Today in 1934, US Patent 1956218 A was issued, an invention of George J Huntley and Harry A Rau, assigned to the Crown Cork & Seal Co., for their “Capping Head.” There’s no Abstract, but the description summarizes it. “The present invention relates to an improvement in capping heads and, more particularly, comprises a means for feeding closure or cap blanks to the capping mechanism of the capping head.”