F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
39/117, 53/367
F27B 14/16 (2006.01) F27D 3/00 (2006.01) F27D 3/08 (2006.01) F27D 19/00 (2006.01) F27D 21/00 (2006.01)
Patent
CA 1338005
Apparatus and method for charging metal chips into a molten bath of the metal from which the chips are formed, comprising a compacting extruder and a delivery conduit which is resistant to the mass of molten metal and which is pivotable to dip into the molten metal bath when chips are being charged thereinto and out of contact with the bath when charging is to be dis- continued, are disclosed. The chips are forced through the delivery conduit in the form of a compacted or densified mass preferably having a density between about 30 and 60 percent of the density of the solid metal and preferably between about 55 and 80 pounds per cubic foot. Feed is continued while the delivery conduit is in the molten metal bath and until it is removed therefrom to prevent entry of molten metal into the delivery conduit. The method is preferably con- ducted on a continuous basis and various sensors with appropriate wiring may be employed for safety and for making the method substantially automatic in operation.
604284
Perley-Robertson Hill & Mcdougall Llp
Pre-Melt Systems Inc.
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