Stepped battery and method and device for manufacturing the same
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Dec 3, 2014
filing date -
Jan 6, 2014
priority date (Note) -
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Abstract
Provided are a stepped battery and a method and device for manufacturing the stepped battery, and more particularly, a stepped battery and a method and device for manufacturing the stepped battery, which processes a tent part of a separation film formed on a stepped part of the stepped battery, to prevent a defect from occurring during a subsequent process. A stepped battery manufacturing method includes preparing a stepped battery (10) having a tent portion of a separation film (16) formed on at least one stepped surface (18), and pressing the tent portion by using a press tool (30) having a shape corresponding to the stepped surface (18) of the stepped battery (10).
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