GB2191337B - A process for sealing the ceramic envelope of a high pressure discharge lamp, especially a sodium lamp, and a lamp made by this process - Google Patents

A process for sealing the ceramic envelope of a high pressure discharge lamp, especially a sodium lamp, and a lamp made by this process

Info

Publication number
GB2191337B
GB2191337B GB8708894A GB8708894A GB2191337B GB 2191337 B GB2191337 B GB 2191337B GB 8708894 A GB8708894 A GB 8708894A GB 8708894 A GB8708894 A GB 8708894A GB 2191337 B GB2191337 B GB 2191337B
Authority
GB
United Kingdom
Prior art keywords
lamp
sealing
high pressure
pressure discharge
ceramic envelope
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 - Fee Related
Application number
GB8708894A
Other versions
GB8708894D0 (en
GB2191337A (en
Inventor
Miklos Csapody
Ferenc Nagel
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.)
Tungsram Rt
Original Assignee
Tungsram Rt
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 Tungsram Rt filed Critical Tungsram Rt
Publication of GB8708894D0 publication Critical patent/GB8708894D0/en
Publication of GB2191337A publication Critical patent/GB2191337A/en
Application granted granted Critical
Publication of GB2191337B publication Critical patent/GB2191337B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H01J61/361—Seals between parts of vessel
    • H01J61/363—End-disc seals or plug seals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB8708894A 1986-04-29 1987-04-14 A process for sealing the ceramic envelope of a high pressure discharge lamp, especially a sodium lamp, and a lamp made by this process Expired - Fee Related GB2191337B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU176786A HU195029B (en) 1986-04-29 1986-04-29 Method for sealing ceramic cap of a high-pressure discharge lamp, preferably sodium discharge lamp and the lamp made by said method

Publications (3)

Publication Number Publication Date
GB8708894D0 GB8708894D0 (en) 1987-05-20
GB2191337A GB2191337A (en) 1987-12-09
GB2191337B true GB2191337B (en) 1990-09-05

Family

ID=10956089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8708894A Expired - Fee Related GB2191337B (en) 1986-04-29 1987-04-14 A process for sealing the ceramic envelope of a high pressure discharge lamp, especially a sodium lamp, and a lamp made by this process

Country Status (7)

Country Link
JP (1) JPS62283529A (en)
BE (1) BE1001637A4 (en)
DE (2) DE3713371A1 (en)
GB (1) GB2191337B (en)
HU (1) HU195029B (en)
NL (1) NL8700905A (en)
SU (1) SU1590052A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8809577D0 (en) * 1988-04-22 1988-05-25 Emi Plc Thorn Discharge arc lamp
US7414366B2 (en) * 2005-06-20 2008-08-19 Osram Sylvania Inc. Single-ended discharge vessel with diverging electrodes
DE102015212930B4 (en) * 2015-07-10 2019-05-23 Heraeus Deutschland GmbH & Co. KG Method for producing superconducting sealing rings

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE709201C (en) * 1936-12-01 1941-08-09 Telefunken Gmbh Process for fusing the glass parts closing the vacuum vessel of a discharge tube
DE905650C (en) * 1938-03-26 1954-03-04 Aeg Process for making vacuum-tight connections
DE1032413B (en) * 1939-09-01 1958-06-19 Loewe Opta Ag Method for cementing together the upper and lower parts of the two-part housing of electron tubes
DE1026003B (en) * 1952-08-30 1958-03-13 Csf Process for the production of airtight vessels for electron tubes or the like.
DE1114257B (en) * 1959-02-13 1961-09-28 Standard Elektrik Lorenz Ag Process for the production of stack tubes
US3243635A (en) * 1962-12-27 1966-03-29 Gen Electric Ceramic lamp construction
GB1051008A (en) * 1964-08-10 1966-12-14
US3746907A (en) * 1971-09-08 1973-07-17 Westinghouse Electric Corp End cap configuration for ceramic discharge lamp
HU174714B (en) * 1977-01-06 1980-03-28 Egyesuelt Izzolampa Electric discharge tube
DE2713702B2 (en) * 1977-03-28 1979-10-31 Heimann Gmbh, 6200 Wiesbaden Gas discharge lamp
US4464603A (en) * 1982-07-26 1984-08-07 General Electric Company Ceramic seal for high pressure sodium vapor lamps
JPS60127634A (en) * 1983-12-12 1985-07-08 Toshiba Corp Production of metal vapor discharge lamp luminous tube

Also Published As

Publication number Publication date
GB8708894D0 (en) 1987-05-20
SU1590052A3 (en) 1990-08-30
GB2191337A (en) 1987-12-09
DE3713371A1 (en) 1987-11-05
DE3714350A1 (en) 1987-11-26
NL8700905A (en) 1987-11-16
JPS62283529A (en) 1987-12-09
HUT43764A (en) 1987-11-30
HU195029B (en) 1988-03-28
BE1001637A4 (en) 1990-01-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940414