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    • 7. 发明授权
    • Absorbent combined sheet matierial
    • 吸收组合材料
    • US5173351A
    • 1992-12-22
    • US605346
    • 1990-10-30
    • Remy RuppelPierre LaurentJoel Hungler
    • Remy RuppelPierre LaurentJoel Hungler
    • B31F1/07D21H27/40
    • D21H27/40B31F1/07B31F2201/0733B31F2201/0738B31F2201/0756B31F2201/0766B31F2201/0769B31F2201/0787Y10T428/24463Y10T428/24479Y10T428/24562Y10T428/24612Y10T428/24628Y10T428/24661Y10T428/24669Y10T428/24694
    • A combined sheet material including at least two absorbent sheets, such as of cellulose-cotton, each having a density of between from 10 to 40 g/m.sup.2. Each of the sheets is separately embossed by calendaring them into a pattern of protuberances distributed in a first pitch along a first direction for each sheet (P.sub.1 sm, P.sub.2 sm) and in a second pitch in a second direction for each sheet (P.sub.1 st, P.sub.2 st) which subtends the first direction at an angle other than zero. The end of the protuberances extending away from the plane of each of the sheets includes a flat bonding element whereby the two sheets are bonded to each other, preferably by gluing. The pattern of each of the sheets is characterized in that the first pitch of each sheet along the first direction is different and related by the equation..vertline.1/P.sub.1 sm-1/P.sub.2 sm.vertline..gtoreq.1/L1wherein L1 is a predetermined value corresponding to the dimension of a segment within the combined sheet material in which at least one spot capable of bonding the two sheets together is present regardless of the relative position of the two patterns.
    • 包括至少两个吸收片材(例如纤维素棉)的组合片材,其密度为10至40g / m 2。 通过每个片材(P1sm,P2sm)沿着第一方向以第一间距分布在每个片材(P1st,P2st)上的第二节距的第二节距(P1st,P2st)中,将每个片材分别压印成沿着第一方向分布的突起图案, 以不同于零的角度对准第一方向。 从每个片材的平面延伸的突起的端部包括平坦的接合元件,由此两个片材优选通过胶合彼此接合。 每个片材的图案的特征在于,沿着第一方向的每个片材的第一间距是不同的并且通过等式相关联。 | 1 / P1sm-1 / P2sm|> / = 1 / L1其中L1是对应于组合的片材中的段的尺寸的预定值,其中至少一个能够将两个片粘合在一起的光点不管 两种模式的相对位置。