FR888468A - Manufacturing process of single or multiple filaments and helices for incandescent lamps - Google Patents

Manufacturing process of single or multiple filaments and helices for incandescent lamps

Info

Publication number
FR888468A
FR888468A FR888468DA FR888468A FR 888468 A FR888468 A FR 888468A FR 888468D A FR888468D A FR 888468DA FR 888468 A FR888468 A FR 888468A
Authority
FR
France
Prior art keywords
helices
manufacturing process
incandescent lamps
multiple filaments
filaments
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR888468A publication Critical patent/FR888468A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR888468D 1941-10-28 1942-11-19 Manufacturing process of single or multiple filaments and helices for incandescent lamps Expired FR888468A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL888468X 1941-10-28

Publications (1)

Publication Number Publication Date
FR888468A true FR888468A (en) 1943-12-14

Family

ID=19853837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888468D Expired FR888468A (en) 1941-10-28 1942-11-19 Manufacturing process of single or multiple filaments and helices for incandescent lamps

Country Status (3)

Country Link
BE (1) BE447742A (en)
FR (1) FR888468A (en)
NL (1) NL62421C (en)

Also Published As

Publication number Publication date
BE447742A (en)
NL62421C (en)

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