FR781676A - Méthode de fabrication des lampes électriques et appareils similaires - Google Patents

Méthode de fabrication des lampes électriques et appareils similaires

Info

Publication number
FR781676A
FR781676A FR781676DA FR781676A FR 781676 A FR781676 A FR 781676A FR 781676D A FR781676D A FR 781676DA FR 781676 A FR781676 A FR 781676A
Authority
FR
France
Prior art keywords
similar devices
electric lamps
manufacturing electric
manufacturing
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
English (en)
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 FR781676A publication Critical patent/FR781676A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40—Closing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Joining Of Glass To Other Materials (AREA)
FR781676D 1934-11-23 1934-11-22 Méthode de fabrication des lampes électriques et appareils similaires Expired FR781676A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3373334A GB452854A (en) 1934-11-23 1934-11-23 Improvements in and relating to methods of sealing off evacuated containers

Publications (1)

Publication Number Publication Date
FR781676A true FR781676A (fr) 1935-05-20

Family

ID=10356758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781676D Expired FR781676A (fr) 1934-11-23 1934-11-22 Méthode de fabrication des lampes électriques et appareils similaires

Country Status (2)

Country Link
FR (1) FR781676A (fr)
GB (1) GB452854A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE860094C (de) * 1939-06-03 1952-12-18 Sueddeutsche Telefon App Verfahren zur Herstellung von Elektronenroehren

Also Published As

Publication number Publication date
GB452854A (en) 1935-05-27

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