METHOD FOR ASSESSING THE PERMANENCY OF CHANNELS IN AN ABSORBENT CORE
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United States of America Patent
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Issued Date -
Nov 24, 2016
app pub date -
May 19, 2016
filing date -
May 22, 2015
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Abstract
A method for evaluating the permanency of channels in an absorbent core, the method comprising the steps of: providing an absorbent core (28), optionally in an absorbent article (20), wherein the absorbent layer comprises at least one channel (26), preferably at least two channels, extending in the longitudinal direction; providing a liquid (40); pouring the liquid into the absorbent core so that the absorbent core absorbs at least some of the liquid; optionally squeezing or shaking the absorbent core; cutting the absorbent core in the transversal direction; and evaluating the presence or absence of channel bonds (27), and if channel bonds are present optionally evaluating the quality of the channel bonds.
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