DE3582145D1 - Wolframhalogengluehlampen. - Google Patents

Wolframhalogengluehlampen.

Info

Publication number
DE3582145D1
DE3582145D1 DE8585309290T DE3582145T DE3582145D1 DE 3582145 D1 DE3582145 D1 DE 3582145D1 DE 8585309290 T DE8585309290 T DE 8585309290T DE 3582145 T DE3582145 T DE 3582145T DE 3582145 D1 DE3582145 D1 DE 3582145D1
Authority
DE
Germany
Prior art keywords
light bulbs
halogen light
tungsten halogen
tungsten
bulbs
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 - Lifetime
Application number
DE8585309290T
Other languages
English (en)
Inventor
Joseph Harry Pochin
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Application granted granted Critical
Publication of DE3582145D1 publication Critical patent/DE3582145D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/047—Re-forming tubes or rods by drawing
    • C03B23/0473—Re-forming tubes or rods by drawing for forming constrictions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00—Re-forming shaped glass
    • C03B23/04—Re-forming tubes or rods
    • C03B23/11—Reshaping by drawing without blowing, in combination with separating, e.g. for making ampoules
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Resistance Heating (AREA)
DE8585309290T 1985-01-09 1985-12-19 Wolframhalogengluehlampen. Expired - Lifetime DE3582145D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858500511A GB8500511D0 (en) 1985-01-09 1985-01-09 Tungsten halogen incandescent lamp

Publications (1)

Publication Number Publication Date
DE3582145D1 true DE3582145D1 (de) 1991-04-18

Family

ID=10572595

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585309290T Expired - Lifetime DE3582145D1 (de) 1985-01-09 1985-12-19 Wolframhalogengluehlampen.

Country Status (3)

Country Link
EP (1) EP0187507B1 (de)
DE (1) DE3582145D1 (de)
GB (1) GB8500511D0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6093999A (en) * 1997-04-28 2000-07-25 Osram Sylvania Inc. Vehicle lamp with shaped envelope interior providing a light-trapping dome
DE102013107607B4 (de) 2013-07-17 2017-09-21 Schott Ag Verfahren zum Herstellen von Glasfläschchen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1489467C3 (de) * 1965-09-17 1975-06-12 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh, 8000 Muenchen Verfahren zum Herstellen von Glühlampen mit einem Zusatz von gasförmigen Halogenen zum Füllgas und danach hergestellte Glühlampen
US3496401A (en) * 1965-12-30 1970-02-17 Corning Glass Works Glass envelopes for iodine cycle incandescent lamps
DE2009916C2 (de) * 1970-03-03 1985-05-30 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Halogenglühlampe

Also Published As

Publication number Publication date
GB8500511D0 (en) 1985-02-13
EP0187507A3 (en) 1988-11-17
EP0187507A2 (de) 1986-07-16
EP0187507B1 (de) 1991-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee