Liquid food packaging box

Abstract

The utility model discloses a liquid food packing box, which comprises a liquid food packing box main body and a sealing area, the liquid food packing box main body is provided with an aluminized paper layer, a metal foil layer and a sealing coating, the aluminized paper layer is the outermost layer of the liquid food packing box main body, the metal foil layer is positioned on the inner layer of the aluminized paper layer, and the sealing coating is positioned on the outer layer of the aluminized paper layer. The liquid food packaging box body is of a square structure in an unfolded state, the outer side edge position of the square structure is an edge sealing press-fit area, the middle position of the square structure is a main containing area, and an upper folding area is arranged above the main containing area. The liquid packaging box is formed by compounding the aluminized paper, the metal foil and the heat-sealing coating, the used raw materials do not contain plastic components, the environment-friendly requirement is met, drinks in the packaging box can be heated by heating the liquid packaging box, harmful components cannot be generated, and the safety is good.

Description

Technical Field

[0001] The utility model belongs to the technical field related to liquid packaging boxes, and specifically relates to a liquid food packaging box. Background Art

[0002] Liquid food packaging box, also known as "Tetra Pak", is the common name for food packaging of paper-based composite materials for liquid aseptic food packaging. It is based on base paper and is compounded with plastic, aluminum foil or other barrier materials. It is a material for aseptic filling of liquid food in roll form or single product form. The main packaging forms include roof packs, brick packs, and packs. Traditional liquid packaging boxes have a plastic film on the inner layer of hard paper, and a heat sealing mold is provided on the inner side of the plastic film. The setting of the plastic film is not convenient for the recycling and degradation of the liquid packaging box, which is not conducive to environmental protection. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a liquid food packaging box. To solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0004] A liquid food packaging box comprises a liquid food packaging box body and a sealing area, wherein the liquid food packaging box body is provided with an aluminized paper layer, a metal foil layer and a sealing coating, wherein the aluminized layer is the outermost layer of the liquid food packaging box body, and the metal foil layer is located in the inner layer of the aluminized paper layer. The liquid food packaging box body is a square structure when it is unfolded, the outer edge position of the directional structure is the edge sealing pressing area, the middle position is the main holding area, the upper part of the main holding area is the upper folding area, and the lower part is the lower folding area, which is convenient for folding to form a three-dimensional packaging box state.

[0005] As a further solution of the utility model: the sealing coating is provided with two types of cold sealing coating and hot sealing coating, which are used to make liquid food packaging box bodies of different specifications.

[0006] As a further solution of the utility model: the cold seal coating is applied in the edge sealing pressing area to produce a packaging box with cold seal coating specifications.

[0007] As a further solution of the utility model: the heat-sealing coating is applied in the area composed of the edge sealing pressing area and the main containing area, and the whole plate is coated to produce a heat-sealing coating packaging box.

[0008] As a further solution of the utility model: the metal foil layer is made of aluminum foil.

[0009] As a further solution of the utility model: the metal foil layer is made of tin foil.

[0010] As a further solution of the utility model: the sealing area is arranged in the upper folding area for inserting a straw for drinking liquid food.

[0011] The liquid packaging box of the utility model is composited with aluminum-plated paper, metal foil and heat-sealing coating, and the raw materials used do not contain plastic components, which meets environmental protection requirements. The beverage in the packaging box can be heated by heating the liquid packaging box, and no harmful components will be generated, which has good safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the folded state of the package of the utility model;

[0013] Figure 2 This is a schematic diagram of the layered state of the packaging box of the utility model;

[0014] Figure 3 This is a schematic diagram of coating the cold-sealed laminating part of the utility model;

[0015] Figure 4 It is a schematic diagram of heat-sealed full-plate coating of the utility model.

[0016] In the figure: 1. Liquid food packaging box body; 2. Upper folding area; 3. Lower folding area; 4. Sealing area; 5. Edge sealing and pressing area; 6. Aluminum-coated paper layer; 7. Metal foil layer; 8. Sealing coating; 9. Main filling area; 10. Cold sealing coating; 11. Heat sealing coating. DETAILED DESCRIPTION

[0017] like Figures 1 to 4 As shown, the liquid food packaging box comprises a liquid food packaging box body 1 and a sealing area 4, the liquid food packaging box body 1 is provided with an aluminized paper layer 6, a metal foil layer 7 and a sealing coating 8, wherein the aluminized layer is the outermost layer of the liquid food packaging box body 1, the metal foil layer 7 is located in the inner layer of the aluminized paper layer 6, the liquid food packaging box body 1 is a square structure when unfolded, the outer edge position of the directional structure is the edge sealing pressing area 5, the middle position is the main holding area 9, the upper part of the main holding area 9 is the upper folding area 2, and the lower part is the lower folding area 3, which is convenient for folding to form a three-dimensional packaging box state.

[0018] The sealing coating 8 includes two types: a cold sealing coating 10 and a hot sealing coating 11, which are used to manufacture liquid food packaging box bodies 1 of different specifications.

[0019] The cold seal coating 10 is coated and arranged in the edge sealing pressing area 5 to produce a packaging box with the specification of the cold seal coating 10 .

[0020] The heat-sealing coating 11 is applied in the area formed by the edge sealing pressing area 5 and the main containing area 9, and the whole plate is coated to produce a packaging box with the heat-sealing coating 11.

[0021] The metal foil layer 7 is made of aluminum foil.

[0022] The metal foil layer 7 is made of tin foil.

[0023] The sealing area 4 is arranged on the upper folding area 2 and is used for inserting a straw for drinking liquid food.

[0024] The main body of the liquid packaging box of the utility model is composed of an aluminized paper layer 6 and a metal foil layer 7. The aluminized paper layer 6 is made of hard paper. The metal foil layer 7 is made of aluminum foil or tin foil. There are two specifications. The sealing coating 8 of the liquid food packaging box main body 1 is provided with a cold sealing coating 10 and a hot sealing coating 11.

[0025] In the first embodiment, the metal foil layer 7 is aluminum foil, the sealing coating 8 is a cold sealing coating 10, and the cold sealing coating 10 is coated and arranged in the edge sealing pressing area 5 to form an aluminum foil packaging box of cold sealing specifications;

[0026] In the second embodiment, the metal foil layer 7 is made of tin-aluminum foil, the sealing coating 8 is made of cold-sealing coating 10, and the cold-sealing coating 10 is coated and arranged in the edge sealing pressing area 5 to form a tin foil packaging box of cold-sealing specification;

[0027] In the third embodiment, the metal foil layer 7 is aluminum foil, the sealing coating 8 is a heat-sealing coating 11, and the heat-sealing coating 11 is coated and arranged in the edge sealing pressing area 5 and the main containing area 9 to form an aluminum foil packaging box with heat-sealing specifications;

[0028] In the fourth embodiment, the metal foil layer 7 is made of tin foil, the sealing coating 8 is made of heat-sealing coating 11, and the heat-sealing coating 11 is coated and arranged in the edge sealing pressing area 5 and the main containing area 9 to form a tin foil packaging box with heat-sealing specifications;

[0029] Liquid packaging boxes of different specifications can meet the packaging needs of different liquid foods;

[0030] The novel liquid packaging box used in the present invention is composited with aluminum-coated paper, metal foil and heat-sealing coating 11. The raw materials used do not contain plastic components, which meets environmental protection requirements. The beverage in the packaging box can be heated by heating the liquid packaging box, and no harmful components will be generated, which has good safety.

Claims

1. A liquid food packaging box, comprising a liquid food packaging box body (1) and a sealing area (4), characterized in that: The liquid food packaging box body (1) is provided with an aluminized paper layer (6), a metal foil layer (7) and a sealing coating (8), wherein the aluminized layer is the outermost layer of the liquid food packaging box body (1), and the metal foil layer (7) is located in the inner layer of the aluminized paper layer (6). When the liquid food packaging box body (1) is in an unfolded state, it is a square structure, the outer edge position of the directional structure is the edge sealing pressing area (5), the middle position is the main containing area (9), the upper part of the main containing area (9) is the upper folding area (2), and the lower part is the lower folding area (3).

2. The liquid food packaging box according to claim 1, characterized in that: The sealing coating (8) is provided with two types: a cold sealing coating (10) and a hot sealing coating (11).

3. The liquid food packaging box according to claim 2, characterized in that: The cold seal coating (10) is applied and arranged in the edge sealing pressing area (5).

4. The liquid food packaging box according to claim 2, characterized in that: The heat-sealing coating (11) is applied in the area formed by the edge sealing pressing area (5) and the main containing area (9) to perform full-plate coating.

5. The liquid food packaging box according to claim 1, characterized in that: The metal foil layer (7) is made of aluminum foil.

6. The liquid food packaging box according to claim 1, characterized in that: The metal foil layer (7) is made of tin foil.

7. The liquid food packaging box according to claim 1, characterized in that: The sealing area (4) is arranged in the upper folding area (2).

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