C - Chemistry – Metallurgy – 21 – C
Patent
C - Chemistry, Metallurgy
21
C
39/106
C21C 7/072 (2006.01) B22D 1/00 (2006.01) C22B 9/05 (2006.01)
Patent
CA 1261620
Abstract: "APPARATUS FOR INTRODUCING TREATMENT SUBSTANCES INTO LIQUIDS" A cartridge-type injection device (20) is removably seated in a passage (18) through the wall of a ladle (10) and comprises a refractory nozzle tip (21) fitted to one end of a tubular body (30), and a delivery pipe (35) for gas or a mixture of gas and a particulate material, the pipe (35) entering an outer end of the body (30) and extending therethrough into the nozzle tip (21). An insulating packing is contained by the body around the pipe (35). The pipe is movable in the bore (22) of the tip (21) for dislodging a melt-obstructing plug in the bore (22) into the melt, whereupon the device is enabled to eject the gas or mixture from the pipe into the melt.
501864
Fetherstonhaugh & Co.
Injectall Limited
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