Method of producing opened fiber bundle, and method of producing cleaning member, apparatus which opens fiber bundle, and system which produces cleaning member
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United States of America Patent
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Sep 12, 2017
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N/A
app pub date -
Jan 25, 2013
filing date -
Dec 29, 2012
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Abstract
A method of producing an opened fiber bundle is in a space-saving manner. The method of continuously producing an opened fiber bundle for a cleaning member, includes the steps of (a1) providing (i) first nip rolls, (ii) second nip rolls, (iii) third nip rolls, and (iv) an air feeder; (a2) conveying a fiber bundle using the first nip rolls and the second nip rolls to apply a tensile force to the fiber bundle; (a3) conveying the fiber bundle using the second nip rolls and the third nip rolls to relax the fiber bundle, thereby forming a belt-shaped fiber bundle; and (a4) blowing air from the air feeder in a direction intersecting with the conveying direction of the first belt-shaped fiber bundle.
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