US Patent 9127890 Anchoring means

The invention relates to an anchoring means for providing a fireproof and/or wear resistant lining on an object made of metal, wherein the build-up of a polygonal folded base portion is intended to be fixed to the object by means of a to the object welded pin, which is provided with an anchoring thread for receiving a part attached to a polygonal mid section of the anchoring means, comprising an internal thread, wherein lips which extend transversely to said polygonal base portion, join the edges of said base portion, which lips are bended over an angle with respect to said mid section and having mutually enclosing bending lines.