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 (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
DE211572C true DE211572C (cg-RX-API-DMAC10.html)

Family

ID=473369

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT211572D Active DE211572C (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
DE (1) DE211572C (cg-RX-API-DMAC10.html)

Similar Documents

Publication Publication Date Title
DE211572C (cg-RX-API-DMAC10.html)
MX165520B (es) Aparato y metodo para liberar un gas hacia la atmosfera
ES2047160T3 (es) Metodo y aparato de inspeccion de fugas de helio en las barras de combustible nuclear.
DE200816C (cg-RX-API-DMAC10.html)
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
DE90306C (cg-RX-API-DMAC10.html)
DE19732C (de) Vorrichtung zum Vorwärmen der Verbrennungsluft an Doppelcylinderlampen
DE225346C (cg-RX-API-DMAC10.html)
GB318933A (cg-RX-API-DMAC10.html)
DE218333C (cg-RX-API-DMAC10.html)
GB929596A (en) Method for the production of incandescent lamp filaments
DE1434619U (cg-RX-API-DMAC10.html)
US298141A (en) Method of testing carbon conductors for incandescent lamps
DE330821C (de) Aus Quecksilberdampf-, Metall- und Kohlenfadenlampen zusammengesetzter Beleuchtungs- und Bestrahlungsapparat
DE152061C (cg-RX-API-DMAC10.html)
US1806410A (en) Electric incandescent body
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 (cg-RX-API-DMAC10.html)
DE552547C (de) Gasgefuellte elektrische Bogenlampe
DE139123C (cg-RX-API-DMAC10.html)
DE204615C (cg-RX-API-DMAC10.html)