Thermoplastic sandwich structural item and twin sheet moulding method of making same
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United States of America Patent
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N/A
Issued Date -
Jan 2, 2003
app pub date -
Jun 3, 2002
filing date -
Jun 1, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method for molding panels in a sheet molding system comprised of a thermoplastic sheet delivery station and two mold halves, the method comprising the steps of delivering two sheeting layers of thermoplastic material between the two mold halves; inserting a rigidizing insert between the two sheeting layers of thermoplastic material; closing the mold halves to bring the two sheeting layers of thermoplastic material in contact with the insert; and compressing the thermoplastic sandwich between the mold halves to form a panel. A thermoplastic-insert sandwich and a laminate panel comprised of thermoplastic layers abutting a pre-manufactured insert are also claimed.
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