公开(公告)号：US08080132B2

公开(公告)日：2011-12-20

申请号：US11573424

申请日：2005-07-06

申请人： Thomas Scherb ,  Carlos Luiz Silva

发明人： Thomas Scherb ,  Carlos Luiz Silva

IPC分类号： D21G9/00 ,  D21F7/00 ,  D21F11/00 ,  B65H23/28

CPC分类号： B65H20/10 ,  B65H18/26 ,  B65H19/2207 ,  B65H2406/31 ,  B65H2406/32

摘要： The invention relates to a device (11) for stabilising the transport of a material web (12) on the upper face of an air-permeable machine clothing (10), in particular a fibrous web. The device is located on the underside of the machine clothing directly upstream of an intake nip in the direction of travel (17) of the web, said nip being formed by a roll (5) and the machine clothing, and comprises a first negative-pressure zone (19) and at least one vacuum opening (20) that faces essentially in the opposite direction to the direction of travel of the web, communicating with the first negative-pressure zone of the device. This permits the boundary layer (23) of air that is carried along by the underside of the machine clothing to be at least partially sucked from said clothing into the first negative-pressure zone.

摘要翻译： 本发明涉及一种用于稳定材料纤维网（12）在透气机器织物（10）的上表面，特别是纤维网上的输送的装置（11）。 所述装置位于所述机器衣物的下侧，在所述幅材的行进方向（17）的正好位于进料辊隙的上游，所述辊隙由辊（5）和所述机器织物形成，并且包括第一负极 - 压力区（19）和至少一个真空开口（20），所述至少一个真空开口（20）基本上位于与所述装置的所述第一负压区域连通的所述幅材行进方向的相反方向上。 这允许沿着机器衣服的下侧携带的空气的边界层（23）至少部分地从所述衣物吸入第一负压区域。