Hinged semi-rigid container having wall stiffening means
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United States of America Patent
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May 14, 1996
Grant Date -
N/A
app pub date -
Dec 12, 1994
filing date -
Dec 12, 1994
priority date (Note) -
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Abstract
A thermoplastic hinged container having stiffened side walls and having spaced channels in a shoulder/flange seal portion of the container base and mating stiffening lugs in an opposing lid portion to prevent warping of the container during closure and provide improved sealing.
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