Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or...
Reexamination Certificate
2011-08-02
2011-08-02
Hines, Anne (Department: 2879)
Electric lamp and discharge devices
With support and/or spacing structure for electrode and/or...
C313S623000, C313S624000, C313S625000, C313S641000, C313S642000, C313S643000
Reexamination Certificate
active
07990035
ABSTRACT:
With regard to a metal vapor discharge lamp with a triple tube structure including a discharge tube, an inner tube, and an outer tube, misalignment of axes of the inner tube and the outer tube is prevented. The metal vapor discharge lamp (14) is composed of a discharge tube (30) having a pair of electrodes therein, an inner tube (32) having a pinch-sealed part (86) at an end thereof and hermitically housing the discharge tube therein, and an outer tube (34) housing the inner tube therein, and a base (36). In a clearance between the inner tube and the outer tube, there disposed a restrain member (37) for restraining movement of the inner tube relative to the outer tube in a direction orthogonal to an axis of the metal vapor discharge lamp.
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Asao, Minoru, Japanese Patent Publication 08-236087,Sep. 1996, machine translation.
Higashi Masanori
Kakisaka Shunsuke
Takeda Kazuo
Tonomori Rie
Green Tracie
Hines Anne
Panasonic Corporation
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