IT951380B - Metodo per la fabbricazione di lampadine elettriche e lampadina con esso prodotta - Google Patents

Metodo per la fabbricazione di lampadine elettriche e lampadina con esso prodotta

Info

Publication number
IT951380B
IT951380B IT23105/72A IT2310572A IT951380B IT 951380 B IT951380 B IT 951380B IT 23105/72 A IT23105/72 A IT 23105/72A IT 2310572 A IT2310572 A IT 2310572A IT 951380 B IT951380 B IT 951380B
Authority
IT
Italy
Prior art keywords
bulb
produced
manufacturing electric
electric bulbs
bulbs
Prior art date
Application number
IT23105/72A
Other languages
English (en)
Original Assignee
Thorn Electrical Ind 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 claimed from GB940071*[A external-priority patent/GB1354601A/en
Application filed by Thorn Electrical Ind Ltd filed Critical Thorn Electrical Ind Ltd
Application granted granted Critical
Publication of IT951380B publication Critical patent/IT951380B/it

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
    • H01K3/26—Closing of vessels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/32—Sealing leading-in conductors
    • H01J9/323—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device
    • H01J9/326—Sealing leading-in conductors into a discharge lamp or a gas-filled discharge device making pinched-stem or analogous seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Drying Of Solid Materials (AREA)
IT23105/72A 1971-04-14 1972-04-13 Metodo per la fabbricazione di lampadine elettriche e lampadina con esso prodotta IT951380B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB940071*[A GB1354601A (en) 1971-04-14 1971-04-14 Lamps
GB1729071 1971-05-26

Publications (1)

Publication Number Publication Date
IT951380B true IT951380B (it) 1973-06-30

Family

ID=26242911

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23105/72A IT951380B (it) 1971-04-14 1972-04-13 Metodo per la fabbricazione di lampadine elettriche e lampadina con esso prodotta

Country Status (7)

Country Link
US (1) US3810684A (it)
CA (1) CA934437A (it)
DE (1) DE2218242C3 (it)
IT (1) IT951380B (it)
NL (1) NL158018B (it)
NO (1) NO131107C (it)
SE (1) SE385345B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037342A (en) * 1988-11-15 1991-08-06 Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen M.B.H. Method of making an electric lamp, and more particularly a lamp vessel in which electrodes are retained in the lamp by a pinch or press seal
DE3838696A1 (de) * 1988-11-15 1990-05-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren zur herstellung eines lampengefaesses
JP4083250B2 (ja) * 1996-04-10 2008-04-30 桜井 裕美子 ダブルエンド型ハロゲン電球とその製造方法
JP3834355B2 (ja) * 1996-05-24 2006-10-18 桜井 裕美子 ハロゲン電球の封止方法
US6685525B1 (en) * 1999-06-23 2004-02-03 Matsushita Electric Industrial Co., Ltd. Method for manufacturing an incandescent lamp
US6669521B2 (en) * 2001-09-26 2003-12-30 Osram Sylvania Inc. Method of removing contaminants from a double-ended arc discharge tube
DE102006014294A1 (de) * 2006-03-28 2007-10-04 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektrische Lampe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201694A (en) * 1937-05-15 1940-05-21 Gen Electric Method and apparatus for manufacturing electric lamps and similar articles
US2235515A (en) * 1938-07-15 1941-03-18 Westinghouse Electric & Mfg Co Manufacture of miniature lamps
US2450197A (en) * 1945-12-29 1948-09-28 Sylvania Electric Prod Electric discharge device
US2904716A (en) * 1955-11-28 1959-09-15 Gen Electric Electric incandescent lamp and method of manufacture
US2900771A (en) * 1958-01-28 1959-08-25 Gen Electric Electric lamp gas filling and sealing method and apparatus
US3073137A (en) * 1960-02-01 1963-01-15 Westinghouse Electric Corp Press sealing process and apparatus

Also Published As

Publication number Publication date
NO131107C (it) 1975-04-02
US3810684A (en) 1974-05-14
DE2218242B2 (de) 1977-10-13
SE385345B (sv) 1976-06-21
NL7205011A (it) 1972-10-17
DE2218242A1 (de) 1972-11-02
CA934437A (en) 1973-09-25
DE2218242C3 (de) 1978-06-01
NO131107B (it) 1974-12-23
NL158018B (nl) 1978-09-15

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