GB483771A - Improvements in or relating to a process of and machine for making stem units for electrical apparatus - Google Patents

Improvements in or relating to a process of and machine for making stem units for electrical apparatus

Info

Publication number
GB483771A
GB483771A GB5970/37A GB597037A GB483771A GB 483771 A GB483771 A GB 483771A GB 5970/37 A GB5970/37 A GB 5970/37A GB 597037 A GB597037 A GB 597037A GB 483771 A GB483771 A GB 483771A
Authority
GB
United Kingdom
Prior art keywords
stem
tube
glass
exhausting
wires
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
GB5970/37A
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.)
Arcturus Radio Tube Co
Original Assignee
Arcturus Radio Tube Co
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 Arcturus Radio Tube Co filed Critical Arcturus Radio Tube Co
Publication of GB483771A publication Critical patent/GB483771A/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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/24—Vacuum-tight joints between parts of vessel between insulating parts of vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0037—Solid sealing members other than lamp bases
    • H01J2893/0038—Direct connection between two insulating elements, in particular via glass material
    • H01J2893/0039—Glass-to-glass connection, e.g. by soldering

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Joining Of Glass To Other Materials (AREA)
GB5970/37A 1936-02-29 1937-02-27 Improvements in or relating to a process of and machine for making stem units for electrical apparatus Expired GB483771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483771XA 1936-02-29 1936-02-29

Publications (1)

Publication Number Publication Date
GB483771A true GB483771A (en) 1938-04-26

Family

ID=21954238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5970/37A Expired GB483771A (en) 1936-02-29 1937-02-27 Improvements in or relating to a process of and machine for making stem units for electrical apparatus

Country Status (3)

Country Link
FR (1) FR818434A (en:Method)
GB (1) GB483771A (en:Method)
NL (1) NL81424C (en:Method)

Also Published As

Publication number Publication date
FR818434A (fr) 1937-09-25
NL81424C (en:Method)

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