HUMIDITY CONTROLLING CONTAINER
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United States of America Patent
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Jan 25, 2016
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Mar 31, 2015
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Abstract
A humidity controlling container including an accommodating chamber wherein a wall portion thereof includes an innermost layer which defines the accommodating chamber, a first resin composition layer which surrounds innermost layer from the accommodating chamber's opposite side, a second resin composition layer which surrounds first resin composition layer from the accommodating chamber's opposite side, and an outermost layer which surrounds second resin composition layer from the accommodating chamber's opposite side, wherein first resin composition layer has a higher dehumidification capacity than the second resin composition layer, the second resin composition layer has a larger water absorbable amount than first resin composition layer, the innermost and outermost layers are formed of an olefin-based resin, the first and second resin composition layer are formed of an olefin-based resin mixed with a moisture absorbent, and an intermediate layer formed of an olefin-based resin is interposed between the first and second resin composition layers.
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