CH307786A - Process for the manufacture of curved fluorescent tubes and machine for carrying out this process. - Google Patents

Process for the manufacture of curved fluorescent tubes and machine for carrying out this process.

Info

Publication number
CH307786A
CH307786A CH307786DA CH307786A CH 307786 A CH307786 A CH 307786A CH 307786D A CH307786D A CH 307786DA CH 307786 A CH307786 A CH 307786A
Authority
CH
Switzerland
Prior art keywords
manufacture
carrying
machine
fluorescent tubes
curved fluorescent
Prior art date
Application number
Other languages
German (de)
Inventor
Company General Electric
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of CH307786A publication Critical patent/CH307786A/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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
    • H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/06—Re-forming tubes or rods by bending
    • C03B23/065—Re-forming tubes or rods by bending in only one plane, e.g. for making circular neon tubes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
CH307786D 1948-09-03 1949-09-03 Process for the manufacture of curved fluorescent tubes and machine for carrying out this process. CH307786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US307786XA 1948-09-03 1948-09-03

Publications (1)

Publication Number Publication Date
CH307786A true CH307786A (en) 1955-06-15

Family

ID=21855967

Family Applications (1)

Application Number Title Priority Date Filing Date
CH307786D CH307786A (en) 1948-09-03 1949-09-03 Process for the manufacture of curved fluorescent tubes and machine for carrying out this process.

Country Status (2)

Country Link
CH (1) CH307786A (en)
DE (1) DE887238C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1025990B (en) * 1953-12-15 1958-03-13 Sylvania Electric Prod Head piece for evacuation and gas filling devices for electric discharge lamps and other electric gas discharge vessels
DE2724528C2 (en) * 1977-05-31 1984-10-18 Osamu Matsudo Chiba Kawamura Method and apparatus for making a tubular fluorescent lamp in an arcuate shape

Also Published As

Publication number Publication date
DE887238C (en) 1953-08-20

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