GB635984A - Improvements in or relating to methods of exhausting and sealing electric discharge tubes and incandescent lamps - Google Patents

Improvements in or relating to methods of exhausting and sealing electric discharge tubes and incandescent lamps

Info

Publication number
GB635984A
GB635984A GB30966/46A GB3096646A GB635984A GB 635984 A GB635984 A GB 635984A GB 30966/46 A GB30966/46 A GB 30966/46A GB 3096646 A GB3096646 A GB 3096646A GB 635984 A GB635984 A GB 635984A
Authority
GB
United Kingdom
Prior art keywords
aperture
electrode
electric discharge
vacuum conduit
current
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
GB30966/46A
Other languages
English (en)
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken 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 Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB635984A publication Critical patent/GB635984A/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
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB30966/46A 1943-02-18 1946-10-17 Improvements in or relating to methods of exhausting and sealing electric discharge tubes and incandescent lamps Expired GB635984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250194X 1943-02-18

Publications (1)

Publication Number Publication Date
GB635984A true GB635984A (en) 1950-04-19

Family

ID=19781052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30966/46A Expired GB635984A (en) 1943-02-18 1946-10-17 Improvements in or relating to methods of exhausting and sealing electric discharge tubes and incandescent lamps

Country Status (4)

Country Link
BE (1) BE454432A (pm)
CH (1) CH250194A (pm)
FR (1) FR902010A (pm)
GB (1) GB635984A (pm)

Also Published As

Publication number Publication date
BE454432A (pm)
CH250194A (de) 1947-08-15
FR902010A (fr) 1945-08-16

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