FR621135A - Improvements to incandescent electric lamps - Google Patents

Improvements to incandescent electric lamps

Info

Publication number
FR621135A
FR621135A FR621135DA FR621135A FR 621135 A FR621135 A FR 621135A FR 621135D A FR621135D A FR 621135DA FR 621135 A FR621135 A FR 621135A
Authority
FR
France
Prior art keywords
electric lamps
incandescent electric
incandescent
lamps
electric
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)
Inventor
Georges Von Mery
Richard Basch
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 filed Critical
Application granted granted Critical
Publication of FR621135A publication Critical patent/FR621135A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • 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
FR621135D 1924-10-27 1926-09-07 Improvements to incandescent electric lamps Expired FR621135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1599241X 1924-10-27

Publications (1)

Publication Number Publication Date
FR621135A true FR621135A (en) 1927-05-05

Family

ID=3688408

Family Applications (2)

Application Number Title Priority Date Filing Date
FR742291D Expired FR742291A (en) 1924-10-27
FR621135D Expired FR621135A (en) 1924-10-27 1926-09-07 Improvements to incandescent electric lamps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR742291D Expired FR742291A (en) 1924-10-27

Country Status (3)

Country Link
US (1) US1599241A (en)
FR (2) FR621135A (en)
GB (1) GB267009A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328379A2 (en) * 1988-02-10 1989-08-16 Kabushiki Kaisha Toshiba Halogen lamp

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662789A (en) * 1970-08-24 1972-05-16 Duro Test Corp Mandrel for manufacturing filament coils and method for manufacturing filament coils
GB2120006B (en) * 1982-05-07 1985-10-09 Gen Electric Plc Diversion of heat and light from ribbon seals in high-power electric lamps

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328379A2 (en) * 1988-02-10 1989-08-16 Kabushiki Kaisha Toshiba Halogen lamp
EP0328379A3 (en) * 1988-02-10 1991-04-10 Kabushiki Kaisha Toshiba Halogen lamp

Also Published As

Publication number Publication date
FR742291A (en) 1933-03-03
GB267009A (en) 1927-03-10
US1599241A (en) 1926-09-07

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