Device for placing material on or beneath the soil surface and method for doing the same
US7581684B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 25, 2005 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Sep 2, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C23/047
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention includes a towable device for treating and maintaining turf, which includes at least one roller and manifold assembly that further includes at least one injection head for directing periodic jets of liquid and at least one additive material into the ground, where the at least one injection head creates a discharge pattern greater than 30 inches in width. Also included is a liquid supply system for supplying pressurized liquid to the at least one injection head, an additive supply system for introducing the at least one additive material to the liquid within the at least one injection head, and a control system for controlling discharge from the at least one injection head. Additionally, the invention includes a method of treating and maintaining turf.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.