GB418648A - Improvements in and relating to electric lamps and similar articles - Google Patents

Improvements in and relating to electric lamps and similar articles

Info

Publication number
GB418648A
GB418648A GB218833A GB218833A GB418648A GB 418648 A GB418648 A GB 418648A GB 218833 A GB218833 A GB 218833A GB 218833 A GB218833 A GB 218833A GB 418648 A GB418648 A GB 418648A
Authority
GB
United Kingdom
Prior art keywords
filament
flare
leads
thimbles
sealed
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
GB218833A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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
Priority to FR747669D priority Critical patent/FR747669A/fr
Priority to US588485A priority patent/US2069638A/en
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB218833A priority patent/GB418648A/en
Publication of GB418648A publication Critical patent/GB418648A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/16—Joining of caps to 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
    • H01J5/40—End-disc seals, e.g. flat header
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
    • H01J2893/0034—Lamp bases
    • H01J2893/0035—Lamp bases shaped as flat plates, in particular metallic

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
GB218833A 1932-01-23 1933-01-23 Improvements in and relating to electric lamps and similar articles Expired GB418648A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR747669D FR747669A (enrdf_load_stackoverflow) 1933-01-23
US588485A US2069638A (en) 1932-01-23 1932-01-23 Electric lamp or similar device
GB218833A GB418648A (en) 1933-01-23 1933-01-23 Improvements in and relating to electric lamps and similar articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB218833A GB418648A (en) 1933-01-23 1933-01-23 Improvements in and relating to electric lamps and similar articles

Publications (1)

Publication Number Publication Date
GB418648A true GB418648A (en) 1934-10-29

Family

ID=9735119

Family Applications (1)

Application Number Title Priority Date Filing Date
GB218833A Expired GB418648A (en) 1932-01-23 1933-01-23 Improvements in and relating to electric lamps and similar articles

Country Status (2)

Country Link
FR (1) FR747669A (enrdf_load_stackoverflow)
GB (1) GB418648A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1030455B (de) * 1951-05-25 1958-05-22 British Thomson Houston Co Ltd Elektrische Gluehlampe fuer Scheinwerfer

Also Published As

Publication number Publication date
FR747669A (enrdf_load_stackoverflow) 1933-06-22

Similar Documents

Publication Publication Date Title
GB433033A (en) Improvements in and relating to electric incandescent lamps
ES453365A1 (es) Una lampara incandescente de halogeno.
ES348270A1 (es) Procedimiento para la fabricacion de lamparas incandescen- tes.
GB923294A (en) Improvements in bent end incandescent lamp
GB418648A (en) Improvements in and relating to electric lamps and similar articles
GB435527A (en) Improvements in and relating to electric lamps or the like
GB692299A (en) Improvements in and relating to electric incandescent lamps
GB1206982A (en) Method of fabricating an incandescent lamp and its construction
GB435663A (en) Improvements in electric lamps and similar devices
GB299780A (en) Improvements in or relating to electric incandescent lamps or similar articles
GB393849A (en) Improvements in luminous electric discharge tubes
GB429886A (en) Improvements in and relating to electric lamps
GB376092A (en) Improvements in electric lamps
GB211879A (en) Improvements in or relating to incandescent electric lamps and other similar apparatus, and to glass refining apparatus in connection therewith
JPH0119226B2 (enrdf_load_stackoverflow)
GB147831A (en) Method of and means for manufacturing electric incandescent lamps
GB651066A (en) Method for producing a glass envelope for enclosing the electrode system of an incandescent lamp, electronic tube or the like
GB498827A (en) Improvements relating to electric incandescent lamps
GB271029A (en) Improvements in or relating to electric incandescent lamps
GB452854A (en) Improvements in and relating to methods of sealing off evacuated containers
ES429177A1 (es) Un metodo de fabricar lamparas de incandescencia en minia- tura.
GB346537A (enrdf_load_stackoverflow)
GB512281A (en) Improvements in and relating to the manufacture of electric incandescent lamps
GB429030A (en) Improvements in electric discharge lamps
GB455586A (en) Improvements in or relating to tubular electric incandescent lamps