Opening means
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United States of America Patent
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N/A
Issued Date -
Nov 17, 2005
app pub date -
May 11, 2004
filing date -
May 11, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An improved opening means for plastic tubular containers in the form of score lines that will minimize the exposed sharp edge at the fracture surface and retain the separated sections of the plastic tube together. The opening means comprises of one or more sections of score lines in the form of arcs around the circumference of a plastic tube. None of the score lines are formed around the entire circumference of the plastic tube. Each score line terminates at a rounded terminal at each end of the arc to eliminate tension concentration and limit propagation of the fracture upon bending of the plastic tube at the score lines.
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