Breast pad with good safety

By wrapping the joint of the breast pad with a breathable water repellent film and using a laminated SAP structure in the water absorbing layer, the existing breast pad joint is easily cracked and scratched, and higher safety and production efficiency are achieved.

CN222917039UActive Publication Date: 2025-05-30HENGMEILI (CHANGZHOU) HYGIENE CARE PRODUCTS CO LTD
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Patent Information

Application Number
CN202421878787.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-30
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The joints of existing breast pads are prone to cracking, have high hardness and thin thickness, which can easily scratch the skin of users or babies, and pose safety risks.

Method used

A breathable water repellent film is used to bond to the outside of the non-woven fabric and cover the joint part to wrap the hard and thin joint part to avoid scratching. At the same time, the water-absorbing layer adopts a multi-layer SAP structure with the edge of the first SAP layer located inside the edge of the second SAP layer, forming a convex or trapezoidal cross-section to reduce SAP overflow and waste.

Benefits of technology

Effectively avoids junction scratching the user or baby's skin, improves the safety of the breast pads, and reduces SAP spillage and waste on high-speed production lines.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a breast pad with good safety. The breast pad comprises a top piece used for liquid permeation, a water absorption layer used for absorbing liquid and an outer side non-woven fabric which are sequentially arranged in a laminated mode. The outer edges of the top sheet and the outer side non-woven fabric are jointed with each other so as to wrap the water absorption layer and form a wrapping body; the edge of the water absorption layer is provided with one or a pair of symmetrically distributed notches; after the wrapping body is folded towards one side of the top pieces by taking the center line of the notch as a folding line, a pair of adjacent top pieces on the inner side of the notch are jointed to form a joint part, then a breathable water-repellent film is adhered to the outer side of the outer non-woven fabric, and the breathable water-repellent film covers the joint part. After the breast pad is folded and the joint parts of the end corners are formed, a breathable water-repellent film is adhered to the outer side of the outer non-woven fabric, and the breathable water-repellent film covers the joint parts. The hard and thin joint part is wrapped by the breathable water-repellent film, so that the joint part is prevented from scratching the delicate skin of a user or a baby, and the hidden danger of use safety is eliminated.
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Description

Technical Field

[0001] The utility model relates to the technical field of breast pads, and specifically to a breast pad with better safety performance. Background Art

[0002] Chinese Patent Document CN101299936 discloses a breast milk liner and its manufacturing method. The breast milk liner has a laminated material, which is laminated by a breathable water-repellent film that prevents liquid penetration, a top sheet that contacts the body, and an absorbent layer disposed between the two. The above-mentioned top sheet and the above-mentioned breathable water-repellent film are joined at the outer peripheral edge, and cut portions are respectively formed at positions opposite to each other in the above-mentioned outer peripheral edge. The cut portion is formed by cutting the above-mentioned absorbent layer in such a way that the cut width gradually decreases towards the inside. Inside the above-mentioned cut portion, the above-mentioned top sheet and the above-mentioned breathable water-repellent film are joined, and there is a joining portion, which is formed by folding along a broken line connecting the above-mentioned cut portions opposite to each other in such a way that the above-mentioned top sheet becomes the inner surface, and joining the inner surfaces of the above-mentioned top sheets that coincide in each of the above-mentioned cut portions in the folded state.

[0003] The breast pad of the above first prior art has the following disadvantages: the formed joining portion is prone to cracking, and the joining portion has the characteristics of high hardness and thin thickness, which is likely to scratch the delicate skin of the user or the baby, that is, there are potential safety hazards.

[0004] Chinese Patent Document CN216933734U discloses a breast pad with better flexibility at the corner sealing portion, including a top sheet for liquid penetration, a water-absorbing layer for absorbing liquid, and an outer non-woven fabric stacked in sequence; the outer edges of the top sheet and the outer non-woven fabric are joined to wrap the water-absorbing layer and form a wrapped body; an outer breathable water-repellent film for preventing liquid penetration is provided on the outside of the outer non-woven fabric; one or a pair of symmetrically distributed notches are provided at the edge of the water-absorbing layer; the outer shapes and sizes of the top sheet and the outer non-woven fabric are symmetric, and openings corresponding to the positions of the notches are also provided on the top sheet and the outer non-woven fabric; with the center line of the notch as the broken line, after folding the wrapped body towards the top sheet side, the breathable water-repellent films that are in contact with each other at the opening are joined to form a joining portion.

[0005] The breast pad of the above second prior art has the following disadvantages: the formed joining portion is prone to cracking, and the joining portion has the characteristics of high hardness and thin thickness relative to the breathable water-repellent film, which is likely to scratch the delicate skin of the user or the baby, that is, there are potential safety hazards. Summary of the Utility Model

[0006] The technical problem to be solved by the utility model is to provide a breast pad with a simple structure and better safety performance.

[0007] To solve the above problems, the present utility model provides a breast pad with better safety, which includes a top sheet for liquid penetration, a water-absorbing layer for absorbing liquid, and an outer non-woven fabric arranged in a stacked manner in sequence; the outer edges of the top sheet and the outer non-woven fabric are joined to each other to wrap the water-absorbing layer and form a wrapped body; one or a pair of symmetrically distributed notches are provided at the edge of the water-absorbing layer; taking the center line of the notch as a fold line, after folding the wrapped body towards the top sheet side, an adjacent pair of top sheets inside the notch are joined to form a joint, and then a breathable water-repellent film is adhesively bonded to the outside of the outer non-woven fabric, and the breathable water-repellent film covers the joint.

[0008] Preferably, the water-absorbing layer includes a SAP layer, and the SAP layer includes a first SAP layer and a second SAP layer arranged in a stacked manner. The first SAP layer and the second SAP layer are respectively formed by gluing. The edge of the first SAP layer is inside the edge of the second SAP layer, so that the cross-section of the SAP layer is convex or trapezoidal. During the conveying process on a high-speed production line, the edge of the second SAP layer does not exceed the range of the cutter for cutting the water-absorbing layer. Since the edge of the first SAP layer is inside the edge of the second SAP layer, it is not easy for the first SAP layer to cause waste due to SAP overflow during the forming process.

[0009] The technical effects of the present utility model are as follows: (1) For the breast pad with better safety of the present utility model, after the breast pad is folded and the joint at the end corner is formed, a breathable water-repellent film is adhesively bonded to the outside of the outer non-woven fabric, and the breathable water-repellent film covers the joint. The hard and thin joint is wrapped by the breathable water-repellent film to avoid the joint scratching the delicate skin of the user or the baby, eliminating the potential safety hazard in use. (2) The water-absorbing layer of the present utility model includes a SAP layer with multiple layers stacked. The cross-section of the SAP layer is convex or trapezoidal. During the conveying process on a high-speed production line, the edge of the second SAP layer does not exceed the range of the cutter for cutting the water-absorbing layer. Since the edge of the first SAP layer is inside the edge of the second SAP layer, it is not easy for the first SAP layer to cause waste due to SAP leakage during the forming process. Description of the Drawings

[0010] The present utility model will be further described in detail below with reference to the accompanying drawings of the specification:

[0011] Figure 1 It is a schematic structural diagram of the top surface of the breast pad in Embodiment 1 when unfolded;

[0012] Figure 2 For Figure 1 It is a schematic structural diagram of the breast pad in

[0013] Figure 3 when folded along the connection line L and forming a joint;

[0014] In the figure: top sheet 1, water-absorbing layer 2, notch 21, joint 3, center line L. Detailed implementation

[0015] As Figures 1-3 , the breast pad with better safety in this embodiment includes a top sheet 1 (generally made of non-woven fabric) for liquid penetration, a water-absorbing layer 2 for absorbing liquid, and an outer non-woven fabric that are sequentially stacked; the outer edges of the top sheet and the outer non-woven fabric are joined to each other to wrap the water-absorbing layer 2 and form a wrapped body; one or a pair of symmetrically distributed notches 21 are provided at the edge of the water-absorbing layer 2; with the center line L of the notch 21 as a folding line, after folding the wrapped body towards the top sheet side, a pair of adjacent top sheets inside the notch 21 are joined (generally by means such as ultrasonic welding or hot melt bonding) to form a joint 3, and then a breathable and water-repellent film is adhered to the outside of the outer non-woven fabric, and the breathable and water-repellent film completely covers the joint 3 and adheres to the joint. The breathable and water-repellent film generally uses expanded polytetrafluoroethylene film (PTFE) or expanded PTFE film + PU (hydrophilic integral type), and an adhesive is coated on the outer side of the breathable and water-repellent film, and a release paper is covered on the adhesive; when the user wears it, the release paper is torn off, and the breast pad can be adhered to the inner side of the underwear.

[0016] The water-absorbing layer 2 includes a SAP layer and a non-woven fabric or dust-free paper covering the SAP layer. The SAP layer includes a first SAP layer 22 and a second SAP layer 23 that are stacked. The first SAP layer and the second SAP layer are respectively formed by gluing. The edge of the first SAP layer 22 is inside the edge of the second SAP layer 23, so that the cross-section of the SAP layer is convex or trapezoidal. During the conveying process on a high-speed production line, the edge of the second SAP layer does not exceed the range of the cutter for cutting the water-absorbing layer 2. Since the edge of the first SAP layer is inside the edge of the second SAP layer, it is not easy for the first SAP layer to have the situation of SAP (superabsorbent polymer particles) overflow and waste during molding.

[0017] Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not limitations on the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And these obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. A breast pad with good safety, comprising a top sheet (1) for liquid permeation, a water-absorbing layer (2) for absorbing liquid, and an outer non-woven fabric which are stacked in sequence; the outer edges of the top sheet and the outer non-woven fabric are joined to each other to wrap the water-absorbing layer (2) and form a wrapping body; characterized in that: The edge of the water absorbing layer (2) is provided with one or a pair of symmetrically distributed notches (21); With the center line (L) of the notch (21) as a fold line, the wrapping body is folded toward one side of the top sheet, and then a pair of adjacent top sheets on the inner side of the notch (21) are joined to form a joint portion (3), and then a breathable and water-repellent film (4) is bonded to the outer side of the outer non-woven fabric, and the breathable and water-repellent film (4) covers the joint portion (3).

2. The breast pad according to claim 1, characterized in that The water-absorbing layer (2) comprises a SAP layer, wherein the SAP layer comprises a first SAP layer and a second SAP layer which are stacked, wherein the first SAP layer and the second SAP layer are respectively bonded together using glue, and the edge of the first SAP layer is located on the inner side of the second SAP layer, so that the cross section of the SAP layer is in a convex shape or a trapezoidal shape.

Citation Information

Patent Citations

  • Breast pad with corner sealing parts good in flexibility

    CN216933734U