Closure edge protection via polymer coated metal
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United States of America Patent
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Jul 3, 2012
Grant Date -
Sep 24, 2009
app pub date -
Mar 20, 2008
filing date -
Mar 20, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Metal closure components and methods for making the same are provided. The closures may be formed from a metal sheet having a pre-formed polymer film adhered on at least one face. A circular blank may be cut from the sheet, such that the blank may have a circular “raw” cut edge unprotected by the polymer film. The metal blank may then be formed such that the cut edged may be embedded into the film.
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