KR102420062B1 - Corrugated Cardboard Box For Delivering Frozen Food - Google Patents

Abstract

The present invention relates to a corrugated cardboard packaging box for delivering frozen food that can maintain the maximum temperature of the delivered food when delivering frozen or refrigerated food to consumers. Its composition is; To a paper packaging box capable of maintaining the maximum temperature of the delivered food when delivering frozen or refrigerated food to consumers, and a method for manufacturing the same. The packaging box, the main packaging box (1) that is sealed in a folded state in a sealed container in the form of a hexahedron; and a spacing mechanism 100 that is introduced into the main packaging box 1 and allows the shipment to be spaced apart from the bottom of the main packaging box 1 .

Description

Corrugated Cardboard Box For Delivering Frozen Food}

The present invention relates to a packaging box, and more particularly, to a corrugated cardboard packaging box for delivering frozen food that can maintain the temperature of the delivered food as much as possible when delivering frozen or refrigerated food to consumers.

Recently, as the online market has become extremely common, the delivery business is also being activated day by day. Packaging technology for packaging various products is also evolving.

Packaging technology, which is essential for delivery, is also developing day by day. The most basic of packaging is to prevent damage to the product. However, there are many tasks to be considered, such as minimizing the volume, not significantly increasing the weight, and minimizing the cost.

In recent years, the delivery of food that requires warmth is also widely performed. There is also a need for a packaging method that can maintain the freshness of refrigerated food or keep frozen food frozen until it is delivered. Styrofoam has been used in the prior art for this need. Styrofoam boxes are widely used because of their light weight and excellent thermal insulation, but they are bulky and inconvenient in distribution and discharging processes.

In this regard, a packaging box having a cooling function as in Korean Patent Application No. 10-2010-0006108 has been proposed, but there is a problem in that the manufacturing cost increases.

In recent years, as can be seen from terms such as same-day delivery or overnight delivery, the delivery time tends to be very short. Therefore, paperboards, especially corrugated cardboard boxes, are also used for the delivery of frozen food. However, if a cardboard packaging box is to be used for shipping frozen food, careful attention is required to maintain the cool air in addition to the insulator such as dry ice or ice pack.

For example, in the delivery process, packing boxes are often put down in front of the front door of an apartment or villa. If the recipient picks it up right away, there will be no problem, but in some cases it will only be picked up after a few hours or overnight. In this case, the cooling effect decreases due to the temperature of the floor itself.

Republic of Korea Utility Model Registration Application No. 20-2009-0016952 Korean Patent Application No. 10-2010-0006108

In response to the above problem, an object of the present invention is to provide a packaging box having a cooling function for the delivery of refrigerated or frozen food, and more specifically, a packaging box made of a corrugated cardboard material having a cooling function that can replace Styrofoam. The purpose of the present invention is to provide a corrugated cardboard packaging box for shipping frozen food that can solve the problem of quickly losing cool air due to the temperature of the floor itself even when the packaging box is placed on the floor for a long time.

The above object, the main packaging box sealed in a folded state in a sealed container of the six-sided shape;

It is achieved by a corrugated cardboard packaging box for delivery of frozen food, characterized in that it includes; a spacer mechanism that is introduced into the main packaging box and allows the shipment to be spaced apart from the bottom plate of the main packaging box.

According to another feature of the present invention, the spacing mechanism is made of corrugated cardboard,

support plate; first and second side wall forming plates installed around the support plate; by including leg forming plates installed on both sides of the first and second side wall forming plates in the left and right directions and having a length longer than the height of the first and second side wall forming plates;

The support plate may be spaced apart from the floor by the leg-forming plate.

According to another feature of the present invention, the first side wall forming plate is provided symmetrically on both sides of the support plate in the front-rear direction as being folded toward the upper surface of the support plate; the second side wall forming plate is provided symmetrically on both sides of the support plate in the left and right directions and is connected to the leg forming plate;

by being joined to the upper surface of the second side wall forming plate in a triangular shape at four corners of the first side wall forming plate;

When the first sidewall forming plate is spread to the left and right, the second sidewall forming plate may be erected depending on this to form a rectangular upper open space.

According to another feature of the present invention, the main packaging box,

The first, second, third, and fourth unit side plates are continuously connected in one direction and both ends are joined to each other to form a quadrangular cylinder; first, second, third, and fourth unit cover plates integrally connected to the upper end of the first, second, third, and fourth unit side plates; first, second, third, and fourth unit bottom plates integrally connected to the lower ends of the first, second, third, and fourth unit side plates; and a wing plate protruding from one side of the first unit side plate or the fourth unit side plate;

In the developed view, a first cutting groove is provided between each of the first, second, third, and fourth unit cover plates;

In the developed view, a second cutting groove is provided between each of the first, second, third, and fourth unit bottom plates;

a depth of the first cutting groove is shorter by 2 to 10 mm compared to the respective heights of the first, second, third, and fourth unit cover plates;

The depth of the second cutting groove is achieved by a packaging box, characterized in that it is shorter by 2 to 10 mm compared to the respective heights of the first, second, third, and fourth unit bottom plates.

According to the present invention, there is provided a packaging box for frozen food delivery in which the frozen food is spaced apart from the bottom of the main packaging box inside the main packaging box. According to this, even when the packaging box is left in front of the entrance of the house for a relatively long time, it is possible to significantly lower the speed or degree of transfer of the heat of the floor of the building to the frozen food. Accordingly, a packaging box for shipping frozen food with improved cooling function is provided.

In addition, when the packaging box is folded, the sealing force of each corner portion is improved, thereby providing a packaging box capable of enhancing the cooling function. According to the packaging box of the present invention, it is possible to obtain a cooling function sufficient to replace Styrofoam, thereby providing a corrugated cardboard packaging box for delivering frozen food that can reduce logistics costs.

In addition, other effects of the present invention will be embodied through the following description.

1 is a block diagram of a separated state of a corrugated cardboard packaging box for delivery of frozen food according to an embodiment of the present invention.
Figure 2 is a cross-sectional view of the incoming state of the corrugated cardboard packaging box for delivery of frozen food according to an embodiment of the present invention.
3 is an exploded view of the main packaging box of the corrugated cardboard packaging box for shipping frozen food according to an embodiment of the present invention.
4 to 5 are perspective views of the main packaging box of the corrugated cardboard packaging box for shipping frozen food according to an embodiment of the present invention.
Figure 6 is an exploded view of the separation means of the corrugated cardboard packaging box for delivery of frozen food according to an embodiment of the present invention.
7 is a perspective view of an unfolded state of the separation means of the corrugated cardboard packaging box for delivery of frozen food according to an embodiment of the present invention.
Figure 8 is a perspective view of the folding process of the spacer means of the corrugated cardboard packaging box for delivery of frozen food according to an embodiment of the present invention.
9 is a perspective view of a spacer means of a corrugated cardboard packaging box for shipping frozen food according to another embodiment of the present invention.
10 is an exploded view of the separation means of the corrugated cardboard packaging box for delivery of frozen food according to another embodiment of the present invention.
11 is a perspective view of an unfolded state of the spacer means of a corrugated cardboard packaging box for delivering frozen food according to another embodiment of the present invention.
12 to 13 are perspective views showing step by step the folding process of the separation means of the corrugated cardboard packaging box for delivery of frozen food according to another embodiment of the present invention.

Hereinafter, the specific content of the present invention will be described in detail with reference to the accompanying drawings.

First, a basic configuration will be described with reference to FIGS. 1 to 2 , and then a main packaging box will be described with reference to FIGS. 3 to 4 , and then the key points of the present invention will be described with reference to the remaining drawings.

The corrugated cardboard packaging box for delivery of frozen food according to the present invention (hereinafter, referred to as 'delivery packaging box') consists of a main packaging box 1 and a spacer mechanism 100 .

The main packaging box (1) is sealed in a folded state with a sealed container in the form of a hexahedron. The separation mechanism 100 is inserted into the main packaging box 1 so that the shipment P is spaced apart from the bottom plate of the main packaging box 1 by a predetermined interval (E). The main packaging box 1 and the separation mechanism 100 are made of corrugated cardboard. This interval (E) is not determined, and will be determined in consideration of various circumstances such as logistics efficiency. This distance E may be, for example, 10-40 mm, and may be adjusted according to the season.

Hereinafter, the main packaging box will be described first. The main packaging box is structurally designed to prevent the loss of cold air, so this will be explained first.

As shown in the development view of FIG. 3 , the base paper 1 ′ of the corrugated cardboard main packaging box includes a side plate 10 , a cover plate 20 , a bottom plate 30 and a wing plate 40 . The main packaging box 1 is generally made of a hexahedron as shown in FIGS. 4 to 5 . Therefore, the side plate 10 is composed of four unit side plates, and the cover plate 20 and the bottom plate 30 are also composed of four unit cover plates and four unit bottom plates. The wing plate 40 is a means for connecting the side plates to each other and has a narrow band shape, and the shape may be variously changed. The wing plate 40 is joined with a clip or an adhesive.

The first, second, third, and fourth unit side plates 11, 12, 13, and 14 are continuously connected in one direction, and both ends are joined to each other by the wing plate 40 to form a quadrangular cylinder.

The first, second, third, and fourth cover plates 21, 22, 23, and 24 are integrally connected to the upper ends of the first, second, third, and fourth unit side plates 11, 12, 13, and 14. The first, second, third, and fourth unit bottom plates are integrally connected to the lower ends of the first, second, third and fourth unit side plates 11, 12, 13, and 14. The wing plate 40 is formed to protrude from one side of the first unit side plate 11 or the fourth unit side plate 14 and has a band shape. As shown in FIG. 3 , the wing plate 40 is integrally connected to the fourth unit side plate 14 .

A first vertical fold line 53 is provided at the boundary of the first, second, third, and fourth unit side plates 11, 12, 13, and 14, and a first horizontal fold line is provided between the side plate 10 and the cover plate 20. A line 51 is provided, and a second horizontal fold line 52 is provided between the side plate 10 and the bottom plate 30 . A second vertical fold line 54 is also provided at the boundary between the side plate 10 and the wing plate 40 . This configuration is not much different from the general hexahedral main packaging box.

The base paper 1' of the spore box is entirely made of corrugated cardboard. Corrugated cardboard is a well-known material that has a corrugated core with a corrugated core in the middle and is a paper with surface paper and backing paper adhered on both sides. The thickness of the base paper 1' is not limited.

A first cutting groove 61 is provided between each of the first, second, third, and fourth unit cover plates 21 , 22 , 23 and 24 in the developed view of FIG. 3 . The first cutting groove 61 is provided in three places.

In addition, second cutting grooves 62 are provided between each of the first, second, third, and fourth unit bottom plates 31, 32, 33, and 34 in the developed view. The second cutting grooves 62 are also provided in three places.

The depth of the first cutting groove (D1) is shorter by 2 to 10 mm compared to the respective heights (H1) of the first, second, third, and fourth unit cover plates (21, 22, 23, 24), and the second cut The depth D2 of the groove 62 is shorter by 2 to 10 mm compared to the height H2 of the first, second, third, and fourth unit bottom plates 31, 32, 33, 34. The width of the first and second cutting grooves 61 and 62 is suitably 1.5 to 2.5 times the thickness of the base paper 1 .

According to this configuration, as shown in FIGS. 4 to 5 , a first excess portion 71 is formed at each boundary point between the first, second, third, and fourth unit cover plates 21 , 22 , 23 , 24 and the side plate. is provided, and a second surplus 72 is provided at each boundary point between the first, second, third, and fourth unit bottom plates 31 , 32 , 33 , 34 and the side plate 20 .

The first surplus part 71 is positioned above the first horizontal fold line 51 , and the second surplus part 72 is positioned below the second horizontal fold line 51 .

When the base paper 1' for packaging is folded as shown in FIG. 5, the first and second surplus parts 71 and 72 are located near each of the eight vertices of the main packaging box 1, and the vertex vicinity is certain. to be tightly sealed. That is, it prevents cold air from leaking through the vertex. In the process of folding the main packaging box (1), the first and second surplus parts (51, 52) are crushed in shape so that the gap can be more reliably closed.

Hereinafter, an embodiment of the spacing mechanism 100, which is the core of the present invention, will be described with reference to FIGS. 1,2, 6, 7, and 8 .

The spacing mechanism 100 includes the support plate 110, the first and second side wall forming plates 120 and 130 installed around the four sides of the support plate 110, and the first side wall forming plate 120 on both sides in the left and right directions. It includes a pair of leg forming plates 140 as installed. The length of the leg forming plate 140 is longer than the height of the first and second side wall forming plates. Accordingly, the support plate 110 is spaced apart from the floor by the leg forming plate 140 .

The separation mechanism 100 is made of corrugated cardboard and is provided together with the main packaging box 1 to the delivery company. The delivery company assembles the separation mechanism 100 when packing the product and inserts it into the main packaging box 1 . The delivery article (P) is placed on the support plate (110) of the spacing mechanism (100).

Therefore, the separation mechanism 100 may be supplied in a folded state as shown in FIG. 7 to reduce logistics costs. The user can immediately complete the spacing mechanism 100 in the method shown in FIG. 8 .

The spacing mechanism 100 according to an embodiment of the present invention includes first and second sidewall forming plates 120 and 130 and a leg forming plate 140 .

The first side wall forming plate 120 is provided symmetrically on both sides of the support plate 110 in the front-rear direction as being folded toward the upper surface of the support plate 110 . Both edges of the first sidewall forming plate 120 have portions 121 overlapping with (or forming a boundary with) both edges of the second sidewall forming plate 130 . This part is square. This part is provided at four corners of the support plate (110). A portion of the overlapping portion is adhered to the upper surface of the second side wall forming plate 130 with an adhesive. The part to be bonded (S) has a triangular shape and is indicated by hatching in the drawing. The bonded portion S serves as a means for interlocking the first and second side wall forming plates 120 and 130 with each other. A portion where the bonded portion S is bonded on the second side wall forming plate 130 is represented by a region Q of a dashed-dotted line.

The second side wall forming plate 130 is provided symmetrically on both sides of the support plate 110 in the left and right directions. The leg forming plate 140 is integrally connected to the second side wall forming plate 130 . A thickness welding line 141 for imparting thickness is provided on the leg forming plate 140 .

As shown in FIG. 8 , the leg forming plate 140 faces the outer surface of the second side wall forming plate 130 while being folded behind the second side wall forming plate 130 .

As shown in FIG. 8 , when the first sidewall forming plate 120 is spread to the left and right, the second sidewall forming plate 130 may stand upright depending on this to form a square upper open space. The first side wall forming plate 120 is provided with a handle groove 122 to induce the operator to easily unfold (or install a spacer mechanism).

The length L of the leg forming plate is longer than the height H of the first and second side wall forming plates 120 and 130 . As a result, the support plate 110 is in a state spaced apart from the bottom of the main packaging box 1 as shown in FIG. 2 .

Meanwhile, in the leg forming plate 140 , a pair of thickness maintenance lines 142 are cut and formed in a direction adjacent to the second side wall forming plate 130 at a right angle to the thickness welding line 141 . As shown in FIGS. 1 to 2 by this thickness maintaining line 142, the gap holder 143 bent in an L (L) shape can be made, so that the thickness welding line 141 does not collapse and the spacing mechanism ( 100) is positioned in the center of the main packaging box (1) so that it can be guided so that there is no shaking.

Hereinafter, another embodiment of the spacing mechanism 100', which is the core of the present invention, will be described with reference to FIGS. 9, 10, 11, 12 and 13.

In this embodiment, the strength is further reinforced, and the leg-forming plate is provided on the long side of the support plate 110 . On the short side of the support plate 110, a center retaining plate 150 for guiding the spacing mechanism 100 ′ to be located in the center of the main packaging box along with strength reinforcement is provided symmetrically. The center retaining plate 150 is folded inward so as to surround the second side wall forming plate and has a length that can reach the support plate 110 . At the end of the center retaining plate 150, the center retaining plate auxiliary wing 152 is formed to protrude in the form of a protrusion. A slit capable of inserting the center retaining plate auxiliary wing 152 may be provided at the lower end of the support plate 110 or the second side wall forming plate 130 .

For the remaining non-described reference numerals, reference may be made to the description of the previous embodiment.

The configuration shown and described above is only a preferred embodiment based on the technical idea of the present invention. Those skilled in the art will be able to make various changes based on common technical knowledge, but it should be noted that these may be included in the protection scope of the present invention. Various combinations of the embodiments disclosed above are possible, and all possible combinations are within the scope of the present invention.

1: Main packaging box 1': Paper
10: side plate 11,12,13,14: 1st, 2nd, 3rd, 4th unit side plate
20: cover plate 22,22,23,24: 1st, 2nd, 3rd, 4th unit cover plate
30: bottom plate 31,32,33,34: 1st, 2nd, 3rd, 4th unit bottom plate
51: first horizontal fold line 53: first vertical fold line
52: second horizontal fold line 54: second vertical fold line
61: first cutting groove 62: second cutting groove
71: first surplus 72: second surplus
100 (100'): separation mechanism 110: support plate
120, 130: first and second side wall forming plates 121: overlapping part
122: handle groove 140: leg forming plate
141: thickness welding line 142: thickness maintenance line
143: gap support 150: center plate
151: center retaining plate fold line 152: center retaining plate auxiliary wing
S : Adhesive part P : Delivery product

Claims (5)

The main packaging box (1) sealed in a folded state in a sealed container in the form of a hexahedron; and
The main packaging box (1) as being drawn into the interior of the delivery product is spaced apart from the bottom of the main packaging box (1) at a regular interval (E) spaced mechanism (100); including;
The spacing mechanism 100,
support plate 110; and first and second side wall forming plates 120 and 130 installed around the support plate 110 ; The leg forming plates 140 are installed on both sides of the first and second side wall forming plates 120 and 130 in the left and right directions, and the length L is longer than the height H of the first and second side wall forming plates 120 and 130 . by including;
the support plate 110 is spaced apart from the bottom of the main packaging box 1 by the leg forming plate 140;
The first side wall forming plate 120,
Folded toward the upper surface of the support plate 110 is provided symmetrically on both sides of the support plate 110 in the front-back direction;
the second side wall forming plate 130 is provided symmetrically on both sides of the support plate 110 in the left and right directions and is connected to the leg forming plate 140;
by being joined to the upper surface of the second side wall forming plate 130 in a triangular shape at four corners of the first side wall forming plate 120;
Corrugated cardboard packaging box for frozen food delivery, characterized in that when the first side wall forming plate 120 is spread left and right, the second side wall forming plate 130 is upright and forms a rectangular upper open space depending on this. .
delete delete The method of claim 1,
A thickness welding line 141 for imparting thickness is provided on the leg forming plate 140;
the leg forming plate 140 is folded behind the second side wall forming plate 130 to face the outer surface of the second side wall forming plate 130;
The leg forming plate 140 has an L-shape bent at a right angle to the thickness welding line 141 in a direction adjacent to the second side wall forming plate 130 in order to make a bent gap holder 143 . A corrugated cardboard packaging box for shipping frozen food, characterized in that a pair of thickness maintenance lines 142 are cut and formed.
According to claim 1, The main packaging box (1) is;
The first, second, third, and fourth unit side plates 11, 12, 13, and 14 are continuously connected in one direction and both ends are joined to each other to form a quadrangular cylinder; first, second, third, and fourth unit cover plates (21, 22, 23, 24) integrally connected to the upper end of the first, second, third, and fourth unit side plates (11, 12, 13, 14); first, second, third, and fourth unit bottom plates (31, 32, 33, 34) integrally connected to the lower ends of the first, second, third, and fourth unit side plates (11, 12, 13, 14); and a wing plate 40 protruding from one side of the first unit side plate 11 or the fourth unit side plate 14;
The base paper 1' of the packaging box is made of corrugated cardboard;
A first cutting groove 61 is provided between each of the first, second, third, and fourth unit cover plates 21, 22, 23, and 24 in the developed view;
A second cutting groove 62 is provided between each of the first, second, third, and fourth unit bottom plates 31, 32, 33, and 34 in the developed view;
The depth D1 of the first cutting groove 61 is shorter by 2 to 10 mm compared to the length H1 of the first, second, third, and fourth unit cover plates 21, 22, 23, 24, and ;
The depth D2 of the second cutting groove 62 is shorter by 2 to 10 mm compared to the length H2 of the first, second, third, and fourth unit bottom plates 31, 32, 33, 34. Corrugated cardboard packaging box for frozen food delivery, characterized in that.

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