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    • 4. 发明公开
    • VACUUM CLEANING FOLDING RAIL
    • 真空清洁折叠杆
    • EP1392590A2
    • 2004-03-03
    • EP02769361.3
    • 2002-05-07
    • THE PROCTER & GAMBLE COMPANY
    • HARNISH, David, Alan
    • B65H45/22B65H45/09B65H45/08
    • B65H45/223B65H45/08B65H45/09
    • An elongate rail (10) for an equal path folder that has a hollow tube (12) having a a longitudinal axis and a vacuum applied thereto, and a first and second substantially planar surfaces (24, 26) parallel to the longitudinal axis and forming a folding edge (28) therebetween. The hollow tube (12) has at least one opening (18) positioned angularly away from both the first and said second surfaces (24, 26). The vacuum causes a negative pressure to be applied to the opening (18) so that a web substrate passing over the first and second surfaces (24, 26) has at least a portion of the vacuum applied to a face of said web substrate when said web substrate is proximate to at least one of the first and second surfaces (24, 26) thereby substantially reducing particulate matter build-up on the folding equipment and substantially reducing the undesirable particulate matter left on the out-going web product.
    • 一种用于相同路径折叠器的细长轨道(10),所述细长轨道具有中空管(12)和第一和第二基本上平坦的表面(24,26),所述中空管(12)具有纵向轴线和施加于其上的真空, 折叠边缘(28)。 中空管(12)具有至少一个开口(18),该开口(18)成角度地远离第一和第二表面(24,26)定位。 真空导致负压被施加到开口(18),使得通过第一和第二表面(24,26)的幅材基材在所述第一和第二表面(24,26)的所述幅材基材的面上施加至少一部分真空 纸幅基材靠近第一和第二表面(24,26)中的至少一个,从而基本上减少了堆积在折叠设备上的颗粒物质,并且基本上减少了残留在出料幅材产品上的不希望的颗粒物质。