GB8404840D0 - Tungsten-halogen electric lamp - Google Patents

Tungsten-halogen electric lamp

Info

Publication number
GB8404840D0
GB8404840D0 GB848404840A GB8404840A GB8404840D0 GB 8404840 D0 GB8404840 D0 GB 8404840D0 GB 848404840 A GB848404840 A GB 848404840A GB 8404840 A GB8404840 A GB 8404840A GB 8404840 D0 GB8404840 D0 GB 8404840D0
Authority
GB
United Kingdom
Prior art keywords
tungsten
electric lamp
halogen electric
halogen
lamp
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.)
Granted
Application number
GB848404840A
Other versions
GB2135821A (en
GB2135821B (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.)
Osram Sylvania Inc
Original Assignee
GTE Products 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 GTE Products Corp filed Critical GTE Products Corp
Publication of GB8404840D0 publication Critical patent/GB8404840D0/en
Publication of GB2135821A publication Critical patent/GB2135821A/en
Application granted granted Critical
Publication of GB2135821B publication Critical patent/GB2135821B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
GB08404840A 1983-02-25 1984-02-24 Tungsten-halogen electric lamp with permeable means closing an outer envelope Expired GB2135821B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46984483A 1983-02-25 1983-02-25

Publications (3)

Publication Number Publication Date
GB8404840D0 true GB8404840D0 (en) 1984-03-28
GB2135821A GB2135821A (en) 1984-09-05
GB2135821B GB2135821B (en) 1986-12-17

Family

ID=23865258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08404840A Expired GB2135821B (en) 1983-02-25 1984-02-24 Tungsten-halogen electric lamp with permeable means closing an outer envelope

Country Status (8)

Country Link
BE (1) BE898997A (en)
BR (1) BR8400807A (en)
CA (1) CA1220505A (en)
DE (1) DE3406795A1 (en)
FR (1) FR2541823B1 (en)
GB (1) GB2135821B (en)
IT (1) IT1221748B (en)
NL (1) NL8400582A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611788C2 (en) * 1986-04-08 1995-07-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp and process for its manufacture
JP2002515168A (en) * 1995-05-24 2002-05-21 フィリップス エレクトロニクス ネムローゼ フェンノートシャップ Light with cap
US6133676A (en) * 1997-09-10 2000-10-17 Chen; Chun Tsun Double-enveloped halogen bulb provided with protuberances in the outer surface of the envelope
EP0903773A3 (en) * 1997-09-17 1999-06-16 Shanghai Viva Home Improvement Co., Ltd. Double-enveloped halogen bulb

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE242385C (en) *
FR823094A (en) * 1936-09-24 1938-01-13 Luminescent bulb for incandescent electric lamps
BE428542A (en) * 1937-06-12
NL61940C (en) * 1941-03-28
GB1054423A (en) * 1963-04-22
GB2062958B (en) * 1979-11-12 1983-12-14 Thorn Emi Ltd Sealed beam lamp

Also Published As

Publication number Publication date
IT8419756A0 (en) 1984-02-23
FR2541823A1 (en) 1984-08-31
GB2135821A (en) 1984-09-05
NL8400582A (en) 1984-09-17
FR2541823B1 (en) 1988-07-22
GB2135821B (en) 1986-12-17
CA1220505A (en) 1987-04-14
DE3406795A1 (en) 1984-10-04
BR8400807A (en) 1984-10-02
BE898997A (en) 1984-06-18
IT1221748B (en) 1990-07-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940224