WO2019088647A1

WO2019088647A1 - Packing box having heat and cold insulation function

Info

Publication number: WO2019088647A1
Application number: PCT/KR2018/012999
Authority: WO
Inventors: 이정숙; 김남섭; 최성길; 김아나
Original assignee: 이정숙; 김남섭
Priority date: 2017-10-31
Filing date: 2018-10-30
Publication date: 2019-05-09

Abstract

The present invention relates to a packing box having a heat and cold insulation function, and comprises a first box (100) forming a storage space comprising: a corrugated cardboard layer (101); a deposition layer (140) formed on at least one side of the corrugated cardboard layer (101); and a coating layer (150) formed on the deposition layer (140).

Description

Packing box with heat and cold function

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging box, and more particularly, to a packaging box that provides a thermal insulation and a cooling function.

In general, the packaging box is used for various contents such as paper, corrugated cardboard, styrofoam and the like in order to protect contents stored therein from external shocks and to facilitate transportation.

When such a packing box is made of styrofoam, it is possible to protect the contents stored inside from the impact from the outside as well as the waterproofing, inserting and inserting effect, but also to maintain a constant volume to contain the contents There is a problem that it takes a lot of cost to store and transport.

On the other hand, the packaging box made of paper and corrugated paper is easy to manufacture, and it can be easily assembled and used when it is stored in a stacked state while being spread. Therefore, there is an advantage that the cost of logistics can be greatly reduced. However, Therefore, there is a problem that the stiffness is very weak and it is not possible to reuse it.

Accordingly, the present invention is intended to provide a packing box improved in the function of keeping warm and cold so that the content requiring storage and cooling can be safely and conveniently packaged due to deterioration and corruption.

According to the present invention, it is possible to provide a packaging material and a coating material which are capable of suppressing external wetting penetration and excellent in printing property by realizing a new built-in agent for eco-friendly material that can replace the EPS system, It is intended to provide a packing box that can be applied to various fields by storing and transporting fresh products such as meat.

A packaging box according to an embodiment of the present invention includes a cardboard layer 101; A deposition layer 140 formed on at least one side of the corrugated cardboard layer 101; And a coating layer (150) formed on the deposition layer (140) to form a storage space.

According to another embodiment of the present invention, the deposition layer 140 may be formed on both sides of the corrugated cardboard layer 101, and the coating layer 150 may be formed on the deposition layer 140.

According to another embodiment of the present invention, the deposition layer 140 may be formed of a thin aluminum coating layer.

According to another embodiment of the present invention, a second box 200 for accommodating the first box 100 may be further included.

According to another embodiment of the present invention, the second box 200 comprises a cardboard layer 201; And a deposition layer 140 formed on one side of the corrugated cardboard layer 201.

According to another embodiment of the present invention, a foam sheet layer formed inside the first box 100 may be further included.

According to the embodiment of the present invention, it is possible to provide a packing box improved in the function of keeping warm and cold so that the content requiring storage and cooling can be safely and conveniently packaged due to deterioration and corruption.

According to an embodiment of the present invention, there is provided a packaging material and a coating material which are capable of replacing a material of the EPS system by implementing a new built-in agent of an environmentally friendly material, And it can be applied to various fields by storing and transporting fresh products such as fruit vegetables, meat, and the like.

1 is a perspective view of a first box of a packaging box according to an embodiment of the present invention.

2 is an exploded view of a first box of a packaging box according to an embodiment of the present invention;

3 is an exploded view of a packaging box and a second box according to an embodiment of the present invention.

4 is a view showing a packing box according to an embodiment of the present invention.

5 to 8 are views showing a packaging box according to another embodiment of the present invention.

9 is a graph showing the results of the cooling test of the packing box according to the present invention.

10 is a view for explaining the air blocking ability of the packing box according to the embodiment of the present invention.

11 is a view for explaining storage characteristics of agricultural products in a packaging box according to an embodiment of the present invention.

FIGS. 12 to 21 are views for explaining storage characteristics of agricultural products in a packing box according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention. In addition, the size of each component in the drawings may be exaggerated for the sake of explanation and does not mean a size actually applied.

FIG. 1 is a perspective view of a first box of a packaging box according to an embodiment of the present invention, FIG. 2 is an exploded view of a first box of a packaging box according to an embodiment of the present invention, and FIG. Fig. 3 is a developed view of the packing box and the second box according to the example. Fig.

As shown in FIG. 1, the packing box according to an embodiment of the present invention includes a first box 100.

The first box 100 may include a corrugated cardboard layer 101, a deposition layer 140, and a coating layer 150.

More specifically, the corrugated cardboard layer 101 may be formed of generally corrugated cardboard, which is generally used, and a vapor deposition layer 140 may be formed on at least one surface of the corrugated cardboard layer 101. Also, a coating layer 150 may be formed on the deposition layer 140.

That is, when the vapor deposition layer 140 is formed on both sides of the corrugated cardboard layer 101, a coating layer 150 may be formed on the vapor deposition layer 140, The coating layer 150 may be formed only on the deposition layer 140 on one side.

The coating layer 150 may include a CR coating layer, a super coating layer, a laminating layer, a UV coating layer, or the like, which provides a waterproof function.

At this time, the deposition layer 140 may be formed of a thin aluminum coating layer.

As described above, by using the coating layer which provides a cooling effect by using the vapor deposition layer 140 made of the thin aluminum coating layer and chemical polishing to form an excellent gloss, the water resistance, oil resistance, moisture resistance, It is possible not only to improve the antifouling property, but also to improve the aesthetic appearance while increasing the color reflectance.

The first box 100 is formed in a hexahedron shape of the corrugated cardboard layer 101 so that various contents can be stored in the inner space. The first box 100 includes a side surface 110, a bottom 120, (130).

More specifically, the side surface portion 110 forms the side surface of the first box 100 and is formed of four side walls so as to be formed into a square pillar shape corresponding to the shape of the bottom portion 120. At this time, the side walls of the four side walls are connected to each other, and the connecting portion is formed with a fold line.

As shown in FIG. 2, a joining member 111 may be formed on the outermost side wall of the four sidewalls. The joining member 111 may be formed in a rectangular pillar shape In this case, it is attached to the inside of the side wall orthogonal to each other to easily maintain the shape of the square pillar.

The bottom portion 120 is formed to extend under the four sidewalls of the side portion 110 to have the same width to form the bottom surface of the first box 100.

The cover 130 is formed to extend over the four sidewalls at the same width to cover the upper portion of the first box 100 so that the width of the cover 130 gradually decreases toward the end. That is, since the width of the lid part 130 gradually decreases toward the end, when the upper part of the first box 100 is opened or closed, the folding can be smoothly performed without interfering with each other.

3, the packing box 100 according to an embodiment of the present invention may include a first box 100 and a second box 200. [

The second box 200 is configured to receive the first box 100 and more specifically the second box 200 may include a corrugated cardboard layer 201 and a deposition layer 210, The deposition layer 210 is a waterproof layer formed by a process of forming a waterproof function, for example, a thin aluminum coating layer.

That is, according to one embodiment of the present invention, the second box 200 may be formed with a deposition layer 210 on one side of the corrugated cardboard layer 201. Inside the second box 200 having such a structure, The first box 100 can be accommodated.

According to another embodiment of the present invention, the second box 200 may be composed of a corrugated cardboard layer, a vapor deposition layer, and a coating layer, like the first box 100.

FIG. 4 is a view showing a packing box according to an embodiment of the present invention, and FIGS. 5 to 8 are views showing a packing box according to another embodiment of the present invention.

Hereinafter, the packaging box according to one embodiment of the present invention and the packaging box according to another embodiment of the present invention will be described with reference to FIGS. 4 to 8. FIG.

4, the packaging box according to the first embodiment of the present invention is configured such that the first box 100 includes a corrugated cardboard layer 101, a deposition layer 140, and a coating layer 150, The first box 100 constituted can be housed in the second box 200 composed of corrugated cardboard.

4, when the first box 100 is composed of the corrugated cardboard layer 101, the deposition layer 140 and the coating layer 150 and the second box 200 is made of corrugated cardboard, While minimizing the cost, it is excellent in internal cooling effect and air blocking effect.

The packaging box according to the second embodiment of the present invention shown in Fig. 5 is configured such that the first box 100 is formed of a vapor deposition layer, which is a thin aluminum coating layer, on the corrugated cardboard layer, The second box 200 may be formed of a vapor deposition layer on the corrugated cardboard layer. In the packaging box according to the third embodiment of the present invention shown in FIG. 6, the first box 100 is formed on the corrugated cardboard layer, And the second box 200 for accommodating the first box 100 is also formed of a vapor deposition layer which is a thin aluminum coating layer on the corrugated cardboard layer, The thickness of the corrugated cardboard 200 may be larger than that of the corrugated cardboard.

7, the first box 100 includes a corrugated cardboard layer 101, a deposition layer 140 and a coating layer 150, and the first box 100 includes the corrugated cardboard layer 101, The first box 100 may be housed in a second box 200 that is comprised of a deposition layer on the corrugated cardboard layer.

8, the first box 100 includes a corrugated cardboard layer 101, a deposition layer 140, and a coating layer 150, and the first box 100 includes a corrugated cardboard layer 101, A second box 200 made of a foam sheet layer may be accommodated in one box 100. [

Thus, when the second box 200 made of a foam sheet layer is installed inside the first box 100, the contents stored in the first box 100 are protected from external impact, and at the same time, .

At this time, the foam sheet layer may be formed of expanded polyethylene material, which is mainly used as a packaging material, a building material, a thermal insulation material, etc., and is formed in the first box 100 to be smaller than the first box 100.

When the second box 200 using the foamed polyethylene material is installed inside the first box 100, the shock absorbing property is high, the shock absorbing property is not deteriorated by repeated impact, the thermal conductivity is low and the heat insulating property is improved, It is cheap and very lightweight.

FIG. 9 is a graph showing the results of the cooling test of the packaging box according to the present invention. More specifically, FIG. 9 is a graph showing the result of inserting the ice pack 2 L The following graph shows the change in the internal temperature of the box stored at an external temperature of 20 ° C.

The packaging box according to the first and fifth embodiments of the present invention is relatively excellent in the cooling effect of the packing box. The packaging box according to the second to fourth embodiments of the present invention is the same as the packaging box according to the first embodiment And the fifth embodiment, there is a section in which the cooling effect is excellent in a specific time period. However, the internal temperature of the packaging box is generally high, and it is confirmed that the cooling effect is maintained at a certain level or more.

FIG. 10 is a view for explaining the air blocking capability of the packaging box according to an embodiment of the present invention. More specifically, FIG. 10 illustrates the airblocking capability of a paper box according to the related art and a packaging box according to an embodiment of the present invention. FIG.

In order to test the air-blocking ability, a carbon dioxide injection needle was inserted into each box, and a carbon dioxide sensor was put in the box to seal the box.

About 18% of carbon dioxide was injected through the needle into the box, and the change in the carbon dioxide concentration was measured. As a result, in the case of the conventional paper box, most of the carbon dioxide gas rapidly escaped from the inside to the outside after about 15 minutes Respectively.

On the other hand, it can be seen that the packing box according to an embodiment of the present invention is released from most of the carbon dioxide within about 7 hours after the injection.

Therefore, it is shown that the airblocking ability is superior to the box paper box for packaging according to the embodiment of the present invention.

11 is a view for explaining storage characteristics of agricultural products in a packing box according to an embodiment of the present invention. More specifically, the conventional paper box and the packing box and beef according to an embodiment of the present invention are stored, Fig.

During the experiment, ice packs (11.0% of ice cubes per packed container volume) were placed in the container and about 100 g of the beef, which had been vacuum-packed, was placed in each container and stored at an external temperature of 30 ° C.

As a result, the beef stored in the paper box was rapidly discolored after 4 hours, and the beef stored in the packaging box according to an embodiment of the present invention partially discolored after 24 hours of storage.

Therefore, it can be confirmed that the packaging box according to an embodiment of the present invention can effectively prevent discoloration that may easily occur during storage and distribution of meat due to excellent cooling effect and air blocking effect.

12 and 13 are views comparing the appearance and weight change rate of a banana according to storage time of a conventional paper box and a packaging box according to an embodiment of the present invention, A paper box and a paprika of a packaging box according to an embodiment of the present invention.

Most of the paper boxes are currently used and the maximum fruit quality is maintained for about 15 days depending on the material of the packaging container in which the fresh fruit is packed. It is necessary to extend maintenance.

Therefore, in order to investigate the degree of postnatal maturation according to the packaging containers, typical post-mortem bananas were sealed in a paper box, a styrofoam box, and a packaging box according to an embodiment of the present invention, The appearance was observed for 24 days.

As shown in FIG. 12, the appearance of the banana stored in the paper box decreased rapidly after 6 days of storage, and the post-hatching progressed rapidly according to the storage period. In the case of the banana stored in the styrofoam box, The postpartum period was completely completed after 12 days.

In comparison, the banana stored in the packaging box according to one embodiment of the present invention showed a state of fully postnatal growth after 24 days of storage, showing that the most delayed effect was excellent.

On the other hand, referring to the graph of FIG. 13, it can be seen that the weight decrease of the banana stored in the paper box decreases most rapidly according to the storage period, and the Styrofoam box can prevent the decrease of the weight of the banana somewhat.

That is, the average weight change rates of the paper box, the styrofoam box, and the packing box according to one embodiment of the present invention were 11.7%, 9.1%, and 2.6% after 24 days of storage, respectively. It can be seen that the weight change of the banana stored in the box can be most effectively reduced.

The packing box according to an embodiment of the present invention, which is excellent in the ability to block the outside air, can effectively prevent moisture evaporation of the banana due to the difference in relative humidity with the outside air, thereby preventing weight change.

Therefore, the packaging box according to an embodiment of the present invention is excellent in the ability to block external air, and thus is effective in preventing the deterioration in quality during storage and distribution, thereby leading to agricultural products.

14 to 21, paprika as a typical post-mortem fruit is packed into a paper box and a packaging box according to an embodiment of the present invention, and the post-mortem rate, quality and shelf stability according to the storage period will be described.

The paper bag according to the prior art and the packaging box according to an embodiment of the present invention were packed with paprika, and then the external appearance was observed while being stored at an external temperature of 25 ° C.

Referring to FIG. 14, it can be seen that the paprika stored in the packing box according to the embodiment of the present invention is relatively good in quality of appearance over the storage period as compared with the paprika stored in the conventional paper box, FIG. 16 shows the moisture content, FIG. 17 shows the weight change rate, FIG. 18 shows the hardness, FIGS. 19 and 20 show the ABTS and FRAP (Ferric reducing / antioxidant power ), Paprika stored in a packaging box according to an embodiment of the present invention is superior to paprika stored in a conventional paper box in terms of total phenol content, oxidative enzyme activity, and oxidative enzyme activity. As described above, the packaging box according to an embodiment of the present invention prevents quality deterioration as compared with the conventional paper box, It can be seen that for the greatly improved.

In the foregoing detailed description of the present invention, specific examples have been described. However, various modifications are possible within the scope of the present invention. The technical spirit of the present invention should not be limited to the above-described embodiments of the present invention, but should be determined by the claims and equivalents thereof.

Claims

A corrugated cardboard layer 101;

A deposition layer 140 formed on at least one side of the corrugated cardboard layer 101; And

A coating layer 150 formed on the deposition layer 140;

And a first box (100) for forming a storage space including the first box (100).
The method according to claim 1,

The deposition layer 140 may be formed,

Formed on both sides of the corrugated cardboard layer (101)

The coating layer (150)

And a heat insulating and cooling function formed on the deposition layer (140).
The method according to claim 1,

The deposition layer 140 may be formed,

A packaging box with a function of keeping warm and cold, consisting of a thin aluminum coating layer.
The method according to claim 1,

A second box (200) for receiving the first box (100);

Wherein the box has a heat retaining and cooling function.
The method of claim 4,

The second box (200)

A corrugated cardboard layer 201; And

A deposition layer 140 formed on one side of the corrugated cardboard layer 201;

Packing box having a thermal insulation and cold storage function.
The method according to claim 1,

A foam sheet layer formed inside the first box 100;

Wherein the box has a heat retaining and cooling function.