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CN1160035C - 一次性尿布 - Google Patents

一次性尿布 Download PDF

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CN1160035C
CN1160035C CNB001022083A CN00102208A CN1160035C CN 1160035 C CN1160035 C CN 1160035C CN B001022083 A CNB001022083 A CN B001022083A CN 00102208 A CN00102208 A CN 00102208A CN 1160035 C CN1160035 C CN 1160035C
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大坪俊文
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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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/494Absorbent 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 specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means
    • A61F13/49406Absorbent 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 specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413Absorbent 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 specially adapted to be worn around the waist, e.g. diapers, nappies 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
    • 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F2013/49068Absorbent 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 specially adapted to be worn around the waist, e.g. diapers, nappies characterized by the shape of the outline
    • A61F2013/49082Absorbent 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 specially adapted to be worn around the waist, e.g. diapers, nappies characterized by the shape of the outline being a complex shape not covered by the other groups A61F2013/49068-A61F2013/4908

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Abstract

本发明提供的一次性尿布,在芯上不形成凹部或隆起部,可将排泄物收容、保持在尿布内部。该尿布在顶层(2)与背层(3)之间夹着芯(4),含有片(1),片(1)在长度方向具有前腰围区(20)、后腰围区(22)和位于前后腰围区(20、22)间的裆下区(21)。片(1)备有朝片(1)的非肌肤接触面侧凹陷的凹陷部(P),上述叠层片具有沿各接合缘部被相互分割的一对分割区,上述一对分割区在各接合缘部被分割了时具有在各接合缘部之间产生预形状的空间的形状,该上述叠层片(P)具有沿其纵中心线从后腰围区(22)朝裆下区(21)延伸的一对接合缘部,该凹陷部(P)通过使上述一对分割区彼此靠近、并使上述接合缘部在上述纵中心线上相互接合而形成的。

Description

一次性尿布
技术领域
本发明涉及一次性尿布。
背景技术
日本实开平5-86320号公报揭示的一次性尿布,由透液性顶层、不透液性背层和夹在该两层间的吸收体构成。在吸收体上的裆下位置设有止便部,该止便部由从吸收体的上方向下方凹陷的凹部和从吸收体上面隆起而构成凹部周边的隆起部构成。
日本实开平6-21624号公报揭示的一次性尿布,由透液性顶层、不透液性背层和夹在该两层间的吸收体构成。在吸收体上,在臀部位置设有收容大便用的凹部。
这些尿布,在吸收体上形成凹部或环状隆起部,用于收容大便等固体排泄物。
上述公知的尿布,形成在裆下位置的止便部或形成在臀部位置的大便收容用凹部,在尿布的使用中当从使用者的排泄位置错动时,固体排泄物就不能收容在凹部内,或者,当位于尿布上面的顶层不具有使排泄物充分透过的性能时,一旦收容在凹部内的软便或稀便等流动性排泄物会向顶层的表面逆流而扩散。另外,随着近年来技术的进步,吸液性芯也薄形化,在薄形的芯上形成收容所需量大便的凹部是比较困难的。
发明内容
本发明的目的是提供一种一次性尿布,该尿布在吸液性芯上不形成凹部或隆起部,可将排泄物收容、保持在尿布的内部。
为了实现上述目的,本发明的一次性尿布,含有叠层片(ペネル),该叠层片由透液性顶层、不透液性背层和夹在该两层间的吸收体构成,在与宽度方向交叉的长度方向上具有前腰围区、后腰围区和位于该前后腰围区之间的裆下区。
本发明的特征是,上述叠层片备有凹陷部,该凹陷部具有沿其纵中心线从上述后腰围区朝上述裆下区延伸的一对接合缘部,并朝上述片的非肌肤接触面侧凹陷,上述叠层片具有沿着上述各接合缘部被彼此分割而成的一对分割区,上述一对分割区在上述各接合缘部被分割了时,具有在上述各接合缘部间产生预定形状的空间的形状,所述凹陷部是通过使上述一对分割区彼此靠近,上述接合缘部在上述纵中心线上相互接合而形成的。
本发明一实施例中,上述空间的宽度尺寸,随着从后腰围区朝上述裆下区前进渐渐变小,上述凹陷部的深度,随着从上述后腰围区朝向上述裆下区前进渐渐扩大。
本发明另一实施例中,一对防漏翻边(カフ)具有以伸长状态安装着弹性部件的自由侧缘部和固定在上述顶层上面的基侧缘部,具有从顶层上面立起的性能,在上述芯的两侧缘部附近,朝上述长度方向延伸、彼此相对置着延伸的上述翻边的分离尺寸随着从裆下区朝着后腰围区前进渐渐变小。
本发明另一实施例中,其特征在于,上述防漏翻边的自由侧缘部分别在上述后腰围区相互相接触。
另外,上述防漏翻边的长度方向两端缘部分别以朝上述尿布内侧倒伏的状态固定在上述顶层上面。
附图说明
图1是一次性尿布的局部剖立体图。
图2是将凹缺口部的侧缘部相互接合前状态的尿布平面图。
图3是表示图1的A-A线断面的尿布的立体图。
图4是图1的B-B线剖视图。
具体实施方式
下面,参照附图详细说明本发明的一次性尿布。
图1是一次性尿布的局部剖立体图。图2是将凹缺口部23(空间)的侧缘部24(接合缘部)相互固定接合前状态的尿布平面图。尿布含有叠层片1,叠层片1由透液性顶层2、不透液性背层3和吸液性芯4构成,该吸液性芯4夹在顶层2与背层3之间,并与顶层2、背层3中的至少一方的内面接合。片1备有向其长度方向延伸的一对防漏翻边5。片1在与宽度方向交叉的长度方向具有前腰围区20、后腰围区22和位于该前后腰围区20、22之间的裆下区21,还具有彼此相对置地向长度方向延伸、在裆下区21中朝片1内方弯曲的两侧缘13、14、与两侧缘13、14交叉并彼此相对置地朝宽度方向延伸的两端缘11、12。
片1,从裆下区21的中央部21a附近到后腰围区22的端缘12附近,备有朝片1的非肌肤接触面方向凹陷的兜P(凹陷部),兜P是把从后腰围区22向裆下区21延伸的凹缺口部23的侧缘部24相互牢固接合而形成的。
凹缺口部23呈V字形,挟着将片1的宽度方向尺寸二等分地向长度方向延伸的纵中心线Y,从后腰围区22一直延伸到到裆下区21的中央部21a附近。彼此相对延伸的凹缺口部23的侧缘离开纵中心线Y的尺寸L1随着从后腰围区22朝着裆下区21,前进渐渐减小。凹缺口部23不限于是V字形,也可以是把裆下区21的中央部21a作为顶部的锐头、钝头的U字形。
在片1上形成着从芯4的两侧缘部4a分别朝宽度方向外方伸出侧翼6,该侧翼6具有在裆下区21中的宽度窄部分和前后腰围区20、22中的宽度宽的部分。在侧翼6上以伸长状态安装着多个腿周缘用弹性部件7。该腿周缘用弹性部件7沿着片1的两侧缘13、14向片1长度方向延伸。
在片1的内面上,在芯4的两侧缘部4a附近安装着向长度方向延伸的一对防漏翻边5。防漏翻边5,其基侧缘部5b固定在顶层2的上面,其长度方向两端缘部5c在片1的内方,且以倒伏状态固定在顶层2的上面侧。在防漏翻边5的自由侧缘部5a上以伸长状态安装着弹性部件10,当片1以其内面作为内侧朝长度方向弯曲时,弹性部件10进行收缩,翻边5朝片1的上方立起,同时在翻边5的自由侧缘部5a形成褶裥。彼此相对地延伸的翻边5的分开尺寸随着从裆下区21朝着后腰围区22前进渐渐减小。在后腰围区22中,翻边5的自由侧缘部5a相互相接触,在后腰围区22中翻边5包围着兜P。
在片1的前后腰围区20、22上,沿着片1的两端缘11、12朝片1的宽度方向延伸的膜片状腰围用弹性部件8、9夹在顶层2与背层3之间,以伸长状态固定在该面背层2、3中的至少一方上。图1中,这些弹性部件8、9的伸长状态被解除,沿着片1的裆下区21中的两侧缘13、14和两端缘11、12形成褶裥。
在后腰围区22上固定着从两侧缘13、14朝片1宽度方向内方延伸的一对带式固定件15的基端部。在该带式固定件15的自由端部涂敷着粘接剂。在前腰围区20中的片1的外面安装着作为带式固定件15的固定区的靶带,通过涂敷在其内面的粘接剂,将带式固定件15固定在目标带上形成腰围开口和左右一对腿围开口(图未示)。
图3是表示图1的A-A线断面的片1的立体图。图4是图1的B-B线剖视图。图3中,表示翻边5从片1内面立起的状态。片1,在凹缺口部23的侧缘部24处,顶层2的上面之间相互固定,从顶层2再向片1下方伸出的背层3的上面之间相互固定着。
片1中,顶层2的侧缘部在芯4的侧缘部4a附近终结,背层3的侧缘部从顶层2的侧缘部再向外方伸出。翻边5由从片1的宽度方向内方向外方延伸的无纺布片形成,在翻边5的自由侧缘部5a,无纺布片朝片1内面之侧弯折重叠,以便覆盖住弹性部件10,弹性部件10间歇地固定在翻边5上。翻边5的从基侧缘部5b向片1宽度方向外方延伸的部分固定在背层3的侧缘部。翻边5的自由侧缘部5a的在后腰围区22中相接触的部分可以彼此固定,也可以不固定,但是为了防止排泄物从后腰围区泄漏,最好是固定。
背层3的侧缘部和翻边5的部分形成侧翼86,夹在背层3侧缘部与翻边5部分之间的腿围用弹性部件7间断地固定在背层3和翻边5部分的至少一方上。
如图4所示,兜P的深度L2随着从后腰围区22朝着裆下区21前进渐渐变大,在裆下区21的中央部21a附近为最深部。
顶层2是采用无纺布或开孔塑料薄膜等透液性薄片,最好使用有透液性且疏水性的薄片。背层3是采用不透液性塑料薄膜或塑料薄膜与疏水性无纺布的叠合片,最好采用透气不透液性的薄片。防漏翻边5是采用透气性无纺布,最好采用透气不透液性无纺布薄片。无纺布可采用单位面积重量为5~150g/m2的纤维构成的纺粘型无纺布、射流喷网无纺布、热融吹制无纺布。芯4是短纤浆与高吸收性聚合物粒子的混合物,被压缩成所需厚度,其整体被绵纸等透水薄片覆盖着。这些部件的固定,可采用热熔粘接剂等接合剂、粘接剂、对各部件的热熔接技术。
根据本发明的一次性尿布,在芯上不形成凹部或隆起部,而是形成兜,该兜可把排泄物收容、保持在尿布内部。当排泄物是固体时,排泄物落下、收容在兜的最深部即裆下区的中央部附近,所以,排泄物不会逆流而从尿布漏出。即使排泄物是流动性物时,也流入最深部而从顶层被芯吸收,所以,不会逆流到顶层的上面进行扩散。
防漏翻边相互间离开的尺寸,随着从裆下区朝着后腰围区前进渐渐变小,在后腰围区翻边的自由侧缘部彼此相接触,包围着兜,所以,翻边成为壁障,可防止排泄物从后腰围泄漏。

Claims (5)

1.一次性尿布,含有叠层片,该叠层片由透液性顶层、不透液性背层和夹在该两层间的吸液性芯构成,在与宽度方向交叉的长度方向具有前腰围区、后腰围区和位于该前后腰围区之间的裆下区;其特征在于,上述叠层片具有凹陷部,该凹陷部朝上述片的非肌肤接触面侧凹陷,上述叠层片具有沿其纵中心线从上述后腰围区朝裆下区延伸的一对接合缘部,上述叠层片具有沿着上述各接合缘部被彼此分割而成的一对分割区,上述一对分割区在上述各接合缘部被分割时具有在上述各接合缘部间产生预定形状的空间的形状,上述凹陷部是通过使上述一对分割区彼此靠近、并使上述接合缘部在上述纵中心线上相互接合而形成的。
2.如权利要求1所述的尿布,其特征在于,上述空间的宽度尺寸,随着从上述后腰围区朝向上述裆下区前进渐渐变小,上述凹陷部的深度,随着从上述后腰围区朝向上述裆下区前进渐渐扩大。
3.如权利要求2所述的尿布,其特征在于,一对防漏翻边具有以伸长状态安装着弹性部件的自由侧缘部和固定在上述顶层上面的基侧缘部,具有从上述顶层上面立起的性能,该一对防漏翻边在上述芯的两侧缘部附近朝长度方向延伸、彼此相对置地延伸的上述翻边的分离尺寸随着从裆下区朝向后腰围区前进渐渐变小。
4.如权利要求3所述的尿布,其特征在于,上述防漏翻边的自由侧缘部分别在上述后腰围区相互相接触。
5.如权利要求3或4所述的尿布,其特征在于,上述防漏翻边的长度方向两端缘部分别以朝上述尿布内侧倒伏的状态固定在上述顶层上面上。
CNB001022083A 1999-02-04 2000-02-04 一次性尿布 Expired - Fee Related CN1160035C (zh)

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JP27784/1999 1999-02-04
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JP3717398B2 (ja) * 2000-12-08 2005-11-16 ユニ・チャーム株式会社 使い捨て着用物品
US6733484B2 (en) * 2001-05-14 2004-05-11 Kimberly-Clark Worldwide, Inc. Expandable absorbent garment
US20030216707A1 (en) * 2002-04-02 2003-11-20 Sca Hygiene Products Ab Absorbent product side flap arrangement
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JP4473032B2 (ja) * 2004-04-12 2010-06-02 ユニ・チャーム株式会社 使い捨て着用物品
US7563257B2 (en) * 2004-07-09 2009-07-21 Uni-Charm Corporation Disposable wearing article
JP2006174966A (ja) * 2004-12-21 2006-07-06 Uni Charm Corp 使い捨て着用物品
JP2006181024A (ja) 2004-12-27 2006-07-13 Uni Charm Corp 使い捨て着用物品
JP3919019B2 (ja) * 2005-10-14 2007-05-23 王子ネピア株式会社 使い捨ておむつ
RU2477630C1 (ru) * 2009-05-12 2013-03-20 Ска Хайджин Продактс Аб Поглощающее изделие одноразового использования, имеющее барьерный элемент, соединенный с боковой частью посредством соединительного элемента
JP5525255B2 (ja) * 2009-12-28 2014-06-18 花王株式会社 使い捨ておむつ
JP5536490B2 (ja) 2010-02-26 2014-07-02 大王製紙株式会社 吸収性物品
JP5238835B2 (ja) * 2011-01-31 2013-07-17 ユニ・チャーム株式会社 使い捨て着用物品
US10271997B2 (en) 2014-04-08 2019-04-30 The Procter & Gamble Company Absorbent articles having substrates having zonal treatments
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JP3474797B2 (ja) 1999-03-05 2003-12-08 ユニ・チャーム株式会社 着用物品

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AU770415B2 (en) 2004-02-19
CA2297664A1 (en) 2000-08-04
EP1025825A2 (en) 2000-08-09
KR20000057870A (ko) 2000-09-25
DE60026784T2 (de) 2006-08-24
TW421591B (en) 2001-02-11
JP3510133B2 (ja) 2004-03-22
DE60026784D1 (de) 2006-05-11
AU1486700A (en) 2000-08-10
KR100597053B1 (ko) 2006-07-06
BR0000591A (pt) 2000-09-12
MY123487A (en) 2006-05-31
US6406465B1 (en) 2002-06-18
CA2297664C (en) 2005-01-11
ID24782A (id) 2000-08-10
CN1262089A (zh) 2000-08-09
JP2000225143A (ja) 2000-08-15
EP1025825B1 (en) 2006-03-22
EP1025825A3 (en) 2002-09-25

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