Aluminum electrical wire and method for manufacturing aluminum electrical wire
First Claim
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1. An aluminum electrical wire, comprising:
- a conductor comprising a plurality of aluminum-based core wires; and
an insulating resin covering directly covering the conductor such that the insulating resin covering is in contact with the plurality of aluminum-based core wires,wherein the plurality of aluminum-based core wires includes one aluminum-based core wire containing not less than 99 mass % of aluminum in a center of the conductor and aluminum-based core wires positioned concentrically from the center of the conductor, and the conductor is constructed by concentrically twisting 19 or 37 of the aluminum-based core wires in a non-compressed state and at a same pitch such that a thickness deviation of the insulating resin covering is not less than 70%.
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Abstract
A conductor including multiple aluminum-based core wires, and an insulating resin covering directly covering the conductor such that the insulating resin covering is in contact with the aluminum-based core wires. The aluminum-based core wires includes one aluminum-based core wire containing not less than 99 mass % of aluminum in a center of the conductor and aluminum-based core wires positioned concentrically from the center of the conductor, and the conductor is constructed by concentrically twisting 19 or 37 of the aluminum-based core wires in a non-compressed state and at a same pitch such that a thickness deviation of the insulating resin covering is not less than 70%.
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Citations
20 Claims
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1. An aluminum electrical wire, comprising:
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a conductor comprising a plurality of aluminum-based core wires; and an insulating resin covering directly covering the conductor such that the insulating resin covering is in contact with the plurality of aluminum-based core wires, wherein the plurality of aluminum-based core wires includes one aluminum-based core wire containing not less than 99 mass % of aluminum in a center of the conductor and aluminum-based core wires positioned concentrically from the center of the conductor, and the conductor is constructed by concentrically twisting 19 or 37 of the aluminum-based core wires in a non-compressed state and at a same pitch such that a thickness deviation of the insulating resin covering is not less than 70%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13)
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11. The aluminum electrical wire according to claim wherein the conductor is constructed by concentrically twisting 19 of the aluminum-based core wires, and the twisting pitch is set not less than 6.4 times and not greater than 22.0 times an outer diameter of the conductor.
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14. A method for manufacturing an aluminum electrical wire, comprising:
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constructing a conductor by twisting a plurality of aluminum-based core wires; and directly covering the conductor with an insulating resin covering such that the insulating resin covering is in contact with the plurality of aluminum-based core wires and that a thickness deviation of the insulating resin covering is not less than 70%, wherein the constructing of the conductor comprises twisting 6, 12, and 18 of the aluminum-based core wires concentrically from one aluminum-based core wire containing not less than 99 mass % of aluminum in a center, while setting a twisting pitch to not less than 6.2 times and not greater than 15.7 times an outer diameter of the conductor, and applying to the aluminum-based core wires a tensile force such that a tensile force per unit cross-sectional area is not less than 12.5 N/mm2 and not greater than 56.3 N/mm2. - View Dependent Claims (15, 16)
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17. A method for manufacturing an aluminum electrical wire, comprising:
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constructing a conductor by twisting a plurality of aluminum-based core wires; and directly covering the conductor with an insulating resin covering such that the insulating resin covering is in contact with the plurality of aluminum-based core wires and that a thickness deviation of the insulating resin covering is not less than 70%, wherein the constructing of the conductor comprises twisting 6 or 12 of the aluminum-based core wires concentrically from one aluminum-based core wire containing not less than 99 mass % of aluminum in a center, setting a twisting pitch to not less than 6.4 times and not greater than 22.0 times an outer diameter of the conductor, and applying a tensile force to the aluminum-based core wires such that a tensile force per unit cross-sectional area is not less than 12.5 N/mm2 and not greater than 87.5 N/mm2. - View Dependent Claims (18, 19, 20)
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Specification