Labeled containers made from expandable thermoplastic materials having improved physical properties
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United States of America Patent
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Feb 14, 2012
Grant Date -
Jun 25, 2009
app pub date -
Nov 14, 2008
filing date -
Dec 19, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
carboxylic acid based on the weight of the particles. The label has a thickness of from 10 μm to 1,500 μm and the sidewall has a thickness of from 0.5 mm to 5 mm. An aqueous beverage at 80° C. does not leak from the container after being left undisturbed for 24 hours and the container has a rim strength of at least 0.54 kg. The containers are made by placing a label against an inner surface of a female portion of a two-part mold; closing the mold to form a mold cavity; filling the mold cavity with the particles; and fusing the particles.
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