FORMAGGREGAT FOR OMFORMNING AV ETT FOREMAL MED OREGELBUNDEN FORM, SASOM ETT FLEKTBLAD

摘要

A die construction for forming or reforming a fan blade to press dies in which opposed dies have cooperating cavities to form a recess to receive the blade, at least a part of one of the cavities having a diaphragm welded thereto to form a chamber beneath the diaphragm so that by pressing the chamber the adjacent part of the blade will be shaped against the surface of the opposing recess.