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AssigneeAMCOL International Corporation
InventorsJerald W. Darlington, Jr., Robert J. Trauger, Natalie A. Dotlich
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A waterproofing article in the form of rod-, or rope-shaped clay-containing compositions, and a method of waterproofing using the article, whereby a water-penetrable, degradable, or water-soluble film or coating forms an outer surface of the article for avoiding premature hydration of an underlying clay-containing composition. In the preferred embodiment, an inner core of a water-swellable clay-containing composition includes a coating of a water-removable or degradable material, completely encasing the major outer surfaces of the composition, having controlled, predetermined water-penetration; high pH degradability; or water-solubility so that the core of water-swellable clay-containing composition is quickly hydrated after water-penetration of the coating material, and to prevent clay hydration during installation, prior to water-penetration of the coating material.
A water barrier, in a shape of a rod or rope, having a length to width ratio of at least 10, adapted to be secured to an area of potential water flow comprising a flexible, water-impermeable, clay-containing composition core having a co-extruded coating layer of a water-penetrable material thereover, said coating layer having a predetermined water-penetration rate to allow for wetting of the coating layer during installation without hydrating the underlying clay.
A method of manufacturing a water barrier in a shape of a rod or rope, having a length to width ratio of at least 10, comprising extruding a core of a clay-containing composition and co-extruding an outer coating layer of a water-penetrable material thereover, said coating preventing water from contacting the core composition during installation and removable by water contact after installation.
Dependencies are inferred from the claim text.