METHOD FOR MANUFACTURING LAMINATE SHAPED TO HAVE IRREGULARITIES, LAMINATE FOR SHAPING IRREGULARITIES, AND LAMINATE SHAPED TO HAVE IRREGULARITIES
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Jun 30, 2022
filing date -
Jun 30, 2021
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Abstract
The purpose of the present invention is to provide a laminate shaped to have fine irregularities using a general-purpose soft polyurethane foam without using a soft polyurethane foam having a special configuration. A soft polyurethane foam and a flexible surface member are laminated via a moisture-curing hot-melt adhesive. By curing the moisture-curing hot-melt adhesive, the soft polyurethane foam and the surface member are laminated and integrated with each other to form a laminate for shaping irregularities. The laminate for shaping irregularities is heated and compressed by a heating compression device having irregularities on a pressing surface thereof to shape irregularities on a surface of the laminate for shaping irregularities.
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