Multi-layer containers
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United States of America Patent
Stats
-
Oct 14, 1997
Issued Date -
N/A
app pub date -
May 31, 1995
filing date -
Jul 6, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A multi-layer preform for forming multi-layer containers includes an extruded inner barrier layer containing polyethylene naphthalate, said inner layer having an upper portion adapted to be formed into an upper portion of a container, an intermediate portion adapted to be formed into an intermediate portion of a container, an extruded and a base portion adapted to form a base portion of a container. The preform includes an outer injection molded layer. The inner layer has a thickness which differs from the base portion to the upper portion.
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Family
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Cited Art Landscape
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