GB1230955A - - Google Patents

Info

Publication number
GB1230955A
GB1230955A GB1452569A GB1230955DA GB1230955A GB 1230955 A GB1230955 A GB 1230955A GB 1452569 A GB1452569 A GB 1452569A GB 1230955D A GB1230955D A GB 1230955DA GB 1230955 A GB1230955 A GB 1230955A
Authority
GB
United Kingdom
Prior art keywords
tubular portion
tubular
washer
stem
shell
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
GB1452569A
Other languages
English (en)
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 filed Critical
Publication of GB1230955A publication Critical patent/GB1230955A/en
Expired 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
    • H01J61/84—Lamps with discharge constricted by high pressure
    • H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1452569A 1969-03-19 1969-03-19 Expired GB1230955A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1452569 1969-03-19

Publications (1)

Publication Number Publication Date
GB1230955A true GB1230955A (de) 1971-05-05

Family

ID=10042777

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1452569A Expired GB1230955A (de) 1969-03-19 1969-03-19

Country Status (4)

Country Link
US (1) US3660711A (de)
DE (1) DE7009862U (de)
GB (1) GB1230955A (de)
NL (1) NL156861B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0479089A1 (de) * 1990-10-02 1992-04-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe und Verfahren zur Herstellung der Lampe

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2209848A1 (de) * 1972-03-01 1973-09-06 Patra Patent Treuhand Vakuumdichter verschluss bei metalldampfhochdruckentladungslampen
US5879159A (en) * 1996-12-24 1999-03-09 Ion Laser Technology, Inc. Portable high power arc lamp system and applications therefor
JP3591439B2 (ja) * 2000-09-21 2004-11-17 ウシオ電機株式会社 ショートアーク放電ランプ
DE102005046483A1 (de) * 2005-09-28 2007-03-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Entladungslampe
DE102009019526A1 (de) 2009-04-30 2010-11-04 Osram Gesellschaft mit beschränkter Haftung Entladungslampe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965790A (en) * 1949-08-20 1960-12-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh High pressure gas lamp
US2781470A (en) * 1955-10-21 1957-02-12 Bellott Emile Melvin Electrical connection means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0479089A1 (de) * 1990-10-02 1992-04-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe und Verfahren zur Herstellung der Lampe
US5304892A (en) * 1990-10-02 1994-04-19 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Double-ended high-pressure discharge lamp

Also Published As

Publication number Publication date
NL156861B (nl) 1978-05-16
DE7009862U (de) 1970-06-25
NL7003878A (de) 1970-09-22
US3660711A (en) 1972-05-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee