Samuel Blatchford, Chicago Tire Spring Works Company v…
“ A hole is swedged through its center; and it is then hammered on the horn or beak of an anvil, thereby expanding its circumference, and forming a grain or fiber in its circumferential direction, and, when intended for tires of driving-wheels, the rudiments of a flange are formed or swedged also upon the outer periphery of the circle. In this form, these blooms are ready for rolling, and are imported at this stage of development. ”
