FR777819A - Improvements in the manufacturing processes of discharge tubes - Google Patents

Improvements in the manufacturing processes of discharge tubes

Info

Publication number
FR777819A
FR777819A FR777819DA FR777819A FR 777819 A FR777819 A FR 777819A FR 777819D A FR777819D A FR 777819DA FR 777819 A FR777819 A FR 777819A
Authority
FR
France
Prior art keywords
manufacturing processes
discharge tubes
tubes
discharge
processes
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR777819A publication Critical patent/FR777819A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J9/385—Exhausting vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR777819D 1933-08-30 1934-08-30 Improvements in the manufacturing processes of discharge tubes Expired FR777819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB777819X 1933-08-30

Publications (1)

Publication Number Publication Date
FR777819A true FR777819A (en) 1935-03-01

Family

ID=10497589

Family Applications (1)

Application Number Title Priority Date Filing Date
FR777819D Expired FR777819A (en) 1933-08-30 1934-08-30 Improvements in the manufacturing processes of discharge tubes

Country Status (1)

Country Link
FR (1) FR777819A (en)

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