DE211572C - - Google Patents

Info

Publication number
DE211572C
DE211572C DENDAT211572D DE211572DA DE211572C DE 211572 C DE211572 C DE 211572C DE NDAT211572 D DENDAT211572 D DE NDAT211572D DE 211572D A DE211572D A DE 211572DA DE 211572 C DE211572 C DE 211572C
Authority
DE
Germany
Prior art keywords
filaments
distorting
annealing
quartz
threads
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.)
Active
Application number
DENDAT211572D
Other languages
German (de)
English (en)
Publication of DE211572C publication Critical patent/DE211572C/de
Active legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
DENDAT211572D Active DE211572C (enExample)

Publications (1)

Publication Number Publication Date
DE211572C true DE211572C (enExample)

Family

ID=473369

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT211572D Active DE211572C (enExample)

Country Status (1)

Country Link
DE (1) DE211572C (enExample)

Similar Documents

Publication Publication Date Title
ES2056258T3 (es) Procedimiento de deshidrogenacion.
KR920019401A (ko) 촉매 반응장치
MX165520B (es) Aparato y metodo para liberar un gas hacia la atmosfera
ES8704750A1 (es) Procedimiento para la eliminacion selectiva de oxidos de nitrogeno a partir de gases de escape
DE200816C (enExample)
GB242303A (en) Process and machine for the manufacture of incandescent lamps, thermionic valves and like apparatus
GB944827A (en) Incandescent lamp
DE20032C (de) Sicherheitsverschlufs an Benzinleuchtern
DE168595C (enExample)
DE90306C (enExample)
DE19732C (de) Vorrichtung zum Vorwärmen der Verbrennungsluft an Doppelcylinderlampen
GB318933A (enExample)
DE219599C (enExample)
GB929596A (en) Method for the production of incandescent lamp filaments
DE1434619U (enExample)
US298141A (en) Method of testing carbon conductors for incandescent lamps
DE330821C (de) Aus Quecksilberdampf-, Metall- und Kohlenfadenlampen zusammengesetzter Beleuchtungs- und Bestrahlungsapparat
DE14532C (de) Lampencylinder mit Kappe
SU3705A1 (ru) Способ и приспособление дл регенерации электрических ламп накаливани и катодных
DE9740C (de) Brenner für Petroleumlampen mit dreifachem Luftzug und doppelt koncentrischem Runddocht resp. Runddocht mit innerem Flachdochf
DE102867A (enExample)
DE552547C (de) Gasgefuellte elektrische Bogenlampe
DE280636C (enExample)
DE204615C (enExample)
DE320097C (de) Elektrische, mit einer Gasfuellung versehene Gluehlampe mit einem isolierenden Traeger fuer die Leuchtdraehte, insbesondere solche aus Wolfram