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    • 6. 发明公开
    • FABRIC CREPED ABSORBENT SHEET WITH VARIABLE LOCAL BASIS WEIGHT
    • SAUGFÄHIGESGEKREPPTES STOFFBLATT MIT VARIABLEM,LOKALEMFLÄCHENGEWICHT
    • EP3103920A1
    • 2016-12-14
    • EP16181988.3
    • 2007-05-16
    • Georgia-Pacific Consumer Products LP
    • EDWARDS, Steven L.SUPER, Guy H.MCCULLOUGH, Stephen J.REEB, Ronald R.CHOU, Hung LiangYEH, Kang ChangDWIGGINS, John H.HARPER, Frank D.
    • D21H17/24D21H17/52D21H17/55D21H21/20B31F1/12B31F1/07
    • D21H27/008D21F11/14D21F11/145D21H25/005D21H27/005D21H27/02
    • A method of making a fabric-creped absorbent cellulosic sheet, the method comprising:
      compactively dewatering a papermaking furnish to form a nascent web having an apparently random distribution of papermaking fiber orientation; applying the dewatered web having the apparently random distribution of papermaking fiber orientation to a translating transfer surface that is moving at a transfer surface speed; fabric-creping the web from the transfer surface at a consistency of from about 30% to about 60% utilizing a creping fabric, the fabric-creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric, wherein the creping fabric is traveling at a fabric speed that is slower than the transfer surface speed; applying the web to a Yankee dryer; creping the web from the Yankee dryer; and winding the web on a reel, wherein the fabric pattern, nip parameters, velocity delta, and web consistency and composition are selected such that: the web is creped from the transfer surface and redistributed on the creping fabric to form a web with a local basis weight variation, the web including at least (i) a plurality of fiber-enriched regions of a relatively high local basis weight, and (ii) a plurality of elongated regions having a relatively low local basis weight and being generally oriented along the machine direction (MD) of the sheet; and the process exhibits a Caliper Gain/% Reel Crepe ratio of at least 1.5.
    • 一种制造织物起皱吸收性纤维素片的方法,所述方法包括:将造纸配料进行紧密脱水以形成具有造纸纤维取向的显然随机分布的初生纤维网; 将具有造纸纤维取向的显然随机分布的脱水纤维网施加到以转印表面速度移动的平移转印表面; 使用起皱织物以约30%至约60%的稠度使织物从转印表面起皱,织物起皱步骤在压力下在织物起皱辊隙中在转印表面和起皱织物之间形成,其中 起皱织物以比转印表面速度慢的织物速度行进; 将网络应用于扬克烘干机; 从扬克烘干机起皱网; 并且将幅材卷绕在卷轴上,其中选择织物图案,辊隙参数,速度增量​​和幅材一致性和组成,使得:幅材从转印表面起皱并重新分布在起皱织物上以形成具有局部 所述纤维网包括至少(i)具有相对高的局部基重的多个纤维富集区域,以及(ii)具有相对较低的局部基重的多个细长区域,并且通常沿机器定向 方向(MD); 并且该过程表现出至少1.5的卡尺增益/%卷轴皱纹比。