Apparatus and method for forming pouch case for secondary battery
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United States of America Patent
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Mar 2, 2021
Grant Date -
Aug 30, 2018
app pub date -
Apr 11, 2017
filing date -
Apr 15, 2016
priority date (Note) -
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Abstract
An apparatus and method are provided for forming a pouch case with improved forming quality and minimized surface contact between the forming apparatus and the pouch case in the forming process to form a pouch cup. The apparatus includes a mold on which a pouch case with a plate shape can be placed, wherein the mold bulges upwards, a chamber open at bottom to the pouch case and the mold, the chamber having an inner space in which the mold can be received by lift-up of the mold or lift-down of the chamber, wherein the chamber is seated on an edge portion of the pouch case, and the chamber is equipped with a fluid input valve at top and a fluid output valve at bottom, and a fluid supply unit configured to supply a fluid via the fluid input valve to carry out pressure forming of the pouch case.
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