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    • 132. 发明专利
    • Water absorptive material
    • 吸水材料
    • JP2012051170A
    • 2012-03-15
    • JP2010194235
    • 2010-08-31
    • Unicharm Corpユニ・チャーム株式会社
    • TANAKA YOSHINORITAKEUCHI NAOTO
    • B32B3/26A23B4/00B32B27/00B65D81/26B65D85/50
    • B32B3/26A23B4/00A41G1/001B32B3/266B32B3/28B32B3/30B32B2307/724B32B2307/726B32B2553/00B65D81/264Y10T428/24331
    • PROBLEM TO BE SOLVED: To provide a water absorptive material capable of absorbing water from a contact surface of a food even when the contact surface is oblique.SOLUTION: The water absorptive material includes a drip sheet 1, an upper-surface sheet 2, a lower-surface sheet 3 and a water absorption sheet 4 arranged between the upper-surface and lower-surface sheets 2, 3. The upper-surface sheet 2 has an open-pore area 22 which is penetrable to liquid and has two or more liquid-penetrable upper-surface open pores 21 and a non-opened-pore area 23. In the non-opened-pore area 23, an indication element 6 visible from the side of the upper surface of the upper-surface sheet 2 is formed. In the upper-surface sheet 2, there is formed a concave-streak part 7 which is depressed from the upper-surface side of the upper-surface sheet 2 to the surface opposite to the water absorption sheet 4, with at least a part superimposed on the upper-surface open pores 21. The concave-streak part 7 has the first part 71 formed along the virtual longitudinal center line P-P and the second and third parts 72 and 73 intersecting the first part 71. In the upper-surface sheet 3, there are two or more air-permeable and liquid-penetrable lower-surface open holes 31.
    • 要解决的问题:提供即使当接触表面倾斜时也能够从食品的接触表面吸收水分的吸水材料。 吸水材料包括布置在上表面片和下表面片2,3之间的滴纸1,上表面片2,下表面片3和吸水片4。 上表面片2具有可渗透到液体的开孔区域22,并且具有两个或更多个可液体渗透的上表面开孔21和非开孔区域23.在非开孔区域23中 形成从上表面片2的上表面侧观察到的指示元件6。 在上表面片材2中,形成有从上表面片材2的上表面侧朝向与吸水片材4相反的表面侧凹陷的凹条7,至少部分重叠 凹面部7具有沿虚拟纵向中心线PP形成的第一部分71和与第一部分71相交的第二和第三部分72和73。在上表面片3中 ,有两个或多个透气和液体可渗透的下表面开孔31.版权所有(C)2012,JPO&INPIT