发明名称 |
STRUCTURE OF UNDERGROUND MULTI-PURPOSE DUCT FOR LAYING ELECTRIC WIRE |
摘要 |
<p>PURPOSE: To provide the structure of a underground multi-purpose duct for laying electric wires where the duct can be easily and accurately aligned and the electric wires can be easily laid. CONSTITUTION: A plurality of unit pipe bodies 1a and 1b are connected in longitudinal direction for forming an underground multi-purpose duct and an electric wire is laid in the duct. A flange 8 is arranged on the outer surface of both edge parts of the unit pipe bodies 1a and 1b, a small-diameter insertion part is formed at one edge of the unit pipe bodies 1a and 1b and a part projecting from a flange mounting part is formed, the insertion part is engaged to the inner surface of the edge part of the facing unit pipe body, and the flanges 8 which face each other are connected by bolts.</p> |
申请公布号 |
JPH08340624(A) |
申请公布日期 |
1996.12.24 |
申请号 |
JP19950146434 |
申请日期 |
1995.06.13 |
申请人 |
MITSUI ENG & SHIPBUILD CO LTD |
发明人 |
MATSUMOTO SHIGERU;FUKAZAWA KEISHI;KUROSAKA YOSHIJI;IKETANI NOBUTAKA |
分类号 |
H02G1/06;H02G9/06;(IPC1-7):H02G9/06 |
主分类号 |
H02G1/06 |
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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