BIAXIALLY ORIENTED THERMOPLASTIC POLYMER LAMINATE FILMS FOR LUGGAGE ARTICLES AND METHODS OF MAKING THE SAME
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Jun 20, 2024
filing date -
Mar 15, 2017
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Abstract
A laminate (110) of polypropylene films (100), a luggage shell (120) constructed of the laminate (110), a method (200) of making the laminate (110), and a method (280) of making the luggage shell (120) are provided. The films (100) include a core (102) and at least one outer layer (104). The laminate (110) includes a plurality of films (100). The laminate (110) may be formed by laminating a plurality of films 100 under predetermined pressure, temperature, and time conditions. The shell (120) may be formed by deep drawing a sheet of laminate (110) while applying heat and tension to the laminate (110).
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