Pressure-resistant sealed beverage easy open end
By introducing a combination of groove structure, reinforcing ring and reinforcing strip into the easy-open beverage cap, along with an aluminized film sealing sheet and a buffer strip, the problems of pressure resistance, sealing and ease of opening of the easy-open beverage cap are solved, thereby improving pressure resistance and preventing contamination, and ensuring drinking safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 英联金属科技(扬州)有限公司
- Filing Date
- 2025-08-05
- Publication Date
- 2026-06-16
AI Technical Summary
Existing easy-open beverage caps are inadequate in terms of pressure resistance, sealing, structural strength, and ease of opening. The cap structure lacks effective pressure-resistant design, is prone to deformation during transportation, and its surface is easily contaminated, affecting the safety of drinking beverages.
A pressure-resistant, sealed, easy-open beverage cap was designed, employing a combination of a groove structure, reinforcing rings, and reinforcing strips, along with an aluminized film sealing sheet and a buffer strip, to form a multi-level pressure-resistant support network that prevents deformation and isolates external contaminants.
It improves the overall rigidity and pressure resistance of the cover, prevents deformation, and isolates the outside air from contact with the inside through a seamless barrier, avoiding dust and bacterial contamination, thus improving the ease and safety of opening.
Smart Images

Figure CN224361713U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging technology, specifically to a pressure-resistant, sealed, easy-open beverage cap. Background Technology
[0002] Easy-open lids, also known as pull-tab lids, are metal packaging products, primarily made of aluminum or tinplate. They achieve their opening function through pre-cut lines and a riveted pull ring, and are suitable for sealing containers such as iron cans, aluminum cans, and composite cans in the food, beverage, and daily chemical industries.
[0003] Existing easy-open beverage caps have many shortcomings in terms of pressure resistance, sealing, structural strength, and ease of opening. The cap structure lacks effective pressure-resistant design, making it prone to deformation under external pressure during transportation. Furthermore, the surface of the easy-open cap lacks a protective layer, making it susceptible to contamination and affecting drinking safety. Therefore, a pressure-resistant, sealing easy-open beverage cap is proposed. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a pressure-resistant, sealed easy-open beverage cap, which solves the following problems: existing easy-open beverage caps have many deficiencies in pressure resistance, structural strength, and ease of opening; the cap structure lacks an effective pressure-resistant design and is easily deformed by external pressure during transportation; and the surface of the easy-open cap is not provided with a protective layer, making it susceptible to contamination and affecting the safety of drinking.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a pressure-resistant, sealed, easy-open beverage cap, comprising a cap body, the surface of which is recessed downward to form a groove, a fixing platform integrally formed on the inner wall of the groove, a sealing sheet provided on the fixing platform, a pull plate integrally formed on one side of the surface of the sealing sheet, the pull plate being folded and attached to the top surface of the sealing sheet, and a plurality of reinforcing rings and reinforcing strips being provided inside the groove.
[0008] As a further preferred embodiment of this utility model, the sealing sheet is made of aluminum-plated film, and the surface edge of the sealing sheet is connected to the fixed platform by heat-sealing.
[0009] As a further preferred embodiment of this utility model, a buffer strip is fixed to the back of the sealing sheet, and the buffer strip is composed of two annular foam strips and several straight foam strips.
[0010] As a further preferred embodiment of the present invention, a sealing plate is formed on the cover, and a pull ring is connected to one end of the top surface of the sealing plate.
[0011] As a further preferred embodiment of this utility model, three reinforcing rings are provided, and the diameter of the reinforcing rings decreases from the outside to the inside. The reinforcing strip has a T-shaped structure, and the end of the reinforcing strip is connected to the fixed platform.
[0012] (III) Beneficial Effects
[0013] This invention provides a pressure-resistant, sealed, easy-open beverage cap. It offers the following advantages:
[0014] This utility model features a grooved structure that enhances the overall rigidity of the cap. Combined with three layers of reinforcing rings with decreasing diameters and T-shaped reinforcing strips, it forms a multi-level pressure-resistant support network, effectively dispersing internal pressure stress and preventing cap deformation. The sealing strip edge and the fixing platform are heat-sealed to form a seamless barrier, fully covering the groove. An aluminum-plated film completely isolates external air from the inside of the cap, preventing dust and bacteria from directly contacting the cap surface. Double-ring foam and straight foam strips absorb the impact of filling, preventing the sealing strip from breaking and causing contaminants to fall off. Attached Figure Description
[0015] Figure 1 This is an external structural diagram of the pressure-resistant, sealed, easy-open beverage cap described in this utility model;
[0016] Figure 2 This is a diagram showing the internal structure of the pressure-resistant, sealed, easy-open beverage cap described in this utility model.
[0017] Figure 3 This is a back structure diagram of the sealing sheet described in this utility model.
[0018] In the diagram: 1. Cover; 2. Sealing plate; 3. Pull plate; 4. Fixing platform; 5. Reinforcing strip; 6. Reinforcing ring; 7. Pull ring; 8. Sealing plate; 9. Buffer strip. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1-3This utility model provides a technical solution: a pressure-resistant, sealed, easy-open beverage cap, including a cap body 1. The surface of the cap body 1 is recessed downward to form a groove. A fixing platform 4 is integrally formed on the inner wall of the groove. A sealing sheet 2 is provided on the fixing platform 4 to keep the inside of the groove sealed, preventing dust, bacteria, and liquid from entering the inside of the groove. A pull plate 3 is integrally formed on one side of the surface of the sealing sheet 2. The pull plate 3 is folded and attached to the top surface of the sealing sheet 2. Pulling the pull plate 3 can tear off the sealing sheet 2 for easy opening. Several reinforcing rings 6 and reinforcing strips 5 are also provided inside the groove. The reinforcing rings 6 and reinforcing strips 5 improve the structural strength of the cap body 1 and reduce the deformation of the cap body 1 caused by external impact.
[0021] Further improvements include the sealing sheet 2 being made of an aluminum-plated film, which combines high barrier properties with non-toxicity. The surface edge of the sealing sheet 2 is connected to the fixing platform 4 by heat-sealing to form a seamless barrier.
[0022] Further improvements include a buffer strip 9 fixed to the back of the sealing sheet 2. The buffer strip 9 consists of two annular foam strips and several straight foam strips. The annular foam strips and straight foam strips are intersected and connected to form a grid buffer layer to absorb impact force.
[0023] Further improvements include a sealing plate 8 formed on the cover 1, with a pull ring 7 connected to one end of the top surface of the sealing plate 8. Pulling the pull ring 7 will cause the sealing plate 8 to be disassembled in conjunction with the cover.
[0024] Further improvements include the addition of three reinforcing rings 6, with the diameter of each ring decreasing from the outside in. The reinforcing strip 5 has a T-shaped structure, and its end is connected to the fixed platform 4, thereby improving the structural strength of the cover 1.
[0025] Working principle: After filling, the cap 1 is installed on the can body, and then the sealing sheet 2 is placed in the groove of the cap 1. The sealing sheet 2 is connected to the cap 1 by heat sealing. The sealing sheet 2 can be removed from the cap 1 by pulling the pull plate 3, and then the cap can be opened by pulling the pull ring 7 to drive the sealing plate 8. The reinforcing ring 6 and reinforcing strip 5 on the cap 1 improve the structural strength, and the buffer strip 9 on the back of the sealing sheet 2 improves the buffering effect and enhances the pressure resistance of the easy-open cap.
[0026] The components of this utility model are: 1. cap; 2. sealing sheet; 3. pull plate; 4. fixing platform; 5. reinforcing strip; 6. reinforcing ring; 7. pull ring; 8. sealing plate; 9. buffer strip. All components are general standard parts or components known to those skilled in the art. Their structure and principle can be learned by those skilled in the art through technical manuals or conventional experimental methods. The problem solved by this utility model is that existing easy-open beverage caps have many deficiencies in pressure resistance, sealing performance, structural strength, and ease of opening. The cap 1 structure lacks an effective pressure-resistant design and is easily deformed by external pressure during transportation. The surface of the easy-open cap is not provided with a protective layer, and its surface is easily contaminated, affecting the safety of drinking. This utility model improves the overall rigidity of the cap 1 through the combination of the above components. The groove structure of this utility model enhances the overall rigidity of the cap 1. With the three layers of reinforcing rings 6 with decreasing diameters and T-shaped reinforcing strips 5, a multi-level pressure-resistant support network is formed, which effectively disperses internal pressure stress and prevents the cap 1 from deforming. The edge of the sealing sheet 2 is heat-sealed to the fixing platform 4, forming a seamless barrier that fully covers the groove. The aluminum-plated film completely isolates the outside air from the inside of the cover 1, preventing dust and bacteria from the outside air from directly contacting the surface of the cover 1. Double-ring foam and straight foam strips absorb the impact of filling, preventing the sealing sheet 2 from breaking and causing contaminants to fall off. The above shows and describes the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A pressure-resistant, sealed, easy-open beverage cap, comprising a cap body (1), characterized in that: The surface of the cover (1) is recessed downward to form a groove. The inner wall of the groove is integrally formed with a fixing platform (4). A sealing plate (2) is provided on the fixing platform (4). A pull plate (3) is integrally formed on one side of the surface of the sealing plate (2). The pull plate (3) is folded and attached to the top surface of the sealing plate (2). Several reinforcing rings (6) and reinforcing strips (5) are also provided inside the groove.
2. The pressure-resistant, sealed, easy-open beverage cap according to claim 1, characterized in that: The sealing sheet (2) is made of aluminum-plated film, and the surface edge of the sealing sheet (2) is connected to the fixed platform (4) by heat-pressing.
3. The pressure-resistant, sealed, easy-open beverage cap according to claim 1, characterized in that: The back of the sealing sheet (2) is fixed with a buffer strip (9), which is composed of two annular foam strips and several straight foam strips.
4. The pressure-resistant, sealed, easy-open beverage cap according to claim 1, characterized in that: A sealing plate (8) is formed on the cover (1), and a pull ring (7) is connected to one end of the top surface of the sealing plate (8).
5. The pressure-resistant, sealed, easy-open beverage cap according to claim 1, characterized in that: There are three reinforcing rings (6) in total, and the diameter of the reinforcing rings (6) decreases from the outside to the inside. The reinforcing strip (5) has a T-shaped structure and the end of the reinforcing strip (5) is connected to the fixed platform (4).