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GB1191247A - Incandescent Lamp - Google Patents

Incandescent Lamp

Info

Publication number
GB1191247A
GB1191247A GB50570/68A GB5057068A GB1191247A GB 1191247 A GB1191247 A GB 1191247A GB 50570/68 A GB50570/68 A GB 50570/68A GB 5057068 A GB5057068 A GB 5057068A GB 1191247 A GB1191247 A GB 1191247A
Authority
GB
United Kingdom
Prior art keywords
lead
quartz
coils
oct
connector
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
GB50570/68A
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.)
GTE Sylvania Inc
Original Assignee
Sylvania Electric Products Inc
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 Sylvania Electric Products Inc filed Critical Sylvania Electric Products Inc
Publication of GB1191247A publication Critical patent/GB1191247A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/18Mountings or supports for the incandescent body

Landscapes

  • Resistance Heating (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

1,191,247. Quartz-halogen lamp. SYLVANIA ELECTRIC PRODUCTS Inc. 24 Oct., 1968 [31 Oct., 1967], No. 50570/68. Heading H1F. A lamp has a quartz envelope 1 with two lead-ins 4 and 5 sealed in the pinch 2 of the envelope and passing through a quartz bridge 16. A coiled-coil filament 12 of tungsten is held under tension by locating the coils 10 and 14 in the respective end of the connector 6 and the lead-in 5. The filament is additionally supported by a tungsten wire 15. The coils 10 and 14 are crimped on to their mountings. Connector 6 is made of refractory metal and its upper end crimped to lead-in 4 and located in the tip-off 3.
GB50570/68A 1967-10-31 1968-10-24 Incandescent Lamp Expired GB1191247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68375567A 1967-10-31 1967-10-31

Publications (1)

Publication Number Publication Date
GB1191247A true GB1191247A (en) 1970-05-13

Family

ID=24745317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50570/68A Expired GB1191247A (en) 1967-10-31 1968-10-24 Incandescent Lamp

Country Status (3)

Country Link
US (1) US3497753A (en)
DE (1) DE6804136U (en)
GB (1) GB1191247A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143949A (en) * 1983-07-26 1985-02-20 Boc Group Plc Filament support
AU2005211529B2 (en) * 2005-02-18 2007-09-13 Lg Electronics Inc. Lamp

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS511649Y1 (en) * 1970-10-13 1976-01-19
US3930177A (en) * 1972-06-06 1975-12-30 Westinghouse Electric Corp Single-ended incandescent lamp having a simplified filament-mount
NL7400763A (en) * 1974-01-21 1975-07-23 Philips Nv ELECTRIC LIGHT BULB.
JPS5339108Y2 (en) * 1975-08-21 1978-09-21
US4297611A (en) * 1979-10-02 1981-10-27 Wagner Electric Corporation Control of tungsten filament erosion in a halogen lamp
DE3616673A1 (en) * 1986-05-16 1987-11-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HALOGEN BULB
US4973878A (en) * 1986-10-27 1990-11-27 North American Philips Lighting Corp. Filament structure and method of making such structure
DE8716797U1 (en) * 1987-12-21 1988-02-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Halogen bulb
US4994707A (en) * 1988-09-22 1991-02-19 Patent-Treuhand Gesellschaft fur elektrische Glum.b.H. Vibration-resistant single-ended halogen incandescent lamp
JP3729285B2 (en) * 1994-12-21 2005-12-21 東芝ライテック株式会社 Incandescent light bulb and lighting device
JP3771322B2 (en) * 1996-06-04 2006-04-26 本田技研工業株式会社 Automotive bulb
DE10017696B4 (en) 2000-04-08 2006-05-11 Schott Ag Transparent cover of the radiation source of luminaires

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403280A (en) * 1966-03-04 1968-09-24 Gen Electric Single-ended electric incandescent lamp filament support

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143949A (en) * 1983-07-26 1985-02-20 Boc Group Plc Filament support
AU2005211529B2 (en) * 2005-02-18 2007-09-13 Lg Electronics Inc. Lamp
US7705526B2 (en) 2005-02-18 2010-04-27 Lg Electronics Inc. Lamp with twisted filament structure

Also Published As

Publication number Publication date
US3497753A (en) 1970-02-24
DE6804136U (en) 1969-04-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee