GB450948A - Improvements in electric incandescent lamps and discharge tubes - Google Patents

Improvements in electric incandescent lamps and discharge tubes

Info

Publication number
GB450948A
GB450948A GB29998/34A GB2999834A GB450948A GB 450948 A GB450948 A GB 450948A GB 29998/34 A GB29998/34 A GB 29998/34A GB 2999834 A GB2999834 A GB 2999834A GB 450948 A GB450948 A GB 450948A
Authority
GB
United Kingdom
Prior art keywords
incandescent lamps
discharge tubes
electric incandescent
solder
cap
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
GB29998/34A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 FR763732D priority Critical patent/FR763732A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB29998/34A priority patent/GB450948A/en
Priority to BE405822D priority patent/BE405822A/xx
Publication of GB450948A publication Critical patent/GB450948A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/30Manufacture of bases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K1/00Details
    • H01K1/42Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

450,948. Soldering. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN, Emmasingel, Eindhoven, Holland. Oct. 19, 1934, No. 29998. Void [Abridged as open to inspection under Sect. 91 of the Acts, May 1, 1935]. [Class 83 (iv)] [See also Groups XL and XI] A cap for an electric discharge tube or incandescent lamp is in two parts which are secured together by solder 4. The solder is melted by three-phase alternating - current introduced by three electrodes 3 which serve as a holder for the cap during the operation.
GB29998/34A 1933-10-30 1934-10-19 Improvements in electric incandescent lamps and discharge tubes Expired GB450948A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR763732D FR763732A (en) 1933-10-30 1933-11-13 Improvements to incandescent electric lamps or discharge tubes
GB29998/34A GB450948A (en) 1933-10-30 1934-10-19 Improvements in electric incandescent lamps and discharge tubes
BE405822D BE405822A (en) 1933-10-30 1934-11-30

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE763732X 1933-10-30
GB29998/34A GB450948A (en) 1933-10-30 1934-10-19 Improvements in electric incandescent lamps and discharge tubes

Publications (1)

Publication Number Publication Date
GB450948A true GB450948A (en) 1935-05-01

Family

ID=10300579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29998/34A Expired GB450948A (en) 1933-10-30 1934-10-19 Improvements in electric incandescent lamps and discharge tubes

Country Status (3)

Country Link
BE (1) BE405822A (en)
FR (1) FR763732A (en)
GB (1) GB450948A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221290A1 (en) * 1982-06-05 1983-12-08 Philips Patentverwaltung Gmbh, 2000 Hamburg ELECTRIC LAMP WITH A SOCKET-BASED BASE

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631651A (en) * 1985-06-10 1986-12-23 Gte Products Corporation Replaceable automobile headlight lamp unit and automobile headlight utilizing same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3221290A1 (en) * 1982-06-05 1983-12-08 Philips Patentverwaltung Gmbh, 2000 Hamburg ELECTRIC LAMP WITH A SOCKET-BASED BASE

Also Published As

Publication number Publication date
FR763732A (en) 1934-05-04
BE405822A (en) 1934-10-22

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