Synthetic grass structure

Details Synthetic grass structure Synthetic grass structure

2005-10-04

2005-10-04

Thomas, Alexander S. (Department: 1772)

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

Flora

C428S087000, C273SDIG001

Reexamination Certificate

active

06951670

ABSTRACT:
A synthetic grass structure comprises a sheet substrate with a plurality of filiform formations extending from the substrate so as to simulate natural grass cover and a particulate filling material or infill consisting of a substantially homogeneous mass of a granular plastic material dispersed between the filiform formations so as to keep them in a substantially upright condition. The infill forms a layer of thickness not greater than 40 millimeters, has a grain size smaller than 5 millimeters, and consists of plastic material with a value of elastic return such that the structure has a KA value of 35-50, which enables its use for making athletics tracks.

REFERENCES:
patent: 5958527 (1999-09-01), Prévost
patent: 3721812 (1989-02-01), None
patent: 1158099 (2001-11-01), None
translation of German Patent No. 3721812 A1.

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