GB674163A - Improvements in or relating to the sealing off of exhaust tubes of electric discharge tubes - Google Patents

Improvements in or relating to the sealing off of exhaust tubes of electric discharge tubes

Info

Publication number
GB674163A
GB674163A GB1488/49A GB148849A GB674163A GB 674163 A GB674163 A GB 674163A GB 1488/49 A GB1488/49 A GB 1488/49A GB 148849 A GB148849 A GB 148849A GB 674163 A GB674163 A GB 674163A
Authority
GB
United Kingdom
Prior art keywords
stem
tube
sealing
holder
slots
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
GB1488/49A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Philips Electronics 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 Gloeilampenfabrieken NV, Philips Electronics NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB674163A publication Critical patent/GB674163A/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)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
GB1488/49A 1948-01-22 1949-01-19 Improvements in or relating to the sealing off of exhaust tubes of electric discharge tubes Expired GB674163A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB674163A true GB674163A (en) 1952-06-18

Family

ID=19781976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1488/49A Expired GB674163A (en) 1948-01-22 1949-01-19 Improvements in or relating to the sealing off of exhaust tubes of electric discharge tubes

Country Status (6)

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

Also Published As

Publication number Publication date
NL68151C (enrdf_load_html_response)
BE486927A (enrdf_load_html_response)
CH272091A (de) 1950-11-30
FR979322A (fr) 1951-04-25
DE810413C (de) 1951-08-09

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