GB1214736A - Electric lamp - Google Patents

Electric lamp

Info

Publication number
GB1214736A
GB1214736A GB3107968A GB3107968A GB1214736A GB 1214736 A GB1214736 A GB 1214736A GB 3107968 A GB3107968 A GB 3107968A GB 3107968 A GB3107968 A GB 3107968A GB 1214736 A GB1214736 A GB 1214736A
Authority
GB
United Kingdom
Prior art keywords
grooves
june
pinch
faces
electric 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.)
Expired
Application number
GB3107968A
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 GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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
Priority claimed from DEP29575U external-priority patent/DE1979224U/en
Priority claimed from DEP30016U external-priority patent/DE1984184U/en
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB1214736A publication Critical patent/GB1214736A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/44—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp directly applied to, or forming part of, the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • H01K1/22—Lamp stems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/38—Seals for leading-in conductors

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

1,214,736. Lamp bases. PATENT-TREUHAND-GES. FUR ELEKTRISCHE GLUHLAMPEN m.b.H. 28 June, 1968 [28 June, 1967; 8 Sept., 1967; 10 Jan., 1968], No. 31079/68. Heading H2E. [Also in Division H1] An electric incandescent lamp has a bayonet base made by elongate grooves 59, 60 running obliquely across the narrow faces of the glass pinch 47. The pinch has an I-shaped crosssection (Fig. 9, not shown). In another embodiment (Figs. 10 to 12, not shown) the depth of the grooves increases across the faces. The grooves need not be parallelograms but may be trapeziums.
GB3107968A 1967-06-28 1968-06-28 Electric lamp Expired GB1214736A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP29575U DE1979224U (en) 1967-06-28 1967-06-28 LIGHT BULB WITH GLASS BASE.
DEP30016U DE1984184U (en) 1967-09-08 1967-09-08 LIGHT BULB WITH GLASS BASE.
DE1968P0043792 DE1639093B2 (en) 1967-06-28 1968-01-10 LIGHT BULB WITH AN EXTERNAL CRUSH DESIGNED AS A BASE

Publications (1)

Publication Number Publication Date
GB1214736A true GB1214736A (en) 1970-12-02

Family

ID=27211916

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3107968A Expired GB1214736A (en) 1967-06-28 1968-06-28 Electric lamp

Country Status (6)

Country Link
AT (1) AT278173B (en)
BE (1) BE717327A (en)
DE (1) DE1639093B2 (en)
FR (1) FR1580320A (en)
GB (1) GB1214736A (en)
SE (1) SE349187B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780335A (en) * 1971-06-09 1973-12-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Quartz glass pinch seal of increased compressive strength
JPS50128987U (en) * 1974-03-30 1975-10-23
US5039909A (en) * 1989-04-24 1991-08-13 U.S. Philips Corporation Electric lamp and holder for such a lamp
WO2005076317A2 (en) * 2004-02-09 2005-08-18 Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh Vehicle headlight bulb

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7807349A (en) * 1978-07-07 1980-01-09 Philips Nv HELSLESS ELECTRIC LIGHT BULB.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3780335A (en) * 1971-06-09 1973-12-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Quartz glass pinch seal of increased compressive strength
JPS50128987U (en) * 1974-03-30 1975-10-23
US5039909A (en) * 1989-04-24 1991-08-13 U.S. Philips Corporation Electric lamp and holder for such a lamp
WO2005076317A2 (en) * 2004-02-09 2005-08-18 Patent-Treuhand- Gesellschaft Für Elektrische Glühlampen Mbh Vehicle headlight bulb
WO2005076317A3 (en) * 2004-02-09 2005-10-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Vehicle headlight bulb
US7659656B2 (en) 2004-02-09 2010-02-09 Osram Gesellschaft Mit Beschraenkter Haftung Vehicle headlight bulb

Also Published As

Publication number Publication date
FR1580320A (en) 1969-09-05
SE349187B (en) 1972-09-18
AT278173B (en) 1970-01-26
BE717327A (en) 1968-12-02
DE1639093A1 (en) 1971-01-28
DE1639093B2 (en) 1977-04-14

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Legal Events

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