Alcohol cotton piece multilayer sealing anti-leakage packaging structure
The alcohol wipes packaging, with its three-layer membrane structure and four-sided heat-sealing process, solves the problems of evaporation and leakage in alcohol wipe packaging, maintaining effective concentration and disinfection capabilities, and providing a convenient user experience and safety assurance.
Patent Information
- Application Number
- CN202520660277.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-09
AI Technical Summary
Traditional alcohol wipe packaging is prone to alcohol evaporation and leakage, affecting disinfection effectiveness and posing safety hazards.
The bag adopts a three-layer membrane structure: the inner membrane is made of ethylene-vinyl alcohol copolymer, the middle membrane is made of nylon, and the outer membrane is made of biaxially oriented polypropylene. The bag body is formed by dry composite process and sealed by four-side heat sealing process. The inner membrane is in direct contact with the alcohol swab, the middle membrane enhances the barrier performance, and the outer membrane resists external factors. The outer membrane has high transparency and chemical resistance.
It effectively prevents alcohol evaporation and leakage, maintains the effective concentration and disinfection ability of alcohol wipes, ensures the integrity of the packaging and ease of use, and features humidity-sensitive color-changing indicators and anti-slip bumps to provide real-time feedback on the sealing status and facilitate operation.
Smart Images

Figure CN223905610U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to alcohol cotton piece packaging technical field, concretely is alcohol cotton piece multilayer sealing anti -permeation packaging structure. BACKGROUND
[0002] In medical treatment, health and daily life and so on many fields, alcohol cotton piece is widely used in skin disinfection, wound cleaning and article surface cleaning etc. However, alcohol has volatile and strong permeability, which brings great challenge to alcohol cotton piece packaging.
[0003] Traditional alcohol cotton piece packaging usually adopts simple plastic bag or paper bag packaging, this kind of packaging can not effectively prevent alcohol from volatilizing and leaking, alcohol volatilization can lead to alcohol concentration in cotton piece reduces, thereby influence disinfection and sterilization effect, and alcohol leakage not only can pollute surrounding environment, but also can easily cause security hidden danger. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the alcohol cotton piece packaging of prior art usually adopts simple plastic bag or paper bag packaging, and easily causes alcohol volatilization and leakage, and the alcohol cotton piece multilayer sealing anti -permeation packaging structure is provided.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] Alcohol cotton piece multilayer sealing anti -permeation packaging structure, including inner layer film, middle layer film and outer layer film, the inner layer film, middle layer film and outer layer film are sequentially arranged from inside to outside, the inner layer film, middle layer film and outer layer film form symmetrical three layer film structure through dry composite process, two three layer film structures are sealed and form the packaging bag body through four edge heat sealing process, the packaging bag body four edges form heat sealing line, the alcohol cotton piece is packaged in the packaging bag body.
[0007] As a further description of the above technical scheme, the material of the inner layer film is ethylene-vinyl alcohol copolymer, the material of the middle layer film is nylon, and the material of the outer layer film is biaxially oriented polypropylene.
[0008] As a further description of the above technical scheme, the inner layer film and middle layer film, middle layer film and outer layer film are all smeared with adhesive.
[0009] As a further description of the above technical scheme, two easy-to-tear openings are formed on both ends of one of the heat sealing lines of the packaging bag body.
[0010] As a further description of the above technical scheme, a humidity-sensitive color-changing mark is printed on one side of the packaging bag body.
[0011] As further description of the above technical solution, the packaging bag body is provided with a hanging hole at one end away from the two tearable openings.
[0012] As further description of the above technical solution, the outer surface of both ends of the packaging bag body is provided with a plurality of anti-skid convex points arranged at equal intervals.
[0013] Compared with the prior art, the packaging bag has the following beneficial effects:
[0014] In the packaging bag, the two symmetrical three-layer film structures are sealed at four edges, the inner layer film directly contacts the alcohol cotton sheet, the escape of alcohol molecules is reduced, the middle layer film further enhances the barrier property and prevents alcohol from passing through, the outer layer film can resist the influence of external environmental factors on the packaging structure and prevent the inner layer and the middle layer film from being physically damaged, the four-edge heat sealing process makes the edge of the packaging bag body firmly sealed, and the heat sealing line can effectively prevent alcohol from leaking from the edge of the bag body, thereby comprehensively solving the problems of alcohol evaporation and leakage and ensuring that the alcohol cotton sheet maintains effective alcohol concentration and disinfection and sterilization capacity within the shelf life. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a schematic view of the overall structure of the packaging bag of the present application;
[0016] Figure 2 is a sectional view of the packaging bag of the present application;
[0017] Figure 3 is a sectional view of the adhesive distribution position of the present application.
[0018] Reference signs: 10, packaging bag body; 101, inner layer film; 102, middle layer film; 103, outer layer film; 104, adhesive; 11, humidity sensing color-changing mark; 12, anti-skid convex point; 13, hanging hole; 14, tearable opening; 15, heat sealing line. DETAILED DESCRIPTION
[0019] In order to facilitate understanding of the present application, the present application will be described more comprehensively below with reference to the related drawings, which show several embodiments of the present application, but the present application can be realized in different forms and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the present application more thorough and comprehensive.
[0020] Please refer to the drawings Figures 1-3As shown, the utility model provides a technical scheme: alcohol cotton piece multilayer sealed anti -permeation packaging structure, including inner layer film 101, middle layer film 102 and outer layer film 103, inner layer film 101, middle layer film 102 and outer layer film 103 are arranged in order from inside to outside, and inner layer film 101, middle layer film 102 and outer layer film 103 form symmetrical three layer film structure through dry composite process, and two three layer film structures are sealed to form packaging bag body 10 through four edge heat sealing process, and the four edges of packaging bag body 10 are formed with heat sealing line 15, and alcohol cotton piece is packaged in the inside of packaging bag body 10.
[0021] Specifically, the three layer film composite structure forms multiple barriers, the inner layer film 101 directly contacts the alcohol cotton piece, can preliminarily block the escape of alcohol molecules, the middle layer film 102 further enhances the barrier property, reduces the possibility of alcohol diffusion through the film body, and the outer layer film 103 can resist the influence of external environmental factors on the internal film structure, thereby effectively slowing down the volatilization speed of alcohol, so that the alcohol cotton piece can maintain effective disinfection and sterilization concentration for a long time.
[0022] The material of the inner layer film 101 is ethylene-vinyl alcohol copolymer, the material of the middle layer film 102 is nylon, and the material of the outer layer film 103 is biaxially oriented polypropylene. The ethylene-vinyl alcohol copolymer has softness, can closely fit the shape of the alcohol cotton piece, and has good heat sealing performance, so as to be firmly heat sealed and compounded with the intermediate layer film. The nylon has excellent tensile strength, puncture resistance and flexibility, and has good composite compatibility with the inner layer film 101 and the outer layer film 103, so as to form a stable and high-strength structure after compounding. The biaxially oriented polypropylene has high transparency, which facilitates consumers to observe the internal alcohol cotton piece, and has good chemical resistance, moisture resistance and stiffness, and its surface printing suitability is good, which facilitates printing product information and brand logo.
[0023] In an embodiment of the utility model, as shown in Figure 3 The inner layer film 101, the middle layer film 102 and the outer layer film 103 are all coated with adhesive 104.
[0024] In detail, when the inner layer film 101, the middle layer film 102 and the outer layer film 103 are formed into a three-layer film structure by using a dry lamination process, the adhesive 104 is first uniformly coated on the inner layer film 101 and the middle layer film 102, and after drying to remove the solvent, the two layers of films are laminated by applying pressure and temperature in a lamination device, and then the outer layer film 103 is laminated with the laminated inner layer film 101 and middle layer film 102 by repeating the above coating, drying and lamination steps, so as to form a three-layer film structure.
[0025] In an embodiment of the present application, as shown in Figure 1 The packaging bag body 10 is provided with two tearable openings 14 at both ends of one heat sealing line 15, the tearable openings 14 are arranged at both ends of the heat sealing line 15, guiding the user to tear the packaging bag body 10 from a specific position, so that the position of tearing is more accurate and neat, avoiding tearing randomly to cause the packaging bag body 10 to be damaged too much or the alcohol cotton sheet to be exposed too much, thereby ensuring the integrity of the package and the convenience of use; meanwhile, the tearable openings 14 provide a force point for the user, reducing the difficulty of tearing the packaging bag body 10, facilitating the user to open the packaging bag body 10 to use the alcohol cotton sheet.
[0026] In an embodiment of the present application, as shown in Figure 1 The packaging bag body 10 is provided with two tearable openings 14 at both ends of one heat sealing line 15, the tearable openings 14 are arranged at both ends of the heat sealing line 15, guiding the user to tear the packaging bag body 10 from a specific position, so that the position of tearing is more accurate and neat, avoiding tearing randomly to cause the packaging bag body 10 to be damaged too much or the alcohol cotton sheet to be exposed too much, thereby ensuring the integrity of the package and the convenience of use; meanwhile, the tearable openings 14 provide a force point for the user, reducing the difficulty of tearing the packaging bag body 10, facilitating the user to open the packaging bag body 10 to use the alcohol cotton sheet.
[0027] The humidity-sensitive color-changing mark 11 is usually sensitive to moisture, when alcohol volatilizes and condenses into small water droplets, or external moisture enters through the small gap of the packaging structure, the mark area will change color, which can intuitively feedback the sealing state of the packaging structure to the user in real time, once the color change of the mark area is found, the user can know that the package may have sealing problems, alcohol has volatilization or leakage risk, so that timely use or replacement measures are taken to avoid using invalid alcohol cotton sheets.
[0028] In an embodiment of the present application, as shown in Figure 1 and Figure 2 The packaging bag body 10 is provided with two tearable openings 14 at both ends of one heat sealing line 15, the tearable openings 14 are arranged at both ends of the heat sealing line 15, guiding the user to tear the packaging bag body 10 from a specific position, so that the position of tearing is more accurate and neat, avoiding tearing randomly to cause the packaging bag body 10 to be damaged too much or the alcohol cotton sheet to be exposed too much, thereby ensuring the integrity of the package and the convenience of use; meanwhile, the tearable openings 14 provide a force point for the user, reducing the difficulty of tearing the packaging bag body 10, facilitating the user to open the packaging bag body 10 to use the alcohol cotton sheet.
[0029] In an embodiment of the present application, as shown in Figure 1 and Figure 2As shown, the two ends of the outer surface of the packaging bag body 10 are provided with a plurality of equally spaced anti-skid convex points 12, when the user holds the alcohol cotton piece package, the anti-skid convex points 12 increase the friction between the hands and the package, prevent the package from slipping in the hands, especially when the hands are wet or need to operate with one hand, can significantly improve the convenience and safety of use.
[0030] The utility model has been described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above-mentioned mode, as long as this kind of non-essential improvement that the method concept and technical scheme of the utility model are used or the concept and technical scheme of the utility model are directly applied to other occasions without improvement are all within the protection scope of the utility model.
Claims
1. A multi-layer sealed alcohol cotton piece packaging structure for preventing leakage, comprising an inner layer film (101), a middle layer film (102) and an outer layer film (103), characterized in that, The inner layer film (101), the middle layer film (102) and the outer layer film (103) are sequentially arranged from inside to outside, the inner layer film (101), the middle layer film (102) and the outer layer film (103) form a symmetrical three-layer film structure through a dry composite process, two three-layer film structures are sealed to form an packaging bag body (10) through a four-edge heat sealing process, the packaging bag body (10) is provided with heat sealing lines (15) on four edges, and the packaging bag body (10) internally packages alcohol cotton sheets.
2. The multi-layer sealed, alcohol pledget tamper-proof packaging structure of claim 1, wherein, The material of the inner layer film (101) is ethylene-vinyl alcohol copolymer, the material of the middle layer film (102) is nylon, and the material of the outer layer film (103) is biaxially oriented polypropylene.
3. The multi-layer sealed, alcohol pledget tamper-proof packaging structure of claim 1, wherein, The inner layer film (101) and the middle layer film (102) and the middle layer film (102) and the outer layer film (103) are all coated with an adhesive (104).
4. The multi-layer sealed, alcohol pledget tamper-proof packaging structure of claim 1, wherein, The packaging bag body (10) is provided with two tearable openings (14) at two ends of one heat sealing line (15) respectively.
5. The multi-layer sealed, alcohol pledget tamper-proof package of claim 1, wherein, The packaging bag body (10) is provided with a humidity-sensitive color-changing mark (11) on one side.
6. The multi-layer sealed, alcohol pledget tamper-proof packaging structure of claim 4, wherein, The packaging bag body (10) is provided with a hanging hole (13) at one end away from the two tearable openings (14).
7. The multi-layer sealed, alcohol pledget tamper-proof packaging structure of claim 1, wherein, The outer surfaces of the two ends of the packaging bag body (10) are both provided with a plurality of anti-slip convex points (12) arranged at equal intervals.