Being the trough for open channel regeneration and the trough

摘要

PROBLEM TO BE SOLVED: To provide an open channel regenerating trough easy to load/unload on/from a truck, superior in site constructing efficiency and suitable for repairing an agricultural channel.;SOLUTION: The open channel regenerating trough 1 for repairing an existing open channel at its inner face comprises a plurality of hard plate materials 2 connected at their single faces to each other via soft surface materials 3. This method of manufacturing the open channel regenerating trough 1 comprises laminating the soft surface material 3 on the hard plate material 2 into one unit and then cutting the hard plate material 2 without cutting the surface material 3 to form the plurality of hard plate materials 3.;COPYRIGHT: (C)2006,JPO&NCIPI