Water barrier formed from a clay-fiber mat
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United States of America Patent
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Aug 24, 1993
Issued Date -
N/A
app pub date -
Apr 2, 1991
filing date -
Dec 17, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a water barrier fabric, in flexible or rigid form, and article manufactured thereby, formed by dispersing a water-absorbent material, in powdered or granular form, among a mass of fibers during the formation of a loose mat of said fibers, to homogeneously disperse the powdered or granular water-absorbent material above, below and on each side of the fibers forming the mat, and thereafter densifying and structurally consolidating the mat, to secure the fibers in position surrounding and entrapping the water-absorbent material, such as by sewing, quilting, needle punching or otherwise bonding the fibers into a consolidated, structurally secure fabric at least partially filled with the powdered or granular water-absorbent material.
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