CN1148800A - 一次应用的吸液用品 - Google Patents
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Abstract
一次应用的吸液用品如尿布、月经带等,它具有基本纵向形状,包括一吸液体(12)和包围吸液体,有一透液内层(17)和一外层(18)的罩(11)收缩弹性件(23)与至少一层接触以形成用品在使用位置的形状。施加弹性件的罩层分别连接于吸液体的内侧面和外侧面,所述弹性件(23)在吸液体的至少一个区域以至少一个基本连续弯曲部分(24,25)延伸。弹性件收缩的努力和弹性件与所述层的接触,在朝向弹性件曲率中心的方向上,在所述层上作用一个张力,这个张力被传递并由吸液体吸收。弹性件是以预应力施加的,由预应力和曲率半径形成的上述张力会使用品变形,从而形成沿弯曲的弹性件部分的,相对于用品平面成横向的池壁。
Description
本发明涉及按照权利要求1的前序部分所述的一次应用的吸液用品。
现有技术中公知吸液用品,例如尿布,其设有弹性体,以便用品保持在使用时的形状。在大多数这种用品中,弹性体的主要目的是在穿用者的两腿分叉处形成一高起的边缘,为穿用者的两腿提供密封。但是,在至今为止的技术方案中,局部收集和容纳较大容积的粪、尿等的能力是有限的。
例如US3,860,003中公开了一种尿布,腿部弹性体形成了一条围绕腿的圆箍。弹性体在用品展开位是完全直线的,基本沿吸收体一侧延伸,以便使尿布的边缘在使用位置时密封住腿部。
US4,050,462涉及一种尿布,其弹性体在尿布平展状态时直线延伸并用来收缩尿布的分叉部分,通过折叠增大表面和单位长度的容积,从而增加吸液效果。
WO88/00010描述了一种尿布,它具有基本呈直线的弹性体,形成-V形形状。弹性体在尿布的吸液体上延伸,并借助于弹性体收缩作用界定了一个可改变形状的区域。通过弹性体直线部分的伸展,作为整体的用品的折叠基本是弹性体减小用品全长的倾向的结果。
US4,801,345描述了一种制造尿布的方法。该方法包括沿尿布的腿分叉部分使用弹性体,使弹性体沿尿布纵缘向外凹地完全伸向吸液体一侧。弹性体的主要目的是在尿布边缘和穿用者腿部之间形成密封接触。另一个作用是一定的收缩,在腿分叉处上形成收液体的折叠。
EP0129 326描述一种尿布,其弹性体在尿布平展状态完全直线地,完全伸向吸液体一侧。弹性体部分在分叉处每一侧面尿布的外缘,部分在吸液体每一侧面的缘带中布置。除了借助缘带保证一条强健的密封边缘之外,弹性体保证了吸液体的一定折叠和收缩。
GB 2 234157涉及一种尿布,其弹性体围绕裤子的腰线,沿着紧靠穿用者腿部的腿分叉部分的边缘,且横跨分叉部分延伸。用于绕腿密封的弹性体可减小泄漏的危险,而横跨分叉部分的弹性体则只是用于合理地铺设连续的弹性带。这种结构和方法特别适用于裤形尿布。
本发明的目的是提供一种一次应用的吸液用品,在使用位置时它具有高效的收集形状。
自从在70年代按照US3 860 003的带有腿部弹性体的尿布得到广泛使用以来,在世界范围内提出了大量关于尿布弹性体的专利申请。
弹性体一直是沿着和/或横跨尿布铺设,以便形成一个三维形状或防泄漏障碍。
弹性体还沿着吸液体侧缘外的覆盖层的边缘区域以弯曲的形状使用,其弯曲形状选择得更好地配合使用者的身体形状。
本发明形成了一种全新的弹性效果,给产品带来了极大的优点。
上述目的和全新效果是通过按照本发明的用品实现的,其特征在权得要求1中阐明。
现对照以下附图通过两个实施例详述本发明。
图1是按照本发明呈尿布形状的第一实施例的用品的平面图。
图2是按照图1的尿布基本处于使用位置形状的立体图。
图3是按照本发明第二实施例处于使用位置形状的用品的立体图;
图4是沿图2中V-V线剖过处于平面伸展状态的尿布的纵剖图;
图5是沿图2中V-V线剖过处于使用位置形状的尿布的纵剖图;
图6是沿图2中VI-VI线剖过处于使用位置形状的尿布的剖面图;
图7-9示意地表示尿布的其它实施例。
作为一个实施例,选择了特别代表本发明的,用于收集液体和排泄物的用品,即一种用于小便失禁,即用于非婴儿而是因疾病或年老而有严重小便失禁的成人的尿布。
从图1,2和4所示的第一实施例可以看出,这种尿布包括一个罩11,内装置吸液体12形状的芯部。在如同4所示的平的展开状态中,芯部具有较平整的主要形状,其具有两个相背的主要表面,即面对使用者的内侧面13和朝外的外侧面14。吸液体12还具有周围的圆边部15,使吸液体12具有一个在解剖学上适于穿用者身体的便利的外部形状。即使吸液体12主要是整体厚度相等的,实际上它最好设有具有较大厚度(未画出)的中央部16。
在图示实施例中的罩11是由具有相互不同特性的两层17,18构成的。层17,18分别朝向吸液体12的内侧面13和外侧面14使用,并且两层在吸液体的边部15之外结合起来从而封住吸液体,并为尿布整体形成一个凸缘状的边部19。在边部19两层17,18相互接触放置,并用粘合剂相互接合。
构成图示尿布的具体构件可以是用于这种目的的通用构件。用在内侧面13上的层17可以是柔软的,挠性的透液材料,如(无纺)纤维布或聚乙稀或类似材料的柔软穿孔塑料膜。在外侧面14上的层18是不透液材料的,如聚乙烯、聚丙烯、聚氯乙烯或类似材料的薄(如20μm)塑料膜。吸液体可以是纤维素纤维,由压缩空气布置的棉纸,各种不同的超级吸液材料等。
如图1所示,图示实施例中的尿布具有非对称的沙漏或花生壳形的主要形状,有一腰部和分叉区20,其向前背部21和前部22单向膨胀,这两个部分的目的是在使用位置上接触穿用者的相应部位。吸液体12比尿布10的外廓变细的程度更大,因而在分叉区20使尿布的边部19有较大的宽度。
为了使尿布10形成在使用位置便利的形状,尿布设有收缩弹性体23,本发明有独特的结构和位置。一种便利的形状使特尿布在使用位置能够通过吸收和产品的形状容纳性容纳大量液体或固体渗出液,例如尿、血或其它体液或排泄物。为此目的,弹性体23至少局部设置在方舟形弯曲的弹性体部分24,25,在吸液体12上延伸。在图示实施例中,设有两上方舟形连续弯曲的弹性体部分24,25,在尿布的纵边部28,29附近的两个交叉处26,27其两端会合。
在第一实施例中,弹性体23接合在罩11的层17,18中的至少一个上,并且接合在透液层17上。在图示实施例中,弹性体使用在层17的内侧面上,即,在吸液体和层之间,但是当然也可以使用在层的外表面上。弹性体由纵向弹性件构成,例如它可具有高弹材料如橡胶的带状芯部和螺旋缠绕的包层,其可用粘合剂粘合,使弹性芯部可固定在尿布的层17中,同时使弹性芯部可弹性位移。弹性体用于收缩,因而弹性带应加预应力,即,在固定在尿布的层17上之前受到一定程度的预应力。在弹性体长度的一定区域或沿其全长旋加粘合剂30可实现上述固定。在图示实施例中,每个方舟形弯曲部分24,25布置双弹性体,即,两条相互平行延伸的弹性件30,31,32,33,其中,在一个弯曲部分25中一弹性件33变成两条边缘弹性体34,35,即,沿着尿布的两条纵缘28,29的一段伸向与相对的弯曲部分34中的弹性件30,31的交叉处26,27。在图示实施例中,边缘弹性体34,35基本直线延伸,但是它们也可呈弧形,但曲率不大,即,有大的曲率半径。
在图1中,尿布基本是以平面图表示的,即,是展开的,但是处于可以看出弹性体收缩作用的状态。
图2表示处于使用位置的形状的尿布。这种形状只要人们开始处置尿布就会形成,这种效果下文将详述。只要尿布是平的,基本没有成形发生,但是只有吸液体稍受压缩。当将尿布放至其使用位置之前用手弯曲尿布,同时下压在弹性体内的区域38时,可强近开始需要的变形。借助弯曲弹性体收缩的倾向并借助其在罩的层17上的固定,以及层和吸液芯部之间的粘合,弹性体连同罩和吸液体12的变形特性形成了相对于用品的平的内侧面的基本垂直的池壁39’。在用品的分叉区中的,吸液体的侧缘之外的罩部形成池壁39”,它连同池壁39’围成一个池状空间。
在图3中表示与图2相应的尿布第二实施例的视图,其中,弹性体23’具有与第一实施例相同的结构,但是粘合在罩的外层18,即,不透液层上。即使在这种情形中,弹性带也最好用粘合剂粘合在层18的内侧面上。这又必须横跨内侧面粘合在吸液体上。在本实施例中也会形成一个相应的便利的池。这是极为重要的是,为了形成垂直的池壁,在弹性体部分引起尿布需要的变形之前,通过弹性体的弯曲部分作用在尿布上的力是受到外力帮助的。
在上述两个实施例中,在分叉区20的前方的边部19因弹性体收缩即减少长度的倾向而抬起。抬起的纵缘36,37用于在使用位置接触穿用者的身体,实际上接触大腿内侧,以便抵靠人体形成一个高度透液的密封。特别是在图2的第一实施例中,在弯曲的弹性部分的内侧形成显著的基本垂直的池壁。另外,在侧向上由于层的弹性体收缩形成一定的折叠。如前所述,弯曲的池壁基本垂直于沿着基本平的池底的直线。通过选择弹性体的预应力和吸液体的变形趋向,弯曲的池壁可与上术沿池底的直线形成锐角或钝角。当为锐角时,可获得最靠近弹性体的袋状空间。因此,周边的弹性体形成池39的上缘,池39作为身体产物的容纳区域,这对于体积较大的严重小便失禁的情况有特殊的价值。排泄物可容纳在上述空间中而无超出尿布容纳区域的的危险。吸液体12,特别是弹性体23内的部分,用于吸收液体的目的,而池壁在吸液体12有时间充分吸收全部液量之前也用于防止液体漏出尿布之外。高起的边部19也容纳由于尿布的精度,例如当穿用者侧卧时没有立即被吸液体12吸收的液体。当穿用者改变体位,液体可立即由吸液体吸收。
图4和5的纵剖图和图6的横剖面画出了弹性体的成形效果,这将加以详述。弹性体的成形效果是通过弹性体收缩,力周减小其长度而实现的。通过弹性体在罩上的固定,罩随弹性体收缩运动而运动。罩层又横跨吸液体长度粘合在吸液体上,从而使在罩层平面上的张力传递至吸液体上。由于吸液体伸展的主要部分上的弹性体是在弯曲形状中施加的,因而收缩的效果导致弹性体在弯曲部分上的每一点施加一个指向弯曲部分每一点的曲率中心的分力40,41,如图1和4所示。如果弯曲部分具有变化的曲率,那么,对于每一点都具有不同的曲率中心。但是,尿布的吸液体12对压缩具有一定的阻力,在图4中示出反作用力分量42,43,因而它们抵销弹性体的收缩力40,41。在推者实施例中,反抗压缩的阻力大于横跨板状吸液体的对称面44,即在图纸平面上的横过力42,43的方向上的变形阻力。吸液体12最好由所谓的纤维素绒团构成,较容易与罩11一起弯曲,但仍显示一定的压缩阻力。这种特性导致,由作用一反作用力41,43和40,42引起的转矩形成用品在带有方舟形弹性体的区域的变形,该变形由圆的方舟形线41,49,50-51代表的,它们示意地代表局部的弯曲方向。通过弹性体在对称面44之外的定位,吸液体的弯矩已在平面状态中形成。但是,用品具有一定的刚度,在平面状态中不变形,因而变形是在处置用品时首次开始的。
图5表示用品形成的地,它是由沿方舟形弹性体的基本垂直的池壁39’和在吸液体外的罩部形成的池壁39”界定的。上述部分在边缘弹性体34,35,以及方舟形弹性体的作用下抬起。
图6的横截面表示池是较深的,因而它可以容纳大量排泄物。
在图1-6所示实施例中,作为整体的弹性体形成在每个制成的尿布中的一条封闭环。
图7示意地表示一个尿布的实施例,弹性体以一个弯曲的弹性体部分60横过分叉区20,形成界定横壁61。在这种情形中,在尿部的背部21和前部22之间形成一分量,因而增加了排泄物的容纳空间。
图8表示另一实施例,背部21和前部22各有一个池状空间66,67,它们由两个弯曲的弹性体部分62,63,64,65与在每个弯曲部分内的横向池缘68-71形成。
图9表示另一实施例,其中,在平状态中的尿布的主要形状可以基本是矩形。通过弹性体的收缩作用获得一个带锥形分叉部分20的沙漏形状。即使在这种情况下,也形成横向池缘72,73,提供防止边缘泄漏的有效障碍。
本发明并不局限于上面描述和附图表示的实施例,而是可以在权利要求书的范围内变化。例如,封闭的弹性体环可以由分离的弯曲弹性体部分取代。例如,它们可分布在不同的部位,例如,横过分叉部分20,以便分开排泄物和尿。可以适用于其它严重尿失禁的尿布,如婴儿尿布,月经带等。术语“基本连续弯曲部分”主要是指弧形或曲线形的弯曲部分,但是也可包括若干直线部分,最好是至少三个直线部分的组合以替代半圆方舟形或类似形状。
Claims (10)
1.一次应用的吸液用品如尿布、月经带或类似物,它具有基本纵向的形状并包括一个吸液体(12),其带有朝内和向着穿用者身体的内侧面(13)和朝外的外侧面(14),还包括一个封住吸液体的罩(11),其带有抵靠吸液体内侧面的透液内层(17)和抵靠吸液体外侧面的外层(18),收缩弹性件(23)与上述至少一层接触,以便使用品形成在使用位置上的形状,其特征在于:至少施加弹性件的罩层分别与吸液体的内侧面和外侧面相连接,在吸液体(11)的至少一个区域上所述弹性件(23)以至少一个基本连续弯曲部分(24,25)延伸,所述弹性件通过力图收缩及其与所述层(17,18)之一的接触,在朝向弹性件曲率中心的方向上在所述层上作用一个力,因而这个力被传递并由所述吸液体吸收,所述吸液体是由下述材料制成的,这种材料使其容易弯曲但同时至少在高的程度上抵抗由向着弯曲的弹性件的曲率中心的张力形成的压缩,所述弹性件以预应力施加,由该预应力和曲率半径形成的所述张力,当使用者开始弯曲用品时,会使用品变形,以便形成沿弯曲的弹性件部分的,一个相对于用品平面的横向池壁。
2.如权利要求1所述的用品,其特征在于:所述弹性件(23)以所述弯曲部分(24,25)从纵向边部(28,29)的一边伸向另一边。
3.如权利要求1所述的用品,其特征在于:所述弹性件(23)构成一个包围由弹性件形成的池状空间的封闭周边。
4.如权利要求3所述的用品,其特征在于:所述封闭周边是由并入边缘弹性体(34,35)的两个弯曲部分(24,25)构成的,所述边缘弹性体沿着在分叉区(20)的用品纵边部(28,29)延伸。
5.如权利要求4所述的用品,其特征在于:所述吸液体(12)在分叉区(20)逐渐变细,在所述纵边部(28,29)形成一个在使用位置抬起的抬高部分(19),并被包括在所述池中。
6.如前述任一权利要求所述的用品,其特征在于:所述吸液体是由所谓纤维素绒团制成的,可嵌有所谓超级吸液材料的纤维颗粒。
7.如权利要求1-6中任一项所述的用品,其特征在于:所述吸液体是由合成纤维和超级吸液材料制成的。
8.如前述任一权利要求所述的用品,其特征在于:所述吸液体是由泡沫制成的。
9.如前述任一权利要求所述的用品,其特征在于:所述用品具有一前部、一背部和一个分叉区,使用弯曲的弹性体部分以形成移向前部,用于容纳尿的第一封闭区及形成移向背部用于容纳排泄物的第二封闭区(图9)。
10.如权利要求1-8中任一项所述的用品,其特征在于:所述用品具有一个横向的弯曲弹性件以形成一个相对于用品平面的高起的障碍壁(图8)。
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SE (1) | SE502818C2 (zh) |
SK (1) | SK281552B6 (zh) |
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TW (1) | TW296342B (zh) |
WO (1) | WO1995031162A1 (zh) |
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CN103099712A (zh) * | 2013-02-06 | 2013-05-15 | 黄山富田精工制造有限公司 | 体液吸收用的卫生用品及其制造设备和制造方法 |
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- 1995-05-12 PE PE1995268547A patent/PE27196A1/es not_active Application Discontinuation
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- 1995-05-15 CO CO95020415A patent/CO4600669A1/es unknown
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- 1995-05-15 AT AT95919720T patent/ATE184778T1/de not_active IP Right Cessation
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- 1995-05-15 GB GB9509785A patent/GB2289419B/en not_active Expired - Fee Related
- 1995-05-15 TN TNTNSN95054A patent/TNSN95054A1/fr unknown
- 1995-05-15 AU AU25421/95A patent/AU686810B2/en not_active Ceased
- 1995-05-15 ES ES95919720T patent/ES2139207T3/es not_active Expired - Lifetime
- 1995-05-15 DE DE69512400T patent/DE69512400T2/de not_active Expired - Lifetime
- 1995-05-15 WO PCT/SE1995/000538 patent/WO1995031162A1/en active IP Right Grant
- 1995-05-15 DK DK95919720T patent/DK0760643T3/da active
- 1995-05-15 CZ CZ19963341A patent/CZ286297B6/cs not_active IP Right Cessation
- 1995-05-15 CA CA002190498A patent/CA2190498C/en not_active Expired - Fee Related
- 1995-05-15 SK SK1480-96A patent/SK281552B6/sk unknown
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- 1995-05-15 CN CN95193118A patent/CN1148800A/zh active Pending
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100339063C (zh) * | 1998-05-29 | 2007-09-26 | 尤妮佳股份有限公司 | 身体排泄物处理用品及其制作方法 |
CN100339062C (zh) * | 1998-05-29 | 2007-09-26 | 尤妮佳股份有限公司 | 身体排泄物处理用品及其制作方法 |
CN103099712A (zh) * | 2013-02-06 | 2013-05-15 | 黄山富田精工制造有限公司 | 体液吸收用的卫生用品及其制造设备和制造方法 |
CN103099712B (zh) * | 2013-02-06 | 2014-09-10 | 黄山富田精工制造有限公司 | 体液吸收用的卫生用品及其制造设备和制造方法 |
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