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US281223A
US281223A US281223DA US281223A US 281223 A US281223 A US 281223A US 281223D A US281223D A US 281223DA US 281223 A US281223 A US 281223A
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conductor
material
wires
insulating
conductors
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22Metal wires or tapes, e.g. made of steel
    • H01B7/226Helicoidally wound metal wires or tapes
    • 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
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12535Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • 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
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12687Pb- and Sn-base components: alternative to or next to each other
    • Y10T428/12694Pb- and Sn-base components: alternative to or next to each other and next to Cu- or Fe-base component

Description

UNITED STATES PATENT OFFICE,

HIRAM D. ROGERS, OF NEW YORK, N. Y.

ELECTRIC CONDUCTOR.

SPECIFICATION forming part of Letters Patent No. 281,223, dated July 10, 1883. Application filed J une 14, 1882. iNo model.)

To all whom it may concern.-

Be it known that I, 'HIRAM D. ROGERS, of New York city, in the county and State of New York, have invented a new and useful Improvement in the Manufacture of Electrical Conductors, which improvement is fully set forth in the following specification.

This invention has reference, first, to the formation of a tubular conductor or pipe by braiding or otherwise arranging wires, ribbons, or the like upon a core or mandrel, and then uniting the several strands by electro-deposit; second, to the simultaneous formation by electro-deposition of a number of wires in and upon an insulating envelope or support; third, to the protection of insulated conductors to be sheathed or incased inlead pipe by plating or connecting the insulating material with metal before running them through the leadpipe press; fourth, to the new products or articles produced by the above improvements;

and, lastly, to special combinations of con ductors in a cable designed to secure strength with economy of material and space.

In the accompanying drawings is represented a conducting-cable made in accordance with the invention, Figure 1 being a side view with different layers exposed, and Fig. 2 a crosssection.

A is the central hollow conductor or tube; 13, a coating of insulating material thereon; O, a second tubular conductor enveloping the insulating-coating B; D, insulating material; E, a series of conductors embedded in said insu lating material D F, a protecting shell or plating of metal, and G an exterior sheath or pipe of lead.

The conductor A is formed by braiding, weaving, twisting, plaiting, winding, or 0th erwise arranging a series of metal wires,strips, ribbons, or the like on a suitable core or mandrel, and then, having immersed the whole in an electrolytic solution or electroplating-bath, depositing by electricity from the solution upon the conducting-base of braided or twisted wires or the like a coherent mass of metal, which. attaches the several wires together and unites them into a single tube. The electrodeposit and the base may both be of copper; or, if desired, they may be of other suitable metal or metals. When the base of braided thereon. .sulating material which serves as a core, or to wires or the like is able to sustain itself, it is or may be removed from the core or mandrel before placing it in the electroplating-bath. The deposit or electroplating is made of any desired thickness, so that the conductor will be either flexible or rigid, as may be required. The conductor thus formed is coated with insulating material, B, in any ordinary or suit able way. The material used may be cotton or silk soaked in paraffine, rubber, gutta-percha, or other known or suitable insulating material.

The conductor 0 is formed by braiding,

plaiting, weaving, winding, or otherwisesuitably arranging insulated wires, strips, or ribbons of copper or other metal around the in sulating material B, and then depositing by electrolysis copper or other suitable metal It is preferred to black-lead the incoat it with metallic paint, so as to favor the deposit of metal in the interstices of the braided wire. The removable core or mandrel for forming the conductor A may in like manner be black-leaded or painted.

The insulating material 13 may be applied and the wires of the conductor 1) braided over the applied material in the same machine, simultaneously or successively.

The conductor 0 is coated with insulating material, in which are left or formed a series of open channels extending in straight lines lengthwise of the cable or spirally around the same or in other suitable direction. These channels are formed by strips, or they are made by a suitable tool in a body of plastic insulating material or in other suitable way. The walls of the channels are black-leaded or coated with metallic paint or otherwise rendered conducting, and, the cable being placed in an electroplating -bath, copper or other metal is deposited in said channels until a se= ries of conductors of the required thickness are obtained. If desired, wires or conductingstrips may be laid inthe channels as foundations for the deposit. After the conductors E are formed they are covered with the insulating material D. The said material is then black-leaded or otherwise rendered conducting at the surface, and is covered with a plate or protecting-shell, F, after which the cable is passed through the hollow core and die of a pipe-press, and the leaden sheath or tube G is pressed thereon, as well understood for enveloping conductors in leaden pipes. The object of the sheath or plating F is to protect the i11- sulating material beneath during the application of the leaden sheath. Heretofore great difficulty has been experienced in coating insulated conductors with lead pipe by means of a pipe-press, because of the melting or shifting of the gutta-percha or other insulating material when subjected to the high temperature (about 400 Fahrenheit) at the die of the press. By the application of the protective shell or plating F, which is made of metal not fusible at that temperature, the insulation is preserved from injury. The central conductor, A, being hollow, may receive one or more small insulated conductors, or may be used for conveying liquids or gases.

Modifications may be made in the details of construction without departing from the spirit of the invention, and portions of the invention may be used separately. For example, the central conductor may be a solid wire, to an swer the purpose of a conductor or for strength, if used for aerial lines, or it can be a tube made by drawing or other suitable way. Outside the wires E a series of similar wires may be placed, with or without the interposition of a tubular conductor, such as 0. Instead of braiding bare wires to form conductor A and electroplating them, it may be formed, like conductor 0, ofinsulated wires braided, woven, or otherwise suitably arranged and united by electroplating. The braided conductor may be tubes, if desired. The shell or plating F, to protect the insulation in applying the leaden sheath, may be used for single wires as well as for cables. An improved cable may be formed of a number of ordinary conductors, or wires may be embedded in insulating material be tween concentric conductors of ordinary construction, or of the improved construction of braided wires united by electroplating. The plating F and leaden sheath G may be utilized as a conductor, if desired. In some cases the electro-deposit on the braided wires may be omittedas, for example, when the wires are tightly braided or woven-the ends in such case being secured by plating, solder, or othcrwise.

Having now fully described my said invention and the manner of carrying the same into effect, what I claim is- 1. The method of forming a tubular eonductor or pipe by arranging wires, strips, or the like around a core or center, and then dcpositing metal thereon by electrolysis, to unite the strands, substantially as described.

2. A tubular conductor or pipe having a base of wires, strips, or the like united by an electro deposit or plating, substantially as described.

3. The method of forming electrical conductors for cables by providing grooves or channels in insulating material, adapting the surface of said grooves or channels to receive an electro-deposit, and depositing metal in said grooves or channels simultaneously, substantially as described.

4. In the manufacture of leadincased conductors by a pipe-press, the method of pro tecting the insulating material by enveloping the same in a metallic shell or plating before passing through the pipe-press, substantially as described.

5. An electrical conductor having a metal shell or plating outside the insulating material, and a leaden sheath applied to said shell or plating, substantially as described.

6. An electrical conductor having a hollow tubular conductor at the center, and a series of conductors arranged about said hollow eonductor at a suitable distance and insulated, substantially as described.

7. An electric cable or compound conductor comprising a central conductor, a tubular c011- ductor surrounding the same, a series of conductors around said tubular conductor, a leaden sheath, and a protective metallic shell or plating inside said sheath, said conductors being separated from each other and from said shell or plate by insulating material, substantially as described.

8. A tubular conductor formed of insulated wires woven, braided, twisted, or similarly arranged, and united by electroplating, substantially as described.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

H. D. ROGERS. Witnesses JOHN MoCLURn, GEO. E. Macov.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608529A (en) * 1945-12-29 1952-08-26 Sperry Corp Method of uniting parts by electrodeposition
US4376920A (en) * 1981-04-01 1983-03-15 Smith Kenneth L Shielded radio frequency transmission cable
US4808767A (en) * 1986-12-16 1989-02-28 Giuseppe Colbachini Flexible hose assembly for diving suits

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608529A (en) * 1945-12-29 1952-08-26 Sperry Corp Method of uniting parts by electrodeposition
US4376920A (en) * 1981-04-01 1983-03-15 Smith Kenneth L Shielded radio frequency transmission cable
US4808767A (en) * 1986-12-16 1989-02-28 Giuseppe Colbachini Flexible hose assembly for diving suits

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