Tab with reinforced rivet hole, and tooling and associated method for providing same
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United States of America Patent
Stats
-
Aug 20, 2019
Grant Date -
Apr 27, 2017
app pub date -
Jan 10, 2017
filing date -
Dec 21, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A tab is provided, which includes a body having first and second opposing ends, a nose portion disposed at or about the first end of the body, a lift portion disposed at or about the second end of the body of the tab, and a rivet receiving portion disposed proximate the nose portion. The rivet receiving portion includes a generally planar portion, a rivet hole having a perimeter, and an upturned portion extending upwardly from the generally planar portion about the perimeter of the rivet hole. The upturned portion reinforces the rivet hole and has an arcuate cross section profile. An integral rivet extends through the rivet hole and is staked to affix the tab to a can end. The upturned portion is devoid of any corners or edges both before and after the integral rivet is staked.
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