Abstract: A charging device suitable for use in processing scrap comprising a charge box open at the top, a pusher, and a moveable plate supported for sliding movement from a position with the charge box open to a position to close the charge box; the charge box having a top, bottom, front and rear, the charge box for receiving scrap through the top thereof and being in communication at the front thereof with an apparatus for handling scrap; the scrap being pushed by the pusher for pushing the contents of the charge box into the apparatus for handling scrap, the pusher being moveable from a position at the rear of the charge box remote the apparatus for handling scrap to a position at the front of the charge box proximate the apparatus for handling scrap; the pusher being supported by a support frame fully enclosing the pusher, when the pusher is remote the scrap receiving process; the moveable plate having a shearing edge at its leading edge and for co-operative movement with the pusher, the moveable plate being movea

Abstract: An improved preheater is provided suitable for use with gas or oil fired reverberatory melting furnaces for recycling aluminum scrap and other scrap metals. The improved preheater comprises a charge box having a bottom, and a chamber having a bed. The chamber is in communication with the charge box at one end, and, an exit at the other. A pusher is provided for pushing the contents of the charge box into the chamber and thus pushing the contents of the chamber towards the exit. The chamber is of uniform expanding dimensions from its one end in communication with the charge box towards the exit. The bed of the chamber carries openings therethrough from a gas chamber therebelow into which heated waste gas is passed for circulation through the openings in the bed through the contents of the chamber.