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US 10,378,151 B2Granted
Method of manufacturing paper sheet
OwnerKikuo Yamadainventor
Life of this patent
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Abstract
A method of manufacturing a paper sheet with improved softness and the paper sheet are provided. A method of manufacturing a paper sheet 101 according to the present invention includes a supply step of supplying a continuous base sheet 1, 1A, or 1B, and a plurality of times of pressing steps of applying, to a surface of the base sheet 1, 1A, or 1B, pressing force having a normal-direction component of the surface.
Claims19
A method of manufacturing a paper sheet, comprising:
- supplying a continuous base sheet;
- applying, to a surface of the base sheet, first pressing force in a direction normal to the surface;
- and
- applying, to the surface of the base sheet, second pressing force in the direction normal to the surface,
- wherein the supplying of the continuous base sheet comprises supplying a first base sheet and a second base sheet from different directions, and
- the method further comprises
- supplying a softness imparting material between the first base sheet and the second base sheet, and
- supplying a binder to a layered body of the first base sheet, the second base sheet, and the softness imparting material.
5 more elements
Dependencies are inferred from the claim text.