METHOD AND DEVICE FOR MANUFACTURING RESIN LAMINATE
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Sep 12, 2013
filing date -
Oct 31, 2012
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Abstract
There is provided a method for efficiently and inexpensively providing a resin laminate having a foamed resin layer without using a bonding agent. The method for manufacturing a resin laminate includes the steps of: supplying a molten foamable resin composition 11 in a non-foamed state to a first manifold 4 of a multi-manifold mold 1; supplying a second resin composition 12 for forming a non-foamed resin layer to a second manifold 5; in the multi-manifold mold 1, extruding the foamable resin composition 11 from the first manifold 4 to a merging and laminating part 3 and releasing pressure to thereby cause foaming to form a foamed resin layer 11A; and, before solidification of the foamed resin layer 11, extruding a non-foamed resin layer 12A extruded from the second manifold 5 and laminating the non-foamed resin layer 12A to the foamed resin layer 11A.
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