GB528291A - Improvements in the manufacture of electric lamps or discharge devices having vitreous foot-tubes closing vitreous envelopes - Google Patents

Improvements in the manufacture of electric lamps or discharge devices having vitreous foot-tubes closing vitreous envelopes

Info

Publication number
GB528291A
GB528291A GB13215/39A GB1321539A GB528291A GB 528291 A GB528291 A GB 528291A GB 13215/39 A GB13215/39 A GB 13215/39A GB 1321539 A GB1321539 A GB 1321539A GB 528291 A GB528291 A GB 528291A
Authority
GB
United Kingdom
Prior art keywords
vitreous
foot
manufacture
discharge devices
envelopes
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
Application number
GB13215/39A
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 PLC
Original Assignee
General Electric Co PLC
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
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB528291A publication Critical patent/GB528291A/en
Expired legal-status Critical Current

Links

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
    • H01J5/24—Vacuum-tight joints between parts of vessel between insulating parts of vessel
    • 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
    • H01J2893/0037—Solid sealing members other than lamp bases
    • H01J2893/0038—Direct connection between two insulating elements, in particular via glass material
    • H01J2893/0039—Glass-to-glass connection, e.g. by soldering

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

528,291. Welding glass. GENERAL ELECTRIC CO., Ltd. May 3, 1939, No. 13215. Convention date, Nov. 3, 1938. [Class 56] [Also in Group XL] The post tube of an electric discharge lamp is sealed to the tube 1 by placing the flange 7 on a disc 12 of carbon which is heated by an electric heater 15 embedded in a ceramic body. A weight 13 gives the requisite pressure on the seal. Specification 521,918 is referred to.
GB13215/39A 1938-11-03 1939-05-03 Improvements in the manufacture of electric lamps or discharge devices having vitreous foot-tubes closing vitreous envelopes Expired GB528291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE528291X 1938-11-03

Publications (1)

Publication Number Publication Date
GB528291A true GB528291A (en) 1940-10-25

Family

ID=6553628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13215/39A Expired GB528291A (en) 1938-11-03 1939-05-03 Improvements in the manufacture of electric lamps or discharge devices having vitreous foot-tubes closing vitreous envelopes

Country Status (1)

Country Link
GB (1) GB528291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110320A2 (en) * 2006-03-28 2007-10-04 Osram Gesellschaft mit beschränkter Haftung Electric lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007110320A2 (en) * 2006-03-28 2007-10-04 Osram Gesellschaft mit beschränkter Haftung Electric lamp
WO2007110320A3 (en) * 2006-03-28 2007-11-22 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp

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