FR445198A - Filament shaping improvements for incandescent lamps - Google Patents

Filament shaping improvements for incandescent lamps

Info

Publication number
FR445198A
FR445198A FR445198A FR445198DA FR445198A FR 445198 A FR445198 A FR 445198A FR 445198 A FR445198 A FR 445198A FR 445198D A FR445198D A FR 445198DA FR 445198 A FR445198 A FR 445198A
Authority
FR
France
Prior art keywords
incandescent lamps
filament shaping
filament
shaping
incandescent
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
FR445198A
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 FR445198A publication Critical patent/FR445198A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
FR445198A 1911-05-31 1912-05-30 Filament shaping improvements for incandescent lamps Expired FR445198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191119047XA 1911-05-31 1911-05-31

Publications (1)

Publication Number Publication Date
FR445198A true FR445198A (en) 1912-11-05

Family

ID=32596775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR445198A Expired FR445198A (en) 1911-05-31 1912-05-30 Filament shaping improvements for incandescent lamps

Country Status (2)

Country Link
FR (1) FR445198A (en)
GB (1) GB191119047A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103706732B (en) * 2013-12-30 2015-12-30 锦州华光电子管有限公司 Broken line type filament cold machining molding process

Also Published As

Publication number Publication date
GB191119047A (en) 1912-02-15

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