B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/08 (2006.01) B05D 1/38 (2006.01) B32B 5/30 (2006.01) B32B 7/02 (2006.01) B32B 29/00 (2006.01) E02D 31/00 (2006.01)
Patent
CA 2100100
A method of manufacturing a water barrier fabric, in flexible or rigid form, and articles 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. In a preferred embodiment, one, or both, major surfaces of the fabric is coated with a water-insoluble adhesive to substantially increase the tensile strength of the fabric and to prevent shifting of fibers when installed on sloping surfaces.
American Colloid Company
Fetherstonhaugh & Co.
LandOfFree
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