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    • 7. 发明公开
    • A METHOD FOR PRODUCING A BACKSHEET FOR ABSORBENT SANITARY ARTICLES AND AN ABSORBENT SANITARY ARTICLE INCLUDING THIS BACKSHEET
    • 一种用于生产背膜的吸收性卫生用品和吸附卫生用品与本背膜
    • EP3017796A1
    • 2016-05-11
    • EP15191196.3
    • 2015-10-23
    • Fameccanica.Data S.p.A.
    • BONELLI, GuidoGUALTIERI, Diego
    • A61F13/62A44B18/00
    • A61F13/627A44B18/0011A61F13/15723A61F13/15756A61F13/5633A61F13/62A61F13/622B29C65/08B29C65/48B32B5/26Y10T156/1077
    • A method for producing a backsheet (14) for absorbent sanitary articles (10) provided with hook-and-loop fasteners (24), comprising the steps of:
      - advancing a continuous web of fibrous material without support (30) at a first speed (V 1 ),
      - cutting the continuous web of fibrous material (30) in a transverse direction so as to form sections of fibrous material (38),
      - accelerating the sections of fibrous material (38) at a second speed (V 2 ) greater than said first speed (V 1 ),
      - welding said sections of fibrous material (38) spaced apart at constant intervals onto a continuous non-woven support web (40) advancing at said second speed (V 2 ), so as to convert said sections of fibrous material (38) into frontal tapes of loop-material (26) for hook-and-loop fasteners, and
      - fixing a continuous impermeable film (50) to said continuous non-woven support web (40) with said frontal tapes of loop-material (26), so as to form a continuous backsheet web (14) provided with frontal tapes of loop-material (26) spaced apart at constant intervals.
    • 以第一速度前进的纤维材料的连续幅材没有支撑(30) - :一种用于制作用于设置有钩环紧固件的吸收性卫生制品(10),底片(14)(24)包括以下步骤的方法 (V 1), - 切割的纤维材料(30)的连续卷材在横向方向上,从而形成的纤维材料(38)的部分, - 以第二速度加速纤维材料(38)的部分(V 2) 比所述第一速度大(V 1), - 焊接所述纤维材料(38)的部分以一定间隔间隔开的走上在所述第二速度行进的连续的非织造支撑腹板(40)(V 2),以转换 所述纤维材料(38)进入环形材料(26)的用于钩 - 环紧固件的正面磁带和的部分 - 与所述前固定的连续不透电影(50)与所述连续无纺支承网(40) 环材料(26)的带,从而形成设置有LO的正面带的连续的底层织物(14) 运算材料(26)以恒定的间隔间隔开。