FR652376A - Incandescent light bulb - Google Patents

Incandescent light bulb

Info

Publication number
FR652376A
FR652376A FR652376DA FR652376A FR 652376 A FR652376 A FR 652376A FR 652376D A FR652376D A FR 652376DA FR 652376 A FR652376 A FR 652376A
Authority
FR
France
Prior art keywords
light bulb
incandescent light
incandescent
bulb
light
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)
Inventor
Wilhelm Nierhauve
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 filed Critical
Application granted granted Critical
Publication of FR652376A publication Critical patent/FR652376A/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
FR652376D 1928-04-07 1928-04-07 Incandescent light bulb Expired FR652376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR652376T 1928-04-07

Publications (1)

Publication Number Publication Date
FR652376A true FR652376A (en) 1929-03-07

Family

ID=9005193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR652376D Expired FR652376A (en) 1928-04-07 1928-04-07 Incandescent light bulb

Country Status (1)

Country Link
FR (1) FR652376A (en)

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