CN219896148U - Composite core and absorbing article - Google Patents
Composite core and absorbing article Download PDFInfo
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- CN219896148U CN219896148U CN202223048940.7U CN202223048940U CN219896148U CN 219896148 U CN219896148 U CN 219896148U CN 202223048940 U CN202223048940 U CN 202223048940U CN 219896148 U CN219896148 U CN 219896148U
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- core
- wood pulp
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- water
- composite core
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- 239000002131 composite material Substances 0.000 title claims abstract description 65
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000010521 absorption reaction Methods 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000002250 absorbent Substances 0.000 claims abstract description 20
- 230000002745 absorbent Effects 0.000 claims abstract description 15
- 230000002209 hydrophobic effect Effects 0.000 claims description 19
- 238000005253 cladding Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 89
- 239000011247 coating layer Substances 0.000 abstract description 19
- 239000004744 fabric Substances 0.000 abstract description 17
- 150000001875 compounds Chemical group 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 238000005213 imbibition Methods 0.000 abstract description 3
- 230000009102 absorption Effects 0.000 description 39
- 239000004698 Polyethylene Substances 0.000 description 22
- 238000001223 reverse osmosis Methods 0.000 description 14
- -1 polyethylene Polymers 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 11
- 239000012466 permeate Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009103 reabsorption Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920000247 superabsorbent polymer Polymers 0.000 description 1
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The present disclosure relates to a composite core and an absorbent article, the composite core comprising, in order from top to bottom: the upper coating layer, the first water-absorbing layer, the fluffy cloth layer, the second water-absorbing layer and the lower coating layer also comprise a wood pulp core, wherein the upper part of the wood pulp core is of an arc-shaped structure with the middle protruding upwards and is used for dispersing liquid towards two sides; the wood pulp core is arranged in the middle of the width direction of the first water absorption layer, and the upper surface of the wood pulp core is at least partially exposed out of the first water absorption layer; also relates to an absorbent article comprising the composite core; through set up the wood pulp core in the first layer that absorbs water and highly reduce the curved surface towards both sides in the middle of the upper portion design of wood pulp core, help liquid to both sides diffusion, promote the rate of utilization of compound core both sides, make the compound core imbibition everywhere even, improve the whole volume of absorbing of compound core, and then improve the effective rate of utilization of compound core, promote the effect of absorbing water of absorbing articles for use, and then promote the user experience of wearer.
Description
Technical Field
The present disclosure relates to the technical field of absorbent articles, and in particular, to a composite core and an absorbent article.
Background
CN206630777U discloses a composite core, which comprises an upper layer sheet, an intermediate layer fluffy sheet, an absorption structure and a lower layer sheet from top to bottom in sequence, wherein upper layer water-absorbing particles are arranged between the upper layer sheet and the intermediate layer fluffy sheet, lower layer water-absorbing particles are arranged between the absorption structure and the intermediate layer fluffy sheet, and the quality of the lower layer water-absorbing particles is higher than that of the upper layer water-absorbing particles, so that liquid can quickly infiltrate downwards; it still has the following drawbacks:
in order to ensure comfort, the composite core body is often manufactured into a plane shape during manufacturing; however, when in use, liquid is usually diffused from the middle part of the composite core body to two sides, if each layer of the composite core body is a layer of plane, two sides of the core body cannot fully play the role of the composite core body, and only after the middle part of the core body fully absorbs the liquid, the liquid can be diffused to two sides for reabsorption, so that the utilization rate of two sides of the composite core body is lower, the liquid absorption of the core body is uneven, the overall absorption amount is lower, the effective utilization rate of the composite core body is lower, and further reverse osmosis is easy to occur in the middle part of the composite core body when the liquid amount is larger, and the experience of a wearer is influenced.
Disclosure of Invention
In order to solve the problems in the prior art, an object of the present disclosure is to provide a composite core and an absorbent article, so as to improve the effective utilization rate of the composite core and the use experience of a wearer.
The utility model discloses a composite core, composite core includes from last down in proper order: the upper coating layer, the first water-absorbing layer, the fluffy cloth layer, the second water-absorbing layer and the lower coating layer also comprise a wood pulp core, wherein the upper part of the wood pulp core is of an arc-shaped structure with the middle protruding upwards and is used for dispersing liquid towards two sides; the wood pulp core is arranged in the middle of the width direction of the first water absorption layer, and the upper surface of the wood pulp core is at least partially exposed out of the first water absorption layer.
Preferably, the lower part of the wood pulp core is a zigzag structure, and the zigzag structure comprises a plurality of tooth-shaped protrusions and tooth-shaped grooves which are alternately distributed along the width direction of the wood pulp core.
Preferably, the composite core further comprises a hydrophobic film, wherein the hydrophobic film is coated on the upper surface of the composite core, and a plurality of rows of water seepage holes are formed in the hydrophobic film at intervals along the width direction of the hydrophobic film.
Preferably, the same row of water seepage holes on the hydrophobic film have the same aperture; the aperture of one row of water seepage holes in the middle of the hydrophobic membrane is minimum, and the apertures of a plurality of rows of water seepage holes are increased to two sides row by row along the width direction of the hydrophobic membrane.
Preferably, the aperture of the water seepage hole is smaller than or equal to 2mm.
Preferably, the composite core further comprises a wood pulp layer, wherein the wood pulp layer is filled between the upper coating layer and the first water absorption layer, and the upper surface of the wood pulp layer is flat.
Preferably, the first water-absorbing layer and the second water-absorbing layer each comprise a super absorbent resin; the thickness of the first water-absorbing layer is smaller than that of the second water-absorbing layer.
Preferably, the upper cladding layer and the lower cladding layer each comprise dust-free paper.
An absorbent article according to the present disclosure includes the composite core described above.
The composite core body disclosed by the disclosure has the advantages that:
the middle part at the first layer that absorbs water increases a wood pulp core, and the upper portion of wood pulp core is the centre and highly reduces the arc towards both sides gradually to the wood pulp core exposes first layer that absorbs water at least partially, and then when making liquid infiltration to wood pulp core department, liquid can be along the curved surface of wood pulp core to both sides diffusion, and then improves the rate of utilization of the compound core of both sides, makes the compound core imbibition everywhere even, improves the whole absorption capacity of compound core, and then improves the holistic effective utilization ratio of compound core, and then reduces the volume of compound core, improves the user experience of wearer.
Drawings
FIG. 1 is a cross-sectional view of a composite core according to the present disclosure;
FIG. 2 is an expanded view of the upper surface hydrophobic membrane of the wood pulp core.
Reference numerals illustrate: 1-upper coating layer, 2-wood pulp layer, 3-wood pulp core, 4-first water absorption layer, 5-fluffy cloth layer, 6-second water absorption layer, 7-lower coating layer, 8-hydrophobic film and 81-water seepage hole.
Detailed Description
As shown in fig. 1, a composite core according to the present disclosure includes, in order from top to bottom: an upper coating layer 1, a wood pulp layer 2, a wood pulp core 3, a first water absorbing layer 4, a fluffy cloth layer 5, a second water absorbing layer 6 and a lower coating layer 7;
the upper part of the wood pulp core 3 is of an arc-shaped structure with the middle protruding upwards, and the upper part of the wood pulp core 3 is of an arc shape with the middle high and the two low sides in the width direction of the composite core body, and can be of an arc shape or an elliptical arc shape; the wood pulp core 3 is arranged in the middle of the first water absorption layer 4, the upper surface of the wood pulp core 3 at least partially exposes out of the first water absorption layer 4, and as the upper part of the wood pulp core 3 is of an arc structure with high middle and low two sides, the upper coating layer 1 coats the exposed part of the wood pulp core 3, so that one part of the middle of the whole composite core body is convex, the upper coating layer 1 has quite balanced water permeability and water repellency, when liquid passes through the upper coating layer 1, the upper coating layer 1 can play a role of guiding the liquid to flow to two sides to a certain extent, so that when the liquid permeates into the wood pulp core 3 from the upper coating layer 1, part of the liquid permeates from two sides of the wood pulp core 3 and then continuously permeates down to the first water absorption layer 4;
the middle part at the first water-absorbing layer 4 sets up wood pulp core 3 to set up the upper portion of wood pulp core 3 into the middle arc structure that upwards protrudes, make upper cladding layer 1 also form the arc that upwards protrudes when the cladding, and then help wood pulp core 3 guide liquid to both sides flow, and then improve the rate of utilization of compound core both sides, make compound core everywhere imbibition even, and then improve the effective rate of utilization of compound core, promoted the whole volume of absorbing of compound core, and then reduced the volume of compound core, promoted the user experience of wearer.
Further, the wood pulp core 3 is arranged in the middle of the first water absorbing layer 4, the bottom of the wood pulp core 3 is contacted with the fluffy cloth layer 5, if the lower part of the wood pulp core 3 keeps the same shape as the upper part or other conventional shapes, the bottom of the whole wood pulp core 3 is attached to the fluffy cloth layer 5, namely, the contact between the bottom of the wood pulp core 3 and the fluffy cloth layer 5 is surface contact, when reverse osmosis occurs, reverse osmosis liquid directly permeates from the bottom of the wood pulp core 3 to the upper coating layer 1, and the experience of a wearer is influenced;
therefore, the lower part of the wood pulp core 3 is designed into a zigzag structure, the zigzag structure comprises a plurality of tooth-shaped bulges and tooth-shaped grooves which are alternately distributed along the width direction of the wood pulp core 3, the contact between the bottom of the wood pulp core 3 and the fluffy cloth layer 5 is point contact, meanwhile, due to the zigzag design, a certain space is reserved at the bottom of the wood pulp core 3 due to the tooth-shaped bulges, and further, when reverse osmosis occurs, reverse osmosis liquid has a certain buffer space, and simultaneously, the reverse osmosis liquid is acted by gravity, the liquid falls back towards the tips of the sawteeth in the falling process, and the pressure of the tips is larger than that of other positions under the normal condition, so that the falling liquid is accelerated to permeate downwards, and the influence caused by the reverse osmosis condition is further reduced;
the lower part of the wood pulp core 3 is designed into a zigzag shape, so that the influence caused by reverse osmosis is reduced, and the use experience of a wearer is improved; meanwhile, the diffusion speed of the liquid is increased, the utilization rate of the two sides of the composite core body is further improved, and the effective utilization rate of the composite core body is further improved.
Further, the upper surface of the wood pulp core 3 is coated with a layer of hydrophobic membrane 8, the material of the hydrophobic membrane 8 is preferably PE (polyethylene) membrane, when the liquid permeates into the upper surface of the wood pulp core 3, the liquid diffuses to two sides due to the hydrophobicity of the PE (polyethylene) membrane and the arc structure of the upper part of the wood pulp core 3, and the absorption efficiency of the two sides is improved; meanwhile, due to the hydrophobicity of the PE (polyethylene) film, when reverse osmosis occurs, reverse osmosis liquid cannot be reversely oozed out of the wood pulp core 3, so that negative effects caused by reverse osmosis are avoided;
meanwhile, holes are punched on the PE (polyethylene) film for multiple times to form a plurality of rows of water seepage holes 81 which are distributed at intervals along the width direction of the PE (polyethylene) film, so that part of liquid enters the wood pulp core 3 through the water seepage holes 81, and the wood pulp core 3 is ensured to play a role in water absorption;
further, as shown in fig. 2, the same row of water seepage holes 81 on the PE (polyethylene) film have the same pore diameter; wherein, the aperture of a row of water seepage holes 81 positioned in the middle of the PE (polyethylene) film is minimum, and the aperture of a plurality of rows of water seepage holes 81 is increased to two sides row by row along the width direction of the PE (polyethylene) film; since the pore diameter of the water penetration hole 81 near the middle of the PE (polyethylene) film is smaller, that is, the liquid penetration channel near the middle of the PE (polyethylene) film is smaller, the penetration amount is smaller; the liquid permeation channels of the two side parts of the PE (polyethylene) film are larger, so that the permeation quantity is larger; meanwhile, when the liquid permeates into the upper surface of the wood pulp core 3, the liquid flows to two sides more easily, so that the effective utilization rate of the composite core body is increased;
further, the maximum aperture of the water seepage hole 81 is smaller than or equal to 2mm, on one hand, liquid can quickly permeate into the wood pulp core through the water seepage hole 81 under the action of self gravity; on the other hand, when the liquid is reverse-permeated, the liquid which is reverse-permeated from the bottom of the wood pulp core 3 can only permeate through the water permeation holes 81, and the pore diameter of the water permeation holes 81 is set to be less than or equal to 2mm, so that the reverse-permeated liquid amount can be reduced well, and the uncomfortable feeling of a user can be reduced.
Further, as the wood pulp core 3 is partially exposed out of the first water-absorbing layer 4, when the upper cladding layer 1 is clad, the wood pulp core 3 is attached to the composite core body, so that the composite core body is not smooth enough, the middle part of the composite core body is provided with a bulge, if the operation of the composite wrapping cloth is directly carried out, the bulge is more obvious, and bad wearing experience can be brought to a user;
therefore, a wood pulp layer 2 is filled between the upper coating layer 1 and the first water absorption layer 4, so that the texture of the composite core body is smoother after the upper coating layer 1 is coated; simultaneously; use and wood pulp core 3 material unanimous smash wood pulp and fill, form wood pulp layer 2, guarantee the infiltration speed and the infiltration efficiency of liquid, when having promoted the use experience of wearer, guarantee the effective utilization ratio of compound core.
Furthermore, the water-absorbing materials adopted by the first water-absorbing layer 4 and the second water-absorbing layer 6 comprise super absorbent polymers (SAP for short), including starch (grafts, carboxymethylation, etc.), cellulose (carboxymethylation, grafts, etc.), synthetic polymer (polyacrylic acid, polyvinyl alcohol, polyoxyethylene, etc.), etc., which are optional materials of the water-absorbing layers in the utility model, meanwhile, the thickness of the first water-absorbing layer 4 is smaller than that of the second water-absorbing layer 6, and the content of the super absorbent resin representing the first water-absorbing layer 4 is smaller than that of the super absorbent resin representing the second water-absorbing layer 6, so that the super absorbent resins are distributed differently in the thickness direction, and liquid can quickly permeate into the fluffy cloth layer 5 and the second water-absorbing layer 6 through the first water-absorbing layer 4, thereby improving the absorption performance of the product and further improving the effective utilization rate of the composite core; meanwhile, the drying property of the upper wrapping layer in the composite core body is guaranteed, and the use comfort of a wearer is improved.
Further, the upper cladding layer 1 and the lower cladding layer 7 are made of dust-free paper, so that the cladding layer is free from impurities in the cladding process, the functional layer inside the composite core body can be influenced, and the sanitation of the composite core body is guaranteed.
Furthermore, the embodiment also provides an absorbent article, which can be a paper diaper, a sanitary towel or the like, and the composite core is used as the water absorption functional layer, so that on one hand, the liquid absorption effect of the absorbent article is more uniform, and the absorption capacity of the article is improved.
The manufacturing process of the composite core body disclosed by the disclosure is as follows:
placing the fluffy cloth on an operation table, adding high water absorption resin on the fluffy cloth, adhering the fluffy cloth to the high water absorption resin by using an adhesive or other conventional adhering means, coating dust-free paper on the high water absorption resin, and adhering the high water absorption resin to the dust-free paper by using the adhesive or other conventional adhering means;
turning over the bonded fluffy cloth, the high water-absorbent resin and the dust-free paper to form the lower part of the composite core body, taking the dust-free paper as a lower coating layer 7, taking the high water-absorbent resin as a second water-absorbent layer 6, then placing a wood pulp forming drum above the fluffy cloth, injecting crushed wood pulp into the wood pulp forming drum, and forming the wood pulp forming drum to form a wood pulp core 3; after the wood pulp core 3 is molded, super absorbent resin is added around the wood pulp core 3 and used as a first water-absorbing layer 4, the thickness of the first water-absorbing layer 4 is smaller than that of a second water-absorbing layer 6, meanwhile, the upper part of the wood pulp core 3 is exposed, after the bonding of the first water-absorbing layer 4 with fluffy cloth and the wood pulp core 3 is finished, crushed wood pulp is injected on the first water-absorbing layer 4, a wood pulp layer 2 is formed after the crushed wood pulp is molded, dust-free paper is coated again to serve as an upper coating layer 1, finally, wrapping cloth is compounded, and the manufacturing of the composite core body is finished.
According to the method, the wood pulp core 3 with the upper part being the curved surface with the height gradually reduced from the middle to the two sides is arranged in the first water absorption layer 4, so that the use rate of the two sides of the composite core is improved, the liquid absorption of the composite core is uniform everywhere, the overall absorption capacity of the composite core is improved, the effective use rate of the composite core is further improved, the volume of the composite core is further reduced, and the use experience of a wearer is improved;
the lower part of the wood pulp core 3 is designed into a zigzag shape, so that the influence caused by reverse osmosis is reduced, and the use experience of a wearer is improved; meanwhile, the diffusion speed of the liquid is increased, the utilization rate of the two sides of the composite core body is further improved, and the effective utilization rate of the composite core body is further improved.
The upper surface of the wood pulp core 3 is coated with a layer of hydrophobic membrane 8, so that the speed of diffusing liquid from the curved surface of the wood pulp core 3 to two sides is increased, and the absorption efficiency of two sides of the composite core is further improved; meanwhile, negative effects caused by reverse osmosis are avoided;
by punching water seepage holes 81 on the hydrophobic membrane 8 and setting the pore diameters at corresponding positions, the water absorption function of the wood pulp core 3 is exerted while the liquid is ensured to diffuse towards two sides;
the rationality of the water seepage holes 81 is ensured by setting specific aperture values of the water seepage holes 81 on the hydrophobic membrane 8;
the wood pulp layer 2 is added to the protruding part of the wood pulp core 3, so that the composite core body is flat and unobtrusive as a whole after being wrapped, and the use experience of a wearer is ensured;
the water absorption efficiency of the composite core body is ensured by selecting proper materials to manufacture the first water absorption layer 4 and the second water absorption layer 6 and determining the thickness relation between the first water absorption layer 4 and the second water absorption layer 6;
the dust-free paper is selected as the material of the upper wrapping layer and the lower wrapping layer, so that the composite core body is prevented from being polluted by impurities when being finally wrapped;
the composite core body is further applied to the absorption articles such as paper diapers and sanitary napkins, so that the liquid absorption of the core body in the absorption articles is uniform all over, reverse osmosis is reduced, the water absorption effect of the absorption articles is improved, and the use experience of a wearer is improved.
In the description of the present disclosure, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present disclosure and simplify the description, and without being otherwise described, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be configured and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present disclosure.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the utility model as defined in the claims.
Claims (9)
1. A composite core body sequentially comprises the following components from top to bottom: the wood pulp machine is characterized by further comprising a wood pulp core, wherein the upper part of the wood pulp core is of an arc-shaped structure with the middle protruding upwards and is used for dispersing liquid to two sides; the wood pulp core is arranged in the middle of the width direction of the first water absorption layer, and the upper surface of the wood pulp core is at least partially exposed out of the first water absorption layer.
2. The composite core according to claim 1, wherein the wood pulp core has a zigzag structure at a lower portion thereof, the zigzag structure comprising a plurality of tooth-shaped protrusions and tooth-shaped grooves alternately distributed in a width direction of the wood pulp core.
3. The composite core according to claim 2, further comprising a hydrophobic film, wherein the hydrophobic film is coated on the upper surface of the composite core, and a plurality of rows of water seepage holes are formed on the hydrophobic film and are arranged at intervals along the width direction of the hydrophobic film.
4. A composite core according to claim 3, wherein the apertures of a plurality of said water permeable holes of the same column are equal; the aperture of one row of water seepage holes in the middle of the hydrophobic membrane is minimum, and the apertures of a plurality of rows of water seepage holes are increased to two sides row by row along the width direction of the hydrophobic membrane.
5. The composite core of claim 4, wherein the water permeable pores have a pore size of less than or equal to 2mm.
6. The composite core of claim 4, further comprising a wood pulp layer, wherein the wood pulp layer is filled between the upper cladding layer and the first absorbent layer, and wherein an upper surface of the wood pulp layer is planar.
7. The composite core of claim 1, wherein the first water-absorbent layer and the second water-absorbent layer each comprise a superabsorbent resin; the thickness of the first water-absorbing layer is smaller than that of the second water-absorbing layer.
8. The composite core of claim 1, wherein the upper cladding layer and the lower cladding layer are both dust free papers.
9. An absorbent article comprising the composite core of any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223048940.7U CN219896148U (en) | 2022-11-16 | 2022-11-16 | Composite core and absorbing article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223048940.7U CN219896148U (en) | 2022-11-16 | 2022-11-16 | Composite core and absorbing article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219896148U true CN219896148U (en) | 2023-10-27 |
Family
ID=88426453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223048940.7U Active CN219896148U (en) | 2022-11-16 | 2022-11-16 | Composite core and absorbing article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219896148U (en) |
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2022
- 2022-11-16 CN CN202223048940.7U patent/CN219896148U/en active Active
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Effective date of registration: 20240424 Address after: Unit 102, Building 8, No. 199 Guangming South Road, Shiqiao Street, Panyu District, Guangzhou City, Guangdong Province, 511400 Patentee after: GUANGZHOU TEDDY BEAR BABY PRODUCTS CO.,LTD. Country or region after: China Address before: 510800 No. 79, West pingbu Avenue, Huadu District, Guangzhou, Guangdong Patentee before: GUANGZHOU HANSHI HYGIENIC PRODUCTS Co.,Ltd. Country or region before: China |