Method of producing metal structures by welding

Claim 1

THE METHOD OF PRODUCING METAL RINGS OF NONUNIFORM CROSS SECTION, WHICH COMPRISES FORGING A STRAIGHT METAL BAR OF UNIFORM CROSS SECTION TO THE DESIRED FINAL NON-UNIFORM CROSS SECTION OF THE RING BETWEEN POINTS ADJACENT THE ENDS OF THE BAR, THEREBY LEAVING TERMINAL ELEMENTS OF THE BAR OF THE SAME UNIFORM CROSS SECTION AS THE ORIGINAL BAR AND OF SLIGHT LENGTH RELATIVE TO THAT OF THE BAR, THE BAR THROUGHOUT ITS EXTENT BETWEEN SAID TERMINAL ELEMENTS BEING OF THE DESIRED FINAL NON-UNIFORM CROSS SECTION OF THE RING, BENDING THE FORGED BAR INTO RING FORM WITH THE OUTER ENDS OF SAID TERMINAL ELEMENTS SEATING FLATWISE ONE AGAINST THE OTHER FLASH WELDING SAID TERMINAL ELEMENTS TOGETHER AND REMOVING FROM SAID JOINED TERMINAL ELEMENTS METAL IN EXCESS OF THE CROSS SECTION OF THE REMAINDER OF THE RING AND THEREBY SHAPING SAID TERMINAL ELEMENTS TO THE SAME NON-UNIFORM CROSS SECTION AS THE FORGED PORTION OF THE RING.

Claim 2

THE METHOD OF PRODUCING METAL RINGS OF NONUNIFORM CROSS SECTION, WHICH COMPRISES FORGING A STRAIGHT METAL BAR OF UNIFORM CROSS SECTION TO THE DESIRED FINAL NON-UNIFORM CROSS SECTION OF THE RING BETWEEN POINTS ADJACENT THE ENDS OF THE BAR, THEREBY LEAVING TERMINAL ELEMENTS OF THE BAR OF THE SAME UNIFORM CROSS SECTION AS THE ORIGINAL BAR AND OF SLIGHT LENGTH RELATIVE TO THAT OF THE BAR, THE BAR THROUGHOUT ITS EXTENT BETWEEN SAID TERMINAL ELEMENTS BEING OF THE DESIRED FINAL NON-UNIFORM CROSS SECTION OF THE RING, BENDING THE FORGED BAR INTO RING FORM WITH THE OUTER ENDS OF SAID TERMINAL ELEMENTS SEATING FLATWISE ONE AGAINST THE OTHER FLASH WELDING SAID TERMINAL ELEMENTS TOGETHER AND REMOVING FROM SAID JOINED TERMINAL ELEMENTS METAL IN EXCESS OF THE CROSS SECTION OF THE REMAINDER OF THE RING AND THEREBY SHAPING SAID TERMINAL ELEMENTS TO THE SAME NON-UNIFORM CROSS SECTION AS THE FORGED PORTION OF THE RING.