Leakage-proof paper bowl

By bonding a leak-proof film to the inner wall of the paper bowl and setting a folding ring and fastener at the mouth of the bowl, the problem of food or liquid leakage caused by limited volume in the existing paper bowl is solved, achieving higher leak-proof effect and convenience of use.

CN222565522UActive Publication Date: 2025-03-07SHANGHAI XINXIAO ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202420763623.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-15
Publication Date
2025-03-07
Estimated Expiration
2034-04-15

AI Technical Summary

Technical Problem

When serving food or beverages, existing paper bowls are limited in volume and can easily leak food or liquid from the mouth of the bowl due to movement or stirring.

Method used

A leak-proof paper bowl is designed. By bonding a leak-proof film to the inner wall of the bowl body, and setting a folding ring and fastener at the mouth of the bowl, the volume of the bowl mouth is expanded to prevent food or liquid from leaking out.

Benefits of technology

It effectively reduces leakage caused by moving or stirring food, improves the leakage prevention effect of the paper bowl, and at the same time, through the design of the fastener, the use and fixing of the folding ring is more convenient.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a leakproof paper bowl, which belongs to the technical field of paper bowls and comprises a bowl body and a leakproof film adhered to the inner wall of the bowl body. The paper bowl further comprises a folding ring and a buckling piece, wherein the folding ring longitudinally moves on the top face of the bowl opening of the bowl body and is used for extending the bowl body, and the buckling piece is fixedly arranged on the folding ring and is used for fixing the end, away from the bowl body, of the folding ring to the bowl body. According to the paper bowl, the folding ring is arranged at the bowl opening, when a user has a meal, the volume of the bowl opening can be expanded by unfolding the folding ring, food located at the bowl opening can be further blocked through the folding ring, and therefore the situation that the food leaks out when the paper bowl is moved or stirred carelessly can be reduced; the folding ring can be used and fixed more conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of paper bowls, in particular to a leak-proof paper bowl. Background Art

[0002] Paper bowls are a common tableware used to hold food or drinks. They are usually made of paper material and have a bowl-like shape to hold food or liquid. Paper bowls are often used in take-outs, fast food restaurants, parties, picnics and other occasions, providing a convenient way to hold and eat food, and can reduce the trouble of subsequent cleaning.

[0003] A Chinese utility model patent with publication number CN212939213U discloses a paper bowl, which includes a paper bowl outer shell and a paper bowl inner shell movably snapped into the paper bowl outer shell; the paper bowl outer shell includes a shell body and a bowl holder detachably mounted at the bottom of the shell body; the outer edge of the shell body and the top of the shell wall are rolled outward to form a flange; the paper bowl inner shell includes a bowl bottom and a bowl wall fixedly arranged on the outer edge of the bowl bottom, the outer edge of the upper end of the bowl wall is rolled outward to form a buckle edge B, and a buckle groove is formed between the buckle edge B and the bowl wall; wherein the paper bowl inner shell is tightly buckled on the flange at the upper end of the paper bowl outer shell through the buckle edge B, and an isolation gas chamber is formed between the paper bowl inner shell and the paper bowl outer shell.

[0004] In the above technology, by adopting a separately set paper bowl shell and a matched paper bowl liner, it is possible to isolate the heat source and reduce the risk of scalding. However, the volume of the paper bowl is limited. When the food reaches the mouth of the paper bowl, the user may accidentally move, shake or stir the food during the meal, causing the food to leak out of the mouth of the bowl.

[0005] Therefore, a leakproof paper bowl is needed to solve the above problems. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] The utility model provides a leak-proof paper bowl, aiming to solve the problem that the existing paper bowl mentioned in the background technology has a limited volume. When the food contained in the paper bowl reaches the mouth of the bowl, the user may accidentally move the food or stir the food too violently during the meal, causing the food to leak out of the mouth of the bowl.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leak-proof paper bowl, comprising a bowl body and a leak-proof membrane bonded to the inner wall of the bowl body; by arranging the leak-proof membrane on the inner wall of the bowl body, liquid can be effectively prevented from leaking out through the fiber gaps of the paper bowl, thereby avoiding leakage and contamination caused by food or drinks.

[0010] In order to further improve the leakage-proof effect of the paper bowl, unlike the existing paper bowls, the paper bowl also includes a folding ring which moves longitudinally on the top surface of the bowl mouth of the bowl body for extending the bowl body, and a buckle fixed on the folding ring for fixing one end of the folding ring away from the bowl body to the bowl body; the design of the folding ring can expand the volume of the bowl mouth of the bowl body, thereby reducing the situation where food leaks due to careless moving of the paper bowl or stirring of food, and the design of the buckle makes the use and fixation of the folding ring more convenient.

[0011] Preferably, in order to improve the leak-proof effect of the paper bowl, the leak-proof membrane is a polyethylene waterproof membrane; the designed polyethylene waterproof membrane has good sealing and waterproof properties, can better seal the inside of the paper bowl, and prevent liquid from penetrating into the external environment through the fiber gaps of the paper bowl.

[0012] Preferably, in order to facilitate the storage of the folding ring, a circular groove is provided at the position of the bowl mouth corresponding to the folding ring, and the folding ring is fixedly installed inside the circular groove at one end away from the buckle. The design of the circular groove can easily store the folding ring when the paper bowl is not in use, thereby not affecting the appearance of the paper bowl and improving the convenience of use of the paper bowl.

[0013] Preferably, in order to facilitate the use of the folding ring, the fastening component includes a cardboard ring fixedly connected to the end of the folding ring away from the bowl body and at least two buckle plates distributed in a ring array on the outer edge of the cardboard ring for plugging into the bottom of the outer edge of the bowl mouth of the bowl body; the user only needs to pull the buckle plate to easily drive the folding ring connected to the cardboard ring to unfold and fold, without the need for additional tools or complicated operations.

[0014] Preferably, in order to facilitate the use of the gusset plate, a slot is provided at the bottom of the outer edge of the bowl mouth of the bowl body for inserting the end of the gusset plate away from the cardboard ring; the design of the slot can make the insertion and removal of the gusset plate easier, thereby improving the convenience and efficiency of use.

[0015] Preferably, in order to ensure that the gusset plate is inserted into the correct position, a positioning groove is provided at one end of the slot close to the gusset plate, and the cross-sectional area of ​​the positioning groove is at least larger than the cross-sectional area of ​​the slot; by designing a positioning groove with a larger cross-sectional area, the deviation or error of the gusset plate can be accommodated, thereby improving the accuracy and consistency of the gusset plate insertion.

[0016] (III) Beneficial effects

[0017] The paper bowl is provided with a folding ring at the mouth of the bowl. When the user is eating, the folding ring can be unfolded to expand the volume at the mouth of the bowl, and the folding ring can be used to further block the food at the mouth of the bowl, thereby reducing the situation where food leaks due to careless movement of the paper bowl or stirring of food. At the same time, the buckle can be provided to make the use and fixation of the folding ring more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the structure of a leak-proof paper bowl Figure 1 (The folding ring is in a compressed state);

[0019] Figure 2 A schematic diagram of the structure of a leak-proof paper bowl Figure 2 (The folded ring is in a stretched state);

[0020] Figure 3 An exploded view of a bowl body in a leak-proof paper bowl;

[0021] Figure 4 A schematic diagram of the structure of a slot in a leak-proof paper bowl;

[0022] Figure 5 The figure is a schematic diagram of the structure of a positioning groove in a leak-proof paper bowl.

[0023] In the figure:

[0024] 1. bowl body; 11. circular groove; 12. slot; 121. positioning groove;

[0025] 2. Leak-proof membrane;

[0026] 3. Folding ring;

[0027] 4. Fasteners; 41. Cardboard ring; 42. Buckle plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The utility model provides a leak-proof paper bowl. Figure 1-Figure 5 As shown, the paper bowl includes a bowl body 1 and a leak-proof membrane 2 bonded to the inner wall of the bowl body 1; the paper bowl also includes a folding ring 3 that moves longitudinally on the top surface of the bowl mouth of the bowl body 1 for extending the bowl body 1, and a fastener 4 fixedly arranged on the folding ring 3 for fixing the end of the folding ring 3 away from the bowl body 1 on the bowl body 1.

[0030] During use, when the user uses the paper bowl to hold food, the folding ring 3 can be effectively fixed on the surface of the bowl mouth of the bowl body 1 through the fixation of the buckle 4, so as not to affect the appearance and use of the paper bowl, and the design of the leak-proof membrane 2 can effectively prevent the liquid from leaking out through the fiber gaps of the paper bowl. When the user is eating, the buckle 4 can be released to fix the folding ring 3, and then the folding ring 3 can be pulled to unfold the folding ring 3. At this time, under the expansion effect of the folding ring 3, the volume of the bowl mouth of the bowl body 1 will be expanded, so that the folding ring 3 can block the food at the bowl mouth, thereby reducing the situation where the user accidentally moves or stirs the food during the meal, causing food leakage, so as to improve the leak-proof effect of the paper bowl.

[0031] Specifically, the fastening member 4 includes a cardboard ring 41 fixedly connected to the end of the folding ring 3 away from the bowl body 1 and at least two buckle plates 42 distributed in a ring array on the outer edge of the cardboard ring 41 for being plugged into the bottom of the outer edge of the bowl mouth of the bowl body 1; when the user needs to unfold or fold the folding ring 3, he only needs to hold the buckle plates 42 on both sides to move the cardboard ring 41 longitudinally, and the folding ring 3 can be easily driven to unfold upward or fold and compress downward.

[0032] Furthermore, a slot 12 is provided at the bottom of the outer edge of the bowl mouth of the bowl body 1 for inserting the end of the buckle plate 42 away from the cardboard ring 41, wherein a positioning groove 121 is provided at the end of the slot 12 close to the buckle plate 42, and the cross-sectional area of ​​the positioning groove 121 is at least larger than the cross-sectional area of ​​the slot 12; when the folded folding ring 3 needs to be fixed, the user only needs to fold the buckle plate 42 to the side close to the positioning groove 121 and insert it into the corresponding slot 12, so that the buckle plate 42 is plugged and fixed with the corresponding slot 12, and the folded and compressed folding ring 3 can be fixed; when the folding ring 3 needs to be unfolded, the user only needs to pull out the plugged buckle plate 42 from the slot 12 and fold it toward the outside of the bowl body 1, release the connection between the buckle plate 42 and the slot 12, and then pull the buckle plate 42 upwards, so that the folding ring 3 can be unfolded and used.

[0033] Furthermore, a circular groove 11 is opened at the position of the folding ring 3 corresponding to the bowl mouth of the bowl body 1, and the end of the folding ring 3 away from the buckle 4 is fixedly installed inside the circular groove 11; when the folding ring 3 is not in use, the folding ring 3 can be folded and compressed and stored in the circular groove 11 to ensure the beauty of the paper bowl when used.

[0034] In order to better seal the inside of the paper bowl, the leak-proof membrane 2 is a polyethylene waterproof membrane; since the polyethylene waterproof membrane has good sealing and waterproof properties, it can better prevent liquid from penetrating into the external environment through the fiber gaps of the paper bowl.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A leak-proof paper bowl, comprising a bowl body (1) and a leak-proof film (2) bonded to the inner wall of the bowl body (1); Features: The paper bowl further comprises a folding ring (3) which moves longitudinally on the top surface of the bowl mouth of the bowl body (1) for extending the bowl body (1), and a fastening member (4) which is fixedly arranged on the folding ring (3) and is used to fix one end of the folding ring (3) away from the bowl body (1) on the bowl body (1).

2. The leak-proof paper bowl according to claim 1, characterized in that: The leakproof membrane (2) is a polyethylene water-isolating membrane.

3. The leak-proof paper bowl according to claim 1, characterized in that: A circular groove (11) is provided at a position of the bowl mouth of the bowl body (1) corresponding to the folding ring (3), and one end of the folding ring (3) away from the buckling member (4) is fixedly mounted inside the circular groove (11).

4. The leak-proof paper bowl according to claim 1, characterized in that: The fastening member (4) comprises a cardboard ring (41) fixedly connected to the end of the folding ring (3) away from the bowl body (1), and at least two buckle plates (42) distributed in an annular array on the outer edge of the cardboard ring (41) and used for plugging into the bottom of the outer edge of the bowl mouth of the bowl body (1).

5. The leak-proof paper bowl according to claim 4, characterized in that: The bottom of the outer edge of the bowl mouth of the bowl body (1) is provided with a slot (12) for inserting the end of the buckle plate (42) away from the cardboard ring (41).

6. The leak-proof paper bowl according to claim 5, characterized in that: A positioning groove (121) is provided at one end of the slot (12) close to the buckle plate (42), and the cross-sectional area of ​​the positioning groove (121) is at least larger than the cross-sectional area of ​​the slot (12).

Citation Information

Patent Citations

  • Paper bowl

    CN212939213U