GB468449A - Improvements in or relating to the manufacture of double or multiple helical tungsten incandescent bodies - Google Patents

Improvements in or relating to the manufacture of double or multiple helical tungsten incandescent bodies

Info

Publication number
GB468449A
GB468449A GB451/36A GB45136A GB468449A GB 468449 A GB468449 A GB 468449A GB 451/36 A GB451/36 A GB 451/36A GB 45136 A GB45136 A GB 45136A GB 468449 A GB468449 A GB 468449A
Authority
GB
United Kingdom
Prior art keywords
per cent
tungsten
cores
core
hydrogen
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
GB451/36A
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB468449A publication Critical patent/GB468449A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Resistance Heating (AREA)
GB451/36A 1935-01-07 1936-01-06 Improvements in or relating to the manufacture of double or multiple helical tungsten incandescent bodies Expired GB468449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU468449X 1935-01-07

Publications (1)

Publication Number Publication Date
GB468449A true GB468449A (en) 1937-07-06

Family

ID=10979270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB451/36A Expired GB468449A (en) 1935-01-07 1936-01-06 Improvements in or relating to the manufacture of double or multiple helical tungsten incandescent bodies

Country Status (2)

Country Link
BE (1) BE413156A (enrdf_load_stackoverflow)
GB (1) GB468449A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439913A (en) * 1941-10-28 1948-04-20 Gen Electric Method of treating coiled tungsten filaments
EP0849770A3 (de) * 1996-12-20 1999-06-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zur Herstellung von helikal gewickelten Wendelkörpern und Wendelkörper, die nach dieser Methode hergestellt sind
CN105047523A (zh) * 2015-06-15 2015-11-11 成都凯赛尔电子有限公司 一种灯丝定型的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439913A (en) * 1941-10-28 1948-04-20 Gen Electric Method of treating coiled tungsten filaments
EP0849770A3 (de) * 1996-12-20 1999-06-09 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zur Herstellung von helikal gewickelten Wendelkörpern und Wendelkörper, die nach dieser Methode hergestellt sind
CN105047523A (zh) * 2015-06-15 2015-11-11 成都凯赛尔电子有限公司 一种灯丝定型的方法

Also Published As

Publication number Publication date
BE413156A (enrdf_load_stackoverflow)

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