GB494518A - Improvements in or relating to means for sealing or stopping metal pump fittings forvacuum tubes - Google Patents

Improvements in or relating to means for sealing or stopping metal pump fittings forvacuum tubes

Info

Publication number
GB494518A
GB494518A GB11909/37A GB1190937A GB494518A GB 494518 A GB494518 A GB 494518A GB 11909/37 A GB11909/37 A GB 11909/37A GB 1190937 A GB1190937 A GB 1190937A GB 494518 A GB494518 A GB 494518A
Authority
GB
United Kingdom
Prior art keywords
tube
solder
tubes
constriction
forvacuum
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
GB11909/37A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB494518A publication Critical patent/GB494518A/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)
GB11909/37A 1936-04-27 1937-04-26 Improvements in or relating to means for sealing or stopping metal pump fittings forvacuum tubes Expired GB494518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE494518X 1936-04-27

Publications (1)

Publication Number Publication Date
GB494518A true GB494518A (en) 1938-10-26

Family

ID=6544731

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11909/37A Expired GB494518A (en) 1936-04-27 1937-04-26 Improvements in or relating to means for sealing or stopping metal pump fittings forvacuum tubes

Country Status (3)

Country Link
FR (1) FR820930A (enrdf_load_stackoverflow)
GB (1) GB494518A (enrdf_load_stackoverflow)
NL (1) NL45530C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727233A (en) * 1986-08-28 1988-02-23 Consiglio Nazionale Delle Ricerche Method for sealing tubes
US5484315A (en) * 1991-10-11 1996-01-16 Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh Method for producing a metal-halide discharge lamp with a ceramic discharge vessel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727233A (en) * 1986-08-28 1988-02-23 Consiglio Nazionale Delle Ricerche Method for sealing tubes
US5484315A (en) * 1991-10-11 1996-01-16 Patent-Treuhand-Gesellschaft F. Elektrische Gluehlampen Mbh Method for producing a metal-halide discharge lamp with a ceramic discharge vessel

Also Published As

Publication number Publication date
FR820930A (fr) 1937-11-22
NL45530C (enrdf_load_stackoverflow)

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