KR102600481B1 - Eco-friendly packing container - Google Patents

Abstract

The present invention relates to an eco-friendly packaging container that can be used without the use of an absorbent pad. The eco-friendly packaging container according to the present invention includes a body portion formed with a storage space for storing food therein, and a plurality of grooves that can accommodate moisture contained in the food may be provided on the bottom of the body portion.

Description

Eco-friendly packaging container {Eco-friendly packing container}

The present invention relates to an eco-friendly packaging container that can be used without the use of an absorbent pad. More specifically, the present invention relates to an eco-friendly packaging container that can be used without the use of an absorbent pad by providing a groove on the bottom of the container that can store moisture discharged from food. It's about.

In general, foods such as meat, fish, etc. are perishable foods, and when the cells are destroyed, moisture inside and outside the cells flows out, reducing the freshness of the food. This loss of freshness reduces the water retention capacity of the food and increases the amount of exudate, causing self-decomposition, bacterial growth, lipid oxidation, and discoloration of the food, thereby accelerating the decline in quality.

To solve this problem, a packaging container (1) equipped with an absorbent pad (10), as shown in FIG. 1, was developed. In other words, the food is packaged by placing an absorbent pad (10) between the packaging container (1) and the food, thereby absorbing the moisture contained in the food and maintaining the freshness of the food.

However, these absorbent pads are difficult to reuse once used, leading to problems of environmental pollution, and the unit price increases compared to food packaging using only containers, which is increasing the cost burden on sellers.

In addition, even if moisture contained in the food is removed using an absorbent pad, there is a problem that the lower portion of the food rots faster than the upper portion because the moisture absorbed by the absorbent pad is in direct contact with the lower portion of the food.

Public Utility Model Publication 20-2012-0005606 (published on 2012.08.06)

The object of the present invention is to provide an eco-friendly packaging container that can be used without the use of an absorbent pad by providing a groove on the bottom of the container that can store moisture discharged from food.

In addition, the aim is to provide an eco-friendly packaging container that can improve the storage period of food by providing antibacterial and anti-fungal ingredients when manufacturing the container.

An eco-friendly packaging container according to the present invention for achieving the above problem includes a body portion formed with a storage space for storing food therein, and a plurality of layers on the bottom of the body portion capable of accommodating moisture contained in the food. A home section may be provided.

Additionally, the body part may be manufactured by injection molding a transparent or translucent resin material.

Additionally, the edge of the bottom surface protrudes outward to form a step, and the step may provide a circular groove at the inner edge of the bottom surface.

Additionally, the groove portion is provided in a “Y” shape, and the groove portion located in odd-numbered rows and the groove portion located in even-numbered rows may be arranged in opposite directions.

Additionally, both sides of the groove may be provided in a tapered shape with a width narrowing from the bottom to the top.

Additionally, the body portion may contain antibacterial and antifungal ingredients.

Additionally, the antibacterial and antifungal ingredients may include surface-modified zinc oxide nanoparticles, surface-modified zeolite, surface-modified fired shell powder, and anti-fogging agents.

Additionally, the surface-modified zinc oxide nanoparticles, surface-modified zeolite, and surface-modified fired shell powder can be surface-modified using silicone oil.

In addition, the anti-fog agent may be provided as one or two or more selected from the group consisting of sorbitan fatty acid ester, glycerin fatty acid ester, and polyglycerin fatty acid ester.

According to the present invention, since a plurality of grooves for storing moisture discharged from food are provided on the bottom of the container, there is an advantage in that moisture discharged from food can be removed without using an absorbent pad. In other words, when food is stored in a packaging container, the moisture released from the food is stored in the groove, making it possible to use it without an absorbent pad.

In addition, as it becomes possible to remove absorbent pads that are difficult to reuse, the cost incurred when packaging food can be reduced, and packaging containers can be manufactured in a more environmentally friendly manner by reducing the waste of resources.

Additionally, since the moisture discharged from the food is stored in the groove and does not come into direct contact with the food, spoilage of the food due to the discharged moisture can be minimized.

In addition, both sides of the groove are provided in a tapered shape where the width narrows from the bottom to the top, so that moisture stored in the groove can be prevented from splashing toward the food when an impact is applied to the packaging container after the food is completely packaged.

In addition, there is an advantage in that the storage period of food can be improved as the packaging container is manufactured including antibacterial and anti-fungal ingredients.

Figure 1 is a perspective view of a packaging container equipped with an absorption pad according to the prior art.
Figure 2 is a perspective view of an eco-friendly packaging container according to an embodiment of the present invention.
Figure 3 is a plan view of the eco-friendly packaging container shown in Figure 2.
Figure 4 is a cross-sectional view of the eco-friendly packaging container shown in Figure 2.
Figure 5 is a diagram showing the use state of the eco-friendly packaging container shown in Figure 2.
Figure 6 is a cross-sectional view of an eco-friendly packaging container according to another embodiment of the present invention.

Hereinafter, with reference to the attached drawings, an eco-friendly packaging container according to a preferred embodiment will be described in detail as follows. Here, the same symbols are used for the same components, and repetitive descriptions and detailed descriptions of known functions and configurations that may unnecessarily obscure the gist of the invention are omitted. Embodiments of the invention are provided to more completely explain the invention to those skilled in the art. Accordingly, the shapes and sizes of elements in the drawings may be exaggerated for clearer explanation.

Figure 2 is a perspective view of an eco-friendly packaging container according to an embodiment of the present invention, Figure 3 is a plan view of the eco-friendly packaging container shown in Figure 2, Figure 4 is a cross-sectional view of the eco-friendly packaging container shown in Figure 2, and Figure 5 is a diagram showing the use state of the eco-friendly packaging container shown in FIG. 2.

Referring to FIGS. 2 to 5 , the eco-friendly packaging container 100 may include a body portion 110 in which a storage space S capable of storing food is formed. Although not shown, the storage space (S) of the body portion 110 may be sealed by a separately provided cover portion. This cover portion may be injection molded and detachably provided to the body portion 110, or may be provided in a film form and heat-sealed to the top of the body portion 110.

The bottom surface 111 of the body portion 110 may be provided with a plurality of groove portions 112 that can accommodate moisture contained in the food (F). In this way, as a plurality of grooves 112 are provided on the bottom surface 111 of the body portion 110, when food F containing moisture such as meat or fish is stored in the storage space S It can be stored in the groove 112 without being trapped in the body 110. Accordingly, without providing a separate absorbent pad between the bottom surface 111 of the body 110 and the food F, the moisture discharged to the surface of the food F is sufficiently removed by storing it in the groove 112. Since the removed moisture does not directly contact the food (F), spoilage of the food (F) due to the removed moisture can be minimized.

For example, the groove portion 112 formed in the body portion 110 may be provided in a “Y” shape, and the groove portion 112 located in the odd-numbered row and the groove portion 112 located in the even-numbered row are directed in opposite directions. It can be placed as . As shown in FIG. 2, when the “Y” shaped structures are arranged in opposite directions, there are more overlapping parts compared to circular or other shapes, forming a groove 112 with a larger area per unit area. You can do it.

The edge of the bottom surface 111 protrudes outward to form a step 113, and the step 113 may provide a circular groove portion 113a at the inner edge of the bottom surface 111. As the step 113 is formed at the edge of the bottom surface 111 in this way, it is possible to prevent the bottom surface 111 from being contaminated when the packaging container 100 is stored in a refrigerator or storage room, etc. In addition, since a circular groove 113a is provided at the inner edge of the bottom surface 111 by the step 113, more moisture discharged from the food F can be stored through the circular groove 113a. Here, the circular groove 113a may be formed deeper than the depth of the deep groove 112.

The body portion 110 may be manufactured by injection molding a recyclable transparent or translucent resin material. For example, the body portion 110 may be injection molded using polyolefin resin, and may further include ethylene-propylene-diene (EPDM) rubber to improve impact resistance.

Specifically, the polyolefin resin may be any one or two or more selected from the group consisting of propylene homopolymer, ethylene-propylene copolymer, and ethylene-propylene-hexene terpolymer, and preferably ethylene-propylene copolymer. The ethylene-propylene copolymer may be obtained by randomly polymerizing the main component propylene monomer and some ethylene monomers, for example, 1 to 10% by weight of ethylene monomer and the remaining amount of propylene monomer. In this range, impact resistance and heat resistance can be excellent. As a more specific example, the ethylene-propylene copolymer may have a weight average molecular weight of 80,000 to 500,000 g/mol, more preferably 100,000 to 300,000 g/mol, and a melt index (MI, D1238 standard) of 10 to 30 g. /10min and density (based on D1505) of 0.90 to 0.95 g/cm3 are recommended to ensure excellent impact resistance and processability.

The ethylene-propylene-diene (EPDM) rubber may be ethylene-propylene-ethylidenenorbornene rubber. By adding this, the target impact resistance properties can be achieved. As a more specific example, the ethylene-propylene-ethylidenenorbornene rubber may include 60 to 80% by weight of ethylene monomer, 15 to 30% by weight of propylene monomer, and 3 to 10% by weight of ethylidenenorbornene. When added to the polyolefin resin in an appropriate amount, an impact strength of 200 J/m or more can be achieved.

EPDM rubber may be added in an amount of 1 to 10 parts by weight, more preferably 3 to 5 parts by weight, based on 100 parts by weight of the polyolefin resin. This is because the impact resistance improvement effect is excellent in the above range. On the other hand, when EPDM rubber is added in less than 1 part by weight, the effect of improving impact resistance may not be sufficient, and if it is added in more than 10 parts by weight, heat resistance may be reduced.

The body portion 110 may contain antibacterial and antifungal ingredients. For example, antibacterial and antifungal ingredients may include surface-modified zinc oxide nanoparticles, surface-modified zeolite, surface-modified fired shell powder, and anti-fogging agents. That is, surface-modified zinc oxide nanoparticles, surface-modified zeolite, surface-modified fired shell powder, and anti-fogging agents are intended to impart antibacterial and anti-fungal properties to sanitary sealed containers. By using them in combination, anti-bacterial properties and anti-mold are achieved. All characteristics can be secured.

Surface-modified zinc oxide nanoparticles, surface-modified zeolite, and surface-modified fired shell powder can be surface-modified using silicone oil. Through this, agglomeration between particles is prevented, and excellent antibacterial and anti-fungal properties can be secured even by adding a small amount of the above ingredients, while also being well mixed with polyolefin resin and EPDM rubber.

Anti-fog agent is used to prevent water droplets from forming by forming a thin anti-fog film on the surface of an airtight container. By adding it, it improves the humid environment where mold can easily grow and maintains the freshness of the contents for a longer period of time. For example, the anti-fogging agent may be provided as one or two or more selected from the group consisting of sorbitan fatty acid ester, glycerin fatty acid ester, and polyglycerin fatty acid ester.

The anti-fog agent may be included in an amount of 0.1 to 10 parts by weight, more preferably 0.5 to 5 parts by weight, based on 100 parts by weight of the polyolefin resin. In this range, the anti-fog effect can be excellent. In addition, the body portion 110 may further include additives such as colorants, heat stabilizers, antioxidants, and ultraviolet absorbers.

Figure 6 is a cross-sectional view of an eco-friendly packaging container according to another embodiment of the present invention. In this embodiment, the description will focus on differences from the previously described embodiment.

Referring to FIG. 6, the eco-friendly packaging container 200 may be provided in a tapered shape where both sides of the groove portion 112 narrow from the bottom to the top. Accordingly, even if an impact is applied to the packaging container 200 after the packaging of the food F is completed, the moisture stored in the groove 112 can be prevented from splashing toward the food F.

As described above, the eco-friendly packaging container 100 is provided with a plurality of grooves 112 on the bottom surface 111 for storing moisture discharged from the food (F), so that the food (F) can be stored without using an absorbent pad. ) has the advantage of being able to remove moisture discharged from the. That is, when food F is stored in the packaging container 100, the moisture discharged from the food F is stored in the groove 112 and can be used without an absorbent pad.

In addition, as the absorbent pad, which is difficult to reuse, can be removed, the cost incurred when packaging food (F) can be reduced, and the packaging container 100 can be manufactured in a more environmentally friendly manner by reducing waste of resources.

In addition, since the moisture discharged from the food (F) is stored in the groove portion 112 and does not come into direct contact with the food (F), spoilage of the food (F) due to the discharged moisture can be minimized.

In addition, both sides of the groove 112 are provided in a tapered shape with a width narrowing from the bottom to the top, so that when an impact is applied to the packaging container 200 after the packaging of the food F is completed, the moisture stored in the groove 112 is removed. This can prevent food from splashing toward the side (F).

In addition, since the packaging container 100 is manufactured including antibacterial and anti-fungal ingredients, there is an advantage in that the storage period of the food (F) can be improved.

The present invention has been described with reference to an embodiment shown in the attached drawings, but this is merely illustrative, and those skilled in the art will understand that various modifications and other equivalent embodiments are possible therefrom. You will be able to. Accordingly, the true scope of protection of the present invention should be determined only by the appended claims.

110: body part
111: bottom surface
112: Home Department
113: Danteok
113a: circular groove

Claims (9)

A storage space for storing food is formed inside, and a body portion containing antibacterial and anti-fungal ingredients formed by mixing surface-modified zinc oxide nanoparticles, surface-modified zeolite, surface-modified fired shell powder, and anti-fog agent; and
The bottom surface of the body portion includes a plurality of grooves capable of receiving moisture contained in the food,
The edge of the bottom surface protrudes outward to form a step, and the step forms a circular groove at the inner edge of the bottom surface, and the depth of the circular groove is deeper than the groove,
An eco-friendly packaging container, characterized in that the surface-modified zinc oxide nanoparticles, surface-modified zeolite, and surface-modified fired shell powder are surface-modified using silicone oil.
According to paragraph 1,
The body part is an eco-friendly packaging container manufactured by injection molding a transparent or translucent resin material.
delete According to paragraph 1,
The groove portion is provided in a “Y” shape,
An eco-friendly packaging container in which the grooves located in odd-numbered rows and the grooves located in even-numbered rows are arranged in opposite directions.
According to paragraph 1,
An eco-friendly packaging container in which both sides of the groove have a tapered shape that narrows from the bottom to the top.
delete delete delete According to paragraph 1,
The anti-fog agent is an eco-friendly packaging container provided as one or more than one selected from the group consisting of sorbitan fatty acid ester, glycerin fatty acid ester, and polyglycerin fatty acid ester.