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FR523459A - Improvement in the construction of incandescent lamps - Google Patents

Improvement in the construction of incandescent lamps

Info

Publication number
FR523459A
FR523459A FR523459A FR523459DA FR523459A FR 523459 A FR523459 A FR 523459A FR 523459 A FR523459 A FR 523459A FR 523459D A FR523459D A FR 523459DA FR 523459 A FR523459 A FR 523459A
Authority
FR
France
Prior art keywords
improvement
construction
incandescent lamps
incandescent
lamps
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
FR523459A
Other languages
French (fr)
Inventor
Franc Bergery
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR523459A publication Critical patent/FR523459A/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
    • H01J5/30—Vacuum-tight joints between parts of vessel using packing-material, e.g. sealing-liquid or elastic insert
    • 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
    • H01J2893/0047—Closure other than lamp base
FR523459A 1920-01-29 1920-01-29 Improvement in the construction of incandescent lamps Expired FR523459A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR523459T 1920-01-29

Publications (1)

Publication Number Publication Date
FR523459A true FR523459A (en) 1921-08-18

Family

ID=8918624

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523459A Expired FR523459A (en) 1920-01-29 1920-01-29 Improvement in the construction of incandescent lamps

Country Status (1)

Country Link
FR (1) FR523459A (en)

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