| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pipe-type jumper device that requires no metal fitting for attaching accessories, such as metal hanger, earthing fitting, or jumper horn, to a pipe conductor or a spacer for maintaining pipe conductor spacing. <P>SOLUTION: The pipe conductor of the pipe-type jumper device is constituted of a single flat pipe conductor 29 whose cross-sectional width is larger than its cross-sectional height.A metal hanger 17, an earthing fitting 19, and a jumper horn 21 are directly fixed on the upper surface of the flat pipe conductor 29 with a bolt and a nut. No spacer is used. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
