GB538197A - Process for the manufacture of frames for electric incandescent lamps with hard glass or quartz glass bulbs - Google Patents

Process for the manufacture of frames for electric incandescent lamps with hard glass or quartz glass bulbs

Info

Publication number
GB538197A
GB538197A GB1384/40A GB138440A GB538197A GB 538197 A GB538197 A GB 538197A GB 1384/40 A GB1384/40 A GB 1384/40A GB 138440 A GB138440 A GB 138440A GB 538197 A GB538197 A GB 538197A
Authority
GB
United Kingdom
Prior art keywords
quartz glass
molybdenum
bulb
hydrogen
per cent
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
GB1384/40A
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Publication of GB538197A publication Critical patent/GB538197A/en
Expired 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
    • H01K3/08—Manufacture of mounts or stems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
    • H01J19/50—Spacing members extending to the envelope
    • 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
    • H01J5/32—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0002—Construction arrangements of electrode systems
    • H01J2893/0005—Fixing of electrodes
    • H01J2893/0008—Supply leads; Electrode supports via rigid connection to vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)
GB1384/40A 1939-02-20 1940-01-23 Process for the manufacture of frames for electric incandescent lamps with hard glass or quartz glass bulbs Expired GB538197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215012X 1939-02-20

Publications (1)

Publication Number Publication Date
GB538197A true GB538197A (en) 1941-07-24

Family

ID=5821754

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1384/40A Expired GB538197A (en) 1939-02-20 1940-01-23 Process for the manufacture of frames for electric incandescent lamps with hard glass or quartz glass bulbs

Country Status (7)

Country Link
BE (1) BE437792A (tr)
CH (1) CH215012A (tr)
ES (1) ES147929A1 (tr)
FR (1) FR863174A (tr)
GB (1) GB538197A (tr)
IT (1) IT380615A (tr)
NL (1) NL53246C (tr)

Also Published As

Publication number Publication date
BE437792A (tr)
IT380615A (tr)
ES147929A1 (es) 1941-10-01
NL53246C (tr)
FR863174A (fr) 1941-03-25
CH215012A (de) 1941-05-31

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