US258942A - Joseph v - Google Patents
Joseph v Download PDFInfo
- Publication number
- US258942A US258942A US258942DA US258942A US 258942 A US258942 A US 258942A US 258942D A US258942D A US 258942DA US 258942 A US258942 A US 258942A
- Authority
- US
- United States
- Prior art keywords
- metal
- conductors
- strip
- paper
- joseph
- 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
Links
- 229910052751 metal Inorganic materials 0.000 description 28
- 239000002184 metal Substances 0.000 description 28
- 239000004020 conductor Substances 0.000 description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 10
- 239000011888 foil Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 2
- 239000005539 carbonized material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
Description
(No Model.) J. V. NICHOLS.
CARBON FORINGANDESGBNT LAMPS.
Patented June 6, 1882'.
fave/liar:
Joseph VJVZc/wls.
fittest h: pew.
N. PETERS. Phnlu-Liihogrnphnn Waslunglcn. n.c.
UNITED STATES PATENT OFFICE.
- JOSEPH V. NIOHOLS, OF BROOKLYN, ASSIGNOR TO THE UNITED STATES ELECTRIC LIGHTING COMPANY, OF NEW YORK, N.
CARBON FOR INCANDESCENT LIAMPS.
SPECIFICATION forming part of Letters Patent No. 258,942, dated June 6, 1882. Application filed February 1, 1882. (No model.)
To all whom it may concern Be it known that I, J OSEPH V. NIoHoLs, a citizen 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 Oarbons for Incandescent Lamps, of which the following is a tion of-the blank. Conductors were thus formed having clamping ends of greater den-' sity and lower resistancethan the remainder of the strip.
My present invention relates to this method of forming conductors; and it consists broadly in combining metal with the clamping ends of the conductors; and this I efl'ect by re-enforcing the blanks by narrow strips of metal instead of carbonizable material, the object being to thereby further improve the conducting capacity of the clamping ends of the condoctors, which are cut from the compound blanks.
In carrying out my invention I select strips of paper or other material to be used, and lay along one or both edges, as the case may be, a narrow strip of metallic foil, using such metals as do not easily oxidize under high temperatures, as platinum, nickel, or even copper. Paste may be used to make the foil adhere. The two are then subjected to'high pressure and a temperature about that of melted lead. By this means they are forced into i11- timate contact and caused to strongly adhere. From the strips thus prepared, as from the ordinary blanks, the loops which form the conductors are cut by a die, so much of the reenforced portion being out as will leave a film of metal on the clamping ends of the loops. The loops are then to be carbonized, and in other respects treated in the same manner as the ordinary or simple carbons. During the process of carbonization the metal and the carbonizable material are thoroughly united. The strips of metallic foil may be applied to one or both sides of the wider strips of carbonizabl'e material, or two stripsofcarbonizable material may be laid together to form a compound blank and the strip of metal laid between them.
The accompanying drawings illustrate the different ways of applying the metal to the paper.
Figure 1 represents a single sheet of paper, A, and a single strip of metal foil, B, laid on one side of the paper only. Fig. 2 shows the paper with the strip of metal folded or doubled so as to cover the edge of the paper on both sides, and Fig. 3 shows the two sheets of paper A A with the metal foil laid between them.
The loops for the conductors are cut from the blanks, as is indicatedin the dotted lines in Fig. 1. It is evident that the same object may be attained by stillfurther modifications,which it is not necessary here to describe. Conductors thus formed, particularly those of very high resistance, are connected to the supporting-conductors of the lamp with little difficulty, owing to the good conducting properties of the clamping ends, and consequent security from heating and oxidation at those points.
I am aware that the ends of carbon conductors for electric lamps have heretofore been coated with metal by the process of electro-deposition.
.Such I do not claim.
What I claim is l. A carbon conductor for incandescent lamps, having its clamping ends composed in part of metal mechanically incorporated therewith, as described.
2. A carbon conductor for incandescent lamps, re-enforced at its ends by a film or strip of metal mechanically incorporated therewith, substantially as described.
3. As a new article of manufacture, a conductor for incandescent lamps, composed of a single or compound strip of carbonized material, having enlarged clamping ends, menforced by a film or strip of metal mechanically incorporated therewith, substantially as described.
In testimony whereof I have hereunto set my hand this 30th day of January, 1882.
JOSEPH V. NICHOLS. Witnesses:
PARKER W. PAGE, W. Fraser
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US258942A true US258942A (en) | 1882-06-06 |
Family
ID=2328223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US258942D Expired - Lifetime US258942A (en) | Joseph v |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US258942A (en) |
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0
- US US258942D patent/US258942A/en not_active Expired - Lifetime
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