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US 12,209,368 B2Granted
Synthetic turf with high drainage and manufacturing thereof
AssigneesSynthetic Turf Resources Corp., Polytex Sporbeläge Produktions-GmbH
InventorsStephan Sick, Kristan Michael Brown, Matthew Lee Henson, Chad D. Lands, Erin Anderson Tidwell
Life of this patent
Estimating the term…
Abstract
A synthetic turf (300) includes a plurality of synthetic turf fibers (102) knitted together to form a knitted backing layer (104) of the synthetic turf, and a water permeable polyurethane coat (114) formed on the knitted backing layer.
Claims13
A synthetic turf,
- characterized by comprising:
- a plurality of synthetic turf fibers knitted together to form a knitted backing layer of the synthetic turf;
- anchoring lines formed of a polymer material having a polar surface, the anchoring lines knitted into the knitted backing layer;
- and
- a water permeable polyurethane, PU, coat on the knitted backing layer,
- wherein the PU coat comprises a random or pseudo-random distribution of insular PU deposits formed by collapsed PU foam, wherein each insular PU deposit includes one or more capillaries and is porous to water,
- wherein the porosity and the distribution of the insular PU deposits enables the PU coat to be water permeable, and
- wherein the PU coat coats the knitted backing layer at between 7.37-8.85 ounces/yard2.
5 more elements
A method for manufacturing a synthetic turf,
- characterized by comprising:
- knitting together a plurality of synthetic turf fibers for forming a knitted backing layer of the synthetic turf;
- knitting anchoring lines into the knitted backing layer, wherein the anchoring lines are formed of a polymer material having a polar surface;
- and
- applying a polyurethane, PU, to the knitted backing layer for forming a PU coat at between 7.37-8.85 ounces/yard2,
- wherein applying the PU to the knitted backing layer comprises applying the PU as a PU foam,
- wherein upon collapse of the PU foam, the PU coat comprises a random distribution of insular PU deposits, wherein each insular PU deposit includes one or more capillaries and is porous to water, and
- wherein the porosity and the random distribution of the insular PU deposits enables the PU coat to be water permeable.
5 more elements
Dependencies are inferred from the claim text.