CIRCULAR ELECTRIC SERVICE CABLE

• US 3,586,751 A
• Filed: 04/28/1969
• Issued: 06/22/1971
• Est. Priority Date: 04/07/1969
• Status: Expired due to Term

• Current Assignee: Roger J. Schoerner
• Original Assignee: Roger J. Schoerner
• Inventors: Schoerner, Roger J.
• Application Number:
  US04/819,559
• Time in Patent Office: 785 Days
• US Class Current: 174/115
• CPC Class Codes: B22D 11/0602 formed by a casting wheel and belt, e.g. Properzi-process
• CPC Class Codes: C22C 21/00 Alloys based on aluminium
• CPC Class Codes: C22F 1/04 of aluminium or alloys based thereon
• CPC Class Codes: H01B 1/023 Alloys based on aluminium
• CPC Class Codes: H01B 7/226 Helicoidally wound metal wires or tapes
• CPC Class Codes: H01B 9/00 Power cables

Abstract

An electric service cable of substantially circular crosssectional configuration and including a pair of conductors extending in side-by-side relationship and defining flat juxtaposed surfaces and rounded remote surfaces. Insulation material surrounds the pair of conductors, a stranded tubular sheath surrounds the conductors and their insulating materials, and outside insulation materials surround the tubular conductor. In order to enable the cable to be bent during installation, its conductors are fabricated of aluminum or copper having good elongation properties.

Claims

1. Electric Service Cable of substantially circular outside cross-sectional configuration including a pair of aluminum alloy conductors extending side-by-side and defining in cross section flat juxtaposed surfaces and arcuate remote surfaces substantially defining a circular surface with each other, said conductors having a minimum conductivity of 61 percent IACS and consisting essentially of from about 0.55 to about 0.95 weight percent iron, from about 0.01 to about 0.15 weight percent silicon, from about 0.0001 to less than 0.05 weight percent each of trace elements selected from the group consisting of vanadium, copper, manganese, magnesium, zinc, boron, and titanium, and from about 98.95 to about 99.4399 weight percent aluminum, said alloy containing from about 0.004 to about 0.15 total weight percent trace elements and having an iron to silicon ratio of 8:

1 or greater.

2. Electric Service Cable of claim 1 wherein the silicon content is from 0.01 to 0.15 weight percent, the individual trace element content is from 0.0001 to 0.05 weight percent, and the total trace element content is from 0.004 to 0.15 weight percent.

3. Electric Service Cable of claim 1 wherein the conductors are covered with an insulating material selected from the group consisting of poly(vinyl chloride), neoprene, polypropylene, and polyethylene.

4. Electric Service Cable of substantially circular outside cross-sectional configuration including a pair of aluminum alloy conductors extending side-by-side and defining in cross section flat juxtaposed surfaces and arcuate remote surfaces substantially defining a circular surface with each other, said conductors having a minimum conductivity of 61 percent IACS and containing substantially evenly distributed iron aluminate inclusions in a concentration produced bY the presence of about 0.45 to about 0.95 weight percent iron in an alloy mass consisting essentially of about 98.95 to about 99.4399 weight percent aluminum, from about 0.01 to about 0.15 weight percent silicon and from about 0.0001 to less than 0.05 weight percent each of trace elements selected from the group consisting of vanadium, copper, manganese, magnesium, zinc, boron, and titanium, the total trace element content being from about 0.004 to about 0.15 weight percent, the iron aluminate inclusions having a particle size of less than 2,000 angstrom units, and the iron to silicon ratio being at least 8:

1.

5. Electric Service Cable of claim 4 wherein the silicon content is from 0,01 to 0.15 weight percent, the individual trace element content is from 0.0001 to 0.05, and the total trace element content is from 0.004 to 0.15 weight percent.

6. Electric Service Cable of claim 4 wherein the conductors are covered with an insulating material selected from the group consisting of poly(vinyl chloride), neoprene, polypropylene, and polyethylene.

7. Electric Service Cable of substantially circular outside cross-sectional configuration including a pair of conductors extending side-by-side and defining in cross section flat juxtaposed surfaces and arcuate remote surfaces substantially defining a circular surface with each other, insulation material extending about and between each of said conductors and a tubular conductor surrounding said pair of conductors their insulation material, said the tubular conductor being formed from an aluminum alloy which has a minimum electrical conductivity of 61 percent IACS and consists essentially of about 0.55 to about 0.95 weight percent iron, from about 0.01 to about 0.15 weight percent silicon, from about 0.0001 to less than 0.05 weight percent each of trace elements selected from the group consisting of vanadium, copper, manganese, magnesium, zinc, boron, and titanium, and from about 98.95 to about 99.4399 weight percent aluminum, said alloy containing from about 0.004 to about 0.15 total weight percent trace elements and having an iron to silicon ratio of 8:

1 or greater.

8. Electric Service Cable of claim 7 wherein the silicon content is from 0.01 to 0.15 weight percent, the individual trace element content is from 0.0001 to 0.05 weight percent, and the total trace element content is from 0.004 to 0.15 weight percent.

9. Electric Service Cable of claim 7 wherein the insulation material is selected from the group consisting of poly(vinyl chloride), neoprene, polypropylene, and polyethylene.

10. Electric Service Cable of substantially circular outside cross-sectional configuration including a pair of conductors extending side-by-side and defining in cross section flat juxtaposed surfaces and arcuate remote surfaces substantially defining a circular surface with each other, insulation material extending about and between each of said conductors and a tubular conductor surrounding said pair of conductors and their insulation material said tubular conductor being formed from an aluminum alloy which has a minimum electrical conductivity of 61 percent IACS and contains substantially evenly distributed iron aluminate inclusions in a concentration produced by the presence of about 0.45 to about 0.95 weight percent iron in an alloy mass consisting essentially of about 98.95 to about 99.4399 weight percent aluminum;

from about 0.01 to about 0.15 weight percent silicon; and

about 0.0001 to less than 0.05 weight percent each of trace elements selected from the group consisting of vanadium, copper, manganese, magnesium, zinc, boron, and titanium, the total trace element content being from about 0.004 to about 0.15 weight percent, the iron aluminate inclusions having a particle size of less than 2,000 angstrom units, and the iron to silicon ratio being at least 8;

1.

11. Electric Service Cable of claim 10 wherein the silicon content is from 0.01 to 0.15 weight percent, the individual trace element content is from 0.0001 to 0.05 weight percent and the total trace element content is from 0.004 to 0.15 weight percent.

12. Electric Service Cable of claim 10 wherein the tubular conductor is covered with an insulating material selected from the group consisting of poly(vinyl chloride), neoprene, polypropylene, and polyethylene.

13. Electric Service Cable of claim 7 wherein the pair of conductors are formed from an aluminum alloy having a minimum electrical conductivity of 61 percent IACS and consisting essentially of about 0.55 to about 0.95 weight percent iron, from about 0.01 to about 0.15 weight percent silicon, about 0.0001 to less than 0.05 weight percent each of trace elements selected from the group consisting of vanadium, copper, manganese, magnesium, zinc, boron, and titanium, and from about 98.95 to about 99.4399 weight percent aluminum, said alloy containing about 0.004 to about 0.15 total weight percent trace elements and having an iron to silicon ratio of 8:

1 or greater.

14. Electric Service Cable of claim 13 wherein the pair of conductors has a silicon content of from 0.01 to 0.15 weight percent, an individual trace element content of from 0.0001 to 0.05 weight percent, and a total trace element content of from 0.004 to 0.15 weight percent.

15. Electric Service Cable of claim 10 wherein the pair of conductors are formed from an aluminum alloy having a minimum electrical conductivity of 61 percent IACS and containing substantially evenly distributed iron aluminate inclusions in a concentration produced by the presence of about 0.45 to about 0.95 weight percent iron in an alloy mass consisting essentially of about 98.95 to about 99.4399 weight percent aluminum;

from about 0.01 to about 0.15 weight percent silicon; and

about 0.0001 to less than 0.05 weight percent each of trace elements selected from the group consisting of vanadium, copper, manganese, magnesium, zinc, boron, and titanium, the total trace element content being from about 0.004 to about 0.15 weight percent, the iron aluminate inclusions having a particle size of less than 2, 000 angstrom units, and the iron to silicon ratio being at least 8;

1.

16. Electric Service Cable of claim 15 wherein the pair of conductors has a silicon content of from 0.01 to 0.15 weight percent, an individual trace element content of from 0.0001 to 0.05 weight percent, and a total trace element content of from 0.004 to 0.15 weight percent.