Method for forming a non-delaminating multilayer container mouth
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United States of America Patent
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-
Nov 9, 2004
Grant Date -
Jun 19, 2003
app pub date -
Dec 13, 2001
filing date -
Dec 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of preventing delamination of multiple layers of an oriented polymer container having an opening defined by the multiple layers comprising a bi-axially oriented multilayer polymer container having an opening defined by a perimeter at which the multiple layers are exposed; heating the perimeter until workable; providing a curling die; feeding the multilayer perimeter into the curling die to curl the perimeter sufficiently to inhibit delamination of the layers and a container when so made.
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