Hydraulic and earth engineering – Bank – shore – or bed protection
Patent
1981-09-09
1984-11-20
Leppink, James A.
Hydraulic and earth engineering
Bank, shore, or bed protection
405 30, 405 32, 210170, E02B 304
Patent
active
044836406
ABSTRACT:
A portable erosion control device for filtering run-off water. Two substantially vertically disposed side members are arranged substantially orthogonally with respect to two vertically disposed end members. The side members and end members form a box-like framework. The side members include a plurality of openings large enough to permit a flow of water therethrough. Said side members are substantially impervious to the flow of water therethrough. Partition members extend between the end walls of the box-like framework and are spaced with respect to each other to form a plurality of compartments within the box-like framework. Gripping members are positioned on the end members for facilitating the lifting and subsequent positioning of the box-like framework relative to ground level. Filtering material is positioned between the partition members and the side members. The box-like framework includes an open bottom and open top. The open top permits filtering material to be positioned in the plurality of compartments. The open bottom permits filtering material to be dispensed from the box-like framework when it is elevated above ground level.
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patent: 4330222 (1982-05-01), Klein
Berger Robert C.
Smack James W.
Hjorth Beverly E.
Leppink James A.
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