公开(公告)号：US06635111B1

公开(公告)日：2003-10-21

申请号：US09857112

申请日：2001-05-30

申请人： Bruno Holtmann ,  Konrad Dessovic ,  José Antonio Mena

发明人： Bruno Holtmann ,  Konrad Dessovic ,  José Antonio Mena

IPC分类号： B65H2000

CPC分类号： B65H23/32 ,  B65H23/24 ,  B65H2406/111 ,  B65H2406/1131

摘要： Known devices for contactlessly guiding or treating continuous lines of material (1) have one chamber (2). A supply device (3) for a gaseous fluid is connected to said chamber (2), which has a gas-permeable wall (4). The outer surface (5) of said wall (4) is embodied as a guide surface for the line (1). According to the invention, the gas-permeable wall (4) is produced from a porous, metal-containing material with open pores which have an average diameter of less than 500 &mgr;m, preferably less than 100 &mgr;m, especially less than 20 &mgr;m. The porous material used for the guiding surface enables the line (1) to glide on a fluid pad of less than 1 mm. The losses of fluid on the surfaces not covered by the line (1) are very low.

摘要翻译： 用于非接触地引导或处理连续材料线（1）的已知装置具有一个室（2）。 用于气态流体的供应装置（3）连接到具有透气壁（4）的所述室（2）。 所述壁（4）的外表面（5）被实施为线（1）的引导表面。 根据本发明，透气壁（4）由具有平均直径小于500μm，优选小于100μm，特别是小于20μm的开孔的多孔含金属材料制成。 用于引导表面的多孔材料使得线（1）能够在小于1mm的流体垫上滑动。 未被管线（1）覆盖的表面上的流体损失非常低。

公开(公告)号：US06585139B1

公开(公告)日：2003-07-01

申请号：US09807336

申请日：2001-04-11

申请人： Bruno Holtmann ,  Konrad Dessovic

发明人： Bruno Holtmann ,  Konrad Dessovic

IPC分类号： B65H2000

CPC分类号： B65H20/12

摘要： Draw rollers for striplike materials (especially paper or cardboard strips, plastic or metal foils), having a sheath (1) that can rotate around a fixed inner component, whereby said sheath is provided with air holes along the entire surface thereof, are already known per se. A vacuum chamber (8) is arranged in the winding area of the strip. Said vacuum chamber (8) can be subjected to an underpressure. According to the invention, another vacuum chamber (8) is arranged inside the sheath (1) in the running direction of said strip (2) directly in front of the vacuum chamber (8), whereby the underpressure in the second vacuum chamber is greater than the underpressure in the first vacuum chamber (8) and is independent thereof. The upstream second vacuum chamber (8) enables the separating layer of air adhering to the strip (2) to be suctioned in a targeted manner, whereby the contact surface of the strip (2)/roller remains large enough to transmit high drawing forces.

摘要翻译： 用于带状材料（特别是纸或纸板条，塑料或金属箔）的拉辊，具有可围绕固定内部部件旋转的护套（1），由此所述护套沿其整个表面设置有空气孔 本身。 真空室（8）布置在带材的缠绕区域中。 所述真空室（8）可以经受负压。 根据本发明，另外一个真空室（8）直接位于真空室（8）的前面，沿着所述条（2）的运行方向设置在护套（1）的内部，由此第二真空室中的负压更大 与第一真空室（8）中的负压相比，并且与第一真空室（8）不同。 上游第二真空室（8）使得能够以目标方式吸附附着在条带（2）上的空气分离层，由此带材（2）/辊子的接触表面保持足够大以传递较高的拉伸力。