Plastic container having pearl-like appearance and process for producing the same
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United States of America Patent
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Mar 19, 2013
Grant Date -
Jan 29, 2009
app pub date -
Jul 7, 2006
filing date -
Jul 13, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This invention provides a plastic container characterized in that an expanded layer comprising expanded cells having a flat shape with an average major axis of not more than 400 μm and an average aspect ratio (L/t) of not less than 6 as viewed in cross section of the container wall along the maximum stretch direction, which are oriented in the stretch direction and are distributed so as to be superimposed on top of each other in the thickness-wise direction, is formed within the container wall. In this container, expanded cells having a flat shape are distributed so as to orient in a given direction and, thus, has light shielding properties and has a pearl-like appearance, that is, has a very high commercial value. Further, since any colorant is not contained, the suitability for recycling is excellent.
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