发明名称 SWITCHING DEVICE OF INSULATOR SHAPE
摘要 <p><P>PROBLEM TO BE SOLVED: To enable to directly detect the contact point open/close state of a switching device of a circuit breaker and a disconnecting switch by visual observation. <P>SOLUTION: A porcelain tube to house a stationary electrode and a movable electrode of the switching device is constituted of a composite porcelain tube using a transparent or a semi-transparent FRP and a silicone rubber sheath. <P>COPYRIGHT: (C)2004,JPO</p>
申请公布号 JP2003323836(A) 申请公布日期 2003.11.14
申请号 JP20020128208 申请日期 2002.04.30
申请人 TOSHIBA CORP 发明人 MURASE HIROSHI;TOYODA MITSURU;INOHARA TOSHIAKI;HIRANO YOSHIHIKO
分类号 H02B13/02;H01H33/56;(IPC1-7):H01H33/56 主分类号 H02B13/02
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