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    • 2. 发明授权
    • Apparatus for treating webs of filtering material for tobacco product
filters, particularly cigarette filters
    • 用于处理烟草制品过滤器,特别是香烟过滤嘴的过滤材料的织物的装置
    • US4003684A
    • 1977-01-18
    • US513430
    • 1974-10-09
    • Paul Adolf MullerHans Muster
    • Paul Adolf MullerHans Muster
    • A24D3/02B31F1/12D01D5/20
    • B31F1/128A24D3/0204A24D3/0295
    • Improved apparatus for treating a web of fibrous material, usually paper, to render it particularly suitable for making filter plugs for cigarettes, including at least one first pair of meshing rotating rolls provided with longitudinal grooves alternating with longitudinal ribs, which engage the paper and stretch it longitudinally in closely spaced successive narrow transverse areas to loosen and expose fibers without impairing the longitudinal continuity of the paper, and at least one second pair of meshing rotating rolls provided with circumferential grooves alternating with circumferential ribs, which engage the paper and groove it in a direction parallel to its travel while also stretching it transversely to further loosen and expose fibers without impairing the transverse continuity of the web. Preferably the apparatus also includes means for moistening the paper in advance of its passage through the rolls and for drying it after its passage therethrough. Means responsive to the tension on the web also are provided for adjusting the speed of the first pair of rolls relative to the second pair.
    • 改进的用于处理纤维材料网(通常是纸)的装置,使其特别适用于制造用于香烟的过滤嘴塞,包括至少一个第一对啮合旋转辊,其设置有与纵向肋交替的纵向槽,其与纸张接合并拉伸 它在纵向紧密间隔连续的窄横向区域中以松动和暴露纤维而不损害纸张的纵向连续性,以及至少一对第二对啮合旋转辊,其设置有与周向肋交替的周向槽,其与纸和纸槽接合 平行于其行进的方向,同时横向拉伸以进一步松开和暴露纤维,而不损害幅材的横向连续性。 优选地,该装置还包括用于在其通过辊子之前润湿纸张并在其通过之后使其干燥的装置。 提供响应于幅材上的张力的装置也用于调节第一对辊相对于第二对的速度。