Multilayered container
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United States of America Patent
Stats
-
Mar 28, 1989
Grant Date -
N/A
app pub date -
Dec 21, 1987
filing date -
Dec 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A biaxially oriented multilayered container consisting of a body portion and a mouth portion. The body portion comprises one or more layers of a thermoplastic gas-barrier resin B and layers of a thermoplastic resin A other than the resin B which are larger in number than the resin B layers by 1, the resin A and B layers being laminated alternately, and at least the open end part of said mouth portion is composed of a single layer of the resin A. As a characteristic feature, a coarsely mixed resin layer of resins A and B in which the proportion of resin particles having a long diameter of not more than 10 .mu.m is not more than 10% exists in at least one of the boundaries between the resin A and B layers.
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