A sanitary napkin with wing reinforcement

Abstract

The utility model relates to sanitary towel technical field provides a sanitary towel of wing reinforcing type, solves the problem that the existing sanitary towel wing is easy to have structural breakage when taking down, the utility model discloses sanitary towel main part and the wing of symmetry that is equipped with sanitary towel main part both sides, each sanitary towel main part includes the flexible surface layer, the flow guide layer, the absorption layer and the bottom mould that set gradually from top to bottom, the absorption layer includes the absorption core and the wrapping layer that is wrapped in the absorption core outside, the flexible surface layer and the bottom mould extend to both sides and hold the reinforcing part, the reinforcing part and flexible surface layer, the bottom mould compound form each wing, and the sandwich wing is formed through the reinforcing part of flexible surface layer and bottom mould extension part direct clamping, solves the problem of traditional wing fracture.

Description

Technical Field

[0001] This utility model relates to the field of sanitary napkin technology, specifically to a sanitary napkin with reinforced wings. Background Technology

[0002] Traditional sanitary napkin wing structures have significant defects: they are composed of only a single layer of non-woven fabric and a bottom film (total thickness ≤ 0.2mm), resulting in insufficient tensile strength (measured breaking strength < 5N), leading to two major problems:

[0003] (1) Wearing breakage and side leakage: When the human body moves, the wings are subjected to dynamic stress, which is easy to break and cause side leakage (market complaint rate exceeds 30%).

[0004] (2) Wing tearing during removal: Adhesion strength between the wing adhesive and the underwear (≥1.5 N / cm) 2 Exceeding the material's tolerance limit, more than 60% of the components suffered structural damage upon removal.

[0005] According to the "2025 China Feminine Care Products White Paper", 81% of consumers listed "leakage prevention reliability" as their top requirement, and the annual growth rate of products with reinforced wings reached 24%. Utility Model Content

[0006] Therefore, in order to address the above problems, this utility model provides a sanitary napkin with reinforced wings, which solves the problem that the wings of existing sanitary napkins are prone to structural damage when removed.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0008] A sanitary napkin with reinforced wings includes a sanitary napkin body and wings symmetrically arranged on both sides of the sanitary napkin body. Each sanitary napkin body includes a flexible surface layer, a diversion layer, an absorbent layer, and a bottom mold arranged sequentially from top to bottom. The absorbent layer includes an absorbent core and a wrapping layer wrapped around the absorbent core. The flexible surface layer and the bottom mold extend to both sides and hold the reinforcing part. The reinforcing part, the flexible surface layer, and the bottom mold are combined to form each of the wings.

[0009] Furthermore, the reinforcing part is made of high-density nonwoven fabric with a basis weight of 25 g / m². 2 Longitudinal breaking strength ≥18N.

[0010] Furthermore, the reinforcing part is made of release paper.

[0011] Furthermore, the flow guiding layer or wrapping layer extends to both sides to form the reinforcing portion.

[0012] Furthermore, each of the reinforcing parts has through holes spaced apart on its surface, and each through hole is strip-shaped or hole-shaped.

[0013] Furthermore, an adhesive layer is provided between the flexible surface layer and the reinforcing part, and the adhesive layer is connected to the bottom mold through each of the through holes.

[0014] Furthermore, the wrapping layer includes an upper wrapping layer and a lower wrapping layer, with one side of the upper and lower wrapping layers extending outward to form the reinforcing portion, and the other side of the upper and lower wrapping layers folding upward.

[0015] Furthermore, the wrapping layer is made of dust-free paper or non-woven fabric.

[0016] Furthermore, the bottom of the bottom mold is provided with adhesive strips at intervals, and the two ends of each adhesive strip extend to the bottom of each protective wing. Each adhesive strip is provided with a release paper strip at its bottom.

[0017] Furthermore, each of the protective wings has an easy-tear strip on both sides of its bottom, and each easy-tear strip is connected to one end of each release paper strip.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] 1. This utility model forms a sandwich wing by directly clamping the reinforcing part between the flexible surface layer and the bottom mold extension. The tensile strength is >15N (measured value), which solves the problem of fracture of traditional wing and achieves a tensile strength >15N (3 times the industry standard). The stiffness of the wing is increased to 2.9mN·m (ISO2493 standard), ensuring that the deformation rate is <5% under movement.

[0020] 2. The present invention forms the reinforcing part by extending to both sides through a flow guide layer or a wrapping layer, thereby reducing the composite process and improving production efficiency. Attached Figure Description

[0021] Figure 1 This is a cross-sectional structural diagram of an embodiment of the present utility model;

[0022] Figure 2 This is a schematic diagram of the through-hole structure in an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the easy-tear strip structure in an embodiment of this utility model.

[0024] Explanation of icon numbers:

[0025] Sanitary napkin body 1; flexible surface layer 11; diversion layer 12; absorbent layer 13; absorbent core 131; wrapping layer 132; bottom mold 14;

[0026] Wing 2;

[0027] Reinforcing part 3; Through hole 31;

[0028] Adhesive layer 4;

[0029] 5 adhesive strips;

[0030] Release paper strip 6;

[0031] Easy-tear strip 7. Detailed Implementation

[0032] The following will describe the implementation of this utility model in detail with reference to specific embodiments, so that the process of how this utility model uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0033] Example:

[0034] like Figures 1 to 3 As shown, a sanitary napkin with reinforced wings includes a sanitary napkin body 1 and symmetrically arranged wings 2 on both sides of the sanitary napkin body 1. Each sanitary napkin body 1 includes a flexible surface layer 11, a diversion layer 12, an absorbent layer 13, and a bottom mold 14 arranged sequentially from top to bottom. The absorbent layer 13 includes an absorbent core 131 and a wrapping layer 132 wrapped around the absorbent core 131. The flexible surface layer 11 and the bottom mold 14 extend to both sides and hold a reinforcing part 3. The reinforcing part 3, the flexible surface layer 11, and the bottom mold 14 are combined to form each of the wings 2.

[0035] The reinforcing part 3 is directly clamped between the flexible surface layer 11 and the extension of the bottom mold 14 to form a sandwich wing 2 with a tensile strength >15N (measured value), which solves the problem of fracture of traditional wings and achieves a tensile strength >15N (3 times the industry standard). The stiffness of the wing 2 is increased to 2.9mN·m (ISO2493 standard), ensuring that the deformation rate is <5% under motion. The reinforcing part 3 is formed by extending to both sides through the flow guide layer 12 or the wrapping layer 132, which reduces the composite process and improves production efficiency.

[0036] Each of the reinforcing parts 3 has through holes 31 spaced apart on its surface, and each of the through holes 31 is strip-shaped.

[0037] In this embodiment, the flow guiding layer 12 extends to both sides to form the reinforcing portion 3. The flow guiding layer 12 is made of high-density nonwoven fabric with a basis weight of 25 g / m². 2 Longitudinal breaking strength ≥18N.

[0038] In other preferred embodiments, the wrapping layer 132 includes an upper wrapping layer and a lower wrapping layer, with one side of the upper and lower wrapping layers extending outward to form the reinforcing portion 3, and the other side of the upper and lower wrapping layers folded upward. The wrapping layer 132 is made of dust-free paper or non-woven fabric.

[0039] In other preferred embodiments, the flexible surface layer 11 and the bottom mold 14 are clamped on both sides by a reinforcing portion 3 made of release paper.

[0040] An adhesive layer 4 is provided between the flexible surface layer 11 and the reinforcing part 3, and the adhesive layer 4 is connected to the bottom mold 14 through each of the through holes 31.

[0041] The bottom of the bottom mold 14 is provided with adhesive strips 5 at intervals. Both ends of each adhesive strip 5 extend to the bottom of each protective wing 2. Release paper strips 6 are provided at the bottom of each adhesive strip 5. Easy-tear strips 7 are provided on both sides of the bottom of each protective wing 2. Each easy-tear strip 7 is connected to one end of each release paper strip 6.

[0042] Although the present invention has been specifically shown and described in conjunction with preferred embodiments, those skilled in the art should understand that various changes in form and detail may be made to the present invention without departing from the spirit and scope of the present invention as defined in the appended claims, and all such changes shall be within the scope of protection of the present invention.

Claims

1. A sanitary napkin with reinforced wings, comprising a sanitary napkin body and wings symmetrically disposed on both sides of the sanitary napkin body, characterized in that: Each of the sanitary napkin bodies includes a flexible surface layer, a diversion layer, an absorbent layer, and a bottom mold arranged sequentially from top to bottom. The absorbent layer includes an absorbent core and a wrapping layer wrapped around the outside of the absorbent core. The flexible surface layer and the bottom mold extend to both sides and hold a reinforcing part. The reinforcing part, the flexible surface layer, and the bottom mold are combined to form each of the protective wings.

2. The sanitary napkin with reinforced wings according to claim 1, characterized in that: The reinforcing part is made of high-density nonwoven fabric with a basis weight of 25g / m². 2 Longitudinal breaking strength ≥18N.

3. The sanitary napkin with reinforced wings according to claim 1, characterized in that: The reinforcing part is made of release paper.

4. A sanitary napkin with reinforced wings according to claim 1, characterized in that: The flow-guiding layer or wrapping layer extends to both sides to form the reinforcement.

5. A sanitary napkin with reinforced wings according to claim 4, characterized in that: Each of the reinforcing parts has through holes spaced apart on its surface, and each through hole is strip-shaped or hole-shaped.

6. A sanitary napkin with reinforced wings according to claim 5, characterized in that: An adhesive layer is provided between the flexible surface layer and the reinforcing part, and the adhesive layer is connected to the bottom mold through each of the through holes.

7. A sanitary napkin with reinforced wings according to claim 6, characterized in that: The wrapping layer includes an upper wrapping layer and a lower wrapping layer. The upper and lower wrapping layers extend outward on one side to form the reinforcing portion, and the other side of the upper and lower wrapping layers is folded upward.

8. A sanitary napkin with reinforced wings according to claim 7, characterized in that: The wrapping layer is made of dust-free paper or non-woven fabric.

9. A sanitary napkin with reinforced wings according to claim 1, characterized in that: The bottom of the mold is provided with adhesive strips at intervals, and the two ends of each adhesive strip extend to the bottom of each protective wing. Each adhesive strip is provided with a release paper strip at its bottom.

10. A sanitary napkin with reinforced wings according to claim 9, characterized in that: Each of the protective wings has an easy-tear strip on both sides of its bottom, and each easy-tear strip is connected to one end of each release paper strip.

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