Substructure for an artificial lawn
AssigneeDesso Sports Systems N.V.
InventorsPeter Van Reijen, Ronald Koning
Life of this patent
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Abstract
A substructure (1) for an artificial lawn, comprising a top layer (4) of artificial grass fibers (5) and a substratum (2), which substratum comprises a number of individual layers, including a base layer (2), an intermediate layer (7) positioned on top of said base layer an a sand layer (3) positioned on top of said intermediate layer, wherein said sand layer comprises at least two sublayers, wherein the first sublayer (11) comprises a sand fraction having a particle size which is larger than the particle size of the sand fraction of the second sublayer (13).
Claims17
A substructure for an artificial lawn, comprising a top layer of artificial grass fibres and a substratum positioned under said top layer, which substratum comprises a number of individual layers, including a base layer, an intermediate layer positioned on top of said base layer and a sand layer positioned on top of said intermediate layer,
- characterised in that said sand layer consists of at least two sublayers consisting of sand, wherein the first sublayer is a sand fraction having a particle size which is larger than the particle size of the sand fraction of the second sublayer, characterised in that the sublayer having the sand fraction having a particle size which is larger than the particle size of the sand fraction of the second sublayer is positioned near the top layer,
- characterised in that a system of pipes is present in the sand layer, through which system of pipes water can be passed, wherein water can exit to the sand layer,
- characterised in that the pipe system in the sand layer is positioned in the sublayer that exhibits a particle size smaller than that of said one or more other sublayers.
Dependencies are inferred from the claim text.