Draining mat with high constant pressure

Details Draining mat with high constant pressure Draining mat with high constant pressure

B - Operations, Transporting

32

B

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B32B 5/16 (2006.01) B01D 39/08 (2006.01) B09B 1/00 (2006.01) E02B 11/00 (2006.01) E02D 31/00 (2006.01)

Patent

CA 1320346

ABSTRACT A draining mat having high compressive strength and consisting of two non woven fabrics with granules arranged stationarily therebetween. The granules are arranged in a single layer and are spaced from one another at a distance equal to at least 50% of the average grain size. One of the two fabrics is basically a filter bed, while the second fabric may be a filter bed or a dense web. A three dimensional mat, with positioning locations for the granules may also be arranged between the two fabrics. This draining mat is suitable for the production of dump bottoms.

539890

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