Method and device for specifically influencing the technological properties of individual regions of a sheet-like material, a pre-compacted material nonwoven or a material fibre cake
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United States of America Patent
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Jan 12, 2021
Grant Date -
May 10, 2018
app pub date -
Jan 2, 2018
filing date -
Jan 6, 2011
priority date (Note) -
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Abstract
A device and a method for specifically influencing the technological properties of individual regions of a sheet-like material are provided, including the following steps: a) fixing the sheet-like material or a pre-compacted material nonwoven or a material fibre cake on a workbench, b) placing at least one applicator on the upper side and/or the underside of the sheet-like material, the material nonwoven or the material fibre cake, c) specifically moving the at least one applicator on the upper side and/or the underside and pressing an improving medium into partial regions of the sheet-like material, the material nonwoven or the material fibre cake in a predetermined amount and under a predetermined pressure, d) optionally, subsequently pressing the pre-compacted material nonwoven or the material fibre cake to form a sheet of the desired thickness.
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