Cutting edge

特許 係属中 PROBLEM TO BE SOLVED: To provide a cutting edge which enables an ultrafine edge with an acute angle to be formed, a thin edge for easily introducing whiskers and hair to be formed, can be formed into a three-dimensional optional shape in terms of macro/micro, can be given highly accurate shape and dimension, and has extremely prolonged life of the edge excellent in abrasion resistance and corrosion resistance.