GB693119A - Improvements in or relating to v-shaped electric lamp, discharge tube and like filaments - Google Patents

Improvements in or relating to v-shaped electric lamp, discharge tube and like filaments

Info

Publication number
GB693119A
GB693119A GB22418/50A GB2241850A GB693119A GB 693119 A GB693119 A GB 693119A GB 22418/50 A GB22418/50 A GB 22418/50A GB 2241850 A GB2241850 A GB 2241850A GB 693119 A GB693119 A GB 693119A
Authority
GB
United Kingdom
Prior art keywords
filament
clamps
current supply
length
loop
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
GB22418/50A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB693119A publication Critical patent/GB693119A/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
    • H01K3/02—Manufacture of incandescent bodies
    • H01K3/04—Machines therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/06—Machines therefor
    • 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
    • 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
    • H01K3/06—Attaching of incandescent bodies to mount

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wire Processing (AREA)
GB22418/50A 1949-09-15 1950-09-12 Improvements in or relating to v-shaped electric lamp, discharge tube and like filaments Expired GB693119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL286267X 1949-09-15

Publications (1)

Publication Number Publication Date
GB693119A true GB693119A (en) 1953-06-24

Family

ID=19782531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22418/50A Expired GB693119A (en) 1949-09-15 1950-09-12 Improvements in or relating to v-shaped electric lamp, discharge tube and like filaments

Country Status (6)

Country Link
BE (1) BE498091A (enrdf_load_stackoverflow)
CH (1) CH286267A (enrdf_load_stackoverflow)
DE (1) DE822573C (enrdf_load_stackoverflow)
FR (1) FR1024552A (enrdf_load_stackoverflow)
GB (1) GB693119A (enrdf_load_stackoverflow)
NL (2) NL74153C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE498091A (enrdf_load_stackoverflow)
NL148714B (nl)
NL74153C (enrdf_load_stackoverflow)
FR1024552A (fr) 1953-04-02
DE822573C (de) 1951-11-26
CH286267A (de) 1952-10-15

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