CN203060065U - Compound sheet material with liquid permeability - Google Patents
Compound sheet material with liquid permeability Download PDFInfo
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- CN203060065U CN203060065U CN 201320069207 CN201320069207U CN203060065U CN 203060065 U CN203060065 U CN 203060065U CN 201320069207 CN201320069207 CN 201320069207 CN 201320069207 U CN201320069207 U CN 201320069207U CN 203060065 U CN203060065 U CN 203060065U
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- sheet material
- layer sheet
- liquid permeability
- liquid
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Abstract
The utility model discloses a compound sheet material with liquid permeability. The compound sheet material with the liquid permeability comprises a first layer sheet material and a second layer sheet material, and is characterized in that grooves are formed in the compound sheet material with the liquid permeability, tapered three-dimensional openings which are recessed downwards are formed among the grooves transversely; the first layer sheet material and the second layer sheet material are bonded together through the grooves; the tapered three-dimensional openings penetrate through the first layer sheet material and the second layer sheet material; and head hanging flowers are arranged in the tapered three-dimensional openings and extend toward the lower part of the second layer sheet material. According to the compound sheet material with the liquid permeability, the opening area of the upper surface of the first layer sheet material is in a range of 0.01 to 9 mm<2>, and the opening ratio is 1.5 to 15 percent. The first layer sheet material and the second layer sheet material are bonded in positions of the grooves through hot melting, the width of each groove ranges from 0.5 to 5 mm, and the interval between every two adjacent grooves ranges from 2 to 15 mm. Compared with the prior art, the compound sheet material with the liquid permeability can enhance the longitudinal conduction of a liquid, improve the use ratio of a core, accelerate the infiltration speed of the liquid and reduce the contact area of the liquid and the skin and the clammy feel of a skin contact surface.
Description
Technical field
This utility model relates to a kind of for the liquid permeability composite sheet on the absorbent sanitary articles for use, and the modification that relates in particular to surface materials such as urine trousers, sanitary towel is compound.
Background technology
But the absorbent sanitary articles for use generally are made of the liquid absorbent material between the top layer of liquid permeability, liquid-tight bottom, top layer and bottom.Wherein but mainly there is following functional requirement on the top layer of liquid permeability: the ability that (1) can make liquid ooze down rapidly.(2) reduce liquid and return the ability of oozing.(3) less to the zest of skin limb.But in order to improve the liquid permeability skin sheets to the seepage velocity of liquid, usually to the processing of punching of the surficial sheets of disposable absorbent article.CN03816801.4 has announced a kind of heat bonding perforated nonwoven and manufacture method thereof.It adopts pricker on the porcupine roller of nonwoven perforation device to be engaged in the non-woven fabrics and the method for the non-woven fabrics that punctures.Can puncture the continuously hole of circular of described patent, but what the perforated nonwoven that is to use the manufacture method preparation of this publication document formed is flat circle hole shape non-woven fabrics, though the non-woven fabrics of Huo Deing can improve the ability of permeation liquid as the surficial sheets of disposable absorbent article like this, but for preventing bleeding back of liquid, reduce the zest aspect contribution of skin less.JP62250257 has announced a kind of method for preparing the perforate flexible sheet material.It adopts the flexible sheet material to having slit to stretch, to obtain the method for perforate shape sheet material.Shortcomings such as the perforate shape sheet material process that obtains with this method is comparatively simple and easy, and still thus obtained perforate sheet material is planar shaped, has easy answer, and is easy impaired.CN97117018.5 has announced a kind of absorbent commodity, and described absorbent commodity surface has rough surface, wherein in recessed portion vertically, form a plurality of liquid aperture portion according to a determining deviation.Body fluid is absorbed in article inside from aperture portion, because the effect of raised line, the skin contact of article is not attached on the skin of user, wearing feeling is good, but the formed perforate of perforate shape sheet material of the method that this patent is announced preparation is the three-dimensional attitude of vertebra shape, for prevent liquid return the ability of oozing a little less than.
In order to reduce the zest to skin, then need to have rough surface and reduce the area that connects with skin with this, thereby reach elimination produces excitement to skin purpose.Present most research concentrates on the purpose that two sheets is combined with each other to form the concave-convex surface.Announced a kind of manufacture method of obtaining the composite sheet on fold shape surface as JP9111631.It is that the layer that will contain heat-shrinkable fiber and thermal bonding fiber carries out lamination with the layer that contains the noncontractile fiber, two layer segments are engaged and after thickness direction becomes an integral body, make the layer thermal contraction that contains heat-shrinkable fibre, thereby will form the fold of the striated (muscle shape) that is constituted by another layer on the surface.Utilize the composite of this aspect manufacturing can reduce contact surface with skin, but because the bonding place fibers melt, the tablet of recess shape can hinder the infiltration of liquid.
The utility model content
Technical problem to be solved in the utility model is to overcome existing above-mentioned deficiency in the prior art, and provide a kind of have bulk solid have perforate the liquid permeability composite sheet, this liquid permeability composite sheet can enhance liquid vertical conduction, improve the utilization rate of core body, the following infiltration rate degree of while accelerating liquid, the contact area of minimizing and skin reduces the sticking wet of skin contact and feels.
This utility model solves the problems of the technologies described above the technical scheme that adopts and comprises:
A kind of liquid permeability composite sheet, comprise ground floor sheet material and second layer sheet material, it is characterized in that described liquid permeability composite sheet has groove, be provided with between groove is horizontal to the three-dimensional perforate of the taper of lower recess, ground floor sheet material and second layer sheet material bond together by groove, the three-dimensional perforate of described taper runs through ground floor sheet material, second layer sheet material and has and is wounded in the head, and is wounded in the head and extends to second layer sheet material below.Be wounded in the head and be conducive to body fluid and ooze out to second layer sheet material 2 belows to have again simultaneously and prevent that liquid from returning the effect of oozing.
Ground floor sheet material upper surface perforated area described in the utility model is 0.01～9mm
2, percent opening is 1.5～15%.
Ground floor sheet material described in the utility model and second layer sheet material adopt heat fusing bonding at groove, and recess width is 0.5～5mm, are spaced apart 2～15mm between the groove.Ground floor sheet material and second layer sheet material are bonding at several grooves of appropriate width and spacing, the quality that has improved the liquid permeability composite sheet be connected effect.
This utility model compared with prior art, vertical conduction that described liquid permeability composite sheet can enhance liquid improves the utilization rate of core body, the following infiltration rate degree of accelerating liquid reduces the contact area with skin, reduces the sticking wet sense of skin contact.
Description of drawings
Fig. 1 is that the three-dimensional perforate cross section of this utility model embodiment 1(taper is for circular) axonometric chart.
Fig. 2 is that laterally analysing and observe of this utility model embodiment 1 turns to figure.
Fig. 3 is the vertical view of this utility model embodiment 1.
Fig. 4 is that this utility model embodiment 1 second layer sheet material carries out the vertical view after the perforate one time.
Fig. 5 is the partial enlarged drawing of Fig. 3.
Fig. 6 is that the three-dimensional perforate cross section of this utility model embodiment 2(taper is the bar shaped slit) vertical view.
Fig. 7 is the vertical view of embodiment illustrated in fig. 62 second layer sheet material.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to this utility model liquid permeability composite sheet.
Fig. 1 is the axonometric chart of the embodiment 1 of this utility model liquid permeability composite sheet A, and Fig. 2 is the vertical section figure of embodiment 1.As depicted in figs. 1 and 2, the liquid permeability composite sheet A of present embodiment is by two sheets at least: the second layer sheet material 2 that is positioned at the ground floor sheet material 1 of top and is positioned at the below constitutes.Described ground floor sheet material 1, second layer sheet material 2 are the liquid permeability flexible sheet material, but can select for use flexible materials such as non-woven fabrics, yarn fabric, making hole film, microporous membrane, fiber assembly liquid permeability composite membrane to make, be preferably bulk hot-wind nonwoven cloth, its grammes per square metre scope is every square metre of 8～60 gram.
As shown in Figure 2, described liquid permeability composite sheet A upper surface is concavo-convex fluctuating, has several grooves 3, is placed with to the three-dimensional perforate 4 of the taper of lower recess by rule between adjacent two grooves 3 horizontal (left and right directions of Fig. 3-Fig. 7).Ground floor sheet material 1 is bonded together by groove 3 with second layer sheet material 2.The three-dimensional perforate 4 of described taper runs through described ground floor sheet material 1, second layer sheet material 2 and has and is wounded in the head 403, be wounded in the head and 403 extend to second layer sheet material 2 belows, be conducive to body fluid and ooze out to second layer sheet material 2 belows to have again simultaneously and prevent that liquid from returning the effect of oozing.
As shown in Figure 3, described ground floor sheet material 1 upper surface has the perforate part of groove 3 parts, the three-dimensional perforate 4 of corresponding taper, and groove 3 parts, perforate partly are staggered; As shown in Figure 4, second layer sheet material 2 has the perforate part of flat, the three-dimensional perforate 4 of corresponding taper; The ground floor perforate 402 of ground floor sheet material 1 is corresponding to the same with the position of a perforate 401 of second layer sheet material, and ground floor perforate 402 is the part of the three-dimensional perforate 4 of taper of liquid permeability composite sheet A.
Wherein ground floor sheet material 1 can adopt modes such as heat fusing, ultrasound wave bonding at groove 3 places with second layer sheet material 2, and groove 3 width d3 are 0.5～5mm, are preferably 1～2mm; Be 2～15mm apart from d4 between adjacent two grooves 3 wherein, be preferably 3～8mm.The cross section (in-plane of ground floor sheet material 1, second layer sheet material 2) of the three-dimensional perforate 4 of the taper of this utility model liquid permeability composite sheet A can be form arbitrarily such as circle, ellipse, square, honeycombed, bar shaped slit, the single aperture d1 of ground floor sheet material 1 be 0.1～3mm scope, upper surface (cross section) perforated area 0.01～9mm of the three-dimensional perforate 4 of each taper wherein
2, percent opening (all the upper surface perforated area of the three-dimensional perforate 4 of tapers accounts for the percentage ratio of the liquid permeability composite sheet A area of plane) 1.5～15% ratio form.Wherein the cross section of the three-dimensional perforate 4 of the taper of the liquid permeability composite sheet A of embodiment 1 is circular, and embodiment 2 basic structures are identical with embodiment 1, and the cross section of distinguishing the three-dimensional perforate 4 of taper of the liquid permeability composite sheet A that only is embodiment 2 is bar shaped slit (referring to Fig. 6, Fig. 7).
As shown in Figure 4, second layer sheet material 2 has a perforate 401 of second layer sheet material, the shape of a perforate 401 of second layer sheet material can be form arbitrarily such as circle, ellipse, square, honeycombed, bar shaped slit, wherein the aperture d2 of a perforate 401 of second layer sheet material is 0.1～2mm, be preferably 0.1～1mm, this aperture d2 is that part of less than the three-dimensional perforate 4 corresponding second layer sheet materials 2 of the taper that finally forms through compound punching, also less than the diameter of composite roll pin 701, the aperture of pre-punching is very little so for the first time, simultaneously fixed apertures.For the second time the aperture of punching big (the three-dimensional perforate 4 corresponding second layer sheet materials 2 of taper that part of), will make ground floor sheet material 1 when protruding into into second layer sheet material 2, be difficult for bounce-back and revert back to original state, and the easier prevention of burr that ground floor sheet material 1 is broken into after the perforate for the second time its be returned to ground floor.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. liquid permeability composite sheet, comprise ground floor sheet material and second layer sheet material, it is characterized in that: described liquid permeability composite sheet has groove, be provided with between groove is horizontal to the three-dimensional perforate of the taper of lower recess, ground floor sheet material and second layer sheet material are bonding by groove, the three-dimensional perforate of described taper runs through ground floor sheet material, second layer sheet material and has and is wounded in the head, and is wounded in the head and extends to second layer sheet material below.
2. liquid permeability composite sheet according to claim 1 is characterized in that: the three-dimensional perforate upper surface of described taper perforated area is 0.01～9mm
2, percent opening is 1.5～15%.
3. liquid permeability composite sheet according to claim 1 and 2 is characterized in that: described ground floor sheet material and second layer sheet material adopt heat fusing bonding at groove, and recess width is 0.5～5mm, are spaced apart 2～15mm between the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069207 CN203060065U (en) | 2013-02-06 | 2013-02-06 | Compound sheet material with liquid permeability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320069207 CN203060065U (en) | 2013-02-06 | 2013-02-06 | Compound sheet material with liquid permeability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203060065U true CN203060065U (en) | 2013-07-17 |
Family
ID=48758896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320069207 Expired - Lifetime CN203060065U (en) | 2013-02-06 | 2013-02-06 | Compound sheet material with liquid permeability |
Country Status (1)
| Country | Link |
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| CN (1) | CN203060065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103156735A (en) * | 2013-02-06 | 2013-06-19 | 黄山富田精工制造有限公司 | Liquid permeability clad sheet, manufacturing device thereof and manufacturing method thereof |
| CN108685643A (en) * | 2018-08-01 | 2018-10-23 | 泉州优立佳新型材料有限公司 | A kind of paper diaper absorptive core |
| CN114948445A (en) * | 2021-02-26 | 2022-08-30 | 王子控股株式会社 | Absorbent article |
-
2013
- 2013-02-06 CN CN 201320069207 patent/CN203060065U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103156735A (en) * | 2013-02-06 | 2013-06-19 | 黄山富田精工制造有限公司 | Liquid permeability clad sheet, manufacturing device thereof and manufacturing method thereof |
| CN103156735B (en) * | 2013-02-06 | 2014-10-29 | 黄山富田精工制造有限公司 | Manufacturing method of liquid permeability clad sheet |
| CN108685643A (en) * | 2018-08-01 | 2018-10-23 | 泉州优立佳新型材料有限公司 | A kind of paper diaper absorptive core |
| CN114948445A (en) * | 2021-02-26 | 2022-08-30 | 王子控股株式会社 | Absorbent article |
| CN114948445B (en) * | 2021-02-26 | 2024-03-12 | 王子控股株式会社 | Absorbent article |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 245000 No. 18, Xia Lu, Huangshan City Economic Development Zone, Anhui, Huangshan City Patentee after: Huangshan Futian Precision Manufacturing Co.,Ltd. Address before: 245000 No. 18, Xia Lu, Huangshan City Economic Development Zone, Anhui, Huangshan City Patentee before: HUANGSHAN FUTIAN MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |