IT977810B - HIGH PRESSURE DISCHARGE LAMP - Google Patents

HIGH PRESSURE DISCHARGE LAMP

Info

Publication number
IT977810B
IT977810B IT67378/73A IT6737873A IT977810B IT 977810 B IT977810 B IT 977810B IT 67378/73 A IT67378/73 A IT 67378/73A IT 6737873 A IT6737873 A IT 6737873A IT 977810 B IT977810 B IT 977810B
Authority
IT
Italy
Prior art keywords
high pressure
discharge lamp
pressure discharge
lamp
pressure
Prior art date
Application number
IT67378/73A
Other languages
Italian (it)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of IT977810B publication Critical patent/IT977810B/en

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
    • H01J61/366—Seals for leading-in conductors
    • 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
IT67378/73A 1972-02-21 1973-02-16 HIGH PRESSURE DISCHARGE LAMP IT977810B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7202269,A NL170574C (en) 1972-02-21 1972-02-21 HIGH PRESSURE DISCHARGE LAMP.

Publications (1)

Publication Number Publication Date
IT977810B true IT977810B (en) 1974-09-20

Family

ID=19815430

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67378/73A IT977810B (en) 1972-02-21 1973-02-16 HIGH PRESSURE DISCHARGE LAMP

Country Status (12)

Country Link
US (1) US3885184A (en)
JP (1) JPS5629335B2 (en)
AT (1) AT327320B (en)
BE (1) BE795679A (en)
CA (1) CA963075A (en)
DE (1) DE2307189C3 (en)
ES (1) ES411788A1 (en)
FR (1) FR2173091B1 (en)
GB (1) GB1361773A (en)
IT (1) IT977810B (en)
NL (1) NL170574C (en)
SE (1) SE377224B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU179748B (en) * 1974-01-15 1982-12-28 Ferenc Puskas Cathode of a metal ceramic sintered body produced by dust metalurgy for closing discharge tube of sodium vapour lamp and process for the production thereof
US3996487A (en) * 1975-05-14 1976-12-07 Westinghouse Electric Corporation Ceramic discharge lamp with reduced heat drain
NZ182774A (en) * 1975-12-09 1979-06-19 Thorn Electrical Ind Ltd Electrically conducting cermet
GB1571084A (en) * 1975-12-09 1980-07-09 Thorn Electrical Ind Ltd Electric lamps and components and materials therefor
US4155757A (en) * 1976-03-09 1979-05-22 Thorn Electrical Industries Limited Electric lamps and components and materials therefor
DE3063533D1 (en) * 1979-11-12 1983-07-07 Emi Plc Thorn An electrically conducting cermet, its production and use
US4599543A (en) * 1983-10-14 1986-07-08 General Electric Company Time fuse for high pressure sodium lamps
JPS6161338A (en) * 1984-08-31 1986-03-29 Ngk Insulators Ltd Manufacturing method of light emitted tube for high pressure metallic vapor electric-discharge lamp
GB8519582D0 (en) * 1985-08-03 1985-09-11 Emi Plc Thorn Discharge lamps
US5404078A (en) * 1991-08-20 1995-04-04 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh High-pressure discharge lamp and method of manufacture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880369A (en) * 1957-07-10 1959-03-31 Engelhard Ind Inc High pressure vapor arc lamp
US3480823A (en) * 1966-08-12 1969-11-25 Westinghouse Electric Corp Sealed discharge device
US3742283A (en) * 1971-10-28 1973-06-26 Gte Sylvania Inc Press seal for lamp having fused silica envelope

Also Published As

Publication number Publication date
CA963075A (en) 1975-02-18
US3885184A (en) 1975-05-20
ATA144573A (en) 1975-04-15
DE2307189A1 (en) 1973-08-30
GB1361773A (en) 1974-07-30
FR2173091A1 (en) 1973-10-05
JPS5629335B2 (en) 1981-07-08
NL170574C (en) 1982-11-16
NL7202269A (en) 1973-08-23
BE795679A (en) 1973-08-20
ES411788A1 (en) 1976-01-01
JPS4897383A (en) 1973-12-12
AU5224073A (en) 1974-08-22
AT327320B (en) 1976-01-26
SE377224B (en) 1975-06-23
FR2173091B1 (en) 1977-12-23
DE2307189C3 (en) 1981-12-17
DE2307189B2 (en) 1981-04-02
NL170574B (en) 1982-06-16

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