Process for the production of metal powder
First Claim
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1. A METHOD FOR MAKING METAL POWDER CHARACTERIZED BY THE SUBSTANTIAL ABSENCE OF OXIDATION PRODUCTS, WHICH COMPRISES MELTING METAL, FLOWING THE MOLTEN METAL IN A STREAM HAVING A DIAMETER ON THE ORDER OF 15 MM, AND IMPINGING UPON SAID METAL STREAM A STREAM OF WATER UNDER PRESSURE, THE VOLUME OF WATER IN SAID STREAM BEING SUFFICIENT TO CAUSE SUBSTANTIALLY COMPLETE ATOMIZATION OF SAID METAL STREAM, SAID STREAM OF WATER BEING IN THE FORM OF A CONICAL ENVELOPE CONCENTRICALLY SURROUNDING SAID MOLTEN METAL STREAM, THE ANGLE OF IMPINGEMENT BEING LESS THAN ABOUT 15* AND THE PRESSURE OF SAID STREAM OF WATER BEING FROM ABOUT 3 TO ABOUT 30 ATMOSPHERES, GUGE.
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1 Claim
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1. A METHOD FOR MAKING METAL POWDER CHARACTERIZED BY THE SUBSTANTIAL ABSENCE OF OXIDATION PRODUCTS, WHICH COMPRISES MELTING METAL, FLOWING THE MOLTEN METAL IN A STREAM HAVING A DIAMETER ON THE ORDER OF 15 MM, AND IMPINGING UPON SAID METAL STREAM A STREAM OF WATER UNDER PRESSURE, THE VOLUME OF WATER IN SAID STREAM BEING SUFFICIENT TO CAUSE SUBSTANTIALLY COMPLETE ATOMIZATION OF SAID METAL STREAM, SAID STREAM OF WATER BEING IN THE FORM OF A CONICAL ENVELOPE CONCENTRICALLY SURROUNDING SAID MOLTEN METAL STREAM, THE ANGLE OF IMPINGEMENT BEING LESS THAN ABOUT 15* AND THE PRESSURE OF SAID STREAM OF WATER BEING FROM ABOUT 3 TO ABOUT 30 ATMOSPHERES, GUGE.
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Current AssigneeGerhard Naeser, Peter Goden
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Original AssigneeGerhard Naeser, Peter Goden
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InventorsGERHARD NAESER, PETER GODEN
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Application NumberUS03/493,602Time in Patent Office1,572 DaysField of SearchUS Class Current264/9CPC Class CodesB22F 9/082 atomising using a fluid usi...
