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    APPARATUS AND METHODS FOR PRODUCING NONWOVEN FIBROUS WEBS
    11.
    发明申请
    APPARATUS AND METHODS FOR PRODUCING NONWOVEN FIBROUS WEBS 有权
    用于生产非织造纤维织物的装置和方法

    公开(公告)号：US20150021805A1

    公开(公告)日：2015-01-22

    申请号：US14368540

    申请日：2012-12-21

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： John W. Henderson ,  Tien T. Wu ,  Gustavo H. Castro ,  Gerry A. Hoffdahl ,  David L. Vall

    IPC: D04H1/736 ,  D04H1/49 ,  D04H1/732

    CPC classification number: D04H1/736 ,  D04H1/44 ,  D04H1/49 ,  D04H1/732

    Abstract: Methods and apparatus including a fiber opening chamber having an open upper end and a lower end, at least one fiber inlet for introducing a multiplicity of fibers into the opening chamber, a first multiplicity of rollers positioned within the opening chamber wherein each roller has a multiplicity of projections extending outwardly from a circumferential surface surrounding a center axis of rotation, at least one gas emission nozzle positioned substantially below the first multiplicity of rollers to direct a gas stream generally towards the open upper end of the opening chamber, and a forming chamber having an upper end and a lower end, wherein the upper end of the forming chamber is in flow communication with the open upper end of the opening chamber, and the lower end of the forming chamber is substantially open and positioned above a collector having a collector surface.

    Abstract translation: 包括具有开口上端和下端的纤维开口室的方法和装置，至少一个用于将多个纤维引入开口腔的纤维入口，位于开口腔内的第一多个辊，其中每个辊具有多个 从围绕中心旋转轴线的圆周表面向外延伸的突出部分，至少一个气体排放喷嘴，其基本上位于所述第一多个辊的下方，以将气流大致朝向所述开口腔的敞开的上端引导;以及成形室， 上端和下端，其中成形室的上端与开口腔的开口上端流动连通，并且成形室的下端基本上是开口的并且位于具有收集器表面的收集​​器之上 。

    METHODS AND APPARATUS FOR PRODUCING NONWOVEN FIBROUS WEBS
    12.
    发明申请
    METHODS AND APPARATUS FOR PRODUCING NONWOVEN FIBROUS WEBS 有权
    用于生产非织造纤维织物的方法和装置

    公开(公告)号：US20140331456A1

    公开(公告)日：2014-11-13

    申请号：US14368549

    申请日：2012-12-20

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Tien T. Wu ,  John W. Henderson ,  Gustavo H. Castro ,  Gerry A. Hoffdahl ,  David L. Vall

    IPC: D04H1/732 ,  D04H1/736

    CPC classification number: D04H1/732 ,  D04H1/413 ,  D04H1/4382 ,  D04H1/541 ,  D04H1/736

    Abstract: Methods and apparatus including a chamber having a substantially open lower end positioned above a collector surface, at least one fiber inlet positioned above the lower end, a first multiplicity of rollers positioned within the chamber wherein each roller has a multiplicity of projections extending outwardly from a circumferential surface surrounding a center axis of rotation, a second multiplicity of rollers positioned within the chamber above the first multiplicity of rollers wherein each of the second multiplicity of rollers has a multiplicity of projections extending outwardly from a circumferential surface surrounding a center axis of rotation, the second multiplicity of rollers positioned so at least a portion of the projections extending outwardly from the circumferential surfaces of each of the second multiplicity of rollers vertically overlaps with at least a portion of the projections extending outwardly from the circumferential surface of at least one of the first multiplicity of rollers.

    Abstract translation: 方法和装置包括具有位于收集器表面上方的基本上开口的下端的腔室，位于下端上方的至少一个纤维入口，位于腔室内的第一多个辊，其中每个辊具有多个从一个 围绕中心旋转轴线的圆周表面，位于第一多个辊之上的腔室内的第二多个辊，其中每个第二多个辊具有从围绕旋转中心轴线的周向表面向外延伸的多个突起， 所述第二多个辊定位成使得从所述第二多个辊中的每一个的所述圆周表面向外延伸的所述突起的至少一部分垂直地与从所述第二多个辊的至少一个辊的圆周表面向外延伸的至少一部分突出部 第一乘法 辊子。

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