FR879990A - Mercury vapor electric lamp - Google Patents

Mercury vapor electric lamp

Info

Publication number
FR879990A
FR879990A FR879990DA FR879990A FR 879990 A FR879990 A FR 879990A FR 879990D A FR879990D A FR 879990DA FR 879990 A FR879990 A FR 879990A
Authority
FR
France
Prior art keywords
mercury vapor
electric lamp
vapor electric
lamp
mercury
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
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Application granted granted Critical
Publication of FR879990A publication Critical patent/FR879990A/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
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • 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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR879990D 1941-03-06 1942-03-05 Mercury vapor electric lamp Expired FR879990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE229739X 1941-03-06

Publications (1)

Publication Number Publication Date
FR879990A true FR879990A (en) 1943-03-10

Family

ID=5867983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879990D Expired FR879990A (en) 1941-03-06 1942-03-05 Mercury vapor electric lamp

Country Status (2)

Country Link
CH (1) CH229739A (en)
FR (1) FR879990A (en)

Also Published As

Publication number Publication date
CH229739A (en) 1943-11-15

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