Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment
Patent
1983-03-31
1985-04-16
Corbin, David H.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Floatable matter containment
405 70, E02B 1504
Patent
active
045112851
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an oil-clearing element. In the event of undesired oil discharge in waterways it is desirable to be able to confine the oil and also to absorb it. Several proposals have been offered for surrounding the oil. Inflatable rubber hoses, for instance, have been placed on the surface of the waterway for this purpose. Other suggestions have also been forthcoming but none has so far functioned satisfactorily.
The object of the present invention is to provide an oil-clearing element enabling noticeably better confinement of undesired oil discharges in waterways. The element according to the present invention constitutes an elastomeric wall element which is immersed in a waterway so that it remains vertical, with a part above the water surface and preferably a large portion below the water surface. The wall element is provided with a number of absorption elements. The element is preferably rectangular and provided at its ends with splicing elements enabling several wall elements to be joined together. The element is provided on both sides with a number of sheet-shaped elements each pivotable about an axial parallel to the upper and lower edges of the wall element. The sheet-shaped elements can assume two positions: one perpendicular to the surface of the wall element and one in which the sheet-shaped elements abut the surface of the wall element.
The sheet-shaped elements are provided with restraining members such as cord, wire, chain or the like so that a sheet-shaped element moving from its abutting position to a position perpendicular to the wall element does not exceed the latter position.
Each wall element is provided at its ends with one or more rod-shaped elements. Said elements are used for connecting to similar rod-shaped elements in an adjacent wall element.
Further characteristics of the present invention are revealed in the following claims.
The present invention will be further described with reference to the three accompanying sheets of drawings, in which
FIG. 1 shows a wall element acting as oil-clearing element and provided with raised sheet-shaped elements on both sides,
FIG. 2 shows the same wall element as FIG. 1, but with the sheet-shaped elements lowered and in position for rolling up, and
FIGS. 3-6 show how one wall element is joined to an adjacent element.
The drawings show a rectangular wall element 1 made of elastomeric material such as plastic, rubber-impregnated fabric or the like. The element is provided with a number of transverse bracing elements spaced from each other, which may be attached in the wall element itself. These are to keep the wall element taut in the transverse direction. The wall element 1 has a lower edge 2 and an upper edge 3. The lower edge 2 is suitably shaped with a longitudinal channel or tubular section in which weights can be placed, if necessary.
Along a line parallel to the edges 2 and 3 are placed a number of sheet-shaped elements 5 and 6 on both sides of the wall element 1. The sheet-shaped elements 5 and 6 are pivotable to enable abutment against the surfaces of the wall element or to assume a position forming an angle to the wall element. The angle selected is preferably 90.degree. C. The sheet-shaped elements cannot exceed said position due to restraining elements 5A or 6A which may consist of a steel wire, cord or other similar means. The sheet-shaped elements may be arbitrary in shape and be made of any suitable material. It is preferred that the sheet-shaped elements be in the form of floating bodies which may be solid or hollow. The wall element 1 is provided at both ends with two rods 7-8 and 9-10. These rods are intended either to join the ends of the wall element together or to join several identical wall elements together. Joining is effected by providing the ends of the rods 7, 8, 9 and 10 with a ring or clamping means at the top and bottom. Other arrangements are also possible to join two ends to form one wall element.
Normally, a wall element according to the present invention is rolled up as intimated in FIG. 2.
REFERENCES:
patent: 3807177 (1974-04-01), Oberg
patent: 3849989 (1974-11-01), Preus
patent: 3868824 (1975-03-01), Thurman
patent: 4155664 (1979-05-01), Acheson
patent: 4303351 (1981-12-01), Milgram
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