FR2380634A1 - HIGH PRESSURE ARC LAMP WITH COMPRESSIVE CERAMIC-METAL SEALS - Google Patents

HIGH PRESSURE ARC LAMP WITH COMPRESSIVE CERAMIC-METAL SEALS

Info

Publication number
FR2380634A1
FR2380634A1 FR7803392A FR7803392A FR2380634A1 FR 2380634 A1 FR2380634 A1 FR 2380634A1 FR 7803392 A FR7803392 A FR 7803392A FR 7803392 A FR7803392 A FR 7803392A FR 2380634 A1 FR2380634 A1 FR 2380634A1
Authority
FR
France
Prior art keywords
ceramic
compressive
high pressure
arc lamp
pressure arc
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.)
Withdrawn
Application number
FR7803392A
Other languages
French (fr)
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.)
Varian Medical Systems Inc
Original Assignee
Varian Associates Inc
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 Varian Associates Inc filed Critical Varian Associates Inc
Publication of FR2380634A1 publication Critical patent/FR2380634A1/en
Withdrawn legal-status Critical Current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
    • H01J61/98—Lamps with closely spaced electrodes heated to incandescence by light-emitting discharge, e.g. tungsten arc lamp

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

a. Lampe à arc à haute pression à joints céramique-métal compressifs. b. Elle comprend une enveloppe constituée par une première et une seconde parties métalliques, un anneau de céramique et des moyens de scellage. Elle est caractérisée en ce que la première partie métallique présente une collerette saillant intérieurement et la seconde partie une collerette saillant extérieurement, les deux saillies etant suffisantes pour se recouvrir radialement et définir une région annulaire commune dans laquelle l'anneau de céramique est placé, les moyens de scellage scellant hermétiquement l'anneau aux collerettes. c. Amélioration du fonctionnement et de la sécurité des lampes à arc.at. High pressure arc lamp with compressive ceramic-metal joints. b. It comprises an envelope formed by a first and a second metal part, a ceramic ring and sealing means. It is characterized in that the first metal part has an internally projecting collar and the second part an externally projecting collar, the two projections being sufficient to cover each other radially and define a common annular region in which the ceramic ring is placed, the two projections sealing means hermetically sealing the ring to the flanges. vs. Improved operation and safety of arc lamps.

FR7803392A 1977-02-11 1978-02-07 HIGH PRESSURE ARC LAMP WITH COMPRESSIVE CERAMIC-METAL SEALS Withdrawn FR2380634A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76785477A 1977-02-11 1977-02-11

Publications (1)

Publication Number Publication Date
FR2380634A1 true FR2380634A1 (en) 1978-09-08

Family

ID=25080786

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7803392A Withdrawn FR2380634A1 (en) 1977-02-11 1978-02-07 HIGH PRESSURE ARC LAMP WITH COMPRESSIVE CERAMIC-METAL SEALS

Country Status (6)

Country Link
JP (2) JPS53103670A (en)
CA (1) CA1136690A (en)
DE (1) DE2804716A1 (en)
FR (1) FR2380634A1 (en)
GB (2) GB1596733A (en)
IT (1) IT1093280B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0221882A (en) * 1988-07-08 1990-01-24 Mizuno Corp Golf club
JPH04281173A (en) * 1991-03-08 1992-10-06 Sharp Corp Refrigerator
GB2464954B (en) 2008-10-30 2012-06-20 Univ Open Valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137813A1 (en) * 1971-05-13 1972-12-29 Varian Associates

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137813A1 (en) * 1971-05-13 1972-12-29 Varian Associates

Also Published As

Publication number Publication date
JPS6116460A (en) 1986-01-24
JPS6226144B2 (en) 1987-06-06
DE2804716A1 (en) 1978-08-17
JPS53103670A (en) 1978-09-09
GB1596733A (en) 1981-08-26
IT1093280B (en) 1985-07-19
IT7820153A0 (en) 1978-02-10
GB1596732A (en) 1981-08-26
CA1136690A (en) 1982-11-30
JPS6149788B2 (en) 1986-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse