Packaging bottle with good sealing performance for collagen peptide storage

By introducing a sealing design with rubber gaskets and one-way valves into the collagen peptide packaging bottle, as well as enhanced sealing with aluminum foil film and nano silica coating, the problem of gas pressure inside the bottle cannot be eliminated, thus achieving stable storage and efficient protection of collagen peptides.

CN223822405UActive Publication Date: 2026-01-23XIAMEN RUIJU MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202520134660.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-23
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing collagen peptide packaging bottles lack venting devices, which prevents the release of gas when the internal pressure exceeds the external pressure. This can easily lead to collagen deterioration and reduce the practicality of the device.

Method used

The bottle features a design with a rubber gasket and a one-way valve inside the cap. The bottle neck and cap are connected by a threaded groove. The rubber gasket fits tightly to form a seal, and the one-way valve allows gas inside the bottle to escape. The aluminum foil film and nano-silica coating enhance the sealing performance. It is also equipped with a temperature detector and an alarm light system to monitor the temperature in real time and provide warnings when the temperature is high.

Benefits of technology

Ensures the bottle is sealed to prevent oxidation and deterioration, automatically regulates the gas pressure to provide a stable storage environment, and uses a temperature detector to provide timely warnings to prevent high-temperature deterioration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medicinal containers, and discloses a packaging bottle with good sealing performance for collagen peptide storage, which comprises a bottle body, an aluminum foil film is fixedly connected to the outer wall of the bottle body, a nano silicon dioxide coating is fixedly connected to the inner wall of the aluminum foil film, a bottle neck is fixedly connected to the top of the bottle body, and the bottle neck is fixedly connected to the bottom of the bottle body. A threaded groove is formed in the outer side of the top of the outer wall of the bottle neck, the inner wall of the threaded groove is in threaded connection with a bottle cap, the bottom of the inner wall of the bottle cap is fixedly connected with a rubber pad, and the middle of the top end of the bottle cap communicates with a one-way valve. According to the collagen peptide packaging bottle, after the bottle cap is screwed, the rubber pad is tightly attached to the top of the bottle neck, it is guaranteed that the sealing performance of the packaging bottle is always in a good state, the collagen peptide is effectively prevented from making contact with outside air to cause oxidative deterioration and the like, and the one-way valve can be automatically opened when air pressure in the bottle is increased due to temperature rise; and excessive gas is exhausted, so that the damage to the packaging bottle caused by overhigh pressure in the bottle is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical container technology, and in particular to a well-sealed packaging bottle for storing collagen peptides. Background Technology

[0002] Collagen peptides are extracellular proteins composed of amino acids. The human body absorbs them in the form of peptides, and the absorption and utilization rate of edible protein peptides can reach 100%. Collagen is the most important component of the extracellular matrix. Most existing packaging bottles for collagen peptides consist of a bottle body, a sealing structure, and a cap.

[0003] A search revealed Chinese patent publication number CN217199287U, which discloses a well-sealed packaging bottle for storing collagen peptides. The bottle includes a bottle body, an annular groove at the top of the inner part of the bottle cap, multiple springs fixedly connected to the top of the annular groove, and a fixing ring matching the annular groove fixedly connected to the lower end of each spring. A first sealing ring is fixedly connected to the lower end of the fixing ring. A connecting box is installed at the top of the inner part of the bottle cap, and the inside of the connecting box is filled with a pharmaceutical desiccant. A third sealing ring is embedded in the inner wall of the bottle opening. A first annular opening is formed through the upper end of the first box, and a mesh ring is fixedly connected inside the first annular opening. This design facilitates the compression and adhesion of the first sealing ring to the upper end of the bottle opening even after wear and deformation, improving the seal between the bottle cap and the bottle opening and facilitating the drying and absorption of incoming moisture. However, in actual use, because the bottle cap lacks a corresponding venting device when closed, the gas pressure inside the bottle cannot escape when it exceeds the external gas pressure, easily leading to the deterioration of the collagen inside and reducing the practicality of the device. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a well-sealed packaging bottle for storing collagen peptides, aiming to improve the problem in the prior art where the bottle cap does not have a corresponding venting device, and when the gas pressure inside the bottle is greater than the external gas pressure, the gas inside the bottle cannot be expelled, which can easily lead to the deterioration of the collagen inside the bottle and reduce the practicality of the device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a well-sealed packaging bottle for storing collagen peptides, comprising a bottle body, an aluminum foil film fixedly connected to the outer wall of the bottle body, a nano-silica coating fixedly connected to the inner wall of the aluminum foil film, a bottle neck fixedly connected to the top of the bottle body, a threaded groove formed on the outer side of the top of the outer wall of the bottle neck, a bottle cap threadedly connected to the inner wall of the threaded groove, a rubber gasket fixedly connected to the bottom of the inner wall of the bottle cap, a one-way valve connected to the top center of the bottle cap, and a detection mechanism provided on the inner wall with the nano-silica coating.

[0006] Through the above technical solution: the bottle neck and the bottle cap are connected by a threaded groove. When the bottle cap is tightened into the threaded groove, the rubber gasket at the bottom of the inner wall of the bottle cap fits tightly against the top of the bottle neck. The rubber gasket fills the tiny gap between the bottle cap and the bottle neck, forming a good seal. The one-way valve allows the gas inside the bottle to be discharged outward under specific conditions, while preventing external gas from entering in the reverse direction. When the temperature inside the bottle rises, causing the gas pressure inside the bottle to increase, the one-way valve will automatically open to release excess gas, thus preventing the pressure inside the bottle from becoming too high. The aluminum foil film has good barrier properties, blocking the intrusion of external factors such as light, oxygen, and water vapor. The nano-silica coating further enhances the sealing performance of the packaging bottle, providing more stringent protection for the collagen peptides.

[0007] As a further description of the above technical solution:

[0008] The detection mechanism includes a temperature detector, which is fixedly connected to the front side of the inner wall with a nano-silica coating. A protective shell is fixedly connected to the outer wall of the temperature detector. A reserved slot two is opened on the front side of the outer wall of the bottleneck. A display is fixedly connected to the inner wall of the reserved slot two. An alarm light is fixedly connected to the right side of the outer wall of the display.

[0009] Through the above technical solution: the temperature detector can accurately sense the temperature of the environment where the collagen peptides are located inside the bottle, and convert the physical quantity of temperature into a corresponding electrical signal. The protective shell protects the temperature detector, preventing it from being directly impacted and squeezed by the collagen peptides inside the bottle, thus extending the service life of the temperature detector. The display receives the signal from the temperature detector, and when the temperature exceeds the set value, the alarm light illuminates, reminding the user to move the bottle to a lower temperature area to prevent the collagen from deteriorating in a high-temperature environment.

[0010] As a further description of the above technical solution:

[0011] The bottle cap has rotating grooves on both the left and right sides of its top. The inner walls of the two rotating grooves are rotatably connected to a retaining plate. Each of the two retaining plates has a reserved slot on an adjacent side. A retaining ring is fixedly connected to the middle of the outer wall of the bottle neck. Both reserved slots engage with the retaining ring. Multiple springs are fixedly connected to an adjacent side of the two retaining plates. The other ends of the multiple springs are fixedly connected to the corresponding rotating grooves.

[0012] Through the above technical solution: when the bottle cap is screwed onto the bottle neck, as the bottle cap gradually moves downward and approaches the final tightened position, the retaining ring on the bottle neck will gradually contact the reserved groove one on the retaining plate. Since the retaining plate can rotate in the rotating groove, under the squeezing action of the retaining ring, the retaining plate will overcome the elastic force of the spring and rotate outward, so that the retaining ring can smoothly enter the reserved groove one, further enhancing the stability of the connection between the bottle cap and the bottle neck.

[0013] As a further description of the above technical solution:

[0014] A connecting ring is fixedly connected to the outer wall of the bottleneck, and a hanging plate is fixedly connected to the right side of the connecting ring.

[0015] Through the above technical solution, the subsequent installation of the connecting ring and the hanging plate provides a solid foundation support and is tightly connected to the bottle neck, ensuring that the connected components can be stably attached to the packaging bottle, and the hanging plate is easy to hang.

[0016] As a further description of the above technical solution:

[0017] An installation groove is provided on the rear side of the outer wall of the aluminum foil film, and an information sign is fixedly connected to the inner wall of the installation groove.

[0018] Through the above technical solution, the information board is used to display relevant product information, making it easier for users to intuitively understand the product situation.

[0019] As a further description of the above technical solution:

[0020] The bottom of the aluminum foil film is fixedly connected to multiple soft pads, and the multiple soft pads are distributed in a ring with the bottom center of the aluminum foil film as the center.

[0021] The above technical solution allows for the even distribution of soft pads at the bottom of the packaging bottle, providing cushioning and support.

[0022] As a further description of the above technical solution:

[0023] Each of the multiple soft pads has multiple anti-slip blocks fixedly connected to its bottom, and the distance between the multiple anti-slip blocks is equal.

[0024] The above technical solution increases the friction between the anti-slip block and the contact surface, preventing the packaging bottle from easily sliding on the placement surface.

[0025] As a further description of the above technical solution:

[0026] Multiple anti-slip strips are fixedly connected to the outer wall of the aluminum foil film, and the multiple anti-slip strips are distributed in a ring around the center of the aluminum foil film.

[0027] Through the above technical solution, the anti-slip strip makes it easier to hold the packaging bottle more firmly when holding it, preventing the packaging bottle from slipping and falling.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the tight fit between the rubber gasket and the top of the bottle neck after the cap is tightened ensures that the sealing performance of the packaging bottle is always in good condition, effectively preventing the collagen peptides from oxidizing and deteriorating due to contact with the outside air. The one-way valve can automatically open when the gas pressure inside the bottle increases due to the temperature rise, releasing excess gas. This not only avoids damage to the packaging bottle caused by excessive pressure inside the bottle, but also maintains a relatively sealed state inside the bottle, providing a stable storage environment for the collagen peptides.

[0030] 2. In this utility model, the temperature detector can accurately sense the temperature of the environment in which the collagen peptides are located inside the bottle. The display and the temperature detector work together. After receiving the signal from the temperature detector, the display can present the temperature value to the user in an intuitive form. When the temperature is greater than the set value, the alarm light will light up. This function provides the user with timely warning, thereby playing a protective role for collagen. Attached Figure Description

[0031] Figure 1 A perspective view of the well-sealed packaging bottle for storing collagen peptides proposed in this utility model;

[0032] Figure 2 This is a partial structural exploded view of the airtight packaging bottle for storing collagen peptides proposed in this utility model.

[0033] Figure 3 This is a schematic diagram of the aluminum foil film for a well-sealed packaging bottle for storing collagen peptides, as proposed in this utility model.

[0034] Figure 4 This is a partial structural diagram of the airtight packaging bottle for storing collagen peptides proposed in this utility model.

[0035] Figure 5 This is a schematic diagram of the internal structure of a well-sealed packaging bottle for storing collagen peptides proposed in this utility model.

[0036] Figure 6This is a schematic diagram of the testing mechanism for a well-sealed packaging bottle for storing collagen peptides, as proposed in this utility model.

[0037] Legend:

[0038] 1. Bottle body; 2. Detection mechanism; 201. Temperature detector; 202. Protective shell; 203. Reserved slot two; 204. Display; 205. Alarm light; 3. Aluminum foil film; 4. Nano silica coating; 5. Bottle neck; 6. Threaded groove; 7. Bottle cap; 8. One-way valve; 9. Rotating groove; 10. Clamping plate; 11. Reserved slot one; 12. Clamping ring; 13. Spring; 14. Connecting ring; 15. Hanging plate; 16. Rubber pad; 17. Mounting groove; 18. Information board; 19. Soft pad; 20. Anti-slip block; 21. Anti-slip strip. Detailed Implementation

[0039] 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.

[0040] Reference Figure 1 , Figure 2 and Figure 3This utility model provides an embodiment of a well-sealed packaging bottle for storing collagen peptides, comprising a bottle body 1, which provides direct storage space for the collagen peptides. An aluminum foil film 3 is fixedly connected to the outer wall of the bottle body 1. The aluminum foil film 3 forms a barrier against external light, oxygen, and moisture, preventing these external factors from contacting the collagen peptides inside the bottle. A nano-silica coating 4 is fixedly connected to the inner wall of the aluminum foil film 3, further preventing external gases and moisture from penetrating into the bottle. A bottle neck 5 is fixedly connected to the top of the bottle body 1, providing suitable space and a connection base for subsequent operations such as installing, sealing, and opening the bottle cap 7. A threaded groove 6 is formed on the outer side of the top of the outer wall of the bottle neck 5. The inner wall of the threaded groove 6 is threadedly connected to the bottle cap 7. When the bottle cap 7 is rotated in the correct direction, it gradually moves downward along the threaded groove 6 and finally tightens onto the bottle neck 5. Sealing is achieved by the friction between the threads and the subsequent structural cooperation. A rubber gasket 16 is fixedly connected to the bottom of the inner wall of the bottle cap 7. When the bottle cap 7 is tightened onto the bottle neck 5... When the bottle neck 5 is in place, the rubber pad 16 is subjected to pressure from the top of the bottle neck 5, tightly adhering to the top surface of the bottle neck 5, enhancing the overall sealing effect. A one-way valve 8 is connected to the middle of the top of the bottle cap 7, which regulates the air pressure inside the bottle to prevent excessive air pressure. A detection mechanism 2 is provided on the inner wall of the nano-silica coating 4. Rotating grooves 9 are provided on both the left and right sides of the top of the bottle cap 7, and a retaining plate 10 is rotatably connected to the inner wall of both rotating grooves 9. The rotating grooves 9 provide a space for the retaining plate 10 to rotate. Within the scope, each of the two card plates 10 has a reserved slot 11 on an adjacent side. A retaining ring 12 is fixedly connected to the middle of the outer wall of the bottle neck 5. Both reserved slots 11 engage with the retaining ring 12. The reserved slots 11 and the retaining ring 12 together form a reliable fixed connection mechanism to ensure the stable installation of the bottle cap 7 on the packaging bottle. Multiple springs 13 are fixedly connected to an adjacent side of the two card plates 10. The springs 13 provide an inward elastic force to the card plates 10. The other ends of the multiple springs 13 are fixedly connected to the corresponding rotating slots 9.

[0041] Specifically, the bottle neck 5 and the bottle cap 7 are connected via a threaded groove 6. When the bottle cap 7 is screwed onto the threaded groove 6, the rubber gasket 16 at the bottom of the inner wall of the bottle cap 7 fits tightly against the top of the bottle neck 5. The rubber gasket 16 fills the tiny gap between the bottle cap 7 and the bottle neck 5, forming a good seal. The one-way valve 8 allows the gas inside the bottle to escape under specific conditions while preventing external gas from entering in the reverse direction. When the temperature inside the bottle rises, causing the gas pressure inside the bottle to increase, the one-way valve 8 will automatically open to release excess gas and prevent the pressure inside the bottle from becoming too high. The aluminum foil film 3 has good barrier properties, blocking external factors such as light, oxygen, and water vapor. The nano-silica coating 4 further enhances the sealing performance of the packaging bottle, providing more rigorous protection for the collagen peptides. When the bottle cap 7 is screwed onto the neck 5, as the bottle cap 7 gradually moves downward and approaches the final tightened position, the retaining ring 12 on the neck 5 will gradually contact the reserved groove 11 on the retaining plate 10. Since the retaining plate 10 can rotate in the rotating groove 9, under the squeezing action of the retaining ring 12, the retaining plate 10 will overcome the elastic force of the spring 13 and rotate outward, so that the retaining ring 12 can smoothly enter the reserved groove 11, further enhancing the stability of the connection between the bottle cap 7 and the neck 5.

[0042] Reference Figure 5 and Figure 6 The detection mechanism 2 includes a temperature detector 201, which senses the temperature of the environment in which the collagen peptides are located in the bottle in real time. The temperature detector 201 is fixedly connected to the front of the inner wall of the nano-silica coating 4. A protective shell 202 is fixedly connected to the outer wall of the temperature detector 201. The protective shell 202 plays a key role in protecting the temperature detector 201 and extending its service life. A reserved groove 203 is opened on the front of the outer wall of the bottleneck 5. A display 204 is fixedly connected to the inner wall of the reserved groove 203. The display 204 converts the abstract electrical signal detected by the temperature detector 201 into intuitive and visible temperature information, allowing users to quickly and accurately understand the temperature of the environment in which the collagen peptides are located in the bottle. An alarm light 205 is fixedly connected to the right side of the outer wall of the display 204. When the temperature detected by the temperature sensor 201 exceeds the set value, the alarm light 205 flashes to remind the user.

[0043] Specifically, the temperature detector 201 can accurately sense the temperature of the environment in which the collagen peptides are located inside the bottle, and convert the physical quantity of temperature into a corresponding electrical signal. The protective shell 202 protects the temperature detector, preventing it from being directly impacted and squeezed by the collagen peptides inside the bottle, thus extending the service life of the temperature detector 201. The display 204 receives the signal from the temperature detector 201. When the temperature exceeds the set value, the alarm light 205 lights up, reminding the user to move the bottle 1 to a lower temperature area to prevent the collagen from deteriorating in a high-temperature environment.

[0044] Reference Figure 1 , Figure 3 and Figure 4 A connecting ring 14 is fixedly connected to the outer wall of the bottleneck 5. A hanging plate 15 is fixedly connected to the right side of the connecting ring 14. The subsequent installation of the hanging plate 15 provides a stable foundation support for the connecting ring 14 and is tightly connected to the bottleneck 5, ensuring that the connected parts can be stably attached to the packaging bottle. The hanging plate 15 is easy to hang. An installation groove 17 is opened on the rear side of the outer wall of the aluminum foil film 3. An information plate 18 is fixedly connected to the inner wall of the installation groove 17. The information plate 18 is used to display relevant product information, so that users can intuitively understand the product situation.

[0045] Specifically, the connecting ring 14 provides a solid foundation for the subsequent installation of the hanging plate 15 and is tightly connected to the bottleneck 5, ensuring that the connected components can be stably attached to the packaging bottle. The hanging plate 15 is easy to hang. The information board 18 is used to display relevant product information, making it easy for users to intuitively understand the product situation.

[0046] Reference Figure 1 , Figure 2 and Figure 5 The bottom of the aluminum foil film 3 is fixedly connected with multiple soft pads 19, and the multiple soft pads 19 are all distributed in a ring with the center of the bottom of the aluminum foil film 3 as the center; the bottom of each of the multiple soft pads 19 is fixedly connected with multiple anti-slip blocks 20, and the distance between the multiple anti-slip blocks 20 is equal; the outer wall of the aluminum foil film 3 is fixedly connected with multiple anti-slip strips 21, and the multiple anti-slip strips 21 are all distributed in a ring with the center of the aluminum foil film 3 as the center.

[0047] Specifically, the soft pad 19 is evenly distributed at the bottom of the packaging bottle, providing a certain cushioning and support; the anti-slip block 20 increases the friction between the bottle and the contact surface, preventing the packaging bottle from easily sliding on the placement surface; the anti-slip strip 21 makes it easier to hold the packaging bottle more firmly when holding it, preventing the packaging bottle from falling due to slippage.

[0048] Working principle: The threaded groove 6 on the outer top of the bottle neck 5 engages with the thread of the bottle cap 7, ensuring a tight connection between the bottle cap 7 and the bottle neck 5. The rubber gasket 16 fits snugly against the top of the bottle neck 5 after the bottle cap 7 is tightened, ensuring a consistently good seal. When the pressure inside the bottle increases due to temperature rise, the valve core of the one-way valve 8 opens, allowing the gas inside the bottle to escape. The aluminum foil film 3 effectively blocks the intrusion of external factors such as light, oxygen, and moisture. The nano-silica coating 4, with its extremely small particle size and high specific surface area, forms a dense coating structure, enhancing the seal of the bottle body 1. Performance; and the temperature detector 201 can accurately sense the temperature of the environment in which the collagen peptides are located in the bottle, and convert the physical quantity of temperature into a corresponding electrical signal. The protective shell 202 plays a role in protecting the temperature detector 201, preventing the temperature detector 201 from being directly impacted and squeezed by the collagen peptides in the bottle, and extending the service life of the temperature detector 201. The display 204 receives the signal from the temperature detector 201. When the temperature is greater than the set value, the alarm light 205 lights up, reminding the user to move the bottle 1 to a lower temperature area to prevent the collagen from deteriorating in a high temperature environment.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A well-sealed packaging bottle for storing collagen peptides, comprising a bottle body (1), characterized in that: An aluminum foil film (3) is fixedly connected to the outer wall of the bottle body (1), and a nano-silica coating (4) is fixedly connected to the inner wall of the aluminum foil film (3). A bottle neck (5) is fixedly connected to the top of the bottle body (1). A threaded groove (6) is opened on the outer side of the top of the outer wall of the bottle neck (5). A bottle cap (7) is threadedly connected to the inner wall of the threaded groove (6). A rubber pad (16) is fixedly connected to the bottom of the inner wall of the bottle cap (7). A one-way valve (8) is connected to the middle of the top of the bottle cap (7). A detection mechanism (2) is provided on the inner wall with the nano-silica coating (4).

2. The airtight packaging bottle for storing collagen peptides according to claim 1, characterized in that: The detection mechanism (2) includes a temperature detector (201), which is fixedly connected to the front side of the inner wall with the nano-silica coating (4). A protective shell (202) is fixedly connected to the outer wall of the temperature detector (201). A reserved slot two (203) is opened on the front side of the outer wall of the bottleneck (5). A display (204) is fixedly connected to the inner wall of the reserved slot two (203). An alarm light (205) is fixedly connected to the right side of the outer wall of the display (204).

3. The airtight packaging bottle for storing collagen peptides according to claim 1, characterized in that: The top left and right sides of the bottle cap (7) are provided with rotating grooves (9), and the inner walls of the two rotating grooves (9) are rotatably connected with a retaining plate (10). The adjacent side of the two retaining plates (10) is provided with a reserved groove (11). The middle of the outer wall of the bottle neck (5) is fixedly connected with a retaining ring (12). The two reserved grooves (11) are engaged with the retaining ring (12). The adjacent side of the two retaining plates (10) is fixedly connected with multiple springs (13). The other end of the multiple springs (13) is fixedly connected to the corresponding rotating groove (9).

4. The airtight packaging bottle for storing collagen peptides according to claim 1, characterized in that: A connecting ring (14) is fixedly connected to the outer wall of the bottleneck (5), and a hanging plate (15) is fixedly connected to the right side of the connecting ring (14).

5. The airtight packaging bottle for storing collagen peptides according to claim 1, characterized in that: An installation groove (17) is provided on the rear side of the outer wall of the aluminum foil film (3), and an information board (18) is fixedly connected to the inner wall of the installation groove (17).

6. The airtight packaging bottle for storing collagen peptides according to claim 1, characterized in that: The bottom of the aluminum foil film (3) is fixedly connected with a plurality of soft pads (19), and the plurality of soft pads (19) are distributed in a ring with the bottom center of the aluminum foil film (3) as the center.

7. The airtight packaging bottle for storing collagen peptides according to claim 6, characterized in that: Multiple anti-slip blocks (20) are fixedly connected to the bottom of each of the multiple pads (19), and the distance between the multiple anti-slip blocks (20) is equal.

8. The airtight packaging bottle for storing collagen peptides according to claim 1, characterized in that: The outer wall of the aluminum foil film (3) is fixedly connected with a plurality of anti-slip strips (21), and the plurality of anti-slip strips (21) are distributed in a ring around the center of the aluminum foil film (3).

Citation Information

Patent Citations

  • Packaging bottle with good sealing performance for collagen peptide storage

    CN217199287U