Fabric with metal weft wire has weft wire with roughened surface structure., which can have a spiral surface structure and can have at least one spiral protrusion

摘要

The fabric (1) has a weft wire (4) with a roughened surface structure. The weft wire can have a spiral surface structure. It can have at least one spiral protrusion. The fabric has meshes between the weft wire and the warps (3a-3c) that are filled with a plastic material (8). Independent claims are also included for the following: (A) a machine, especially for producing a corrugated cardboard strip (B) and a method of manufacturing an inventive material.