Multi-ply aluminum bonded cookware
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United States of America Patent
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Jun 23, 2015
Grant Date -
Jan 17, 2013
app pub date -
May 24, 2012
filing date -
Jul 13, 2011
priority date (Note) -
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Abstract
Cookware, such as a stock pot, fry pan, sauté pan, griddle, or grill, comprising a basic three-ply bonded composite includes two layers of an aluminum alloy, such as 3003 or the like, bonded on opposed sides to a core layer of higher purity aluminum, such as 1050, 1100, 1145, or the like, to define a three-ply composite cookware product. One or more additional layers of higher purity aluminum are bonded intermediate one or more additional layers of aluminum alloy to form five-ply, or seven-ply, or more, bonded composite cookware products. The exterior layers of aluminum alloy may also include a non-stick coating and/or an anodized coating.
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