FR618370A - Improvements to incandescent lamps and similar devices - Google Patents

Improvements to incandescent lamps and similar devices

Info

Publication number
FR618370A
FR618370A FR618370DA FR618370A FR 618370 A FR618370 A FR 618370A FR 618370D A FR618370D A FR 618370DA FR 618370 A FR618370 A FR 618370A
Authority
FR
France
Prior art keywords
similar devices
incandescent lamps
incandescent
lamps
similar
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 FR618370A publication Critical patent/FR618370A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
FR618370D 1925-06-28 1926-06-24 Improvements to incandescent lamps and similar devices Expired FR618370A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US618370XA 1925-06-28 1925-06-28

Publications (1)

Publication Number Publication Date
FR618370A true FR618370A (en) 1927-03-08

Family

ID=22038449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR618370D Expired FR618370A (en) 1925-06-28 1926-06-24 Improvements to incandescent lamps and similar devices

Country Status (1)

Country Link
FR (1) FR618370A (en)

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