GB837181A - Improvements in or relating to methods of manufacturing helically wound filaments - Google Patents

Improvements in or relating to methods of manufacturing helically wound filaments

Info

Publication number
GB837181A
GB837181A GB11943/58A GB1194358A GB837181A GB 837181 A GB837181 A GB 837181A GB 11943/58 A GB11943/58 A GB 11943/58A GB 1194358 A GB1194358 A GB 1194358A GB 837181 A GB837181 A GB 837181A
Authority
GB
United Kingdom
Prior art keywords
filament
cathode
relating
methods
helices
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
GB11943/58A
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
Koninklijke Philips NV
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Electrical Industries Ltd
Publication of GB837181A publication Critical patent/GB837181A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
    • F16D3/72—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts
    • F16D3/74—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members with axially-spaced attachments to the coupling parts the intermediate member or members being made of rubber or other rubber-like flexible material
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microwave Tubes (AREA)
GB11943/58A 1957-04-16 1958-04-15 Improvements in or relating to methods of manufacturing helically wound filaments Expired GB837181A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL216412A NL91906C (enExample) 1957-04-16 1957-04-16

Publications (1)

Publication Number Publication Date
GB837181A true GB837181A (en) 1960-06-09

Family

ID=19843191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11943/58A Expired GB837181A (en) 1957-04-16 1958-04-15 Improvements in or relating to methods of manufacturing helically wound filaments

Country Status (5)

Country Link
BE (1) BE566766A (enExample)
DE (1) DE1070741B (enExample)
FR (1) FR1194694A (enExample)
GB (1) GB837181A (enExample)
NL (1) NL91906C (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077001A (en) * 1961-06-24 1963-02-12 Yoshida Kogyo Kk Apparatus for manufacturing coiled interlocking elements for slide fasteners

Also Published As

Publication number Publication date
FR1194694A (fr) 1959-11-12
DE1070741B (enExample) 1960-06-02
BE566766A (fr) 1958-10-14
NL91906C (enExample) 1959-07-17

Similar Documents

Publication Publication Date Title
GB521850A (en) Improvements in and relating to thermionic electrodes for electric discharge devices
US3178665A (en) Electrical heating element
GB837181A (en) Improvements in or relating to methods of manufacturing helically wound filaments
US2923873A (en) Multi-speed salient pole universal motor with split-wound field
US2371205A (en) Coiled
US2394474A (en) Coiled filament or cathode and its manufacture
US3044150A (en) Winding of stator coils
US2014539A (en) Electron tube
US2589521A (en) Heater
US2222021A (en) Oxide cathode
GB1080606A (en) Improvements in or relating to arc lamps
US2554648A (en) Circuit arrangement for electric discharge lamps
US3350605A (en) Transformer with two-part core for fluorescent lamp circuits
US2527799A (en) Filament structure
US1992550A (en) Vacuum tube
GB433437A (en) Improvements in electric discharge tubes
US2337379A (en) Circuit arrangement for gaseous discharge tubes
GB736542A (en) Improvements relating to thermionic cathodes
US1780033A (en) Vacuum tube
US1905872A (en) Thermionic valve
AT156515B (de) Mittelbar geheizte Kathode für elektrische Entladungsgefäße.
US1456504A (en) Electrode supporting device
GB891913A (en) Thermionic valve cathode
AT157640B (de) Entladungsröhre mit Metallkolben mit einer Einrichtung zum Gettern.
US3206586A (en) Method and apparatus for welding a grid frame