Method and apparatus for sorting fibers
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United States of America Patent
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Dec 8, 2015
Grant Date -
Jan 22, 2015
app pub date -
Jul 17, 2013
filing date -
Jul 17, 2013
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Abstract
An apparatus and methods for sorting and determining the length distribution of fibers in a sample are disclosed. One method of sorting and determining the length distribution of fibers includes immersing the fibers in a liquid to form a mixture; placing the mixture into a stack of sieves; progressively applying a predetermined number of frequencies of sound energy to each sieve in the stack of sieves; draining the mixture from the stack of sieves; and quantifying the collected fibers in each sieve in the stack of sieves.
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