FR856896A - Perfectionnement apporté aux lampes à incandescence et aux tubes à décharges - Google Patents

Perfectionnement apporté aux lampes à incandescence et aux tubes à décharges

Info

Publication number
FR856896A
FR856896A FR856896DA FR856896A FR 856896 A FR856896 A FR 856896A FR 856896D A FR856896D A FR 856896DA FR 856896 A FR856896 A FR 856896A
Authority
FR
France
Prior art keywords
further development
incandescent lamps
discharge tubes
tubes
incandescent
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)
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR856896A publication Critical patent/FR856896A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • 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
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/07—Glass compositions containing silica with less than 40% silica by weight containing lead
    • C03C3/072—Glass compositions containing silica with less than 40% silica by weight containing lead containing boron

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Resistance Heating (AREA)
FR856896D 1938-06-27 1939-06-26 Perfectionnement apporté aux lampes à incandescence et aux tubes à décharges Expired FR856896A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE520624X 1938-06-27

Publications (1)

Publication Number Publication Date
FR856896A true FR856896A (fr) 1940-08-13

Family

ID=6551121

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856896D Expired FR856896A (fr) 1938-06-27 1939-06-26 Perfectionnement apporté aux lampes à incandescence et aux tubes à décharges

Country Status (5)

Country Link
US (1) US2210489A (enrdf_load_stackoverflow)
BE (1) BE435108A (enrdf_load_stackoverflow)
FR (1) FR856896A (enrdf_load_stackoverflow)
GB (1) GB520624A (enrdf_load_stackoverflow)
NL (1) NL53900C (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508354A (en) * 1944-10-21 1950-05-23 Bendix Aviat Corp Spark plug or the like
US2643020A (en) * 1946-03-04 1953-06-23 Corning Glass Works Soft glass and composite article
GB649600A (en) * 1948-05-05 1951-01-31 Gen Electric Co Ltd Improvements in or relating to glass solders
US2617220A (en) * 1948-09-21 1952-11-11 Marine Aircraft Corp Paneled display for airplane wing surfaces
US2567415A (en) * 1948-09-30 1951-09-11 Bell Telephone Labor Inc Grid assembly and method of fabrication
US2770923A (en) * 1951-09-04 1956-11-20 Corning Glass Works Internal glass-to-metal seal
US3218184A (en) * 1956-05-28 1965-11-16 Jerome H Lemelson Apparatus and method for coating pipe
US3297188A (en) * 1964-05-14 1967-01-10 William R Aiken Envelope for cathode ray tubes
US3507646A (en) * 1965-12-27 1970-04-21 Xerox Corp Electrophotographic process using a single phase photoconductive glass imaging layer
US3519161A (en) * 1968-08-14 1970-07-07 Owens Illinois Inc Implosion-resistant cathode-ray tube and method of making
US3923530A (en) * 1973-06-27 1975-12-02 Ibm Dielectric glass composition
US4018613A (en) * 1976-02-06 1977-04-19 Corning Glass Works Diode encapsulation glass
US4224627A (en) * 1979-06-28 1980-09-23 International Business Machines Corporation Seal glass for nozzle assemblies of an ink jet printer
GB8604117D0 (en) * 1986-02-19 1986-03-26 Mclauchlan R A Light tube protector
US6652127B2 (en) 2002-02-19 2003-11-25 Michael A. Tarabula Light unit shield device

Also Published As

Publication number Publication date
NL53900C (enrdf_load_stackoverflow)
US2210489A (en) 1940-08-06
GB520624A (en) 1940-04-29
BE435108A (enrdf_load_stackoverflow)

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