GB353973A - Improvements in and relating to bases for electric incandescent lamps and similar devices - Google Patents

Improvements in and relating to bases for electric incandescent lamps and similar devices

Info

Publication number
GB353973A
GB353973A GB14983/30A GB1498330A GB353973A GB 353973 A GB353973 A GB 353973A GB 14983/30 A GB14983/30 A GB 14983/30A GB 1498330 A GB1498330 A GB 1498330A GB 353973 A GB353973 A GB 353973A
Authority
GB
United Kingdom
Prior art keywords
protuberances
depressions
bulb
bases
relating
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
GB14983/30A
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
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB353973A publication Critical patent/GB353973A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49876—Assembling or joining with prestressing of part by snap fit

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Knives (AREA)

Abstract

353,973. Electric lamp caps. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Thomas, R. B.; 1171, Cleveland Heights Boulevard, Cleveland Heights, Ohio, U.S.A.) May 15, 1930, No. 14983. Convention date, May 15, 1929. [Class 39 (ii).] The cap of an electric lamp is made in two pieces, one with resilient portions engaging with depressions or protuberances on the bulb and the other screwing over the first to lock it in position. The Figure shows a cap of which one portion 19 is formed with resilient lugs 22 having protuberances 21 which engage with depressions 18 on the neck of the bulb. The other portion 20 screws over the portion 19 until it engages with a shoulder 25 on the bulb. On being turned further it draws the portion 19 upwards and locks the protuberances 21 in the depressions 18. The two parts are then secured together by punching.
GB14983/30A 1929-05-15 1930-05-15 Improvements in and relating to bases for electric incandescent lamps and similar devices Expired GB353973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US363272A US1832751A (en) 1929-05-15 1929-05-15 Base for electric lamps and similar articles

Publications (1)

Publication Number Publication Date
GB353973A true GB353973A (en) 1931-08-06

Family

ID=23429553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14983/30A Expired GB353973A (en) 1929-05-15 1930-05-15 Improvements in and relating to bases for electric incandescent lamps and similar devices

Country Status (3)

Country Link
US (1) US1832751A (en)
FR (1) FR695561A (en)
GB (1) GB353973A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2418763A (en) * 1944-02-18 1947-04-08 Eisler Charles Machine for sealing and molding glass bulbs
DE2941011A1 (en) * 1979-10-10 1981-04-23 Philips Patentverwaltung Gmbh, 2000 Hamburg ELECTRIC LAMP WITH A SOCKET-BASED BASE
NL8204723A (en) * 1982-12-07 1984-07-02 Philips Nv ELECTRIC LAMP.
US5254025A (en) * 1992-09-25 1993-10-19 Gte Products Corporation Method for manufacturing lamp having interference-fit metallic bases
GB9407132D0 (en) * 1994-04-11 1994-06-01 Ge Lighting Ltd Bulb mounting arrangement for an electrodeless discharge lamp

Also Published As

Publication number Publication date
US1832751A (en) 1931-11-17
FR695561A (en) 1930-12-18

Similar Documents

Publication Publication Date Title
GB353973A (en) Improvements in and relating to bases for electric incandescent lamps and similar devices
GB534307A (en) Improvements in or relating to electric lighting units
GB534181A (en) Improvements relating to bases for electric lamps and similar devices
GB507752A (en) Improvements in and relating to electric lamps and like devices
GB507549A (en) Improvements in lamp sockets and in caps adapted to cooperate therewith
GB299780A (en) Improvements in or relating to electric incandescent lamps or similar articles
GB246516A (en) Improvements in and relating to electric incandescent lamps
GB467956A (en) Improvements in methods of capping vitreous vessels, such as electric incandescent lamps, without the use of cement
GB392126A (en) Improvements in and relating to caps for electric incandescent lamps
GB322322A (en) Improvements in or relating to devices for detachable connecting one body to another
GB206773A (en) Improvements in or relating to electric incandescent lamps
GB461455A (en) Improvements in or relating to caps for electric incandescent lamps and the like
GB271481A (en)
GB236618A (en) An improved method of fixing the caps of thermionic valves, electric lamp bulbs and the like
GB261358A (en) Improvements relating to incandescent electric lamps
GB499682A (en) Improvements in methods of capping vitreous vessels, such as electric incandescent lamps, without the use of cement
GB242408A (en) Improvements in, or relating to, electric lamp holders
GB224894A (en) Improvements in and relating to incandescent lamps and similar devices
GB508833A (en) Improvements in and relating to vehicle wheels
GB417986A (en) Improvements in and relating to electric lamps
GB382780A (en) Safety lock for electric lamp bulbs
GB489515A (en) Improvements in or relating to means for securing an electric lamp to a holder
GB673487A (en) Improvements in and relating to electric incandescent lamps
GB291954A (en) Improvements in and relating to locking devices for electric incandescent lamps
GB409906A (en) Improvements in removable false end caps or adapters for electric lamps