About 2 results
https://drivepatents.com/patents/1386193 · 29 Apr 2026
The present disclosure relates to a pouch making apparatus, including a lower die including a forming area that is recessed inward to form a cup portion in a pouch film and a support area that is flat on an outer side of the forming area, a punch configure...
https://drivepatents.com/patents/1398259 · 29 Apr 2026
The present invention relates to a pouch-shaped battery case shaping apparatus including a volatile lubricant supply unit and a pouch-shaped battery case manufacturing method using the same, and more particularly to a pouch-shaped battery case shaping appa...