Punch tool for sheet metal or a multi-layer assembly of sheet metal and corresponding punching method
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United States of America Patent
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Aug 1, 2023
Grant Date -
N/A
app pub date -
Jul 1, 2021
filing date -
Jul 3, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A punching tool to make holes in a part made of a sheet metal or a multi-layer assembly of sheet metals, for example a part for the body of a vehicle. The punching tool includes a punch holder holding a one-piece cutting punch and a punch die arranged in front of the punch holder, the punch holder being designed to move the punch toward the die from a rest position to a work position in which the cutting punch cuts out a hole in the part placed between the punch holder and the die. The cutting punch is removably housed in a cavity formed in the punch holder so that, when the punch holder withdraws from the work position to the rest position, the cutting punch separates from the punch holder and remains in the hole pierced in the part.
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