D - Textiles – Paper – 01 – B
Patent
D - Textiles, Paper
01
B
D01B 9/00 (2006.01) D02J 3/02 (2006.01) D06C 15/14 (2006.01) D06C 19/00 (2006.01) D06P 7/00 (2006.01)
Patent
CA 2053375
ABSTRACT OF THE DISCLOSURE A method and apparatus is provided for modifying fiber or fabric by fatiguing that creates at least one of the following characteristics including: axially aligned cracks, physical change created by the bending and compression of the fiber along the fiber's longitudinal axis taking the form of kink bands, enlarged segregated fibular tangles or enlarged nodes. Fatiguing is defined as repeated stress on fiber by high velocity impact that bends the fiber and compresses it in a direction parallel to the fiber's longitudinal axis. Fatiguing results in softer hand and/or improved dyeability in some fabrics, including but not limited to liquid crystal fabrics and cellulosic vegetable fabrics. The application of one or more gas jets directed away from the interior curved surface of a cylinder, generating a vortex which rapidly and repeatedly cycles the substrate at low tension past the gas jets. The rapid vibrations generated in the substrate by the jets serve to break apart fiber to fiber bonds caused by finish and loosen up the structure of the yarns and that of the substrate. This creates a desired aged appearance as well as a very soft texture.
Dischler Louis
Gowling Lafleur Henderson Llp
Milliken Research Corporation
LandOfFree
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