Horizontally draining artificial turf system
DC
First Claim
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1. An apparatus to drain turf, the apparatus comprising:
- a sloped blanket positioned immediately beneath a horizontal permeable layer of said turf with a plurality of vertical openings to direct water vertically to said blanket;
said blanket comprises a plurality of horizontal openings to direct water horizontally within said blanket;
a permeable base beneath at least a portion of the blanket to allow the water from the blanket to flow vertically; and
a pipe inside the base to collect and direct the water to a main drainage system.
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Abstract
A horizontally draining artificial turf system comprises an impervious base at proper slope, an impermeable layer or drainage blanket over the base at a corresponding slope for guiding water horizontally, an artificial turf at top of the impermeable layer, and a perforated pipe near the lower edge of the base for receiving water for evacuation. Rainwater over the artificial turf first drains vertically onto the impermeable layer and then flows along the impermeable layer to reach the perforated pipe, without infiltrating into the base. Alternatively, a partially pervious drainage blanket is provided in lieu of the impermeable layer where the base is partially pervious. Backup rainwater runs off the drainage blanket horizontally after it saturates the soils of the base.
33 Citations
22 Claims
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1. An apparatus to drain turf, the apparatus comprising:
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a sloped blanket positioned immediately beneath a horizontal permeable layer of said turf with a plurality of vertical openings to direct water vertically to said blanket; said blanket comprises a plurality of horizontal openings to direct water horizontally within said blanket; a permeable base beneath at least a portion of the blanket to allow the water from the blanket to flow vertically; and a pipe inside the base to collect and direct the water to a main drainage system. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus to drain turf, the apparatus comprising:
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a sloped blanket positioned immediately beneath a horizontal permeable turf layer with a plurality of vertical openings to direct water vertically to said blanket; a permeable stone and rock base positioned immediately beneath the blanket to allow the water from a portion of the blanket to flow vertically; a pipe inside the base to collect the water to direct the water to a main drainage system; a plurality of horizontal openings in a middle portion of the blanket, wherein the plurality of vertical openings on a top portion of the blanket direct water flowing from the vertical openings into the plurality of horizontal openings which direct the water horizontally to the main drainage system; and wherein the plurality of vertical openings reach the bottom of the blanket, thereby allowing the water to travel into the plurality of horizontal openings and to a plurality of vertical openings in predetermined locations on the bottom of the blanket to direct water to the main drainage system. - View Dependent Claims (7, 8, 9)
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10. A blanket to direct water flowing vertically from an artificial turf to a horizontal water flow, the blanket comprising:
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a core made of water-resistant material; a top layer made of permeable material; a bottom layer made of impermeable material to direct the water flowing from the artificial turf horizontally; and
expansion joints located throughout the blanket. - View Dependent Claims (11, 12, 13, 14)
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15. An apparatus to drain artificial turf, the apparatus comprising:
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means located immediately under the artificial turf for collecting rainfall beneath the artificial turf and directing said rainfall horizontally; and means at predetermined positions within the collecting means for directing the rainfall vertically to a drainage system. - View Dependent Claims (16, 18)
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17. An artificial turf drainage system comprising:
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a drainage membrane positioned immediately under said artificial turf, said membrane provides a horizontal water flow to a main drainage system; a base located immediately under said membrane, said base stabilized by adjusting the moisture content of said base to be at approximately optimal moisture content; and means for sealing said base from water intrusion, said sealing means including quasi-impervious stone.
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19. A method of draining turf comprising the steps of:
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positioning a drainage blanket immediately under said turf, said turf comprising a horizontal permeable layer with a plurality of vertical openings to direct water vertically to said blanket; providing a plurality of horizontal openings in said blanket to direct water horizontally within said blanket; positioning a permeable base beneath at least a portion of said blanket to allow water from said blanket to flow vertically; and providing a pipe inside said base to collect said water and direct said water to a main drainage system. - View Dependent Claims (20)
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21. A method of draining an artificial turf comprising the steps of:
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positioning an impervious membrane immediately under said artificial turf, said membrane internally directing water from said turf horizontally within said membrane; positioning a base material immediately under said membrane; stabilizing said base material by adjusting the moisture content of said base to have approximately optimal moisture content; and
Pg,24sealing said base material from water intrusion by said base material including quasi-impervious stone. - View Dependent Claims (22)
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Specification
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Litigation Data
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Current AssigneeDawson Holdings, LLC
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Original AssigneeGSE Lining Technology Incorporated
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InventorsDaluise, Daniel A.
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Primary Examiner(s)LAGMAN, FREDERICK LYNDON
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Application NumberUS11/002,716Publication NumberTime in Patent Office698 DaysField of Search405/43, 405/45, 405/46, 405/50, 521/695, 521/692, 428/137, 428/167US Class Current405/43CPC Class CodesE01C 13/08 Surfaces simulating grass ;...
