Drainage system and method for artificial grass using spacing grid
US6877932B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 12, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Jul 12, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C3/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drainage system is provided for a synthetic grass turf assembly having a flexible and water permeable sheet backing for installation on a supporting soil substrate to provide a game playing surface. The draining system of the present invention prevents water from accumulating on the turf surface, which could cause the top-dressing layer to “float” and be moved by inundation. The draining system of the present invention includes a spacing grid disposed between the backing of the turf. The spacing grid is structured to permit water not only to be drained vertically through the spacing grid, but also to be drained horizontally through the spacing grid to the edges of the field. The spacing grid is made from one or more types of geotextile or plastics material with an adequate flexibility to improve the impact absorption capabilities and resilience of the synthetic grass turf assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.