Manufacturing process to produce a necked container
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United States of America Patent
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Jun 1, 2010
Grant Date -
Nov 22, 2007
app pub date -
May 16, 2006
filing date -
May 16, 2006
priority date (Note) -
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Abstract
The present invention provides a necking system including a plurality of necking dies each necking dies having an at least partially non-polished necking surface and a non-polished relief following the necking surface. The present invention further provides a method of necking an metal container including providing an metal blank; shaping the blank into a bottle stock; and necking the metal bottle stock, wherein necking includes at least one necking die having an at least partially non-polished necking surface.
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