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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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