FR50323E - Perfectionnements aux projecteurs - Google Patents

Perfectionnements aux projecteurs

Info

Publication number
FR50323E
FR50323E FR50323DA FR50323E FR 50323 E FR50323 E FR 50323E FR 50323D A FR50323D A FR 50323DA FR 50323 E FR50323 E FR 50323E
Authority
FR
France
Prior art keywords
refinements
projector
projector refinements
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 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 FR50323E publication Critical patent/FR50323E/fr
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
FR50323D 1939-03-29 1939-03-29 Perfectionnements aux projecteurs Expired FR50323E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR50323T 1939-03-29

Publications (1)

Publication Number Publication Date
FR50323E true FR50323E (fr) 1940-03-16

Family

ID=8685340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50323D Expired FR50323E (fr) 1939-03-29 1939-03-29 Perfectionnements aux projecteurs

Country Status (1)

Country Link
FR (1) FR50323E (fr)

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