High-sealing anti-permeation barrier bottle
By using a multi-layered composite material and a threaded sealing structure, the problem of poor sealing of cosmetic bottles is solved, achieving a high sealing and anti-permeability effect and extending the shelf life of cosmetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-12
- Publication Date
- 2026-04-14
AI Technical Summary
Traditional cosmetic bottles have a simple sealing structure, which makes cosmetics easy to come into contact with the outside air, causing them to oxidize and deteriorate. They also cannot effectively prevent the penetration of substances such as moisture and oxygen, affecting product quality.
The bottle body is made of multi-layer composite material. The inner layer is ethylene-vinyl alcohol copolymer, the middle layer is polyamide, and the outer layer is acrylonitrile-butadiene-styrene copolymer. Combined with the threaded cap and sealing block, a multi-layer sealing structure is formed to enhance the sealing performance.
It effectively prevents cosmetics from coming into contact with the outside world, prevents leakage and volatilization, extends product life, and improves sealing and barrier performance.
Smart Images

Figure CN224117906U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cosmetic packaging technology, specifically to a high-sealing, impermeable barrier bottle. Background Technology
[0002] In the cosmetics industry, the performance of packaging bottles plays a crucial role in maintaining the quality of cosmetics. Traditional cosmetic bottles have relatively simple sealing structures, relying solely on a simple snap-fit or threaded connection between the cap and the bottle mouth. This often fails to create a good seal, allowing cosmetics to easily come into contact with outside air, accelerating oxidation and deterioration, and affecting the product's effectiveness and lifespan. Furthermore, some cosmetic bottles are made of a single material, which cannot effectively prevent the penetration of moisture, oxygen, and other substances, causing the active ingredients in the cosmetics to evaporate or undergo chemical reactions, thus reducing the quality of the cosmetics.
[0003] Based on the above, the present invention proposes a high-sealing, anti-permeability barrier bottle, which is particularly suitable for use as a cosmetic bottle and can effectively solve the above problems. Utility Model Content
[0004] This invention addresses the shortcomings of the existing technology by providing a high-sealing, impermeable barrier bottle.
[0005] This utility model is achieved through the following technical solution:
[0006] A high-sealing, impermeable barrier bottle includes a bottle body and a bottle cap. The bottle body has a bottle mouth at the top, and the bottle mouth and the bottle cap are connected by a threaded connection. A sealing block is fixedly connected to the inner top wall of the bottle cap, and the sealing block is sealed to the bottle mouth. The bottle body is made of a multi-layer composite material, which includes a contact layer, a barrier layer, and a protective layer from the inside out. The contact layer is made of ethylene-vinyl alcohol copolymer, the barrier layer is made of polyamide, and the protective layer is made of acrylonitrile-butadiene-styrene copolymer.
[0007] According to the above technical solution, as a further preferred technical solution, the outer wall of the sealing block is provided with a first sealing surface extending in a vertical direction, the bottom of the first sealing surface is connected to a second sealing surface extending in an inclined direction, and the bottom of the second sealing surface is connected to a third sealing surface extending in a vertical direction.
[0008] According to the above technical solution, as a further preferred technical solution, a semi-circular protrusion is provided on one side of the top of the third sealing surface.
[0009] According to the above technical solution, as a further preferred technical solution, the inner side of the bottle opening is provided with a fourth sealing surface that seals with the first sealing surface, a fifth sealing surface that seals with the second sealing surface, and a sixth sealing surface that seals with the third sealing surface.
[0010] According to the above technical solution, as a further preferred technical solution, the sixth sealing surface is provided with a groove that is connected to the protrusion.
[0011] According to the above technical solution, as a further preferred technical solution, the sealing block is made of polytetrafluoroethylene.
[0012] Compared with the prior art, this utility model has the following advantages and beneficial effects:
[0013] This utility model provides a high-sealing, anti-permeability barrier bottle. By setting a sealing block on the inner top wall of the bottle cap, it can be sealed to the bottle mouth, effectively preventing the contents of the bottle from contacting the outside air, moisture, etc., thus improving the sealing performance of the bottle and preventing leakage, evaporation, or deterioration of the contents. Simultaneously, the bottle body is made of multi-layer composite materials. The contact layer is made of ethylene-vinyl alcohol copolymer, which can prevent oxygen, water vapor, etc., from entering the bottle or the contents from permeating outwards. The barrier layer is made of polyamide, which has good mechanical and barrier properties, further enhancing the bottle's ability to block gases, liquids, and odors. The protective layer is made of acrylonitrile-butadiene-styrene copolymer, which can protect the internal contact and barrier layers from damage by external physical and chemical factors, extending the bottle's service life. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic cross-sectional view of the bottle body of this utility model;
[0016] Figure 3 This is a schematic diagram of the bottle mouth structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the bottle cap structure of this utility model. Detailed Implementation
[0018] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. For better illustration of this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual product dimensions. It is understandable that some well-known structures and their descriptions may be omitted in the drawings for those skilled in the art. The positional relationships described in the drawings are for illustrative purposes only and should not be construed as limiting this patent.
[0019] A high-sealing, impermeable barrier bottle includes a bottle body 1 and a bottle cap 2. The bottle body 1 has a bottle mouth 3 at its top, and the bottle mouth 3 and the bottle cap 2 are connected by a threaded connection. A sealing block 4 is fixedly connected to the inner top wall of the bottle cap 2, and the sealing block 4 is sealed to the bottle mouth 3. The bottle body 1 is made of a multi-layer composite material, which includes a contact layer 11, a barrier layer 12, and a protective layer 13 from the inside out. The contact layer 11 is made of ethylene-vinyl alcohol copolymer, the barrier layer 12 is made of polyamide, and the protective layer 13 is made of acrylonitrile-butadiene-styrene copolymer.
[0020] This invention, by setting a sealing block 4 on the inner top wall of the bottle cap 2, can seal the connection with the bottle mouth 3, effectively preventing the contents of the bottle from contacting the outside air, moisture, etc., thus improving the sealing performance of the bottle and preventing leakage, evaporation, or deterioration of the contents. Simultaneously, the bottle body is made of multi-layer composite materials. The contact layer 11 is made of ethylene-vinyl alcohol copolymer, which can prevent oxygen, water vapor, etc., from entering the bottle or the contents from permeating outwards; the barrier layer 12 is made of polyamide, which has good mechanical and barrier properties, further enhancing the bottle's ability to block gases, liquids, and odors; the protective layer 13 is made of acrylonitrile-butadiene-styrene copolymer, which can protect the internal contact layer and barrier layer from damage by external physical and chemical factors, extending the bottle's service life.
[0021] Furthermore, in another embodiment, the outer wall of the sealing block 4 is provided with a first sealing surface 41 extending in a vertical direction, the bottom of the first sealing surface 41 is connected to a second sealing surface 42 extending in an inclined direction, and the bottom of the second sealing surface 42 is connected to a third sealing surface 43 extending in a vertical direction.
[0022] By setting a sealing block 4 and providing a first sealing surface 41, a second sealing surface 42, and a third sealing surface 43 on the outer side wall of the sealing block 4, it can cooperate with the bottle mouth 3 at different angles and positions, better adapt to the shape and size of the bottle mouth 3, improve the tightness of the seal, enhance the sealing effect, and reduce the possibility of leakage.
[0023] Furthermore, in another embodiment, the inner side of the bottle opening 3 is provided with a fourth sealing surface 31 that seals with the first sealing surface 41, a fifth sealing surface 32 that seals with the second sealing surface 42, and a sixth sealing surface 33 that seals with the third sealing surface 43.
[0024] By setting a fourth sealing surface 31, a fifth sealing surface 32, and a sixth sealing surface 33 on the inside of the bottle mouth 3, a full-range and tight fit can be achieved with the sealing block 4, ensuring the integrity and reliability of the seal, ensuring the effectiveness of the entire sealing structure, and greatly improving the sealing and anti-permeability performance of the bottle.
[0025] Furthermore, in another embodiment, a semi-circular protrusion 44 is provided on one side of the top of the third sealing surface 43, and a groove 34 is provided on the sixth sealing surface 33 to cooperate with and connect with the protrusion 44.
[0026] The interaction between the protrusion 44 and the groove 34 not only prevents the sealing block 4 from rotating or shifting relative to the bottle mouth 3, ensuring the reliability of the sealing structure, but also further improves the tightness of the seal and prevents leakage.
[0027] Furthermore, in another embodiment, the sealing block 4 is made of polytetrafluoroethylene.
[0028] By setting a sealing block 4 made of polytetrafluoroethylene, it is possible to ensure that the sealing block 4 maintains good sealing performance under various environmental conditions, is not easily corroded or worn, and extends the service life of the sealing block 4.
[0029] Based on the description and drawings of this utility model, those skilled in the art can easily manufacture or use the high-sealing, anti-permeability barrier bottle of this utility model, and can produce the positive effects described in this utility model.
[0030] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the accompanying drawings and according to the specific circumstances.
[0031] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. A high-sealing, impermeable barrier bottle, characterized in that: The bottle includes a bottle body (1) and a bottle cap (2). The bottle body (1) has a bottle mouth (3) at the top. The bottle mouth (3) and the bottle cap (2) are connected by a threaded connection. A sealing block (4) is fixedly connected to the inner top wall of the bottle cap (2). The sealing block (4) is sealed to the bottle mouth (3). The bottle body (1) is made of multi-layer composite material, which includes a contact layer (11), a barrier layer (12) and a protective layer (13) from the inside to the outside. The contact layer (11) is made of ethylene-vinyl alcohol copolymer, the barrier layer (12) is made of polyamide, and the protective layer (13) is made of acrylonitrile-butadiene-styrene copolymer.
2. The high-sealing, anti-permeability barrier bottle according to claim 1, characterized in that: The outer wall of the sealing block (4) is provided with a first sealing surface (41) extending in the vertical direction, the bottom of the first sealing surface (41) is connected to a second sealing surface (42) extending in the inclined direction, and the bottom of the second sealing surface (42) is connected to a third sealing surface (43) extending in the vertical direction.
3. The high-sealing, anti-permeability barrier bottle according to claim 2, characterized in that: The top side of the third sealing surface (43) is provided with a semi-circular protrusion (44).
4. A high-sealing, impermeable barrier bottle according to claim 3, characterized in that: The inner side of the bottle opening (3) is provided with a fourth sealing surface (31) that seals with the first sealing surface (41), a fifth sealing surface (32) that seals with the second sealing surface (42), and a sixth sealing surface (33) that seals with the third sealing surface (43).
5. A high-sealing, impermeable barrier bottle according to claim 4, characterized in that: The sixth sealing surface (33) has a groove (34) that is connected to the protrusion (44).
6. A high-sealing, impermeable barrier bottle according to claim 1, characterized in that: The sealing block (4) is made of polytetrafluoroethylene.