DE542999C - Elektrische Gluehlampe mit flaechenfoermigem Leuchtkoerper aus Folien schwer schmelzbarer Metalle - Google Patents

Elektrische Gluehlampe mit flaechenfoermigem Leuchtkoerper aus Folien schwer schmelzbarer Metalle

Info

Publication number
DE542999C
DE542999C DEB144980D DEB0144980D DE542999C DE 542999 C DE542999 C DE 542999C DE B144980 D DEB144980 D DE B144980D DE B0144980 D DEB0144980 D DE B0144980D DE 542999 C DE542999 C DE 542999C
Authority
DE
Germany
Prior art keywords
incandescent lamp
electric incandescent
screen
foils
difficult
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
DEB144980D
Other languages
German (de)
English (en)
Inventor
Walter Berger
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to DEB144980D priority Critical patent/DE542999C/de
Priority to NL50160A priority patent/NL28306C/xx
Priority to BE369011D priority patent/BE369011A/fr
Priority to FR696927D priority patent/FR696927A/fr
Application granted granted Critical
Publication of DE542999C publication Critical patent/DE542999C/de
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02Softening water by precipitation of the hardness
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02Softening water by precipitation of the hardness
    • C02F5/025Hot-water softening devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/02Incandescent bodies
    • H01K1/04Incandescent bodies characterised by the material thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/02Incandescent bodies
    • H01K1/14Incandescent bodies characterised by the shape

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
DEB144980D 1929-08-02 1929-08-02 Elektrische Gluehlampe mit flaechenfoermigem Leuchtkoerper aus Folien schwer schmelzbarer Metalle Expired DE542999C (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DEB144980D DE542999C (de) 1929-08-02 1929-08-02 Elektrische Gluehlampe mit flaechenfoermigem Leuchtkoerper aus Folien schwer schmelzbarer Metalle
NL50160A NL28306C (enrdf_load_stackoverflow) 1929-08-02 1930-02-06
BE369011D BE369011A (enrdf_load_stackoverflow) 1929-08-02 1930-03-29
FR696927D FR696927A (fr) 1929-08-02 1930-04-28 Lampe électrique à incandescence, à corps éclairant en forme de surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB144980D DE542999C (de) 1929-08-02 1929-08-02 Elektrische Gluehlampe mit flaechenfoermigem Leuchtkoerper aus Folien schwer schmelzbarer Metalle

Publications (1)

Publication Number Publication Date
DE542999C true DE542999C (de) 1932-01-30

Family

ID=7000923

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB144980D Expired DE542999C (de) 1929-08-02 1929-08-02 Elektrische Gluehlampe mit flaechenfoermigem Leuchtkoerper aus Folien schwer schmelzbarer Metalle

Country Status (4)

Country Link
BE (1) BE369011A (enrdf_load_stackoverflow)
DE (1) DE542999C (enrdf_load_stackoverflow)
FR (1) FR696927A (enrdf_load_stackoverflow)
NL (1) NL28306C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL28306C (enrdf_load_stackoverflow) 1932-11-15
FR696927A (fr) 1931-01-09
BE369011A (enrdf_load_stackoverflow) 1930-04-30

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