Composite components of sandwich construction
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United States of America Patent
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-
Dec 17, 1985
Grant Date -
N/A
app pub date -
Apr 18, 1983
filing date -
Apr 27, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A composite sandwich formed by enclosing a central resilient layer of a soft compressible material between two plate-shaped parts of foamable synthetic material and inserting the assembly into a cavity formed from two shells of prefabricated sheet metal. The resultant composite is subjected to a heat treatment for about 10 minutes at about 200.degree. C. so that the foamable material expands to fill the cavity.
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