Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate
2011-01-25
2011-01-25
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell enclosure structure, e.g., housing, casing, container,...
C429S163000, C429S175000
Reexamination Certificate
active
07875384
ABSTRACT:
Disclosed is a secondary battery which can prevent twist or bend of a mold resin part of the battery. In one embodiment, a side wall extension part is formed on a top edge of a side wall of a can of the battery. The side wall extension part protrudes upwardly from the top edge of the side wall, and partially encloses a mole resin part that is formed on the top of the can. In another embodiment, a protrusion part is formed on an edge of an upper plane of a cap plate that covers the can of the battery. The protrusion part protrudes upwardly from the upper plane of the cap plate, partially encloses a mole resin part that is formed on the upper plane of the cap plate. In both embodiments, the protruded part adheres to the mold resin part, and supports the mold resin part to prevent mechanical distortion that can be caused by external force. Therefore, the protruded part improves the reliability of the battery.
REFERENCES:
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Bushnell , Esq. Robert E.
Mercado Julian
Ryan Patrick
Samsung SDI & Co., Ltd.
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