US333394A - eichaeds - Google Patents

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US333394A
US333394A US333394DA US333394A US 333394 A US333394 A US 333394A US 333394D A US333394D A US 333394DA US 333394 A US333394 A US 333394A
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Prior art keywords
alumina
coating
conductor
binding agent
clark
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/294Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2958Metal or metal compound in coating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/294Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/296Rubber, cellulosic or silicic material in coating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31678Of metal
    • Y10T428/31717Next to bituminous or tarry residue

Definitions

  • Our invention relates to electrical conductors, and has for its object to produce an electrical conductor that shall be thoroughly insulated, and at the same time be pliable and capable of bending Without destroying or in I juring the insulation, that will not bed eleteriously affected by the elements, and that can be cheaply and readily constructed.
  • Our invention consists of an electrical conductor covered or coated with an insulating material consisting, essentially, of alumina or giride of aluminum in as pure a state as possi- Alumina in a dry pure state is an excellent non-conductor of electricity, and its use as an insulator applied to external or underground lines forms the basis of our invention.
  • insulating material consisting, essentially, of alumina or giride of aluminum in as pure a state as possi- Alumina in a dry pure state is an excellent non-conductor of electricity, and its use as an insulator applied to external or underground lines forms the basis of our invention.
  • lVe have applied the same to the conductors in various ways by the use of some suitable binding agent, of which a comparatively small quantity need be used. It may be applied in many and various ways, which are not material to our present invention, and need not be specifically stated herein.
  • one of the best ways of applying it consists in forming a plastic mass of the alumina and a vehicle or binding agent-such as tar, asphaltum, gums, and the likeand applying a suitable coating of such material to the wire or conductor by suitable machinery.
  • binding agents may be used besides those mentioned-as a small quantity of indiarubber, gutta-percha, and the like; or the alumina may be applied directly to the wire and a coating of some suitable materialas tar or asphaltun1applied over the alumina to hold the same in place, and braiding or strips of textile or other material saturated with a binding agent may be applied to the coating of alumina or otherwise.
  • the essential feature of our invention consists in applying a coating of alumina in as pure a state as possible directly to or around the conductor.
  • a conductor having a coating of alumina, I); also having a part supplied with an exterior coating of some binding agent, 0, and again covered in part with a spun or woven material, d, saturated with some suitable substance, as above stated.
  • WVe are aware that insulating compounds have been proposed wherein clay has formed an ingredient, and we do not claim such, broadly.

Description

(No Model.)
B. CLARK & T. A. RICHARDS.
. ELECTRICAL CONDUCTOR. No. 388,394. Patented Dec. 29, 1885.
UNITED STATES PATENT @FFIC&
EDWARD CLARK, OF NEVVBURG, AND THERON A. RICHARDS, OF BROOKLYN, NEW YORK.
ELECTRICAL CONDUCTOR.
SPECIFICATION forming part of Letters Patent No. 333,394, dated December 29, 1885.
Serial No.184,'145. (No model.)
To all whom it may concern:
Be it known that we, EDWARD CLARK and THERON A. RICHARDS, citizens of the United States, and residents of N ewburg, Orange county, and Brooklyn, Kings county, respect ively, in the State of New York, have invented certain new and useful Improvements in Electric Conductors, of which the following is a specification.
Our invention relates to electrical conductors, and has for its object to produce an electrical conductor that shall be thoroughly insulated, and at the same time be pliable and capable of bending Without destroying or in I juring the insulation, that will not bed eleteriously affected by the elements, and that can be cheaply and readily constructed.
Our invention consists of an electrical conductor covered or coated with an insulating material consisting, essentially, of alumina or giride of aluminum in as pure a state as possi- Alumina in a dry pure state is an excellent non-conductor of electricity, and its use as an insulator applied to external or underground lines forms the basis of our invention. lVe have applied the same to the conductors in various ways by the use of some suitable binding agent, of which a comparatively small quantity need be used. It may be applied in many and various ways, which are not material to our present invention, and need not be specifically stated herein. It may be said, generally, that one of the best ways of applying it consists in forming a plastic mass of the alumina and a vehicle or binding agent-such as tar, asphaltum, gums, and the likeand applying a suitable coating of such material to the wire or conductor by suitable machinery.
Many binding agents may be used besides those mentioned-as a small quantity of indiarubber, gutta-percha, and the like; or the alumina may be applied directly to the wire and a coating of some suitable materialas tar or asphaltun1applied over the alumina to hold the same in place, and braiding or strips of textile or other material saturated with a binding agent may be applied to the coating of alumina or otherwise.
The essential feature of our invention consists in applying a coating of alumina in as pure a state as possible directly to or around the conductor.
In the accompanying drawing is shown a conductor, a, having a coating of alumina, I); also having a part supplied with an exterior coating of some binding agent, 0, and again covered in part with a spun or woven material, d, saturated with some suitable substance, as above stated.
Ve do not here claim this construction of the insulator, as it constitutes the subject of a separate application for Letters Patent.
WVe are aware that insulating compounds have been proposed wherein clay has formed an ingredient, and we do not claim such, broadly.
What we claim is- 1. An electric conductor coated with alumina as an insulating material, substantially as described.
2. The combination, with a wire, of an insulating-coating consisting, essentially, of alumina and a binding agent, substantially as described.
In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.
EDWARD CLARK. THERON A. RICHARDS.
Witnesses:
E. J. CLARK, .1110. S. HUYLER.
US333394D eichaeds Expired - Lifetime US333394A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421652A (en) * 1943-08-02 1947-06-03 Sprague Electric Co Electrical conductor
US3042887A (en) * 1958-09-15 1962-07-03 Siemens Ag Magnetic-field responsive resistance device
US20060198064A1 (en) * 2005-02-23 2006-09-07 Chiang Chia C Buffer interface for fruit ripening display

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421652A (en) * 1943-08-02 1947-06-03 Sprague Electric Co Electrical conductor
US3042887A (en) * 1958-09-15 1962-07-03 Siemens Ag Magnetic-field responsive resistance device
US20060198064A1 (en) * 2005-02-23 2006-09-07 Chiang Chia C Buffer interface for fruit ripening display

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