| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an inexpensive pipe guard capable of corresponding to change of diameter of a through hole, preventing it from coming off, and protecting a wire and a pipe securely and having a simple structure. <P>SOLUTION: This pipe guard is formed into a cylindrical body by winding a steel plate and has spring property, and end parts in the peripheral direction are slidably overlapped. In a normal condition, end parts 2, 3 in the peripheral direction are mutually overlapped, and its outside diameter is slightly larger than diameter of the through hole 6 in which they are inserted. A protruding bar 4 for preventing coming-off and reinforcing or a projection may be provided in a part except parts close to the end parts 2, 3 in the peripheral direction on an outer peripheral face of the cylindrical body. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
