Button cell having bursting protection
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United States of America Patent
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Nov 3, 2015
Grant Date -
Aug 22, 2013
app pub date -
Sep 20, 2011
filing date -
Oct 16, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A button cell has a housing closed in a liquid-tight manner including a cup, cover and seal, the cell cup having a base, circumferential casing, an edge area connecting the base and casing, and an end cut edge, the cell cover has a base, a circumferential casing, an edge area connecting the base and casing, and an end cut edge, the cover is inserted into the cup with the cut edge in front such that the casing of the cup and casing of the cover at least partially overlap and form a double-walled casing area, the seal is arranged between the cup and cover between the overlapping casing area such that they are isolated from one another, and at least one hole passes through the casing of the cup in the area which overlaps the casing of the cover.
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