GB551283A - Improved method and apparatus for sealing electric lamp bulbs and similar devices - Google Patents

Improved method and apparatus for sealing electric lamp bulbs and similar devices

Info

Publication number
GB551283A
GB551283A GB10588/41A GB1058841A GB551283A GB 551283 A GB551283 A GB 551283A GB 10588/41 A GB10588/41 A GB 10588/41A GB 1058841 A GB1058841 A GB 1058841A GB 551283 A GB551283 A GB 551283A
Authority
GB
United Kingdom
Prior art keywords
tube
lamp
torsion
effect sealing
glass softens
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
GB10588/41A
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 GB551283A publication Critical patent/GB551283A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus 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
    • H01J9/40Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Package Closures (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Feeding And Controlling Fuel (AREA)
GB10588/41A 1940-08-21 1941-08-20 Improved method and apparatus for sealing electric lamp bulbs and similar devices Expired GB551283A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US353524A US2295034A (en) 1940-08-21 1940-08-21 Tipping-off apparatus

Publications (1)

Publication Number Publication Date
GB551283A true GB551283A (en) 1943-02-16

Family

ID=23389485

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10588/41A Expired GB551283A (en) 1940-08-21 1941-08-20 Improved method and apparatus for sealing electric lamp bulbs and similar devices

Country Status (4)

Country Link
US (1) US2295034A (de)
DE (1) DE733916C (de)
FR (1) FR878771A (de)
GB (1) GB551283A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689677A (en) * 1950-08-14 1954-09-21 Lilly Co Eli Ampoule filling and sealing machine
US2691850A (en) * 1953-02-27 1954-10-19 Westinghouse Electric Corp Heat baffle for automatic sealing machines
US2934860A (en) * 1955-03-01 1960-05-03 Rca Corp Tip-off apparatus for electron tubes
US2848844A (en) * 1956-04-30 1958-08-26 Gen Electric Apparatus for tipping-off incandescent lamps and similar devices
US3201217A (en) * 1962-05-01 1965-08-17 Rca Corp Tubular glass sealing apparatus
US4329166A (en) * 1980-12-24 1982-05-11 Westinghouse Electric Corp. Automatic tipping-off apparatus for a high-intensity-discharge arc tube

Also Published As

Publication number Publication date
US2295034A (en) 1942-09-08
DE733916C (de) 1943-04-05
FR878771A (fr) 1943-01-29

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