| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To easily and surely separate a steel pipe and a content while relatively saving time and efforts regarding a used steel pipe, which is used for an auxiliary construction method of tunnel construction or the like, internally filled with the content including an injection material. <P>SOLUTION: A separate processing apparatus comprises a movable carrier 20 which holds a steel pipe at a predetermined position and is movable in an axial direction of the held steel pipe with respect to an apparatus body 10, moving means 30 which moves the movable carrier 20, steel pipe cutting means 40 which cuts the steel pipe in the axial direction from an end portion of the steel pipe in at least a portion of the steel pipe in a circumferential direction with movement of the movable carrier 20 by the moving means, and a steel pipe expansion wedge device 50 which is disposed at a moving direction side of the movable carrier 20 rather than the steel pipe cutting means 40, enters a cut-end of the steel pipe cut by the steel pipe cutting means 40 with the movement of the movable carrier 20, and pushes out the cut-end to expand the steel pipe. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
