METHOD AND APPARATUS FOR EXTRUSION-FORMING METALLIC LONG SIZE MATERIAL
PURPOSE:To continuously form a wire rod having the necessary length from molten metal without forming a billet, etc., by continuously extrusion-forming a metallic long size material from a metallic base material in the molten state. CONSTITUTION:The molten metal 2 is spouted to a tapered tube 6 from...
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| creator | TADOKORO TOSHIHIKO ASAHA MAKOTO MIURA KUNIAKI KOIZUMI MASATAKA |
| description | PURPOSE:To continuously form a wire rod having the necessary length from molten metal without forming a billet, etc., by continuously extrusion-forming a metallic long size material from a metallic base material in the molten state. CONSTITUTION:The molten metal 2 is spouted to a tapered tube 6 from a spouting tube 5 by an electromagnetic pump 3. The tapered tube 6 is kept at the temp. slightly lower than the m.p. of the molten metal 2 and the heat of the molten metal 2 is slowly radiated in the inner part of the tapered tube 6, and while becoming half-solidified state gradually from the outer side, the metallic base material is extruded and drawn to and in the tip end side of the tapered tube 6 having more slender inner diameter by pressurizing force applied by the electromagnetic pump and gradually made slender. Further, the molten metal 2 in the half-solidified state is further cooled, solidified and extruded in a nozzle tube 7 kept at the temp. lower than that of the tapered tube 6. |
| format | Patent |
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CONSTITUTION:The molten metal 2 is spouted to a tapered tube 6 from a spouting tube 5 by an electromagnetic pump 3. The tapered tube 6 is kept at the temp. slightly lower than the m.p. of the molten metal 2 and the heat of the molten metal 2 is slowly radiated in the inner part of the tapered tube 6, and while becoming half-solidified state gradually from the outer side, the metallic base material is extruded and drawn to and in the tip end side of the tapered tube 6 having more slender inner diameter by pressurizing force applied by the electromagnetic pump and gradually made slender. 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CONSTITUTION:The molten metal 2 is spouted to a tapered tube 6 from a spouting tube 5 by an electromagnetic pump 3. The tapered tube 6 is kept at the temp. slightly lower than the m.p. of the molten metal 2 and the heat of the molten metal 2 is slowly radiated in the inner part of the tapered tube 6, and while becoming half-solidified state gradually from the outer side, the metallic base material is extruded and drawn to and in the tip end side of the tapered tube 6 having more slender inner diameter by pressurizing force applied by the electromagnetic pump and gradually made slender. Further, the molten metal 2 in the half-solidified state is further cooled, solidified and extruded in a nozzle tube 7 kept at the temp. lower than that of the tapered tube 6.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS POWDER METALLURGY PUNCHING METAL TRANSPORTING |
| title | METHOD AND APPARATUS FOR EXTRUSION-FORMING METALLIC LONG SIZE MATERIAL |
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