CN204971911U - Absorptivity health is compound paper that absorbs water of dumbbell shape for goods - Google Patents
Absorptivity health is compound paper that absorbs water of dumbbell shape for goods Download PDFInfo
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- CN204971911U CN204971911U CN201520542393.9U CN201520542393U CN204971911U CN 204971911 U CN204971911 U CN 204971911U CN 201520542393 U CN201520542393 U CN 201520542393U CN 204971911 U CN204971911 U CN 204971911U
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Abstract
The utility model relates to an absorptivity health is compound paper that absorbs water of dumbbell shape for goods in health material field, absorb the sandwich layer, absorb the diffuse layer down including last absorption diffuse layer, centre, set up gluing agent layer between each layer and form through gluing agent bonding is compound, the middle sandwich layer that absorbs includes upper epidermis and top layer down, and it is the substrate all to adopt thermoplastic fiber vertically and horizontally staggered, intertwine to interweave the fluffy fibre web that forms, all combines super absorbent polymer resin particles and constitute between the fluffy fibroreticulate net of substrate, the compound paper that absorbs water comprises rectangle section and indent intersegmental position along vertical direction in succession, absorbs water the paper appearance in vertical direction complex and is axial symmetry dumbbell shape, divide into anterior segment and back end with the rectangle section, the anterior segment can equal or vary with the vertical length of back end. The utility model discloses simple process, the practicality is strong, has great economic benefits.
Description
Technical field
This utility model relates to hygienic material field, particularly a kind of absorbent sanitary product dumbbell shape composite absorbent paper.
Background technology
Along with growth in the living standard and living-pattern preservation, the use of disposable sanitary product is more and more universal in daily life, market penetration rate improves constantly, and to affect one of hygienic articles product qualitative factor be wearing comfort, outside the Pass the regulatory function of itself and hygienic articles waistline assembly has, also relevant with the absorptive core in hygienic articles.At present, the absorptive core type that women and children and adult health's goods use mainly contains the conventional suction core body by wood pulp cellulose and the molding of super absorbent resin Homogeneous phase mixing, and the ultrathin absorptive core to be made up of composite absorbent paper, because conventional suction core body easily produces fracture in the process absorbing storage liquid, rising sticks together to have a strong impact on the quality problem that user experience sense is subject to side leakage etc., therefore, its gradually replace by the ultrathin absorptive core that is made up of composite absorbent paper, the personnel of domestic hygienic article technical field were around the formation of absorptive core in recent years, performances etc. have done deep research to ultrathin absorptive core.
Authorization Notice No. is that the patent of invention of CN103085404B provides a kind of Multi-layer composite liquid absorbent wick material, comprise nonwoven layer, wherein the upper surface of nonwoven layer and lower surface form upper strata water-absorbing resin layer and lower floor's water-absorbing resin layer respectively sprinkled with water-absorbing resin, upper strata water-absorbing resin layer and outer upper strata absorbent paper layer and the lower floor's absorbent paper layer having absorbent paper formation respectively by melt viscosity of lower floor's water-absorbing resin layer, nonwoven layer, upper strata water-absorbing resin layer, lower floor's water-absorbing resin layer, upper strata absorbent paper layer and lower floor's absorbent paper layer are by roll compacting composite molding.
Application number be 201210295195.8 patent of invention and the patent No. be that the utility model patent of ZL201220411504.9 all provides a kind of absorbent sanitary product taste composite absorbent paper of dispelling, this absorbent paper is four laminate things, comprise and be located at middle odor control layer, water accepting layer and be located at the upper sealing coat of both sides and lower sealing coat, each layer adopts heat seal or gummed to be combined with each other, compared with prior art, sealing strip is provided with in longitudinal both sides, thus effectively prevent absorbent paper and taste of dispelling from controlling scattering of granule, and overflow after preventing water absorbent from expanding.
Application number is that the patent of invention of 201410764513.X provides a kind of absorbent sanitary product composite absorbent paper, comprise sealing coat, super absorbent resin, high fluffy non-woven fabrics, lower sealing coat, super absorbent resin comprises the upper strata super absorbent resin be distributed between sealing coat and the fluffy non-woven fabrics of height and the lower floor's super absorbent resin be distributed between high loft non-woven cloth and lower sealing coat, each interlayer is combined by gummed or heat seal mode, it is characterized in that the distribution of super absorbent resin on fabric width direction is heterogeneous, from axis to both sides, there is the central area that a fractionated polymer cloth surface density is higher, super absorbent resin forms effective distribution gradient in absorbent paper.
Application number be 201510046073.9 patent of invention provide a kind of NEW TYPE OF COMPOSITE core body playing Absorption in absorbent article, comprise top layer and intermediate layer, bondd by adhesive between top layer and intermediate layer, described top layer comprises again toilet paper layer and absorptive core, toilet paper layer to be positioned at outside absorptive core and with absorptive core with wide, described absorptive core is the mixture of wood pulp and SAP, the width on described top layer is 2-2.5 times of intermediate layer width, intermediate layer is wrapped up by two edge contractions on described top layer completely, it is fast that the core body of this structure has infiltration rate, do not rise and stick together, the feature do not ruptured.
But, above-mentioned prior art is mainly for the absorbent properties of vertical bar type composite absorbent paper or health care, also do not inquire the prior art document relating to dumbbell shape composite absorbent paper at present, and the absorbent paper of vertical bar type is applied to hygienic articles as absorptive core, because hygienic articles zone line transverse width is wide, cause when user dresses hygienic articles, friction is produced inside two vertical side of the edge crotches of hygienic articles zone line or leg, particularly more easily injure the tender skin of infant when wearer is in station gesture, and sense comfortable and easy to wear is not high.Simultaneously, vertical bar type composite absorbent paper of the prior art is mainly adopted as and the macromolecule of same for one species physical property is uniformly distributed in high fluffy non-woven fabrics, again in the technology of the upper layer bonding bulked paper of the fluffy non-woven fabrics of height, but the super absorbent resin amount of adding due to composite absorbent paper is larger, namely the distribution density of super absorbent resin in composite absorbent paper is higher, therefore, there is the phenomenon that colloid blocks in this technical scheme, thus occurs that fluid seepage etc. has a strong impact on the problem of use after causing super absorbent resin absorbing fluid.
For these reasons, this utility model provides a kind of absorbent sanitary product dumbbell shape composite absorbent paper, dumbbell shape structure is adopted in the region of absorbent product and user leg interior side contacts, avoid hygienic articles zone line two vertical side of the edge to the problem producing friction inside crotch or leg, simultaneously, adopt dumbbell shape structure that hygienic articles is dressed fit, make women and children or adult wear more comfortable, realize the dynamic compliance continued.
Summary of the invention
The purpose of this utility model, be exactly in order to a kind of absorbent sanitary product dumbbell shape composite absorbent paper, in the region of hygienic articles and user leg interior side contacts, the absorption carrier of hygienic articles adopts the absorbent paper of dumbbell shape structure composite, avoid hygienic articles zone line two vertical side of the edge to the problem producing friction inside crotch or leg, meanwhile, adopt dumbbell shape structure that hygienic articles is dressed fit, make women and children or adult wear more comfortable, realize the dynamic compliance continued.Meanwhile, for the characteristic of Liquid Absorption, multidomain treat-ment is carried out to composite absorbent paper and wherein distributed super absorbent resin, after avoiding super absorbent resin absorbing fluid, occur the phenomenon that colloid blocks.
In order to realize above-mentioned target, the technical solution adopted in the utility model is: a kind of absorbent sanitary product dumbbell shape composite absorbent paper, comprise absorption diffusion layer (6), intermediate absorption sandwich layer (8), lower absorption diffusion layer (9), arrange adhesive layer (7) between each layer to be composited by adhesive bonding, it is characterized in that described intermediate absorption sandwich layer (8) comprises upper epidermis (81) and layer (82), described upper epidermis (81) and layer (82) all adopt thermoplastic fibre crisscross, the fluffy fiber net that mutual winding is interwoven is base material, Super Absorbent Polymer Particles (84) is all combined with between the grid of the fluffy fiber net (83) of base material, upper epidermis (81) in intermediate absorption sandwich layer (8) and layer (82) bond successively and absorb diffusion layer (6), lower absorption diffusion layer (9) and form composite absorbent paper (1), described composite absorbent paper (1) is along the longitudinal direction by rectangular section (2,4) position is formed, continuously at longitudinal direction composite absorbent paper (1) profile dumbbell shape or analogous shape axisymmetricly and between concave section (3).
The middle part referring to two sides of cuboid object all with curve to the contraction of object longitudinal center point the face shaping of formation concave section be called dumbbell shape.Wherein, the curve forming concave section can be arc curve or broken line curve, or the curve to be made up of continuously successively arc curve, straight line and arc curve, the dumbbell shape that preferential employing arc curve is formed, after dumbbell shape composite absorbent paper level spreads out, its front projection figure is all in dumbbell shape shape or analogous shape.
Described adhesive layer (7) is hot melt adhesive layer, adopts hydrophilic to wet strong rubber.
Described upper absorption diffusion layer (6), lower absorption diffusion layer (9) are hydrophilic material, and described hydrophilic material is have the wet-strength paper compared with high wet strength, preferentially adopt the toilet paper had compared with high wet strength or bulked paper.Wherein, can adopt absorb diffusion layer (6), lower absorption diffusion layer (9) is toilet paper, or is bulked paper; Or the wherein one deck absorbing diffusion layer (6) or lower absorption diffusion layer (9) on adopting is toilet paper, another layer is bulked paper.
Dumbbell shape composite absorbent paper is by rectangular section (2 along the longitudinal direction, 4) form with concave section (3), by rectangular section (2,4) leading portion (4) and back segment (2) is divided into, leading portion (4) longitudinal length is adopted to be greater than the longitudinal length of back segment (2), leading portion (4) longitudinal length is preferably 10-20cm, and back segment (2) longitudinal length is preferably 6-15cm, and the length of curve of concave section (3) is 12-20cm.
Further, in the vertical intermediate absorption sandwich layer (8) is divided into proparea (100), mesozone (200), region, (300) three, back zone, at proparea (100), the Super Absorbent Polymer Particles (84) being combined with different physical property between back zone (300) and the grid of the fluffy fiber net (83) of mesozone (200) respectively, wherein said physical property refers to the physical attribute of super absorbent resin, comprises the absorbent properties of super absorbent resin, size etc.; The wherein scope of mesozone (200) region expanding 5-10cm respectively and formed for datum line to the front end on longitudinal direction, rear end with the transverse center of absorbent core layer.Because the distribution density of intermediate absorption sandwich layer (8) the interior super absorbent resin forming composite absorbent paper (1) is higher, easily colloid clogging is produced after absorbing fluid expands, based on this, in intermediate absorption sandwich layer (8) proparea (100), back zone (300) area preference adopts that particle diameter is little, Super Absorbent Polymer Particles that infiltration rate is fast, and adopts at mesozone (200) area preference the Super Absorbent Polymer Particles that particle diameter is large.
The beneficial effect that this utility model realizes: this utility model takes full advantage of not knitting and hot air technique advantage of loft nonwoven cloth, super absorbent resin is embedded in the network of fibers deep layer of loft nonwoven cloth structure, make super absorbent resin fully can absorb the drained liquid of human body, simultaneously, the elongated fibers forming network of fibers is dredged liquid, make its quick absorbing fluid, realize the dry-ness of skin-material simultaneously, avoid the appearance of erythema, diaper rash problem.Meanwhile, multidomain treat-ment is carried out to the distribution of super absorbent resin in composite absorbent paper, after avoiding super absorbent resin absorbing fluid, occur the phenomenon that colloid blocks, make composite absorbent paper more excellent to the diffusion of liquid, absorbent properties.Therefore, by the absorption carrier of composite absorbent paper of the present utility model mainly as hygienic articles, except possessing comparatively excellent absorption diffusion, in the region of absorbent product and user leg interior side contacts, adopt the hygienic articles of dumbbell shape composite absorbent paper of the present utility model, its two vertical side of the edge can be avoided the problem producing friction inside crotch or leg, namely adopt the hygienic articles of dumbbell shape composite absorbent paper that user is dressed more fit, wear more comfortable, realize the dynamic compliance continued.It is more simple that this utility model not only realizes technique, and avoid the waste of material, has good economic worth and social value.
Accompanying drawing explanation
Fig. 1 is the dumbbell shape composite absorbent paper schematic diagram being made up of concave section continuous arc sigmoid curves.
Fig. 2 is the dumbbell shape composite absorbent paper schematic diagram being made up of concave section arc curve, straight line.
Fig. 3 is the dumbbell shape composite absorbent paper schematic diagram being made up of concave section continuous broken line.
Fig. 4 is the A-A cross section schematic diagram of dumbbell shape composite absorbent paper.
Fig. 5 is intermediate absorption sandwich layer subregion schematic diagram.
In figure, 1 is dumbbell shape composite absorbent paper, 2 is dumbbell shape composite absorbent paper back segments, 3 is dumbbell shape composite absorbent paper concave sections, 4 is dumbbell shape composite absorbent paper leading portions, 6 is upper absorption diffusion layers, and 7 is adhesive layers, and 8 is intermediate absorption sandwich layers, 9 is lower absorption diffusion layers, 81 is upper epidermis of intermediate absorption sandwich layer, and 82 is layer of intermediate absorption sandwich layer, and 83 is fluffy fiber nets, 84 is Super Absorbent Polymer Particles, 100 is propareas of intermediate absorption sandwich layer, and 200 is mesozones of intermediate absorption sandwich layer, and 300 is back zones of intermediate absorption sandwich layer.
Detailed description of the invention
Further understand to do this utility model, as follows to term definition in literary composition:
Term " hygienic articles " refers to the article of the Excreta (urine, feces, menses) for absorbing and hold people, belong to disposable sanitary articles, namely hygienic articles absorbing fluid does not re-use after being tending towards saturated or containing the excessive things such as feces class, and enters the article of garbage reclamation processing system.
After term " vertical bar type composite absorbent paper " refers to that composite absorbent paper level spreads out, its front projection figure rectangular in shape.
Term " dumbbell shape ", is commonly called as " 8 font ", the middle part referring to two sides of cuboid object all with curve to object longitudinal center's point shrink the face shaping of formation concave section.Wherein, the curve forming concave section can be arc curve or broken line curve, or the curve be made up of continuously successively arc curve, straight line and arc curve, the preferential dumbbell shape adopting arc curve to form.After " dumbbell shape composite absorbent paper " refers to that composite absorbent paper level spreads out, its front projection figure is all in dumbbell shape shape or analogous shape.
Term " wet-strength paper " still has the paper of definite shape and intensity after referring to refer in particular to absorbing fluid, as bulked paper, toilet paper etc.
Term " leading portion ", " back segment " mainly refer to using dumbbell shape composite absorbent paper as the relative position of the absorbent sanitary product of absorptive core when user uses, namely at absorbent sanitary product by under using state, the region be positioned at before user is leading portion, and to be positioned at user region be below back segment.
Embodiment 1
Further understanding to do this utility model, now by reference to the accompanying drawings it being explained.
As accompanying drawing 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of absorbent sanitary product dumbbell shape composite absorbent paper of the present utility model, comprise absorption diffusion layer (6), intermediate absorption sandwich layer (8), lower absorption diffusion layer (9), arrange adhesive layer (7) between each layer to be composited by adhesive bonding, described intermediate absorption sandwich layer (8) comprises upper epidermis (81) and layer (82), described upper epidermis (81) and layer (82) all adopt thermoplastic fibre crisscross, the fluffy fiber net that mutual winding is interwoven is base material, Super Absorbent Polymer Particles (84) is all combined with between the grid of the fluffy fiber net (83) of base material, upper epidermis (81) in intermediate absorption sandwich layer (8) and layer (82) bond successively and absorb diffusion layer (6), lower absorption diffusion layer (9) and form composite absorbent paper (1), described composite absorbent paper (1) is along the longitudinal direction by rectangular section (2,4) position is formed, continuously at longitudinal direction composite absorbent paper (1) profile dumbbell shape or analogous shape axisymmetricly and between concave section (3).Wherein, by rectangular section (2,4) leading portion (4) and back segment (2) is divided into, described leading portion (4) and back segment (2) longitudinal length can be equal or not etc., preferential employing leading portion (4) longitudinal length is greater than back segment (2) longitudinal length, leading portion (4) longitudinal length is preferably 10-20cm, and back segment (2) longitudinal length is preferably 6-15cm.
As shown in Figure 5, in the vertical intermediate absorption sandwich layer (8) is divided into proparea (100), mesozone (200), region, (300) three, back zone, in the proparea (100) of intermediate absorption sandwich layer, the Super Absorbent Polymer Particles being combined with different physical property between back zone (300) and the grid of the fluffy fiber net of mesozone (200) respectively.Wherein, in intermediate absorption sandwich layer (8) proparea (100), back zone (300) area preference adopts that particle diameter is little, Super Absorbent Polymer Particles that infiltration rate is fast, and adopts at mesozone (200) area preference the Super Absorbent Polymer Particles that particle diameter is large.
Embodiment 2
Follow these steps to obtain a kind of absorbent sanitary product dumbbell shape composite absorbent paper of the present utility model:
Step one: the preparation of material, selection grammes per square metre is the oleo stock wood coloured paper of 18-26g, grammes per square metre is hot blast fluff type non-weaving cloth and the fluffy fiber net of the present invention (83) of 45-60g, hydrophilic wets heat-flash melten gel, expanded dust-free paper or toilet paper, super absorbent resin etc., and above-mentioned coiled material is positioned on anti-spool, regulate anti-roll, winding tension, super absorbent resin is poured into successively in the first hopper and the second hopper that end opening is provided with distributor (dispenser).
Step 2: the enforcement of combination process, the upper epidermis of fluffy fiber net is delivered to the below of the first hopper distributor by spool, by the distributor under hopper, Super Absorbent Polymer Particles is sprayed on fibroreticulate upper epidermis, Super Absorbent Polymer Particles is made to go deep into web interior by vibrations technique, between the grid of embedding fluffy fiber net, to after wherein gluing process is carried out on a surface of bulked paper, by spool, the upper epidermis of the coated face of bulked paper and fluffy fiber net is carried out compound; According to above-mentioned technique, the layer of fluffy fiber net is carried out the spraying of super absorbent resin by the below that spool is delivered to the second hopper distributor, and the layer of the coated face of toilet paper and fluffy fiber net is carried out Combined Processing, carry out cutting process simultaneously, obtain the composite absorbent paper of vertical bar type.
Step 3: the enforcement of dumbbell shape technique, the composite absorbent paper that step 2 compound is good is installed and is fixed on the anti-spool of special equipment, arc cutter place is delivered to by running roller, through cutting knife processed and molding, obtain a kind of absorbent sanitary product dumbbell shape composite absorbent paper of the present utility model.
Embodiment 3
Square grammes per square metre of absorbent sanitary product dumbbell shape composite absorbent paper of the present utility model is 200-400g/m
2, intercept respectively and be of a size of 10cm × 10cm, grammes per square metre is 200g/m
2, 300g/m
2, 400g/m
2sample be soaked in 30min in the normal saline of 0.9% completely, the absorbency scope of sample is 40-90g/g, and water conservation multiplying power is 20-40g/g.
Although this utility model describes concrete case study on implementation; but; scope of the present utility model is not limited to above-mentioned specific embodiment, when not departing from this utility model essence, all falls into protection domain of the present utility model to various modification of the present utility model, change and replacement.
Claims (7)
1. an absorbent sanitary product dumbbell shape composite absorbent paper, comprise absorption diffusion layer (6), intermediate absorption sandwich layer (8), lower absorption diffusion layer (9), arrange adhesive layer (7) between each layer to be composited by adhesive bonding, it is characterized in that: intermediate absorption sandwich layer (8) comprises upper epidermis (81) and layer (82), described upper epidermis (81) and layer (82) all adopt thermoplastic fibre crisscross, the fluffy fiber net base material that mutual winding is interwoven, Super Absorbent Polymer Particles (84) is all combined with between the grid of fluffy fiber net base material (83), bond successively in upper epidermis (81) and the layer (82) of described intermediate absorption sandwich layer (8) and absorb diffusion layer (6), lower absorption diffusion layer (9) and the composite absorbent paper (1) that forms, described composite absorbent paper (1) is along the longitudinal direction by rectangular section (2,4) position is formed, continuously at longitudinal direction composite absorbent paper (1) profile dumbbell shape axisymmetricly and between concave section (3).
2. a kind of absorbent sanitary product dumbbell shape composite absorbent paper according to claim 1, is characterized in that: described adhesive layer (7) to wet strong rubber layer for hydrophilic.
3. a kind of absorbent sanitary product dumbbell shape composite absorbent paper according to claim 1, is characterized in that: described upper absorption diffusion layer (6), lower absorption diffusion layer (9) are hydrophilic material.
4. a kind of absorbent sanitary product dumbbell shape composite absorbent paper according to claim 3, is characterized in that: described hydrophilic material is have the wet-strength paper compared with high wet strength.
5. a kind of absorbent sanitary product dumbbell shape composite absorbent paper according to claim 1, it is characterized in that: dumbbell shape composite absorbent paper is by rectangular section (2 along the longitudinal direction, 4) form with concave section (3), by rectangular section (2,4) be divided into leading portion (4) and back segment (2), described leading portion (4) and back segment (2) longitudinal length can be equal or not etc.
6. a kind of absorbent sanitary product dumbbell shape composite absorbent paper according to claim 5, it is characterized in that: adopt leading portion (4) longitudinal length to be greater than back segment (2) longitudinal length, leading portion (4) longitudinal length is preferably 10-20cm, and back segment (2) longitudinal length is preferably 6-15cm.
7. a kind of absorbent sanitary product dumbbell shape composite absorbent paper according to claim 1 or 5, is characterized in that: the length of curve of concave section (3) is 12-20cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542393.9U CN204971911U (en) | 2015-07-24 | 2015-07-24 | Absorptivity health is compound paper that absorbs water of dumbbell shape for goods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542393.9U CN204971911U (en) | 2015-07-24 | 2015-07-24 | Absorptivity health is compound paper that absorbs water of dumbbell shape for goods |
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| CN204971911U true CN204971911U (en) | 2016-01-20 |
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| CN201520542393.9U Expired - Fee Related CN204971911U (en) | 2015-07-24 | 2015-07-24 | Absorptivity health is compound paper that absorbs water of dumbbell shape for goods |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662732A (en) * | 2016-03-17 | 2016-06-15 | 泉州市汉威机械制造有限公司 | Absorbing core body |
| CN105877927A (en) * | 2016-03-31 | 2016-08-24 | 无锡爱米克斯无纺科技有限公司 | Hydrophilic baby diaper |
| CN107320763A (en) * | 2017-05-03 | 2017-11-07 | 天津市娇柔卫生制品有限公司 | A kind of ventilative absorptive core with healthcare function and preparation method thereof |
| CN109106513A (en) * | 2018-06-26 | 2019-01-01 | 瑞光（上海）电气设备有限公司 | A kind of composite absorption core |
| CN112153953A (en) * | 2018-09-04 | 2020-12-29 | 花王株式会社 | Pad type absorbent article |
| CN115590684A (en) * | 2021-07-12 | 2023-01-13 | 法麦凯尼柯数据股份公司（It） | Double-core absorptive sanitary article and production method thereof |
-
2015
- 2015-07-24 CN CN201520542393.9U patent/CN204971911U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662732A (en) * | 2016-03-17 | 2016-06-15 | 泉州市汉威机械制造有限公司 | Absorbing core body |
| CN105662732B (en) * | 2016-03-17 | 2019-04-30 | 泉州市汉威机械制造有限公司 | A kind of absorptive core |
| CN105877927A (en) * | 2016-03-31 | 2016-08-24 | 无锡爱米克斯无纺科技有限公司 | Hydrophilic baby diaper |
| CN107320763A (en) * | 2017-05-03 | 2017-11-07 | 天津市娇柔卫生制品有限公司 | A kind of ventilative absorptive core with healthcare function and preparation method thereof |
| CN109106513A (en) * | 2018-06-26 | 2019-01-01 | 瑞光（上海）电气设备有限公司 | A kind of composite absorption core |
| CN109106513B (en) * | 2018-06-26 | 2021-08-06 | 瑞光（上海）电气设备有限公司 | Composite absorption core |
| CN112153953A (en) * | 2018-09-04 | 2020-12-29 | 花王株式会社 | Pad type absorbent article |
| CN112153953B (en) * | 2018-09-04 | 2022-03-15 | 花王株式会社 | Pad type absorbent article |
| CN115590684A (en) * | 2021-07-12 | 2023-01-13 | 法麦凯尼柯数据股份公司（It） | Double-core absorptive sanitary article and production method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210724 |