Shape-recoverable resin foamed product
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United States of America Patent
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Jul 18, 2000
Issued Date -
N/A
app pub date -
Mar 24, 1998
filing date -
Jun 26, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A resin foamed product is formed of a resin, and closed cells dispersed in the resin. The resin with the closed cells therein has a shape-recoverable property at an ambient temperature, a closed cell rate higher than 30% and a compression permanent set lower than 10%. Thus, when contraction takes place in the resin with the closed cells, after a predetermined time has passed without providing an outer stimulation to the resin, a shape of the resin foamed product formed of the resin with the closed cells is automatically recovered at least in one direction without equally expanding in all directions.
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