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FR1142167A - Lampe électrique avec ampoule non sujette aux craquelures - Google Patents

Lampe électrique avec ampoule non sujette aux craquelures

Info

Publication number
FR1142167A
FR1142167A FR1142167DA FR1142167A FR 1142167 A FR1142167 A FR 1142167A FR 1142167D A FR1142167D A FR 1142167DA FR 1142167 A FR1142167 A FR 1142167A
Authority
FR
France
Prior art keywords
bulb
cracking
electric lamp
lamp
electric
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 FR1142167A publication Critical patent/FR1142167A/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
    • H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
    • H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
    • 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
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR1142167D 1955-02-28 1956-02-24 Lampe électrique avec ampoule non sujette aux craquelures Expired FR1142167A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1142167XA 1955-02-28 1955-02-28

Publications (1)

Publication Number Publication Date
FR1142167A true FR1142167A (fr) 1957-09-13

Family

ID=22353997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1142167D Expired FR1142167A (fr) 1955-02-28 1956-02-24 Lampe électrique avec ampoule non sujette aux craquelures

Country Status (1)

Country Link
FR (1) FR1142167A (fr)

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