Arc tube and method of producing the same

Details Arc tube and method of producing the same Arc tube and method of producing the same

2005-01-18

2005-01-18

Patel, Nimeshkumar D. (Department: 2879)

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

C445S043000, C313S243000, C313S244000, C313S623000, C313S624000, C313S625000

Reexamination Certificate

active

06843698

ABSTRACT:
Before an electrode assembly is inserted into a quartz glass tube, a reinforcement bending process is applied to a metal foil. Even when a vibration load acts on the electrode assembly during the insertion of the electrode assembly into the quartz glass tube, the metal foil is not easily deformed, so that a rod electrode can be prevented from largely swinging together with the metal foil. Consequently, the position of a tip end portion of the rod electrode can be easily recognized by using a camera, whereby the degree of the insertion of the electrode assembly into the quartz glass tube can be correctly adjusted.

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patent: 6661172 (2003-12-01), Kuti et al.
patent: 63-40354 (1988-08-01), None
TWI, Resistance projection welding, accessed on Mar. 21, 2004, http://www.twi.co.uk/j32k/protected/band_3/kssaw003.html.*
Welding Technology Corporation, Projection Welding, accessed on Mar. 21, 2004, http://www.medar.com/welding_concepts/projectionweld.html.*
Metalforming OnLine , projection welding: what is it?, accessed on Mar. 21, 2004, http://www.metalforming.com/forum/thread.cfm?threadid=498&messages=9.

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