Can shell and double-seamed can end closure
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United States of America Patent
Stats
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May 19, 2020
Grant Date -
Nov 30, 2017
app pub date -
Aug 15, 2017
filing date -
Jul 3, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drawn aluminum can shell has a peripheral crown which is double-seamed with an end portion of an aluminum can body to provide a can end having a generally flat center panel connected by an inclined curved or straight panel wall to an inner wall of an annular U-shaped countersink. The countersink has an outer wall which connects with a lower wall portion of a chuck wall, and the chuck wall has an upper wall portion which connects with an inner wall of the crown. The chuck wall also has an intermediate wall portion forming a break, and the inner bottom width of the countersink is less than the radial width of the panel wall.
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