FR766990A - Nouvelle ampoule électrique pour lampes et projecteurs - Google Patents

Nouvelle ampoule électrique pour lampes et projecteurs

Info

Publication number
FR766990A
FR766990A FR766990DA FR766990A FR 766990 A FR766990 A FR 766990A FR 766990D A FR766990D A FR 766990DA FR 766990 A FR766990 A FR 766990A
Authority
FR
France
Prior art keywords
spotlights
lamps
new electric
electric bulb
bulb
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
English (en)
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.)
LEO LEVY ETS
Original Assignee
LEO LEVY ETS
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 LEO LEVY ETS filed Critical LEO LEVY ETS
Application granted granted Critical
Publication of FR766990A publication Critical patent/FR766990A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/02—Compositions for glass with special properties for coloured glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Glass Compositions (AREA)
FR766990D 1933-04-04 1933-04-04 Nouvelle ampoule électrique pour lampes et projecteurs Expired FR766990A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR766990T 1933-04-04

Publications (1)

Publication Number Publication Date
FR766990A true FR766990A (fr) 1934-07-07

Family

ID=9183616

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766990D Expired FR766990A (fr) 1933-04-04 1933-04-04 Nouvelle ampoule électrique pour lampes et projecteurs

Country Status (3)

Country Link
FR (1) FR766990A (fr)
GB (1) GB436221A (fr)
NL (1) NL41691C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115657B (de) * 1959-07-21 1961-10-19 Leonhard Braeuer Dipl Ing Blendschutz, insbesondere fuer Flugzeugfuehrerkanzeln

Also Published As

Publication number Publication date
GB436221A (en) 1935-10-03
NL41691C (fr)

Similar Documents

Publication Publication Date Title
FR44536E (fr) Nouvelle ampoule électrique pour lampes et projecteurs
FR782391A (fr) Lampe électrique
FR782179A (fr) Lampe électrique
FR43925E (fr) Nouvelle ampoule électrique pour lampes et projecteurs
FR801418A (fr) Lampe électrique
FR800793A (fr) Lampes électriques
FR782358A (fr) Lampe électrique
FR829567A (fr) Lampe électrique
FR793564A (fr) Lampe électrique
FR780331A (fr) Douille porte-lampe pour ampoules électriques
FR777504A (fr) Lampe électrique à incandescence pour mines
FR777512A (fr) Réflecteur électrique pour éclairage général et phares
FR771351A (fr) Lampe électrique
FR44280E (fr) Lampe électrique
FR750323A (fr) Lampe électrique
FR753266A (fr) Filament pour lampes électriques
FR761778A (fr) Ampoule pour lampes électriques à incandescence
FI15568A (fi) Sähkö-hehkulamppu
FI15168A (fi) Elektrisk glödlampa
FR45209E (fr) Abat-jour réflecteur pour lampes électriques portatives
FR783592A (fr) Lampe d'éclairage électrique
FR793581A (fr) Lampe électrique
FR809080A (fr) Lampe électrique
FR740339A (fr) Lanterne pour éclairage électrique
FR845726A (fr) Nouvelle ampoule électrique sélective et antidiffusante pour lampes et projecteurs