FR938645A - Improvements to methods and equipment for sealing glass envelopes - Google Patents

Improvements to methods and equipment for sealing glass envelopes

Info

Publication number
FR938645A
FR938645A FR938645DA FR938645A FR 938645 A FR938645 A FR 938645A FR 938645D A FR938645D A FR 938645DA FR 938645 A FR938645 A FR 938645A
Authority
FR
France
Prior art keywords
equipment
methods
sealing glass
glass envelopes
envelopes
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 FR938645A publication Critical patent/FR938645A/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
FR938645D 1942-03-13 1946-10-09 Improvements to methods and equipment for sealing glass envelopes Expired FR938645A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US938645XA 1942-03-13 1942-03-13

Publications (1)

Publication Number Publication Date
FR938645A true FR938645A (en) 1948-10-20

Family

ID=22241331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938645D Expired FR938645A (en) 1942-03-13 1946-10-09 Improvements to methods and equipment for sealing glass envelopes

Country Status (1)

Country Link
FR (1) FR938645A (en)

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