SE8104865L - Glodlampa - Google Patents

Glodlampa

Info

Publication number
SE8104865L
SE8104865L SE8104865A SE8104865A SE8104865L SE 8104865 L SE8104865 L SE 8104865L SE 8104865 A SE8104865 A SE 8104865A SE 8104865 A SE8104865 A SE 8104865A SE 8104865 L SE8104865 L SE 8104865L
Authority
SE
Sweden
Prior art keywords
circle
filament
energy produced
coating
focal
Prior art date
Application number
SE8104865A
Other languages
Unknown language ( )
English (en)
Inventor
P Walsh
Original Assignee
Duro Test Corp
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 Duro Test Corp filed Critical Duro Test Corp
Publication of SE8104865L publication Critical patent/SE8104865L/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/14—Incandescent bodies characterised by the shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
    • H01K1/325—Reflecting coating

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Control Of Resistance Heating (AREA)
  • Fixing For Electrophotography (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
SE8104865A 1980-08-20 1981-08-17 Glodlampa SE8104865L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/179,718 US4379249A (en) 1980-08-20 1980-08-20 Incandescent lamp with ellipsoidal envelope and infrared reflector

Publications (1)

Publication Number Publication Date
SE8104865L true SE8104865L (sv) 1982-02-21

Family

ID=22657692

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8104865A SE8104865L (sv) 1980-08-20 1981-08-17 Glodlampa

Country Status (10)

Country Link
US (1) US4379249A (sv)
JP (1) JPS5772258A (sv)
CA (1) CA1165798A (sv)
CH (1) CH652531A5 (sv)
DE (2) DE8123238U1 (sv)
ES (1) ES504821A0 (sv)
FR (1) FR2489040B1 (sv)
GB (1) GB2082383B (sv)
MX (1) MX150055A (sv)
SE (1) SE8104865L (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4591752A (en) * 1983-10-14 1986-05-27 Duro-Test Corporation Incandescent lamp with high pressure rare gas filled tungsten-halogen element and transparent thick walled safety envelope
US4714857A (en) * 1986-04-21 1987-12-22 Duro-Test Corporation Infrared reflective lamp with envelope having straight sections
GB2246854B (en) * 1990-08-09 1993-07-21 Strand Lighting Ltd Lamps
DE19701792A1 (de) * 1997-01-20 1998-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Glühlampe mit Reflexionsschicht
DE19701794A1 (de) * 1997-01-20 1998-07-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Glühlampe mit Reflexionsschicht
DE19844519C2 (de) * 1998-09-28 2000-08-03 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Elektrische Glühlampe mit IR-Reflexionsschicht
JP2001006626A (ja) * 1999-06-22 2001-01-12 Koito Mfg Co Ltd 電球バルブ及び電球バルブのコーティング方法
CN1973353A (zh) * 2003-03-20 2007-05-30 皇家飞利浦电子股份有限公司 带有红外反射层的白炽电灯
DE10341503A1 (de) * 2003-09-05 2005-03-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Infrarotreflektor und Infrarotstrahler mit einem derartigen Infrarotreflektor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE303844C (sv) *
BE425306A (sv) * 1936-12-18
US2218346A (en) * 1938-07-08 1940-10-15 Spaeth Charles Gas-filled incandescent electric lamp
US4160929A (en) * 1977-03-25 1979-07-10 Duro-Test Corporation Incandescent light source with transparent heat mirror
US4283653A (en) * 1979-09-17 1981-08-11 Duro-Test Corporation High emissivity filament for energy conserving incandescent lamps with infrared radiation returning envelopes

Also Published As

Publication number Publication date
JPS5772258A (en) 1982-05-06
GB2082383A (en) 1982-03-03
US4379249A (en) 1983-04-05
FR2489040A1 (fr) 1982-02-26
DE3131326A1 (de) 1982-04-29
CA1165798A (en) 1984-04-17
GB2082383B (en) 1983-11-09
CH652531A5 (de) 1985-11-15
FR2489040B1 (fr) 1985-08-16
DE8123238U1 (de) 1984-10-11
MX150055A (es) 1984-03-05
ES8204561A1 (es) 1982-05-16
ES504821A0 (es) 1982-05-16

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8104865-4

Effective date: 19871229