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FR624497A - Manufacture of electric incandescent lamps - Google Patents

Manufacture of electric incandescent lamps

Info

Publication number
FR624497A
FR624497A FR624497DA FR624497A FR 624497 A FR624497 A FR 624497A FR 624497D A FR624497D A FR 624497DA FR 624497 A FR624497 A FR 624497A
Authority
FR
France
Prior art keywords
manufacture
incandescent lamps
electric incandescent
electric
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.)
Gral Ges fur Elektro Ind M B H
Original Assignee
Gral Ges fur Elektro Ind M B H
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
Priority claimed from DEG65754D external-priority patent/DE455320C/en
Priority claimed from DEG67301D external-priority patent/DE464660C/en
Application filed by Gral Ges fur Elektro Ind M B H filed Critical Gral Ges fur Elektro Ind M B H
Application granted granted Critical
Publication of FR624497A publication Critical patent/FR624497A/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
    • H01K3/20—Sealing-in wires directly into the envelope

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR624497D 1925-11-13 1926-11-12 Manufacture of electric incandescent lamps Expired FR624497A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG65754D DE455320C (en) 1925-11-13 1925-11-13 Feet for tipless electric light bulbs
DEG67301D DE464660C (en) 1926-05-17 1926-05-17 Topless dwarf glow lamp

Publications (1)

Publication Number Publication Date
FR624497A true FR624497A (en) 1927-07-19

Family

ID=25979027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR624497D Expired FR624497A (en) 1925-11-13 1926-11-12 Manufacture of electric incandescent lamps

Country Status (2)

Country Link
FR (1) FR624497A (en)
GB (2) GB261398A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028230B (en) * 1955-11-28 1958-04-17 Gen Electric Process for the production of incandescent lamps and similar glass vessels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2341028B2 (en) * 1973-08-14 1975-08-28 Philips Patentverwaltung Gmbh, 2000 Hamburg Process for the production of miniature incandescent lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1028230B (en) * 1955-11-28 1958-04-17 Gen Electric Process for the production of incandescent lamps and similar glass vessels

Also Published As

Publication number Publication date
GB271029A (en) 1927-06-30
GB261398A (en) 1927-06-30

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