Breast pad with good air permeability

By designing the joint angle area of the surface layer in the breast pad to form a breathable cavity and a direct channel, the problem of low absorption efficiency of the existing breast pad is solved, and efficient water absorption and breathability are achieved.

CN120346054APending Publication Date: 2025-07-22CHANGZHOU KUAIBAO MATERNAL & INFANT PROD PARTNERSHIP (LLP)
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Patent Information

Application Number
CN202310834505.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-09
Publication Date
2025-07-22

AI Technical Summary

Technical Problem

When the existing milk pad is unfolded, the breathable space between the top sheet and the shaped patch causes the emulsion to fail to enter the water-absorbing layer in time, affecting the absorption efficiency and easily causing the emulsion to overflow and contaminate clothing.

Method used

A milk pad structure is designed, in which the center line of the surface layer is folded in half to form a joint angle, and an open cavity is left between the adjacent joint angle area of the surface layer and the top sheet. The surface layer is bowl-shaped or dish-shaped as a whole, air is breathable through this area, and the milk directly enters the water-absorbing layer through the surface layer and the top sheet.

Benefits of technology

It achieves efficient water absorption and breathability of the breast pad, improves the comfort and absorption efficiency of use, and avoids lotion overflow.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a breast pad with good air permeability. The breast pad comprises a top piece, a water absorption layer, a bottom piece and a surface layer which are sequentially laminated, folding the surface layer by taking the center line of the surface layer as a folding line, jointing the laminated materials at the two ends of the folding line of the surface layer to form a joint angle, then adhering one outer side surface of the surface layer to one side of the center line of the top sheet, and enabling the folding line of the surface layer to be on the center line of the top sheet; then the wrapping body is folded and extruded towards one side of the top piece, so that the other outer side face of the surface layer is bonded with the top piece; a region of the facing layer adjacent the joint angle is not bonded to the topsheet. When the breast pad is unfolded, the area, close to the joint angle, of the surface layer tilts towards the direction away from the top piece, so that the whole surface layer is in a bowl shape or a dish shape. During use, the breast pads cover breasts, a pair of cavities which are opened outwards is formed between the area, close to the joint angles, of the surface layer and the top piece, air penetrates through the area, close to the joint angles, of the surface layer to reach the skin close to nipples, ventilation is achieved, and the use comfort of the product is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of sanitary products, and specifically to a breast pad with good air permeability. Background Art

[0002] Chinese patent document CN116391923 discloses a pad. It includes a topsheet for liquid penetration, a water-absorbing layer for absorbing liquid, and a backsheet for air permeability and water repellency, which are sequentially laminated; the outer edges of the topsheet and the backsheet are joined to each other to wrap the water-absorbing layer and form a wrapper; with the center line of the wrapper as a fold line, the wrapper is folded towards the topsheet side, and then the folded shaping sticker is placed at the fold line inside the topsheet, and the folded part of the shaping sticker is adjacent to and spaced apart from the fold line, and then the shaping sticker is fixed on the topsheet so that the wrapper is in a bowl shape when the breast pad is unfolded, and there is an air-permeable space between the topsheet and the shaping sticker when the breast pad is unfolded; the shaping sticker is only one piece and entirely covers the fold line. This breast pad has no corner seal, avoiding the occurrence of damage or skin scratching at the corner seal during product use. There is no notch on the edge of the water-absorbing layer, improving the water absorption capacity of the breast pad.

[0003] For the breast pad of the above-mentioned prior art, there is an air-permeable space between the topsheet and the shaping sticker when unfolded, especially there is a space between the central part of the shaping sticker and the topsheet, which causes the lotion to not enter the water-absorbing layer in time, affecting the absorption efficiency and easily resulting in lotion overflow and clothing contamination. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a breast pad with a simple structure, high lotion absorption efficiency and good air permeability.

[0005] To solve the above problems, the present invention provides a breast pad with good air permeability, which includes a topsheet, a water-absorbing layer and a backsheet that are sequentially laminated; the edges of the topsheet and the backsheet are joined to each other to wrap the water-absorbing layer and form a wrapper; characterized in that it further includes a surface layer. After folding the surface layer in half with the center line of the surface layer as a fold line, the laminated materials at both ends of the fold line of the surface layer are joined to form a joining angle, and then one outer side of the surface layer is adhered to one side of the center line on the topsheet, and the fold line of the surface layer is on the center line of the topsheet; then, with the center line of the topsheet as a fold line, the wrapper is folded towards the topsheet side and squeezed to adhere the other outer side of the surface layer to the topsheet; wherein, the area of the surface layer adjacent to the joining angle is not adhered to the topsheet. When the breast pad is unfolded, the area of the surface layer adjacent to the joining angle warps away from the topsheet, making the whole surface layer in a bowl shape or a dish shape. At the same time, under the action of the surface layer, the wrapper is in a dish shape or an unfolded shell shape.

[0006] In use, one side of the surface layer of the breast pad covers the breast of a lactating woman, and the nipple is aligned with the central area of the surface layer. Since there is a pair of externally open cavities between the area of the surface layer adjacent to the joint corner and the topsheet, air passes through the area of the surface layer adjacent to the joint corner to reach the skin near the nipple, achieving ventilation and enhancing the comfort of product use. The central area of the surface layer adheres to the topsheet, and the milk overflowing from the nipple can quickly pass through the surface layer and the topsheet directly to the water-absorbing layer, so the water absorption efficiency is relatively high.

[0007] Preferably, the surface layer is prefabricated to be no larger than the topsheet in size, and the edge of the surface layer is bonded to the corresponding edge adjacent to the topsheet.

[0008] A further preferred solution is that the surface layer is a non-woven fabric, which is rectangular, circular or oval.

[0009] The central area of the surface layer is symmetrically distributed on the topsheet, so that the two end corners of the folded package correspond to a pair of joint corners of the surface layer respectively, which is beneficial to the folding and packaging of the product and is beneficial to forming a pair of externally open cavities between the area of the surface layer adjacent to the joint corner and the topsheet.

[0010] The technical effects of the present invention are as follows: (1) When the breast pad of the present invention is in use, one side of the surface layer of the breast pad covers the breast of a lactating woman, and the nipple is aligned with the central area of the surface layer. Since there is a pair of externally open cavities between the area of the surface layer adjacent to the joint corner and the topsheet, air passes through the area of the surface layer adjacent to the joint corner to reach the skin near the nipple, achieving ventilation and enhancing the comfort of product use. (2) In the present invention, the central area of the surface layer adheres to the topsheet, and the milk overflowing from the nipple can quickly pass through the surface layer and the topsheet directly to the water-absorbing layer, so the water absorption efficiency is relatively high. (3) In the present invention, when the breast pad is unfolded, the area of the surface layer adjacent to the joint corner warps away from the topsheet. During use, it is beneficial to improve the fitting degree between the breast of the lactating woman and the surface layer. Description of the Drawings

[0011] The present invention will be further described in detail below with reference to the accompanying drawings of the specification: Figure 1 It is a schematic structural diagram of the top surface of the breast pad of the present invention laid out; Figure 2 It is Figure 1 A schematic structural diagram of the breast pad when folded along its center line; Figure 3 It is Figure 1 A schematic A-A sectional structural diagram of the breast pad; Figure 4 It is a schematic structural diagram of the folded surface layer; In the figure: top sheet 1, absorbent layer 2, bottom sheet 3, surface layer 4, joining corner 41. Embodiment Example

[0012] As Figures 1-3 , the breast pad of this example includes a top sheet 1 (generally made of non-woven fabric) for liquid penetration, an absorbent layer 2 for absorbing liquid, and a bottom sheet 3, which are stacked in sequence. The outer edges of the top sheet and the bottom sheet are joined to each other (connected by heat-sealing bonding or ultrasonic welding) to wrap the absorbent layer 2 and form a package; the absorbent layer 2 includes a fluff pulp layer (optionally wood pulp mixed with SAP), and toilet paper or non-woven fabric symmetrically covering both sides of the fluff pulp layer.

[0013] The bottom sheet 3 (i.e., the PE bottom sheet) includes non-woven fabric, and a breathable liquid-repellent film (generally a PE film) for preventing liquid penetration is bonded to the outside of the non-woven fabric.

[0014] The breast pad further includes a surface layer 4. The surface layer 4 is folded in half along the center line of the surface layer 4, and the laminated materials at both ends of the fold line of the surface layer 4 are joined to form a joining corner 41. Then, one outer side of the surface layer 4 is bonded to one side of the center line on the top sheet 1, and the fold line of the surface layer 4 is on the center line of the top sheet 1; then, the package is folded in half toward the top sheet along the center line of the top sheet 1 and squeezed to bond the other outer side of the surface layer 4 to the top sheet 1; wherein, the area of the surface layer 4 adjacent to the joining corner 41 is not bonded to the top sheet 1. When the breast pad is unfolded, the area of the surface layer 4 adjacent to the joining corner 41 warps away from the top sheet 1, making the surface layer 4 as a whole in a bowl shape or a dish shape. At the same time, under the action of the surface layer 4, the package is in a dish shape or an unfolded shell shape.

[0015] When in use, the surface layer side of the breast pad covers the breast of a lactating woman, and the nipple is aligned with the central area of the surface layer; since there is an externally open cavity between the area of the surface layer 4 adjacent to the joining corner 41 and the top sheet 1, air passes through the area of the joining corner 41 adjacent to the surface layer to reach the skin near the nipple, achieving ventilation and improving the comfort of product use. The central area of the surface layer adheres to the top sheet, and the milk overflowing from the nipple can quickly pass through the surface layer and the top sheet directly to the absorbent layer, so the water absorption efficiency is relatively high.

[0016] The surface layer 4 is prefabricated to have a size not larger than the top sheet 1 (preferably, the surface layer 4 has the same shape and size as the top sheet 1), and the edge of the surface layer 4 is bonded to the corresponding edge adjacent to the top sheet 1 (preferably, the edge of the surface layer 4 is aligned with the edge of the top sheet 1).

[0017] The surface layer 4 is made of non-woven fabric and is in a rectangular, circular, oval or other practical shape.

[0018] The surface layer 4 is symmetrically distributed about the center of the top sheet 1, such that the two end corners of the folded package body respectively correspond to the positions of a pair of joint corners 41 of the surface layer, which is conducive to the folding and packaging of the product, and is conducive to forming a pair of externally open cavities 5 between the region of the surface layer adjacent to the joint corners and the top sheet.

[0019] Obviously, the above embodiments are merely examples given for clearly illustrating the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. And these obvious changes or variations derived from the spirit of the present invention still fall within the protection scope of the present invention.

Claims

1. A breast pad with good air permeability, comprising a top sheet (1), a water-absorbing layer (2) and a bottom sheet (5) which are sequentially stacked; the edges of the top sheet and the bottom sheet are joined to each other to wrap the water-absorbing layer (2) and form a wrapped body; characterized in that, It further includes a surface layer (4). With the center line of the surface layer (4) as the folding line, the surface layer (4) is folded in half, and the laminated materials at both ends of the folding line of the surface layer (4) are joined to form a joining angle (41). Then, one outer side of the surface layer (4) is adhered to one side of the center line on the top sheet (1), and the folding line of the surface layer (4) is on the center line of the top sheet (1). Then, with the center line of the top sheet (1) as the folding line, the package is folded in half towards the top sheet side and squeezed to adhere the other outer side of the surface layer (4) to the top sheet (1). Among them, the area of the surface layer (4) adjacent to the joining angle (41) is not adhered to the top sheet (1).

2. The breast pad according to claim 1, wherein, The surface layer (4) is prefabricated to a size not larger than the top sheet (1), and the edge of the surface layer (4) is adhered to the corresponding edge adjacent to the top sheet (1).

3. The breast pad according to claim 2, wherein The surface layer (4) is a non-woven fabric, in a rectangular, circular or oval shape.

4. The breast pad according to any one of claims 1-3, characterized in that When the breast pad is unfolded, the area of the surface layer (4) adjacent to the joining angle (41) warps away from the top sheet (1), making the whole surface layer (4) in a bowl shape or a dish shape.

5. The breast pad according to any one of claims 1 to 3, characterized in that, The surface layer (4) is symmetrically distributed about the center on the top sheet (1).

Citation Information

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