FR645389A - Filament improvements for incandescent lamps and similar devices - Google Patents

Filament improvements for incandescent lamps and similar devices

Info

Publication number
FR645389A
FR645389A FR645389DA FR645389A FR 645389 A FR645389 A FR 645389A FR 645389D A FR645389D A FR 645389DA FR 645389 A FR645389 A FR 645389A
Authority
FR
France
Prior art keywords
filament
similar devices
incandescent lamps
incandescent
lamps
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
Other languages
French (fr)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR645389A publication Critical patent/FR645389A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01K3/06—Attaching of incandescent bodies to mount
    • 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
    • H01K3/06—Attaching of incandescent bodies to mount
    • H01K3/065—Machines therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
  • Wire Processing (AREA)
FR645389D 1926-12-09 1927-12-08 Filament improvements for incandescent lamps and similar devices Expired FR645389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US153665A US1650605A (en) 1926-12-09 1926-12-09 Filament for incandescent lamps or similar articles

Publications (1)

Publication Number Publication Date
FR645389A true FR645389A (en) 1928-10-24

Family

ID=22548188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645389D Expired FR645389A (en) 1926-12-09 1927-12-08 Filament improvements for incandescent lamps and similar devices

Country Status (4)

Country Link
US (1) US1650605A (en)
DE (1) DE614767C (en)
FR (1) FR645389A (en)
GB (1) GB282066A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425090A (en) * 1942-08-24 1947-08-05 Eitel Mccullough Inc Method of making cathodes
US2454318A (en) * 1943-04-24 1948-11-23 Westinghouse Electric Corp Method of fabricating electron discharge devices
GB742063A (en) * 1953-01-22 1955-12-21 British Thomson Houston Co Ltd Improvements in and relating to the manufacture of tungsten filaments
US2867715A (en) * 1954-08-13 1959-01-06 Gen Motors Corp Method for making lamp bulb
US2988804A (en) * 1957-08-30 1961-06-20 Tibbetts Industries Method of winding electric coils
US3631593A (en) * 1970-01-02 1972-01-04 Rca Corp Assembly of filamentary display devices

Also Published As

Publication number Publication date
US1650605A (en) 1927-11-29
GB282066A (en) 1929-03-07
DE614767C (en) 1935-06-17

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