Can lid and beverage can
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United States of America Patent
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Dec 26, 2017
Grant Date -
May 26, 2016
app pub date -
Apr 9, 2014
filing date -
Jul 10, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A first score line (430) is provided with a modified groove width portion (435) in which the groove width differs from the groove width of other portions. This modified groove width portion (435) is formed by imparting curvature to a point of a first side surface (430B) and this portion of a second side surface (430C) are respectively distended in an outward direction. To describe further, the modified groove width portion (435) is formed by forming respective recessed portions in the first side surface (430B) and the second side surface (430C). In so doing, rupture of a panel can take place in satisfactory fashion along a score line having a branched portion.
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