FR782872A - Improvements made to automatic machines for vacuuming electric lamps - Google Patents

Improvements made to automatic machines for vacuuming electric lamps

Info

Publication number
FR782872A
FR782872A FR782872DA FR782872A FR 782872 A FR782872 A FR 782872A FR 782872D A FR782872D A FR 782872DA FR 782872 A FR782872 A FR 782872A
Authority
FR
France
Prior art keywords
vacuuming
improvements made
electric lamps
automatic machines
machines
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)
Inventor
Fernand Meunier
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
Application granted granted Critical
Publication of FR782872A publication Critical patent/FR782872A/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)
FR782872D 1934-03-06 1934-03-06 Improvements made to automatic machines for vacuuming electric lamps Expired FR782872A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR782872T 1934-03-06

Publications (1)

Publication Number Publication Date
FR782872A true FR782872A (en) 1935-06-14

Family

ID=9213477

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782872D Expired FR782872A (en) 1934-03-06 1934-03-06 Improvements made to automatic machines for vacuuming electric lamps

Country Status (1)

Country Link
FR (1) FR782872A (en)

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