Food packaging box

By using a cold sealing layer to connect the box and lid in the food packaging box, the problems of low sealing efficiency and high energy consumption in the existing heat sealing technology are solved, and the sealing effect with high efficiency and low energy consumption is achieved, reducing the Production costs and improve production efficiency.

CN222453112UActive Publication Date: 2025-02-11DONGGUAN XINMAI LABEL PROD CO LTD
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Patent Information

Application Number
CN202420213470.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-29
Publication Date
2025-02-11
Estimated Expiration
2034-01-29

AI Technical Summary

Technical Problem

The existing food packaging boxes adopt heat sealing technology, which has low sealing efficiency and high energy consumption, resulting in high production costs and low production efficiency.

Method used

The cold sealant layer is used to connect to the box and the cover body, and the sealing connection is achieved through the cold sealant layer without heating, reducing energy consumption and increasing the sealing speed.

Benefits of technology

The sealing speed of cold seal packaging is 5-6 times that of heat seal packaging, which can effectively reduce production costs and improve production efficiency, while simplifying the production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of food packaging, and discloses a food packaging box. The food packaging box comprises a box body and a box cover, wherein the box body is provided with a containing space used for containing food; the cover body is matched with the box body; and the cold sealing glue layer is respectively connected with the box body and the cover body, and the thickness of the cold sealing glue layer is 5-10 microns. By means of the mode, sealing connection between the cold sealing glue layer and the box body and between the cold sealing glue layer and the cover body can be achieved under the condition that heating is not needed, energy consumption is reduced, the sealing speed of cold sealing packaging is 5-6 times that of heat sealing packaging, production cost can be effectively reduced, and production efficiency can be effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of food packaging, in particular to a food packaging box. Background Art

[0002] With the rapid development of social economy and the accelerating pace of people's lives, the market demand for "fast and convenient" convenience foods is increasing. Convenient foods are generally welcomed by consumers and have a very broad market prospect.

[0003] At present, most food packaging boxes use heat sealing technology to package food, that is, heat sealing is performed by contacting heat sealing glue and heating it to melt and bond it. This method has low sealing efficiency and high energy consumption, which is not conducive to reducing production costs and improving production efficiency. Utility Model Content

[0004] The utility model provides a food packaging box, which can effectively reduce production costs and improve production efficiency.

[0005] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a food packaging box, comprising:

[0006] A box body, wherein the box body has a receiving space for receiving the food;

[0007] A cover body, the cover body is adapted to the box body;

[0008] A cold sealing adhesive layer, wherein the cold sealing adhesive layer is connected to the box body and the cover body respectively, and the thickness of the cold sealing adhesive layer is 5-10 microns.

[0009] According to an embodiment of the utility model, the cold sealing pressure of the cold sealing adhesive layer is 1-2 kg.

[0010] According to one embodiment of the utility model, the cold sealant layer comprises:

[0011] Bonding the subject;

[0012] A first adhesive surface, the first adhesive surface is located at one side of the adhesive body and connected to the box body;

[0013] A second adhesive surface, the second adhesive surface is located at the other side of the adhesive body and is arranged opposite to the first adhesive surface, and the second adhesive surface is connected to the cover body.

[0014] According to an embodiment of the present invention, a first accommodating groove for accommodating the adhesive body and exposing at least the second adhesive surface is provided on a side surface of the box body facing the cover body.

[0015] According to an embodiment of the utility model, a second accommodating groove for accommodating the adhesive body and exposing at least the first adhesive surface is provided on a side surface of the cover body facing the box body, and the second accommodating groove is arranged corresponding to the first accommodating groove.

[0016] According to an embodiment of the present invention, an anti-fog layer is further provided on a side surface of the cover body facing the box body.

[0017] According to an embodiment of the present utility model, the box body includes a plastic box body, a metal box body and a paper box body.

[0018] According to an embodiment of the present invention, the cover body includes a plastic cover body, a metal cover body and a paper cover body.

[0019] According to an embodiment of the utility model, anti-scalding handles are symmetrically arranged on the edge of the box body.

[0020] According to an embodiment of the utility model, a scalding prevention protrusion is provided on the bottom of the box body.

[0021] The beneficial effects of the utility model are as follows: a food packaging box comprises: a box body, a cover body and a cold-sealing adhesive layer, the box body has a storage space for storing the food; the cover body is adapted to the box body; the cold-sealing adhesive layer is respectively connected to the box body and the cover body, and the thickness of the cold-sealing adhesive layer is 5-10 microns. The food packaging box of the utility model can achieve a sealed connection between the box body and the cover body without heating through the cold-sealing adhesive layer, thereby reducing energy consumption. The sealing speed of cold-sealing packaging is 5-6 times that of heat-sealing packaging, which can effectively reduce production costs and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of a food packaging box according to an embodiment of the utility model;

[0023] Figure 2 It is a structural schematic diagram of a box body according to an embodiment of the utility model;

[0024] Figure 3 It is a structural schematic diagram of a cover body of an embodiment of the utility model;

[0025] Figure 4 This is a schematic structural diagram of a cold sealant layer in one embodiment of the utility model;

[0026] Figure 5 It is a structural schematic diagram of a food packaging box of another embodiment of the utility model;

[0027] Figure 6 It is a structural schematic diagram of a box body of another embodiment of the utility model;

[0028] Figure 7 It is a structural schematic diagram of a cover body of another embodiment of the utility model;

[0029] Figure 8 It is a structural schematic diagram of a cold sealing adhesive layer of another embodiment of the utility model.

[0030] The meanings of the symbols in the accompanying drawings are:

[0031] 100 - food packaging box; 10 - box body; 20 - cover body; 30 - cold sealing adhesive layer; 101 - first receiving groove; 102 - anti-scalding handle; 103 - anti-scalding protrusion; 201 - second receiving groove. DETAILED DESCRIPTION

[0032] 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 of 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.

[0033] The terms "first", "second" and "third" in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. All directional indications in the embodiments of the present utility model (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0034] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0035] Figure 1 Schematic diagram of the structure of a food packaging box according to an embodiment of the present invention. Figure 1As shown, the food packaging box 100 includes: a box body 10, a cover body 20 and a cold seal adhesive layer 30, the box body 10 has a storage space for storing food; the cover body 20 is adapted to the box body 10; the cold seal adhesive layer 30 is connected to the box body 10 and the cover body 20 respectively, and the thickness of the cold seal adhesive layer 30 is 5-10 microns, preferably, the thickness of the cold seal adhesive layer 30 is 8 microns. The food packaging box 100 of the utility model can achieve a sealed connection between the box body 10 and the cover body 20 without heating through the cold seal adhesive layer 30, thereby reducing energy consumption, and the sealing speed of the cold seal packaging is 5-6 times that of the heat seal packaging, which can effectively reduce production costs and improve production efficiency.

[0036] In some achievable implementations, the cold sealing pressure of the cold sealing adhesive layer 30 is 1-2 kg. The sealing strength of the cold sealing adhesive layer 30 is moderate, and the bonding can be similar to a zipper. It can be opened by normal pulling force during use. It is simple and convenient to use, can meet the needs of consumers, and has a wide range of applications.

[0037] In some feasible embodiments, the cold sealing adhesive layer 30 includes: an adhesive body, a first adhesive surface and a second adhesive surface, the first adhesive surface is located on one side of the adhesive body and is connected to the box body 10; the second adhesive surface is located on the other side of the adhesive body and is arranged opposite to the first adhesive surface, and the second adhesive surface is connected to the cover body 20.

[0038] In some feasible embodiments, the cross-section of the box body 10 can be a regular shape or an irregular shape, wherein the regular shape can be, for example, a circle, a square, a rectangle, a trapezoid, etc. The shape of the cover 20 is adapted to the shape of the box body 10, and the cold seal adhesive layer 30 is adapted to the connection position between the cover 20 and the box body 10. The shape of the cover 20 and the shape of the box body 10 can be adjusted according to the actual needs of the user, and it is sufficient to ensure that the box body 10 and the cover 20 can be sealed under the action of the cold seal adhesive layer 30. In a feasible embodiment, as Figure 1-Figure 4 As shown in FIG. 1 , the cross-sections of the cover body 20 and the box body 10 are both circular, and the cross-section of the cold sealant layer 30 is also circular. In another achievable embodiment, as Figure 5-Figure 8 As shown, the cross-sections of the cover body 20 and the box body 10 are both rectangular, and the cross-section of the cold sealing glue layer 30 is also rectangular.

[0039] In some possible implementations, see Figure 2 and Figure 6 A first receiving groove 101 for receiving the adhesive body and exposing at least the second adhesive surface is provided on one side of the edge of the box body 10 facing the cover body 20. The first receiving groove 101 can fix the position of the cold seal adhesive layer 30 to prevent the cold seal adhesive layer 30 from shifting during the cold pressing process, thereby affecting the bonding effect between the box body 10 and the cover body 20. In addition, the first receiving groove 101 can also increase the contact area between the box body 10 and the cold seal adhesive layer 30, thereby improving the cold sealing effect.

[0040] In some possible implementations, see Figure 3 and Figure 7 The edge of the cover 20 is provided with a second receiving groove 201 on one side of the box body 10 for receiving the bonding body and exposing at least the first bonding surface. The second receiving groove 201 is provided corresponding to the first receiving groove 101. The position of the cold sealing adhesive layer 30 can be fixed by the second receiving groove 201 to prevent the cold sealing adhesive layer 30 from shifting during the cold pressing process, thereby affecting the bonding effect between the box body 10 and the cover 20. In addition, the second receiving groove 201 can also increase the contact area between the cover 20 and the cold sealing adhesive layer 30, thereby improving the cold sealing effect. The second receiving groove 201 cooperates with the first receiving groove 101 to ensure the fixing effect of the cold sealing adhesive layer 30.

[0041] In some feasible embodiments, an anti-fog layer (not shown) is further provided on one side of the cover 20 facing the box body 10. The anti-fog layer can prevent the cover 20 from forming water mist during the food heating process, making it easier for users to observe the state of the food in the packaging box, thereby improving the user experience.

[0042] In some feasible embodiments, the box body 10 includes a plastic box body, a metal box body and a paper box body. In some feasible embodiments, the cover body 20 includes a plastic cover body, a metal cover body and a paper cover body. The materials of the box body 10 and the cover body 20 can be arbitrarily combined. Exemplarily, the box body 10 and the cover body 20 are both made of plastic; Exemplarily, the box body 10 and the cover body 20 are both made of metal; Exemplarily, the box body 10 and the cover body 20 are both made of paper; Exemplarily, the box body 10 is made of plastic material and the cover body 20 is made of paper; Exemplarily, the box body 10 is made of plastic material and the cover body 20 is made of metal; Exemplarily, the box body 10 is made of metal material and the cover body 20 is made of paper; Exemplarily, the box body 10 is made of metal material and the cover body 20 is made of plastic; Exemplarily, the box body 10 is made of paper material and the cover body 20 is made of metal; Exemplarily, the box body 10 is made of metal material and the cover body 20 is made of paper; Exemplarily, the box body 10 is made of metal material and the cover body 20 is made of plastic; Exemplarily, the box body 10 is made of paper material and the cover body 20 is made of plastic; Exemplarily, the box body 10 is made of paper material and the cover body 20 is made of metal.

[0043] In some practicable embodiments, the food packaging box 100 of the present invention can be used for self-heating food packaging. Figure 1-2 and Figure 5-6 The edge of the box body 10 is symmetrically provided with an anti-scalding handle 102. The anti-scalding handle 102 facilitates the user to move the food after heating the food, prevents scalding, increases the safety of the packaging box, and thus improves the user experience.

[0044] In some practicable embodiments, the food packaging box 100 of the present invention can be used for self-heating food packaging. Figure 1 and Figure 5The bottom of the box body 10 is provided with an anti-scalding protrusion 103. The anti-scalding protrusion is convenient for users to move the food position after heating the food, prevent scalding, increase the safety of the packaging box, and thus improve the user experience.

[0045] The above are only implementation methods of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present utility model, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the present utility model.

Claims

1. A food packaging box, characterized in that: include: A box body, wherein the box body has a receiving space for receiving the food; A cover body, the cover body is adapted to the box body; A cold sealing adhesive layer, wherein the cold sealing adhesive layer is connected to the box body and the cover body respectively, and the thickness of the cold sealing adhesive layer is 5-10 microns; The cold sealant layer comprises: Bonding the subject; A first adhesive surface, the first adhesive surface is located at one side of the adhesive body and connected to the box body; a second adhesive surface, the second adhesive surface being located at the other side of the adhesive body and arranged opposite to the first adhesive surface, and the second adhesive surface being connected to the cover body; A first receiving groove for receiving the adhesive body and exposing at least the second adhesive surface is provided on one side of the box body facing the cover body; A second receiving groove for receiving the adhesive body and exposing at least the first adhesive surface is disposed on one side of the cover body facing the box body, and the second receiving groove is correspondingly disposed to the first receiving groove.

2. The food packaging box according to claim 1, characterized in that: The cold sealing pressure of the cold sealing adhesive layer is 1-2 kg.

3. The food packaging box according to claim 1, characterized in that: An anti-fog layer is also provided on one side of the cover body facing the box body.

4. The food packaging box according to claim 1, characterized in that: Anti-scalding handles are symmetrically arranged on the edges of the box body.

5. The food packaging box according to claim 1, characterized in that: The bottom of the box body is provided with an anti-scalding protrusion.