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    • 41. 发明授权
    • Material web for the manufacture of filter rods for tobacco products and
apparatus and process for producing such web
    • 用于制造用于烟草制品的过滤杆的材料网和用于生产这种纤维网的设备和方法
    • US4274428A
    • 1981-06-23
    • US94180
    • 1979-11-14
    • Paul A. MullerHans Muster
    • Paul A. MullerHans Muster
    • A24D3/02A24D3/04
    • A24D3/0204A24D3/02
    • The invention relates to a longitudinally creped paper web for use in the manufacture of filter rods. In order to improve the filtering capacity and resistance to flow therethrough without weakening filter plugs formed from the web in respect of resistance to radial crushing the longitudinally creped web is provided with linear indentations transversely thereof which are sufficiently closely spaced one from the other longitudinally of the web to provide consistency in draw of short length sections cut from filter plugs made from the web. The invention also relates to the process and apparatus for forming such a filter web using co-operating spaced rollers for forming controlled linear compression zones extending transversely of the web, at least one of these two rollers being provided with ribs extending at least approximately axially of the roll. A drive to the two rollers is synchronized so that the surface speed of both the rollers is at the same speed as the speed of advance of the web being treated thereby. The treated web may either be formed into a roll or coil for storage and subsequent use or may be fed directly to a tow machine in which it is formed at once into filter plugs in the conventional manner. The invention also relates to filter plugs of which the filling comprises the gathered together material web.
    • 本发明涉及用于制造过滤杆的纵向起皱纸幅。 为了提高过滤能力和抵抗流过的能力,在弱化从腹板形成的过滤塞方面抵抗径向破碎时,纵向起皱纤维网横向具有线性压痕,其间距离其中的另一纵向足够紧密地间隔开 网以提供从由网制成的过滤塞切割的短长度部分的拉伸的一致性。 本发明还涉及用于使用相互间隔的辊形成这种过滤网的方法和装置,用于形成横向于腹板延伸的受控的线性压缩区域,这两个辊子中的至少一个设置有至少大致轴向延伸的肋条 卷。 对两个辊子的驱动器是同步的,使得两个辊子的表面速度与被处理的幅材的前进速度相同。 经处理的网可以被形成卷或线圈用于存储和后续使用,或者可以直接馈送到牵引机,其中它以常规方式一次形成过滤塞。 本发明还涉及过滤塞,其中填充物包括聚集在一起的材料网。