A tear-off, irreversible, anti-counterfeiting aluminum-plastic composite cover

Abstract

This invention discloses a tear-off, irreversible, anti-counterfeiting aluminum-plastic composite cap, comprising a bottle body and a cap. The cap consists of an aluminum outer cap, a plastic inner cap, a tear-off portion, a locking portion, an aluminum foil sealing layer, and a stopper. The aluminum outer cap wraps around the outside of the plastic inner cap and is assembled with the inner cap as a whole through a snap-fit ​​structure. The tear-off portion is located on the side of the outer cap, and the locking portion is located at the end of the tear-off portion. The aluminum foil sealing layer is fixed to the bottom of the inner cap, and the stopper is embedded in the internal cavity of the inner cap. This invention employs a tear-off, destructive opening mechanism. When opened, the outer cap irreversibly breaks off along the tear and cannot be restored to its original state, resulting in a significant anti-counterfeiting effect. At the same time, the aluminum-plastic composite structure enhances the sealing effect, reduces the use of plastic parts, lowers plastic consumption, contributes to environmental protection, and is widely applicable to the sealing and anti-counterfeiting needs of various bottled products such as food, pharmaceuticals, and cosmetics.

Description

Technical Field

[0001] This invention belongs to the field of packaging anti-counterfeiting technology, specifically relating to a tear-off irreversible anti-counterfeiting aluminum-plastic combination cap. Background Technology

[0002] With the rapid development of the market economy and increasingly fierce market competition, the anti-counterfeiting issue of bottled products is receiving more and more attention from manufacturers and consumers. As the core sealing component of bottled products, the anti-counterfeiting performance of the bottle cap directly affects the product's brand image and consumers' health and safety. Currently, there are many types of anti-counterfeiting bottle caps on the market, but they generally suffer from the following unavoidable core technical defects: First, most existing anti-counterfeiting bottle caps use snap-on or threaded connections, which can be tightened back to their original state after being opened. Criminals can recycle genuine bottle caps for packaging counterfeit and shoddy products. Consumers cannot determine whether a product has been opened by looking at the bottle cap, leading to a proliferation of counterfeit and shoddy products and seriously damaging the legitimate rights and interests of manufacturers and consumers.

[0003] Secondly, existing anti-counterfeiting bottle caps mostly use a single plastic material with a simple sealing structure, relying solely on the clamping force of threads or buckles to achieve a seal. During long-term use or transportation, the seal is prone to failure, leading to product leakage, oxidation and deterioration, and shortening the product's shelf life.

[0004] Third, almost all existing anti-counterfeiting bottle caps are made of plastic, which consumes a large amount of plastic resources during the production process. They are difficult to degrade after disposal, causing serious environmental pollution and failing to meet the requirements of green environmental protection and sustainable development.

[0005] Fourth, some bottle caps currently use anti-counterfeiting marks such as laser coding and QR codes, but these marks are easy to copy and counterfeit, and consumers need to use special equipment or software to identify them, which raises the bar for identification and limits the effectiveness of anti-counterfeiting.

[0006] In view of the above-mentioned shortcomings of existing technologies, there is currently no effective integrated solution in the industry. Therefore, the development of a new type of anti-counterfeiting bottle cap that is irreversibly damaged after opening, has a good sealing effect, is environmentally friendly and energy-saving, and is easy to identify has become an urgent need in the packaging industry, and has extremely high market and social value. Summary of the Invention

[0007] To address the problems raised in the background art, the purpose of this invention is to provide a tear-off irreversible anti-counterfeiting aluminum-plastic composite cap. This invention employs a tear-off destructive opening mechanism, whereby the outer cap irreversibly breaks off along the tear when opened, making it impossible to restore to its original state, resulting in a significant anti-counterfeiting effect. At the same time, the aluminum-plastic composite structure enhances the sealing effect, reduces the use of plastic parts, lowers plastic consumption, contributes to environmental protection, and is widely applicable to the sealing and anti-counterfeiting needs of various bottled products such as food, pharmaceuticals, and cosmetics.

[0008] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows: A tear-off, irreversible, anti-counterfeiting aluminum-plastic composite cap, comprising a bottle body 1 and a cap 2; The bottle cap 2 includes an outer cap 3, a tear-off part 4, a locking part 5, an inner cap 6, an aluminum foil sealing layer 7, a bottle stopper 8, and a snap-fit ​​structure 9; The outer cover 3 wraps around the outer side of the inner cover 6. The outer cover 3 and the inner cover 6 are combined into a whole by a snap-fit ​​structure 9. The tear-off part 4 is integrally formed on the side of the outer cover 3 and extends along the circumference of the outer cover 3. The locking part 5 is fixed to the free end of the tear-off part 4 and is used to fix the end of the tear-off part 4. The aluminum foil sealing layer 7 is fixed to the bottom end face of the inner cover 6 and is sealed and fitted to the bottle mouth end face of the bottle body 1. The bottle stopper 8 is embedded in the internal cavity of the inner cover 6 and the lower part of the bottle stopper 8 extends into the bottle mouth of the bottle body 1.

[0009] Further specified, the outer cover 3 is an aluminum shell, and the inner cover 6 is a plastic inner cover; the snap-fit ​​structure 9 is integrally formed on the inner side wall of the outer cover 3 and the outer side wall of the inner cover 6, and the outer cover 3 and the inner cover 6 are fixedly connected by the snap-fit ​​structure 9 through interference fit.

[0010] Further specified, the tearing part 4 is a strip tearing strip arranged along the circumference of the outer cover 3, and pre-cut tear lines are provided between the two sides of the tearing part 4 and the main body of the outer cover 3, and the depth of the pre-cut tear lines is less than the wall thickness of the outer cover 3.

[0011] Further specifying, the locking part 5 is a ring buckle, one end of the locking part 5 is integrally formed with the free end of the tearing part 4, and the other end is detachably snapped and fixed to the main body of the outer cover 3.

[0012] Further specified, the aluminum foil sealing layer 7 is fixed to the bottom end face of the inner cap 6 by a hot pressing process, and the diameter of the aluminum foil sealing layer 7 matches the outer diameter of the bottle mouth of the bottle body 1, so as to achieve end face sealing of the bottle mouth.

[0013] Further specified, the bottle stopper 8 is a cylindrical elastic stopper, the outer side wall of the bottle stopper 8 is interference-fitted with the inner side wall of the inner cap 6, and the lower outer side wall of the bottle stopper 8 is interference-fitted with the inner side wall of the bottle mouth of the bottle body 1 to achieve radial sealing of the bottle mouth.

[0014] Furthermore, the top of the outer cover 3 is a planar structure, and the inner side of the top is fitted with the top end face of the inner cover 6.

[0015] Furthermore, the lower part of the outer cover 3 has a flared opening structure, and the inner diameter of the flared opening is larger than the outer diameter of the bottle opening of the bottle body 1.

[0016] Furthermore, when the tearing part 4 is pulled, the outer cover 3 is completely torn apart along the pre-cut tear line, and the original complete shape structure of the outer cover 3 is irreversibly destroyed and cannot be restored to its original state.

[0017] The beneficial effects of this invention are: This invention employs a tear-and-open mechanism. When opening, the aluminum cap must be completely torn along the pre-etched tear line. The original intact structure of the cap is irreversibly destroyed and cannot be restored to its original state. Consumers or inspectors can intuitively determine whether the product has been opened simply by observing whether the aluminum cap is intact. The identification is simple and intuitive, fundamentally eliminating the possibility of counterfeiting through recycled bottle caps.

[0018] This invention features a dual-seal aluminum-plastic combination, offering superior sealing performance. An aluminum foil sealing layer achieves a seal at the bottle mouth's end face, while the stopper provides a radial seal. This dual-seal structure completely solves the problem of inadequate sealing in existing bottle caps, improving sealing performance by over 50%. This effectively prevents product leakage and oxidation, extending the product's shelf life. Furthermore, this invention uses an aluminum outer cap to replace most plastic components, significantly reducing plastic usage and resource consumption. Simultaneously, the aluminum material is 100% recyclable, greatly reducing environmental pollution after disposal and meeting the requirements of green environmental protection and sustainable development.

[0019] All components of this invention are manufactured using integral molding or standard processes, resulting in a simple structure, convenient assembly, improved production efficiency compared to existing anti-counterfeiting bottle caps, reduced manufacturing costs, and ease of large-scale production and promotion. Furthermore, the aluminum-plastic combination cap of this solution is easy to open, providing a superior user experience. It opens via a tear-off section without the need for any tools, requires moderate opening force, and is simple and convenient to operate. Simultaneously, no debris is generated during opening, preventing contamination of the product inside the bottle, thus ensuring an excellent user experience. Attached Figure Description

[0020] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings; Figure 1 This is a schematic diagram of the structure of an embodiment of the tear-off irreversible anti-counterfeiting aluminum-plastic composite cover of the present invention; Figure 2 This is a front view of an embodiment of a tear-off irreversible anti-counterfeiting aluminum-plastic composite cover according to the present invention; Figure 3 This is a schematic diagram of the structure of a bottle cap according to an embodiment of the present invention: a tear-off irreversible anti-counterfeiting aluminum-plastic composite cap. Figure 4 This is a front view of a bottle cap according to an embodiment of the present invention: a tear-off irreversible anti-counterfeiting aluminum-plastic composite cap. Figure 5 This is a cross-sectional view of a bottle cap according to an embodiment of the present invention: a tear-off, irreversible, anti-counterfeiting aluminum-plastic composite cap.

[0021] The symbols for the main components are as follows: 1. Bottle body; 2. Bottle cap; 3. Outer cap; 4. Tear-off part; 5. Locking part; 6. Inner cap; 7. Aluminum foil sealing layer; 8. Bottle stopper; 9. Buckle structure. Detailed Implementation

[0022] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be further described below with reference to the accompanying drawings and embodiments. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0024] Furthermore, the use of terms such as "first" and "second" in this invention is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0025] like Figures 1-5 As shown, the present invention provides a tear-off irreversible anti-counterfeiting aluminum-plastic combination cap, comprising a bottle body 1 and a cap 2. The bottle cap 2 includes an outer cap 3, a tear-off part 4, a locking part 5, an inner cap 6, an aluminum foil sealing layer 7, a bottle stopper 8, and a snap-fit ​​structure 9; The outer cover 3 wraps around the outer side of the inner cover 6. The outer cover 3 and the inner cover 6 are combined into a whole by a snap-fit ​​structure 9. The tear-off part 4 is integrally formed on the side of the outer cover 3 and extends along the circumference of the outer cover 3. The locking part 5 is fixed to the free end of the tear-off part 4 and is used to fix the end of the tear-off part 4. The aluminum foil sealing layer 7 is fixed to the bottom end face of the inner cover 6 and is sealed and fitted to the bottle mouth end face of the bottle body 1. The bottle stopper 8 is embedded in the internal cavity of the inner cover 6 and the lower part of the bottle stopper 8 extends into the bottle mouth of the bottle body 1.

[0026] In the practical application of this embodiment, the outer cover 3 is an aluminum shell, and the inner cover 6 is a plastic inner cover; the snap-fit ​​structure 9 is integrally formed on the inner side wall of the outer cover 3 and the outer side wall of the inner cover 6, and the outer cover 3 and the inner cover 6 are fixedly connected by the snap-fit ​​structure 9 through an interference fit. Specifically, the bottle body 1 of this solution is made of PET plastic material, with an outer diameter of 28mm, an inner diameter of 22mm, and a bottle mouth height of 15mm. The outer cover 3 is made of 0.3mm thick aluminum alloy sheet by stamping, with an overall height of 25mm, a top diameter of 32mm, and a bottom flared mouth diameter of 35mm; the inner side wall of the outer cover is integrally formed with 3 V-shaped snaps, with a snap height of 1mm and an angle of 60°; the tear-off part 4 is a strip tear-off strip with a width of 8mm, extending 270° along the circumference of the outer cover, with pre-etched tear lines on both sides at a depth of 0.15mm; the locking part 5 is a ring snap with a diameter of 5mm, integrally formed with the free end of the tear-off part.

[0027] The inner cover 6 is made of food-grade PP plastic injection molding, with an overall height of 20mm, an outer diameter of 28mm, and an inner diameter of 22mm; the outer wall has 3 V-shaped grooves corresponding to the position of the outer cover's V-shaped buckle, which are interference fit with the outer cover's V-shaped buckle; the bottom end face of the inner cover is fixed with an aluminum foil sealing layer 7 through a hot-pressing composite process.

[0028] In the practical application of this embodiment, the tearing part 4 is a strip tearing strip arranged along the circumference of the outer cover 3. Pre-cut tear lines are provided between the two sides of the tearing part 4 and the main body of the outer cover 3. The depth of the pre-cut tear lines is less than the wall thickness of the outer cover 3.

[0029] In the practical application of this embodiment, the locking part 5 is a ring buckle. One end of the locking part 5 is integrally formed with the free end of the tearing part 4, and the other end is detachably snapped and fixed to the main body of the outer cover 3.

[0030] In the practical application of this embodiment, the aluminum foil sealing layer 7 is fixed to the bottom end face of the inner cap 6 by a hot-pressing process. The diameter of the aluminum foil sealing layer 7 matches the outer diameter of the bottle mouth of the bottle body 1, thereby achieving end face sealing of the bottle mouth. Specifically, the aluminum foil sealing layer 7 uses 0.05mm thick food-grade aluminum foil with a diameter of 28mm, and is hot-pressed onto the bottom end face of the inner cap, with a composite strength ≥5N / cm.

[0031] In the practical application of this embodiment, the bottle stopper 8 is a cylindrical elastic stopper. The outer wall of the bottle stopper 8 is press-fitted with the inner wall of the inner cap 6, and the lower outer wall of the bottle stopper 8 is press-fitted with the inner wall of the bottle mouth of the bottle body 1, thereby achieving a radial seal at the bottle mouth. Specifically, the bottle stopper 8 is made of food-grade silicone material, with an overall height of 18mm, a diameter of 22mm, and a Shore hardness of 40HA. The outer wall of the bottle stopper is provided with two annular sealing ribs, which are press-fitted with the inner wall of the inner cap and the inner wall of the bottle mouth, with an interference of 0.5mm.

[0032] In the practical application of this embodiment, the top of the outer cover 3 is a planar structure, and the inner side of the top is in contact with the top end face of the inner cover 6.

[0033] In the practical application of this embodiment, the lower part of the outer cover 3 is a flared structure, and the inner diameter of the flared opening is larger than the outer diameter of the bottle opening of the bottle body 1.

[0034] In the practical application of this embodiment, when the tearing part 4 is pulled, the outer cover 3 is completely torn open and broken along the pre-cut tear line. The original complete shape structure of the outer cover 3 is irreversibly destroyed and cannot be restored to its original state.

[0035] The working principle of this invention is as follows: After the bottle cap 2 is assembled, the aluminum foil sealing layer 7 fits tightly against the bottle mouth end face of the bottle body 1, achieving the first end face seal; the lower part of the bottle stopper 8 extends into the bottle mouth and is interference-fitted with the inner side wall of the bottle mouth, achieving the second radial seal; the aluminum outer cap 3 is tightly connected to the plastic inner cap 6 through the snap-fit ​​structure 9, pressing the inner cap 6, aluminum foil sealing layer 7 and bottle stopper 8 onto the bottle mouth, ensuring the long-term stability of the sealing structure.

[0036] Under normal conditions, the tear-off part 5 is fixed to the main body of the outer cap 3 by the locking part 5, and the outer cap 3 maintains its complete external structure. When it is necessary to open the bottle cap 2, the user pulls the locking part 5, which drives the tear-off part 4 to move along the pre-cut tear line, completely tearing and breaking the outer cap 3. After the outer cap 3 is broken, its original complete shape is irreversibly destroyed and cannot be reassembled to restore its original state. Only after breaking the outer cap 3 can the user access the inner plastic cap 6, unscrew the inner cap 6, and tear off the aluminum foil sealing layer 7 to complete the opening process. Since the outer cap 3 is destroyed once opened and cannot be reused, true irreversible anti-counterfeiting is achieved.

[0037] The bottle cap assembly process in this embodiment is as follows: After the inner cover 6 is injection molded, the aluminum foil sealing layer 7 is fixed to the bottom end face of the inner cover 6 through a hot-pressing composite process; Press the bottle stopper 8 into the inner cavity of the inner cap 6 so that the top of the bottle stopper 8 fits against the inner side of the top of the inner cap 6. The outer aluminum cap 3 is placed on the outside of the inner cap 6. The snap-fit ​​structure 9 of the outer cap 3 is pressed into the slot of the inner cap 6 by a stamping device, so that the outer cap 3 and the inner cap 6 are tightly combined into a whole. The locking part 5 is snapped and fixed on the body of the outer cap 3 to complete the assembly of the bottle cap 2.

[0038] The usage method and anti-counterfeiting verification process of this embodiment are as follows: In the sealed state, the assembled bottle cap 2 is screwed onto the bottle body 1 by threads, the aluminum foil sealing layer 7 is tightly fitted to the end face of the bottle mouth, and the bottle stopper 8 extends into the bottle mouth to achieve a double seal; at this time, the outer cap 3 maintains its complete external structure, and the tear-off part 4 is fixed by the locking part 5.

[0039] When opening, the user holds the locking part 5 with their fingers and pulls the tearing part 4 outward. The tearing part 4 completely tears the outer cover 3 along the pre-cut tear line and breaks it off. After the outer cover 3 is broken off, the inner plastic cover 6 is exposed. The user unscrews the inner plastic cover 6 and then tears off the aluminum foil sealing layer 7 to drink the product inside the bottle.

[0040] When purchasing a product, consumers only need to observe whether the aluminum outer cover 3 is intact. If the outer cover 3 has tears or is broken, it means that the product has been opened and is a counterfeit product. If the outer cover 3 is intact and undamaged, it means that the product is genuine and has not been opened.

[0041] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

[0042] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A tear-off, irreversible anti-counterfeiting aluminum-plastic composite cap, characterized in that: Includes the bottle body (1) and the bottle cap (2); The bottle cap (2) includes an outer cap (3), a tear-off part (4), a locking part (5), an inner cap (6), an aluminum foil sealing layer (7), a bottle stopper (8), and a snap-fit ​​structure (9); The outer cover (3) wraps around the outer side of the inner cover (6). The outer cover (3) and the inner cover (6) are combined into a whole by a snap-fit ​​structure (9). The tear-off part (4) is integrally formed on the side of the outer cover (3) and extends along the circumference of the outer cover (3). The locking part (5) is fixed to the free end of the tear-off part (4) and is used to fix the end of the tear-off part (4). The aluminum foil sealing layer (7) is fixed to the bottom end face of the inner cover (6) and is sealed and fitted to the bottle mouth end face of the bottle body (1). The bottle stopper (8) is embedded in the internal cavity of the inner cover (6). The lower part of the bottle stopper (8) extends into the bottle mouth of the bottle body (1).

2. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The outer cover (3) is an aluminum shell, and the inner cover (6) is a plastic inner cover; the buckle structure (9) is integrally formed on the inner side wall of the outer cover (3) and the outer side wall of the inner cover (6), and the outer cover (3) and the inner cover (6) are fixedly connected by the buckle structure (9) through interference fit.

3. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The tearing part (4) is a strip tearing strip arranged along the circumference of the outer cover (3). There are pre-cut tear lines between the two sides of the tearing part (4) and the main body of the outer cover (3). The depth of the pre-cut tear lines is less than the wall thickness of the outer cover (3).

4. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The locking part (5) is a ring buckle. One end of the locking part (5) is integrally formed with the free end of the tearing part (4), and the other end is detachably snapped and fixed to the main body of the outer cover (3).

5. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The aluminum foil sealing layer (7) is fixed to the bottom end face of the inner cap (6) by hot pressing. The diameter of the aluminum foil sealing layer (7) matches the outer diameter of the bottle mouth of the bottle body (1) to achieve end face sealing of the bottle mouth.

6. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The bottle stopper (8) is a cylindrical elastic stopper. The outer wall of the bottle stopper (8) is press-fitted with the inner wall of the inner cap (6). The lower outer wall of the bottle stopper (8) is press-fitted with the inner wall of the bottle mouth of the bottle body (1) to achieve radial sealing of the bottle mouth.

7. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The top of the outer cover (3) is a planar structure, and the inner side of the top is in contact with the top end face of the inner cover (6).

8. The tear-off irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: The lower part of the outer cover (3) has a flared mouth structure, and the inner diameter of the flared mouth is larger than the outer diameter of the bottle mouth of the bottle body (1).

9. A tear-off, irreversible anti-counterfeiting aluminum-plastic composite cap according to claim 1, characterized in that: When the tear section (4) is pulled, the outer cover (3) is completely torn and broken along the pre-cut tear line. The original complete shape structure of the outer cover (3) is irreversibly destroyed and cannot be restored to its original state.

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