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    • 5. 发明公开
    • Method of and apparatus for making airlaid articles
    • 生产的由以空气流的纤维的制品的方法和装置。
    • EP0155752A2
    • 1985-09-25
    • EP85300625.2
    • 1985-01-30
    • THE PROCTER & GAMBLE COMPANY
    • Feist, Barry R.Carstens, Jerry EdwardPeterson, David A.
    • A61F13/15
    • A61F13/15747
    • A method of and apparatus for making airlaid articles such as discrete absorbent cores for catamenial napkins and disposable diapers and the like. Apparatus embodying the invention preferably comprises a laydown drum having a plurality of formation cavities having foraminous bottom walls, which cavities are circumferentially spaced around the perimeter of the drum. The apparatus also preferably includes means for directing a high velocity stream of air-entrained matter such as. for example, fibers or particulate matter, substantially radially towards a relatively short circumferential span of the perimeter of the drum; and a hood having sufficient circumferential span of the drum to enable excess entrainment air to be drawn by vacuum through the foraminous bottom walls of substantially empty cavities, and to enable recirculation of the excess scarfed fibers. The method preferably includes overfilling the cavities; scarfing and recycling the excess; and compacting the deposited mass of fibers to impart structural integrity to the mass of fibers to dimensionally define the articles prior to removing the articles from their respective formation cavities.
    • 如月经用卫生巾和一次性尿布等的离散的吸收芯:用于制备气流成网制品的方法和装置。 装置实施本发明的优选地包括具有具有多孔底部壁,其中腔体沿周向绕鼓的周边间隔开形成的空腔的多个沉积鼓。 该装置因此优选的装置包括用于引导空气夹带物质的高速流:如,例如,纤维或颗粒物质,基本上径向朝向滚筒的周边的相对短的圆周跨度; 并通过真空通过基本上空腔的多孔底部壁被吸入具有滚筒,以使过量的夹带空气的充分圆周跨度的罩,并且使过量的斜接纤维的再循环。 该方法优选包括过量填充所述空腔; 烧剥和回收过量的; 和压实纤维的附着量,以赋予结构完整性的纤维在尺寸上限定之前从它们的respectivement形成腔移除所述物品的物品的质量。