发明名称 |
THREE PLY BOLTED TEMPORARY ROADMATS AND APPARATUS FOR MANUFACTURING SAME |
摘要 |
An apparatus for making temporary road mats characterized by multiple layers of mutually perpendicular elongated timbers having an array of vertical intersections aligned in lateral rows. The apparatus includes a gang drill that moves relative to a roughly assembled mat for sequentially drilling the lateral rows of intersections. |
申请公布号 |
CA2510404(A1) |
申请公布日期 |
2004.09.06 |
申请号 |
CA20042510404 |
申请日期 |
2004.03.29 |
申请人 |
HARRISON, RONALD |
发明人 |
HARRISON, RONALD |
分类号 |
B27B5/04;B27M3/00;B32B21/13;E01C9/08;E01D15/12;E01D21/00 |
主分类号 |
B27B5/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|