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LUMINESCENT BULB FOR ELECTRODELESS LAMP, ELECTRODELESS LAMP AND MANUFACTURING METHOD OF LUMINESCENT BULB FOR ELECTRODELESS LAMP
LUMINESCENT BULB FOR ELECTRODELESS LAMP, ELECTRODELESS LAMP AND MANUFACTURING METHOD OF LUMINESCENT BULB FOR ELECTRODELESS LAMP
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机译:用于无电灯的发光灯泡,无电灯和制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a manufacturing method of a luminescent bulb for an electrodeless lamp capable of preventing adhesion of slurries on a protection layer at a part where an inner tube and an outer tube are to be sealed.;SOLUTION: The luminescent bulb is provided with an outer tube having an opening and an inner tube of a shape of a bottomed cylinder, and an end part of the inner tube at an opening side is sealed to an extended part 18 of the outer tube 16 in a state in which the inner tube is insertion-coupled from the opening of the outer tube 16 down to the bottom of the inner tube. The outer tube 16 has a storage part 19 formed extended outside from the vicinity of a sealing part 13. The formation of the protection layer on the inside face of the outer tube 16 is carried out through a process of applying the slurries 41 of the protection layer on the inside face with the opening directed upward, a process of absorbing and draining the slurries 41 after the application with the upward direction kept, and a process of drying while storing the slurries 41 dripping down at the storage part 19 with the opening of the outer tube 16 directed downward.;COPYRIGHT: (C)2004,JPO
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