Energy storage device, energy storage apparatus and method of manufacturing energy storage device
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United States of America Patent
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May 4, 2021
Grant Date -
Jul 27, 2017
app pub date -
Jan 18, 2017
filing date -
Jan 21, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A first projecting portion is disposed between a head portion of an external terminal and a gasket body of a gasket, the first projecting portion projecting toward the gasket body from a first opposedly-facing surface which opposedly faces a case of the head portion, the first projecting portion surrounding the shaft portion, the first projecting portion having a pressing surface which directly or indirectly presses the gasket body in a projecting direction of the first projecting portion. The gasket has the second and third opposedly-facing surfaces, the second opposedly-facing surface opposedly facing the head portion, the third opposedly-facing surface opposedly facing the case. A second projecting portion is disposed in a region of at least one of the second and third opposedly-facing surfaces which correspond to the first projecting portion, the second projecting portion surrounding the shaft portion and being in a state where the second projecting portion is compressed toward the second or third opposedly-facing surface by the pressing surface.
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