US268270A - Joseph v - Google Patents
Joseph v Download PDFInfo
- Publication number
- US268270A US268270A US268270DA US268270A US 268270 A US268270 A US 268270A US 268270D A US268270D A US 268270DA US 268270 A US268270 A US 268270A
- Authority
- US
- United States
- Prior art keywords
- platinum
- wires
- copper
- joseph
- lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/20—Seals between parts of vessels
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12625—Free carbon containing component
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12875—Platinum group metal-base component
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
Definitions
- the conducting or supporting wires of incandescent lamps as now commonly manufactured are made of platinum, this metal having been found to give the best results, for several reasons, the principal of which, generally stated, are the readiness with which itadheres T5 to glass, and the fact that it retains a smaller proportion of air or gas than copper, and consequently permits the attainment of a more perfect vacuum in the lamp.
- the use of platinum wires is, however, a serious obstacle to the production of incandescent lamps,owing to the high cost of this metal.
- FIG. 1 For purpose of illustration, I have represented in the accompanying drawings a compound wire of copper and platinum and a lamp in which the same is or may be used.
- the wire in Figure l is composed of a copper core, A, and a platinum sheathing, B.
- Fig. 2 illustrates the application of such wires to the 5 construction of an ordinary electric lamp.
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- Adornments (AREA)
Description
(No Model.)
J. V. NICHOLS.
ELECTRIC INGANDBSGENT LAMP. A 0 Patented Nov. 28, 1882.
PATENT O FICE.
JOSEPH V. NICHOLS, OF BROOKLYN, ASSIGNOR TO THE UNITED STATES ELECTRIC LIGHTING COMPANY, OF NEIY YORK, N. Y.
ELECTRIC INCANDESCENT LAMP.
SPECIFICATION forming part of Letters Patent No. 268,270, dated November 28, 1882.
Application filed February 28, 1832.
To all whom it may concern:
Be it known that; I, JOSEPH V. NICHOLS, acitizen of the United States, and a resident of Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Electric Incandescent Lamps, of which the following is a specification.
The conducting or supporting wires of incandescent lamps as now commonly manufactured are made of platinum, this metal having been found to give the best results, for several reasons, the principal of which, generally stated, are the readiness with which itadheres T5 to glass, and the fact that it retains a smaller proportion of air or gas than copper, and consequently permits the attainment of a more perfect vacuum in the lamp. The use of platinum wires is, however, a serious obstacle to the production of incandescent lamps,owing to the high cost of this metal.
My object is to produce conductors which present practically all the advantages of pure platinum, and of which the expense is much less. To this end I employ as the supportingconductors compound wires of copper or similar. cheap metal and platinum,the latter forming the exterior surface of the wires. Such wires are produced by the well-known process of drawing down a tube of platinum and core of copper, or by other equivalent methods. It is not essential that the platinum should be more than a mere film in the finished wire. It must, however, be intimately and perfectly united to the copper core. These wires are to be used in the same manner precisely as the (No model.)
ordinary platinum or copper wires commonly employed.
For purpose of illustration, I have represented in the accompanying drawings a compound wire of copper and platinum and a lamp in which the same is or may be used. The wire in Figure l is composed of a copper core, A, and a platinum sheathing, B. Fig. 2 illustrates the application of such wires to the 5 construction of an ordinary electric lamp.
I am aware that various metals have been drawn togetherin this manner for thepurpose of increasing the conductivity or strength, or both, of a given length of wire. I am not however aware that the two metals specified viz,, copper and platinum-have ever been so drawn or combined in the manner and for the purpose indicated.
What I claim, therefore, is,-
1. In an incandescent lamp, in combination with the glass receiver, supporting-wires tor t he carbon composed of copper and platinum, in substantially the manner described.
2. The combination of an air exhausted 6o globe, a carbon-conductor contained therein, and compound wires consisting of copper cores incased in platinum, sealed into said globe, and connected with the carbon, as and for the purpose specified. 6
In testimony whereof I have hereunto set my hand this 16th day of February, 1862.
JOSEPH V. NICHOLS.
lVitnesses:
W. FRISBY,
F. BARNES.
Publications (1)
Publication Number | Publication Date |
---|---|
US268270A true US268270A (en) | 1882-11-28 |
Family
ID=2337519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US268270D Expired - Lifetime US268270A (en) | Joseph v |
Country Status (1)
Country | Link |
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US (1) | US268270A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860274A (en) * | 1955-07-21 | 1958-11-11 | British Thomson Houston Co Ltd | Electrical lamps |
US2937308A (en) * | 1955-09-07 | 1960-05-17 | British Thomson Houston Co Ltd | Electric lamps |
US3727091A (en) * | 1971-05-11 | 1973-04-10 | Westinghouse Electric Corp | Halogen-cycle incandescent lamp having a platinized interior fuse |
-
0
- US US268270D patent/US268270A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860274A (en) * | 1955-07-21 | 1958-11-11 | British Thomson Houston Co Ltd | Electrical lamps |
US2937308A (en) * | 1955-09-07 | 1960-05-17 | British Thomson Houston Co Ltd | Electric lamps |
US3727091A (en) * | 1971-05-11 | 1973-04-10 | Westinghouse Electric Corp | Halogen-cycle incandescent lamp having a platinized interior fuse |
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