CN105431118A - 带有箍连接件的尿布 - Google Patents

带有箍连接件的尿布 Download PDF

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Publication number
CN105431118A
CN105431118A CN201480042890.0A CN201480042890A CN105431118A CN 105431118 A CN105431118 A CN 105431118A CN 201480042890 A CN201480042890 A CN 201480042890A CN 105431118 A CN105431118 A CN 105431118A
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diaper
longitudinal extension
elastic cuffs
hoop
elastic
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C·B·马蒂纳斯
M·H·波巴赫
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Procter and Gamble Ltd
Procter and Gamble Co
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Procter and Gamble Ltd
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    • A61F13/00Bandages or dressings; Absorbent pads
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    • A61F13/00Bandages or dressings; Absorbent pads
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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

本发明涉及一种婴儿尿布或成人尿布(10),其包括顶片(22)、底片(24)和它们之间的吸收芯(20)、第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b)、被定位在顶片(22)的任一纵向侧上且彼此相对的第一弹性箍(30a)和第二弹性箍(30b)。尿布(10)具有被定位在前区(A)和后区(C)之间的裆区(B)、以及第一弹性箍(30a)和第二弹性箍(30b),所述第一弹性箍和第二弹性箍各自具有被定位在前区(A’)和后区(C)之间的裆区(B’),这些区(A’,B’,C)一般被定位在尿布(10)的相应区(A,B,C)中或与所述相应区相邻。第一弹性箍(30a)和第二弹性箍(30b)各自具有附接到尿布的近侧边缘(32)和远侧边缘(34),所述远侧边缘的至少裆区(B’)不附接到尿布(10)并形成自由翼片(38a,38b)。尿布(10)包括附接到第一弹性箍(30a)和第二弹性箍(30b)两者的箍连接件(70),箍连接件(70)沿大致横向延伸并能够在第一弹性箍(30a)和第二弹性箍(30b)之间施加力,所述力具有从弹性箍(30a)的一个自由翼片(38a)朝弹性箍(30b)的另一个自由翼片(38b)的方向。

Description

带有箍连接件的尿布
技术领域
本发明涉及尿布,它们包括具有改善的贴合性和渗漏防护的婴儿尿布、训练裤、和成人失禁制品等等。在一个方面,利用连接横向相对的箍的连接件来实现所述改善的贴合性和渗漏防护。
背景技术
已提议过带有如下部件的若干尿布类型,所述部件用以改善贴合性并且/或者减少粪便和尿液从尿布的渗漏;减少粪便对生殖器或其它皮肤的脏污;或者减少尿液和粪便的混合,从而进一步降低刺激皮肤的风险。例如,已提议过具有包括开口的顶片的尿布,所述开口提供通向用于所收集的粪便和尿液的空隙空间的通道;也提议过具有两个开口以在独立区域中接收尿液和粪便的尿布;也提议过具有横向定位的三维有回弹力的阻隔壁或隔离件的尿布,所述阻隔壁或隔离件被放置在尿布的中心以分别在所述阻隔壁或隔离件的任一侧上接收粪便和尿液,并避免粪便迁移到制品的前部。
例如,EP1219274B1(Tabata等人)公开了一种具有至少一个直立箍的一次性吸收制品。此类直立箍需要某些拉伸构件,因此看起来较复杂且制备成本较高。
EP1232736B1(Toyoshima等人)公开了一种具有一对三维防护件和多个相关联的弹性构件的吸收制品。这些三维防护件看起来也较复杂且制备成本较高。此外,它们还可能以某种方式包括吸收制品的穿着舒适性,并且可能使得护理者更难以将所述制品正确地穿着到穿着者身上。
然而,本发明人已发现,常规箍且尤其是相对高的常规箍能够与某些箍连接部结合地使用。当与此类连接件一起使用时,甚至高箍也提供可靠的渗漏防护和高穿着舒适性。
发明内容
本发明涉及一种婴儿尿布或成人尿布。更具体地,本发明涉及一种婴儿尿布或成人尿布(10),其具有纵向中心线(Y)和垂直于纵向中心线(Y)的侧向中心线(X),其中尿布(10)包括顶片(22)和底片(24)以及被定位在它们之间的吸收芯(20)、以及第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b),第一弹性箍(30a)和第二弹性箍(30b)被定位在顶片(22)的任一纵向侧上且彼此相对,并且其中尿布(10)具有被定位在前区(A)和后区(C)之间的裆区(B),并且第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b)各自具有被定位在前区(A’)和后区(C’)之间的裆区(B’),纵向延伸的弹性箍(30a,30b)的这些区一般被定位在尿布(10)的相应区中或与所述相应区相邻,并且第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b)各自具有近侧边缘(32),所述相应的纵向延伸的弹性箍在所述近侧边缘处附接到尿布,并且第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b)各自具有远侧边缘(34),所述远侧边缘的至少裆区(B’)不附接到尿布(10)并形成自由翼片(38a,38b),并且其中尿布(10)包括附接到第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b)的箍连接件(70),所述箍连接件沿大致横向延伸并能够在第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b)之间施加力,所述力具有从纵向延伸的弹性箍的一个自由翼片(38a)朝另一个纵向延伸的弹性箍的另一个自由翼片(38b)的方向。
附图说明
图1示出了处于平坦状态的尿布的顶视图,所述尿布适于与本发明的特征一起使用,但不体现本发明。
图2示出了沿剖面线2-2截取的图1的尿布的剖视图。
图3示出了处于平坦状态的本发明的尿布的顶视图。
图4示出了沿剖面线4-4截取的图3的尿布的剖视图。
图5示出了图3和图4的尿布的透视图。
具体实施方式
本文所用“尿布”是指如下吸收制品,它们旨在围绕穿着者的下体放置,并且包括婴儿(婴幼儿和学步儿童)尿布和成人尿布,并且其包括具有旨在围绕下体紧固的紧固件的所谓的尿布、和裤型尿布。
本文所用“前区”(A)和“后区”(C)是指如下两个区,它们在使用中分别最靠近穿着者的前部和穿着者的后部,它们各自跨过尿布或尿布部分或其元件例如弹性箍或顶片的横向尺寸,并且每个区的纵向尺寸(精确地或约或大约)为尿布或尿布部分或其元件例如弹性箍或顶片的纵向尺寸的四分之一。
本文所用“裆区”(B)是指被定位在前区和后区之间的区,其纵向尺寸也(精确地或约或大约)为尿布、尿布部分或其元件例如弹性箍或顶片的纵向尺寸的二分之一。
本文所用“纵向”是指基本上平行于或精确地平行于尿布或尿布部分或顶片的纵向中心线(Y)延伸的方向,其可为所述过程的纵向(MD)。
本文所用“侧向”或“横向”是指基本上垂直于或精确地垂直于尿布或尿布部分或顶片的纵向中心线(Y)的方向,其可为所述过程的横向(CD)。
本文所用“Z方向”是指垂直于纵向且垂直于横向或侧向的方向。
本文所用“纵向尺寸”、“横向尺寸”或“Z尺寸”是指分别沿尿布或尿布部分或其元件的纵向、横向或Z方向测量的尿布、尿布部分或其元件例如弹性箍或顶片的尺寸。
除非另行指出或另外指定,本文所用“基本上垂直”或“基本上平行”是指相对于精确的垂直方向或平行方向的在30°或20°或10°或5°以内的方向。
如本文所用,“沿”是指“至少部分地基本上平行于和相邻于”。
本文所用“松弛的”或“松弛状态”或“收缩的”或“收缩状态”是指尿布或尿布部分的如下状态,其中没有力分别被施加于尿布或尿布部分。
本文所用“平坦状态”是指当尿布被平坦展开到平整的水平表面上时的尿布状态。
本文所用“远侧边缘”是指弹性箍的纵向延伸的边缘,其在使用中比相同弹性箍的另一个纵向延伸的边缘更靠近穿着者的身体。
如本文所用,“非织造纤维网”是指由定向或任意取向的纤维通过摩擦和/或结合和/或粘合而粘结成的、或通过湿磨法而毡化成的人造片、纤维网或毛层,不包括纸张和通过织造、编织、簇成、缝编而组合接结纱或长丝的产品,无论是否附加地缝过。这些纤维可具有天然来源或人造来源,并且可为短纤维或连续长丝或原位形成的纤维。可商购获得的纤维具有的直径范围为小于约0.001mm至大于约0.2mm,并且它们具有几种不同的形式,诸如短纤维(已知为化学短纤维或短切纤维)、连续单纤维(长丝或单丝)、无捻连续长丝束(丝束)和加捻连续长丝束(纱线)。非织造纤维网可通过许多方法形成,诸如熔喷法、纺粘法、溶液纺丝、静电纺纱、梳理法和气流成网法。非织造纤维网的基重通常用克/平方米(g/m2或gsm)表示。
将参考附图进一步说明本发明。另外,还将参照其特征中的某些来说明本发明。本发明涉及尿布,尤其包括顶片、底片、纵向延伸的弹性箍(也称作阻隔腿箍)、弹性腰部结构和箍连接件。现在首先将更详细一些地描述这些元件。
箍连接件
箍连接件在松弛状态中可具有3.0cm,或4.0cm,或5.0cm至例如15.0cm,或至10.0cm,或至8.0cm或至7.0cm,或至6.0cm或至5.5cm的横向尺寸。
箍连接件在松弛状态中可具有至少2.0mm,或至少4.0mm,或至少5.0mm至小于25.0mm,20.0mm,15.0mm,12.0mm或小于10.0mm的平均纵向尺寸。
如果箍连接件是以条形式提供的,则上述纵向尺寸和横向尺寸为所述条的纵向尺寸和横向尺寸。
有用的是将箍连接件定位在尿布的裆区中,例如定位在其中心且略微更靠近尿布的前区。因此,从尿布前边缘至面对尿布前边缘的箍连接件的边缘的距离可被选择为从尿布的前边缘至后边缘获取的尿布总长度的25%至50%或30%至45%。
箍连接件在至少横向上为可弹性延展的,即能够在施加力时延伸,并且能够在释放所述力时收缩至大约其初始宽度。
箍连接件也可在纵向上为可弹性延展的。
箍连接件可由弹性化片材料制成,使得箍连接件至少在横向上为可弹性延展的。
当在本文中用于箍连接件时,“弹性化的”是指其是由非弹性片材料制成的,所述非弹性片材料已设置在仅一个特定区域或多个特定区域中,即设置在一个或多个弹性化区域中,所述区域具有弹性材料例如一个或多个弹性带或股线。
箍连接件的一个或多个部分可通过施加一个或多个弹性带或股线而被弹性化,所述弹性带或股线基本上沿横向延伸至可为非弹性的片材料例如非弹性非织造片。
所述非织造片材料可由本领域已知的聚烯烃诸如聚乙烯和/或聚丙烯制成,所述聚乙烯和/或聚丙烯被制备成纤维,包括双组分纤维,所述纤维随后被制备成非织造片。非织造片材料可为颈缩的非织造材料。非织造片材料可为熔喷非织造材料或纺粘非织造材料或梳理非织造材料;其可为它们的层合体;例如其可为一个或多个纺粘层或梳理层和一个或多个熔喷非织造层的层合体。
箍连接件材料可为阻隔材料;其可为疏水的;例如其可为亲水的并用诸如本领域已知的疏水性表面涂层,例如蜡或包含一种或多种硅氧烷聚合物或氟化聚合物的疏水性表面涂层处理成疏水的。也可用洗剂来处理箍连接件。
箍连接件片对弹性箍的附接
在纵向延伸的弹性箍的前区、裆区或后区中将箍连接件的多部分附接到弹性箍。通过将箍连接件的第一末端部分或第二末端部分分别附接到纵向延伸的弹性箍的区域来形成第一箍附接区域和第二箍附接区域。
箍连接件对弹性箍的附接可通过粘合剂粘结、压力粘结、超声波粘结或本领域已知的任何其它附接方法来进行。箍附接区域可包括一个或多个单个粘结部。可根据某种粘结图案来布置此类一个或多个单个粘结部。
应当理解,如果附接区域包括多于一个单个粘结部,则这些粘结部在本文中被认为是单一的一体箍附接区域。
一个或多个第一箍附接区域和/或第二箍附接区域的粘结图案密度可大于20%,或大于30%,或大于40%,或大于60%,直至100%。
阻隔腿箍
该吸收制品包括一对阻隔腿箍,也称作纵向延伸的弹性箍。阻隔腿箍可由材料片(通常为非织造织物)形成,所述材料片部分地粘结到制品的其余部分,使得所述材料(阻隔腿箍)的一部分在制品被拉平时可从由顶片所限定的平面部分地突起并直立,如例如图1所示。阻挡腿箍可提供在靠近穿着者的躯干和腿部的接合处的液体和其它身体流出物的改善的抑制性。阻隔腿箍至少部分地在纵向轴线的相对侧上的尿布的前边缘和后边缘之间延伸。阻隔腿箍由接合到制品的其余部分(通常为顶片和/或底片)的近侧边缘和自由的远侧边缘界定,其旨在接触穿着者的皮肤并形成密封件。阻隔腿箍在近侧边缘处通过粘结部与制品的基础结构接合,所述粘结部可例如通过胶粘、熔合粘结或已知粘结方法的组合制成。近侧边缘处的粘结部可为连续的或间断的。最靠近腿箍的凸起段的粘结部的侧面界定腿箍的直立段的近侧边缘。
阻隔腿箍可与顶片或底片集成,或者更典型地由接合到制品的其余部分的独立材料制成。通常,阻挡腿箍的材料可延伸通过尿布的整个长度,但朝向制品的前边缘和后边缘“粘性粘结”到顶片,使得在这些段中,阻挡腿箍材料保持与顶片齐平。每个阻挡腿箍34可包括靠近该游离端边66的一个、两个或更多个弹性带35,以提供更好的密封。
当被延伸至95%或80%的伸长应变时,每个箍可具有至少20克(0.2N)且多至100克(1.0N),或多至50克(0.5N)的弹性张力。
箍或箍纤维网材料可包括非织造片材料。可使用与用来制备箍连接件的非织造片材料相同的非织造片材料。所述非织造片材料可为非织造阻隔片材料,所述片材料如本领域已知的那样为液体不可透过的,包括例如具有一个或多个纺粘层和/或梳理层和一个或多个熔喷层的一个或多个非织造层合体。用来形成所述非织造片材料的纤维可选自聚丙烯纤维、聚乙烯纤维、双组分纤维、纳米纤维以及它们的任何组合。
箍可具有任何合适的尺寸,例如根据尿布尺寸而定。它们可延伸约尿布的全长。它们可具有例如至少30mm,或例如至少40mm的垂直于尿布纵向中心线Y的横向尺寸。
除了阻隔腿箍以外,该制品还可包括衬圈箍,所述衬圈箍接合到吸收制品的基础结构(具体地顶片和/或底片),并相对于阻隔腿箍横向向外放置。衬圈箍可提供围绕穿着者的大腿的更好密封。通常每个衬圈腿箍将包括一个或多个弹性带或弹性元件,所述弹性带或弹性元件包括在尿布的基础结构中,例如介于腿部开口区域中的顶片和底片之间。
US3,860,003描述了提供可收缩腿部开口的一次性尿布,所述腿部开口具有侧翼和一个或多个弹性构件以提供弹性化腿箍(衬圈箍)。授予Aziz等人的US4,808,178和US4,909,803描述了具有“直立”弹性侧翼(阻挡腿箍)的一次性尿布,所述侧翼可改善腿部区域的抑制性。分别授予Lawson和Dragoo的US4,695,278和US4,795,454描述了具有双箍(包括衬圈箍和阻隔腿箍)的一次性尿布。阻挡腿箍和/或衬圈箍中的全部或一部分可用洗剂处理。
顶片
该尿布包括顶片。
应当理解,本文的顶片可为单个顶片或作为顶片纤维网的一部分的顶片,此类纤维网由此随后被分成多个单个顶片。出于本发明的目的,除非另行指出,当指称顶片时,这将相应地包括顶片纤维网。相同的情况适用于底片和吸收芯(其可为底片纤维网或吸收芯纤维网),如本文所指的那样。
本文的尿布1的顶片可由本领域已知的任何合适的材料制成,前提条件是其允许尿液通过。为此,其可由尿液可透过的材料制成,包括亲水性材料、或被处理成亲水的材料。其可为包括孔以允许尿液流至顶片下面的吸收芯的开孔顶片。
顶片可为亲水的或疏水的。
优选的顶片材料为非织造材料,包括层合体和/或带有孔的材料,诸如开孔膜、开孔成型膜。
顶片或例如仅其裆区和/或后区可包括护肤组合物,例如,如本领域已知的洗剂。
紧固***
该吸收制品可包括紧固***。紧固***可用于提供围绕吸收制品的周边的侧向张力,以将吸收制品保持在穿着者身上,这对于胶粘尿布而言是典型的。该紧固***对于训练裤制品而言不是必需的,因为这些制品的腰区已经被粘结。紧固***通常包括紧固件,诸如带突片、钩-环紧固部件、联锁紧固件诸如突片&狭槽、扣环、纽扣、按扣和/或雌雄同体紧固部件,虽然任何其他已知的紧固部件一般也是可接受的。着陆区通常设置在前腰区上用于待可释放地附接的紧固件。一些示例性表面紧固***公开于US3,848,594、US4,662,875、US4,846,815、US4,894,060、US4,946,527、US5,151,092和授予Buell的US5,221,274中。一种示例性联锁紧固***公开于US6,432,098中。紧固***也可提供用于以配置构型保持制品的部件,如授予Robertson等人的美国专利US4,963,140所公开的。
紧固***也可包括主紧固***和次紧固***,如US4,699,622中所公开的,以减小重叠部分的移位或改善贴合性,如US5,242,436、US5,499,978、US5,507,736、和US5,591,152中所公开的。
作为紧固***的部分,吸收制品可包括如本领域已知的前耳片和后耳片。耳片可为基础结构的整体部分,例如以侧片形式由顶片和/或底片形成。另选地,它们可为通过胶粘和/或热压花或压力粘结而附接的独立元件。后耳片有利地为可拉伸的以有利于突片附接在着陆区上并将所述胶粘尿布保持在围绕穿着者腰部的适当位置。后耳片也可为弹性的或可延展的,从而通过初始适形地配合吸收制品而为穿着者提供更舒适和适形性贴合,并且当吸收制品负载有流出物时在整个穿着期间维持该贴合性,因为弹性化耳片允许吸收制品的侧边伸展和收缩。
弹性腰部结构
吸收制品还可包括至少一个弹性腰部结构(未示出),其有助于提供改善的贴合性和约束性。弹性腰部结构通常旨在弹性地伸展和收缩以动态地适合穿着者的腰部。弹性腰部结构优选地从吸收芯28的至少一个腰部边缘至少沿纵向向外延伸,并通常形成吸收制品的端边的至少一部分。可构造一次性尿布使得具有两个弹性腰部结构,一个定位于前腰区内而另一个定位于后腰区内。弹性腰部结构可被构造成许多不同的构型,包括描述于US4,515,595、US4,710,189、US5,151,092和US5,221,274中的那些。
应当指出的是,箍(和衬圈箍)以及弹性腰部结构和紧固***的设计(包括尺寸)对尿布(当被穿着时)的总体贴合性具有影响,并因此对箍连接件的位置和功能作用具有影响。在将弹性部件用于尿布的所述各种部分的情况下,它们的弹性性能也具有这种影响。
层与层之间的关系
通常相邻层和部件将使用常规的粘结方法诸如通过槽式涂布或喷涂到层的整个或部分表面上的粘合剂涂层,或热粘结、或压力粘结或它们的组合而接合在一起。为清楚和易读起见,该粘结未示出于附图中(除腿箍的凸起元件与顶片之间的粘结之外),但所述制品的层与层之间的粘结应当被认为是存在的,除非具体地排除。粘合剂通常可用于改善不同层之间,例如底片和芯包裹物之间的粘附。所述胶可为本领域已知的任何标准热熔融胶。
制备制品的方法
本发明的吸收制品可由本领域已知的任何常规方法制成。具体地,所述制品可手工制成,或者在工业上以高速制备。
底片
尿布的底片可为液体不可渗透的,如本领域已知的那样。所述液体不可渗透的底片优选地包括薄型塑料膜,诸如热塑性膜,例如具有约0.01mm至约0.05mm厚度的热塑性膜。合适的底片材料通常包括允许蒸汽从尿布逸出,同时仍然阻止流出物穿过底片的透气材料。合适的底片膜包括由TredegarIndustriesInc.(TerreHaute,IN)制造并以商品名X15306、X10962和X10964出售的那些产品。
底片或其任何部分可在一个或多个方向上弹性地延展。可通过本领域已知的任何附接方法将底片附接或接合到顶片、吸收芯、或尿布的任何其它元件。可为高度优选的是,顶片和底片的纵向侧边彼此直接附接。
尿布10的基本元件(本发明可用于它们)示出于图1和图2中。值得注意的是,所述相应的尿布未包括本发明的特征,然而,一旦将本发明用于诸如图1和图2所示的尿布,其用来示出可通过本发明实现的有益效果。
尿布10包括前边缘12和后边缘14。尿布也具有左侧边缘16和右侧边缘18。出于吸收液体的目的,尿布包括吸收芯20。吸收芯20被定位在顶片22和后片24之间。顶片22被定位在尿布10的面向穿着者侧上,并且将至少在一个部分中允许液体通过。然而,底片24通常是液体不能渗透的(但可为蒸汽可透过的)。
尿布10包括被布置在面向穿着者侧上的衬圈26,其示出于图1的视图中。衬圈箍26包括弹性部件28。这些弹性部件28通常被布置在顶片22和底片24之间。另选地,弹性部件28可设置在阻隔腿箍30的延伸片和底片24之间。所述延伸片可接合到一个或多个阻隔腿箍或与所述阻隔腿箍集成。也可按弹性粘合剂线的形式来提供弹性部件28。
尿布10也包括阻隔腿箍30(也称作“BLC”或纵向延伸的箍)。在尿布的面向阻隔件侧上可清楚地看见这些阻隔腿箍30,其示出于图1的视图中。阻隔腿箍30表现出近侧边缘32和远侧边缘34。近侧边缘32沿尿布的纵向延伸。通常,阻隔腿箍30至少沿它们的近侧边缘32附接到尿布10。通常,至少在邻近前边缘12和后边缘14的位置处存在另外的附接区域。阻隔腿箍30也各自具有远侧边缘34,所述远侧边缘也在纵向上延伸。
阻隔腿箍30配备有被定位成与远侧边缘34相邻的弹性部件36。通过使用弹性部件36,可使阻隔腿箍30良好地接触穿着者,并且在尿布10被穿着期间将保持接触穿着者。阻隔腿箍30的一部分通常不附接到尿布10的其它部分,并因此形成自由翼片38。此类自由翼片38通常至少设置在阻隔腿箍30的裆部部分B’中。通常,将两个纵向延伸的阻隔腿箍设置在尿布的任一侧上。如图1所示,这些是阻隔腿箍30a和30b。每个箍具有相应的近侧边缘32a,32b和相应的远侧边缘34a,34b。此外,每个箍均设置有自由翼片38a,38b。阻隔腿箍且具体地它们的自由翼片38a,38b是以镜像形式提供的,并且围绕尿布的纵向轴线Y对中。
尿布10也配备有紧固***。在尿布的后区C中,紧固***包括后耳片40。后耳片40设置有粘合带42。用于粘合带42的着陆区44设置在底片24的区中。当尿布10围绕穿着者下体放置时,后耳片40与前耳片46协作。前耳片46包括突片部分48。
图2提供了如图1中的线2-2所示的尿布的横截面视图。该横截面视图提供了芯20的结构的更多细节。在顶片22下面提供了采集/分配***50。该***包括与顶片22相邻或接近顶片22放置的采集层52。在采集层52下布置了用于分配液体的分配层54。在采集/分配***50下面放置了芯20。如在该图中可见,芯20包括多个通道56。另外,还可提供若干具有不同尺寸的通道,诸如在图1中可见的另外的通道58。在此类通道之间布置了吸收材料60。吸收材料60被芯包裹物62覆盖。
由图2也可清楚地见到,在阻隔腿箍30的近侧边缘32处提供了专用附接装置。如图所示,可按阻隔腿箍粘结部64的形式提供该附接装置。相应的粘结部可由纵向延伸的胶线提供。
参照图1和图2所示的尿布10,其代表了现代尿布(不体现本发明),已变得显而易见的是,阻隔件箍30的远侧边缘34a和34b具有高运动自由度。本发明在限制该运动自由度方面具有有益效果。这可导致更好的且更具再现性的贴合性,尤其是在裆区中。
图3提供了根据本发明的尿布10的面向阻隔件侧的顶部平面图。在尿布的中心区或裆区B并从而在阻隔腿箍的中心区或裆区B’中,布置了箍连接件70。箍连接件70是以条72的形式提供的。该条72附接到阻隔腿箍30a和30b中的每个。所述附接是在附接区域74a和74b中实现的。箍连接件70限制具体地自由翼片38a和38b的运动自由度。
图4提供了沿图3的线4-4截取的横截面视图。在该横截面视图中,可清楚地见到箍连接件70是如何连接阻隔腿箍30a的远侧边缘34a与阻隔腿箍30b的远侧边缘34b的。箍连接件70是以条72的形式提供的。附接区域74a和74b设置在阻隔腿箍30a和30b的内侧上,这是阻隔腿箍大致面向顶片22的一侧。与弹性部件36相邻提供了相应的附接区域74a和74b。然而,它们也可设置在阻隔腿箍30的其它区域中。
图5提供了根据本发明的尿布10的透视图。尿布10被示出处于不平坦构型。该构型至少部分地逼近尿布在被穿着时所呈现的构型。在该构型中可见,阻隔腿箍30a和30b直立在顶片22上方。因此,自由翼片38a和38b具有高运动自由度。在一定程度上,该运动自由度受到弹性部件36(如图3和图4所示)的限制。然而,箍连接件70以有效方式提供了对所述运动自由度的另一种限制。箍连接件70直接连接相对的阻隔腿箍30。阻隔腿箍30的构造,例如弹性部件36的使用,确保了箍连接件70可实现所述的有益效果,而不附接到尿布10的其它部分。箍连接件70呈现由可小心地设计和影响的若干力的平衡所限定的位置。这些力包括由阻隔腿箍30a和30b、这些箍的弹性部件36和箍连接件自身所施加的力。
因此,箍连接件70可靠地呈现该位置而不附接到尿布的其它部分。具体地,在阻隔腿箍30中所引起的张力确保箍连接件70在顶片22上方保持在某种“自由浮动”位置。
应当了解,本文所公开的量纲和值不旨在严格限于所引用的精确值。相反,除非另外指明,否则每个这样的量纲旨在表示所述值以及围绕该值功能上等同的范围。例如,公开为“40mm”的量纲旨在表示“约40mm”。
除非明确排除或限制,将本文引用的每篇文献,包括任何交叉引用或相关专利或专利申请,全文以引用方式并入本文。任何文献的引用不是对其作为本文所公开的或受权利要求书保护的任何发明的现有技术,或其单独地或与任何其它参考文献的任何组合,或者参考、提出、建议或公开任何此类发明的认可。此外,如果此文献中术语的任何含义或定义与以引用方式并入本文的文献中相同术语的任何含义或定义相冲突,将以此文献中赋予该术语的含义或定义为准。
虽然已经举例说明和描述了本发明的特定实施例,但是对于本领域的技术人员来说显而易见的是,在不背离本发明的实质和范围的情况下可做出多个其它改变和变型。因此,本文旨在在所附权利要求中涵盖属于本发明范围内的所有此类改变和修改。

Claims (13)

1.一种婴儿尿布或成人尿布(10),所述尿布具有纵向中心线(Y)和垂直于所述纵向中心线(Y)的侧向中心线(X),其中所述尿布(10)包括顶片(22)和底片(24)以及被定位在它们之间的吸收芯(20)、以及第一纵向延伸的弹性箍(30a)和第二纵向延伸的弹性箍(30b),所述第一弹性箍(30a)和所述第二弹性箍(30b)被定位在所述顶片(22)的任一纵向侧上并彼此相对,并且其中所述尿布(10)具有被定位在前区(A)和后区(C)之间的裆区(B),并且所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)各自具有被定位在前区(A’)和后区(C’)之间的裆区(B’),所述纵向延伸的弹性箍(30a,30b)的这些区一般被定位在所述尿布(10)的相应区中或与所述相应区相邻,并且所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)各自具有近侧边缘(32),所述相应的纵向延伸的弹性箍在所述近侧边缘处附接到所述尿布,并且所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)各自具有远侧边缘(34),所述远侧边缘的至少所述裆区(B’)不附接到所述尿布(10)并形成自由翼片(38a,38b),并且其中所述尿布(10)包括附接到所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)的箍连接件(70),所述箍连接件沿大致横向延伸并能够在所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)之间施加力,所述力具有从一个自由翼片(38a)朝另一个自由翼片(38b)的方向。
2.根据权利要求1所述的尿布(10),其中所述箍连接件(70)附接于所述第一纵向延伸的弹性箍(30a)的裆区(B’)处并附接于所述第二纵向延伸的弹性箍(30b)的裆区(B’)处。
3.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)直接连接所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)。
4.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)不附接到所述尿布(10)的所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)之外的部分。
5.根据前述权利要求中任一项所述的尿布(10),其中当所述尿布处于其存储构型时,所述箍连接件(70)不向所述第一纵向延伸的弹性箍(30a)和所述第二纵向延伸的弹性箍(30b)上赋予大量的力。
6.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)沿基本上垂直于所述纵向延伸的弹性箍(30a,30b)的延伸方向的方向与所述箍连接件(70)的附接区域相邻延伸。
7.根据前述权利要求中任一项所述的尿布(10),其中使用粘合剂将所述箍连接件(70)附接到所述纵向延伸的弹性箍中的至少一个。
8.根据前述权利要求中任一项所述的尿布(10),其中以条的形式提供所述箍连接件(70)。
9.根据权利要求6所述的尿布(10),其中所述条具有如沿所述尿布(10)的纵向测量的约2mm至约25mm的宽度。
10.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)具有如沿横向测量的约3cm至约15cm的长度。
11.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)包括非织造材料或者由非织造材料制成。
12.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)包括弹性材料或者由弹性材料制成。
13.根据前述权利要求中任一项所述的尿布(10),其中所述箍连接件(70)由层合体制成或者包括层合体,所述层合体包括弹性材料或非织造材料。
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