Injection molded product and method for manufacturing same
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United States of America Patent
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Sep 12, 2017
Grant Date -
Mar 5, 2015
app pub date -
Mar 26, 2013
filing date -
Apr 2, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In an injection molded product of the invention, an unevenness forming portion having unevenness formed by thermal expansion of thermally expandable capsules is formed. The injection molded product includes a highly expanded portion that is formed at a surface side of the unevenness forming portion in a thickness direction of the injection molded product and in which the thermally expandable capsules are thermally expanded, and a main body portion that is a portion adjacent to the highly expanded portion in the thickness direction and in which the thermally expandable capsules are substantially not thermally expanded. The thickness of the highly expanded portion is a half or smaller than the thickness of the injection molded product in the unevenness forming portion, and a polymer material of the highly expanded portion and a polymer material of the main body portion are the same polymer material.
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