A liner for repairing a culvert includes a substantially semi-cylindrical body having an inside surface and an outside surface. The liner is configured for attachment to an inside surface of a culvert and has a shape corresponding to the inside surface of the culvert.
申请公布号
US2012009018(A1)
申请公布日期
2012.01.12
申请号
US201113180935
申请日期
2011.07.12
申请人
MARQUIS JACOB J.;THIBODEAU ALEXANDER J.;KENWAY CORPORATION;UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES