公开(公告)号：US3597928A

公开(公告)日：1971-08-10

申请号：US3597928D

申请日：1968-09-12

Applicant: JAN CAREL PILAAR

Inventor： PILAAR JAN CAREL

IPC: E02B3/14 ,  A01B79/00 ,  A01C21/00 ,  A01G13/00 ,  A01G13/02 ,  E01C5/00 ,  E01C19/52 ,  E02B3/12 ,  E02D17/20 ,  E02D31/00 ,  E21D11/38

CPC classification number: A01G13/0268 ,  A01C21/00 ,  E01C19/522 ,  E01C2201/167 ,  E02B3/122 ,  E02B3/126

Abstract: The invention relates to an erosion-controlling protective surfacing for the soil comprising flexible liquid-permeable supporting sheet means conforming to the contour of the soil and a mat of blocks on said supporting sheet means, said mat having drainage passageways therethrough so that water can pass through the surfacing. Preferably, the surfacing includes filter means and the blocks are secured to the supporting sheet means.

公开(公告)号：US3148482A

公开(公告)日：1964-09-15

申请号：US76749758

申请日：1958-10-14

Applicant: NEALE JOHN D

Inventor： NEALE JOHN D

IPC: E01C5/00 ,  E04F15/02

CPC classification number: E04F15/02 ,  E01C5/003 ,  E01C2201/167