Method and apparatus for producing multilayer plastic articles
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United States of America Patent
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May 13, 1997
Issued Date -
N/A
app pub date -
Sep 30, 1994
filing date -
Dec 26, 1989
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Methods and apparatus are provided for making multilayer plastic articles. Initially, two or more streams of diverse thermoplastic materials are provided. Layers are formed from these streams and are arranged in a layered first composite stream. The first composite stream may be directly formed into a desired configuration by a molding process or may be manipulated to form a second composite stream having an increased number of layers before being formed into the desired configuration. The resulting articles are comprised of a number of discrete and substantially continuous layers.
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