Drainage tube

Details Drainage tube Drainage tube

E - Fixed Constructions

02

B

61/32

E02B 11/00 (2006.01) E01F 5/00 (2006.01) E02D 3/10 (2006.01)

Patent

CA 1188902

-1- DRAINAGE TUBE ABSTRACT Subsoil drain strip or blanket comprising a core surrounded by a polymer or glass fibre filter cloth. The core has a generally planar configuration with formed-in projections on one or both sides which create internal volume for flow of water as well as supporting the filter cloth against imposed soil loads. The length of the supporting projections on each side of the core is to be greater than one quarter of their closest spacing so that adequate longitudinal flow of water can take place in the strip without the need for additional drainage tubes to be provided.

412042

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