US523204A - Incandescent electric lamp - Google Patents
Incandescent electric lamp Download PDFInfo
- Publication number
- US523204A US523204A US523204DA US523204A US 523204 A US523204 A US 523204A US 523204D A US523204D A US 523204DA US 523204 A US523204 A US 523204A
- Authority
- US
- United States
- Prior art keywords
- stopper
- neck
- lamp
- wires
- cement
- 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
- 210000003739 Neck Anatomy 0.000 description 44
- 239000011521 glass Substances 0.000 description 30
- 239000004568 cement Substances 0.000 description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000006011 modification reaction Methods 0.000 description 6
- 210000003128 Head Anatomy 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 239000000899 Gutta-Percha Substances 0.000 description 2
- 229920000588 Gutta-percha Polymers 0.000 description 2
- 240000000342 Palaquium gutta Species 0.000 description 2
- 241000779819 Syncarpia glomulifera Species 0.000 description 2
- 229940036248 Turpentine Drugs 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000007799 cork Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000266 injurious Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001739 pinus spp. Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
Images
Classifications
-
- 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
- H01J5/22—Vacuum-tight joints between parts of vessel
- H01J5/26—Vacuum-tight joints between parts of vessel between insulating and conductive parts of vessel
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/04—Joining glass to metal by means of an interlayer
- C03C27/042—Joining glass to metal by means of an interlayer consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts
Definitions
- My invention consists in a lamp formed of a glass globe having a neck adapted for receiving a stopper, a compound stopper formed of two or more elements and inserted in the neck of the globe, one element of the stopper being for tightly closing the neck and supporting the leading wires, another for hermetically sealing the stopper and the wires, and where a third element is used it is added for the purpose of giving increased stability to the leading wires, for protecting the sealing material and for forming a head for holding the lamp in its socket and for protecting the lamp from breakage; the head acting as a buffer between the glass bulb and socket, and a filament and leading wires, all as hereinafter more fully described.
- Figure l is a vertical transverse section of my improved lamp.
- Figs. 2 and 3 are similar sections of modifications of the same; and
- Fig. 4 represents another modification.
- the globe A which, in the present case, is the usual pear-shaped form,is furnished with a conical or flaring neck 13.
- a stopper 0 is fitted to the narrower portion of the neck B, and in the said stopper, at a suitable distance apart, are inserted the leading wires a, b, which support the carbon filament c.
- leading wires a, b in two of the forms of my invention, may be of any suitable conducting material, such as copper, iron, or brass, as in a lamp of this construction it is not necessary to provide leading wires having the same co-efficient of expansion as glass, inasmuch as they are held in the position of use by elastic supports, and hermetically sealed by the said supports and by a plastic cement, as hereinafter described.
- the stopper 0 is made of any yielding or flexible insulating material, preferably of rubher, and previous to its insertion in the neck of the lamp globe, it is coated with impervious cement to seal within it any gases or vapors that mightbe injurious to the leading Wires or filament.
- the said stopper adapts itself to any inequalities of the inner surface of the conical neck B, practically making an airtight joint.
- a body D of plastic cement capable of attaching itself to the stopper 0 and to the walls of the neck B, and of rendering the joint between the stopper and the neck and between the leading wires and the stopper, airtight.
- the lamp as thus far described and illustrated in Fig.2 may be used without further additions, but I prefer to protect the cement B by means of an additional stopper E, of soft rubber or analogous material fitted to the mouth of the neck B of thelamp and pressed down upon the cement D.
- the said stopper E is furnished with a flange d, on the under side of which is formed an annular groove which receives the edge of the neck of the lamp.
- the said stopper E not only protects the cement, but also furnishes an additional support for the leading wires a, b,protects the neck of the glass globe, and acts as an adapter for fitting the lamp to its socket.
- leading wires a, b, the stoppers G, E, and the cement D may be readily removed from the neck of the globe and replaced by new leading wires and carbon filament, the stoppers and cement restored and the globe again exhausted and re-sealed.
- the cement I prefer to use in the construction of my improved lamp consists of a solution of pure asphaltum in a suitable solvent such as turpentine, but I do not confine myself to this particular cement, as any insulating cement which attaches itself to the glass, the conducting wires, and the stopper, and makes them air-tight may be used, such as a solution of gutta percha or of rubber.
- the chief advantage of my lamp over all others is, its cheapness.
- the stopper closing the neck of the bulb can be put in place by unskilled labor and without the use of heat; when the carbon filament is destroyed the stopper can be removed,another filament put in place and the stopper used again; leadingin-wires need not be sealed in glass, wires whose co-efficient of expansion is the same as glass need not be employed: its cheapest form of glass bulb, z. 6., bulbs whose necks do not have to be ground or accurately constructed to a given model, can be used, as the elastic 3o Having thus described my invention, I 0
- the elastic stopper tightly closes 35
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Description
(No Model.)
W. B. FOREST. INGANDESGENT ELECTRIC LAMP.
No. 523,204. Patented July 17, 1894.
//v VENTOI? A fro/7N5 rs.
WITNESSES UNITED [STATES PATENT OFFICE.
WILLIAM E. FOREST, OF NEW YORK, N. Y., ASSIGNOR TO THE LIVGRO INCANDESOENT LAMP COMPANY, OF NEW JERSEY.
INCANDESGENT ELECTRIC LAM P.
SPECIFICATION forming part of Letters Patent No. 523,204, dated July 1'7, 1894.
\ Application filed August 1, 1893- Serial No. &82| (N0 11105813 To all whom it may concern:
Be it known that I, WILLIAM E. FOREST, of the city, county, and State of New York, have invented a new and Improved Incandescent Electric Lamp, of which the followingisafull, clear, and exact description.
My invention consists in a lamp formed of a glass globe having a neck adapted for receiving a stopper, a compound stopper formed of two or more elements and inserted in the neck of the globe, one element of the stopper being for tightly closing the neck and supporting the leading wires, another for hermetically sealing the stopper and the wires, and where a third element is used it is added for the purpose of giving increased stability to the leading wires, for protecting the sealing material and for forming a head for holding the lamp in its socket and for protecting the lamp from breakage; the head acting as a buffer between the glass bulb and socket, and a filament and leading wires, all as hereinafter more fully described.
Reference is to behad to the accompanying drawings, forming a part of this specification,
in which similar letters of reference indicate corresponding parts in all the figures.
Figure l is a vertical transverse section of my improved lamp. Figs. 2 and 3 are similar sections of modifications of the same; and Fig. 4 represents another modification.
The globe A which, in the present case, is the usual pear-shaped form,is furnished with a conical or flaring neck 13. In the form shown in Fig. 1, a stopper 0 is fitted to the narrower portion of the neck B, and in the said stopper, at a suitable distance apart, are inserted the leading wires a, b, which support the carbon filament c. The leading wires a, b, in two of the forms of my invention, may be of any suitable conducting material, such as copper, iron, or brass, as in a lamp of this construction it is not necessary to provide leading wires having the same co-efficient of expansion as glass, inasmuch as they are held in the position of use by elastic supports, and hermetically sealed by the said supports and by a plastic cement, as hereinafter described.
The stopper 0 is made of any yielding or flexible insulating material, preferably of rubher, and previous to its insertion in the neck of the lamp globe, it is coated with impervious cement to seal within it any gases or vapors that mightbe injurious to the leading Wires or filament. The said stopper adapts itself to any inequalities of the inner surface of the conical neck B, practically making an airtight joint. In the neck B and upon the outer surface of the stopper 0 is placed a body D of plastic cement, capable of attaching itself to the stopper 0 and to the walls of the neck B, and of rendering the joint between the stopper and the neck and between the leading wires and the stopper, airtight.
The lamp as thus far described and illustrated in Fig.2, may be used without further additions, but I prefer to protect the cement B by means of an additional stopper E, of soft rubber or analogous material fitted to the mouth of the neck B of thelamp and pressed down upon the cement D. The said stopper E is furnished with a flange d, on the under side of which is formed an annular groove which receives the edge of the neck of the lamp. The said stopper E not only protects the cement, but also furnishes an additional support for the leading wires a, b,protects the neck of the glass globe, and acts as an adapter for fitting the lamp to its socket.
In the modification shown in Fig. 3; instead of running theleading wires through the stoppers O, E, I seal them in a glass tube F and insert the said glass tube in the stoppers O, E, and cement it hermetically with the body I) of plastic cement. The wires a, b, are prevented from coming into contact with each other in the tube F by a cork e inserted in the mouth of the tube F between the said leading Wires a, b. In this case it is important that the position of the leading wires sealed in the glass should have the same co-efficient of expansion as glass. Thelamp as thus constructed is exhausted from the end of the globe and scaled up at f in the usual Way. Should the vacuum fail or should the carbon burn out and the lamp become inoperative, the leading wires a, b, the stoppers G, E, and the cement D, may be readily removed from the neck of the globe and replaced by new leading wires and carbon filament, the stoppers and cement restored and the globe again exhausted and re-sealed.
The cement I prefer to use in the construction of my improved lamp, consists of a solution of pure asphaltum in a suitable solvent such as turpentine, but I do not confine myself to this particular cement, as any insulating cement which attaches itself to the glass, the conducting wires, and the stopper, and makes them air-tight may be used, such as a solution of gutta percha or of rubber.
It is obvious that I may construct a lamp having a globe furnished with a cylindrical neck provided with a'fillet for retaining the stopper and preventing it from being forced inwardly by atmospheric pressure, as shown in Fig. 4:, therefore I do not limit or confine myself to the construction herein shown and described.
The chief advantage of my lamp over all others is, its cheapness. The stopper closing the neck of the bulb can be put in place by unskilled labor and without the use of heat; when the carbon filament is destroyed the stopper can be removed,another filament put in place and the stopper used again; leadingin-wires need not be sealed in glass, wires whose co-efficient of expansion is the same as glass need not be employed: its cheapest form of glass bulb, z. 6., bulbs whose necks do not have to be ground or accurately constructed to a given model, can be used, as the elastic 3o Having thus described my invention, I 0
claim as new and desire to secure by Letters Patent In an incandescent lamp, the combination of the globe A provided with the conical neck B, the perforated stopper 0 fitted to the nar- 5 rower portion of the conical neck, a perforated stopper E fitted to the wider portion of the conical neck, the glass tube F provided with leadingin wires CL, Z), inserted in the stoppers E, O, and a body,D of plastic cement sur- 5o rounding the glass tube F and filling the space between the glass tube, the inner wall of the conical neck 13, and the adjacent surfaces of the conical neck, substantially as specified.
WILLIAM E. FORES'I. \Vitnesses:
E. M. CLARK, GEO. M. HorKrNs.
The elastic stopper tightly closes 35
Publications (1)
Publication Number | Publication Date |
---|---|
US523204A true US523204A (en) | 1894-07-17 |
Family
ID=2591999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US523204D Expired - Lifetime US523204A (en) | Incandescent electric lamp |
Country Status (1)
Country | Link |
---|---|
US (1) | US523204A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2970182A (en) * | 1956-12-04 | 1961-01-31 | Miquelis Hermes | Casing for electronic or like parts |
US4445016A (en) * | 1981-02-26 | 1984-04-24 | Siemens Aktiengesellschaft | Vacuum switching tube with metal cap |
-
0
- US US523204D patent/US523204A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2970182A (en) * | 1956-12-04 | 1961-01-31 | Miquelis Hermes | Casing for electronic or like parts |
US4445016A (en) * | 1981-02-26 | 1984-04-24 | Siemens Aktiengesellschaft | Vacuum switching tube with metal cap |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2347055A (en) | Electric lamp | |
US523204A (en) | Incandescent electric lamp | |
US503108A (en) | Incandescent electric lamp | |
US263878A (en) | Thomas a | |
US584750A (en) | Incandescent electric lamp | |
US382110A (en) | Protector for electric-lamp sockets | |
US303202A (en) | Incandescent electric lamp | |
US263801A (en) | Joseph v | |
US517432A (en) | Incandescent lamp | |
US541929A (en) | Incandescent electric lamp | |
US466562A (en) | Incandescent lamp | |
US605498A (en) | Incandescent electric lamp | |
US530895A (en) | Incandescent electric lamp | |
US1517047A (en) | Vacuum-jacketed vessel | |
US239373A (en) | Thomas a | |
US251543A (en) | Thomas a | |
US501531A (en) | Incandescent electric lamp | |
US737575A (en) | Electric incandescent lamp. | |
US871772A (en) | Sealing for electric apparatus. | |
US1262141A (en) | Electric incandescent lamp. | |
US1155963A (en) | Electric lamp. | |
US794588A (en) | Method of manufacturing incandescent electric lamps. | |
GB191200874A (en) | Improvements in the Manufacture of Electric Incandescent Lamps. | |
US263011A (en) | Electric lamp | |
US532760A (en) | Incandescent lamp |