STANZSTEMPEL ZUM AUSKERBEN VON HOHLROHREN

摘要

A die for making an incision in a workpiece by forcibly advancing the die in a linear path against a workpiece. The die consists of a body with leading and trailing ends and a cutting blade on the leading end of the body, which cutting blade has first and second spaced, wedge-shaped projections, each having an apex at its leading end, and a cutting edge between the projections and spaced in a trailing direction from the apexes of the projections.