BINDING UNIT, SHEET PROCESSING DEVICE, AND IMAGE FORMING DEVICE PROVIDED WITH THEM
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United States of America Patent
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Issued Date -
Nov 29, 2018
app pub date -
May 25, 2018
filing date -
May 25, 2018
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Abstract
To facilitate permeation of water when water is applied to the crimping range of a sheet made of a water-permeable paper material. A binding unit applies water to placed sheets and then crimp-binds the sheets. The binding unit includes a pair of pressure teeth (pressure teeth and receiving teeth part) provided on both the front and back sides of the sheets and configured to crimp-binding the sheets, a water reservoir provided on the back surface side of any one of the pressure teeth and configured to store water to be applied to the sheet, and a pressurizing member (piston) that pressurizes the water in the water reservoir to apply water to the sheet crimping range.
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