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US 12,655,587 B1Granted
Aragonite based infill material
AssigneeDawson Holdings, LLC
InventorCharles Dawson
Life of this patent
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Abstract
A method of constructing a sports field including the steps of (a) placing a drainage base on a section of ground to be occupied by the sports field; then (b) placing a turf over the drainage base; and finally, (c) distributing an infill material over the artificial turf with a loading of between 0.5 and 8 lbs/ft2, wherein the infill material comprises at least 75% by weight orthorhombic CaCO3.
Claims13
An aragonite-based infill material comprising:
- (a) at least 75% by weight aragonite granules within a 20/100 mesh ratio;
- and
- (b) an at least 0.5 μm thick coating formed on the granules, the coating being substantially hydrophobic, where water forms a contact angle Θ with the coating of at least 80°.
A method of manufacturing an aragonite-based infill material comprising the steps of:
- (a) providing aragonite granules at least 75% by weight within a 20/100 mesh ratio;
- and
- (b) wetting the surface of the granules with a siloxane-based liquid compound and/or silane-based liquid compound, wherein the liquid compound is applied at a quantity of 1 gallon per 100 ft2 to 1 gallon per 1000 ft2 of specific surface area.
A method of constructing a sports field comprising the steps of:
- (a) placing a drainage base on a section of ground to be occupied by the sports field;
- (b) placing an artificial turf over the drainage base;
- (c) distributing an infill material over the artificial turf with a loading of between 0.5 and 8 lbs/ft2, wherein the infill material comprises:
- (i) at least 75% by weight orthorhombic CaCO3 within a 20/100 mesh ratio;
- and
- (ii) a 0.25 um to 1.0 um thick coating formed on the granules, the coating consists essentially of a siloxane-based compound and/or silane-based compound.
3 more elements
Dependencies are inferred from the claim text.