US563716A - Electrical insulating-sheet - Google Patents
Electrical insulating-sheet Download PDFInfo
- Publication number
- US563716A US563716A US563716DA US563716A US 563716 A US563716 A US 563716A US 563716D A US563716D A US 563716DA US 563716 A US563716 A US 563716A
- Authority
- US
- United States
- Prior art keywords
- sheet
- tissue
- gutta
- electrical insulating
- mica
- 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
- 239000000899 Gutta-Percha Substances 0.000 description 24
- 229920000588 Gutta-percha Polymers 0.000 description 24
- 240000000342 Palaquium gutta Species 0.000 description 24
- 210000001519 tissues Anatomy 0.000 description 22
- 239000010445 mica Substances 0.000 description 16
- 229910052618 mica group Inorganic materials 0.000 description 16
- 239000000123 paper Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 239000010425 asbestos Substances 0.000 description 10
- 229910052895 riebeckite Inorganic materials 0.000 description 10
- 239000012212 insulator Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000003106 tissue adhesive Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/251—Mica
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31659—With cellulosic layer
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31826—Of natural rubber
- Y10T428/31841—Next to cellulosic
Definitions
- the subject-matter of this application for a patent relates to an insulator built up in sheet form, which may be put upon the market and cut up by the purchasers into any desired shape and bent for use into troughs, rings, and other insulating articles.
- the present invention relates particularly to a specific form of insulator consisting as hereinafter set forth.
- the object of myinvention is, from a broad point of View, as exhibited in my other application, to produce a mica sheet which is held to another mica sheet or to other material by means of a cement which remains at ordinary temperatures pliable in all directions, especially in a superficial direction, whereby it may be elongated when subjected to tension and returned to its original dimensions when released from tension.
- this application relates particularly to a combination in which the mica is cemented to particular materials.
- Figure l is a plan of a sheet having layers of diiierent materials and broken away to different extents, so that each layer is partly visible.
- Fig. 2 is a cross-section of the sheet which is shown in Fig. l, the thickness being greatly magnified in order to better illustrate the diiferent layers.
- Fig. 3 is a similar View to that shown in Fig. 1 of a modification of the arrangement and of the particular materials.
- the sheet consists of materials as follows;
- the first layer consists of paper and is lettered 10, the second of guttapercha tissue and is lettered g, the third of asbestos and islettcred a, the fourth of gutta- Patentedin England December 2, 1895,110. 6,048.
- percha tissue and is lettered ggihc fifth of mica and is lettered m
- the sheet consists of, first, a top layer of asbestos a, then a layer of guitapercha then a layer of mica m, then a layer of gutta-percha tissue g, and then a last layer of asbestos a.
- Fig. 1 A layer of paper is taken, and upon this is placed the gutta-percha tissue in the condition in which it is bought in the market.
- the gutta-percha tissue are laid by hand or by any convenient tool pieces of waste mica having dimensions of from one by two or two by three inches, the, but generally of about these dimensions. They are laid with their edges abutting or overlapping one another.
- the mica is put another sheet of gutta-percha tissue as before, and upon this a further thin sheet of asbestos, for example, as it comes in the market, in appearance, to a great extent, like a sheet of cloth or paper.
- a sheet of guttapercha tissue Next comes a sheet of guttapercha tissue and then the paper.
- the gutta-percha tissue adhesive In order to make the gutta-percha tissue adhesive and thereby form a cement, it is heated to atomperature below its kindlingpoint and also below that temperature at which it might become changed as to its chemical nature. ⁇ Vhile it is in a heated condition the whole sheet is subjected to heavy pressure in order to form close contact and to drive out occluded gases. hen the sheet becomes cool, it is ready for use.
- the guttapercha tissue becomes an adhesive substance and to the touch is sticky, and therefore it is preferable not to manufacture this sheet with gutta-percha tissue on the outside be-
- An electric insulator in sheet form con sisting of layers of paper, asbestos, mica and paper and adhesive gutta-percha between any and every two of said layers, which are arranged in the order named.
Description
(No Model.)
0-. W. JEFFERSON. ELECTRICAL INSULATING SHEET No. 563,716. Patented July 7, 1896.
INVENTOI? A77 ENE).
m: norms Psrcns co rmoTo-Lrmov wnsumcrou, q. a
PATENT EEicE.
CHARLES XV. JEFFERSON, OF SCHENEGTADY, NEW YORK.
ELECTRICAL INSULATING-SHEET.
SPECIFICATION forming part of Letters Patent No. 563,716, dated July '7, 1896. Original application filed March 16, 1895, Serial No. 541,996. Divided and this application filed November 28, 1895. Serial No.
569L866. lie model.)
To (all whom it may concern.-
Be it known that 1, CHARLES XV. J EFFER- soN, a subject of the Queen of Great Britain, and a resident of Schenectady, in the county of Schenectady and State of New York, have invented a new and useful Improvement in Electrical InsulatingSheets, (for which I have obtained British Patent No. (5,048, provisional specification filed March 23, 1895, complete specification filed December 2,1895,) of which the following is a specification.
The subject-matter of this application for a patent relates to an insulator built up in sheet form, which may be put upon the market and cut up by the purchasers into any desired shape and bent for use into troughs, rings, and other insulating articles.
The application is a division of my pending application, Serial No. 541,996, filed March 16, 1895.
The present invention relates particularly to a specific form of insulator consisting as hereinafter set forth.
The object of myinvention is, from a broad point of View, as exhibited in my other application, to produce a mica sheet which is held to another mica sheet or to other material by means of a cement which remains at ordinary temperatures pliable in all directions, especially in a superficial direction, whereby it may be elongated when subjected to tension and returned to its original dimensions when released from tension. To this end this application relates particularly to a combination in which the mica is cemented to particular materials.
Figure l is a plan of a sheet having layers of diiierent materials and broken away to different extents, so that each layer is partly visible. Fig. 2 is a cross-section of the sheet which is shown in Fig. l, the thickness being greatly magnified in order to better illustrate the diiferent layers. Fig. 3 is a similar View to that shown in Fig. 1 of a modification of the arrangement and of the particular materials.
Referring to Fig. 1, the sheet consists of materials as follows; The first layer consists of paper and is lettered 10, the second of guttapercha tissue and is lettered g, the third of asbestos and islettcred a, the fourth of gutta- Patentedin England December 2, 1895,110. 6,048.
percha tissue and is lettered ggihc fifth of mica and is lettered m, the sixth of guttapercha tissue and is lettered g, and the seventh of paper and is lettered p.
In Fig. 3 the sheet consists of, first, a top layer of asbestos a, then a layer of guitapercha then a layer of mica m, then a layer of gutta-percha tissue g, and then a last layer of asbestos a.
It is necessary to notice that there is a layer of gutta-percha tissue between any two layers of the other materials. Otherwise my invention is of such a nature as to include a change in the arrangement of the layers from that shownin Fig. 1. An illustration of such a change is exhibited in Fig. 3.
In order that any one versed in the art may be able to construct and use this insulator,-
the process will be briefly described. Suppose it is determined to build a sheet exhibited in Fig. 1. A layer of paper is taken, and upon this is placed the gutta-percha tissue in the condition in which it is bought in the market. Uponthe gutta-percha tissue are laid by hand or by any convenient tool pieces of waste mica having dimensions of from one by two or two by three inches, the, but generally of about these dimensions. They are laid with their edges abutting or overlapping one another. Upon the mica is put another sheet of gutta-percha tissue as before, and upon this a further thin sheet of asbestos, for example, as it comes in the market, in appearance, to a great extent, like a sheet of cloth or paper. Next comes a sheet of guttapercha tissue and then the paper. In order to make the gutta-percha tissue adhesive and thereby form a cement, it is heated to atomperature below its kindlingpoint and also below that temperature at which it might become changed as to its chemical nature. \Vhile it is in a heated condition the whole sheet is subjected to heavy pressure in order to form close contact and to drive out occluded gases. hen the sheet becomes cool, it is ready for use.
By the process above named the guttapercha tissue becomes an adhesive substance and to the touch is sticky, and therefore it is preferable not to manufacture this sheet with gutta-percha tissue on the outside be- An electric insulator in sheet form con sisting of layers of paper, asbestos, mica and paper and adhesive gutta-percha between any and every two of said layers, which are arranged in the order named.
In testimony that I claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 19th day of November, 1895.
CHARLES W. JEFFERSON.
IVitnesses:
HARRY W. DENNINGTON, FRANK L. SAUTER.
Publications (1)
Publication Number | Publication Date |
---|---|
US563716A true US563716A (en) | 1896-07-07 |
Family
ID=2632436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US563716D Expired - Lifetime US563716A (en) | Electrical insulating-sheet |
Country Status (1)
Country | Link |
---|---|
US (1) | US563716A (en) |
-
0
- US US563716D patent/US563716A/en not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5664861A (en) | Multilayer plastic film and its manufacture | |
US563716A (en) | Electrical insulating-sheet | |
HUP0101167A2 (en) | Layered composite materials with a decorative layer made from a chromed metal | |
JP2008293870A (en) | Planar heating element and manufacturing method therefor | |
US563379A (en) | Ferson | |
US726485A (en) | Insulating material. | |
US985420A (en) | Wire coil. | |
US691871A (en) | Insulating and packing material and process of manufacturing same. | |
US491707A (en) | Electrical insulating conduit | |
US334850A (en) | Electric cables | |
US687531A (en) | Insulating material. | |
US684648A (en) | Apparatus for molding fibrous material. | |
US936658A (en) | Packing. | |
US1065802A (en) | Fire and water proof insulation. | |
US687532A (en) | Method of making insulating material. | |
US920276A (en) | Process of handling shaped or molded masses of incoherent material. | |
USD49694S (en) | Design for a forty-five-degree flat elbow-base for fittings for elec | |
US244066A (en) | Covering for steam-pipes | |
US471587A (en) | Insulated electric conductor | |
USD40256S (en) | Design for a rug | |
USD34711S (en) | Design for a plate | |
US563001A (en) | Elastic cord and method of making same | |
US1115519A (en) | Method of strengthening receiver-shells. | |
US527219A (en) | Eeford | |
US483646A (en) | Process of making artificial mica sheets for electrical |