Method for grinding white sidewall tires

Claim 1

THE METHOD OF FINISHING THE EDGES OF A CONTRASTING, NARROW STRIPE RECESSED IN THE SIDEWALL OF A PNEUMATIC TIRE, SAID METHOD COMPRISING SUPPORTING THE TIRE FOR ROTATION IN ITS NORMAL AXIS, INFLATING THE TIRE, ROTATING THE TIRE ON ITS NORMAL AXIS, ROTATING A GRINDING WHEEL ON AN AXIS LYING SUBSTANTIALLY IN A SAME PLANE AS AND IN ANGULAR RELATIONSHIP TO THE AXIS OF ROTATION OF THE TIRE, MOVING THE ROTATING GRINDING WHEEL GENERALLY PARALLEL TO THE AXIS OF THE TIRE AND INTO ENGAGEMENT WITH THE TIRE TO DEFLECT A PORTION OF THE TIRE UNDER THE THE GRINDING WHEEL AND TO REMOVE SOME OF THE DEFLECTED PORTION OF THE TIRE UNDER THE GRINDING WHEEL DURING EACH OF AT LEAST SEVERAL ROTATIONS OF THE TIRE WHILE MAINTAINING THE GRINDING WHEEL AT A CONSTANT DISTANCE FROM THE AXIS OF ROTATION OF THE TIRE; AND MOVING THE GRINDING WHEEL AWAY FROM THE TIRE AND STOPPING ROTATION OF THE TIRE AFTER THAT PORTION OF THE TIRE UNDER THE GRINDING WHEEL IS NO LONGER DEFLECTED APPRECIABLY AND THE AMOUNT OF THE TIRE REMOVED BY THE GRINDING WHEEL IS INSIGNIFICANT.