公开(公告)号：US3965686A

公开(公告)日：1976-06-29

申请号：US615707

申请日：1975-09-22

申请人： Jiro Saito ,  Kaoru Kimura ,  Hiroshi Kusuhara ,  Kazuyoshi Nakaguma

发明人： Jiro Saito ,  Kaoru Kimura ,  Hiroshi Kusuhara ,  Kazuyoshi Nakaguma

IPC分类号： E02B11/00 ,  E02D17/20 ,  E02D31/02

CPC分类号： E02D17/20 ,  E02B11/00 ,  E02D31/02

摘要： A flexible elongated member is embedded in a coarse non-woven fabric layer. The flexible elongated member has partially opened circumferential portions through which water enters into the flexible member, the circumferential portions and inside thereof forming a continuous drain passage not blocked by deformation of the flexible member.

摘要翻译： 柔性细长构件嵌入粗糙无纺布层中。 柔性细长构件具有部分打开的周向部分，水通过该圆周部分进入柔性构件，圆周部分和内部形成不被柔性构件的变形阻挡的连续排水通道。