CN101773431B - Disposable absorption product with double leakproof isolation boundary - Google Patents
Disposable absorption product with double leakproof isolation boundary Download PDFInfo
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- CN101773431B CN101773431B CN 200910168789 CN200910168789A CN101773431B CN 101773431 B CN101773431 B CN 101773431B CN 200910168789 CN200910168789 CN 200910168789 CN 200910168789 A CN200910168789 A CN 200910168789A CN 101773431 B CN101773431 B CN 101773431B
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Abstract
The invention discloses a disposable absorption product with double leakproof isolation boundary, which mainly comprises a liquid-permeability surface layer, a liquid-tight bottom layer and an absorption surface, wherein the two sides of the width direction of the absorption product are provided with leakproof isolation boundaries which are extended along lengthways direction, the leakproof isolation boundary at each side comprises an inner-layer leakproof isolation boundary and an outer-layer leakproof isolation boundary, each leakproof isolation boundary comprises a base part and a free part which is connected with the base part and is positioned at the upper end of the base part, the base parts of the outer-layer leakproof isolation boundaries can be connected with the surface layers or the bottom layers, and the base parts of the inner-layer leakproof isolation boundaries are connected with the surface layers. The inner-layer leakproof isolation boundaries and the outer-layer leakproof isolation boundaries are formed into a whole, the outer-layer leakproof isolation boundaries have completely-overlapped material parts, and the inner-layer leakproof isolation boundaries have partially-overlapped material parts. The base parts of the inner-layer leakproof isolation boundaries are distant from the base parts of the outer-layer leakproof isolation boundaries. The elastic expansion range of elastic expansion parts at the free parts of the leakproof isolation boundaries are adjusted, so that front leakproof isolation boundaries and back leakproof isolation boundaries are formed into an opening of a bag facing to a lengthways middle opening, and front leakage and back leakage can be reduced. The product also uses an external elastic waistline and left and right elastic magnetic paste.
Description
Technical field
The present invention relates to a kind of disposable absorbent article with double leak-proof edge, more specifically, thereby the present invention relates to a kind ofly have the double leak-proof edge and can effectively erect the disposable absorbent article that plays better leakproof effect.
Background technology
The CN2162945Y utility model patent of authorizing Japanese Unijiaomei Co., Ltd discloses a kind of diaper of easy disposal, wherein the longitudinal direction both sides of this diaper are provided with corresponding the first flap and the second flap that is spaced laterally apart, and form the double leak-proof edge by the first flap and the second flap.But above-mentioned flap free end does not arrange elastic component or so that the member that flap effectively erects, so it is subject to health weight when using and subsides, and can not play the effect of effective double leak-proof.
The patent of invention of the CN1181004A that is submitted to by the Procter ﹠ Gamble Co discloses a kind of diaper with plural upstanding leg cuffs, and this diaper has the inside and outside barrier leg cuff of dual setting at least.But because this inside barrier leg cuff is folded to form by surface layer, outer barrier lower limb hoop is to be fixed on the surface layer prolongation that forms inner barrier leg cuff, because surface layer has hydrophilic to a certain degree, when diaper receives body fluid, body fluid can be by surface layer to the both sides seepage, thereby causes side leakage.
The patent of invention of the CN1282234A that is submitted to by Kimberly-Clark Worldwide Inc discloses a kind of absorbent article that strengthens Flexible Design that adopts, wherein be provided with tissue layer in the longitudinal direction both sides of absorbent article, tissue layer has crural triangle district, folding part, the outside, collects flap district and inner side edge section, be that tissue layer forms the double leak-proof edge, wherein the free end of forming V-shape leakproof edge is provided with elastic component.But because tissue layer has hydrophilic, tissue layer is arranged on the surface layer simultaneously, and therefore when diaper reception body fluid, body fluid can be by surface layer to the both sides seepage, thereby causes side leakage.
Because double leak-proof edge of the prior art all is to be folded to form by the hydrophilic surface layer, or be folded with on the hydrophilic surface layer and form by having hydrophobic tissue layer, therefore because the hydrophilicity of hydrophilic surface layer or hydrophilic fabrics layer, when disposable absorbent article receives body fluid, body fluid can be by surface material to the both sides seepage, although the amount of this seepage is fewer, above-mentionedly still do not wish to occur.In addition, because the free-ended Tension design of ectonexine double leak-proof edge is not best, when wearing disposable absorbent article, the squeezing action that is subject to the human body corresponding site can cause the double leak-proof edge to subside, above-mentioned meeting causes when disposable absorbent article receives body fluid, the body fluid that is discharged on the disposable absorbent article surface layer can be crossed internal layer leakproof edge to outer leakproof edge seepage, and this leakage is larger, and this also is that people are undesirable.Cause the main cause of above-mentioned larger seepage to have: fit problem, namely the size of disposable absorbent article such as leakproof edge height, crotch width design are unreasonable; The deformation resistance of leakproof edge is poor, and namely the free end elastic component of leakproof edge can not be so that the reason that the leakproof edge effectively erects etc.And the inside and outside leakproof edge of prior art or be that surface layer itself is folded to form, be arranged on the surface layer by the hydrophilic fabrics layer and form, when body fluid is crossed internal layer leakproof edge and is arrived in the zone between the ectonexine leakproof edge, body fluid can leak from front and back along the intersection of ectonexine leakproof edge, by outer leakproof edge to external leakage, thereby effective Leakage prevention.
Summary of the invention
The present invention relates to a kind of disposable absorbent article with double leak-proof edge, more specifically, thereby the present invention relates to a kind ofly have the double leak-proof edge and can effectively erect the disposable absorbent article that plays better leakproof effect.
Disposable absorbent article provided by the invention, it mainly comprises liquid permeability surface layer 2, liquid-tight bottom 4 and place above-mentioned between the two absorption and the absorbent cores 3 of receiving body fluids, be provided with the left and right sides leakproof edge 5 that extends along the longitudinal direction in the both sides of absorbent article width, wherein left and right sides leakproof edge 5 comprises internal layer leakproof edge 51 and outer leakproof edge 52, each leakproof edge comprises base portion and is connected to base portion and is positioned at the free section of base portion upper end, be provided with elastic telescopic spare 59 in the described free section, wherein, outer leakproof edge is integrally formed, in, outer leakproof edge is formed by the folding of material that a slice is independent of surface layer.
In embodiment of absorbent article provided by the invention, the base portion of outer leakproof edge 52 engages with surface layer 2 or bottom 4, the base portion of internal layer leakproof edge engages with surface layer, described leakproof edge material at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, the border of its longitudinal direction exceeds the longitudinal boundary of surface layer 2 or absorbent cores 3, simultaneously concordant with the longitudinal boundary of bottom 4, this material extends upward the complete overlapping part of material that has that forms that then bends inwards and forms outer leakproof edge 52, then the parallel surface layer 2 of material, bottom 4, absorbent cores 3 extensions extend upward afterwards and the partly overlapping part of material that has that forms that bends inwards forms inboard leakproof edge 51.
In another embodiment of absorbent article provided by the invention, described leakproof edge material 5 at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, the border of its longitudinal direction exceeds the longitudinal boundary of surface layer 2 or absorbent cores 3, simultaneously concordant with the longitudinal boundary of bottom 4, the fully overlapping part of material that has that this material extends upward then outward formation forms internal layer leakproof edge 51, then the parallel surface layer 2 of material, bottom 4, absorbent cores 3 are extended, and the partly overlapping part of material that has that extends upward afterwards also outward formation forms outside leakproof edge 52.
There is the forward and backward leakproof edge 6 that extends along horizontal direction at vertical two ends that absorbent article provided by the invention further is included in absorbent article, and are positioned on vertical two ends of left and right sides leakproof edge 5 at the thickness direction of absorbent article.The elastic telescopic spare 59 that arranges on the free section of the left and right sides leakproof edge 5 of described absorbent article has elastic extension in vertical centre of absorbent article.The draw ratio of the elastic component of the elastic telescopic spare on the described leakproof edge free section is 1.2-3.0.The elastic telescopic scope of the elastic telescopic spare on the free section of the internal layer leakproof edge 51 of described left and right sides leakproof edge extends in the pocket 8 that the forward and backward leakproof edge at vertical two ends forms.
According to disposable adsorption object provided by the invention, thereby have the double leak-proof edge and play better leakproof effect, the flexible scope of the elastic telescopic spare of internal layer leakproof edge free section extends in the forward and backward leakproof edge at vertical two ends, like this can be by the free elastic shrinkage of leakproof edge free section, left and right sides elastic telescopic spare, so that the pocket that forward and backward leakproof edge forms opens, prevent the generation of forward and backward leakage.
Description of drawings
Fig. 1 is absorbent commodity expanded view provided by the invention;
Fig. 2 is the A-A direction cutaway view of the Fig. 1 in the first embodiment of the invention;
Fig. 3 is the B-B direction cutaway view of the Fig. 1 in the first embodiment of the invention;
Fig. 4 is the C-C direction cutaway view of the Fig. 1 in the first embodiment of the invention;
Fig. 5 is the D-D direction cutaway view of the Fig. 1 in the first embodiment of the invention;
Fig. 6 is the A-A direction cutaway view of the Fig. 1 in the second embodiment of the invention;
Fig. 7 is the A-A direction cutaway view of the Fig. 1 in the third embodiment of the invention;
Fig. 8 is the A-A direction cutaway view of the Fig. 1 in the four embodiment of the invention;
Fig. 9 is the A-A direction cutaway view of the Fig. 1 in the fifth embodiment of the invention;
Figure 10 is the expansion sketch map of an again embodiment of the present invention;
Figure 11 is the E-E direction cutaway view of Figure 10.
In the drawings, 2 is the liquid permeability surface layer, and 3 is absorbent cores, and 4 is the liquid-tight bottom, 5 is left and right sides leakproof edge, and 51 is internal layer leakproof edge, and 52 is outer leakproof edge, 59 are the elastic telescopic spare of leakproof edge free section, and 6 is front and back leakproof edge, and 68 is the pocket that forward and backward leakproof edge forms.7 is to paste about elasticity, and 71 is the elastic flexible material in pasting about elasticity, and 72 is the magic hook, and 79 is frontal waist plaster, and 9 is the external elastic waistline.
The specific embodiment
Embodiment 1
Disposable absorbent article provided by the invention mainly comprise liquid permeability surface layer 2, liquid-tight bottom 4 and place above-mentioned between the two absorption and the absorbent cores 3 of receiving body fluids, be provided with the left and right sides leakproof edge 5 that extends along the longitudinal direction in the both sides of absorbent article width, wherein leakproof edge 5 comprises internal layer leakproof edge 51 and outer leakproof edge 52, and each leakproof edge comprises base portion and is connected to base portion and is positioned at the free section of base portion upper end.Wherein this disposable absorbent article also can comprise other the layer in this area, such as the cambium layer of on the absorbent cores 3 and acquisition layer under the surface layer 2, surge layer, Distribution Layer, diffusion layer, absorbent cores bottom, diffusion layer etc., and also can comprise the tissue layer of wrapping up absorbent cores, be arranged in absorbent cores, on, under super absorbing particle (layer).And the material that the present invention uses all is material well known in the art.
Internal layer leakproof edge 51, the outer leakproof edge 52 of disposable absorbent article are integrally formed, and the folding of material that is independent of surface layer 2 by a slice forms.As shown in Figure 2, this leakproof edge material at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, border on it is vertical can exceed the longitudinal boundary of surface layer 2 or absorbent cores 3, simultaneously concordant with the longitudinal boundary of bottom 4, extended upward to bend inwards to form by this material and have fully overlapping part and form outer leakproof edge 52 of material, then this material is parallel to surface layer 2, bottom 4, absorbent cores 3 extensions, extending upward afterwards the formation that bends inwards and having the partly overlapping part of material and form internal layer leakproof edge 51.The height of the underlapped part of material of internal layer leakproof edge can account for 1/3～5/6 of internal layer leakproof edge total height.Herein for internal layer leakproof edge 51, ratio for the height of the underlapped part of material of internal layer leakproof edge 51 and the height of internal layer leakproof edge does not have special restriction, can engage with elastic telescopic spare the longitudinally free section of elastic telescopic of formation as long as guarantee the folded part of material full weight.Like this, so that internal layer leakproof edge 51 is monolayer, materials are less, can save cost." inwardly " herein refers to the direction towards absorbent article longitudinal center, and " outwards " then refers to deviate from the direction of absorbent article longitudinal center.Simultaneously near the free section of ectonexine leakproof edge, be provided with elastic telescopic spare, the elasticity of above-mentioned elastic telescopic spare so that ectonexine leakproof edge free section can effectively erect.The elastic telescopic spare that arranges on the free section of left and right sides leakproof edge has elastic extension in vertical centre of absorbent article.The draw ratio of the elastic component of the elastic telescopic spare on the described leakproof edge free section is 1.2-3.0.
The ectonexine leakproof edge of the disposable absorbent article that provides of the present invention all has base portion and the free section that erects that is positioned on the base portion.In the present embodiment, the base portion of ectonexine leakproof edge all is arranged on the surface material.The setting of above-mentioned base portion can be finished by the engagement means commonly used in this area, such as gummed, ultra-sonic welded etc.Different from the set-up mode of the ectonexine leakproof edge of prior art, in the present invention, there is certain distance between inside and outside layer leakproof edge and the base portion that surface layer or primer engage, above-mentioned distance can be the scope of any appropriate, for example, between 2.0 centimetres to 0.1 centimetre, preferably between 1.0 centimetres to 0.2 centimetre, more preferably between 0.8 centimetre to 0.3 centimetre.In the prior art, the base portion of above-mentioned ectonexine leakproof edge almost in identical engagement position to the surface material of surface layer, compared with prior art, there is certain distance between ectonexine leakproof edge of the present invention and the base portion that surface material engages, therefore for the fluid that arrives base portion, play two barrier barrier effects, help to prevent leakage of body fluid.
Such as Fig. 1, Fig. 3, Fig. 4 and shown in Figure 5, before disposable absorbent article further comprises, rear leakproof edge 6, before, rear leakproof edge 6 is arranged on vertical two ends of disposable absorbent article, and be located on vertical two ends of the left and right sides leakproof edge 5 that absorbent article width both sides extend longitudinally, before, rear leakproof edge 6 forms the pocket 8 towards shelves section region direction opening, before making, rear leakproof edge 8 arches upward, namely, the pocket 8 not serious overlay coatings 2 that rear leakproof edge 6 forms, can reduce the probability that leaks before male's absorbent article, wherein the elastic telescopic of the elastic telescopic spare 59 of the free section by adjusting above-mentioned left and right sides leakproof edge 5 is realized.Adjust the glue spraying length of left and right leakproof edge free section and elastic telescopic spare joint portion, so that leakproof edge free section also has elastic extension in the pocket 8 that the front and back at the two ends of absorbent article leakproof edge 6 forms.Can utilize the elastic free of left and right leakproof edge free section to shrink, the pocket 8 that leakproof edge 6 forms before and after supporting opens, so that forward and backward leakproof edge 6 can be close to surface layer, can reduce the probability of the forward and backward leakage of absorbent article.In an optimal way, elastic telescopic spare by the internal layer leakproof edge free section in the left and right sides leakproof edge also has the pocket 8 that elastic extension realizes that forward and backward leakproof edge 6 forms and opens in the pocket that forward and backward leakproof edge forms, reach to prevent or reduce forward and backward leakage.The draw ratio of the elastic component 59 of the elastic telescopic spare of the free section of leakproof edge is generally 1.2-3.0, is generally 1.2-3.0 and lower limb encloses the draw ratio of the elastic component of putting.
The left and right sides waist of disposable absorbent article provided by the invention pastes can adopt about the elasticity magic and pastes 7.Paste about elasticity and have one and can along part 71 and the magic hook 72 of the square elastic telescopic of disposable absorbent article width, paste to adopt about elasticity well known in the art about the elasticity magic and paste.Paste about the elasticity magic except than posting the elasticity about general magic, it also has a very important effect to be, can allow disposable absorbent article the wearer activity freely, do not hinder skin.
As shown in Figure 6, the left and right sides leakproof edge material of disposable absorbent article at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, border on it is vertical can exceed the longitudinal boundary of surface layer 2 or absorbent cores 3, simultaneously concordant with the longitudinal boundary of bottom 4, extended upward to bend inwards to form by this material and have fully overlapping part and form outer leakproof edge 52 of material, then this material is parallel to surface layer 2, bottom 4, absorbent cores 3 extensions, extending upward afterwards the formation that bends inwards and having the partly overlapping part of material and form internal layer leakproof edge 51.The base portion of internal layer leakproof edge 51 engages with surface layer, and the base portion of outer leakproof edge 52 engages with bottom 4.Because surface material has hydrophilic to a certain degree, if in, outer leakproof edge all joins on the surface material, the fluid that arrives base portion can be along the surface material diffusional flow at base portion place, may cause the leakage of fore-and-aft direction, and be arranged on the surface material for the base portion of internal layer leakproof edge, and the base portion of outer leakproof edge 52 is arranged on this mode on the primer, this is particularly favourable, because the base portion setting primer thereon of outer leakproof edge 52 is liquid-tight, therefore the fluid that arrives outer base portion place can not spread along the base portion of outer leakproof edge and round floor layer material, thereby can not cause the leakage of fluid.
Has forward and backward leakproof edge 6 at the vertical two ends of disposable absorbent article, and be located on vertical two ends of the left and right sides leakproof edge 5 that absorbent article width both sides extend longitudinally, forward and backward leakproof edge 6 forms the pocket 8 towards shelves section region direction opening.In the present embodiment, the elastic telescopic spare on the outer leakproof edge free section of left and right sides leakproof edge be arranged to can be between forward and backward leakproof edge free-extension; The elastic telescopic scope of the elastic telescopic spare on the internal layer leakproof edge free section is larger than the elastic telescopic scope of the elastic telescopic spare on the outer leakproof edge, and the flexible scope of the elastic telescopic spare of internal layer leakproof edge free section is extending longitudinally in the pocket that forward and backward leakproof edge forms.Can utilize the elastic free of the internal layer leakproof edge free section of left and right sides leakproof edge to shrink, the pocket 8 that leakproof edge 6 forms before and after supporting can be close to surface layer 2, can reduce the probability of the forward and backward leakage of absorbent article.
Be illustrated in figure 7 as the another embodiment of the left and right sides leakproof edge of disposable absorbent article of the present invention, the leakproof edge material of disposable absorbent article at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, border on it is vertical can exceed the longitudinal boundary of surface layer 2 or absorbent cores 3, simultaneously concordant with the longitudinal boundary of bottom 4, extended upward to bend inwards to form by this material and have fully overlapping part and form outer leakproof edge 52 of material, then this material is parallel to surface layer 2, bottom 4, absorbent cores 3 is extended, and extending upward afterwards the formation that bends inwards and being bonded on formation internal layer leakproof edge 51 on the surface material.
Be illustrated in figure 8 as an again embodiment of the left and right sides leakproof edge of disposable absorbent article of the present invention, left and right sides leakproof edge material at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, the border of its longitudinal direction exceeds the longitudinal boundary of surface layer 2 or absorbent cores 3, simultaneously concordant with the longitudinal boundary of bottom 4, the fully overlapping part of material that has that this material extends upward then outward formation forms internal layer leakproof edge 51, then the parallel surface layer 2 of material, bottom 4, absorbent cores 3 is extended, and the partly overlapping part of material that has that extends upward afterwards also outward formation forms outside leakproof edge 52.
As shown in Figure 9, leakproof edge material at first is parallel to surface layer 2, bottom 4, absorbent cores 3 tilings, the border of its longitudinal direction exceeds the longitudinal boundary of surface layer or absorbent cores, simultaneously concordant with the longitudinal boundary of bottom, the fully overlapping part of material that has that this material extends upward then outward formation forms internal layer leakproof edge, then the parallel surface layer of material, bottom, absorbent cores are extended, the overlapping part of material that has that extends upward afterwards also outward formation forms outside leakproof edge, is bonded at last leakproof edge base portion.
Such as Figure 10, shown in Figure 11, the front waist region of disposable absorbent article has front leakproof edge 6, and front leakproof edge is positioned at Attacking Midfielder's region of absorbent article and is positioned at left and right sides leakproof edge on Attacking Midfielder's region.
Be provided with about the elasticity magic in the both sides of low back region and paste 7, and the external elastic waistline 9 that arranges at the low back region.External elastic waistline 9 refers to the outside that is arranged on the disposable absorbent article waist, has along waistline transverse elasticity retractility.In the present embodiment, external elastic waistline 9 is positioned on the surface layer and leakproof edge material of low back region, in close wearer skin one side.General traditional built-in elastic waistline is owing to be subject to the restriction that lower limb encloses the elastic component glue spraying, the built-in elastic waistline is actual work only be in the middle of the width, enclose the narrower part of width between the elastomeric element than both sides lower limb, therefore, if obtain the strong disposable absorbent article of waistline retractility, just must improve the retractility (namely improving the stretch modulus of elastomeric material) of elastic component.But because the front that the built-in elastic waistline cuts off, attaching process is arranged in arc cutter, the raising of elastic waistline retractility will cause arc to cut easy distortion.And the design of external elastic waistline can remedy the defective of this respect.Simultaneously, because the external elastic waistline is set, the glue spraying position of the glue spraying position of the base portion that it engages with the surface material of surface layer or bottom with outer leakproof edge and the base portion that engages with the surface material of surface layer with internal layer leakproof edge and the elastic component one that setting is divided in the free section work, can so that the freedom part of ectonexine leakproof edge effectively erects, fully play the Leakage prevention effect.
Thereby a kind ofly have the double leak-proof edge and can effectively erect the disposable absorbent article that plays better leakproof effect according to the invention provides.Because the set-up mode of above-mentioned double leak-proof edge, so that have twice leakproof barrier at the base portion place that base portion place that leakproof edge in the outside engages with surface layer or round floor layer material and internal layer leakproof edge engage with surface material.Have forward and backward leakproof edge at the vertical two ends of disposable absorbent article, and be located on vertical two ends of the left and right sides leakproof edge that absorbent article width both sides extend longitudinally, forward and backward leakproof edge forms the pocket towards shelves section region direction opening.Can prevent forward and backward leakage.Use simultaneously about the elasticity magic among the present invention and paste, except than posting the elasticity about general magic, it also has a very important effect to be, can allow disposable absorbent article the wearer activity freely, do not hinder skin.
Although reference several embodiment wherein show the present invention and describe, can carry out various changes, deletion and increase to its form and details without departing from the spirit and scope of the present invention.But should be noted that some possible modification still fall in the protection domain of claim.Therefore this utility model intention is encompassed in any variations or the equivalent in the inherent known or habitual practice of its affiliated technical field.
Claims (13)
1. disposable absorbent article, it mainly comprises the liquid permeability surface layer, the liquid-tight bottom and place above-mentioned between the two absorption and the absorbent cores of receiving body fluids, be provided with the left and right sides leakproof edge that extends along the longitudinal direction in the both sides of absorbent article width, wherein leakproof edge in the left and right sides all comprises internal layer leakproof edge and outer leakproof edge, each leakproof edge comprises base portion and is connected to base portion and is positioned at the free section of base portion upper end, be provided with elastic telescopic spare in the described free section, in, outer leakproof edge is integrally formed, in, outer leakproof edge is formed by the folding of material that a slice is independent of surface layer, it is characterized in that being provided with before the horizontal direction extension at vertical two ends of absorbent article, rear leakproof edge, and be positioned on vertical two ends of left and right sides leakproof edge at the thickness direction of absorbent article.
2. disposable absorbent article as claimed in claim 1, the base portion that it is characterized in that described outer leakproof edge engages with surface layer or bottom, the base portion of internal layer leakproof edge engages with surface layer, in, the described material of outer leakproof edge at first is parallel to surface layer, bottom, the absorbent cores tiling, the border of its longitudinal direction exceeds the longitudinal boundary of surface layer or absorbent cores, simultaneously concordant with the longitudinal boundary of bottom, this material extends upward the complete overlapping part of material that has that forms that then bends inwards and forms outer leakproof edge, then the parallel surface layer of material, bottom, the absorbent cores extension extends upward afterwards and the partly overlapping part of material that has that forms that bends inwards forms internal layer leakproof edge.
3. disposable absorbent article according to claim 1 is characterized in that described inside and outside layer leakproof edge is 1-20mm with distance between the base portion that surface material engages.
4. disposable absorbent article according to claim 2 is characterized in that the base portion of inside and outside layer leakproof edge all is arranged on the surface material.
5. disposable absorbent article according to claim 2 it is characterized in that the base portion of described internal layer leakproof edge is arranged on the surface material, and the base portion of outer leakproof edge is arranged on the primer.
6. disposable absorbent article as claimed in claim 1, the described material that it is characterized in that inside and outside layer leakproof edge at first is parallel to surface layer, bottom, absorbent cores tiling, the border of its longitudinal direction exceeds the longitudinal boundary of surface layer or absorbent cores, simultaneously concordant with the longitudinal boundary of bottom, the fully overlapping part of material that has that this material extends upward then outward formation forms internal layer leakproof edge, then the parallel surface layer of material, bottom, absorbent cores are extended, and the partly overlapping part of material that has that extends upward afterwards also outward formation forms outer leakproof edge.
7. disposable absorbent article as claimed in claim 1, it is characterized in that described forward and backward leakproof edge forms an opening towards the pocket of longitudinal center at vertical two ends of absorbent article, the transverse width of pocket between the outer leakproof edge of horizontal width and left and right sides leakproof edge is basic identical.
8. disposable absorbent article as claimed in claim 1 is characterized in that the elastic telescopic spare that arranges on the free section of inside and outside layer leakproof edge of described absorbent article has elastic extension in vertical centre of absorbent article.
9. disposable absorbent article as claimed in claim 8 is characterized in that the draw ratio of the elastic telescopic spare on the free section of described inside and outside layer leakproof edge is 1.2-3.0.
10. disposable absorbent article as claimed in claim 8 is characterized in that the elastic telescopic spare that arranges on the free section of described inside and outside layer leakproof edge has elastic extension in vertical centre of absorbent article.
11. disposable absorbent article as claimed in claim 8, the elastic telescopic scope that it is characterized in that the elastic telescopic spare on the free section of described internal layer leakproof edge extend in the pocket that the forward and backward leakproof edge at vertical two ends forms.
12. according to the described disposable absorbent article of above-mentioned arbitrary claim, it is characterized in that described absorbent article also has the external elastic waistline.
13. the described disposable absorbent article of arbitrary claim according to claim 1-11 is characterized in that described absorbent article also has about the elasticity magic to paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910168789 CN101773431B (en) | 2009-08-31 | 2009-08-31 | Disposable absorption product with double leakproof isolation boundary |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910168789 CN101773431B (en) | 2009-08-31 | 2009-08-31 | Disposable absorption product with double leakproof isolation boundary |
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| CN101773431A CN101773431A (en) | 2010-07-14 |
| CN101773431B true CN101773431B (en) | 2013-04-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496652A (en) * | 2015-12-29 | 2016-04-20 | 广东茵茵股份有限公司 | Disposable leakage-proof absorptive article |
| CN105662728A (en) * | 2016-03-25 | 2016-06-15 | 湖南康程护理用品有限公司 | Absorption product with all-around leakproof structure and manufacturing method thereof |
| JP2019068949A (en) * | 2017-10-06 | 2019-05-09 | 王子ホールディングス株式会社 | Absorbent article |
| CN109771143A (en) * | 2019-01-10 | 2019-05-21 | 贵州卡布婴童用品有限责任公司 | The paper diaper and its manufacturing method of drawable core |
| CN112826661B (en) * | 2020-12-31 | 2022-02-15 | 福建恒安集团有限公司 | Folding margin and panty-shape diapers that separate of panty-shape diapers |
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| US5167653A (en) * | 1990-12-18 | 1992-12-01 | Uni-Charm Corporation | Disposable garments |
| CN2334381Y (en) * | 1998-06-08 | 1999-08-25 | 康那香企业股份有限公司 | Butterfly shaped feminine napkin with double-layer stop structure |
| CN2369663Y (en) * | 1999-04-14 | 2000-03-22 | 康那香企业股份有限公司 | Double walled paper diaper underpants layer |
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