Patent ID: 7279436

Claim:
A grid fabric, comprising: warp thread bundles composed of multiple warp threads and weft thread bundles composed of multiple weft threads that intersect and surround meshes or lattice openings, wherein individual threads of a thread bundle in a mesh are longer than other threads of the same thread bundle, the longer threads running in a wave pattern and forming at least one open loop per mesh, the loop being stiffened by at least one of: impregnation and coating using a synthetic polymer material and the loop protruding in at least one of a direction upward and a direction downward from a lattice plane of the grid fabric, wherein the threads of the weft thread bundles are interwoven with the threads of the warp thread bundles at points of intersection and wherein the warp thread bundles are divided into a first warp thread group and a second warp thread group, the first warp thread group intersecting the second warp thread group of the same warp thread bundle per mesh on top in a half-twist, and the warp threads of both warp thread groups are interwoven with the weft threads at the points of intersection.