Electrode mount, arc tube, low-pressure mercury vapor...

Details Electrode mount, arc tube, low-pressure mercury vapor... Electrode mount, arc tube, low-pressure mercury vapor...

2011-01-25

2011-01-25

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Having electrode lead-in or electrode support sealed to...

Reexamination Certificate

active

07876051

ABSTRACT:
The electrode mount includes a filament coil, paired lead wires supporting the filament coil therebetween in a manner that the filament coil hangs across the lead wires; and bead glass retaining the paired leadwires. The arc tube includes an arc tube main body formed by winding a glass tube, and an electrode fixed to the end portion of the arc tube main body. For this electrode, the electrode mount is used. The fixing of the electrode mount at the end portion of the arc tube main body is made at a region of the lead wires positioned between the filament coil and the bead glass, and the bead glass is disposed outside the arc tube main body.

REFERENCES:
patent: 2002/0000770 (2002-01-01), Shibata et al.
patent: 2004/0263079 (2004-12-01), Nakanishi et al.
patent: 2005/0104522 (2005-05-01), Yabuki et al.
patent: 1-163958 (1989-06-01), None

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