Installation of highway drainage mat |
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| 申请号 | EP86870059 | 申请日 | 1986-04-28 | 公开(公告)号 | EP0200707A3 | 公开(公告)日 | 1987-09-30 |
| 申请人 | Monsanto Company; | 发明人 | Russell, Gerald O.; Van Dyke, James R.; | ||||
| 摘要 | Installation in a narrow trench of an elongated drainage mat which is not bendable in the plane of its base which is maintained in a vertical orientation. The installation is effected.by deflecting the top edge of the mat into a wave configuration to shorten the effective length of the top edge to cause the mat to follow a curve lying in a vertical plane within a narrow width. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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