US354257A - slatteey - Google Patents
slatteey Download PDFInfo
- Publication number
- US354257A US354257A US354257DA US354257A US 354257 A US354257 A US 354257A US 354257D A US354257D A US 354257DA US 354257 A US354257 A US 354257A
- Authority
- US
- United States
- Prior art keywords
- block
- resistance
- conducting
- mass
- slatteey
- 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
- 239000000463 material Substances 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000004020 conductor Substances 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 101700055259 con-6 Proteins 0.000 description 2
- 239000011507 gypsum plaster Substances 0.000 description 2
- 235000013379 molasses Nutrition 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49082—Resistor making
- Y10T29/49101—Applying terminal
Definitions
- the block may be made by mixing the ouslyimmaterial. I have shown itin the form ingredients with molasses or sugar, and then 60 of a cylindrical block, A. The central porbaking or carbonizing the mass. tion of this block is composed of conducting What I claim is material mixed withnon-conducting refrac- 1. A resistance-block of conducting and tory material in varying proportions. The non-conducting materials, intimately mixed, precise ingredients are unimportant; but I combined with terminal pieces or caps of con- 6 have generally used carbon as the conducting ductingmaterial, between which the said block material, and wood ashes or plaster-of-paris is held, substantially as set forth.
Description
(No Model.) 7
M. M. SLATTERY.
RESISTANCE BLOCK FOR ELEOTRIG CIRCUITS.
No. 354,257. Y Patented Dec. 14, 1886.
wkg eszas. I IqY/EQ lZDI T @Mmm v J6 M t UNITED STATES- PATENT, OFFIC MARMADUKE M. M. SLATTERY, OF WVOBURN, MASSACHUSETTS, ASSIGNCR- TO THE SUN ELECTRIC LIGHT COMPANY, OF SAME'PLACE.
RESISTANCE-BLOCK FOR ELECTRIC ClRCUlTS.
SPECIFICATION forming part of Letters Patent No. 354,257, dated December 14, 1886.
Application filed October 29, 1885. Serial No. 181,228, (No model.) I
To aZZ whom it 111/014} concern: and another layer below the composition mass,
Be it known that I, MARMADUKE M. M. and then press the whole into shape. If the 40 SLATTERY, of lVoburn, county of Middlesex, shape desired be that of a cylinder, as shown, State of Massachusetts, have invented a certhe composition mass will make up the middle tain new and useful Improvement in Resistof the cylinder, as at A, and the pure carbon ance-13locks for Electric Circuits, of which the will form the ends B B; following is a full, clear, concise, and exact A greater or less resistance may be obtained 45 description, reference being had to the drawby varying the proportions of conducting and ing accompanying and forming a part hereof, non-conducting material, an increase of non 1c in which is shown a Vertical section of a conconducting material proportionately giving a venient form of my resistance-block. block of greater resistance. In this manner a The object of my invention is the producblock of any given resistance may be easily 50 tion of an economical and efficient resistance constructed. medium or block for an electric circuit; and it The block may be mounted in any suilablc 15 consists, chiefly, in the peculiar composition manner. I have shown it supplied with ter of matter, hereinafter described, of which the minal pieces or caps C D, which may be of body of the block is composed, and, further, carbon or other suitable material. 5 5 in the arrangement of this composition in the I do not desire to limit myself to the precise block between terminal layers of different method of constructing the block or trealing character, as hereinafter more fully described. the materials, as these may be varied. For en The shape of my resistance-piece is obviample, the block may be made by mixing the ouslyimmaterial. I have shown itin the form ingredients with molasses or sugar, and then 60 of a cylindrical block, A. The central porbaking or carbonizing the mass. tion of this block is composed of conducting What I claim is material mixed withnon-conducting refrac- 1. A resistance-block of conducting and tory material in varying proportions. The non-conducting materials, intimately mixed, precise ingredients are unimportant; but I combined with terminal pieces or caps of con- 6 have generally used carbon as the conducting ductingmaterial, between which the said block material, and wood ashes or plaster-of-paris is held, substantially as set forth.
0 as the non-conducting material. TheseImix 2. A resistance-block having a body conr together thoroughly in apowdered or commiposed of conducting and nonconducting manuted condition, with sufficient moisture to terials, as described, inclosed between layers 70 make them readily cohere into a mass, I of conducting material, substantially as set then make a similar mass, wholly of conductforth.
ing materialas carbon-and when I mold MARMADUKE M. M. SMT'IBRY,
the block into shape, which is done by com- Witnesses: pressing it within a mold of the proper form, \VM. A. llIAOLEOD,
I put a layer of the pure carbon mass on top, ROBERT SVALLAOE,
Publications (1)
Publication Number | Publication Date |
---|---|
US354257A true US354257A (en) | 1886-12-14 |
Family
ID=2423309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US354257D Expired - Lifetime US354257A (en) | slatteey |
Country Status (1)
Country | Link |
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US (1) | US354257A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3444616A (en) * | 1964-01-02 | 1969-05-20 | Inst Of Technology | Electric heating element and its fabrication |
-
0
- US US354257D patent/US354257A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3444616A (en) * | 1964-01-02 | 1969-05-20 | Inst Of Technology | Electric heating element and its fabrication |
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