PROCESS FOR CLOSING METAL CANS
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United States of America Patent
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Oct 15, 2015
app pub date -
Sep 10, 2012
filing date -
Sep 30, 2011
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Abstract
A process for closing a metal can body, suitable for containing an edible product, with a can lid, to provide a metal can suitable for heating in a retort. The process comprises: placing a metal lid over and in contact with an open end of a metal can body; applying an inwardly directed mechanical force to the lid such that at least a central portion of the lid is deformed into the interior space of the metal can body; and seaming the lid to the can body to form an airtight seal between the lid and the can body.
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