FR540833A - Perfectionnements à la composition et au mode de fabrication des filaments - Google Patents

Perfectionnements à la composition et au mode de fabrication des filaments

Info

Publication number
FR540833A
FR540833A FR540833DA FR540833A FR 540833 A FR540833 A FR 540833A FR 540833D A FR540833D A FR 540833DA FR 540833 A FR540833 A FR 540833A
Authority
FR
France
Prior art keywords
filaments
manufacturing
composition
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
English (en)
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 FR540833A publication Critical patent/FR540833A/fr
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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/934—Electrical process
    • Y10S428/935—Electroplating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9335—Product by special process
    • Y10S428/941—Solid state alloying, e.g. diffusion, to disappearance of an original layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
FR540833D 1920-07-29 1921-07-28 Perfectionnements à la composition et au mode de fabrication des filaments Expired FR540833A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399798A US1565724A (en) 1920-07-29 1920-07-29 Filament and method of manufacture thereof

Publications (1)

Publication Number Publication Date
FR540833A true FR540833A (fr) 1922-07-18

Family

ID=23581006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540833D Expired FR540833A (fr) 1920-07-29 1921-07-28 Perfectionnements à la composition et au mode de fabrication des filaments

Country Status (3)

Country Link
US (1) US1565724A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR540833A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL9509C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL72568C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1948-11-12
US2742691A (en) * 1950-04-18 1956-04-24 Ohio Commw Eng Co Method of making corrosion resistant clad steel
US2772227A (en) * 1953-06-29 1956-11-27 Westinghouse Electric Corp Protection of molybdenum and tungsten at high temperatures
US2858600A (en) * 1954-02-19 1958-11-04 Gen Motors Corp Surface hardening of titanium
US3066407A (en) * 1958-03-17 1962-12-04 Gen Electric Method of forming wire
US3024522A (en) * 1959-07-24 1962-03-13 Gen Electric Rhenium bonded composite material and method
US3627650A (en) * 1969-07-15 1971-12-14 Atomic Energy Commission Method for producing a chromium-tungsten coating on tungsten for protection against oxidation at elevated temperatures

Also Published As

Publication number Publication date
US1565724A (en) 1925-12-15
NL9509C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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