Assembly for holding plastic film within a mold
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United States of America Patent
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-
Mar 14, 2006
Grant Date -
Dec 19, 2002
app pub date -
Apr 5, 2002
filing date -
Apr 5, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A mold tool includes upper and lower sections defining a cavity within which a plastic film preform is placed before injection of plastic forming a molded article. The plastic film extends between an interface defined between the sections of the mold. The interface secures a position of the plastic film within the mold tool preventing movement during injection of plastic. The interface is specifically configured to secure the plastic film without damage. The specific configuration of the interface is determined according to a relationship between molding process parameters and physical characteristics of the plastic film.
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