HETEROGENEOUS ARTIFICIAL TURF FILLER Russian patent published in 2023 - IPC E01C13/08 

FIELD: artificial turf.

SUBSTANCE: artificial turf, which contains synthetic filaments or fibres imitating grass, which are glued to the substrate, and a filler having a layer among the filaments or fibres dispersed in form of heterogeneous extruded particles based on polyvinyl chloride. The heterogeneous extruded particles come in a variety of shapes, which include a teardrop shape. Moreover, the plurality of particles additionally includes a combination of asymmetric shapes of at least three different sizes.

EFFECT: improvement of technical characteristics of artificial turf.

16 cl, 3 dwg, 3 tbl