| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pull-out/insertion type support column which can properly erect a buried pipe to be buried into the ground and a support column, is safe and simple in constitution, does not cause the intrusion of sand or the like, and is excellent in workability. <P>SOLUTION: The pull-out/insertion type support column is constituted of: the buried pipe which is used in an outdoor ball game or the like, is buried into the ground and has a hole; and a column body which is erected on the ground surface by being inserted into the hole of the buried pipe. A taper part spread upwardly is formed at the upper end side of the buried pipe, and the lower end side of the column body is formed into a semi-spherical shape in order to be buried into the hole along the tapered part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
