Method of making a wheel

Claim 1

THE METHOD OF FABRICATING AN INTEGRAL V-GROOVE WHEEL FROM A DISC-LIKE BLANK COMPRISING THE STEPS OF DRAWING SAID DISC-LIKE BLANK INTO A GENERALLY CUP-SHAPED BLANK HAVING A SUBSTANTIALLY FLAT BASE PORTION AND A RADIALLY EXTENDING FLANGE PORTION AXIALLY SPACED IN ONE DIRECTION THEREFROM BY A GENERALLY AXIALLY EXTENDING WALL PORTION, REVERSE DRAWING A PART OF SAID BASE PORTION IN AN AXIAL DIRECTION OPPOSITE TO THE SAID ONE DIRECTION TOWARD AND BEYOND A RADIAL PLANE COMMON TO THE SAID FLANGE PORTION TO FORM A HUB PORTION EXTENDING SUBSTANTIALLY EQUAL DISTANCES TO BOTH SIDES OF THE RADIAL PLANE OF SAID FLANGE PORTION WITH THE HUB PORTION BEING CONNECTED TO SAID WALL PORTION BY A GENERALLY U-SHAPED ANNULAR PORTION, PROGRESSIVELY REDRAWING THE HUB PORTION TO CONCURRENTLY FORM THE HUB PORTION INTO A GENERALLY AXIALLY EXTENDING SUBSTANTIALLY CYLINDRICAL SLEEVE PORTION HAVING A CLOSED END PORTION AND THE U-SHAPED PORTION INTO A SUBSTANTIALLY FLAT DISC PORTION, STRIKING SAID SLEEVE PORTION TO PROVIDE RELATIVELY SHARP CORNERS BETWEEN THE SLEEVE PORTION AND SAID DISC PORTION, PERFORATING THE CLOSED END PORTION AND SAID DISC PORTION TO PROVIDE A GENERALLY AXIALLY EXTENDING BORE THERETHROUGH, PARTING THE PERIPHERAL MARGIN OF SAID FLANGE PORTION ALONG THE SAID RADIAL PLANE TO PROVIDE A PAIR OF AXIALLY SPACED GENERALLY RADIALLY EXTENDING PORTIONS WHICH DEFINE A GENERALLY OUTWARDLY OPENING V-GROOVE, AND THEREAFTER FORMING THE PERIPHERAL EDGE PORTION OF EACH OF SAID GENERALLY RADIALLY EXTENDING PORTIONS INTO A GENERALLY AXIALLY EXTENDING PERIPHERAL FLANGE TO COMPLETE THE INTEGRAL V-GROOVE WHEEL.