GB290165A - Improvements in and relating to methods of and apparatus for making electric incandescent lamps and similar articles - Google Patents

Improvements in and relating to methods of and apparatus for making electric incandescent lamps and similar articles

Info

Publication number
GB290165A
GB290165A GB13310/28A GB1331028A GB290165A GB 290165 A GB290165 A GB 290165A GB 13310/28 A GB13310/28 A GB 13310/28A GB 1331028 A GB1331028 A GB 1331028A GB 290165 A GB290165 A GB 290165A
Authority
GB
United Kingdom
Prior art keywords
bulb
stem
filament
cap
neck
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
GB13310/28A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB290165A publication Critical patent/GB290165A/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
    • H01J9/28—Manufacture of 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)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB13310/28A 1927-05-07 1928-05-05 Improvements in and relating to methods of and apparatus for making electric incandescent lamps and similar articles Expired GB290165A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US189514A US1788957A (en) 1927-05-07 1927-05-07 Method and apparatus for making incandescent lamps and similar articles

Publications (1)

Publication Number Publication Date
GB290165A true GB290165A (en) 1929-03-28

Family

ID=22697646

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13310/28A Expired GB290165A (en) 1927-05-07 1928-05-05 Improvements in and relating to methods of and apparatus for making electric incandescent lamps and similar articles

Country Status (3)

Country Link
US (1) US1788957A (fr)
FR (1) FR659304A (fr)
GB (1) GB290165A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434664A (en) * 1942-11-09 1948-01-20 Gen Electric Sealing-in machine
US2726917A (en) * 1952-03-28 1955-12-13 Gen Electric Lamp sealing and exhausting machine with precision focusing apparatus

Also Published As

Publication number Publication date
US1788957A (en) 1931-01-13
FR659304A (fr) 1929-06-27

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