MATERIAL WITH SELF-LOCKING BARBS
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United States of America Patent
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Issued Date -
Aug 11, 2016
app pub date -
Feb 9, 2015
filing date -
Feb 9, 2015
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Abstract
A textured sheet of ductile material with self-locking barbs extending from a face of the sheet of ductile material. Each self-locking barb is curved so that one side is convex and an opposite side is concave, and a thrust line perpendicular to the face of the sheet lies entirely within each self-locking barb. When a barb is pressed into a substrate, the barb deflects while the barb penetrates into the substrate so that textured sheet is bound to the substrate with a portion of the substrate material above a portion of the barb, providing pull-out resistance. Laminates formed with such textured sheets and methods of producing same are also provided, including a method of pressing the textured sheet into a substrate while the sheet is curved away from the substrate, resulting in fan-out of the barbs and lateral deflection forces on the barbs as they penetrate the substrate.
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