GB275735A - Improvements in electric incandescent lamps - Google Patents

Improvements in electric incandescent lamps

Info

Publication number
GB275735A
GB275735A GB12442/26A GB1244226A GB275735A GB 275735 A GB275735 A GB 275735A GB 12442/26 A GB12442/26 A GB 12442/26A GB 1244226 A GB1244226 A GB 1244226A GB 275735 A GB275735 A GB 275735A
Authority
GB
United Kingdom
Prior art keywords
incandescent lamps
chromium
supports
electric incandescent
tungsten
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
GB12442/26A
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB12442/26A priority Critical patent/GB275735A/en
Priority to DEP54804D priority patent/DE457177C/de
Priority to FR631452D priority patent/FR631452A/fr
Priority to US186488A priority patent/US1733076A/en
Publication of GB275735A publication Critical patent/GB275735A/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
    • H01K1/20—Mountings or supports for the incandescent body characterised by the material thereof
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12389—All metal or with adjacent metals having variation in thickness
    • Y10T428/12396—Discontinuous surface component
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12833—Alternative to or next to each other
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12826—Group VIB metal-base component
    • Y10T428/12847—Cr-base component

Landscapes

  • Resistance Heating (AREA)
GB12442/26A 1926-05-14 1926-05-14 Improvements in electric incandescent lamps Expired GB275735A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB12442/26A GB275735A (en) 1926-05-14 1926-05-14 Improvements in electric incandescent lamps
DEP54804D DE457177C (de) 1926-05-14 1927-03-09 Elektrische Gluehlampe mit Wolframleuchtkoerper
FR631452D FR631452A (fr) 1926-05-14 1927-03-26 Perfectionnements aux lampes électriques à incandescence
US186488A US1733076A (en) 1926-05-14 1927-04-25 Filament support and method of making it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12442/26A GB275735A (en) 1926-05-14 1926-05-14 Improvements in electric incandescent lamps

Publications (1)

Publication Number Publication Date
GB275735A true GB275735A (en) 1927-08-15

Family

ID=10004668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12442/26A Expired GB275735A (en) 1926-05-14 1926-05-14 Improvements in electric incandescent lamps

Country Status (4)

Country Link
US (1) US1733076A (de)
DE (1) DE457177C (de)
FR (1) FR631452A (de)
GB (1) GB275735A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529335A (en) * 1966-05-06 1970-09-22 Pinlites Inc Method of making a light bulb with a plurality of independently connected filaments for indicating graphic symbols

Also Published As

Publication number Publication date
DE457177C (de) 1928-03-09
US1733076A (en) 1929-10-22
FR631452A (fr) 1927-12-21

Similar Documents

Publication Publication Date Title
GB275735A (en) Improvements in electric incandescent lamps
ES115513A1 (es) Cuerpo incandescente o filamento para lámparas eléctricas incandescentes, tubos de vacío y similares, y procedimiento para la fabricación de filamentos.
GB297052A (en) Improvements in or relating to filaments for electric incandescent lamps
GB460813A (en) Improvements in or relating to electric incandescent lamps
GB389316A (en) Improvements in or relating to incandescent electric lamps
AU901222A (en) Improvements in inverted incandescent gas, vapour and like lamps
ES134640A1 (es) Mejoras en la fabricación de lámparas eléctricas de incandescencia, llenas de gas o de atmósfera enrarecida.
ES79236A3 (es) Mejoras en la fabricación de lámparas de incandescencia con filamentos de tungsteno.
ES79266A1 (es) Mejoras en la fabricación de lámparas de incandescencia con filamentos de tungsteno.
GB355910A (de)
ES138844A1 (es) Mejoras en las fabricación de lámparas eléctricas incandescentes llenas de gas, con filamento de doble espiral.
GB218430A (en) Improvements in and relating to filaments for electric incandescent lamps and the like
GB269189A (en) Electric incandescent lamp of tubular form
GB225038A (en) Improvements in incandescent electric lamps
GB160040A (en) An improvements in incandescent gas mantles
ES79238A3 (es) Mejoras en la fabricación de las lámparas de incandescencia con filamento de tungsteno.
GB321032A (en) Improvements in tubular electric incandescent lamps
ES136974A1 (es) Perfeccionamientos en la fabricación de lámparas eléctricas de incandescencia, de filamentos múltiples.
GB364502A (de)
GB401658A (en) Improvements in and relating to electric incandescent lamps
FR534846A (fr) Disposition des supports des filaments dans l'ampoule des lampes à incandescence
GB470809A (en) Improvements in or relating to electric discharge lamps
ES84120A1 (es) Lámpara eléctrica de incandescencia llena de gas, con filamentos enrollado en hélices.
ES126473A1 (es) Una lámpara de alumbrado eléctrico con filamento metálico incandescente.
CA308331A (en) Multiple filament incandescent lamp