Geotextile having soil treatment compound and method
AssigneeReemay, Inc.
InventorLeon H. Zimmerman
Life of this patent
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Abstract
A geotextile having a soil treatment compound includes a porous sheet having a plurality of spaced nodules of composite material secured to the sheet. The nodules are composed of a soil treating agent and a binder which is injected through the sheet and solidified, such that the sheet is enmeshed by the nodules.
Claims13
Method of preparing a porous web having an active slow release treatment agent incorporated therein, said method comprising the steps of preparing a liquid mixture of the active treatment agent and a binder for said agent, injecting the liquid mixture through one side of the porous web at a plurality of locations to form a plurality of spaced nodules of said mixture on the other side of the web, and solidifying the nodules to bond the nodules to the web.
A geotextile containing an active treatment agent incorporated therein, said geotextile comprising a porous sheet of filamentary polymeric material, and a plurality of spaced solid nodules projecting from one side of the sheet, said nodules comprising said active treatment agent dispersed in a solid polymeric matrix, said nodules being held in permanent position on said sheet by having been injected through said sheet with a portion of each nodule bonded around the filaments of the sheet.
Dependencies are inferred from the claim text.