Triple sheet thermoforming apparatus, methods and articles
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United States of America Patent
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-
Sep 25, 2001
Grant Date -
N/A
app pub date -
Aug 20, 1999
filing date -
Aug 20, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A method of manufacturing a thermoplastic article including heating first and second thermoplastic sheets and conforming the first and second thermoplastic sheets to corresponding molds. The first and second thermoplastic are then joined to form a sheet subassembly. The method further includes heating a third thermoplastic sheet and conforming the third thermoplastic sheet to a corresponding mold. The third thermoplastic sheet is then joined to the sheet subassembly.
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