CN1141073C - 一次性穿着用品 - Google Patents

一次性穿着用品 Download PDF

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CN1141073C
CN1141073C CNB001342800A CN00134280A CN1141073C CN 1141073 C CN1141073 C CN 1141073C CN B001342800 A CNB001342800 A CN B001342800A CN 00134280 A CN00134280 A CN 00134280A CN 1141073 C CN1141073 C CN 1141073C
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lower limb
elastic component
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CN1297722A (zh
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���κ�֮
丹治浩之
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伊贺上隆光
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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
    • 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
    • A61F13/49413Absorbent 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 the edge leakage prevention means being an upstanding barrier

Abstract

提供具有防止体液从腿周漏出用阻挡层且穿着感良好的一次性穿着用品,在形成可覆盖腹部、臀部与股部的一次性穿着用品1的外面的层叠片(2)的腿周侧缘部(23)安装着沿腿周方向以伸长状态延伸的第一腿周弹性构件(21)、和向用品(1)内方凸起地画弧以伸长状态延伸的第二腿周弹性构件(22)。层叠片(2)以第二腿周弹性构件(22)为内侧沿构件(22)的侧缘(22A)被折叠,由于该折叠向用品(1)内方延伸的部分被沿构件(22)另一方侧缘(22B)折返。

Description

一次性穿着用品
本发明涉及一次性尿布、一次性训练用裤衩、一次性尿布罩等一次性穿着用品。
在美国专利4695278号公报中,展示了带有衬垫翻边与阻挡层翻边的一次性尿布。衬垫翻边是由从上下夹着吸液性芯的顶层与底层在从芯的侧缘向侧方延伸出来的部分相互重合而形成的,并在伸长状态下安装沿尿布前后方向延伸的弹性构件。阻挡层翻边由沿前后方向延伸的带状片两侧缘部的一方接合于顶层上面而形成。在阻挡层翻边的另一方侧缘部以伸长状态装着沿前后方向延伸的弹性构件。如穿用这种尿布,由于其弹性构件的收缩,衬垫翻边紧贴于腿周。阻挡层翻边,由于其弹性构件收缩而从上层上面立起,形成向尿布内方开口的兜。对于尿或软便等流动性排泄物,其流动被立起的阻挡层翻边阻止,使其不会从尿布漏出。
前述公知的尿布,由于形成可从顶层上面立起的阻挡层,必须使用跨越裆下区延伸到尿布的前后端部的长带状片。这种前后端部的内面有时由于带状片的存在而产生凸凹不平,缺乏平滑性,或变得僵硬,有碍于提高尿布的穿着感。而且,为了形成能发挥在裆下区所需要的防漏功能的阻挡层,必须使用跨越裆下区沿前后方向长长延伸的带状片,不能实现极力减少使用材料、降低制造成本。
在这里,本发明的课题即在于,在所述一次性尿布等穿用品中,穿用时在裆下区两侧立起、发挥防漏功能的阻挡层既不会使穿着用品的穿着感变差,又不致使材料成本上升。
为解决前述课题,本发明的一次性穿着用品:具有内面与外面,可覆盖穿用者的腹部、臀部与股部,在前述内面上可保持前述穿用者排泄物。其特征是,形成前述穿着用品的前述外面的片,在向上述穿用者腿周方向延伸的两侧缘部上具有第一腿周弹性构件与第二腿周弹性构件,其中第一腿周弹性构件以伸长状态沿侧缘部的缘向前述腿周方向延伸;第二腿周弹性构件则是从前述缘向前述股部内方凸起地画弧延伸再回到前述缘的伸长状态。形成前述两侧缘部的前述片沿着前述第二腿周弹性构件并以前述第二腿周弹性构件为内侧被向前述穿着用品的内方折叠;同时,由于折叠而位于前述第二腿周弹性构件的内方的部分向着前述穿着用品外方再被折返。
在本发明中,有如下最佳实施形态:
(1)前述第一腿周弹性构件与第二腿周弹性构件,通过沿这些构件折叠位于这些构件两侧的前述片而被前述片间包覆,前述片内面通过前述构件相互接合。
(2)在上述片的内面上,体液吸收性芯位于前述第二腿周弹性构件彼此间。
附图简要说明
图1是尿布罩的局部剖视立体图;图2是图1的II-II剖面图;图3是弯曲了的尿布罩的立体图;图4是一次性尿布的局部剖立体图;图5是图4的V-V剖视图;图6是尿布里面层的制造工序图。
作为一次性穿着用品以一次性尿布罩为例并参照附图对本发明详细说明如下。
在图1中以立体图示出的尿布罩1,由外侧塑料膜2A与内侧无纺布2B构成的层叠片2形成,具有纵向Y和横向X;为了能覆盖穿用者的腹部、臀部及股部,在其纵向Y上形成了前腰围区6、后腰围区7、和位于该两腰围区6、7间的裆下区8。图示例的尿布罩1大致为矩形,具有前端缘11、后端缘12以及在该两端缘11、12间相互并行延伸的两侧缘13,在前后端缘11、12的内侧沿横向X延伸着腰围弹性构件16。弹性构件16处于塑料膜2A与无纺布2B间,在伸长状态下安装于它们内面的至少一方上。从后腰围区7的两侧缘13向侧方延伸出连结带17,当穿着尿布罩1时,可由该连结带17将前后腰围区6、7连结起来。在裆下区8中,在紧挨侧缘13内侧沿纵向Y直线延伸的第一腿周弹性构件21、和从侧缘13向尿布罩1内方凸出成圆弧状延伸再回到侧缘13的第二腿周弹性构件22处于塑料膜2A与无纺布2B间,在伸长状态下安装于2A、2B两者内面的至少一方上。第一、第二腿周弹性构件21、22两者端部实际是重合状态,即端部处于接近或重合状态,在穿用尿布罩1时,形成了沿穿用者腿周延伸的大致成半月形的腿周侧缘部23。在侧缘部画弧的线26,是层叠片2的弯曲线(参照图2)。
这种尿布罩1在其内面上具有通过安装以尼龙塔扣等商品名所熟知的机械连结件的阳构件与阴构件、或涂布粘结剂来形成的结合固定装置31,可在该装置31上安装吸尿衬垫等排泄物处理材料32进行穿用。在这样所使用的尿布罩1中,塑料膜2A使用了不透液性材料。
图2是图1的II-II局部剖视图。在腿周侧缘部23中,层叠片2被沿第二腿周弹性构件22的侧缘22A向罩1内方折叠,由这种折叠比弹性构件22更位于内侧的部分用沿弹性构件22的另一方侧缘22B弯折线26向外方折返。在被折叠的部分27中,相面对的无纺布2B之间夹着第二腿周弹性构件22由粘结剂28相互接合起来。
图3是表示尿布罩1被穿用沿前后方向弯曲时的状态的罩1立体图。在罩1弯曲时,由于第一腿周弹性构件21的收缩,腿周侧缘部23在裆下区8立起,即在图2中,以弯折线26为基端沿箭头P方向转动,可以起到防止在裆下区8沿横向X流动的体液从腿周漏出的阻挡层作用。在图示的尿布罩1中,由腰围弹性构件16的收缩,前后端缘11、12内侧产生皱折;由于第一、第二腿周弹性构件21、22的收缩,沿这些弹性构件21、22产生皱折。腿周侧缘部23,由于第一、第二弹性构件21、22的收缩,至少第一腿周弹性构件21近旁可紧贴穿用者腿周。
图4、图5分别是表示本发明实施形态之一例的一次性尿布101的立体图及其V-V剖面图。尿布101由不透液性塑料膜102A与无纺布102B构成的层叠片102形成,它具有形成尿布101外面的里面层104、和长度与里面层104相同而宽度窄一些的透液性表面层105、以及夹于该表里面层104、105间的吸液性芯110,里面层104与表面层105在其从芯110周缘延伸出来部分重合并以热熔粘结剂(图中未示出)相互接合起来。尿布101大致呈矩形,它具有沿横向X延伸的前后端缘111、112、和在该两端缘111、112间并行延伸的两侧缘113。在纵向Y上,形成了前腰围区106、后腰围区107、和位于该两区106、107间的裆下区108。在前后端缘111、112内侧,腰围弹性构件116在塑料膜102A与无纺布102B间沿横向X延伸,并在伸长状态下接合于这两者102A与102B中的至少一方的内面上。从后腰围区107两侧缘113向侧方延伸出连结带117。在裆下区108设有在紧挨侧缘113内侧沿纵向Y延伸的第一腿周弹性构件121、和从侧缘113向尿布101内方弯曲延伸再回到侧缘113的第二腿周弹性构件122,通过这些第一、第二腿周弹性构件121、122的端部实际上地相互交叉、即相互接近或相互重合而形成大致成半月形的腿周侧缘部123。芯110位于第二腿周弹性构件122间。
在图5中,形成里面层104的层叠片102包着第二腿周弹性构件122地被沿该弹性构件122的侧缘122A向尿布101内方折叠,无纺布102B相互间通过第二腿周弹性构件122由粘结剂128接合起来。层叠片102的由于折叠而位于比第二腿周构件122更靠内侧的部分在沿该构件122的另一方侧缘122B的弯曲线126处被向尿布101外方折返,形成半月形腿周侧缘部123。从图可以看出,第一腿周弹性构件121,由层叠片102包裹着以伸长状态由粘结剂128安装于层叠片102被折叠的缘部内侧。第二腿周弹性构件122以伸长状态安装于在尿布101内方被折叠起来的层叠片102相互间。一穿上尿布101,由于第二腿周弹性构件的收缩,腿周侧缘部123即沿箭头P的方向立起,形成阻挡层。
图6中表示出了连续生产尿布101的里面层104时的工序,在各工序的横侧方一并示出了层叠片102的断面。在该工序中,连续的层叠片102沿纵向Q行走,以伸长状态将第一腿周弹性构件121供给于层叠片102的两侧缘113内侧,并以热熔粘结剂(图中未示出)接合于无纺布102B上。其后片102,则是以无纺布102B为内侧包着第一腿周弹性构件121地沿构件121的外侧缘121A被折叠,无纺布102B相互间以热熔性粘结剂接合起来。接着,在伸长状态下供给第二腿周弹性构件122,一边画弧一边以热熔粘结剂接合于无纺布102B。在与第二腿周弹性构件122接合几乎同时,或接合之后,层叠片102包着该弹性构件122地沿着弹性构件122的侧缘122A,以无纺布102B为内侧被折叠,以热熔粘结剂将无纺布102B相互间接合起来。由第一腿周弹性构件121与第二腿周弹性构件122所夹的半月形部分即是腿周侧缘部123。
由于这样得到的产品是连续的里面层104,可将其适当裁断作为单体里面层104使用。另外,单体里面层104,也可作为图1的尿布罩1的层叠片2使用。在层叠片102沿画弧延伸的第二腿周弹性构件122被折叠时,仅沿纵向Q或与其正交的横向稍微拉伸。因此,在层叠片102上使用的塑料膜102A与无纺布102B,最好沿纵向Q或横向可伸长,更好为弹性可伸缩的。
在本发明中,各构件之间的接合除了使用粘接剂之外,也可以通过使构件的至少一方熔化相接合。在图例中使用的层叠片2或102可代替为在无纺布与无纺布间介着塑料膜成三层构造的层叠片;也可以不是层叠片而仅是塑料膜或无纺布。
本发明的一次性穿着用品,可作为婴幼儿用尿布、大人用尿布、训练用裤衩、婴幼儿或大人用尿布罩等使用。另外,本发明用语“一次性”,除一次使用的意义之外,也包含可有限次数反复使用的意思。
在本发明的一次性穿着用品中,由于装上了沿腿周侧缘部几乎直线延伸的第一腿周弹性构件与画弧延伸的第二腿周弹性构件,由于在裆下区形成了具有立起倾向的阻挡层,就不会存在现有技术中形成阻挡层而使穿着用品前后端部穿着感变差、材料成本白白上升的缺点。

Claims (3)

1.一种一次性穿着用品,具有内面与外面,可覆盖穿着者的腹部、臀部及股部,并可在前述内面上保存前述穿用者排泄物,其特征在于,
形成前述穿着用品的前述外面的片,在沿着前述穿用者腿周方向延伸的两侧缘部具有第一腿周弹性构件和第二腿周弹性构件,该第一腿周弹性构件沿着该部的缘以向着前述腿周方向伸长状态延伸,该第二腿周弹性构件为从前述缘向前述裆部内方凸出地画弧延伸再返回到前述缘的伸长状态;形成前述两侧缘部的上述片沿前述第二腿周弹性构件并以前述第二腿周弹性构件为内侧向前述穿着用品内方被折叠,并且通过折叠而位于比前述第二腿周弹性构件更靠内方的部分被向前述穿着用品外方再折返。
2.按权利要求1所记述的一次性穿着用品,其特征在于,通过沿前述第一腿周弹性构件和第二腿周弹性构件折叠位于该第一腿周弹性构件和第二腿周弹性构件两侧的上述片而由前述片间包覆该第一腿周弹性构件和第二腿周弹性构件,前述片内面彼此间通过前述构件互相接合。
3.按权利要求1或2所记述的一次性穿着用品,其特征在于,在前述片的内面上,体液吸收性芯位于前述第二腿周弹性构件彼此之间。
CNB001342800A 1999-11-30 2000-11-30 一次性穿着用品 Expired - Fee Related CN1141073C (zh)

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JP33928599A JP3515932B2 (ja) 1999-11-30 1999-11-30 使い捨ての着用物品

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EP (1) EP1106154B1 (zh)
JP (1) JP3515932B2 (zh)
KR (1) KR100764577B1 (zh)
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CA (1) CA2326944C (zh)
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