FR659304A - Improvements in methods and apparatus for the manufacture of filament lamps and similar devices - Google Patents

Improvements in methods and apparatus for the manufacture of filament lamps and similar devices

Info

Publication number
FR659304A
FR659304A FR659304DA FR659304A FR 659304 A FR659304 A FR 659304A FR 659304D A FR659304D A FR 659304DA FR 659304 A FR659304 A FR 659304A
Authority
FR
France
Prior art keywords
manufacture
methods
similar devices
filament lamps
filament
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR659304A publication Critical patent/FR659304A/en
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
    • H01J9/28—Manufacture of leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/20—Seals between parts of vessels
    • H01J5/22—Vacuum-tight joints between parts of vessel
    • H01J5/24—Vacuum-tight joints between parts of vessel between insulating parts of vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0037—Solid sealing members other than lamp bases
    • H01J2893/0038—Direct connection between two insulating elements, in particular via glass material
    • H01J2893/0039—Glass-to-glass connection, e.g. by soldering

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
FR659304D 1927-05-07 1928-05-07 Improvements in methods and apparatus for the manufacture of filament lamps and similar devices Expired FR659304A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US189514A US1788957A (en) 1927-05-07 1927-05-07 Method and apparatus for making incandescent lamps and similar articles

Publications (1)

Publication Number Publication Date
FR659304A true FR659304A (en) 1929-06-27

Family

ID=22697646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659304D Expired FR659304A (en) 1927-05-07 1928-05-07 Improvements in methods and apparatus for the manufacture of filament lamps and similar devices

Country Status (3)

Country Link
US (1) US1788957A (en)
FR (1) FR659304A (en)
GB (1) GB290165A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434664A (en) * 1942-11-09 1948-01-20 Gen Electric Sealing-in machine
US2726917A (en) * 1952-03-28 1955-12-13 Gen Electric Lamp sealing and exhausting machine with precision focusing apparatus

Also Published As

Publication number Publication date
US1788957A (en) 1931-01-13
GB290165A (en) 1929-03-28

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