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Title:
DISCHARGE LAMP EQUIPPED WITH VALVE FIXING DEVICE, AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP3940722
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a discharge lamp (1) that comprises a discharge tube (2) sealed in a tubular envelope (4).
SOLUTION: The lamp (1) comprises a lamp base (5) that covers the end part of the envelope (4), and a fixing means for rigidly fixing the envelope (4) to the lamp base (5). The fixing means comprises a metal clamp ring (6). The metal clamp ring (6) encloses a part of the envelope (4) outside the lamp base (5). The lining (7) of molten plastic is provided between the clamp ring (6) and the envelope (4). The lining (7) of molten plastic almost completely fills the space between the envelope (4) and the clamp ring (6).


Inventors:
Istvan Mudra
Zabolti Bella
Pearl Garham Volzy
Application Number:
JP2004000045A
Publication Date:
July 04, 2007
Filing Date:
January 05, 2004
Export Citation:
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Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
F21V19/00; H01J5/48; F21S8/10; H01J5/54; H01J5/58; H01J5/60; H01J9/24; H01J9/34; H01J23/26; H01J61/34; H01J61/86; F21Y101/00; (IPC1-7): H01J5/48; F21S8/10; F21V19/00; H01J9/24; //F21Y101:00
Domestic Patent References:
JP4233123A
JP4337242A
JP6060801A
JP6187803A
JP7262805A
JP8064114A
JP9213208A
JP10064412A
JP11176319A
JP2003520394A
JP2004534363A
JP7044252U
Foreign References:
US20030034723
US6203169
Attorney, Agent or Firm:
Kenichi Matsumoto
Hirokazu Ogura
Nobukazu Ito