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公开(公告)号:US5836716A
公开(公告)日:1998-11-17
申请号:US795988
申请日:1997-02-05
IPC分类号: E02B11/00
CPC分类号: E02B11/005
摘要: A subsurface drainage pipe includes a tubular main pipe body having inner and outer surfaces and a longitudinal central axis. Walls defining a plurality of slot-shaped apertures through the inner and outer surfaces along the length of the main pipe body are provided. The slot shaped apertures are angled with respect to the central axis.
摘要翻译: 地下排水管包括具有内表面和外表面以及纵向中心轴线的管状主管体。 提供了沿着主管体的长度通过内表面和外表面限定多个槽形孔的壁。 槽形孔相对于中心轴成一定角度。