Stator configuration for welding purposes

Claim 1

IN THE METHOD OF PRODUCING A METAL UNIT HAVING A CENTRALLY DISPOSED CYLINDRICAL CORE AREA BY SUPERIMPOSING A PLURALITY OF SUBSTANTIALLY IDENTICAL LAMINATING PLATES AND ELECTRICALLY WELDING THEM BY MEANS OF PASSING A CURRENT THROUGH WELDING RODS HELD UNDER PRESSURE AGAINST THE PERIPHERIES OF THE ASSEMBLED LAMINATING PLATES, THE IMPROVEMENT WHICH COMPRISES PROVIDING THE PERIPHERAL EDGE OF THE ASSEMBLED LAMINATING PLATES WITH OPPOSITELY DISPOSED WELDING SHOULDERS EXTENDING ACROSS THE SAID PERIPHERAL EDGE, PLACING A FUSIBLE METAL WELDING ELEMENT ACROSS THE WELDING SHOULDERS AND THEN APPLYING THE WELDING PRESSURE OF THE ELECTRODES ON SAID SHOULDERS AND FUSIBLE METAL ELEMENT AND IN A DIRECTION SUBSTANTIALLY TANGENTIAL TO THE CYLINDRICAL CORE AREA AND TRANSVERSE THE LONGITUDINAL AXIS OF SAID CORE AREA, SAID CORE AREA REQUIRING NO SUPPORT AGAINST THE WELDING PRESSURE DURING THE WELDING OPERATION.