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Patent Searching and Data


Title:
ELECTRODE FOR DISCHARGE LAMP AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2011/125386
Kind Code:
A1
Abstract:
Disclosed is a configuration for a cut type electrode, wherein the removal of a coil is prevented and the generation of space between coils caused by repeatedly turning on and off of the lamp is suppressed. The electrode, which is for a discharge lamp, comprises: a core rod (10) which has a leading end portion (11) for electric discharge, the leading end portion (11) having undergone a cutting process; and a coil (20) which is wound around the core rod in n-turns in a state exposing the leading end portion, wherein at least a first portion (Fa) between a first turn and a turn adjacent to the first turn and a second portion (Fb) between an n-th turn and a turn adjacent to the n-th turn are welded.

Inventors:
KOMATA, Kouji (LTD. Saitamaseisakusho 1-1, Ichiriyamamachi, Gyoda-sh, Saitama 05, 〒3618505, JP)
古俣 亘央二 (〒05 埼玉県行田市壱里山町1-1岩崎電気株式会社 埼玉製作所内 Saitama, 〒3618505, JP)
TOMINAGA, Kazushi (LTD. Saitamaseisakusho 1-1, Ichiriyamamachi, Gyoda-sh, Saitama 05, 〒3618505, JP)
冨永 和志 (〒05 埼玉県行田市壱里山町1-1岩崎電気株式会社 埼玉製作所内 Saitama, 〒3618505, JP)
Application Number:
JP2011/054408
Publication Date:
October 13, 2011
Filing Date:
February 21, 2011
Export Citation:
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Assignee:
IWASAKI ELECTRIC CO., LTD. (1-4-16, Nihonbashi-bakurocho Chuo-k, Tokyo 02, 〒1030002, JP)
岩崎電気株式会社 (〒02 東京都中央区日本橋馬喰町1丁目4番16号 Tokyo, 〒1030002, JP)
KOMATA, Kouji (LTD. Saitamaseisakusho 1-1, Ichiriyamamachi, Gyoda-sh, Saitama 05, 〒3618505, JP)
古俣 亘央二 (〒05 埼玉県行田市壱里山町1-1岩崎電気株式会社 埼玉製作所内 Saitama, 〒3618505, JP)
TOMINAGA, Kazushi (LTD. Saitamaseisakusho 1-1, Ichiriyamamachi, Gyoda-sh, Saitama 05, 〒3618505, JP)
International Classes:
H01J61/073; H01J9/02
Attorney, Agent or Firm:
OKABE, Yuzuru et al. (No.602, Fuji Bldg.,2-3, Marunouchi 3-chome,,Chiyoda-k, Tokyo 05, 〒1000005, JP)
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Claims: