CN209933195U - Liquid-tight layer of absorption article and membraneless high-permeability absorption article - Google Patents
Liquid-tight layer of absorption article and membraneless high-permeability absorption article Download PDFInfo
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- CN209933195U CN209933195U CN201920045744.3U CN201920045744U CN209933195U CN 209933195 U CN209933195 U CN 209933195U CN 201920045744 U CN201920045744 U CN 201920045744U CN 209933195 U CN209933195 U CN 209933195U
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Abstract
The utility model relates to an absorb impervious layer of articles for use, absorb the articles for use include liquid-permeable top layer, prevent edge leakage impervious liquid layer, liquid-tight nature bottom and set up the absorption sandwich layer between liquid-permeable top layer and liquid-tight nature bottom, prevent edge leakage impervious liquid layer by a left side and prevent edge leakage impervious liquid layer, prevent edge leakage impervious liquid layer from constituting on the right side, left side is prevented edge leakage impervious liquid layer, right side and is prevented edge leakage impervious liquid layer and locate past at the vertical side in left side, the vertical side in right side that absorb the sandwich layer respectively absorb the bottom of sandwich layer after inwards buckling, continue to extend to the horizontal direction that absorbs the core, prevent edge leakage impervious liquid layer, right side until a left side and prevent edge leakage impervious liquid layer and overlap and form and have two-layer or the liquid-tight layer more than two-layer the liquid-tight nature bottom is connected under the liquid-tight layer. The utility model discloses can be with the design of liquid-tight bottom for no membrane structure, when promoting ventilative volume greatly, also can effectively avoid the phenomenon that oozes at the bottom of the product.
Description
Technical Field
The utility model relates to an absorb articles for use technical field, especially relate to a prevent edge leakage limit infolding multilayer liquid-tight layer and no membrane superelevation ventilative absorption articles for use thereof.
Background
Infants and other incontinent individuals often need to wear absorbent articles such as diapers, sanitary napkins, pull-ups, and the like. The absorbent article functions to store and isolate the exudates from the body, clothing, bedding, etc. of the wearer. At present, the water absorbing article mainly comprises a liquid permeable top layer, a liquid impermeable side leakage preventing edge separating layer, a liquid impermeable bottom layer, an absorbing layer and a closed system or a fixed component. The sealing component of the paper diaper is a waist patch type closed system, the sealing component of the pull-up diaper is a pants type closed system consisting of elastic side waistlines, and the fixing component of the sanitary towel and the paper diaper is a sticking system consisting of back glue and release paper thereof and used for fixing the sanitary towel on the underpants. The breathability of absorbent articles is improved, the feeling of stuffiness can be greatly reduced, and the comfort of users is directly affected, so that many companies are dedicated to designing more breathable absorbent articles.
CN201710554911.2 discloses a non-membrane highly breathable skin-friendly paper diaper, the liquid-tight bottom layer of which is designed to be a composite layer of three-high finished non-woven fabric and super-soft spun-bonded non-woven fabric or hot air non-woven fabric. CN201510505147.0 discloses a waterproof and breathable paper diaper basement membrane, which is formed by directly carrying out electrostatic spinning on superfine fiber non-woven fabric to form a nanofiber accumulation body by utilizing water-conveying high-molecular resin through mass production high-voltage electrostatic spinning equipment, and the produced paper diaper basement membrane compounded by nanofiber and superfine fiber non-woven fabric synthesizes a nanofiber and superfine fiber non-woven fabric breathable bottom layer with high air permeability. The above membrane-free high-permeability design is that the liquid-tight bottom layer is designed to be a membrane-free design, so that the problem of easy bottom permeability exists in the paper diaper, and the production line needs to be added with the compounding of multiple layers of materials, so that the structure is complex, and the processing and manufacturing are difficult.
This patent is poor to traditional disposable absorption articles for use gas permeability, and the easy problem of permeating at the end of the easy ventilative absorption articles for use of no membrane of current disclosure has proposed one kind and has prevented that edge leakage inwards folds and form the liquid-tight layer of multilayer and no membrane super high ventilative absorption articles for use, including main part subassembly and be used for keeping the main part subassembly the closed subassembly or the fixed subassembly on the body of the wearer. The closing assembly is a trousers type closing system consisting of a waist patch type closing system and an elastic side waistline or a fixing assembly consisting of a back adhesive and a release paper thereof. The main body component comprises a liquid-permeable top layer, a side-leakage-preventing liquid-impermeable layer, a liquid-impermeable bottom layer and an absorption layer arranged between the liquid-permeable top layer and the liquid-impermeable bottom layer, and is characterized in that the liquid-impermeable side-leakage-preventing layer is folded towards the lower part of the absorption layer to form two or more liquid-impermeable layers of side-leakage-preventing sheets; meanwhile, the elastic waist non-woven cloth of the liquid-tight bottom layer or the pull-up diaper can be further designed into a non-woven cloth layer containing melt-blown superfine staple fibers. The problem of bottom leakage of the film-free high-permeability absorption product is effectively solved, and meanwhile, the stuffy and wet feeling of the absorption product is effectively reduced due to the fact that the breathable film is not arranged.
Disclosure of Invention
An object of the utility model is to provide an absorb articles for use to it is poor to solve traditional disposable absorption articles for use gas permeability, and the problem that oozes at the bottom and the complicated manufacturing shortcoming of the degree of difficulty of structure exist in the high ventilative absorption articles for use of non-membrane that other patents are disclosed, for reaching this purpose, the utility model discloses a following technical scheme:
the liquid-tight layer of absorption articles for use, the absorption articles for use include liquid-permeable top layer, prevent edge leakage liquid-tight layer, liquid-tight nature bottom and set up and absorb the sandwich layer between liquid-permeable top layer and liquid-tight nature bottom, prevent that edge leakage liquid-tight layer comprises left side edge leakage liquid-tight layer, right side edge leakage liquid-tight layer, its characterized in that: the left side is prevented that the lateral leakage is impervious layer, the right side and is prevented that the lateral leakage is impervious layer and locate toward respectively at the left longitudinal side of absorbing the sandwich layer, right longitudinal side the bottom of absorbing the sandwich layer is inwards buckled the back, continues to extend to the horizontal direction of absorbing the core, until the left side is prevented that the lateral leakage is impervious layer, the right side is prevented that the lateral leakage is impervious layer and is overlapped and form and have two-layer or more than two-layer liquid-tight layer absorbing the bottom of sandwich layer connect below the liquid-tight layer liquid-tight bottom.
Preferably, the non-woven fabric covers the elastic body extending along the longitudinal direction of the absorption article to two ends and then is folded in half to form a left side leakage-proof liquid-tight layer and a right side leakage-proof liquid-tight layer with double-layer structures respectively.
Preferably, the left side leakage-proof liquid-tight layer and the right side leakage-proof liquid-tight layer are overlapped at the longitudinal center position of the absorption core layer to form a liquid-tight layer.
Preferably, the left side is prevented the lateral leakage liquid-tight layer and is only extended to the left side of absorbing the sandwich layer after the left longitudinal side of absorption core inwards buckles, and the right side is prevented the lateral leakage liquid-tight layer and is continued to extend to the horizontal direction of absorbing the sandwich layer after the right longitudinal side department of absorbing the sandwich layer inwards buckles, until extending to the left side of absorbing the sandwich layer to overlap and form liquid-tight layer with the left side is prevented the lateral leakage liquid-tight layer in the left side of absorbing the sandwich layer.
Preferably, the right side is prevented the impervious layer of edge leakage and is only extended to the right side of absorbing the sandwich layer after the right longitudinal side of absorbing the sandwich layer is inwards buckled, and the left side is prevented the impervious layer of edge leakage and is continued to extend to the horizontal direction of absorbing the sandwich layer after the left longitudinal side department of absorbing the sandwich layer is inwards buckled, until extending to the right side limit of absorbing the sandwich layer, and prevent the impervious layer of edge leakage with the right side and overlap and form the impervious layer on the right side of absorbing the sandwich layer.
Preferably, in the left side is prevented the liquid-tight layer of edge leakage, is prevented the liquid-tight layer of edge leakage on the right side, wherein the liquid-tight layer of edge leakage prevention of one side becomes the individual layer material along the vertical side of absorbing the sandwich layer towards the inside back of buckling of bottom, the individual layer material overlaps with the liquid-tight layer of edge leakage prevention that has bilayer structure of opposite side and is connected in absorbing sandwich layer bottom, and then forms the liquid-tight layer that has three layer construction.
Preferably, the left side is prevented the impervious layer of edge leakage and is inwards buckled the back along the left longitudinal side of absorbing the sandwich layer by inlayer non-woven fabrics, continue to extend to the lateral direction of absorbing the sandwich layer, extend to the right side limit of absorbing the sandwich layer, until the folding beginning of the impervious layer of edge leakage is prevented to the right side, but outer non-woven fabrics ends in the left side position of absorbing the sandwich layer after inwards buckling along the left longitudinal side limit of absorbing the sandwich layer, make the left side prevent the impervious layer of edge leakage and fold and become the individual layer material behind the bottom of absorbing the sandwich layer, and simultaneously, the right side is prevented the impervious layer of edge leakage and inwards buckles the back in the right longitudinal side limit of absorbing the sandwich layer, continue to extend to the lateral direction of absorbing the sandwich layer, until extending to the left side limit of absorbing the sandwich layer, make the left side prevent the impervious layer of edge leakage's inlayer non-woven fabrics and the right side of edge.
Preferably, the right side is prevented leaking the non-liquid tight layer of edge by the inlayer non-woven fabrics after inwards buckling along the right longitudinal side of absorbing the sandwich layer, continue to extend to the transverse direction of absorbing the sandwich layer, extend to the left side of absorbing the sandwich layer, until the folding beginning of the left side is prevented leaking the non-liquid tight layer of edge, but outer non-woven fabrics ends in the right side position of absorbing the sandwich layer after inwards buckling along the right longitudinal side of absorbing the sandwich layer, make the right side prevent leaking the non-liquid tight layer and fold and become the individual layer material behind the bottom of absorbing the sandwich layer, and simultaneously, the left side prevents leaking the non-liquid tight layer and inwards buckles the back in the left longitudinal side department of absorbing the sandwich layer, continue to extend to the transverse direction of absorbing the sandwich layer, until extending to the right side of absorbing the sandwich layer, make the right side prevent leaking the inner non-woven fabrics of the non-liquid tight layer of edge and the.
Preferably, the left side that has bilayer structure prevents that the liquid-tight layer of edge leakage, the right side prevent that the liquid-tight layer of edge leakage is respectively along left longitudinal side, the right longitudinal side department of absorption core back of inwards buckling, continue respectively to the horizontal direction extension of absorption sandwich layer, until extending to the opposite side of absorption sandwich layer respectively to the liquid-tight layer that has four-layer structure is overlapped in the bottom of absorption sandwich layer.
Preferably, the overlapping width of the left side leakage-proof liquid-tight layer and the right side leakage-proof liquid-tight layer at the bottom of the absorption core layer is 1-130 mm.
Preferably, the left side leakage-proof liquid-tight layer and the right side leakage-proof liquid-tight layer are connected through an adhesive layer in the overlapping area.
Preferably, the adhesive layer is a hot melt adhesive layer, and the hot melt adhesive layer is a hot melt adhesive layer which is selected from spiral glue, linear glue, omega glue, fiber glue or CS glue
Preferably, the liquid-impermeable bottom layer is a spun-bonded-melt-blown non-woven fabric, and the left side leakage-proof liquid-impermeable layer and the right side leakage-proof liquid-impermeable layer are both melt-blown non-woven fabrics.
The utility model provides a no membrane high ventilative absorption articles for use, includes liquid-permeable top layer, prevents that the edge leakage is liquid-impermeable layer, liquid-tight nature bottom and sets up the absorbed layer between liquid-permeable top layer and liquid-tight nature bottom, is connected as before liquid-tight layer on liquid-tight nature bottom.
Preferably, the absorbent article is a two-piece pull-up pant, a three-piece pull-up pant, a paper diaper or a sanitary napkin.
The utility model has the advantages that: the utility model discloses a to prevent that the edge leakage liquid-tight layer, the right side prevent that the edge leakage liquid-tight layer overlaps to be connected in the bottom of absorbing the sandwich layer and forms and have two-layer structure or more than two-layer to have well prevent the end and ooze, the liquid-tight layer that the side was oozed, effectively solved the end problem of oozing of the high ventilative absorption articles for use of no membrane, on the other hand, the utility model discloses a liquid-tight layer has replaced the effect of the ventilative basement membrane or the curtain coating membrane among the current health supplies, forms no basement membrane, the ventilative absorption products of superelevation, owing to not set up the ventilated membrane, effectively reduces the vexed wet sense of.
Drawings
Fig. 1 is a schematic view of the structure of the liquid impermeable layer of the two-piece pull-up pant of example 1.
Fig. 2 is a schematic view of the structure of the liquid impermeable layer of the two-piece pull-up pant of example 2.
Figure 3 is a schematic view of the construction of the liquid impermeable layer of the three-piece pull-up pant of example 3.
Fig. 4 is a schematic view showing the structure of the liquid-impermeable layer of the fastening-type diaper of example 4.
Detailed Description
The technical solution of the present invention is further explained by the embodiments with reference to the drawings.
Example 1
As shown in fig. 1, the absorbent article of this embodiment is a two-piece pull-up diaper, comprising a liquid-permeable top layer a20, a fluid-guiding layer a21, a side-leakage-preventing liquid-impermeable layer, a liquid-impermeable bottom layer a40, an elastic waist inner layer nonwoven fabric a50, and an elastic waist outer layer nonwoven fabric a 51; an absorbent core A30 and a wrapping layer A31 thereof are disposed between the liquid permeable topsheet A20 and the liquid impermeable backsheet A40. The side leakage prevention liquid-tight layer comprises a left side leakage prevention liquid-tight layer A10, a right side leakage prevention liquid-tight layer A11, a four-layer overlapping area A60 formed by folding a left side leakage prevention liquid-tight layer A10 and a right side leakage prevention liquid-tight layer A11, and a two-layer overlapping area A70.
The structural characteristics of this embodiment are that the left side leakage-proof liquid-impermeable layer a10 and the right side leakage-proof liquid-impermeable layer a11 are realized by the following implementation modes:
firstly, the non-woven fabric is wrapped by the elastic bodies extending along the two ends of the two-piece pull-up pants in the longitudinal direction and then folded in half to form the side leakage prevention liquid-tight layer with a double-layer structure, which comprises a left side leakage prevention liquid-tight layer A10 and a right side leakage prevention liquid-tight layer A11.
Secondly, the left side leakage-proof liquid-impermeable layer A10 and the right side leakage-proof liquid-impermeable layer A11 are respectively bent inwards at the left longitudinal side edge and the right longitudinal side edge of the absorbent core A30 and then continue to extend towards the transverse direction of the absorbent core A30 until the left side leakage-proof liquid-impermeable layer A10 and the right side leakage-proof liquid-impermeable layer A11 are overlapped at the longitudinal center position of the absorbent core A30 to form liquid-impermeable layers, preferably, the width of the four-layer overlapped region A60 is 10-20 mm.
The liquid-impermeable back sheet A40 and the elastic waist inner layer non-woven fabric A50 of the embodiment are selected from spun-bonded and melt-blown non-woven fabrics which are all existing non-woven materials, and the bottom penetration risk of the absorbent article is further reduced.
As a further specific preferred embodiment, the overlapping area can be glued together, and the glue spraying means can include spiral, linear, omega glue, fibre spray glue, CS spray glue or non-contact type glue scraping.
The beneficial technical effect of this embodiment lies in, because the two-piece type pull-up pants prevent the edge leakage limit invagination, coincide connect and form and have two-layer structure, the impervious liquid layer of antiseep, replaced the effect of ventilative basement membrane or curtain coating membrane in the current health supplies, form the absorption product that does not have basement membrane, super high permeability.
Example 2
As shown in fig. 2, the absorbent article of this embodiment is a two-piece pull-up diaper, which comprises a liquid-permeable top layer B20, a fluid-guiding layer B21, a liquid-impermeable side-leakage-preventing layer, a liquid-impermeable bottom layer B40, an elastic waist inner layer nonwoven fabric B50, and an elastic waist outer layer nonwoven fabric B51; an absorbent core B30 and a wrapping layer B31 thereof are arranged between the liquid permeable top sheet B20 and the liquid impermeable back sheet B40. The side leakage prevention liquid-tight layer comprises a left side leakage prevention liquid-tight layer B10, a right side leakage prevention liquid-tight layer B11, a four-layer overlapping region B60 formed by folding a left side leakage prevention liquid-tight layer B10 and a right side leakage prevention liquid-tight layer B11, and a two-layer overlapping region B70.
However, this embodiment differs from embodiment 1 in that the left side leakage-preventing liquid-impermeable layer B10 of this embodiment extends only to the left side of the absorbent core B30 after the left longitudinal side edge of the absorbent core B30 is folded inward, and the right side leakage-preventing liquid-impermeable layer B11 continues to extend in the transverse direction of the absorbent core B30 after being folded inward at the right longitudinal side edge of the absorbent core B30, up to the left side edge of the absorbent core B30, and overlaps with the left side leakage-preventing liquid-impermeable layer B10 on the left side of the absorbent core B30 to form a liquid-impermeable layer, and preferably, the four-layer overlapping region B60 has a width of 10 to 20 mm.
In other embodiments, however, the following may also be implemented: the right side leakage-proof and liquid-impermeable layer B11 only extends to the right side of the absorbent core B30 after being folded inwards at the right longitudinal side edge of the absorbent core B30, while the left side leakage-proof and liquid-impermeable layer B10 continues to extend in the transverse direction of the absorbent core B30 after being folded inwards at the left longitudinal side edge of the absorbent core B30 until reaching the right side edge of the absorbent core B30 and forms a liquid-impermeable layer by overlapping with the right side leakage-proof and liquid-impermeable layer B11 at the right side of the absorbent core B30, preferably, the overlapping width is 10-20 mm.
The beneficial technical effect of this embodiment lies in, because the two-piece type pull-up pants prevent the edge leakage limit invagination, coincide connect and form and have two-layer structure, the impervious liquid layer of antiseep, replaced the effect of ventilative basement membrane or curtain coating membrane in the current health supplies, form the absorption product that does not have basement membrane, super high permeability.
Example 3
As shown in fig. 3, the absorbent article of this embodiment is a three-piece pull-up diaper comprising a liquid permeable top sheet C20, a fluid-directing layer C21, a side-leakage-preventing liquid-impermeable layer, a liquid impermeable back sheet C40, an elastic waist inner layer nonwoven C50, and an elastic waist outer layer nonwoven C51; an absorbent core C30 and a wrapping layer C31 thereof are arranged between the liquid-permeable top sheet C20 and the liquid-impermeable back sheet C40. The side leakage prevention liquid-tight layer comprises a left side leakage prevention liquid-tight layer C10, a right side leakage prevention liquid-tight layer C11, a four-layer overlapping region C60 formed by folding a left side leakage prevention liquid-tight layer C10 and a right side leakage prevention liquid-tight layer C11, and a three-layer overlapping region C70.
As shown in fig. 3, the elastic body extending along the two ends of the three-piece pull-up pants is wrapped with the non-woven fabric and then folded in half to form the side-leakage-proof and liquid-tight layer with a double-layer structure consisting of the inner layer non-woven fabric and the outer layer non-woven fabric, which comprises a left side-leakage-proof and liquid-tight layer C10 and a right side-leakage-proof and liquid-tight layer C11.
This example differs from example 1 or example 2 in that the inner layer nonwoven fabric of the left side leakage-preventing liquid-impermeable layer C10 is folded inward along the left longitudinal side edge of the absorbent core C30 and then continues to extend in the transverse direction of the absorbent core C30 until it reaches the right side edge of the absorbent core C30, but the outer layer nonwoven fabric is folded inward along the left longitudinal side edge of the absorbent core C30 and then ends at the left side position of the absorbent core C30, i.e., the left side leakage-preventing liquid-impermeable layer C10 is folded to the lower end of the absorbent core and becomes a single-layer material, and the inner layer nonwoven fabric thereof is folded downward and then extends to the folding start end of the right side leakage-preventing liquid-impermeable layer C11; meanwhile, after the right longitudinal side edge of the absorbent core B30 of the right side leakage-proof liquid-impermeable layer C11 is bent inwards, the right side leakage-proof liquid-impermeable layer C11 continues to extend towards the transverse direction of the absorbent core C30 until the right side edge of the absorbent core C30 extends to the left side edge of the absorbent core C30, and the inner layer non-woven fabric of the left side leakage-proof liquid-impermeable layer C10 is overlapped with the right side leakage-proof liquid-impermeable layer C11 to form a three-layer structure C70 which is impermeable to the liquid and prevents bottom leakage.
In other embodiments, however, the following may be used or performed simultaneously: the inner layer nonwoven fabric of the right side leakage-proof and liquid-impermeable layer C11 is bent inwards along the right longitudinal side edge of the absorbent core C30 and then continues to extend in the transverse direction of the absorbent core C30 until reaching the left side edge of the absorbent core C30, but the outer layer nonwoven fabric is bent inwards along the right longitudinal side edge of the absorbent core C30 and then ends at the right side position of the absorbent core C30, that is, the right side leakage-proof and liquid-impermeable layer C10 is folded to the lower end of the absorbent core and then becomes a single-layer material, and the inner layer nonwoven fabric thereof is folded downwards and then extends to the folding starting end of the left side leakage-proof and liquid-impermeable layer C10; meanwhile, the left side leakage-proof liquid-tight layer C10 is bent inwards at the left longitudinal side edge of the absorption core B30 and then continues to extend towards the transverse direction of the absorption core C30 until the left side edge of the absorption core C30 extends to the right side edge of the absorption core C30, and the inner layer non-woven fabric of the right side leakage-proof liquid-tight layer C11 is overlapped with the left side leakage-proof liquid-tight layer C10 to form a bottom leakage-proof liquid-tight layer of the side leakage-proof sheet with a multilayer structure.
As a further specific preferred embodiment, the overlapping area can be glued together, and the glue spraying means can include spiral, linear, omega glue, fibre spray glue, CS spray glue or non-contact type glue scraping.
The beneficial technical effect of this embodiment lies in, because three-piece type pull-up pants prevent that the edge leakage of side infolding, coincide connect and form and have three layer construction, the impervious liquid layer of antiseep, replaced the effect of ventilative basement membrane or curtain coating membrane in the current health supplies, form the absorbent article that does not have basement membrane, super high permeability.
Example 4
As shown in fig. 4, the present embodiment is a paper diaper of a buckle type (a closed system is composed of a front waist patch and a left/right magic tape), which includes a liquid-permeable top sheet D20, a liquid-permeable flow-guiding layer D21, a liquid-impermeable bottom top sheet D40, a liquid-impermeable bottom sheet D41, an elastic waist portion D50, a front waist patch D60, a left/right magic tape D70, an absorbent core D30, an absorbent core wrapping layer D31, and a four-layer overlapping region D80 formed by folding a left side leakage-proof liquid-impermeable layer D10, a right side leakage-proof liquid-impermeable layer D11, a left side leakage-proof liquid-impermeable layer D10 and a right side leakage-proof liquid-impermeable layer D11.
As shown in fig. 4, the structure of this embodiment is characterized in that the left side leakage-proof liquid-impermeable layer D10 and the right side leakage-proof liquid-impermeable layer D11 are respectively bent inward along the left longitudinal side and the right longitudinal side of the absorbent core D30, and then respectively extend to the transverse direction of the absorbent core D30 until respectively extending to the right side and the left side of the absorbent core D30, so that the left side leakage-proof liquid-impermeable layer D10 and the right side leakage-proof liquid-impermeable layer D11 are overlapped at the bottom of the absorbent core D30, and the overlapping rate of the bottom area reaches 70% -100%, thereby forming a four-layer structure bottom leakage-proof liquid-impermeable layer.
As a preferred embodiment, the left side-leakage preventing liquid-impermeable layer D10 is folded to the lower end of the absorbent core, folded downward, and extended laterally to the folding start end of the right side-leakage preventing liquid-impermeable layer D11; the right side leakage-proof liquid-tight layer D11 is folded to the lower end of the absorption core and is made of double-layer material, and is folded downwards and transversely extends to the folding starting end of the left side leakage-proof liquid-tight layer D10 to form a four-layer leakage-proof liquid-tight layer.
The beneficial technical effect of this embodiment lies in, because the edge leakage prevention of panty-shape diapers is inflected, the coincide connects and forms the liquid-tight layer that has four-layer structure, antiseep, has replaced the effect of ventilative basement membrane or curtain coating membrane in the current health supplies, forms no basement membrane, super high ventilative absorbent article.
The technical principles of this patent have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of this disclosure and is not to be construed in any way as limiting the scope of the disclosure. Based on the explanations herein, those skilled in the art should appreciate that other embodiments of the patent do not require inventive faculty, which shall fall within the scope of the patent.
Claims (10)
1. The utility model provides an absorb articles for use's liquid-tight layer, absorb articles for use include liquid-permeable top layer, prevent edge leakage liquid-tight layer, liquid-tight nature bottom and set up the absorption sandwich layer between liquid-permeable top layer and liquid-tight nature bottom, prevent edge leakage liquid-tight layer by the left side prevent edge leakage liquid-tight layer, the right side prevent edge leakage liquid-tight layer and constitute its characterized in that: the left side is prevented that the lateral leakage is impervious layer, the right side and is prevented that the lateral leakage is impervious layer and locate toward respectively at the left longitudinal side of absorbing the sandwich layer, right longitudinal side the bottom of absorbing the sandwich layer is inwards buckled the back, continues to extend to the horizontal direction of absorbing the core, until the left side is prevented that the lateral leakage is impervious layer, the right side is prevented that the lateral leakage is impervious layer and is overlapped and form and have two-layer or more than two-layer liquid-tight layer absorbing the bottom of sandwich layer connect below the liquid-tight layer liquid-tight bottom.
2. The liquid impermeable layer of an absorbent article of claim 1, wherein: the non-woven fabric is wrapped and folded along the elastic body extending from the two ends of the longitudinal direction of the absorption article to form a left side anti-side leakage liquid-tight layer and a right side anti-side leakage liquid-tight layer with double-layer structures respectively, and the left side anti-side leakage liquid-tight layer and the right side anti-side leakage liquid-tight layer are overlapped at the bottom of the absorption core layer to form a liquid-tight layer with double-layer structures.
3. The liquid impermeable layer of an absorbent article of claim 2, wherein: the left side leakage-proof liquid-tight layer and the right side leakage-proof liquid-tight layer are overlapped at the longitudinal center position, the left longitudinal side edge or the right longitudinal side edge of the absorption core layer.
4. The liquid impermeable layer of an absorbent article of claim 1, wherein: in the left side prevents that the edge leakage is not liquid-tight layer, the right side prevents that the edge leakage is not liquid-tight layer, wherein the edge leakage is prevented that the liquid-tight layer of one side becomes the individual layer material along the vertical side of absorbing the sandwich layer after inwards buckling towards the bottom, the individual layer material overlaps with the bilayer structure's that has the edge leakage is not liquid-tight layer and is connected absorbing sandwich layer bottom, and then forms the non-liquid-tight layer that has three layer construction.
5. The liquid impermeable layer of an absorbent article of claim 2, wherein: have bilayer structure prevent that the edge leakage is liquid-tight layer, the right side prevent that the edge leakage is liquid-tight layer and follow the left longitudinal side of absorption core, the right longitudinal side department is inwards buckled the back respectively, continue respectively to the horizontal direction extension of absorption sandwich layer, until extending to the opposite side of absorption sandwich layer bottom respectively to the liquid-tight layer that has four-layer structure is overlapped in the bottom of absorption sandwich layer.
6. A liquid-impermeable layer for an absorbent article according to claim 2 or 3, characterized in that: the overlapping width of the left side leakage-proof liquid-tight layer and the right side leakage-proof liquid-tight layer at the bottom of the absorption core layer is 1-130 mm.
7. The liquid impermeable layer of an absorbent article according to any one of claims 1 to 5, characterized in that: the left side prevents that the edge leakage is not liquid-tight layer, the right side prevents that the edge leakage is not liquid-tight layer and passes through the tie coat connection in the overlap region, the tie coat is selected the shape and is the hot melt adhesive layer that spiral type, line type, omega type glue, fibre type spout gluey or CS type spouts gluey.
8. The liquid impermeable layer of an absorbent article according to any one of claims 1 to 5, characterized in that: the non-liquid-tight bottom layer is a non-woven fabric or other non-woven fabrics containing a melt-blown fiber layer, and the left side leakage-proof non-liquid-tight layer and the right side leakage-proof non-liquid-tight layer are both non-woven fabrics containing melt-blown fiber layers.
9. The utility model provides a high ventilative absorption articles for use of no membrane, includes liquid-permeable top layer, prevents edge leakage liquid-impermeable layer, liquid-tight nature bottom and sets up the absorbed layer between liquid-permeable top layer and liquid-tight nature bottom, its characterized in that: a liquid-impermeable layer as claimed in any of claims 1 to 8 attached to a liquid-impermeable back sheet.
10. The filmless highly breathable absorbent article of claim 9 wherein: the absorbing article is two-piece pull-up pants, three-piece pull-up pants, paper diapers or sanitary towels.
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| CN201920045744.3U CN209933195U (en) | 2019-01-11 | 2019-01-11 | Liquid-tight layer of absorption article and membraneless high-permeability absorption article |
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| CN113633471A (en) * | 2021-08-17 | 2021-11-12 | 诺宸股份有限公司 | Absorbent article and method of making same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113633471A (en) * | 2021-08-17 | 2021-11-12 | 诺宸股份有限公司 | Absorbent article and method of making same |
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Effective date of registration: 20201111 Address after: No.2, Yuezhong North Road, Guanyao, Shishan town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Beixi nursing supplies Co.,Ltd. Address before: 39th Floor of Innovation Building, 1300 Jimei Avenue, Jimei District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN YUANCHUANGLI TECHNOLOGY SERVICE Co.,Ltd. |