Degradable thermal insulation paper tableware
By designing inner and outer bowl insulation cavities and a three-dimensional support network in paper tableware, the problems of poor insulation performance and structural instability of traditional paper tableware are solved, achieving safe use of high-temperature food and structural integrity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI YIBAILI ENVIRONMENTAL TECH CO LTD
- Filing Date
- 2025-08-28
- Publication Date
- 2026-06-12
AI Technical Summary
Traditional paper tableware has poor heat insulation when holding hot food, which can easily cause burns. It is also prone to deformation or collapse when holding heavy food, making it difficult to balance heat insulation and overall strength.
The inner and outer bowls form a heat insulation cavity, which, together with the first support at the bottom, the second support on the side, and the outward-curled edge at the top, forms a three-dimensional support network, including first and second support rings, reinforcing cardboard, and other structures, to enhance the structural stability and heat insulation effect of the tableware.
It effectively blocks heat transfer, maintains the structural integrity of the tableware, improves the load-bearing capacity and heat insulation performance of the tableware, avoids scalding and deformation, and is suitable for holding high-temperature or heavy foods.
Smart Images
Figure CN224344639U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of paper tableware technology, and in particular to a biodegradable heat-insulating paper tableware. Background Technology
[0002] With the increasing popularity of environmental protection concepts and the growing global efforts to combat white pollution, biodegradable tableware is gradually becoming an important alternative to traditional plastic tableware. Among them, paper tableware has found some application in the food packaging and catering industries due to its wide availability of raw materials and easy degradation.
[0003] Currently, ordinary paper materials have poor heat insulation performance. When holding hot soup, porridge, or other hot foods, they can easily cause burns to the hands, resulting in a poor user experience. In order to improve the heat insulation effect, some products use thicker paper or multi-layer composite structures, but this significantly increases the consumption of raw materials and production costs. Although some products have tried to add hollow interlayers, they lack an effective support structure and it is difficult to balance heat insulation performance and overall strength. When holding heavy foods, they are prone to deformation and collapse. Utility Model Content
[0004] The purpose of this invention is to solve the problems of deformation and collapse that exist in the prior art when holding heavy food. It provides a biodegradable heat-insulating paper tableware. The tableware has a three-dimensional support network formed by the first support at the bottom, the second support on the side, and the outward rolled edge at the top. The three work together to ensure that the tableware can maintain its structural integrity even when holding heavy food with soup.
[0005] To achieve the above objectives, this utility model provides a biodegradable heat-insulating paper tableware, comprising an inner bowl and an outer bowl. The inner bowl is disposed inside the outer bowl, and a heat-insulating cavity is formed between the inner bowl and the outer bowl. A first support member is disposed at the bottom of the inner bowl, and a second support member is disposed on the outer surface of the inner bowl. A base is disposed at the bottom of the outer bowl, and a support plate is disposed inside the base. The top of the inner bowl is provided with an outwardly rolled edge, the inner side of which is connected to the top of the outer bowl, and the outer side of which is connected to the side of the outer bowl.
[0006] As a further description of the above technical solution: the first support member includes a first support ring and a second support ring, the bottom ends of the first support ring and the second support ring are both connected to the outer bowl body, and the top ends of the first support ring and the second support ring are both connected to the inner bowl body.
[0007] As a further description of the above technical solution: the first support ring is located inside the second support ring, and a first reinforcing cardboard is provided between the first support ring and the second support ring.
[0008] As a further description of the above technical solution: the second support member includes a third support ring and a fourth support ring, the outer sides of the third support ring and the fourth support ring are both connected to the outer bowl body, and the inner sides of the third support ring and the fourth support ring are both connected to the inner bowl body.
[0009] As a further description of the above technical solution: the third support ring is located below the fourth support ring, and a second reinforcing cardboard is connected between the third support ring and the fourth support ring.
[0010] As a further description of the above technical solution: a groove is provided on the outer side of the outer bowl, and an anti-slip strip is provided inside the groove.
[0011] As a further description of the above technical solution: a handle plate is provided on the outer side of the outer bowl, and a latch is provided on the handle plate.
[0012] As a further description of the above technical solution: the handle plate is located above the slot.
[0013] The above technical solution has the following advantages or beneficial effects:
[0014] This invention effectively blocks heat transfer from the inner bowl 1 to the outside through the heat insulation cavity formed between the inner and outer bowls, solving the problem of scalding hands when holding hot food in traditional paper tableware. The first support at the bottom, the second support on the side, and the outward-curled edge at the top form a three-dimensional support network. The first support bears the weight vertically from the bottom, the second support restricts the relative displacement of the inner and outer bowls from the side, and enhances horizontal stability. The outward-curled edge achieves a tight connection between the inner and outer structures from the top, preventing misalignment or deformation during the holding process. The three work together to ensure that the tableware maintains its structural integrity even when holding heavy soupy food, breaking through the limitation of weak load-bearing capacity of traditional paper tableware. Attached Figure Description
[0015] Figure 1 This is a cross-sectional view of a biodegradable heat-insulating paper tableware in one embodiment of the present invention;
[0016] Figure 2 This is a front view of a biodegradable heat-insulating paper tableware in one embodiment of the present invention;
[0017] Figure 3 This is a bottom view of a biodegradable heat-insulating paper tableware in one embodiment of the present invention;
[0018] Figure 4 for Figure 3 A schematic diagram of the structure of the first support component.
[0019] Legend:
[0020] 1. Inner bowl; 2. Outer bowl; 3. Insulation cavity; 4. First support member; 5. Second support member; 6. Outward rolled edge; 7. Support plate; 8. Groove; 9. Anti-slip strip; 10. Handle plate; 11. Buckle; 12. Base; 41. First support ring; 42. Second support ring; 43. First reinforcing cardboard; 51. Third support ring; 52. Fourth support ring; 53. Second reinforcing cardboard. Detailed Implementation
[0021] 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.
[0022] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" 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 mechanical connection or an electrical 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 according to the specific circumstances.
[0023] like Figure 1-4 As shown, this utility model discloses a biodegradable heat-insulating paper tableware, comprising an inner bowl 1 and an outer bowl 2. The inner bowl 1 is disposed inside the outer bowl 2, and a heat-insulating cavity 3 is formed between the inner bowl 1 and the outer bowl 2. A first support member 4 is disposed at the bottom of the inner bowl 1, and a second support member 5 is disposed on the outer surface of the inner bowl 1. A base 12 is disposed at the bottom of the outer bowl 2, and a support plate 7 is disposed inside the base 12. An outwardly rolled edge 6 is disposed at the top of the inner bowl 1, with the inner side of the outwardly rolled edge 6 connected to the top of the outer bowl 2 and the outer side of the outwardly rolled edge 6 connected to the side of the outer bowl 2.
[0024] In the technical solution of this utility model, the heat insulation cavity 3 formed between the inner bowl 1 and the outer bowl 2 effectively blocks the transfer of heat from the inner bowl 1 to the outside, solving the problem of scalding hands when holding hot food in traditional paper tableware. The first support member 4 at the bottom, the second support member 5 on the side, and the outward-curled edge at the top form a three-dimensional support network. The first support member 4 bears the weight vertically from the bottom, the second support member 5 restricts the relative displacement of the inner and outer bowls 2 from the side, and enhances the stability in the horizontal direction. The outward-curled edge 6 achieves a tight connection between the inner and outer structures from the top, preventing misalignment or deformation during the holding process. The synergistic effect of these three elements allows the tableware to maintain its structural integrity even when holding heavy soupy food, overcoming the limitation of weak load-bearing capacity of traditional paper tableware.
[0025] Specifically, the placement performance of tableware is further optimized by the base 12 at the bottom of the outer bowl 2 and the built-in support plate 7. The support plate 7 can enhance the base's resistance to deformation and prevent tipping due to uneven tabletops or uneven force. The base 12 increases the contact area with the placement surface. Combined with the overall structural center of gravity stability, the tableware can be placed stably in various scenarios such as dining tables and outdoors, reducing the possibility of food spillage.
[0026] like Figure 1 and Figure 4 As shown, the first support member 4 includes a first support ring 41 and a second support ring 42. The bottom ends of the first support ring 41 and the second support ring 42 are both connected to the outer bowl 2, and the top ends of the first support ring 41 and the second support ring 42 are both connected to the inner bowl 1. Through the double-ring structure of the first support ring 41 and the second support ring 42, the bottom ends of the two are connected to the outer bowl 2, and the top ends are connected to the inner bowl 1, forming a vertical support for the inner and outer bowls from the bottom. This double-ring clamping support can evenly distribute the weight of the food in the inner bowl to the outer bowl, avoiding structural deformation caused by excessive force at a single point.
[0027] Specifically, the first support ring 41 is located inside the second support ring 42, and a first reinforcing cardboard 43 is provided between the first support ring 41 and the second support ring 42; the first reinforcing cardboard 43 between the first support ring 41 and the second support ring 42 forms an annular reinforcing rib, thereby increasing the overall thickness and connection strength of the support structure and improving the pressure resistance of the bottom support.
[0028] like Figure 1 As shown, the second support member 5 includes a third support ring 51 and a fourth support ring 52. The outer sides of the third support ring 51 and the fourth support ring 52 are connected to the outer bowl 2, and the inner sides of the third support ring 51 and the fourth support ring 52 are connected to the inner bowl 1. The connection between the inner bowl and the outer bowl is achieved from the side of the inner bowl through the third support ring 51 and the fourth support ring 52, forming a lateral support, which further restricts the relative displacement of the inner and outer bowls in the horizontal direction, making the overall structure more stable during the filling and transportation process.
[0029] Specifically, the third support ring 51 is located below the fourth support ring 52, and a second reinforcing cardboard 53 connects the third support ring 51 and the fourth support ring 52. The vertical distribution of the third support ring 51 and the fourth support ring 52, and their connection through the second reinforcing cardboard 53, forms a longitudinal force transmission path, enabling the side support to better withstand the weight in the vertical direction. This allows the tableware to maintain its structural integrity when holding heavy food, preventing collapse or breakage.
[0030] The support structure cleverly maintains the spatial shape of the insulation cavity 3 while connecting the inner and outer bowls. The double-ring support structure avoids the local collapse of the insulation cavity that may be caused by traditional single support, ensuring a uniform distribution of the air layer and guaranteeing stable insulation performance. At the same time, the support rings and reinforcing cardboard are made of paper, which does not conduct additional heat and does not affect the barrier function of the insulation cavity, allowing the tableware to maintain good insulation performance while possessing high strength.
[0031] like Figure 2 and Figure 3 As shown, a groove 8 is provided on the outer side of the outer bowl 2, and an anti-slip strip 9 is provided inside the groove 8. The groove 8 makes it easier for fingers to grip the bowl more naturally, and the anti-slip strip 9 increases the friction between the hand and the outer bowl. Even when the hands are wet, it can effectively prevent the tableware from slipping and greatly reduce the risk of food spilling.
[0032] like Figure 2 and Figure 3 As shown, a handle plate 10 is provided on the outer side of the outer bowl body 2, and a latch 11 is provided on the handle plate 10. The handle plate 10 provides users with a gripping support point independent of the side of the bowl body. Especially when holding hot food, users can avoid direct contact between their hands and the outer bowl body by holding the handle plate 10, which further reduces the risk of burns from an operational perspective. The latch 11 can be used to hang tableware, reduce the flat space occupied by tableware, and make it convenient to carry and store.
[0033] Specifically, the handle plate 10 is located above the slot 8.
[0034] Working principle: The heat insulation cavity 3 formed between the inner bowl 1 and the outer bowl 2 effectively blocks heat transfer from the inner bowl 1 to the outside, solving the problem of scalding hands when holding hot food in traditional paper tableware. The first support 4 at the bottom, the second support 5 on the side, and the outward-curled edge at the top form a three-dimensional support network. The first support 4 bears the vertical weight from the bottom, the second support 5 restricts the relative displacement of the inner and outer bowls 2 from the side, and enhances horizontal stability, while the outward-curled edge 6 achieves a tight connection between the inner and outer structures from the top, preventing misalignment or deformation during the filling process. The synergistic effect of these three elements allows the tableware to maintain its structural integrity even when holding heavy soupy foods, overcoming the limitation of weak load-bearing capacity of traditional paper tableware.
[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A biodegradable heat-insulating paper tableware, characterized in that, It includes an inner bowl (1) and an outer bowl (2), the inner bowl (1) is disposed inside the outer bowl (2), a heat insulation cavity (3) is formed between the inner bowl (1) and the outer bowl (2), a first support member (4) is disposed at the bottom of the inner bowl (1), a second support member (5) is disposed on the outer surface of the inner bowl (1), a base (12) is disposed at the bottom of the outer bowl (2), and a support plate (7) is disposed inside the base (12); The inner bowl (1) is provided with an outward rolled edge (6) at the top. The inner side of the outward rolled edge (6) is connected to the top of the outer bowl (2), and the outer side of the outward rolled edge (6) is connected to the side of the outer bowl (2).
2. The biodegradable heat-insulating paper tableware according to claim 1, characterized in that: The first support member (4) includes a first support ring (41) and a second support ring (42). The bottom ends of the first support ring (41) and the second support ring (42) are connected to the outer bowl (2), and the top ends of the first support ring (41) and the second support ring (42) are connected to the inner bowl (1).
3. The biodegradable heat-insulating paper tableware according to claim 2, characterized in that: The first support ring (41) is located inside the second support ring (42), and a first reinforcing cardboard (43) is provided between the first support ring (41) and the second support ring (42).
4. The biodegradable heat-insulating paper tableware according to claim 1, characterized in that: The second support member (5) includes a third support ring (51) and a fourth support ring (52). The outer sides of the third support ring (51) and the fourth support ring (52) are connected to the outer bowl (2), and the inner sides of the third support ring (51) and the fourth support ring (52) are connected to the inner bowl (1).
5. The biodegradable heat-insulating paper tableware according to claim 4, characterized in that: The third support ring (51) is located below the fourth support ring (52), and a second reinforcing cardboard (53) is connected between the third support ring (51) and the fourth support ring (52).
6. The biodegradable heat-insulating paper tableware according to claim 1, characterized in that: The outer bowl (2) has a groove (8) on its outer side, and an anti-slip strip (9) is provided inside the groove (8).
7. The biodegradable heat-insulating paper tableware according to claim 1, characterized in that: A handle plate (10) is provided on the outer side of the outer bowl body (2), and a latch (11) is provided on the handle plate (10).
8. The biodegradable heat-insulating paper tableware according to claim 7, characterized in that: The handle plate (10) is located above the slot (8).