PUNCHING DEVICE AND CONTROL METHOD FOR PUNCHING DEVICE
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United States of America Patent
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Issued Date -
Oct 12, 2023
app pub date -
Apr 10, 2023
filing date -
Apr 12, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A punching device, includes a die configured to support a paper sheet and a punch unit configured to perform a punch process, wherein the punch unit includes a pressing section, a punch that has a conical shaped tip end section and that is configured to move up and down, and a punch guide hole configured to accommodate the punch and to guide the punch in up and down movement and the die includes a hole section provided in a portion facing the punch and through which the punch is passable, a die blade provided at an upper end periphery of the hole section and configured to cut the sheet in cooperation with the punch, and after the sheet is pressed by the die and the pressing section, the punch process is performed by lowering the punch while bringing the tip end section into contact with the paper.
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