AN EXTENDED NIP PRESS APPARATUS
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Mar 28, 2023
filing date -
Mar 28, 2023
priority date (Note) -
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Abstract
An extended nip press apparatus (1) for removing water from a web (20), comprising a rotatable backing roll (2), an elongated press device (3, 30) cooperating with the backing roll for defining between the elongated press device (3, 30) and the backing roll (2) an extended nip (4). The elongated press device is provided with a perforated belt (5, 50). A moveable, permeable carrying medium (6a) is arranged to be passed through the extended nip, and to support on a surface thereof a web 20. A mechanical pressure is created between the backing roll (2) and the elongated press device in the extended nip, and a vacuum is applied to the extended nip through the elongated press device, thereby both a mechanical pressure and a vacuum is applied to a web (20) being passed through the extended nip (4) on the carrying medium (6a).
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