AT39222B - Process for the manufacture of electric light bulbs. - Google Patents

Process for the manufacture of electric light bulbs.

Info

Publication number
AT39222B
AT39222B AT39222DA AT39222B AT 39222 B AT39222 B AT 39222B AT 39222D A AT39222D A AT 39222DA AT 39222 B AT39222 B AT 39222B
Authority
AT
Austria
Prior art keywords
manufacture
electric light
light bulbs
filaments
melted
Prior art date
Application number
Other languages
German (de)
Original Assignee
Allg Elek Zitaets Ges
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
Priority claimed from DE1908205201D external-priority patent/DE205201C/de
Application filed by Allg Elek Zitaets Ges filed Critical Allg Elek Zitaets Ges
Application granted granted Critical
Publication of AT39222B publication Critical patent/AT39222B/en

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Description

  

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Claims (1)

PATENT-ANSPRUCH : Verfahren zum Herstellen von elektrischen Glühlampen, wobei die Fäden in Glasglocken eingeschmolzen und diese dann entlüftet werden, dadurch gekennzeichnet, dass die Glasglocken nach dem Einschmelzen der Lampenfüsse, auf welchen die Glühfäden be- festigt sind, noch heiss auf die Pumpen aufgesetzt bzw. in den Vorheizofen gebracht worden. PATENT CLAIM: A method for producing electric incandescent lamps, the filaments being melted into glass bells and these are then vented, characterized in that the glass bells are placed on or in the pumps while the lamp bases on which the filaments are attached have melted down Preheating oven has been brought.
AT39222D 1908-01-09 1908-12-28 Process for the manufacture of electric light bulbs. AT39222B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1908205201D DE205201C (en) 1908-01-09

Publications (1)

Publication Number Publication Date
AT39222B true AT39222B (en) 1909-10-11

Family

ID=5785917

Family Applications (1)

Application Number Title Priority Date Filing Date
AT39222D AT39222B (en) 1908-01-09 1908-12-28 Process for the manufacture of electric light bulbs.

Country Status (1)

Country Link
AT (1) AT39222B (en)

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