GB1450997A - Electrode for electric discharge lamps - Google Patents

Electrode for electric discharge lamps

Info

Publication number
GB1450997A
GB1450997A GB1381674A GB1381674A GB1450997A GB 1450997 A GB1450997 A GB 1450997A GB 1381674 A GB1381674 A GB 1381674A GB 1381674 A GB1381674 A GB 1381674A GB 1450997 A GB1450997 A GB 1450997A
Authority
GB
United Kingdom
Prior art keywords
filament
supporting wires
central portion
wires
electrode
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
GB1381674A
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of GB1450997A publication Critical patent/GB1450997A/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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
GB1381674A 1973-03-28 1974-03-28 Electrode for electric discharge lamps Expired GB1450997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00345564A US3817296A (en) 1973-03-28 1973-03-28 Method of making an electrode having a filament with extending legs

Publications (1)

Publication Number Publication Date
GB1450997A true GB1450997A (en) 1976-09-29

Family

ID=23355528

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1381674A Expired GB1450997A (en) 1973-03-28 1974-03-28 Electrode for electric discharge lamps

Country Status (6)

Country Link
US (1) US3817296A (enrdf_load_stackoverflow)
JP (1) JPS5027369A (enrdf_load_stackoverflow)
BE (1) BE812983A (enrdf_load_stackoverflow)
DE (1) DE2414423A1 (enrdf_load_stackoverflow)
GB (1) GB1450997A (enrdf_load_stackoverflow)
NL (1) NL7403798A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869502A (enrdf_load_stackoverflow) * 1971-12-20 1973-09-21

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073356A (en) * 1958-09-23 1963-01-15 Gen Electric Electric lamp mount making method
US3058497A (en) * 1959-07-16 1962-10-16 Westinghouse Electric Corp Filament-stretching device
US3096795A (en) * 1960-01-13 1963-07-09 Westinghouse Electric Corp Article-transfer device
US3160181A (en) * 1961-03-27 1964-12-08 Sylvania Electric Prod Method of and apparatus for feeding, compressing, stretching and transferring filaments
US3629914A (en) * 1970-03-10 1971-12-28 Westinghouse Electric Corp Method of making an elongated singly coiled filament and mounting it in a tubular incandescent lamp

Also Published As

Publication number Publication date
BE812983A (fr) 1974-07-15
US3817296A (en) 1974-06-18
DE2414423A1 (de) 1974-10-10
JPS5027369A (enrdf_load_stackoverflow) 1975-03-20
NL7403798A (enrdf_load_stackoverflow) 1974-10-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee