FR487167A - Improvements in the shaping of filaments of incandescent lamps - Google Patents

Improvements in the shaping of filaments of incandescent lamps

Info

Publication number
FR487167A
FR487167A FR487167DA FR487167A FR 487167 A FR487167 A FR 487167A FR 487167D A FR487167D A FR 487167DA FR 487167 A FR487167 A FR 487167A
Authority
FR
France
Prior art keywords
filaments
shaping
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 Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR487167A publication Critical patent/FR487167A/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
    • H01K3/04—Machines therefor
    • 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)
  • Resistance Heating (AREA)
FR487167D 1915-11-13 1916-10-18 Improvements in the shaping of filaments of incandescent lamps Expired FR487167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US487167XA 1915-11-13 1915-11-13

Publications (1)

Publication Number Publication Date
FR487167A true FR487167A (en) 1918-06-12

Family

ID=32244784

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487167D Expired FR487167A (en) 1915-11-13 1916-10-18 Improvements in the shaping of filaments of incandescent lamps

Country Status (3)

Country Link
FR (1) FR487167A (en)
GB (1) GB104561A (en)
NL (1) NL7967C (en)

Also Published As

Publication number Publication date
NL7967C (en)
GB104561A (en) 1917-03-15

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