Double-film PE (polyethylene) foaming gasket
By designing anti-loosening barbs and reinforcing layers on the gasket, combined with anti-aging and antibacterial coatings, the problems of gasket slippage and deformation are solved, achieving stable sealing and extended shelf life.
Patent Information
- Application Number
- CN202423035858.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Traditional gaskets are prone to displacement or slippage after repeated opening and closing, and after long-term use, they will produce irreversible dents, affecting sealing performance and accelerating material aging, thus shortening the shelf life.
The design incorporates anti-slip barbs and reinforcement components, including anti-slip barbs and a reinforcing layer to prevent the pad from slipping and the reinforcing layer to prevent deformation; the interior is coated with an anti-aging and antibacterial coating to delay material aging.
It improves the stability and sealing reliability of gaskets, extends shelf life, enhances user experience, and ensures product quality and hygiene safety.
Smart Images
Figure CN223575109U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of bottle cap sealing, especially to double-coated PE foamed gasket. BACKGROUND
[0002] In the sealing packaging industry, double-coated PE foamed gaskets are widely used in food, medicine, cosmetics, and other fields due to their excellent sealing performance and durability. PE foamed gaskets have good elasticity and resilience. When the bottle cap is tightened, the foamed layer is moderately compressed under the pressure of the bottle opening, filling the tiny gap between the bottle opening and the bottle cap. Due to the reaction force generated by this compression, the gasket can tightly adhere to the surface of the bottle opening, achieving a preliminary physical sealing effect and preventing gas and pollutants from entering the bottle.
[0003] However, traditional gaskets are prone to displacement or sliding after multiple opening and closing, especially after long-term compression, the gasket may produce an irreversible indentation due to continuous stress. This indentation not only affects the sealing effect, but also causes the sealing performance to gradually weaken. At the same time, external environmental factors and the contact between the gasket and the contents may accelerate the aging and deformation of the gasket, gradually degrading its material properties, thereby shortening the shelf life of the product. These sealing failure problems directly affect the quality and safety of the product, which may cause the product to deteriorate or be contaminated, adversely affecting the user's experience.
[0004] Therefore, a double-coated PE foamed gasket is proposed to solve the above problems. SUMMARY
[0005] To overcome the above shortcomings, the utility model provides a double-coated PE foamed gasket, aiming to improve the problem of the gasket sliding out of the bottle cap when opening the bottle cap and the gasket producing an irreversible indentation after long-term use.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a double-coated PE foamed gasket, including a foamed gasket body, a anti-dropping assembly is arranged on the outer side of the foamed gasket body, a reinforcing assembly is arranged at the bottom of the foamed gasket body.
[0007] The anti-dropping assembly includes a plurality of anti-dropping barbs, which are evenly fixedly connected to the outer side of the foamed gasket body.
[0008] Further description of the above technical scheme:
[0009] The reinforcing assembly includes a reinforcing layer, which is fixedly connected to the bottom of the foamed gasket body.
[0010] Further description of the above technical scheme:
[0011] The foamed gasket body top is fixedly connected with a sheet.
[0012] As a further description of the above technical solution:
[0013] The foamed gasket body is internally provided with an anti-aging coating.
[0014] As a further description of the above technical solution:
[0015] The anti-aging coating is provided at the bottom with an antibacterial coating.
[0016] As a further description of the above technical solution:
[0017] The sheet can be folded on the foamed gasket body top.
[0018] As a further description of the above technical solution:
[0019] The anti-falling barb is curved.
[0020] As a further description of the above technical solution:
[0021] The reinforcing layer is arranged directly above the bottle mouth to be sealed.
[0022] The utility model has the following beneficial effects:
[0023] 1. In the utility model, when installing the bottle cap gasket, the anti-falling barb is designed on the outer edge of the gasket to prevent the gasket from falling out of the bottle cap during opening. The barbs are evenly distributed along the edge of the gasket and have a slightly outward hook structure. When the gasket is installed in the bottle cap, the barbs slide into the inner wall of the bottle cap and firmly engage with the convex thread of the inner wall. When opening the cap, the barbs ensure that the gasket will not slide out or fall off. Not only the stability of the gasket is effectively ensured, but also the reliability of the sealing is significantly improved, which helps to prolong the shelf life of the product and improve the user experience.
[0024] 2. In the utility model, an enhancement layer is added to the part where the bottle mouth contacts the gasket to avoid the gasket forming an unrecoverable indentation due to persistent pressure. The enhancement layer not only enhances the pressure resistance of the gasket, but also enables it to maintain stable shape during repeated use, significantly improves the sealing effect of the gasket, avoids the sealing performance decline caused by indentation deformation, provides more reliable protection for the user, and ensures the quality and freshness of the product in the bottle. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 The first perspective view of the double-coated PE foamed gasket according to the utility model is shown in the figure.
[0026] Figure 2 The Figure 1An enlarged schematic view at A in the middle;
[0027] Figure 3 A second perspective schematic view of the double-film-coated PE foamed gasket according to the present application;
[0028] Figure 4 A structural schematic view of the material of the double-film-coated PE foamed gasket according to the present application.
[0029] Legend:
[0030] 1, foamed gasket body; 2, anti-falling barb; 3, sheet; 4, reinforcing layer; 5, anti-aging coating; 6, antibacterial coating. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] With reference to Figure 1 - Figure 4 An embodiment provided by the present application: a double-film-coated PE foamed gasket, comprising a foamed gasket body 1, the foamed gasket body 1 is provided with an anti-falling assembly on the outer side, and the foamed gasket body 1 is provided with a reinforcing assembly at the bottom.
[0033] The anti-falling assembly comprises a plurality of anti-falling barbs 2, the plurality of anti-falling barbs 2 are fixedly connected to the outer side of the foamed gasket body 1 uniformly, the foamed gasket body 1 is the core part of the entire gasket, is usually made of polyethylene (PE) foamed material, has excellent elasticity and resilience, is used for filling the tiny gap between the bottle mouth and the bottle cap by moderate compression when the bottle cap is tightened, so as to realize the preliminary sealing effect, the anti-falling barb 2 is designed in a curved shape and is used for forming a clamping with the convex thread on the inner wall of the bottle cap when the gasket is put into the bottle cap, so as to prevent the gasket from being displaced or falling off during the opening or closing of the cap. Through the abutting action of the barb, the gasket can be stably fixed inside the bottle cap, and is not easy to slide out even after being opened and closed for many times or being used for a long time.
[0034] With reference to Figure 1 - Figure 4 The reinforcing assembly comprises a reinforcing layer 4, the reinforcing layer 4 is fixedly connected to the bottom of the foamed gasket body 1, and the reinforcing layer 4 is arranged directly above the bottle mouth and is used for increasing the compressive strength of the foamed gasket body 1, preventing the foamed gasket body 1 from being permanently indented under the condition of being pressed for a long time, effectively preventing the deformation of the gasket, and ensuring the stability of the sealing performance.
[0035] With reference toFigure 1 Figure 4 The top of the foamed gasket body 1 is fixedly connected with a sheet 3, which is used to facilitate the taking of the gasket during installation and can be folded on the surface of the foamed gasket body 1. After being taken, the sheet 3 can be folded, so as not to affect the installation of the gasket.
[0036] With reference to Figure 4 The inside of the foamed gasket body 1 is provided with an anti-aging coating 5, which is used to delay the aging speed of the gasket material. The coating prevents the gasket from failing due to material degradation during long-term use by resisting the erosion of environmental factors such as ultraviolet rays and oxidation.
[0037] With reference to Figure 1 Figure 3 The bottom of the anti-aging coating 5 is provided with an antibacterial coating 6, which is used to inhibit the breeding of bacteria, mold and other microorganisms. The antibacterial coating 6 can prevent microbial contamination of the contents in the bottle, not only improving the protection of the gasket, but also increasing the hygiene and safety of the product, providing a healthier user experience.
[0038] Working principle: During the process of placing the gasket in the bottle cap, the foamed gasket body 1 can be lifted by the sheet 3, and then the sheet 3 is folded to the surface of the foamed gasket body 1, so as to more conveniently put the gasket into the bottle cap. In this process, the foamed gasket body 1 is placed into the bottle cap with the side without the reinforcing layer 4, and the anti-falling barb 2 is in close contact with the raised threads on the inner wall of the bottle cap and forms a clamping, preventing it from easily falling off during repeated opening and closing or use. The reinforcing layer 4 is provided at the position where the foamed gasket body 1 directly contacts the bottle mouth. The reinforcing layer 4 can effectively prevent the deformation of the foamed gasket body 1 under the condition of repeated opening and closing of the bottle cap and long-term pressure, avoiding the occurrence of irreversible dents due to stress, and thus ensuring the continuous sealing effect and durability of the gasket. In addition, the inside of the foamed gasket body 1 is coated with an anti-aging coating 5, which can resist the influence of external environment such as temperature change, humidity and ultraviolet rays, thereby delaying the aging speed of the gasket material and further enhancing its service life. The antibacterial coating 6 is provided at the bottom of the anti-aging coating 5, which can effectively inhibit the breeding of bacteria and microorganisms, prevent pollutants from entering the bottle, and ensure the hygiene and safety of the products in the bottle.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.
Claims
1. A double-layered PE foam gasket, comprising a foam gasket body (1), characterized in that: An anti-detachment component is provided on the outside of the foam pad body (1), and a reinforcement component is provided at the bottom of the foam pad body (1); The anti-detachment component includes multiple anti-detachment barbs (2), which are uniformly fixedly connected to the outside of the foam pad body (1).
2. The double-coated PE foam gasket according to claim 1, characterized in that: The reinforcement component includes a reinforcing layer (4), which is fixedly connected to the bottom of the foam pad body (1).
3. The double-coated PE foam gasket according to claim 1, characterized in that: A thin sheet (3) is fixedly connected to the top of the foam pad body (1).
4. The double-coated PE foam gasket according to claim 1, characterized in that: The foam pad body (1) is provided with an anti-aging coating (5).
5. The double-coated PE foam gasket according to claim 4, characterized in that: The bottom of the anti-aging coating (5) is provided with an antibacterial coating (6).
6. The double-coated PE foam gasket according to claim 3, characterized in that: The sheet (3) can be folded over the top of the foam pad body (1).
7. The double-coated PE foam gasket according to claim 1, characterized in that: The anti-detachment barbs (2) are curved.
8. The double-coated PE foam gasket according to claim 2, characterized in that: The reinforcing layer (4) is positioned directly above the desired sealed bottle opening.