CH272091A - Device for melting down the vent tube of electrical discharge tubes. - Google Patents

Device for melting down the vent tube of electrical discharge tubes.

Info

Publication number
CH272091A
CH272091A CH272091DA CH272091A CH 272091 A CH272091 A CH 272091A CH 272091D A CH272091D A CH 272091DA CH 272091 A CH272091 A CH 272091A
Authority
CH
Switzerland
Prior art keywords
electrical discharge
vent tube
discharge tubes
melting down
melting
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH272091A publication Critical patent/CH272091A/en

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
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
CH272091D 1948-01-22 1949-01-20 Device for melting down the vent tube of electrical discharge tubes. CH272091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL272091X 1948-01-22

Publications (1)

Publication Number Publication Date
CH272091A true CH272091A (en) 1950-11-30

Family

ID=19781976

Family Applications (1)

Application Number Title Priority Date Filing Date
CH272091D CH272091A (en) 1948-01-22 1949-01-20 Device for melting down the vent tube of electrical discharge tubes.

Country Status (6)

Country Link
BE (1) BE486927A (en)
CH (1) CH272091A (en)
DE (1) DE810413C (en)
FR (1) FR979322A (en)
GB (1) GB674163A (en)
NL (1) NL68151C (en)

Also Published As

Publication number Publication date
BE486927A (en)
FR979322A (en) 1951-04-25
NL68151C (en)
GB674163A (en) 1952-06-18
DE810413C (en) 1951-08-09

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