CN216270972U - Food container and packaging structure - Google Patents

Abstract

The utility model provides a food container, a packaging material and a packaging structure, comprising a drying functional structure, which comprises an outer layer; an inner layer; the drying functional layer is arranged between the outer layer and the inner layer; and a plurality of ventilation through holes are processed on the part of the inner layer corresponding to the drying functional layer. The food packaging bag is creatively provided with the desiccant functional layer, the desiccant functional layer is arranged on one or two of the side wall, the upper wall (or the upper cover) and the bottom of the food container, other packaging structures are similar to a food bag and food packaging paper, the food can be directly prepared or directly wrapped by a composite material with an outer layer, the desiccant functional layer and an inner layer, the air holes formed in the inner layer can enable water vapor in a space for wrapping the food to be absorbed by the desiccant functional layer through the air holes, the functional area of the desiccant functional layer is far larger than that of a traditional desiccant in an independent small bag, therefore, the capability of keeping the food crisp is obviously improved, the desiccant functional layer is not in direct contact with the food, and the safety and the sanitation of the food are ensured.

Description

Food container and packaging structure

Technical Field

The utility model relates to the field of crisp food packaging and fast food takeout, in particular to a food container and a packaging structure.

Background

At present, independent drying agents are placed in packaging bags or packaging boxes for packaging crisp foods, so that the foods are prevented from getting damp and losing crisp mouthfeel, but one drying agent bag can be in contact with the foods, so that sanitation potential hazards exist, only one small bag is arranged in the drying agent bag and mixed in the foods, the drying effect is not ideal, and a great space is provided for maintaining the mouthfeel of the foods. In the take-away market, particularly fried fast food such as fried chicken wings, chicken legs and the like, the crispy taste and the fragrance of the food are obviously reduced along with the reduction of the temperature and the absorption of moisture in the air in the transportation process of half an hour, so that the eating experience is influenced. Therefore, for the group of customers who have high price or high requirement for flavor of food, it is necessary to provide a carrier for packaging and transporting food, which can solve the above problems.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a food container or packaging structure which solves the aforementioned problems.

In order to solve the technical problem, the utility model discloses a food container or packaging structure, which comprises a drying function structure, wherein the drying function structure comprises:

an outer layer;

an inner layer for direct contact with food or food passing through a small package;

the drying functional layer is arranged between the outer layer and the inner layer;

a plurality of ventilation through holes are processed on the part of the inner layer corresponding to the drying functional layer;

the drying functional structure is at least arranged at one or more than two positions of the side wall, the upper wall and the bottom of the food container. The upper wall may be an upper cover.

The food container is creatively provided with the drying agent functional layer, the drying agent functional layer is arranged on one or more than two of the side wall, the upper wall (or the upper cover) and the bottom of the food container, other packaging structures are similar to food bags and food packaging paper, composite materials with an outer layer, the drying agent functional layer and an inner layer can be directly adopted to prepare or directly wrap food, and the air holes arranged on the inner layer can enable water vapor in a space wrapping the food to be absorbed by the drying agent functional layer through the air holes. Particularly for the crisp food which is just prepared, such as fried, baked and baked takeaway food, the utility model is a good solution in order to keep the taste of the food just taken out of the oven as much as possible from the preparation to the delivery to the consumer and during the eating period, and the utility model can well meet the requirements of consumer groups with higher taste requirements. For food processing, extending the optimal tasting period of food is also an important competitive index and therefore of great significance.

Further, the dry functional layer is of a flat structure. The drying functional layer is made into a flat structure, so that the contact area of the same drying agent can be far higher than that of a traditional drying agent bag, the efficiency of absorbing water vapor is higher, meanwhile, the flaky drying agent functional layer can be perfectly combined with the outer layer and the inner layer to form a composite packaging material, for example, the side wall or/and the top cover of a whole food container (such as a packaging box) can be completely prepared by the composite material, and a food bag or a food packaging paper can also be completely or mostly made of the composite material, so that the content of the drying agent can be further increased, the absorption area of the drying agent on the water vapor can be increased, the drying efficiency and the drying effect can be further improved, the drying maintaining time can be prolonged, the requirements of a group with higher requirements on the taste of food, particularly for take-out food, and the quality of take-out can be improved.

Further, the drying function layer comprises a breathable desiccant outer bag and a desiccant placed in the desiccant outer bag. The desiccant functional layer may also be formed of one or more flat desiccant wrappers and the desiccant contained therein, with the wrappers being positioned at desired locations between the outer and inner layers. Therefore, the desiccant functional layer can be an integral body compounded with the outer layer and the inner layer; or may be made separately and then one or more desiccant functional layers may be sandwiched between the outer and inner layers. Therefore, the design can be flexible according to different requirements of different costs and application places.

Further, the desiccant is wrapped in mutually independent areas, and the desiccant is placed in each independent area. In order to avoid uneven distribution caused by the desiccant moving in the desiccant package, the desiccant package is divided into a plurality of mutually independent areas, such as square structures, diamond structures, polygonal or circular structures and the like which are arranged in a matrix.

Furthermore, isolation structures are arranged between the mutually independent areas, and the isolation structures are uniform linear adhesion parts or point adhesion parts. For example, the inner surface of the air-permeable material of the desiccant outer-packaging material is coated with hot melt adhesive, the desiccant is uniformly and thinly coated between two layers of air-permeable materials, and then the desiccant outer-packaging is hot-pressed by utilizing a latticed mold at a certain temperature, so that the air-permeable materials of the pattern layer are adhered together along the grid lines according to the design of the mold, and a plurality of independent areas for containing the desiccant are formed between the grid lines.

In practical use, the desiccant outer package can be made of non-woven fabrics. The inner layer can be made of metal, plastic, fabric or paper materials which can contact food.

Further, the drying agent can be selected from silica gel drying agent, lime drying agent, mineral drying agent and the like, and preferably quicklime particles or powder. When absorbing water vapor, the quicklime can generate chemical reaction to generate heat, and the heat can further delay the cooling speed of the takeout food and prolong the maintaining time of the optimal mouthfeel of the crisp takeout food.

In some applications, such as recycling food containers and packaging structures, at least one cavity is provided between the outer and inner layers forming the side or top wall of the food container or packaging structure for receiving a desiccant functional layer, which is replaceably mounted. Therefore, the functional layer of the drying agent can be conveniently detached and replaced, and the requirement of repeated use is met, for example, the drying agent is used for picnic at home.

The present invention also provides a packaging structure for packaging a food product, comprising:

an outer layer;

an inner layer for direct contact with food or food passing through a small package;

the drying functional layer is arranged between the outer layer and the inner layer;

a plurality of ventilation through holes are processed on the part of the inner layer corresponding to the drying functional layer; the drying function layer comprises a breathable drying agent outer package and a drying agent arranged in the drying agent outer package; the desiccant is wrapped in mutually independent areas, and the desiccant is placed in each independent area.

Drawings

FIG. 1 is a schematic structural view of a packaging material of the present invention;

FIG. 2 is a schematic view showing an example of a structure of a food container or package of the present invention;

fig. 3 is a schematic structural view of an example of a dry functional layer of the present invention.

The labels in the figure are: an outer layer 1; drying the functional layer 2; the isolation structure 21; mutually independent areas 22; an inner layer 3; a ventilation through hole 31; a food container bottom 4; a food container lid 6.

Detailed Description

The technical solution of the present invention will be further described with reference to the following specific examples, but the present invention is not limited to these examples.

As shown in fig. 1 and 2, the present invention discloses a food container or packaging structure, which comprises a drying function structure, wherein the drying function structure comprises:

an outer layer 1;

an inner layer 3 for direct contact with food or food passing through a small package;

a dry functional layer 2 arranged between the outer layer 1 and the inner layer 3;

a plurality of ventilation through holes 31 are processed on the part of the inner layer 3 corresponding to the drying functional layer 2;

the drying functional structure is at least arranged at one or more than two positions of the side wall, the upper wall and the bottom of the food container. In the example of fig. 2, is provided in the side wall of the food container.

The utility model creatively arranges the desiccant functional layer on one or more than two of the side wall or the upper wall (or the upper cover) and the bottom of the food container, or directly prepares one or more than two of the side wall, the upper wall or the upper cover and the bottom of the food container by using the desiccant functional structural material, the other packaging structures are similar to food bags and food packaging paper, the composite material with the outer layer, the desiccant functional layer and the inner layer can be directly adopted for preparing or directly wrapping food, the air holes arranged on the inner layer can ensure that water vapor in the space wrapping the food is absorbed by the desiccant functional layer through the air holes, due to the structure, the functional area of the desiccant functional layer is far larger than that of the traditional desiccant of the independent small bag, therefore, the capability of keeping the food crisp is obviously improved, and the functional layer of the drying agent is not in direct contact with the food, thereby ensuring the safety and sanitation of the food.

In the example of fig. 2, the dry functional layer 2 is of a flat structure. The drying functional layer 2 is made into a flat structure, so that the contact area of the same desiccant can be far higher than that of the traditional desiccant bag, the moisture absorption efficiency is higher, meanwhile, the thin sheet-shaped desiccant functional layer 2 can perfectly form a composite packaging material with an outer layer and an inner layer (as shown in the examples of fig. 1 and 2), for example, the side wall or/and the top cover 6 of the whole food container (such as a packaging box, as shown in fig. 2, including the cover 6 of the food container, the bottom 4 of the food container, and the side wall of the food container made of the packaging material shown in fig. 1) can be completely made of the composite material, and the food bag or food wrapping paper can be completely or mostly made of the composite material (the material shown in fig. 1), so that the content of the desiccant can be further increased, the moisture absorption area of the desiccant can be increased, the drying efficiency and the drying effect can be further improved, and the maintenance time of drying meets the requirements of groups with higher requirements on the mouthfeel of foods, particularly take-away foods, and improves the quality of take-away.

In some embodiments, the desiccant functional layer 2 comprises a desiccant wrapper that is breathable, and a desiccant placed in the desiccant wrapper. The desiccant functional layer may also be formed of one or more flat desiccant wrappers and the desiccant contained therein, with the wrappers being positioned at desired locations between the outer and inner layers. Therefore, the desiccant functional layer can be an integral body compounded with the outer layer and the inner layer; or may be made separately and then one or more desiccant functional layers may be sandwiched between the outer and inner layers. Therefore, the design can be flexible according to different requirements of different costs and application places.

As shown in fig. 3, in some embodiments, the wrapper and the aforementioned desiccant wrapper may be of the following construction: there are separate zones 22, each separate zone 22 having the desiccant disposed therein. In order to avoid uneven distribution of the desiccant due to its movement in the desiccant package, the desiccant package is divided into a plurality of mutually independent areas 22, for example, in a square structure, a diamond structure, a polygonal or circular structure, or the like, arranged in a matrix.

In the example of fig. 3, isolation structures 21 are provided between the mutually independent regions 22, and the isolation structures 21 are uniform linear adhesion portions or point adhesion portions. For example, the inner surface of the air-permeable material of the desiccant outer-packaging material is coated with hot melt adhesive, the desiccant is uniformly and thinly coated between two layers of air-permeable materials, and then the desiccant outer-packaging is hot-pressed by utilizing a latticed mold at a certain temperature, so that the air-permeable materials of the pattern layer are adhered together along the grid lines according to the design of the mold, and a plurality of independent areas for containing the desiccant are formed between the grid lines.

In practical use, the desiccant outer package can be made of non-woven fabrics. The inner layer can be made of metal, plastic, fabric or paper materials which can contact food.

In practical application, the drying agent can be selected from silica gel drying agent, lime drying agent, mineral drying agent and the like, and quicklime particles or powder is preferred. When absorbing water vapor, the quicklime can generate chemical reaction to generate heat, and the heat can further delay the cooling speed of the takeout food and prolong the maintaining time of the optimal mouthfeel of the crisp takeout food.

In some applications, such as recycling food containers and packaging structures, at least one cavity is provided between the outer and inner layers forming the side or top wall of the food container or packaging structure for receiving a desiccant functional layer, which is replaceably mounted. Therefore, the functional layer of the drying agent can be conveniently detached and replaced, and the requirement of repeated use is met, for example, the drying agent is used for picnic at home.

The present invention also provides a packaging material, as shown in fig. 1, for packaging food, and for preparing a food container or other packaging structure, comprising:

an outer layer 1;

an inner layer 3 for direct contact with food or food passing through a small package;

a dry functional layer 2 arranged between the outer layer 1 and the inner layer 3;

the part of the inner layer 3 corresponding to the drying functional layer 2 is processed with a plurality of ventilation through holes 31.

The dry functional layer has a flat structure, and may have the structure shown in fig. 3, for example.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (8)

1. A food container comprising a dry function structure, the dry function structure comprising:

an outer layer;

an inner layer for direct contact with food or food passing through a small package;

the drying functional layer is arranged between the outer layer and the inner layer;

a plurality of ventilation through holes are processed on the part of the inner layer corresponding to the drying functional layer;

the drying functional structure is at least arranged at one or more than two positions of the side wall, the upper wall and the bottom of the food container;

the drying function layer comprises a breathable drying agent outer package and a drying agent arranged in the drying agent outer package;

the desiccant is wrapped in mutually independent areas, and the desiccant is placed in each independent area.

2. Food product container according to claim 1, characterized in that the dry functional layer is of a flat structure.

3. The food container according to claim 2, wherein a separation structure is provided between the mutually independent areas, and the separation structure is a uniform linear adhesion part or a point adhesion part.

4. The food container of claim 2, wherein the desiccant casing is made of non-woven fabric.

5. The food container of claim 4 wherein the inner layer is a food-contactable metal, plastic, fabric or paper material.

6. The food container of claim 4, wherein the desiccant is quicklime granules or powder.

7. Food product container according to any one of claims 1-6, characterized in that between the outer and inner layers forming the side walls or upper wall of the product container or packaging structure, at least one cavity is provided for accommodating a desiccant functional layer, which is replaceably mounted.

8. A packaging structure for packaging a food product, comprising:

an outer layer;

an inner layer for direct contact with food or food passing through a small package;

the drying functional layer is arranged between the outer layer and the inner layer;

a plurality of ventilation through holes are processed on the part of the inner layer corresponding to the drying functional layer; the drying function layer comprises a breathable drying agent outer package and a drying agent arranged in the drying agent outer package; the desiccant is wrapped in mutually independent areas, and the desiccant is placed in each independent area.

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