SPANNKOPF FUER WICKELHUELSEN, AUF DIE BAHNFOERMIGES GUT, WIE PAPIERBAHNEN OD. DGL., AUFGEWICKELT WIRD

摘要

The clamping head features a cylindrical section engaging the winding core with a threading which digs in inside the core and a subsequent collar forming a stop for the end face of the core. To obtain a form fit which spares the core, the threading is fashioned as a round threading.