CN1316951C - 短衬裤型一次性尿布 - Google Patents

短衬裤型一次性尿布 Download PDF

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CN1316951C
CN1316951C CNB03807074XA CN03807074A CN1316951C CN 1316951 C CN1316951 C CN 1316951C CN B03807074X A CNB03807074X A CN B03807074XA CN 03807074 A CN03807074 A CN 03807074A CN 1316951 C CN1316951 C CN 1316951C
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CN1642508A (zh
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泷野俊介
大坪俊文
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Unicharm Corp
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Abstract

短衬裤型一次性尿布包括前和后躯干覆盖区域及胯部覆盖区域,体液吸收部件以胯部覆盖区域为中心沿前和后躯干区域的方向延伸。体液吸收部件在胯部覆盖区域中沿第一、第二和第三弯折部件沿吸收部件的宽度方向向内弯曲。沿体液吸收部件的边缘形成翼片。在翼片中,沿边缘延伸的第一边缘连接到体液吸收部件的外表面,第二边缘置于吸收部件的内表面上。该尿布还包括沿每个翼片的纵向以拉伸状态连接于翼片上的第一和第二弹性构件,第二弹性构件包括第一和第二子弹性构件中的至少一个,第二子弹性构件连接到翼片上,以位于吸收部件的外表面下方;第一和第二弹性构件沿纵向的收缩使吸收部件受偏压而弯曲成U形并将吸收部件保持在折叠状态。

Description

短衬裤型一次性尿布
技术领域
本发明涉及一种用于吸收和保存身体排泄物的短衬裤型一次性尿布。
背景技术
日本专利申请No.1975-33044A披露了一种如附图中的图10所示的折叠型一次性尿布201。该尿布201由吸液垫、透液的内层222和不透液的外层223构成,以便呈现为矩形,然后按与该矩形的长边垂直的横断线210a将该矩形沿纵向折叠成两个半部。同时,将该矩形由其横向相对的边缘向该尿布内,更确切地说,向该横断线210a的中点褶起,以便形成袋218。该尿布适合于与尿布覆盖物结合使用来穿着,并且当矩形以这种方式向内褶起时,彼此面对的层223的表面部分被局部地彼此粘接,以便即使在该尿布已经被展开以将该尿布穿在穿着者的身体上之后,也能防止各袋218脱离其最初的形状。以这种方式配置的尿布能与其矩形形状无关地有效避免身体的排泄物泄漏,因为该尿布的专门用来覆盖穿着者胯部的区域足够窄而能紧密地置于穿着者的胯部。
日本实用新型申请No.1972-36734A披露了一种由矩形条带制成的折叠型尿布。该尿布也适合于与尿布覆盖物结合使用来穿着,并且该尿布在尿布的纵向中间区域中从其横向相对的边缘向内褶起。以这种方式获得的尿布的胯部区域其宽度被充分地减小以能紧密地置于穿着者的胯部,由此减少了对尿液侧漏的担心。
上述两种传统的尿布都是矩形敞开型的,并适于通过将尿布展平且将其施加在面朝上躺着的婴儿的臀部处而穿戴在婴儿的身体上。但是,尿布的已经预先折叠和褶起的区域容易在该尿布展平的时候脱离其最初的形状,并且在该尿布已经穿在穿着者的身体上之后,这些区域的功能可能会不足。由日本专利申请No.1975-33044A所披露的尿布意图通过将在尿布折叠和褶起时彼此相对的表面部分局部地粘接在一起来防止尿布脱离其最初的形状。但是,这种粘接会妨碍尿布被平整地展开,并阻碍了将尿布穿在穿着者身上的操作。在上述日本实用新型申请No.1972-36734A中所披露的尿布伴随有这样的不便,以这种方式折叠和褶起的胯部区域在将尿布展平时可能会脱离其预定的形状。
发明内容
本发明的一个目的是提供一种短衬裤型一次性尿布,其具有改进的在胯部覆盖区域中折叠的身体排泄物吸收部件,以便能够将该尿布迅速地穿在穿着者的身体上,而不用担心褶起的身体排泄物吸收部件可能脱离其预定的形状。
根据本发明,提供了一种短衬裤型一次性尿布,其具有高度方向和与该高度方向垂直的横向,尿布关于沿横向将该尿布的尺寸二等分的中心线基本上对称,该尿布包括具有内表面和与该内表面相对的外表面的短衬裤状覆盖部件,以及身体排泄物吸收部件,该覆盖部件由分别适合于覆盖穿着者的前部区域、后部区域和胯部区域的前腰部覆盖区域、后腰部覆盖区域和胯部覆盖区域构成,以便限定腰部孔和一对腿部孔,并且身体排泄物吸收部件位于内表面上,并且在整个胯部覆盖区域上延伸至前和后腰部覆盖区域中;
该短衬裤型一次性尿布还包括:身体排泄物吸收部件,该身体排泄物吸收部件包括吸液芯体和透液的覆盖层,该芯体沿着身体排泄物吸收部件延伸的方向相对较长,并且具有内表面和与该内表面相对的外表面,该覆盖层覆盖至少芯体的内表面和外表面的内表面,身体排泄物吸收部件设有第一折叠引导线、第二折叠引导线和第三折叠引导线,所述第一折叠引导线从位于沿着高度方向彼此平行地延伸的横向相对的侧边缘之间的中间区域延伸至前腰部覆盖区域中的各个侧边缘,所述第二折叠引导线以类似的方式延伸至后腰部覆盖区域的各个侧边缘,且所述第三折叠引导线沿横向在第一和第二折叠引导线之间延伸,并且沿着第三折叠引导线将吸收部件折叠在中心线的两侧上,从而该芯体可使其外表面部分彼此面对,并沿着第一和第二折叠引导线,从而该芯体可使其内表面部分彼此面对;并且身体排泄物吸收部件沿侧边缘形成有翼片,每个翼片具有与身体排泄物吸收部件的侧边缘平行地延伸的第一和第二侧边界边缘以及在与身体排泄物吸收部件的侧边缘相交的方向上延伸的第一和第二端部,将第一和第二侧边界边缘绕着身体排泄物吸收部件的相关联的侧边缘折叠,以便分别置于身体排泄物吸收部件的外表面侧上和内表面侧上,第一和第二端部分别连接到分别位于前和后腰部覆盖区域中的身体排泄物吸收部件的前端和后端上;
所述尿布还包括沿每个翼片的纵向以拉伸状态连接于该翼片上的第一和第二弹性构件,其中,第一和第二弹性构件被连接到所述翼片的最上面的边界边缘上,所述第二弹性构件包括第一子弹性构件和第二子弹性构件中的至少一个,并且所述第二子弹性构件连接到所述翼片上,以位于所述吸收部件的所述外表面下方;并且所述第一和第二弹性构件沿纵向的收缩使所述吸收部件受到偏压而弯曲成U形,并且将所述吸收部件保持在折叠状态;
在胯部覆盖区域中,将覆盖层沿侧边缘折起,以便覆盖芯体的内表面和外表面,并且在侧边缘附近,芯体能够透过覆盖层从该芯体的内表面和外表面吸收身体排泄物。
在本发明中还包括将所述第二弹性构件的第一子弹性构件连接到所述翼片,以位于所述吸收部件的所述内表面上方。
附图说明
图1是示出了一种短衬裤型一次性尿布的透视图;
图2是示出了图1中的尿布的局部切去的透视图;
图3是示出了图1中的尿布的展开平面图;
图4是示出了图3中的尿布的分解透视图;
图5是示出了吸收部件的局部切去的透视图;
图6是沿着图5中的线VI-VI截得的剖视图;
图7是沿着图5中的线VII-VII截得的剖视图;
图8是示出了图1中的尿布的局部切去的侧视图;
图9是沿着图2中的线IX-IX截得的剖视图;以及
图10是示出了一种传统尿布的透视图。
具体实施方式
从下面参照附图所作的描述中将更加清楚地了解根据本发明的短衬裤型一次性尿布的细节。
图1是示出了短衬裤型一次性尿布1的透视图,图2是示出了该尿布1的局部切去的透视图。尿布1具有与图1和2中的垂直方向相对应的高度方向和与该高度方向垂直的横向。尿布1主要包括短衬裤状覆盖部件2和身体排泄物吸收部件3。该横向也是尿布1的宽度方向。覆盖部件2具有面对穿着者身体的内表面2a和面对穿着者衣物的外表面2b。该覆盖部件2由分别适于覆盖穿着者的前部区域、后部区域和胯部区域的前腰部覆盖区域6、后腰部覆盖区域7以及胯部覆盖区域8构成。将前和后腰部覆盖区域6、7叠置并且沿横向相对的侧边界边缘在沿相对的侧边界边缘按竖直方向间隔布置的多个区域4处连接在一起,从而前腰部覆盖区域6、后腰部覆盖区域7和胯部覆盖区域8彼此相互配合,以限定出腰部孔9和一对腿部孔11。腰部孔9沿其周向边界边缘设置有多个以拉伸状态固定于其上的腰部弹性构件12。对腿部孔11来说,形成前和后腰部覆盖区域6、7并限定相对应的腿部孔11的大约上半周向边缘的一对层106、107沿着这些周向边缘分别设置有多个以拉伸状态固定于其上的腿部弹性构件13,以便呈现基本上圆弧形状(也见图8)。将身体排泄物吸收部件3设置在覆盖部件2的内表面2a上,并在整个胯部覆盖区域8上延伸至前和后腰部覆盖区域6、7中。将身体排泄物吸收部件3朝着将尿布1的宽度二等分的纵向中心线A-A(见图3),也就是朝尿布1的横向向内折叠。
图3为表示图1所示尿布1的局部切开的平面图,并且其前和后腰部区域6、7已经在连接区域4处被彼此分开,并分别沿着由箭头P、Q所示的方向展开;图4是示出了处于如图3中所示的这种展开状态下的尿布1的分解透视图。如图所示,展开的尿布1其如图3的垂直方向所示的长度由横向中心线B-B二等分,该中心线B-B沿尿布1的横向延伸并与纵向中心线A-A成正交关系。在如图3中所示的展开状态下,尿布1基本上关于纵向中心线A-A对称,并可以沿着横向中心线B-B折起,并且在区域4处连接在一起,以得到在如图1中所示的状态中的尿布1。
覆盖部件2包括限定了前腰部覆盖区域6和部分胯部覆盖区域8的六角形前片106、限定了后腰部覆盖区域7和部分胯部覆盖区域8的六角形后片107以及限定了部分胯部覆盖区域8的矩形中央片108。中央片108的纵向相对的端部通过热熔体粘合剂连接到前片106和后片107的相应的内表面(也就是如图4中所示的上表面)上,并因此将前片106和后片107相互连接。由塑料薄膜制成的矩形的不透液的中间层117放在中央片108的内表面上,并且沙漏形内层116放在中间层117的内表面上。中间层117与中央片108的形状基本上相同但比中央片108略小。内层116的尺寸及形状与由连接在一起的前片106、后片107和中央片108所限定的沙漏状构造基本上相同。这些片和层106、107、108、117和116互相层叠,并且在这些片和层的叠置的区域中断续地连接在一起。将矩形身体排泄物吸收部件3连接到内层116的内表面上,从而使由身体排泄物吸收部件3所限定的矩形的较长侧边可以在中央片108的纵向延伸。将吸收部件3的纵向相对的端部27、28和在这些端部27、28之间延伸的横向的中间区域通过施加在内层116上的热熔体粘合剂29连接到内层116上。
吸收部件3具有如图3中所示的在垂直方向上相对较长的矩形形状。该矩形吸收部件3由平行于纵向中心线A-A延伸的横向相对的侧边缘26和沿着与横向相对的侧边缘26成正交关系的尿布1的横向(也就是宽度方向)延伸的前和后端部27、28限定其轮廓。沿着侧边缘26,分别设置了一对翼片25。吸收部件3包括芯体21和通过热熔体粘合剂29连接在覆盖部件2的内表面2a上的覆盖层22。芯体21由吸收材料例如绒毛浆料或者具有超强吸收性的聚合物颗粒在适当的压力下压缩制成。当芯体21被显示为整体上为矩形时,应当理解,该芯体21具有分别沿点划线R、S和T延伸的沟槽20r、20s、20t,其中点划线R与横向中心线B-B相重合地延伸,点划线S延伸成呈现出从由纵向中心线A-A和横向中心线B-B的交点所限定的芯体21的中心区域朝着前腰部覆盖区域6至横向相对的侧边缘26的V形,点划线T延伸成呈现出从由纵向中心线A-A和横向中心线B-B的交点所限定的芯体21的中心区域朝着后腰部覆盖区域7至横向相对的侧边缘26的V形。这些沟槽20r、20s、20t将芯体21分成芯体元件21a、21b、21c、21d、21e和21f。
图5是示出了吸收部件3的局部切去的透视图;图6和7是分别沿着图5中的线VI-VI和VII-VII截取的剖视图。翼片25由分别沿着吸收部件3的侧边缘26延伸的防漏层130形成。防漏层130由憎水的、优选地是不透液的、最好是透气性的且不透液的非织织物或者塑料薄膜制成,并且沿尿布1的横向折叠,以便呈现Z形或者倒Z形截面。翼片25具有在吸收部件3的外表面3b的一侧上的第一侧边界边缘131和在吸收部件3的内表面3a的一侧上的第二侧边界边缘132。通过粘合剂34将第一侧边界边缘131固定到覆盖层22上。如图6和7中所示,第二侧边界边缘132位于内表面3a的上方,并且在垂直方向和水平方向上可变形。将第二侧边界边缘132的最外侧边界边缘折起以便包裹以拉伸状态固定在该最外侧边界边缘的第一弹性构件41。在第一和第二侧边界边缘131和132之间,防漏层130从第一侧边界边缘131朝着第二侧边界边缘132延伸到吸收部件3的相关联的侧边缘26之外,然后将该防漏层130朝着内表面103a折起,并再次向外折起到吸收部件3的相关联的侧边缘26之外。应当理解,在吸收部件3的纵向相对的端部27、28处,由被折叠成Z形或者倒Z形的防漏层130形成的翼片25的第一和第二端部133、134由粘合剂34保持在这种折叠状态。更具体地说,不仅防漏层130的各层折叠成Z形或倒Z形以形成翼片25,而且通过粘合剂34将覆盖层22和防漏层130连接在一起。通过防漏层130将第一弹性构件41其纵向相对的端部分别固定到吸收部件3的纵向相对的端部27、28上。除了第一弹性构件41之外,翼片25可在第一和第二侧边界边缘131、132之间的中间区域中设置有弹性构件42,该弹性构件42沿纵向延伸并以拉伸状态固定到该中间区域上。第二弹性构件42平行于第一弹性构件41延伸,并且被设置在第一和第二端部133、134之间至少在胯部覆盖区域8中。如图6中所示,第二弹性构件42可以包括固定到翼片25上以便位于吸收部件3的内表面3a的上方的第一子弹性构件(42a)和/或固定到翼片25上以便位于吸收部件3的外表面3b的下方的第二子弹性构件(42b)。
可以将在如图4所示的连续步骤中层叠和粘接在一起的片和层106、107、108、117、116和吸收部件3沿着横向中心线B-B折起,并将吸收部件3折叠在内,然后可以将前片106、后片107和内层116在如图1所示的连接区域4处沿着其相应的侧边缘连接在一起,以得到处于如图1所示状态下的尿布1。因此,将吸收部件3在胯部覆盖区域8中相对于纵向中心线A-A的两侧部分折叠,如图2中所示。更具体地说,将吸收部件3沿着沟槽20r折叠,从而使芯体元件21c的外表面24与芯体元件21e的外表面24相对(见图6),而芯体元件21d的外表面24与芯体元件21f的外表面24相对。同时,将吸收部件3沿着沟槽20s和沟槽20t折叠,从而使芯体元件21a的内表面23(见图6)与相应的芯体元件21c、21d的内表面23相对,而芯体元件21b的内表面23与相应的芯体元件21e、21f的内表面23相对。在吸收部件3中,沟槽20r、20s、20t没有芯体21或者容纳有极低密度的芯体21,因此吸收部件3其在这些沟槽20r、20s、20t中的劲度比在其它区域中的劲度低。此外,将吸收部件3的位于沿着纵向中心线A-A的部分连接到覆盖部件2的内表面2a上,而相对的侧边缘26和这些侧边缘26的附近不连接到覆盖部件2的内表面2a上,如从图3和4中清楚地看出的。这种布置有助于将吸收部件3沿着沟槽20r、20s、20t折叠,如图1中所示。
图8是示出了图1中尿布1的局部切去的侧视图;图9是示出了沿着图2中的线IX-IX的重要部件的剖视图。在图8所示的剖视图中,在剖开部分中的弹性构件用实线表示,并且延续到实线中的弹性构件由点划线表示。图2中的线IX-IX与在图3和4中在沟槽20r内延伸的横向中心线B-B重合。如图1所示,当将尿布1穿在穿着者身体上且吸收部件3沿着其纵向弯曲时,第一弹性构件41伴随翼片25一起收缩。在翼片25具有第二弹性构件42的情形中,第二弹性构件42也同时收缩。当第一和第二弹性构件41、42收缩时,翼片25的限定在吸收部件3的纵向相对的端部27、28之间的部分在其侧边缘26的外侧升起到吸收部件3的内表面3a的上方。图9示出了在沿着线IX-IX截取的剖视图中以这种方式升起的翼片25。在图6中由虚线表示的翼片25在吸收部件3的端部28附近升起。以这种方式升起的翼片25具有第二侧边界边缘132,该第二侧边界边缘132能够在第一和第二弹性构件41、42的拉伸和收缩情况下紧密贴合在穿着者的腿的周围。以这种方式贴合在穿着者的两腿周围的翼片25可防止身体排泄物从侧面流到吸收部件3的侧边缘26之外,并因此防止身体排泄物从尿布1泄漏出。这种防护效果在吸收部件3的这一区域中尤其显著,即,该区域已经在胯部覆盖区域8中如图2所示的被折叠以便减小部件3的宽度。第一和第二弹性构件41、42伴随着这些翼片25一起的收缩使吸收部件3受偏压而沿纵向弯曲成U形。尤其是第二弹性构件42被布置在吸收部件3在胯部覆盖区域8中被折叠的区域附近,并用来将这些折叠的区域保持在其最初的折叠状态。即使当吸收部件3的折叠区域未被折叠时,第一和第二弹性构件41、42也偏压这些区域以恢复最初的折叠状态,并且防止这些区域脱离相应的最初的折叠状态。这样,通过提供设置有第一和第二弹性构件41、42的翼片25可以可靠地保持吸收部件3中的折叠区域的最初的形状。在翼片25中,在如图1和2中所示状态下的第一弹性构件41呈现U形,并且达到基本上分别半包围着穿着者的腿,并且第一弹性构件41的与相应的未直接半包围着穿着者的腿的上半部分相对应的向上延伸的部分与固定在前片106和后片107上的腿部弹性构件13叠置。这些弹性构件13、41配合以确保尿布1能够围绕相应的腿的整个圆周贴合。尽管示出的第一弹性构件41是单个的弹性构件,但其可由多个弹性构件代替。
从图6和9清楚地看出,翼片25优选的制造成以便与吸收部件3的外表面3b,尤其是在部件3的侧边缘26的附近向下地间隔开。利用这种配置,流到侧边缘26之外的一定量的身体排泄物能朝箭头E所示的方向流入限定在吸收部件3的外表面3b和防漏层130之间的空间中,并且透过覆盖层22由芯体21从外表面3b吸收。
在已经如上所述的配置的图1的短衬裤型一次性尿布1中,将吸收部件3的相对的侧边缘26、26折叠,从而可以使吸收部件3的宽度在胯部覆盖区域8中有利地减小而与穿着者的胯部紧密接触。此外,限定在这些相对的侧边缘26、26之间的空间形成袋30(见图2和9),该袋30用来防止吸收部件3被所吸收的尿液弄湿的内表面可能在大面积上与穿着者的身体相接触而使穿着者产生不舒服的潮湿感觉的可能性。即使身体排泄物流到侧边缘26之外,位于这些侧边缘26外侧的翼片25能起到阻挡件的作用防止身体排泄物从尿布1的泄漏。为了将尿布1穿在婴儿身上,他或她的母亲可以引导婴儿的腿穿过由母亲的放在腰部孔9的内侧上的手尽可能宽地撑开的腰部孔9进入相应的腿部孔11中。利用该尿布1,在胯部区域8中远离腰部孔9与覆盖部件2分开设置的吸收部件3不会受到在腰部孔9以这种方式被撑开时尿布1发生的变形的影响。另外,即使吸收部件3脱离其最初的折叠形状,用于翼片25的第一和第二弹性构件41、42的收缩,尤其是第二弹性构件42的收缩,有助于吸收部件3恢复其最初的折叠状态,该第二弹性构件42可以是沿翼片25的横向相互平行地延伸的多个弹性构件。利用吸收部件3,折叠区域的侧边缘与婴儿的胯部可靠地紧密接触。因此,将吸收部件3折叠以便减小其宽度以在尿布1穿在婴儿身体上时可靠地提供其预期效果。
根据本发明的短衬裤型一次性尿布具有这样的有益效果,即,将在整个胯部区域上延伸至前和后腰部区域的身体排泄物吸收部件折叠,从而使吸收部件其宽度可以在胯部区域减小,并且仅沿着其横向相对的侧边缘与穿着者的身体接触。利用这种独特的布置,即使在身体排泄物吸收部件已经吸收了身体排泄物之后,穿着者也没有潮湿的感觉。身体排泄物吸收部件与短衬裤状覆盖部件的组合确保了吸收部件的被折叠以便使其宽度在胯部区域中减小的那一部分不会在将尿布穿在穿着者的身体上的过程中脱离其折叠的姿态。此外,固定到在身体排泄物吸收部件的侧边缘的外侧形成的翼片上的弹性构件通常使身体排泄物吸收部件受偏压而弯曲成U形。这一特征可以有效地防止身体排泄物吸收部件的折叠形状脱离其预定的形状,并且与传统的尿布相比,有助于将尿布穿在穿着者身体上的操作。

Claims (2)

1.一种短衬裤型一次性尿布(1),其具有高度方向和与所述高度方向垂直的横向,所述尿布关于沿所述横向将该尿布的尺寸二等分的中心线(A-A)基本上对称,所述尿布(1)包括具有内表面(2a)和与所述内表面(2a)相对的外表面(2b)的短衬裤状覆盖部件(2),以及身体排泄物吸收部件(3),所述覆盖部件(2)由分别适合于覆盖穿着者的前部区域、后部区域和胯部区域的前腰部覆盖区域(6)、后腰部覆盖区域(7)和胯部覆盖区域(8)构成,以便限定腰部孔(9)和一对腿部孔(11),并且所述吸收部件(3)位于所述内表面(2a)上,并且在整个所述胯部覆盖区域(8)上延伸至所述前和后腰部覆盖区域(6,7)中,所述短衬裤型一次性尿布(1)的特征在于:
所述身体排泄物吸收部件(3)包括吸液芯体(21)和透液的覆盖层(22),所述芯体(21)沿着所述身体排泄物吸收部件(3)延伸的方向相对较长,并且所述芯体(21)具有内表面和与所述芯体(21)的内表面相对的外表面,所述覆盖层(22)覆盖至少所述芯体(21)的所述内表面和外表面中的所述内表面,所述身体排泄物吸收部件(3)设有第一折叠引导线(20s)、第二折叠引导线(20t)和第三折叠引导线(20r),所述第一折叠引导线(20s)从位于沿着所述高度方向彼此平行地延伸的横向相对的侧边缘(26)之间的中间区域延伸至所述前腰部覆盖区域(6)中的各个所述侧边缘(26),所述第二折叠引导线(20t)以类似的方式延伸至所述后腰部覆盖区域(7)的各个所述侧边缘,且所述第三折叠引导线(20r)沿所述横向在所述第一和第二折叠引导线(20s,20t)之间延伸,并且沿着所述第三折叠引导线(20r)将所述吸收部件(3)折叠在所述中心线(A-A)的两侧上,从而所述芯体(21)的外表面部分彼此面对,并沿着所述第一和第二折叠引导线(20s,20t),从而所述芯体的内表面部分彼此面对;以及
所述吸收部件(3)沿所述侧边缘(26)形成有翼片(25),每个翼片(25)具有与所述身体排泄物吸收部件(3)的所述侧边缘平行地延伸的第一和第二侧边界边缘(131,132)以及在与所述吸收部件(3)的所述侧边缘(26)相交的方向上延伸的第一和第二端部(133,134),将所述第一和第二侧边界边缘(131,132)绕着所述身体排泄物吸收部件(3)的相关联的侧边缘(26)折叠,以便分别置于所述身体排泄物吸收部件(3)的外表面(3b)侧上和内表面(3a)侧上,所述第一和第二端部(133,134)分别连接到分别位于所述前和后腰部覆盖区域(6,7)中的所述身体排泄物吸收部件(3)的前端和后端(27,28)上;
所述尿布还包括沿每个翼片(25)的纵向以拉伸状态连接于该翼片(25)上的第一和第二弹性构件(41,42),其中,第一和第二弹性构件(41,42)被连接到所述翼片(25)的最上面的边界边缘上,所述第二弹性构件(42)包括第一子弹性构件(42a)和第二子弹性构件(42b)中的至少一个,并且所述第二子弹性构件(42b)连接到所述翼片(25)上,以位于所述吸收部件(3)的所述外表面(3b)下方;并且
所述第一和第二弹性构件(41,42)沿纵向的收缩使所述吸收部件(3)受到偏压而弯曲成U形,并且将所述吸收部件(3)保持在折叠状态;
在所述胯部覆盖区域(8)中,将所述覆盖层(22)沿所述侧边缘(26)折起,以便覆盖所述芯体(21)的所述内表面和所述外表面,并且在所述侧边缘附近,所述芯体(21)能够透过所述覆盖层(22)从所述芯体(21)的所述内表面和所述外表面吸收身体排泄物。
2.如权利要求1所述的一次性尿布(1),其特征在于,所述第二弹性构件(42)的第一子弹性构件(42a)被连接到所述翼片(25),以位于所述吸收部件(3)的所述内表面(3a)上方。
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