabric strip, comprises a first type of weave and the second fabric region, in particular the second fabric strip, a second type of weave, which differs from the first type of weave.