Thermoplastic resin foam and method of preparing the same
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United States of America Patent
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Aug 17, 1999
Grant Date -
N/A
app pub date -
Sep 23, 1996
filing date -
Dec 14, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A foam molding is disclosed which is light, excellent in bending strength, and excellent in balance between compressive strength and compression permanent strain. The foam molding comprises thermoplastic resin high expanded foams whose overall outer surfaces are covered with thermoplastic resin low-expanded-foam thin layers. The foams are thermally fused with each other through the aforementioned low-expanded-foam thin layers.
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