FR441914A - Manufacturing process of ductile filaments for incandescent lamps, starting from metals or metal alloys which are difficult to melt - Google Patents

Manufacturing process of ductile filaments for incandescent lamps, starting from metals or metal alloys which are difficult to melt

Info

Publication number
FR441914A
FR441914A FR441914DA FR441914A FR 441914 A FR441914 A FR 441914A FR 441914D A FR441914D A FR 441914DA FR 441914 A FR441914 A FR 441914A
Authority
FR
France
Prior art keywords
melt
metals
starting
difficult
manufacturing process
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
Rudolf Jahoda
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.)
ELECTRISCHE GLUHLAMPENFABRIK WATT
Loeti & Latzko
Original Assignee
ELECTRISCHE GLUHLAMPENFABRIK WATT
Loeti & Latzko
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 ELECTRISCHE GLUHLAMPENFABRIK WATT, Loeti & Latzko filed Critical ELECTRISCHE GLUHLAMPENFABRIK WATT
Application granted granted Critical
Publication of FR441914A publication Critical patent/FR441914A/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
FR441914D 1911-09-30 1912-03-29 Manufacturing process of ductile filaments for incandescent lamps, starting from metals or metal alloys which are difficult to melt Expired FR441914A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT441914X 1911-09-30

Publications (1)

Publication Number Publication Date
FR441914A true FR441914A (en) 1912-08-20

Family

ID=1483128

Family Applications (1)

Application Number Title Priority Date Filing Date
FR441914D Expired FR441914A (en) 1911-09-30 1912-03-29 Manufacturing process of ductile filaments for incandescent lamps, starting from metals or metal alloys which are difficult to melt

Country Status (1)

Country Link
FR (1) FR441914A (en)

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