Embossing roller, embossing unit, embossing method and embossed product
作者： Mauro Gelli
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摘要: The embossing unit comprises: at least one roller (3) with a rotation axis (3A) and substantially cylindrical surface plurality of protuberances (P3) linear extension; pressure (5) yielding (5B); an nip (Gl) defined between said (3); feed path web material (N) extending through (Gl). Along the extension thereof have variable inclination respect to (3 A) cross section along longitudinal protuberances.
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