Glue-free menstrual period trousers

Through ultrasonic composite technology and hot press composite connection method, glue-free menstrual pants were prepared, which solved the problems of poor environmental protection and low water absorption efficiency caused by the use of glue in the prior art, and achieved efficient and environmentally friendly water absorption effect.

CN222510481UActive Publication Date: 2025-02-21QUANZHOU SHENGQUAN MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202420573069.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-02-21
Estimated Expiration
2034-03-22

AI Technical Summary

Technical Problem

The existing menstrual pants use spray hot melt adhesive during the preparation process, resulting in poor green and environmental protection, and reduce the water permeability between the material layers, thereby reducing the water absorption efficiency.

Method used

Ultrasonic composite technology is used without glue, and the absorbent body is sewn and fixed with the outer clothing layer, and the absorbent body is connected by hot pressing and composite to achieve glue-free menstrual pants preparation.

Benefits of technology

The green and environmental protection and high water absorption efficiency of glue-free menstrual pants are achieved, which avoids the problem of glue penetration and improves the environmental protection and water absorption performance of the product.

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Abstract

The utility model relates to the field of disposable hygienic products, in particular to green and environment-friendly glue-free menstrual period pants with high water absorption efficiency, which comprise a menstrual period pants body, the menstrual period pants body comprises an outer clothes layer and an absorber, and the absorber is arranged in a crotch area of the outer clothes layer. The two transverse sides of the absorber and the outer clothes layer are compounded with first sewing threads through ultrasonic waves, the two transverse side edges of the front waist area and the two transverse side edges of the rear waist area of the outer clothes layer are compounded with second sewing threads through ultrasonic waves, and the outer clothes layer comprises a waistline rubber band, a crotch rubber band, outer-layer non-woven fabric and inner-layer non-woven fabric. The waistline rubber band and the crotch rubber band are arranged between the outer-layer non-woven fabric and the inner-layer non-woven fabric, the waistline rubber band is distributed in the front waist area and the rear waist area, the waistline rubber band forms a first sewing point through ultrasonic composite fixing, the crotch rubber band is distributed in the crotch area, and the crotch rubber band forms a second sewing point through ultrasonic composite fixing.
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Description

Technical Field

[0001] The utility model relates to the field of disposable sanitary products, in particular to a pair of glue-free menstrual pants. Background Art

[0002] After giving birth, a large amount of lochia will be discharged from the vagina of women. Some women have heavier menstrual flow during their menstrual period. When these situations occur, ordinary disposable sanitary care products cannot absorb them well. If you are not careful, it will leak sideways and stain clothes or bed sheets, which brings great inconvenience to daily life. Menstrual pants are a kind of disposable sanitary care product, which has been widely used because of its strong safety.

[0003] The structure of existing menstrual pants, such as Chinese patent application No. 202121545475.0, discloses an antibacterial menstrual pants, including a menstrual pants main body, the menstrual pants main body including a front baffle, a rear baffle and a middle absorption zone, the front baffle is located at the front end of the menstrual pants main body, the rear baffle is located at the rear end of the menstrual pants main body, the middle absorption zone is located in the middle of the menstrual pants main body, the middle absorption zone includes a guide layer, an antibacterial chip layer and a liquid material absorption layer, and the antibacterial chip layer is located at the lower end of the guide layer, and the liquid material absorption layer is located at the lower end of the antibacterial chip layer, the lower end of the liquid material absorption layer is provided with a waterproof and breathable PE bottom film, and the waterproof and breathable PE bottom film is adhesively connected to the liquid material absorption layer.

[0004] During the preparation process of the above-mentioned menstrual pants, the guide layer and the antibacterial chip layer, the antibacterial chip layer and the liquid material absorption layer, and the liquid material absorption layer and the waterproof and breathable PE bottom film are glued together by spraying hot melt adhesive. Not only is it poor in environmental protection, but the spraying of glue also reduces the water permeability between the material layers, thereby reducing the water absorption efficiency. Utility Model Content

[0005] Therefore, in view of the above problems, the utility model provides a green and environmentally friendly glue-free menstrual pants with high water absorption efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A non-adhesive menstrual pants, comprising a menstrual pants body, wherein the length direction of the menstrual pants body is defined as a longitudinal direction, and the width direction of the menstrual pants body is defined as a transverse direction. The menstrual pants body comprises an outer garment layer and an absorbent body, wherein the outer garment layer has a front waist region, a crotch region and a rear waist region in sequence along the longitudinal direction, the absorbent body is arranged in the crotch region of the outer garment layer, and the transverse sides of the absorbent body and the outer garment layer are ultrasonically compounded with a first suture line, the transverse sides of the front waist region of the outer garment layer and the transverse sides of the rear waist region of the outer garment layer are ultrasonically compounded with a second suture line, the outer garment layer comprises a waist elastic band, a crotch elastic band, an outer non-woven fabric and an outer non-woven fabric. and an inner non-woven fabric, the waist elastic band and the crotch elastic band are arranged between the outer non-woven fabric and the inner non-woven fabric, the waist elastic band is distributed in the front waist area and the back waist area, and the waist elastic band is fixed by ultrasonic composite to form a first stitching point, the outer non-woven fabric, the waist elastic band and the inner non-woven fabric are fixed by the first stitching point, and the first stitching points are distributed at intervals along the extension direction of the waist elastic band, the crotch elastic band is distributed in the crotch area, and the crotch elastic band is fixed by ultrasonic composite to form a second stitching point, the outer non-woven fabric, the crotch elastic band and the inner non-woven fabric are fixed by the second stitching point, and the second stitching points are distributed at intervals along the extension direction of the crotch elastic band.

[0008] Furthermore, the absorbent body includes a PE film, a core layer, a guide layer, a water-repellent non-woven fabric, a surface non-woven fabric and a three-dimensional protective elastic band. The surface non-woven fabric, the guide layer, the core layer and the PE film are stacked in sequence from top to bottom and are connected by hot pressing. The water-repellent non-woven fabric is distributed on both lateral sides of the surface non-woven fabric, and the lateral outer side of the water-repellent non-woven fabric and the outer clothing layer are ultrasonically composited with a third stitching line. The three-dimensional protective elastic band is arranged on the lateral inner layer of the water-repellent non-woven fabric and is fixed by ultrasonic composite to form a third stitching point. The third stitching points are spaced apart along the extension direction of the three-dimensional protective elastic band.

[0009] Furthermore, the crotch elastic band includes a first crotch elastic band near the front waist area and a second crotch elastic band near the back waist area, the first crotch elastic band and the second crotch elastic band are both trumpet-shaped structures, the opening of the first crotch elastic band faces the front waist area, and the opening of the second crotch elastic band faces the back waist area.

[0010] By adopting the above-mentioned technical scheme, the beneficial effect of the utility model is as follows: the glue-free menstrual pants, the absorbent body and the outer clothing layer are sewed and fixed by the first stitching line formed by ultrasonic compounding, and the lateral sides of the front waist area and the back waist area of ​​the outer clothing layer are sewed and specified by the second stitching line, and at the same time, the waist elastic band and the crotch elastic band are fixedly connected to the outer non-woven fabric and the inner non-woven fabric of the outer clothing layer by the first stitching point and the second stitching point respectively, so as to realize the interruption and compounding of the waist elastic band and the crotch elastic band. Compared with traditional menstrual pants, the composite fixation of the product is realized without using glue, which is green and environmentally friendly. In addition, when glue is not used, the glue can be prevented from penetrating into the material of the menstrual pants, so that the material maintains a high water absorption efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a front view structural schematic diagram of an embodiment of the utility model;

[0012] Figure 2 It is a schematic diagram of the top view of the structure in the unfolded state of the embodiment of the utility model;

[0013] Figure 3 It is a cross-sectional structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0015] The utility model embodiment is:

[0016] refer to Figure 1 , Figure 2 and Figure 3As shown, a non-adhesive menstrual pants comprises a menstrual pants body 1, wherein the length direction of the menstrual pants body 1 is defined as a longitudinal direction, and the width direction thereof is defined as a transverse direction. The menstrual pants body 1 comprises an outer garment layer 11 and an absorbent body 12, wherein the outer garment layer 11 has a front waist region 101, a crotch region 102 and a rear waist region 103 in sequence along the longitudinal direction, the absorbent body 12 is arranged in the crotch region 102 of the outer garment layer 11, and the transverse sides of the absorbent body 12 and the outer garment layer 11 are ultrasonically compounded with a first stitching line 2, the transverse sides of the front waist region 101 of the outer garment layer 11 and the transverse sides of the rear waist region 103 are ultrasonically compounded with a second stitching line 3, and the outer garment layer 11 comprises a waist elastic band 111, a crotch elastic band 112, an outer non-woven fabric 113 and an inner non-woven fabric 114. 14, the waist elastic band 111 and the crotch elastic band 112 are arranged between the outer non-woven fabric 113 and the inner non-woven fabric 114, the waist elastic band 111 is distributed in the front waist area 101 and the back waist area 103, and the waist elastic band 111 is fixed by ultrasonic composite to form a first stitching point 4, the outer non-woven fabric 113, the waist elastic band 111 and the inner non-woven fabric 114 are fixed by the first stitching point 4, and the first stitching points 4 are distributed at intervals along the extension direction of the waist elastic band 111, the crotch elastic band 112 is distributed in the crotch area 102, and the crotch elastic band 112 is fixed by ultrasonic composite to form a second stitching point 5, the outer non-woven fabric 113, the crotch elastic band 112 and the inner non-woven fabric 114 are fixed by the second stitching point 5, and the second stitching points 5 are distributed at intervals along the extension direction of the crotch elastic band 112.

[0017] The glue-free menstrual pants sew and fix the absorbent body 12 and the outer clothing layer 11 through the first stitching line 2 formed by ultrasonic compounding, and sew the front waist area 101 and the rear waist area 103 of the outer clothing layer 11 at the transverse sides through the second stitching line 3. At the same time, the waist elastic band 111 and the crotch elastic band 112 are respectively fixedly connected to the outer non-woven fabric 113 and the inner non-woven fabric 114 of the outer clothing layer 11 through the first stitching point 4 and the second stitching point 5, so as to achieve the interruption and compounding of the waist elastic band 111 and the crotch elastic band 112. Compared with the traditional menstrual pants, the composite fixation of the product is achieved without using glue, which is green and environmentally friendly. In addition, when no glue is used, the glue can be prevented from penetrating into the material of the menstrual pants, so that the material maintains a high water absorption efficiency.

[0018] In addition, the absorbent body 12 includes a PE film 121, a core layer 122, a guide layer 123, a water-repellent non-woven fabric 124, a surface non-woven fabric 125, and a three-dimensional protective elastic band 126. The surface non-woven fabric 125, the guide layer 123, the core layer 122, and the PE film 121 are stacked and distributed in sequence from top to bottom, and are connected by hot pressing. The water-repellent non-woven fabric 124 is distributed on both sides of the surface non-woven fabric 125, and the lateral outer side of the water-repellent non-woven fabric 124 is ultrasonically compounded with a third suture line 6 with the outer clothing layer 11. The three-dimensional protective elastic band 126 is arranged on the lateral inner layer of the water-repellent non-woven fabric 124, and is fixed by ultrasonic compounding to form a third stitching point (not shown in the figure), and the third stitching points are spaced apart along the extension direction of the three-dimensional protective elastic band 126. The third stitching line 6 formed by ultrasonic compounding fixes the water-repellent non-woven fabric 124 to the outer clothing layer 11, and the surface non-woven fabric 125, the guide layer 123, the core layer 122 and the PE mold 121 are stacked and distributed in sequence from top to bottom, and are connected by hot pressing compounding, so that the absorbent body 12 can be prepared without gluing, which is green and environmentally friendly.

[0019] Furthermore, the crotch elastic band 112 includes a first crotch elastic band 112a close to the front waist area 101 and a second crotch elastic band 112b close to the back waist area 103, and the first crotch elastic band 112a and the second crotch elastic band 112b are both trumpet-shaped structures, with the opening of the first crotch elastic band 112a facing the front waist area 101, and the opening of the second crotch elastic band 112b facing the back waist area 103, thereby improving the fit of the menstrual pants, reducing the risk of leakage, and improving wearing comfort.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0022] Although the present invention has been specifically shown and described in conjunction with the preferred embodiments, it should be understood by those skilled in the art that various changes may be made to the present invention in form and details without departing from the spirit and scope of the present invention as defined by the appended claims, all of which are within the scope of protection of the present invention.

Claims

1. A non-adhesive menstrual pants, characterized in that: The invention comprises a menstrual pants body, wherein the length direction of the menstrual pants body is defined as a longitudinal direction, and the width direction thereof is defined as a transverse direction. The menstrual pants body comprises an outer garment layer and an absorbent body, wherein the outer garment layer has a front waist region, a crotch region and a rear waist region in sequence along the longitudinal direction, the absorbent body is arranged in the crotch region of the outer garment layer, and the transverse sides of the absorbent body and the outer garment layer are ultrasonically compounded with a first suture line, the transverse sides of the front waist region of the outer garment layer and the transverse sides of the rear waist region of the outer garment layer are ultrasonically compounded with a second suture line, the outer garment layer comprises a waist elastic band, a crotch elastic band, an outer non-woven fabric and an inner non-woven fabric. The waist elastic band and the crotch elastic band are arranged between the outer non-woven fabric and the inner non-woven fabric, the waist elastic band is distributed in the front waist area and the back waist area, and the waist elastic band is fixed by ultrasonic composite to form a first stitching point, the outer non-woven fabric, the waist elastic band and the inner non-woven fabric are fixed by the first stitching point, and the first stitching points are distributed at intervals along the extension direction of the waist elastic band, the crotch elastic band is distributed in the crotch area, and the crotch elastic band is fixed by ultrasonic composite to form a second stitching point, the outer non-woven fabric, the crotch elastic band and the inner non-woven fabric are fixed by the second stitching point, and the second stitching points are distributed at intervals along the extension direction of the crotch elastic band.

2. The adhesive-free menstrual pants according to claim 1, characterized in that: The absorbent includes a PE film, a core layer, a guide layer, a water-repellent non-woven fabric, a surface non-woven fabric and a three-dimensional protective elastic band. The surface non-woven fabric, the guide layer, the core layer and the PE film are stacked in sequence from top to bottom and are connected by hot pressing. The water-repellent non-woven fabric is distributed on both lateral sides of the surface non-woven fabric, and the lateral outer side of the water-repellent non-woven fabric and the outer clothing layer are ultrasonically composited with a third stitching line. The three-dimensional protective elastic band is arranged on the lateral inner layer of the water-repellent non-woven fabric and is fixed by ultrasonic composite to form a third stitching point. The third stitching points are spaced apart along the extension direction of the three-dimensional protective elastic band.

3. The adhesive-free menstrual pants according to claim 1 or 2, characterized in that: The crotch elastic band includes a first crotch elastic band near the front waist area and a second crotch elastic band near the back waist area. The first crotch elastic band and the second crotch elastic band are both trumpet-shaped structures. The opening of the first crotch elastic band faces the front waist area, and the opening of the second crotch elastic band faces the back waist area.

Citation Information

Patent Citations

  • Antibacterial menstrual period trousers

    CN215937964U