CN1109532C - 用于吸收身体流出物的一次性用品 - Google Patents

用于吸收身体流出物的一次性用品 Download PDF

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CN1109532C
CN1109532C CN95190271A CN95190271A CN1109532C CN 1109532 C CN1109532 C CN 1109532C CN 95190271 A CN95190271 A CN 95190271A CN 95190271 A CN95190271 A CN 95190271A CN 1109532 C CN1109532 C CN 1109532C
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leakage barriers
groove
leakage
crotch
barriers
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CN1126431A (zh
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八卷留美
岛田孝明
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Unicharm Corp
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Unicharm Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49017Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577Apparatus or processes for manufacturing
    • A61F13/15585Apparatus or processes for manufacturing of babies' napkins, e.g. diapers

Abstract

本发明公开了由柔软弹性材料制成的一种泄漏障碍物(10),它在裆部接触部分(9)两侧内表面上纵向延伸,泄漏障碍物(10)的上表面(12)上有许多沿纵向交替出现的凸顶(13)和凹槽(14),凸顶(13)和凹槽(14)均在泄漏障碍物(10)上横向延伸。

Description

用于吸收身体流出物的一次性用品
技术领域
本发明涉及一种一次性用品,用于放在使用者裤裆处以吸收身体流出物,如婴儿和成人用一次性尿布、婴儿用的训练裤和妇女用的卫生巾。
背景技术
已知的置于裤裆处吸收身体流出物的一次性用品,如一次性婴儿尿布和妇用卫生巾,在其与使用者裆部接触的内表面有防止身体流出物泄漏的泄漏障碍物,该障碍物在裆部横向相对的两侧沿纵向延伸。例如,日本实用新型申请公开No.sho60-136308公开了用于上述目的防泄漏障碍物,它由一海绵状松软弹性泡沫材料制成的比较宽的条带组成,条带以一预先选定的预张力粘于尿布的内表面以便在尿布裆处相对的两侧纵向延伸。预张力一消除,相应的泡沫材料条带就会向上隆起贴着使用者的皮肤,形成松软的弹性防泄漏障碍物。日本实用新型申请公开No.sho62-88704亦公开了一种由聚氨酯泡沫材料或其它类似材料制成的带状物,该带状物粘于尿布裆部横向相对两侧的内表面以便带状物可呈现Ω型横截面,从而起到所期望的防泄漏障碍物的作用。该尿布应具有一舒适柔软接触的防泄漏障碍物,它能顺应使用者身体的运动从而保证其不仅与使用者的裆部良好适应,而且与使用者的每一条腿均良好适应。
然而,当一次性用品具有由柔软弹性材料,如上述聚氨酯泡沫材料制得的通常成对使用的防泄漏障碍物时,柔软弹性材料往往会在其长度上一处或多处有棱角地弯曲,而不能形成一平滑的曲线,结果形成沿防泄漏障碍物横向方向的凸顶。这些凸顶使防泄漏障碍物不能与使用者的皮肤完全紧密地接触。也就是说,这些凸顶会形成一些通道,即形成联通一次性用品里外的通道,通过这些通道,身体流出物容易泄漏出去,而这是人们所不希望发生的。即使所说的凸顶没造成如此严重的后果,有明显凸顶的防泄漏障碍物还会与使用者皮肤不能一致紧密地接触,结果使其穿起来不舒服。
发明内容
本发明的主要目的是为解决上述问题而提供一个防泄漏障碍物的皮肤接触表面,该防泄漏障碍物由柔软弹性材料制成并有折皱。
为实现上述目的,根据本发明提供一种一次性用品,用于放置在使用者裤裆处以便吸收身体流出物,它具有一裆部接触部分,该部分包括:一个液体可渗透的上层;一个液体不可渗透的下层;和一个设置在所述上层和下层之间的吸收液体的芯层;以及由柔软弹性材料制成的一对身体流出物泄漏障碍物,所述泄漏障碍物设置并粘贴在所述上层和下层之间,至少在所述裆部接触部分中在所述芯层的横向相对两侧纵向延伸,其特征在于:每个泄漏障碍物的上表面的至少一部分包括一种折皱结构,该结构包括多个纵向交替排列的凸顶和凹槽,各凸顶和凹槽均在其泄漏障碍物上横向延伸,每个所述凹槽呈V型,当所述泄漏障碍物处于弯曲形状时,使限定每个凹槽的一对相对的侧壁彼此紧密接触以闭合所述凹槽,以便避免身体流出物通过所述凹槽的泄漏。
当具有这种结构的泄漏障碍物置于使用者身体上时,泄漏障碍物在各凹槽处会发生变形,结构形成总体上光滑的曲线。通过增加凹槽数,即通过减小相邻两凹槽间的间距,可以提高泄漏障碍物所形成的曲线的光滑程度并避免形成明显的凸顶。适当地选择泄漏障碍物的高度和/或提供这样一种结构,使得当泄漏障碍物弯曲时凹槽相对的两壁相互紧密接触从而闭合凹槽,身体流出物经由一个或多个凹槽的泄漏就可基本上避免。
附图说明
图1是表示一个一次性尿布的透视图,其中一部分已被剖掉;
图2是沿图1中X-X线的截面图;
图3是表示泄漏障碍物一重要部分的侧视图;
图4是类似图3的一侧视图,但泄漏障碍物的重要部分已作修改。
具体实施方式
下面结合附图对按本发明的用于吸收人体流出物的用品的最佳
实施例进行详叙。
图1是一个透视图,它表示了部分被剖掉的一种一次性尿布1。尿布1包括一可渗透液体的上层2、一不可渗透液体的下层3和置于上下两层之间的可吸收液体的芯层4,其中上层2和下层3的边部向外延伸超出可吸收液体的芯层4的横向相对的两侧边缘,并在特定位置粘在一起形成边沿5。沿尿布1纵向看,它包括前段7、后段8和位于前段7和后段8之间的裆段9。两个泄漏障碍物分别置于两边沿5上,并分别沿纵向延伸过裆段9而进入前段7和后段8中。带状系结物11位于后段8并从边沿5的边缘向外伸出。泄漏障碍物10为具有恰当横截面形状的柔软弹性物,其横截面形状可以是矩形、圆形或梯形等,并且其上表面(即接触皮肤表面12)至少在裆段9部分上有折皱结构,折皱是由沿纵向交替出现的许多凸顶13和凹槽14形成的。
图2是沿图1中X-X线的截面图,它表示了裆段9的结构。如图2所示,上层2和下层3沿其相互相对的周边15、16用热熔性粘合剂17液密地粘接在一起。液体吸收芯层4和泄漏障碍物10的底表面均用热熔性粘合剂17断续地粘在下层3上。在本发明范围内,如果需要,把液体吸收芯层4和泄漏障碍物10与上层2粘接也是可以的。
图3为一侧视图,它表示了泄漏障碍物10的一重要部分,图3中的双点划线表示当泄漏障碍物10弯曲时所占据的位置。图3中,A表示泄漏障碍物10本身的高度,B表示凹槽14的深度,C表示在凹槽14的槽底处泄漏障碍物10的厚度。可适当选取A、B、C这些值和凹槽14的形状,高度A的值最好能充分保证尿布不仅能在使用者双腿处密封好而且还能可靠地密封住裆部,而与液体吸收芯层4的所选厚度无关。凹槽14的形状最好这样设计,当泄漏障碍物10弯曲以避免身体流出物泄漏时,构成每个凹槽14的相对的两壁20相互紧密接触从而闭合该凹槽14的槽沟,否则的话,身体流出物10可能会从凹槽14泄漏出去,为此,凹槽14最好设计成V型。然而,考虑到泄漏障碍物10的弯曲程度与使用者身体的大小有关,就泄漏障碍物10在槽底处厚度C的大小足以避免身体流出物而言,各个凹槽14可仅仅起利于泄漏障碍物10的弯曲的作用。
作用方式如前所述的泄漏障碍物10可以由热塑性材料如聚氨酯或聚乙烯制得的柔软弹性开孔或闭孔泡沫材料构成,或者由纤维网构成,如由卷曲热塑性性复合纤维制得并具有抗压稳定强度的无纺织物。泄漏障碍物10可如图1所示置于上层2和下层3之间,或者粘接在上层2的上表面。泄漏障碍物10不仅对一次性尿布有用而且对其它一次性用品,如妇用卫生巾、训练裤,用于失禁的尿布和尿吸收垫等,也是有用的。
图4为表示泄漏障碍物10一重要部分的侧视图,这种泄漏障碍物相对图3所示的泄漏障碍物10略有修改,其中凹槽14相互之间有一定距离。本发明也可这样实现。
用于吸收身体流出物的一次性用品的构成部分,即上层2、下层3和液体吸收芯层4可以用本领域通常采用的材料来制造。
如图1所示,可在泄漏障碍物10的上表面粘有可纵向延伸的带有预张力的弹性件,或者该弹性件也可粘在与泄漏障碍物10的上表面相对的上层2的下表面的对应位置上,以便泄漏障碍物10弯曲时能正常弯曲。
按本发明之身体流出物吸收用品,当使用者将其穿在身上时泄漏障碍物10光滑弯曲,故大大提高了穿着舒适性,这是由于泄漏障碍物10在其上表面有由沿纵向交替出现的凸顶13和凹槽14所构成的折皱结构。此外,例如通过适当确定各凹槽的底部厚度,可基本上避免身体流出物经由凹槽14泄漏出去。
按本发明之用品对一次性尿布、训练裤和妇用卫生巾是有用的。该用品之泄漏障碍物不仅可用在使用者的腿部,还可用在其腰部。

Claims (2)

1.一种一次性用品,用于放置在使用者裤裆处以便吸收身体流出物,它具有一裆部接触部分,该部分包括:一个液体可渗透的上层;一个液体不可渗透的下层;和一个设置在所述上层和下层之间的吸收液体的芯层;以及
由柔软弹性材料制成的一对身体流出物泄漏障碍物,所述泄漏障碍物设置并粘贴在所述上层和下层之间,至少在所述裆部接触部分中在所述芯层的横向相对两侧纵向延伸,其特征在于:
每个泄漏障碍物的上表面的至少一部分包括一种折皱结构,该结构包括多个纵向交替排列的凸顶和凹槽,各凸顶和凹槽均在其泄漏障碍物上横向延伸,每个所述凹槽呈V型,当所述泄漏障碍物处于弯曲形状时,使限定每个凹槽的一对相对的侧壁彼此紧密接触以闭合所述凹槽,以便避免身体流出物通过所述凹槽的泄漏。
2.如权利要求1所述的一次性用品,其特征在于:所述泄漏障碍物在其上表面设有纵向可伸展的弹性构件。
CN95190271A 1994-04-07 1995-04-07 用于吸收身体流出物的一次性用品 Expired - Fee Related CN1109532C (zh)

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JP06960894A JP3182040B2 (ja) 1994-04-07 1994-04-07 使い捨ての体液吸収性着用物品

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JP3182040B2 (ja) 2001-07-03
CN1126431A (zh) 1996-07-10
CA2164430A1 (en) 1995-10-19
EP0716842A1 (en) 1996-06-19
KR0148526B1 (ko) 1998-11-02
AU2148195A (en) 1995-10-30
CA2164430C (en) 1998-12-22
DE69527342T2 (de) 2004-07-29
EP0716842A4 (en) 1997-08-27
WO1995027459A1 (fr) 1995-10-19
EP0716842B1 (en) 2002-07-10
DE69527342D1 (de) 2002-08-14
AU699750B2 (en) 1998-12-10
US5643244A (en) 1997-07-01
JPH07275291A (ja) 1995-10-24

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