发明名称 METHOD AND APPARATUS FOR MANUFACTURING WATERMARKED PAPER
摘要 A method for manufacturing watermarked paper (11), comprising: - a step of forming a first fibrous panel (1) which comprises at least one watermark element; - a step of forming a second, thin fibrous panel (2); - a step of removal, by way of suction, of at least one portion of the second, thin fibrous panel (2) in order to produce a localized reduction in thickness at a first face (2a) of the second, thin fibrous panel (2), so as to provide at least one accommodation seat (2b) intended to accommodate a security element; - a step of coupling between the first fibrous panel (1) and the face of the second, thin fibrous panel (2) which lies opposite the first face (2a).
申请公布号 WO2016075220(A1) 申请公布日期 2016.05.19
申请号 WO2015EP76398 申请日期 2015.11.12
申请人 FEDRIGONI S.P.A. 发明人 PLANETA, IVO
分类号 D21F1/44;D21F9/00;D21F9/04;D21F11/08;D21H21/42 主分类号 D21F1/44
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