CN116807749A - Breast pad without corner sealing part - Google Patents
Breast pad without corner sealing part Download PDFInfo
- Publication number
- CN116807749A CN116807749A CN202211735525.0A CN202211735525A CN116807749A CN 116807749 A CN116807749 A CN 116807749A CN 202211735525 A CN202211735525 A CN 202211735525A CN 116807749 A CN116807749 A CN 116807749A
- Authority
- CN
- China
- Prior art keywords
- top sheet
- breast pad
- patch
- notch
- shaping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000481 breast Anatomy 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 title abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 24
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 abstract description 12
- 239000002861 polymer material Substances 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000004745 nonwoven fabric Substances 0.000 description 10
- 238000003466 welding Methods 0.000 description 7
- 238000010924 continuous production Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 239000005871 repellent Substances 0.000 description 5
- 238000005304 joining Methods 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004251 human milk Anatomy 0.000 description 1
- 235000020256 human milk Nutrition 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/14—Bandages or dressings; Absorbent pads specially adapted for the breast or abdomen
- A61F13/141—Milk breast pads
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Corsets Or Brassieres (AREA)
Abstract
The application relates to a breast pad without corner sealing parts, which comprises a top sheet, a water absorption layer and a bottom sheet which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer and form a wrap; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; the central line of the notch is taken as a fold line, the inclusion is folded in half towards one side of the top sheet, then the folded shaping paste is arranged at the notch on the inner side of the top sheet, the folded part of the shaping paste is adjacent to the central line and is arranged between the folded part of the shaping paste and the central line, and then the shaping paste is fixed on the top sheet, so that the shaping paste stretches across the notch when the breast pad is unfolded, and the breast pad is bowl-shaped. The breast pad has no corner sealing part, and the problem that the corner sealing part is easy to damage or scratch the skin when the product of the corresponding technology is used is avoided. The shaping paste has a reinforcing effect on the notch of the top sheet, so that the notch can be prevented from being torn due to overlarge force when a user unfolds the product, and the leakage of the high polymer material is avoided.
Description
Technical Field
The application relates to the technical field of sanitary products, in particular to a breast pad without corner sealing parts.
Background
Prior art 1: patent document CN101299936a discloses providing a breast milk pad. The breathable waterproof sheet is formed by laminating a breathable waterproof sheet, a top sheet and an absorber arranged between the top sheet and the breathable waterproof sheet, wherein the top sheet and the breathable waterproof sheet are joined at peripheral edge parts, cut-out parts are respectively formed at positions opposite to each other in the peripheral edge parts, and the top sheet and the breathable waterproof sheet are joined inside the cut-out parts; the joining portion is formed by folding the top sheet along a folding line connecting the facing cut portions so that the top sheet becomes an inner surface, and joining the inner surfaces of the top sheet overlapping each other in the cut portions in the folded state.
The above-mentioned prior art 1 has the disadvantages: after the materials of the layers in the cut parts are bonded and molded, the formed bonded parts (namely the corner sealing parts) have high hardness and are relatively brittle, are easy to break and scratch the skin when in use.
Prior art 2: patent document CN216933734U discloses a breast pad with good corner seal flexibility, comprising a top sheet, a water-absorbing layer and a bottom sheet which are laminated in sequence; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer and form a wrap; the outer side of the bottom sheet is provided with a breathable water-repellent film for preventing liquid from penetrating; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; the top sheet and the bottom sheet are symmetrical in appearance and dimension, and openings corresponding to the notch positions are also formed in the top sheet and the bottom sheet; and after the inclusion is folded towards one side of the top sheet by taking the central line of the notch as a folding line, the air permeable and water repellent films attached to the opening are joined to form a joint part (namely a corner seal part). The corner seal is formed by joining only the breathable water repellent film.
The above-mentioned prior art 2 has the disadvantages: the corner seal is formed by joining only the breathable water-repellent film, and is easy to break during use, thereby causing leakage of the polymer material.
How to provide a breast pad without corner sealing parts and with better reliability is a technical problem to be solved in the field.
Disclosure of Invention
The technical problem to be solved by the application is to provide the breast pad without the corner sealing part, which has a simple structure and better reliability.
In order to solve the problems, the application provides a breast pad, which comprises a top sheet for liquid permeation, a water absorption layer for absorbing liquid and a bottom sheet for ventilation and water repellency, which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer and form a wrap; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; the central line of the notch is taken as a fold line, the inclusion is folded in half towards one side of the top sheet, then the folded shaping paste is arranged at the notch on the inner side of the top sheet, the folded part of the shaping paste is adjacent to the central line and is arranged between the folded part of the shaping paste and the central line, and then the shaping paste is fixed (by adopting modes of bonding, ultrasonic welding, thermal welding or the like) on the top sheet, so that the shaping paste spans across the notch when the breast pad is unfolded, and the breast pad is bowl-shaped. The breast pad corner-free sealing part avoids the occurrence of the condition that the corner-free sealing part is damaged or the skin is scratched in the use process of the product.
Preferably, the shaping paste is a non-woven fabric. Further preferably, the shaping patch is annular, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet when the breast pad is unfolded; it is further preferred that the portion of the shaped patch adjacent to the notch is not attached to the topsheet.
In order to solve the above problems, the present application also provides a second type of breast pad comprising a top sheet for liquid permeation, a water-absorbing layer for absorbing liquid, and a bottom sheet for air permeation and water repellency, which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer and form a wrap; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; placing the inclusion on the cambered surface of a negative pressure adsorption wheel with a V-shaped groove, enabling the center line of each notch to correspond to the center line of the V-shaped groove, folding the inclusion to a part on one side of the top sheet to form a V shape under the action of negative pressure adsorption, and fixing the shaping paste (adopting modes of bonding, ultrasonic welding, thermal welding or the like) on the top sheet and crossing each notch so as to enable the breast pad to form a bowl shape when being unfolded. Preferably, the shaping paste is a non-woven fabric. Further preferably, the shaping patch is annular, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet when the breast pad is unfolded; it is further preferred that the portion of the shaped patch adjacent to the notch is not attached to the topsheet.
In order to solve the above problems, the present application also provides a third pad comprising a top sheet for liquid permeation, a water-absorbent layer for absorbing liquid, and a bottom sheet for air permeation and water repellency, which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer and form a wrap; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; paving one side of a bottom plate of the inclusion on a groove, and enabling the central line of the notch to correspond to the central line of the groove vertically; the part of the inclusion adjacent to the center line of the notch is pressed into the notch through the cooperation of the pressing wheel and the notch, then the shaping paste is arranged at the notch on the top sheet, and the shaping paste is fixed (in a bonding mode, an ultrasonic welding mode, a thermal welding mode or the like) on the top sheet, so that the shaping paste spans across the notch when the breast pad is unfolded, and the breast pad is bowl-shaped. The shaping patch is non-woven fabric, the shaping patch is annular, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet when the breast pad is unfolded; it is further preferred that the portion of the shaped patch adjacent to the notch is not attached to the topsheet.
In order to solve the above problems, the present application also provides a fourth pad comprising a top sheet for liquid permeation, a water-absorbent layer for absorbing liquid, and a bottom sheet for air permeation and water repellency, which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer and form a wrap; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; the shaping paste stretches across the notch of the top sheet, and the setting position and the size of the shaping paste are suitable for enabling the breast pad to be bowl-shaped when being unfolded. The shaping patch is non-woven fabric, is bonded or ultrasonically welded or thermally welded on the top sheet, is annular, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet when the breast pad is unfolded; it is further preferred that the portion of the shaped patch adjacent to the notch is not attached to the topsheet.
The application has the technical effects that: (1) The breast pad corner-free sealing part avoids the occurrence of the damage or the skin scratch of the corner sealing part in the using process of the product in the prior art. (2) The breast pad adopts the shaping paste to play a reinforcing role on the notch position of the top sheet, so that the notch is prevented from being torn due to overlarge force when a user expands the product, and the leakage of the high polymer material is avoided.
Drawings
The application is described in further detail below with reference to the drawings of the specification:
FIG. 1 is a schematic view showing the structure of the top surface of the breast pad in example 1;
fig. 2 is a schematic structural view of the breast pad of fig. 1 folded in half with a center line L as a folding line;
FIG. 3 is a left side view of the breast pad of FIG. 1;
FIG. 4 is a schematic view showing the arrangement of the products in the continuous production of the breast pad of example 1;
FIG. 5 is a schematic flow chart of continuous production of the breast pad in example 1;
fig. 6 shows the breast pad of example 2, with the shaped patch in the shape of a ring.
FIG. 7 is a schematic flow chart of continuous production of the breast pad in example 3;
FIG. 8 is a schematic plan view of the pad of example 4 of the present application;
FIG. 9 is a left side view of the breast pad of FIG. 8;
FIG. 10 is a schematic view showing the arrangement of the products in continuous production of the pad of example 4;
in the figure, a top sheet 1, a water absorbing layer 2, a notch 21, a central line L, a shaping sticker 3, a bottom sheet 5 and an elastic band 6.
Detailed Description
Example 1
As shown in fig. 1 to 3, the breast pad of the present embodiment comprises a top sheet 1 (generally, a nonwoven fabric is used) for liquid permeation, a water absorbing layer 2 for absorbing liquid, and a bottom sheet 5 which are sequentially laminated, wherein the outer edges of the top sheet and the bottom sheet are joined (bonded by thermal bonding molding or ultrasonic welding) to each other to wrap the water absorbing layer 2 and form a inclusion; the water absorbent layer 2 comprises a fluff pulp layer (optionally wood pulp mixed with SAP), toilet paper or nonwoven fabric symmetrically covering both sides of the fluff pulp layer.
The backsheet (i.e., PE backsheet) comprises a nonwoven fabric having a breathable water-repellent film (typically PE film) bonded to the outside thereof for preventing liquid permeation.
The edge of the water absorption layer 2 is provided with symmetrically distributed notches 21; the top sheet 1 and the bottom sheet are symmetrical in appearance and dimension and are arranged in an up-down alignment manner; the central line L of the notch 21 is taken as a fold line, the inclusion is folded in half towards one side of the top sheet, then the folded shaping patch 3 is arranged at the notch 21 on the inner side of the top sheet 1, the folded part 31 of the shaping patch 3 is adjacent to and is arranged between the central line L, and then the shaping patch 3 is bonded, or ultrasonic welded, or thermally welded on the top sheet 1, so that the shaping patch 3 spans across the notch 21 when the breast pad is unfolded, and the breast pad is bowl-shaped.
The fixing patch 3 is a non-woven fabric, and covers an area adjacent to the notch 21.
As a preferred embodiment, the portion of the shaping patch 3 adjacent to the notch 21 is not bonded to the top sheet 1, or is ultrasonically welded, or is thermally welded, so that the shaping patch 3 spans across the notch 21 in a space when the breast pad is unfolded, and has a larger ventilation space when the product is unfolded, thereby improving the comfort of use of the product and reducing the bacterial growth when the product is used.
Figures 4-5 are schematic diagrams of continuous production of breast pads; the lining layer in fig. 5 is the shaping plaster, and the lining layer is folded, namely the shaping plaster folded in half; the folded shaping paste is placed at the notch 21 on the inner side of the top sheet 1 after being cut, and then the subsequent process is finished, so that a finished product is obtained.
Example 2
As shown in fig. 6, the breast pad of the present embodiment has the following modifications with respect to embodiment 1:
the shaping patch is annular, and the outer periphery of the shaping patch is completely or partially aligned with the outer periphery of the top sheet 1 when the breast pad is unfolded, or the outer periphery of the shaping patch is smaller than the outer periphery of the top sheet 1.
Example 3
The breast pad of the present embodiment has the following modifications with respect to embodiment 1:
the breast pad of the embodiment comprises a top sheet 1 for liquid permeation, a water absorption layer 2 for absorbing liquid and a bottom sheet 5 for ventilation and water repellency which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer 2 and form a wrap; the edge of the water absorbing layer 2 is provided with one or a pair of symmetrically distributed notches 21; the package is placed on the cambered surface of a negative pressure adsorption wheel with a V-shaped groove, the center line L of each notch 21 corresponds to the center line of the V-shaped groove, the package is partially folded to form a V shape towards one side of the top sheet 1 under the action of negative pressure adsorption, and then the shaping paste is adhered, or is welded by ultrasonic waves, or is welded on the top sheet 1 by heat, and spans across each notch 21, so that the breast pad is bowl-shaped when being unfolded. The shaping paste is non-woven fabric; it is further preferred that the portion of the shaped patch adjacent to the notch is not attached to the topsheet.
Preferably, as shown in fig. 6, the shaping patch 3 is in a ring shape, and the outer periphery of the shaping patch is completely or partially aligned with the outer periphery of the top sheet 1 when the breast pad is unfolded, or the outer periphery of the shaping patch is smaller than the outer periphery of the top sheet 1.
Fig. 7 is a schematic flow chart of continuous production of the breast pad.
Example 4
The breast pad of the present embodiment has the following modifications with respect to embodiment 1:
as shown in fig. 8 to 9, the breast pad of the present embodiment comprises a top sheet 1 for liquid permeation, a water-absorbent layer 2 for absorbing liquid, and a bottom sheet 5 for ventilation and water repellency, which are laminated in this order; the outer edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbent layer 2 and form a wrap; the edge of the water absorbing layer 2 is provided with one or a pair of symmetrically distributed notches 21; laying one side of the bottom plate 5 of the inclusion on a groove, and enabling the central line L of the notch 21 to vertically correspond to the central line of the groove; the part of the inclusion adjacent to the central line L of the notch 21 is pressed into the notch by the cooperation of the pressing wheel and the notch, then the shaping paste is adhered to the notch 21 on the top sheet 1, and the shaping paste is adhered to the top sheet 1, or is welded by ultrasonic or heat, so that the shaping paste spans across the notch 21 when the breast pad is unfolded, and the breast pad is bowl-shaped. The shaping paste is non-woven fabric; it is further preferred that the portion of the shaped patch adjacent to the notch is not attached to the topsheet.
Optionally, the shaping patch is ring-shaped, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet 1 when the breast pad is unfolded.
It is apparent that the above examples are merely illustrative of the present application and are not limiting of the embodiments of the present application. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While remaining within the scope of the application, obvious variations or modifications are incorporated by reference herein.
Claims (10)
1. A breast pad comprises a top sheet (1) for liquid permeation, a water absorption layer (2) for absorbing liquid and a bottom sheet (5) for ventilation and water repellency which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are jointed with each other to wrap the water-absorbing layer (2) and form a inclusion; the edge of the water absorbing layer (2) is provided with one or a pair of symmetrically distributed notches (21);
the folding type breast pad is characterized in that a central line (L) of the notch (21) is taken as a folding line, the inclusion is folded in half towards one side of the top sheet (1), then a folded shaping patch (3) is arranged at the notch (21) on the inner side of the top sheet (1), a folding part (31) of the shaping patch (3) is adjacent to the central line (L) and is arranged between the folding part and the central line, then the shaping patch (3) is fixed on the top sheet (1), so that the shaping patch (3) stretches across the notch (21) when the breast pad is unfolded, and the breast pad is bowl-shaped.
2. The breast pad according to claim 1, characterized in that the shaped patch (3) is a nonwoven; the shaping patch (3) is adhered to the top sheet (1), or is welded by ultrasonic waves or is thermally welded; the portion of the shaped patch (3) adjacent to the notch is not connected to the top sheet.
3. A breast pad according to claim 2, wherein the shaped patch (3) is annular, the outer periphery of the shaped patch being aligned with the outer periphery of the top sheet (1) when the breast pad is deployed.
4. A breast pad comprises a top sheet (1) for liquid permeation, a water absorption layer (2) for absorbing liquid and a bottom sheet (5) for ventilation and water repellency which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are jointed with each other to wrap the water-absorbing layer (2) and form a inclusion; the edge of the water absorbing layer (2) is provided with one or a pair of symmetrically distributed notches (21);
the method is characterized in that the inclusion is placed on the cambered surface of a negative pressure adsorption wheel with a V-shaped groove, the center line (L) of each notch (21) corresponds to the position of the center line of the V-shaped groove, the inclusion is folded to be V-shaped towards one side of the top sheet (1) under the action of negative pressure adsorption, and then the shaping patch (3) is fixed on the top sheet (1) and spans across each notch (21), so that the breast pad is bowl-shaped when unfolded.
5. The breast pad according to claim 4, characterized in that the shaped patch (3) is a nonwoven; the shaping patch (3) is adhered to the top sheet (1), or is welded by ultrasonic waves or is thermally welded; the portion of the shaped patch (3) adjacent to the notch is not connected to the top sheet.
6. A breast pad according to claim 5, wherein the shaped patch (3) is annular, the outer periphery of the shaped patch being aligned with the outer periphery of the top sheet (1) when the breast pad is deployed.
7. A breast pad comprises a top sheet (1) for liquid permeation, a water absorption layer (2) for absorbing liquid and a bottom sheet (5) for ventilation and water repellency which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are jointed with each other to wrap the water-absorbing layer (2) and form a inclusion; the edge of the water absorbing layer (2) is provided with one or a pair of symmetrically distributed notches (21);
the method is characterized in that one side of a bottom plate (5) of the inclusion is paved on a groove, and the central line (L) of the notch (21) corresponds to the central line of the groove vertically;
the part of the inclusion, which is adjacent to the central line (L) of the notch (21), is pressed into the notch through the cooperation of the pressing wheel and the notch, then the shaping patch (3) is arranged at the notch (21) on the top sheet (1), and the shaping patch (3) is fixed on the top sheet (1), so that the shaping patch (3) spans across the notch (21) when the breast pad is unfolded, and the breast pad is bowl-shaped.
8. The breast pad according to claim 7, characterized in that the shaped patch (3) is a nonwoven, the shaped patch (3) being bonded, or ultrasonically welded, or thermally welded to the top sheet (1); the shaping patch (3) is annular, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet (1) when the breast pad is unfolded; the portion of the shaped patch (3) adjacent to the notch is not connected to the top sheet.
9. A breast pad comprises a top sheet (1) for liquid permeation, a water absorption layer (2) for absorbing liquid and a bottom sheet (5) for ventilation and water repellency which are sequentially laminated; the outer edges of the top sheet and the bottom sheet are jointed with each other to wrap the water-absorbing layer (2) and form a inclusion; the edge of the water absorbing layer (2) is provided with one or a pair of symmetrically distributed notches (21);
the breast pad is characterized in that the shaping patch (3) stretches across the notch (21) of the top sheet (1), and the setting position and the size of the shaping patch (3) are suitable for enabling the breast pad to be bowl-shaped when being unfolded.
10. The breast pad according to claim 9, characterized in that the shaping patch (3) is a nonwoven, the shaping patch (3) is bonded, or ultrasonically welded, or thermally welded to the top sheet (1), the shaping patch (3) is ring-shaped, and the outer periphery of the shaping patch is aligned with the outer periphery of the top sheet (1) when the breast pad is unfolded; the portion of the shaped patch (3) adjacent to the notch is not connected to the top sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735525.0A CN116807749A (en) | 2022-12-31 | 2022-12-31 | Breast pad without corner sealing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735525.0A CN116807749A (en) | 2022-12-31 | 2022-12-31 | Breast pad without corner sealing part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116807749A true CN116807749A (en) | 2023-09-29 |
Family
ID=88120942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211735525.0A Pending CN116807749A (en) | 2022-12-31 | 2022-12-31 | Breast pad without corner sealing part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116807749A (en) |
-
2022
- 2022-12-31 CN CN202211735525.0A patent/CN116807749A/en active Pending
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