US2084192A - Incandescent lamp and similar device - Google Patents

Incandescent lamp and similar device Download PDF

Info

Publication number
US2084192A
US2084192A US669189A US66918933A US2084192A US 2084192 A US2084192 A US 2084192A US 669189 A US669189 A US 669189A US 66918933 A US66918933 A US 66918933A US 2084192 A US2084192 A US 2084192A
Authority
US
United States
Prior art keywords
disk
bulb
lamp
shell
base
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
Application number
US669189A
Other languages
English (en)
Inventor
Paul O Cartun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to NL40847D priority Critical patent/NL40847C/xx
Priority to BE402949D priority patent/BE402949A/xx
Application filed by General Electric Co filed Critical General Electric Co
Priority to US669189A priority patent/US2084192A/en
Priority to DEP68969D priority patent/DE627961C/de
Priority to GB13285/34A priority patent/GB433233A/en
Priority to FR772763D priority patent/FR772763A/fr
Priority to US116583A priority patent/US2105404A/en
Application granted granted Critical
Publication of US2084192A publication Critical patent/US2084192A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B33/00—Drivers; Driving centres, Nose clutches, e.g. lathe dogs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C275/70—Compounds containing any of the groups, e.g. isoureas
    • 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
    • H01J5/32—Seals for leading-in conductors
    • H01J5/40—End-disc seals, e.g. flat header
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0034—Lamp bases
    • H01J2893/0035—Lamp bases shaped as flat plates, in particular metallic

Definitions

  • the unitary base structure not only serves as a means for mounting the lamp, but also includes terminals or contacts connected to conductors leading into the bulb through the glass to the translation element inside.
  • the bulb neck or end is sealed to an end member on which the internal mount of the lamp is mounted independently of the attachment of the bulb.
  • This member or disk is provided with engagement means for mounting the lamp: e. g., the member may form part of a base or terminal device more or less resembling those heretofore used; or such a base may be attached to the member, or united directly thereto; or the disk member itself may be engaged by the securing means of the lamp support. In this way, the member or disk becomes an integral part of the lamp-even, in-
  • FIG. 1 is a perspective view of an illustrative lamp embodying my invention
  • Fig. 2 is a vertical section through a portion thereof
  • FIG. 3 is a similar section illustrating another species
  • Fig. 4 is a perspective view of another species of lamp
  • Fig. 5 is a perspective view partly sectioned of a mounting for the lamp shown in Fig. 4
  • Fig. 6 is a view similar to Fig. 4 of still another species of lamp
  • Fig. 7 is a view similar to Fig. 5 of another species of mounting.
  • wires I2 and I3 connected between wires I2 and I3 attached to its ends, and additionally supported, at intermediate points, by wires I4 whose ends are fused into a glass bead I5, itself fused to the wire I3.
  • a brace wire I6 fused into the bead I5 at one end is welded at its other end to the wire I2.
  • the wires I2, I3 not only support the filament II), but also serve as its current leads.
  • the mount comprising the filament I 0 and its supporting means just described, is attached directly to a sheet metal diaphragm or disk I1 forming part of (or attached to) a base I 8, and extending across the interior of the base shell I9 at its upper end.
  • the base I8 shown of an Edison or screw type, has a screwthreaded shell I9, serving as one base contact, and has another base contact 20 exposed at its lower end, but insulated from the shell I9.
  • the lower end or neck of the bulb II is sealed directly to the diaphragm or disk I'I.
  • the base I8 proper (exclusive of the disk I'I) may be the standard Edison base now in general use, consisting of brass screw shell I9 with apertured brass center contact 20 held in place by glass 2
  • the upper end of the shell I9 engages around an outstanding peripheral lip 22 on the circular disk I1, and is attached thereto (by Welding).
  • the disk Il may be separate from the base I8 proper when thebulb I I is sealed to the disk, and the base shell I 9 may afterward be aflixed around the disk. By doing this with the upper edge of the shell I9 flush with that of the disk lip 22, it is easy to locate the base I8 accurately with reference to the filament ID.
  • the bulb II is preferably made of soft glass, and the diaphragm or disk I I of a metal or alloy (such as an iron alloy containing about 25% of chromium) which has the same thermal co efiicient of expansion as glass, and to which glass is readily scalable.
  • the end of the bulb ll may be pressed while hot against the heated disk l1 and thereby also sealed to the inner surface of the lip 22.
  • the lip 22 affords additional adhesion area, but is preferably of such small height (e. g., of a magnitude comparable to the thickness of the glass) that it could not shade or cut oil useful light from the filament Ill.
  • the wire i2 may be attached by welding it to the disk, and the wire l3 may extend through an opening 23 in the disk, and be embedded and secured in a fused body of glass 24 which closes and seals the opening.
  • the seal 24 may be formed from the residue of a. glass exhaust tube (not shown) sealed to the disk at the opening 23, and sealed ofi (after use) around the wire [3. This may all be done before the base I8 proper is ailixed to the disk H.
  • the portion of the wire 13 embedded in the glass 24 is preferably made of material similar to the disk IT, or such as heretofore used for incandescent lamp leads sealed in glass.
  • the base 25 includes a brass screw shell l9 like that of a standard Edison screw base, and the apertured diaphragm or disk 26 extends across its lower end, being attached (by welding) to the inturned bottom shell flange. Accordingly, the shell l9 surrounds the end or neck of the bulb H. The end of wire I 3 is exposed beyond the seal 24 to serve as a center contact.
  • the disk 26 is shown slightly smaller than the interior of the shell l9, and without any peripheral lip.
  • the shell I9 may be attached to the disk 26 after the latter has been scaled to the bulb l l and the lamp exhausted and sealed at 24, as described above; or, if preferred, the disk 26 may first be attached (welded) to the shell l9 so as to form part thereof, and this composite base shell may afterward be applied and sealed to the bulb neck, and the lamp subsequently exhausted and sealed at 2
  • the shell l9 and disk 26 of Fig. 3 might be made as one complete bottom shell of the material hereinbefore indicated for the disks l1 and 26.
  • the lamp shown in Fig. 4 comprises a glass bulb or envelope 21 abutting endwise and sealed against an apertured sheet metal disk 28 which itself forms the terminal device or base of the lamp.
  • This disk 28 has securing wings, ears, or blades 29 formed by integral extensions of the shell metal from the generally circular disk periphery, for engaging suitable mounting means.
  • the internal lamp mount is attached to the disk 26 as in Fig. 3; i. e., the wire 30 is welded to the disk, one of whose wings 29 serves as a base contact, and the wire 3
  • the disk 28 may be of the ironchromium alloy hereinbefore mentioned.
  • Fig. shows a mounting device for the lamp of Fig. 4, comprising an insulative base plate 34 with a central socket hole 35 for the base spur 32, spring contact clips 36 for receiving and gripping the disk wings 29, and a spring finger 31 for abutting against the center contact 33.
  • Current supply conductors are connected to one (at least) of the clips 36 and to the finger 31.
  • To mount the lamp in this device its bottom spur 32 is inserted or pressed home in the hole 35 with the wings 29 intermediate the clips 36, and the lamp is then turned clockwise about the spur 32 as a pivot sufiiciently to force the wings 29 into the clips. which yield resiliently to receive and grip the wings.
  • the wings or blades 29 underlock with the upper portions of the clips 36.
  • Fig. 6 shows a lamp similar to that of Fig. 4, but with a larger iron-chromium sheet metal disk 40, having its integral peripheral wings or blades 4
  • Fig. 7 shows another mounting device, with (three) upstanding inward-shouldered spring contact clips 42 amongst which the disks 29 or 40 of Figs. 4 and 6 may be inserted and peripherally engaged. Otherwise, this device is like that of Fig. 5. With this Fig. 7 device. the wings 29 of Fig. 4 would be superfluous, and the wings ll of Fig. 6 would act as mere spacers to augment the effective thickness of the disk with reference to its edge engagement under the clip shoulders.
  • the iron chromium alloy which I prefer is one marketed by the Allegheny Steel Company as "Allegheny 55, of which the following is a typical percentage-byweight analysis:
  • An electric device comprising a glass bulb or envelope having an opening therein, a base comprising a disk of metal having substantially the same coefiicient of expansion as said glass bulb sealed by fusion directly to the edges of said bulb opening and forming with said bulb a hermetically sealed enclosure, said disk being provided with socket engagement means at its periphery, a filament in said bulb, a pair of leads secured one to each end of said filament, an end of one of said leads being attached to said disk and electrically connected through said disk to said socket engagement means, and the other lead extending through an aperture in said disk, said aperture being sealed by a body of insulating material surrounding said lead.
  • An incandescent electric lamp comprising a glass bulb or envelope having an opening therein, a disk of metal having substantially the same coefficient of expansion as said glass bulb sealed by fusion directly to the edges of said bulb opening and forming with said bulb a hermetically sealed enclosure, a base comprising a metal shell adapted to engage in a socket and secured at one end to said disk and carrying an end contact at its other end insulated from said shell, a filament in said bulb, a pair of leads secured one to each end of said filament, an end of one of said leads being attached to said disk and electrically connected through said disk to said shell, the other lead extending through an aperture in said disk and being electrically connected to said end contact, said aperture in said disk being sealed by a body of insulating material surrounding said lead.
  • Anincandescent electric lamp comprising a glass bulb or envelope having an opening at its 5 end, a disk of metal having substantially the same coefficient of expansion as said glass bulb sealed by fusion directly to the edges of said bulb opening and forming with said bulb a hermetically sealed enclosure, a metal base shell adapted 10 to engage in a socket and surrounding the said end of said bulb and secured at one end to said disk, a filament in said bulb, a pair of leads secured one to each end of said filament, an end of one of said leads being attached to said disk 15 and electrically connected through said disk to said shell, the other lead extending through an aperture in said disk and being exposed at the outer side thereof to serve as an end contact, said aperture in said disk being sealed by a body of insulating material surrounding said lead.
  • An electric device comprising a glass bulb having an opening therein, a base including a metal shell and a disk of metal readily sealable to glass attached to said shell, said disk being sealed directly to the edges of said bulb opening and forming with said bulb a hermetically sealed enclosure, and an energy translation element in said bulb with supporting means therefor at-' tached to said disk independently of said bulb.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
US669189A 1933-05-03 1933-05-03 Incandescent lamp and similar device Expired - Lifetime US2084192A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL40847D NL40847C (fr) 1933-05-03
BE402949D BE402949A (fr) 1933-05-03
US669189A US2084192A (en) 1933-05-03 1933-05-03 Incandescent lamp and similar device
DEP68969D DE627961C (de) 1933-05-03 1934-02-17 Elektrische Gluehlampe mit am Gefaesshals angeschmolzenem Sockel, an welchem zwei Stromzufuehrungsdraehte isoliert voneinander befestigt sind, von denen der eine in einem Glasroehrchen luftdicht gefasst ist
GB13285/34A GB433233A (en) 1933-05-03 1934-05-02 Improvements in and relating to electric lamps
FR772763D FR772763A (fr) 1933-05-03 1934-05-02 Lampes à incandescence
US116583A US2105404A (en) 1933-05-03 1936-12-18 Incandescent lamp and similar device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US669189A US2084192A (en) 1933-05-03 1933-05-03 Incandescent lamp and similar device

Publications (1)

Publication Number Publication Date
US2084192A true US2084192A (en) 1937-06-15

Family

ID=24685427

Family Applications (1)

Application Number Title Priority Date Filing Date
US669189A Expired - Lifetime US2084192A (en) 1933-05-03 1933-05-03 Incandescent lamp and similar device

Country Status (2)

Country Link
US (1) US2084192A (fr)
FR (1) FR772763A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810283A (en) * 1954-02-10 1957-10-22 Sylvania Electric Prod Photoflash lamp
US3243634A (en) * 1963-04-22 1966-03-29 Gen Electric Electric lamp and support web
US4122367A (en) * 1976-02-12 1978-10-24 U.S. Philips Corporation Electric incandescent lamp having a centering ring

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810283A (en) * 1954-02-10 1957-10-22 Sylvania Electric Prod Photoflash lamp
US3243634A (en) * 1963-04-22 1966-03-29 Gen Electric Electric lamp and support web
US4122367A (en) * 1976-02-12 1978-10-24 U.S. Philips Corporation Electric incandescent lamp having a centering ring

Also Published As

Publication number Publication date
FR772763A (fr) 1934-11-06

Similar Documents

Publication Publication Date Title
US2125316A (en) Method of forming glass to metal seals
US2254727A (en) Discharge device
US2322421A (en) Electric discharge lamp
US4012658A (en) Electric lamps mounted in a flanged cap
US2084192A (en) Incandescent lamp and similar device
US3960278A (en) Lamp cap assembly
US2190528A (en) Electric projection device
US2323148A (en) Electrical contact assembly for use in electron discharge devices
US2465084A (en) Incandescent lamp and method of manufacture
US2074864A (en) Electron discharge device
US2105404A (en) Incandescent lamp and similar device
EP0179524A1 (fr) Lampe électrique à culot
US2334631A (en) Base structure for electrical devices
US1988290A (en) Incandescent lamp and similar device
US2106394A (en) Metal tube lead-in bushing
US2098080A (en) Incandescent lamp and the like
US3785020A (en) Method of basing electrical devices
US2032791A (en) Tubular and other incandescent lamps and their manufacture
US2154550A (en) Electric lamp or similar device
US2415867A (en) Lamp base
US2270337A (en) Electrical contact assembly
US1987427A (en) Electric lamp
US2473860A (en) Internal exhaust seal for electric lamps and similar devices
US2131923A (en) Electron tube
US2245782A (en) Metallic bulb lamp