Transparent plastic container for anticounterfeit system
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United States of America Patent
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Jul 31, 2012
Grant Date -
Jan 21, 2010
app pub date -
Jul 11, 2007
filing date -
Sep 28, 2006
priority date (Note) -
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Abstract
A transparent plastic container which is transparent, allows good design and can be used for an anticounterfeit system that determines authenticity by visual check with the use of polarization property. A transparent plastic sheet of a polystyrene-based resin having a total light transmission of 85% or higher and a haze of 7% or less is subjected to vacuum, pneumatic or vacuum/pneumatic forming at a sheet temperature ranging from a glass transition temperature plus 50 degrees C. to a glass transition temperature plus 130 degrees C., thereby obtaining a transparent plastic container having a planar portion with a strain amount of 150 nm or less.
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