Process for producing sandwich structures with particulate material pattern
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United States of America Patent
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app pub date -
Jul 28, 2005
filing date -
Jul 28, 2004
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Abstract
The present invention is concerned with a process for forming a very well defined pattern of particulate material in a composite material comprising a web material and particulate absorbent material. The present invention relates also to a method for determining the equipment design and process parameter for such a process. In a particular application, the present invention provides a process for preparing liquid absorbent structures, such as may be useful for disposable absorbent articles.
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