Boron-containing aluminum wire and method of its production
First Claim
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1. AN ELECTRICAL CONDUCTOR WIRE OF CONDUCTOR GRADE ALUMINUM COLD DRAWN TO A DIAMETER OF 0.210 INCH OF LESS CONTAINING FROM 0.001 TO 0.5 PER CENT BORON, SAID WIRE BEING COLD DRAWN FROM HOT ROLLED ROD WITHOUT ANY ANNEAL OF SAID ROD OR WIRE, THE AMOUNT OF BORON BEING SUFFICIENT THAT THE WIRE WILL HAVE AN ELECTRICAL CONDUCTIVITY OF NOT LESS THAN 61 PER CENT OF THAT OF THE INTERNATIONAL ANNEALED COPPER STANDARD ON A VOLUME BASIS AND AN AVERAGE TENSILE STRENGTH OF AT LEAST 26,000 P.S.I. FOR WIRE DRAWN TO A DIAMETER OF 0.210 INCH AND AN INCREASINGLY HIGHER STRENGTH FOR WIRES DRAWN TO SMALLER DIAMETERS.
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1 Claim
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1. AN ELECTRICAL CONDUCTOR WIRE OF CONDUCTOR GRADE ALUMINUM COLD DRAWN TO A DIAMETER OF 0.210 INCH OF LESS CONTAINING FROM 0.001 TO 0.5 PER CENT BORON, SAID WIRE BEING COLD DRAWN FROM HOT ROLLED ROD WITHOUT ANY ANNEAL OF SAID ROD OR WIRE, THE AMOUNT OF BORON BEING SUFFICIENT THAT THE WIRE WILL HAVE AN ELECTRICAL CONDUCTIVITY OF NOT LESS THAN 61 PER CENT OF THAT OF THE INTERNATIONAL ANNEALED COPPER STANDARD ON A VOLUME BASIS AND AN AVERAGE TENSILE STRENGTH OF AT LEAST 26,000 P.S.I. FOR WIRE DRAWN TO A DIAMETER OF 0.210 INCH AND AN INCREASINGLY HIGHER STRENGTH FOR WIRES DRAWN TO SMALLER DIAMETERS.
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Current AssigneeRaymond T. Whitzel, William E King
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Original AssigneeRaymond T. Whitzel, William E King
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InventorsWhitzel, Raymond T., King, William E.
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Application NumberUS02/710,224Time in Patent Office1,586 DaysField of SearchUS Class Current428/544CPC Class CodesC22C 21/00 Alloys based on aluminiumY10S 428/923 Physical dimensionY10S 72/70 Deforming specified alloys ...Y10T 428/12 All metal or with adjacent ...
