WO2012000414A1 - 一种防止纵向和横向泄漏的纸尿裤 - Google Patents

一种防止纵向和横向泄漏的纸尿裤 Download PDF

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Publication number
WO2012000414A1
WO2012000414A1 PCT/CN2011/076369 CN2011076369W WO2012000414A1 WO 2012000414 A1 WO2012000414 A1 WO 2012000414A1 CN 2011076369 W CN2011076369 W CN 2011076369W WO 2012000414 A1 WO2012000414 A1 WO 2012000414A1
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WO
WIPO (PCT)
Prior art keywords
layer
diaper
hydrophilic surface
elastic waist
cotton core
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Application number
PCT/CN2011/076369
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English (en)
French (fr)
Inventor
覃叙钧
Original Assignee
Qin Xujun
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Publication date
Application filed by Qin Xujun filed Critical Qin Xujun
Publication of WO2012000414A1 publication Critical patent/WO2012000414A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent 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
    • A61F13/49413—Absorbent 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
    • A61F13/4942—Absorbent 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 the barrier not being integral with the top- or back-sheet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49466—Absorbent 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 waist region
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS 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
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent 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 outer layers
    • A61F13/515—Absorbent 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 outer layers characterised by the interconnection of the topsheet and the backsheet

Definitions

  • the present invention relates to a diaper, and more particularly to a diaper having good leakproof performance.
  • the conventional diaper has the following structure: a hydrophilic surface layer on the top, a waterproof bottom layer on the bottom (ie, the back of the diaper), and a wicking cotton core layer in the middle.
  • a three-dimensional protection is arranged on both sides of the diaper to prevent leakage from the side when the amount of excrement is large, and the three-dimensional protection is provided with an elastic band which can be longitudinally contracted.
  • a pair of Velcro are provided on both sides of the rear end of the pants body to adhere the front and rear ends of the pants body to the human body.
  • the base of the three-dimensional protective façade of the traditional diaper is first adhered to the hydrophilic surface layer, and then bonded to the waterproof bottom layer, and the urine sometimes leaks along the fibers of the hydrophilic surface layer; and, the traditional diaper
  • the three-dimensional protection is mainly to prevent side leakage, but sometimes the excretion leaks from the longitudinal ends (ie, the front and rear ends) of the diaper, causing pollution of the clothes; and, the elastic waist circumference of the traditional diaper is assembled in the diaper.
  • the lateral width of the elastic waist is not very wide, and the stretchability during stretching is limited, and it is not very close. Summary of the invention
  • the technical problem to be solved by the present invention is: To provide a diaper which can comprehensively solve the problem of side leakage and front and rear leakage in view of the deficiencies of the conventional diaper in preventing leakage.
  • the invention comprises a hydrophilic surface layer and a waterproof bottom layer, and between the hydrophilic surface layer and the waterproof bottom layer is a water absorbing cotton core layer, outside the longitudinal ends of the absorbent cotton core layer, the hydrophilic surface layer and The waterproof bottom layer is bonded together, and each side of the diaper is provided with a three-dimensional protection surrounding to prevent side leakage.
  • the three-dimensional protection surrounding is provided with an elastic band which can be longitudinally contracted, and the base of the three-dimensional protection surrounding surface is directly pasted on the waterproof bottom layer.
  • the longitudinal ends of the three-dimensional guard are bonded to the hydrophilic surface layer, and the bonding position is on the outer side of the longitudinal ends of the absorbent cotton core layer, preferably, the contraction length of the inner elastic band of the three-dimensional guard is larger than the longitudinal direction of the absorbent core layer. length.
  • a water absorbing layer may also be added to the longitudinal end of the absorbent cotton core layer, and the water absorbing layer is directly adhered to the three sides of the three-dimensional protective and hydrophilic surface layer.
  • the invention can also be equipped with an elastic waist at the longitudinal end of the diaper. If the elastic waist is attached to the front side, the elastic waist is covered on the three sides of the three-dimensional guard, and a longitudinal end thereof is partially covered with the longitudinal end of the absorbent core. Above.
  • the present invention can also be used to fit the elastic waist to the back of the waterproof underlayer.
  • Advantageous Effects of Invention The present invention having the above structure can prevent leakage of urine to both sides and prevent leakage of urine into the front and back, and is an ideal leak-proof diaper.
  • Figure 1 is a schematic view showing the three-dimensional guard of a conventional diaper attached to a hydrophilic surface layer
  • FIG. 2 is a schematic view showing the three-dimensional protective cover of the present invention attached to the waterproof bottom layer;
  • Figure 3 is a schematic view showing the three-dimensional protective bonding position of the present invention on the outer side of the longitudinal ends of the absorbent cotton core layer;
  • Figure 4 is a schematic view showing the longitudinal end of the absorbent cotton core layer of the present invention with a water-absorbing layer;
  • Figure 5 is a schematic view of the elastic waist of the present invention assembled on the front side
  • Figure 6 is a schematic view of the elastic waist of the present invention assembled on the back side.
  • FIG. 1 this is a schematic view of a conventional diaper, which is also a cross-sectional view taken along line AA of Fig. 3.
  • the structure is: the upper layer is a hydrophilic surface layer 1, the lower layer is a waterproof bottom layer 6 (ie, the back of the diaper), and the middle is a water absorbing cotton core layer 2.
  • a three-dimensional guard 3 for preventing side leakage is provided on each side of the diaper.
  • the base of the three-dimensional cover of the conventional diaper is bonded to the hydrophilic top layer 1 (see the bonding position 10 in the drawing). Urine sometimes leaks along the fibers of the hydrophilic surface layer 1 to both sides. Referring to FIG.
  • the base of the three-dimensional cover 3 is directly attached to the waterproof bottom layer 6, so that the urine is in contact with the water-repellent non-woven fabric and the waterproof bottom layer, and there is no opportunity to pass the fibers of the hydrophilic surface layer. Leakage to both sides, and the three-dimensional structure can be made into a double-layer structure, the effect is better.
  • the longitudinal ends of the three-dimensional guard 3 of the present invention are bonded to the hydrophilic surface layer 1, and the bonding position is on the outer side of the longitudinal ends of the absorbent core layer, i.e., the area indicated by the hatched portion B in Fig. 3.
  • the contraction length of the inner rubber band 5 ie, L2 in FIG.
  • the present invention can also be provided with a water absorbing layer 4 at both longitudinal ends of the absorbent cotton core layer 2, and the water absorbing layer 4 is directly adhered to the three sides of the three-dimensional guard 3 and the hydrophilic surface layer 1.
  • the present invention can also be equipped with an elastic waist 7 at the longitudinal end of the diaper, and the elastic waist 7 can be fitted on the front side of the diaper, that is, over the three-dimensional guard around the sides, and the longitudinal end of the elastic waist 7 is partially covered.
  • the upper end of the longitudinal end of the absorbent cotton core layer is covered, and the elastic waist circumference of the conventional diaper which is superposed on the longitudinal end of the absorbent cotton core layer 2 is not overlapped with the absorbent cotton core layer.
  • the elastic waist and the hydrophilic surface layer are bonded by thermal bonding or sizing, and the bonding area is U-shaped, which is the outer side of the longitudinal ends of the elastic waist (the distance between the longitudinal ends of the absorbent cotton core is 5_15) and the elastic waist
  • the lateral ends (the shaded portion A in the figure indicates the area where the elastic waist 7 is bonded to the hydrophilic surface layer 1).
  • Such a structure is advantageous in that the longitudinal ends of the absorbent cotton core layer are inwardly formed into an annular shape between the bonding regions, and the leakage preventing effect is better.
  • the present invention can also be fitted with the elastic waist 7 on the back side of the waterproof bottom layer 6. This design can be made free from the constraint of the tape installation, and the lateral width of the elastic waist 7 is made wide enough, so that the stretchability is good, when worn Very close and comfortable.

Description

说 明 书
一种防止纵向和横向泄漏的纸尿裤
技术领域
本发明涉及一种纸尿裤， 特别是一种防漏性能良好的纸尿裤。
背景技术
传统的纸尿裤， 其结构大致是： 上面为一亲水面层， 下面为一防水底层 （即纸尿裤 的背面）， 中间为吸水棉芯层。 经一体裁剪压合成型， 在纸尿裤两侧边各设有一立体护 围， 以防排泄物量大时从侧边漏出， 立体护围内装有可纵向收縮的的橡筋。 另外在裤体 的后端两侧设有一对魔术贴， 以便将裤体的前后端粘连起来穿戴在人体上。 传统纸尿裤 的立体护围立面的基部是先粘贴在亲水面层上， 然后再与防水底层粘合， 尿液有时会沿 亲水面层的纤维往两侧渗漏； 而且， 传统纸尿裤的立体护围主要是防止侧漏的， 但有时 排泄物会从纸尿裤的纵向两端 （即前后端）渗漏， 而造成衣物的污染； 并且， 传统纸尿 裤的弹性腰围都是装配在纸尿裤的的亲水面层和防水底层之间， 或者粘贴在亲水面层 上， 弹性腰围的横向宽度都不是很宽， 拉伸时的伸展性有限， 不能做到非常贴身。 发明内容
本发明需解决的技术问题是： 针对传统纸尿裤在防漏方面的不足， 而提供一种能综 合解决侧漏及前后漏问题的纸尿裤。
本发明所采用的技术方案： 本发明包括亲水面层、 防水底层， 在亲水面层与防水底 层之间是吸水棉芯层， 在吸水棉芯层纵向两端外侧， 亲水面层与防水底层粘合在一起， 在纸尿裤两侧各设有一防止侧漏的立体护围， 立体护围内装有可纵向收縮的的橡筋， 立 体护围立面的基部是直接粘贴在防水底层上。
上述结构中， 立体护围纵向两端与亲水面层粘合， 粘合位置处于吸水棉芯层纵向两 端的外侧， 最好是立体护围内橡筋的收縮长度大于吸水棉芯层的纵向长度。
还可在在吸水棉芯层的纵向端加装一片吸水层，该片吸水层直接粘贴于两侧边立体 护围及亲水面层上面。
本发明还可在纸尿裤的纵向端装配弹性腰围， 如果弹性腰围装在正面， 就将弹性腰 围覆盖在两侧立体护围之上， 其纵向端有一部分覆盖叠合在吸水棉芯层的纵向端的上 面。
为提高伸展性， 本发明也可将弹性腰围装配在防水底层的背面。 本发明的有益效果： 具有以上结构的本发明既可以防止尿液向两侧渗漏， 又可以防 止尿液向前后渗漏， 是一种理想的防漏尿裤。
附图说明
图 1为传统纸尿裤的立体护围粘贴在亲水面层上的示意图；
图 2为本发明的立体护围粘贴在防水底层上的示意图；
图 3为本发明立体护围粘合位置处于吸水棉芯层纵向两端外侧的示意图； 图 4为本发明吸水棉芯层的纵向端加装有吸水层的示意图；
图 5为本发明的弹性腰围装配在正面时的示意图；
图 6为本发明的弹性腰围装配在背面时的示意图。
具体实施方式
参见图 1， 此为传统纸尿裤的示意图， 也是图 3中沿 A-A向的的剖视图。其结构为： 上面一层为亲水面层 1， 下面为一防水底层 6 (即纸尿裤的背面）， 中间为吸水棉芯层 2。 在纸尿裤两侧各设有一防止侧漏的立体护围 3。 传统纸尿裤的立体护围 3立面的基部是 粘合在亲水面层 1上 （参见图中的粘合位置 10)。 尿液有时会沿亲水面层 1的纤维往两 侧渗漏。 参见图 2， 本发明将立体护围 3立面的基部直接粘贴在防水底层 6上， 这样尿 液接触到的都是拒水的无纺布以及防水底层， 没有机会通过亲水面层的纤维往两侧渗 漏， 并可将立体护围做成双层结构的， 效果更佳。 参见图 3， 本发明的立体护围 3的纵 向两端与亲水面层 1粘合， 粘合位置处于吸水棉芯层纵向两端的外侧， 即图 3中阴影部 分 B表示的区域。并将立体护围 3内橡筋 5的收縮长度（即图 3中的 L2 )设计成大于吸 水棉芯层的纵向长度， 让橡筋 5拉伸时可以直接提起防水底层 6， 这样的结构， 可使纸 尿裤穿着时纵向端两头形成一定高度， 有利于纵向端的防漏。 参见图 4， 本发明还可在 吸水棉芯层 2的纵向两端加装吸水层 4， 吸水层 4直接粘贴于两侧边立体护围 3及亲水 面层 1上面。 参见图 5， 本发明还可在纸尿裤的纵向端装配有弹性腰围 7， 弹性腰围 7 可装配在纸尿裤的正面， 即覆盖在两侧立体护围之上， 弹性腰围 7的纵向端有一部分覆 盖叠合在吸水棉芯层的纵向端的上面， 可覆盖叠合在吸水棉芯层 2 的纵向端上面 5— lOmmo传统纸尿裤的弹性腰围与吸水棉芯层没有覆盖叠合的关系。采用覆盖叠合的方式， 与下述 U型的粘合区域配合， 可以形成向内收縮提起的防水底层挡水护围， 从而产生防 止尿液前后漏的效果。 弹性腰围与亲水面层通过热粘合或施胶的方式粘合， 粘合区域呈 U型， 为弹性腰围纵向两端的外侧 （可距离吸水棉芯层纵向两端外侧 5_15隱）及弹性腰 围横向两端 （图中阴影部分 A表示的是弹性腰围 7与亲水面层 1粘合的区域）。 这样的 结构有利于让吸水棉芯层的纵向两头至粘合区域之间向内形成环抱状， 防漏效果更好。 参见图 6， 本发明还可将弹性腰围 7装配在防水底层 6的背面， 这样的设计可以不受胶 带安装的约束， 将弹性腰围 7的横向宽度做得足够宽， 所以伸展性良好， 穿着时很贴身 舒适。

Claims

权 利 要 求 书
1、 一种全面防漏的纸尿裤， 包括亲水面层、 防水底层， 在亲水面层与防水底层之间是 吸水棉芯层， 在吸水棉芯层纵向两端外侧， 亲水面层与防水底层粘合在一起， 在纸 尿裤两侧各设有一防止侧漏的立体护围， 立体护围内装有可纵向收縮的的橡筋， 其 特征在于： 立体护围立面的基部是直接粘贴在防水底层上。
2、 根据权利要求 1所述的一种全面防漏的纸尿裤， 其特征在于： 立体护围由两层拒水 无纺布复合而成。
3、 根据权利要求 1所述的一种全面防漏的纸尿裤， 其特征在于： 立体护围纵向两端与 亲水面层粘合， 粘合位置处于吸水棉芯层纵向两端的外侧。
4、 根据权利要求 3所述的一种全面防漏的纸尿裤， 其特征在于： 立体护围内橡筋的收 縮长度大于吸水棉芯层的纵向长度。
5、 根据权利要求 4所述的一种全面防漏的纸尿裤， 其特征在于： 在吸水棉芯层的纵向 端加装有一片吸水层， 该片吸水层直接粘贴于两侧边立体护围及亲水面层上面。
6、 根据权利要求 4所述的一种全面防漏的纸尿裤， 其特征在于： 在纸尿裤的纵向端装 配有弹性腰围， 弹性腰围覆盖在两侧立体护围之上， 弹性腰围的纵向端有一部分覆 盖叠合在吸水棉芯层的纵向端的上面。
7、 根据权利要求 4所述的一种全面防漏的纸尿裤， 其特征在于： 在纸尿裤的纵向端装 配有弹性腰围， 弹性腰围是直接粘贴在防水底层的背面。
8、 根据权利要求 5所述的一种全面防漏的纸尿裤， 其特征在于： 在纸尿裤的纵向端装 配有弹性腰围， 弹性腰围是直接粘贴在防水底层的背面。
PCT/CN2011/076369 2010-06-29 2011-06-27 一种防止纵向和横向泄漏的纸尿裤 WO2012000414A1 (zh)

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CN101862242A (zh) * 2010-06-29 2010-10-20 覃叙钧 一种全面防漏的纸尿裤
CN101862240A (zh) * 2010-06-29 2010-10-20 覃叙钧 一种弹性腰围装配在背面的纸尿裤
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