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CA983568A - Manufacture of electrical devices having sealed envelopes - Google Patents

Manufacture of electrical devices having sealed envelopes

Info

Publication number
CA983568A
CA983568A CA178,638A CA178638A CA983568A CA 983568 A CA983568 A CA 983568A CA 178638 A CA178638 A CA 178638A CA 983568 A CA983568 A CA 983568A
Authority
CA
Canada
Prior art keywords
manufacture
electrical devices
sealed envelopes
envelopes
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
CA178,638A
Other versions
CA178638S (en
Inventor
Kenneth R. Wolfe
Maurice G. Clarke
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.)
EMI Group Ltd
Original Assignee
Thorn Electrical Industries 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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Application granted granted Critical
Publication of CA983568A publication Critical patent/CA983568A/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
    • H01K3/08—Manufacture of mounts or stems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/18—Mountings or supports for the incandescent body
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • 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
    • Y10T29/49002—Electrical device making

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)
  • Package Closures (AREA)
  • Making Paper Articles (AREA)
CA178,638A 1972-08-11 1973-08-13 Manufacture of electrical devices having sealed envelopes Expired CA983568A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3764672A GB1430070A (en) 1972-08-11 1972-08-11 Manufacture of electrical devices having sealed envelopes

Publications (1)

Publication Number Publication Date
CA983568A true CA983568A (en) 1976-02-10

Family

ID=10397961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA178,638A Expired CA983568A (en) 1972-08-11 1973-08-13 Manufacture of electrical devices having sealed envelopes

Country Status (8)

Country Link
US (1) US3904908A (en)
JP (1) JPS5612979B2 (en)
AT (1) AT343220B (en)
CA (1) CA983568A (en)
DE (1) DE2340931C3 (en)
GB (1) GB1430070A (en)
HU (1) HU171058B (en)
NL (1) NL169120C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5245180A (en) * 1975-10-07 1977-04-09 Stanley Electric Co Ltd Method of manufacture of electric bulb
JPS54137286U (en) * 1978-03-17 1979-09-22
JPS54143552U (en) * 1978-03-27 1979-10-05
JPS5760532Y2 (en) * 1979-04-17 1982-12-23
JPS58214269A (en) * 1982-06-04 1983-12-13 松下電子工業株式会社 Halogen bulb for headlight
US4508514A (en) * 1983-09-19 1985-04-02 Gte Products Corporation Single-ended metal halide discharge lamp arc gap fabricating process
DE3701724A1 (en) * 1987-01-22 1988-08-04 Fraunhofer Ges Forschung METHOD AND DEVICE FOR IMPROVING A VACUUM IN A GAS SEAL CONTAINER
US4997400A (en) * 1989-11-06 1991-03-05 Gte Products Corporation Method of aligning and gapping arc lamp electrodes
US5186669A (en) * 1990-02-01 1993-02-16 Cooper Industries, Inc. Incandescent lamp
DE69723365T2 (en) * 1996-06-04 2004-02-12 Honda Giken Kogyo K.K. Lamp bulb for vehicles
DE19624688A1 (en) * 1996-06-20 1998-01-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Shading device for a motor vehicle headlight lamp and manufacturing method for such a shading device
JP3835772B2 (en) * 1996-11-06 2006-10-18 桜井 裕美子 Filament mounting method
DE10026567A1 (en) * 2000-05-30 2001-12-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Process for labeling quartz glass lamps and quartz glass lamps made therewith
US6856090B2 (en) * 2001-10-23 2005-02-15 Federal-Mogul Worldwide, Inc. Incandescent halogen lamp having flattened filament support leads
DE102006060772A1 (en) * 2006-12-21 2008-06-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Dimming cap for two-coil halogen lamp of different power for increasing the useful light

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817591A (en) * 1968-04-11 1974-06-18 Lampes Elect Fab Reunies Method of manufacturing a lamp
GB1313531A (en) * 1970-04-16 1973-04-11 Thorn Electrical Ind Ltd Incandescent lamp manufacture
US3768157A (en) * 1971-03-31 1973-10-30 Trw Inc Process of manufacture of semiconductor product
US3827142A (en) * 1972-12-11 1974-08-06 Gti Corp Tuning of encapsulated precision resistor

Also Published As

Publication number Publication date
AT343220B (en) 1978-05-10
NL7311111A (en) 1974-02-13
NL169120C (en) 1982-06-01
ATA705673A (en) 1977-09-15
US3904908A (en) 1975-09-09
DE2340931B2 (en) 1978-04-13
GB1430070A (en) 1976-03-31
DE2340931A1 (en) 1974-02-28
DE2340931C3 (en) 1978-12-14
JPS4992879A (en) 1974-09-04
HU171058B (en) 1977-10-28
NL169120B (en) 1982-01-04
JPS5612979B2 (en) 1981-03-25

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