ES178327Y - A ROLLED ARTICLE USED AS A CATHODE IN FLUORESCENT LAMPS. - Google Patents

A ROLLED ARTICLE USED AS A CATHODE IN FLUORESCENT LAMPS.

Info

Publication number
ES178327Y
ES178327Y ES1972178327U ES178327U ES178327Y ES 178327 Y ES178327 Y ES 178327Y ES 1972178327 U ES1972178327 U ES 1972178327U ES 178327 U ES178327 U ES 178327U ES 178327 Y ES178327 Y ES 178327Y
Authority
ES
Spain
Prior art keywords
cathode
fluorescent lamps
article used
rolled article
rolled
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
ES1972178327U
Other languages
Spanish (es)
Other versions
ES178327U (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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ES178327U publication Critical patent/ES178327U/en
Application granted granted Critical
Publication of ES178327Y publication Critical patent/ES178327Y/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Ropes Or Cables (AREA)
  • Laser Beam Processing (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
ES1972178327U 1969-01-22 1972-03-15 A ROLLED ARTICLE USED AS A CATHODE IN FLUORESCENT LAMPS. Expired ES178327Y (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79298869A 1969-01-22 1969-01-22

Publications (2)

Publication Number Publication Date
ES178327U ES178327U (en) 1972-11-16
ES178327Y true ES178327Y (en) 1973-05-16

Family

ID=25158728

Family Applications (3)

Application Number Title Priority Date Filing Date
ES374895A Expired ES374895A1 (en) 1969-01-22 1969-12-24 A method of providing substantially smooth globe terminals in rolled wire segments. (Machine-translation by Google Translate, not legally binding)
ES400786A Expired ES400786A1 (en) 1969-01-22 1972-03-15 An apparatus for cutting a continuous start thread destined to filament helicos for electrical lamps. (Machine-translation by Google Translate, not legally binding)
ES1972178327U Expired ES178327Y (en) 1969-01-22 1972-03-15 A ROLLED ARTICLE USED AS A CATHODE IN FLUORESCENT LAMPS.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
ES374895A Expired ES374895A1 (en) 1969-01-22 1969-12-24 A method of providing substantially smooth globe terminals in rolled wire segments. (Machine-translation by Google Translate, not legally binding)
ES400786A Expired ES400786A1 (en) 1969-01-22 1972-03-15 An apparatus for cutting a continuous start thread destined to filament helicos for electrical lamps. (Machine-translation by Google Translate, not legally binding)

Country Status (6)

Country Link
BE (1) BE744561A (en)
DE (1) DE2002087C2 (en)
ES (3) ES374895A1 (en)
FR (1) FR2028902A1 (en)
GB (1) GB1296224A (en)
NL (1) NL168992C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6984928B2 (en) * 2002-03-05 2006-01-10 Mineta Company Ltd. Coil filament

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2363028A (en) * 1941-12-16 1944-11-21 Carl J Warnke Cathode filament
AT168459B (en) * 1943-07-12 1951-06-11 Lumalampan Ab Electrode for electric discharge tubes
DE1146585B (en) * 1959-03-31 1963-04-04 Gen Electric Shock-proof electric light bulb
US3523207A (en) * 1968-01-18 1970-08-04 Westinghouse Electric Corp Incandescent lamp with tantalum carbide filament and nitrogen gas atmosphere

Also Published As

Publication number Publication date
GB1296224A (en) 1972-11-15
DE2002087C2 (en) 1983-10-20
NL7000892A (en) 1970-07-24
FR2028902A1 (en) 1970-10-16
NL168992C (en) 1982-05-17
ES178327U (en) 1972-11-16
ES400786A1 (en) 1975-01-16
BE744561A (en) 1970-07-01
ES374895A1 (en) 1972-05-16
DE2002087A1 (en) 1970-07-30
NL168992B (en) 1981-12-16

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Legal Events

Date Code Title Description
FD1K Utility model lapsed

Effective date: 19850124