2006: Patent Publication „Device and Method for cleaning a wire or the outer surface of a tube“ (HELICORD®)

Main claim:
“The invention relates to a device for cleaning a wire or the outer surface of a tube, both preferably with a rounded cross section, using textile or textile-like material strands which move substantially parallel to and against the direction of travel of the wire or tube, the textile or textile-like material strands, surrounding the wire or tube in the form of at least one loop lying close thereto in a looping zone and optionally containing cleaning material, wherein the approach and exit angles of said material strands are flat with respect to the wire or the outer surface of the tube. When a plurality of loops is present, it can be said to lie in a spiral manner….”