AT316686B - Tungsten incandescent bodies containing foreign matter, as well as a method for its production - Google Patents

Tungsten incandescent bodies containing foreign matter, as well as a method for its production

Info

Publication number
AT316686B
AT316686B AT800072A AT800072A AT316686B AT 316686 B AT316686 B AT 316686B AT 800072 A AT800072 A AT 800072A AT 800072 A AT800072 A AT 800072A AT 316686 B AT316686 B AT 316686B
Authority
AT
Austria
Prior art keywords
production
well
foreign matter
containing foreign
bodies containing
Prior art date
Application number
AT800072A
Other languages
German (de)
Inventor
Tivadar Millner Dr
Laszlo Bartha Dr
Jenoe Neugebauer Dr
Original Assignee
Egyesuelt Izzolampa
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 Egyesuelt Izzolampa filed Critical Egyesuelt Izzolampa
Application granted granted Critical
Publication of AT316686B publication Critical patent/AT316686B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • H01K1/10—Bodies of metal or carbon combined with other substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/045—Alloys based on refractory metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Radiation-Therapy Devices (AREA)
AT800072A 1972-03-16 1972-09-18 Tungsten incandescent bodies containing foreign matter, as well as a method for its production AT316686B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUMA2339A HU163582B (en) 1972-03-16 1972-03-16

Publications (1)

Publication Number Publication Date
AT316686B true AT316686B (en) 1974-07-25

Family

ID=10998565

Family Applications (1)

Application Number Title Priority Date Filing Date
AT800072A AT316686B (en) 1972-03-16 1972-09-18 Tungsten incandescent bodies containing foreign matter, as well as a method for its production

Country Status (7)

Country Link
US (1) US3853492A (en)
AT (1) AT316686B (en)
DE (1) DE2246092A1 (en)
FR (1) FR2221812B1 (en)
GB (1) GB1397865A (en)
HU (1) HU163582B (en)
NL (1) NL7303655A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2839542B2 (en) * 1989-04-05 1998-12-16 株式会社東芝 Vibration-resistant tungsten wire, filament and halogen bulb using the same
US5019330A (en) * 1990-08-03 1991-05-28 General Electric Company Method of forming improved tungsten ingots
US6165412A (en) * 1999-09-07 2000-12-26 Osram Sylvania Inc. Method of making non-sag tungsten wire for electric lamps
US6129890A (en) * 1999-09-07 2000-10-10 Osram Sylvania Inc. Method of making non-sag tungsten wire

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948609A (en) * 1960-08-09 Manufacture of metal articles from
US1602526A (en) * 1922-09-15 1926-10-12 Westinghouse Lamp Co Control of crystal development in refractory metals
GB258642A (en) * 1925-06-20 1926-09-20 Edison Swan Electric Co Ltd Improvements in and relating to tungsten wire
GB427757A (en) * 1933-05-19 1935-04-30 Yukitoshi Sakakura Incandescence bodies and methods of making the same for use as filaments of incandescent electric lamps and for other purposes
NL132462C (en) * 1963-09-20
DE1533395A1 (en) * 1966-03-11 1969-12-18 Tokvo Shibaura Electric Co Ltd Tungsten materials with improved flexibility, method of processing them and components made from these materials
US3475159A (en) * 1967-01-16 1969-10-28 Dow Chemical Co Method for preparing tungsten powders doped with refractory metal oxides
US3682720A (en) * 1970-03-19 1972-08-08 Sylvania Electric Prod Manufacture of substantially non-sagging refractory metal wire
US3798008A (en) * 1972-09-12 1974-03-19 Egyesuelt Izzolampa Retentive tungsten body containing 20{14 50 ppm titanium and/or zirconium

Also Published As

Publication number Publication date
NL7303655A (en) 1973-09-18
FR2221812A1 (en) 1974-10-11
US3853492A (en) 1974-12-10
FR2221812B1 (en) 1976-11-05
HU163582B (en) 1973-09-27
DE2246092A1 (en) 1973-09-27
GB1397865A (en) 1975-06-18

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