Shuttering plate of wooden material is coated with plastics and has metal U rail fitting over corner edges as protection

摘要

The plate surface is coated with plastics (K) and the outer edges are covered with a metal layer (U) which can be a U-rail to fit over the longitudinal and cross sides of the plate. Part of the plastics layer can be milled away corresponding to the thickness and width of the U rail. Independent claim describes its use as ceiling panel