NL139842B - PROCESS FOR MANUFACTURE OF AN ELECTRIC FILAMENT BULB, AS WELL AS THE ELECTRIC FILAMENT BULB. - Google Patents

PROCESS FOR MANUFACTURE OF AN ELECTRIC FILAMENT BULB, AS WELL AS THE ELECTRIC FILAMENT BULB.

Info

Publication number
NL139842B
NL139842B NL280883A NL280883A NL139842B NL 139842 B NL139842 B NL 139842B NL 280883 A NL280883 A NL 280883A NL 280883 A NL280883 A NL 280883A NL 139842 B NL139842 B NL 139842B
Authority
NL
Netherlands
Prior art keywords
filament bulb
electric filament
manufacture
well
bulb
Prior art date
Application number
NL280883A
Other languages
Dutch (nl)
Original Assignee
Ass Elect Ind
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 Ass Elect Ind filed Critical Ass Elect Ind
Publication of NL139842B publication Critical patent/NL139842B/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
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/20—Sealing-in wires directly into the envelope
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/22—Exhausting, degassing, filling, or cleaning vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
NL280883A 1961-07-13 1962-07-12 PROCESS FOR MANUFACTURE OF AN ELECTRIC FILAMENT BULB, AS WELL AS THE ELECTRIC FILAMENT BULB. NL139842B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2540261A GB1014482A (en) 1961-07-13 1961-07-13 Improvements relating to the manufacture of vacuum electric incandescent lamps of the capless type

Publications (1)

Publication Number Publication Date
NL139842B true NL139842B (en) 1973-09-17

Family

ID=10227109

Family Applications (2)

Application Number Title Priority Date Filing Date
NL280883D NL280883A (en) 1961-07-13
NL280883A NL139842B (en) 1961-07-13 1962-07-12 PROCESS FOR MANUFACTURE OF AN ELECTRIC FILAMENT BULB, AS WELL AS THE ELECTRIC FILAMENT BULB.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL280883D NL280883A (en) 1961-07-13

Country Status (3)

Country Link
DE (1) DE1464138A1 (en)
GB (1) GB1014482A (en)
NL (2) NL139842B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798491A (en) * 1972-12-18 1974-03-19 Gen Electric Rounded end halogen lamp with spiral exhaust tube and method of manufacutre
JPS60185357A (en) * 1984-03-05 1985-09-20 スタンレー電気株式会社 Method of producing bead-sealed gas bulb

Also Published As

Publication number Publication date
GB1014482A (en) 1965-12-22
DE1464138A1 (en) 1970-02-26
NL280883A (en)

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: ASSO ELECTRICAL