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US 4,304,069 AGranted
Slope protection method for planting
AssigneeNittoku Kensetsu Kabushiki Kaisha
InventorTsuguo Kobayashi
Life of this patent
Estimating the term…
Abstract
Soil including a setting agent such as fiber-soil-cement or the like is sprayed onto a slope so that corrugations extending substantially in parallel to the horizon are formed. Grooves and ridges of the corrugated surface provide conditions for allowing plants to grow on the protected slope.
Claims2
A method for protecting a soilless slope having substantially no soil thereon while allowing planting and plant growth thereon, comprising the steps of:
- preparing sprayable soil including a setting agent and having a consistency high enough to prevent sagging and running of the soil sprayed onto the slope;
- and
- spraying said sprayable soil onto the entire surface of the slope to be protected and forming a corrugated surface of the sprayed soil thereover with the corrugations of said corrugated surface extending substantially parallel to the horizon, and with said corrugated surface having a plurality of ridges spaced at a pitch of from about 25 cm to about 30 cm, the height of said ridges being from about 4 cm to about 6 cm, and the mean thickness of the sprayed soil being about 7 cm.
Dependencies are inferred from the claim text.