EP0061757A3 - Electric lamp with the shape of a pinchsealed vessel, and apparatus and method for its manufacture - Google Patents

Electric lamp with the shape of a pinchsealed vessel, and apparatus and method for its manufacture

Info

Publication number
EP0061757A3
EP0061757A3 EP82102635A EP82102635A EP0061757A3 EP 0061757 A3 EP0061757 A3 EP 0061757A3 EP 82102635 A EP82102635 A EP 82102635A EP 82102635 A EP82102635 A EP 82102635A EP 0061757 A3 EP0061757 A3 EP 0061757A3
Authority
EP
European Patent Office
Prior art keywords
pinchsealed
vessel
manufacture
shape
electric lamp
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.)
Granted
Application number
EP82102635A
Other languages
German (de)
Other versions
EP0061757B1 (en
EP0061757A2 (en
Inventor
Helmut Ing.-Grad. Grahmann
Dieter Dr. Hofmann
Alfred Dipl.-Ing. Wacker
Fritz Ludwig
Reinhard Rupp
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 DE3112821A external-priority patent/DE3112821A1/en
Priority claimed from DE19823204249 external-priority patent/DE3204249A1/en
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP0061757A2 publication Critical patent/EP0061757A2/en
Publication of EP0061757A3 publication Critical patent/EP0061757A3/en
Application granted granted Critical
Publication of EP0061757B1 publication Critical patent/EP0061757B1/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
    • H01J5/32—Seals for leading-in conductors
    • 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)
EP82102635A 1981-03-31 1982-03-29 Method for manufacturing a pinched seal for an electric lamp envelope and pinching device for carrying out the method Expired EP0061757B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3112821A DE3112821A1 (en) 1981-03-31 1981-03-31 ELECTRIC LAMP WITH A BOTTLE MELTING DESIGNED AS A CRUSH AND ITS DEVICE AND METHOD FOR THE PRODUCTION THEREOF
DE3112821 1981-03-31
DE3204249 1982-02-08
DE19823204249 DE3204249A1 (en) 1982-02-08 1982-02-08 Electrical lamp with a vessel seal constructed as a crimp

Publications (3)

Publication Number Publication Date
EP0061757A2 EP0061757A2 (en) 1982-10-06
EP0061757A3 true EP0061757A3 (en) 1983-05-18
EP0061757B1 EP0061757B1 (en) 1986-05-14

Family

ID=25792310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82102635A Expired EP0061757B1 (en) 1981-03-31 1982-03-29 Method for manufacturing a pinched seal for an electric lamp envelope and pinching device for carrying out the method

Country Status (2)

Country Link
EP (1) EP0061757B1 (en)
DE (1) DE3271115D1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307763A1 (en) * 1983-03-04 1984-09-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München LOW-PRESSURE DISCHARGE LAMP BASED ON ONE SIDE
DE4024603A1 (en) * 1990-08-02 1992-02-06 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh HIGH PRESSURE DISCHARGE LAMP
JPH1040878A (en) * 1996-07-22 1998-02-13 Koito Mfg Co Ltd Bulb with base
DE29616116U1 (en) * 1996-09-16 1996-12-12 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp
US5834897A (en) * 1997-05-02 1998-11-10 Osram Sylvania Inc. Lamp with centered electrode or in-lead
DE10048410A1 (en) * 2000-09-29 2002-04-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dielectric barrier discharge lamp
EP1514295A1 (en) * 2002-06-04 2005-03-16 Koninklijke Philips Electronics N.V. Low-pressure mercury vapor discharge lamp and compact fluorescent lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2104166A (en) * 1934-05-01 1938-01-04 Westinghouse Electric & Mfg Co Method of making a glass seal
US2844919A (en) * 1951-03-21 1958-07-29 Gen Electric Quartz-to-metal foil press seal
CH422153A (en) * 1963-07-16 1966-10-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dwarf lamp with a flat pinch serving as a base
DE1236068B (en) * 1961-11-03 1967-03-09 Patra Patent Treuhand Process for the production of small electric light bulbs

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2104166A (en) * 1934-05-01 1938-01-04 Westinghouse Electric & Mfg Co Method of making a glass seal
US2844919A (en) * 1951-03-21 1958-07-29 Gen Electric Quartz-to-metal foil press seal
DE1236068B (en) * 1961-11-03 1967-03-09 Patra Patent Treuhand Process for the production of small electric light bulbs
CH422153A (en) * 1963-07-16 1966-10-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Dwarf lamp with a flat pinch serving as a base

Also Published As

Publication number Publication date
EP0061757B1 (en) 1986-05-14
EP0061757A2 (en) 1982-10-06
DE3271115D1 (en) 1986-06-19

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