GB2135821B - Tungsten-halogen electric lamp with permeable means closing an outer envelope - Google Patents

Tungsten-halogen electric lamp with permeable means closing an outer envelope

Info

Publication number
GB2135821B
GB2135821B GB08404840A GB8404840A GB2135821B GB 2135821 B GB2135821 B GB 2135821B GB 08404840 A GB08404840 A GB 08404840A GB 8404840 A GB8404840 A GB 8404840A GB 2135821 B GB2135821 B GB 2135821B
Authority
GB
United Kingdom
Prior art keywords
tungsten
electric lamp
outer envelope
means closing
permeable means
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
GB08404840A
Other versions
GB8404840D0 (en
GB2135821A (en
Inventor
Peter R Gagnon
Robert M Griffin
Stephen F Kimball
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 GB8404840D0 (en) 1984-03-28
GB2135821A GB2135821A (en) 1984-09-05
GB2135821B true 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
DE69604361T2 (en) * 1995-05-24 2000-03-30 Koninklijke Philips Electronics N.V., Eindhoven SOCKETED ELECTRIC LAMP
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
BE428543A (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
GB8404840D0 (en) 1984-03-28
BR8400807A (en) 1984-10-02
BE898997A (en) 1984-06-18
IT1221748B (en) 1990-07-12
GB2135821A (en) 1984-09-05
IT8419756A0 (en) 1984-02-23
FR2541823B1 (en) 1988-07-22
DE3406795A1 (en) 1984-10-04
CA1220505A (en) 1987-04-14
FR2541823A1 (en) 1984-08-31
NL8400582A (en) 1984-09-17

Similar Documents

Publication Publication Date Title
GB2144579B (en) Incandescent lamps
GB2128805B (en) Incandescent lamp
ZA854951B (en) Low wattage double filament tungsten-halogen lamp
JPS5782141A (en) Glass envelope for tungsten-halogen lamp
GB8404839D0 (en) Electric lamp
GB8419450D0 (en) Incandescent lamps
GB2050693B (en) Electric filament lamps
GB2044993B (en) Electric incandescent lamp
GB2082383B (en) Incandescent lamp with ellipsoidal envelope
DE3471403D1 (en) Double-based incandescent lamp
HUT38179A (en) Electric incandescent lamp
GB2060247B (en) Electric incandescent lamps
GB2135821B (en) Tungsten-halogen electric lamp with permeable means closing an outer envelope
GB2083697B (en) Electric incandescent lamp
DE3475989D1 (en) Miniature incandescent lamp
GB8404841D0 (en) Electric lamp
GB2139417B (en) Halogen incandescent lamp
HUT43765A (en) Electric lamp with specular-coated envelope
DE3270341D1 (en) Electric incandescent lamp
GB2080022B (en) Electric incandescent lamp
GB8312749D0 (en) Ballasted incandescent lamps
DE3471204D1 (en) Electric lamp
GB2022917B (en) Electric incandescent lamp
GB2089563B (en) Electric incandescent lamp
JPS5738557A (en) Incandescent lamp

Legal Events

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

Effective date: 19940224