GB1370088A - Electric incandescent lamp - Google Patents

Electric incandescent lamp

Info

Publication number
GB1370088A
GB1370088A GB4247073A GB4247073A GB1370088A GB 1370088 A GB1370088 A GB 1370088A GB 4247073 A GB4247073 A GB 4247073A GB 4247073 A GB4247073 A GB 4247073A GB 1370088 A GB1370088 A GB 1370088A
Authority
GB
United Kingdom
Prior art keywords
support
springs
filament
transverse support
longitudinal
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
GB4247073A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1370088A publication Critical patent/GB1370088A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body

Landscapes

  • Resistance Heating (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB4247073A 1972-09-13 1973-09-10 Electric incandescent lamp Expired GB1370088A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7212381A NL7212381A (fr) 1972-09-13 1972-09-13

Publications (1)

Publication Number Publication Date
GB1370088A true GB1370088A (en) 1974-10-09

Family

ID=19816924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4247073A Expired GB1370088A (en) 1972-09-13 1973-09-10 Electric incandescent lamp

Country Status (8)

Country Link
US (1) US3870920A (fr)
JP (1) JPS4965081A (fr)
BE (1) BE804737A (fr)
CA (1) CA997822A (fr)
DE (1) DE2342740A1 (fr)
FR (1) FR2199195B3 (fr)
GB (1) GB1370088A (fr)
NL (1) NL7212381A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658180A (en) * 1984-02-14 1987-04-14 U.S. Philips Corporation Flament support for a projection lamp
US4622487A (en) * 1985-01-09 1986-11-11 Gte Products Corporation Electric lamp with stress relieving means
DE19523146A1 (de) * 1995-06-29 1997-01-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zur Herstellung einer elektrischen Glühlampe und eine nach diesem Verfahren gefertigte elektrische Glühlampe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1613630A (en) * 1919-11-25 1927-01-11 Western Electric Co Vacuum tube
US1583463A (en) * 1920-07-13 1926-05-04 Western Electric Co Electron-discharge device
US3440473A (en) * 1966-12-14 1969-04-22 Sylvania Electric Prod Lamp filament joint for incandescent lamps
JPS4721082Y1 (fr) * 1967-09-01 1972-07-13
US3530329A (en) * 1968-06-25 1970-09-22 Gen Electric Filament support and heat shield construction for electric lamps
US3543962A (en) * 1968-12-13 1970-12-01 Sylvania Electric Prod High wattage quartz halogen lamp

Also Published As

Publication number Publication date
FR2199195B3 (fr) 1976-08-13
DE2342740A1 (de) 1974-03-21
NL7212381A (fr) 1974-03-15
BE804737A (fr) 1974-03-11
CA997822A (en) 1976-09-28
FR2199195A1 (fr) 1974-04-05
JPS4965081A (fr) 1974-06-24
US3870920A (en) 1975-03-11

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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