GB899005A - Improvements in lamp base with collared insulator - Google Patents

Improvements in lamp base with collared insulator

Info

Publication number
GB899005A
GB899005A GB30498/58A GB3049858A GB899005A GB 899005 A GB899005 A GB 899005A GB 30498/58 A GB30498/58 A GB 30498/58A GB 3049858 A GB3049858 A GB 3049858A GB 899005 A GB899005 A GB 899005A
Authority
GB
United Kingdom
Prior art keywords
glass
insulator
plunger
contact
edge
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
GB30498/58A
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
Original Assignee
General Electric Co
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 filed Critical General Electric Co
Publication of GB899005A publication Critical patent/GB899005A/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
    • H01K1/46—Means 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

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

899,005. Moulding glass. GENERAL ELECTRIC CO. Sept. 24, 1958 [Oct. 24, 1957], No. 30498/58. Class 56. [Also in Group XXXVI] To make a lamp base comprising shell, 2 centre contact 10 and glsss insulator 9, the shell and contact are placed in the mould 33, into which moulten glass is dropped through flange 8 and then pressed into shape by plunger 34. The plunger has an annular skirt 35 which closely surrounds edge 18 of flange 8. Skirt 35 and end 36 of the plunger are so shaped as to force the glass into notches 19 in edge 18 to form the portion 17 of the insulator. Good results are obtained when the depth of the glass, covering edge 18, is twice the wall thickness. Glass in the hole of contact 10 is cleared by vertical reciprocable punch and the base removed from the mould.
GB30498/58A 1957-10-24 1958-09-24 Improvements in lamp base with collared insulator Expired GB899005A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US692214A US2987696A (en) 1957-10-24 1957-10-24 Lamp base with collared insulator

Publications (1)

Publication Number Publication Date
GB899005A true GB899005A (en) 1962-06-20

Family

ID=24779686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30498/58A Expired GB899005A (en) 1957-10-24 1958-09-24 Improvements in lamp base with collared insulator

Country Status (2)

Country Link
US (1) US2987696A (en)
GB (1) GB899005A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1431275A (en) * 1972-06-06 1976-04-07 Thorn Electrical Ind Ltd Lamp cap connections
US5616984A (en) * 1993-08-09 1997-04-01 Xenotech, Inc. High wattage lamp ferrule and socket system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US537498A (en) * 1895-04-16 Incandescent electric lamp
US760065A (en) * 1901-11-22 1904-05-17 Howard Gilmore Base for incandescent lamps.
US775689A (en) * 1903-03-27 1904-11-22 Gen Electric Base for incandescent lamps.
US905478A (en) * 1905-06-07 1908-12-01 Gen Electric Incandescent lamp.
US1965231A (en) * 1929-05-18 1934-07-03 Westinghouse Lamp Co Lamp base contact
NL27657C (en) * 1930-02-25
US2519328A (en) * 1942-08-26 1950-08-15 Westinghouse Electric Corp Lamp base and ring therefor
NL65240C (en) * 1943-07-01

Also Published As

Publication number Publication date
US2987696A (en) 1961-06-06

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