JP3065459U - Chicken egg packaging container - Google Patents

Abstract

(57) [Problem] To provide a packaging container for chicken eggs which can be packaged while maintaining the freshness of shell eggs. SOLUTION: A container main body 2 having egg storage portions 4, 4... Formed adjacent to each other in a state where the eggs can be held independently, and a flange portion 5 formed in the container main body 2 are heated. The packaging container 1 is composed of a sheet-like lid 10 that can be fused and held in a substantially sealed state. The eggs E are accommodated in the respective egg accommodating portions 4, the lid 10 is brought into contact with the flange portion 5 provided on the outer peripheral edge of the container body 2, the inside is filled with carbon dioxide gas, and the container body 2 is heat-sealed. In order to obtain a package of eggs, which is closed in a substantially sealed state and maintains freshness by carbon dioxide, a support portion 7 is provided at a portion surrounded by four adjacent egg storage portions 4 of the container body 2. When the lid 10 is closed, the top surface 7a contacts or approaches the lower surface, so that the lid 10 is prevented from bending, and the packaging containers can be stacked.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 This invention relates to a packaging container for eggs that can be packaged while maintaining the freshness of shelled eggs.

[0002]

[Prior art]

 Using a thin synthetic resin sheet as a raw material, a container body with a plurality of recesses that hold approximately half of the egg by vacuum forming, blow molding, etc., and closing the other half of the egg by closing the container body A packaging container for eggs, which is composed of a lid and a lid that forms a holding space inside, has been widely used.

On the other hand, in order to maintain the freshness of chicken eggs mainly during the distribution process, for example, in Japanese Patent Application Laid-Open No. 6-105647, a packaging container is provided with a carbon dioxide generator, and carbon dioxide is released by water emanating from the chicken eggs. A method of storing shell eggs in a carbon dioxide atmosphere by filling the packaging container with carbon dioxide gas by the reaction of the generating agent, preventing the concentrated egg whites from becoming soluble in water, and preventing freshness from decreasing. Has been proposed.

[0004]

[Problems to be solved by the invention]

 The method for preventing a decrease in freshness of a chicken egg in a carbon dioxide gas atmosphere proposed in Japanese Patent Application Laid-Open No. 6-105647 has been confirmed to be effective as a technique for maintaining the freshness of a chicken egg. However, in the above-mentioned publication, there is no particular disclosure of a packaging container suitable for putting the shelled egg freshness prevention method into practical use, and the method proposed in the above-mentioned publication discloses the water emanating from chicken eggs. It is extremely complicated to prepare a carbon dioxide generating agent to be reacted with water and pack the carbon dioxide generating agent together with the eggs into individual packaging containers. There were problems to be solved in practical use, because this would lead to cost reduction or profit reduction of chicken eggs.

[0005] In view of such a situation, the present invention provides a chicken egg that can be easily and inexpensively maintained by keeping the chicken egg in a carbon dioxide gas atmosphere by directly filling the packaging container with carbon dioxide gas. It does not provide packaging containers.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the egg packaging container of the present invention is a packaging container in which carbon dioxide gas is sealed in a container main body containing the egg and the opening can be substantially sealed with a lid. A plurality of egg storage portions formed adjacent to each other in such a manner that the upper portions thereof are opened and the eggs individually stored therein can be held independently of each other by molding the synthetic resin sheet, and the opening portion of the egg storage portion extends horizontally. A container main body integrally formed with a flange portion having a substantially rectangular flat surface formed by the heat treatment, and an opening of the container main body being substantially sealed by being thermally fused to the flange portion of the container main body. The container body has a top surface abutting on the lower surface of the closed lid at a portion surrounded by four adjacent egg storage units, Or the support that comes close The is characterized in that the upwardly formed.

[0007]

[Embodiment of the invention]

 The egg packaging container of the present invention is composed of a container body and a lid, and one of the container bodies is opened at the top by molding a thin synthetic resin sheet, and the whole of the egg is accommodated inside. In addition to forming a plurality of egg storage sections that can be formed, the opening of each egg storage section is extended in the horizontal direction, and a flange having a rectangular flat surface is provided, and the other lid is formed in the container body. It is a sheet-like material that is heat-sealed to a flange of a predetermined width and closes the opening almost in a sealed state.

The synthetic resin used for the container body is preferably a polyethylene terephthalate resin (PET), a vinyl chloride resin (PVC), a polyethylene (PE), a polystyrene (PS), a polypropylene (PP), or the like. Transparent thermoplastic resin is used.

On the other hand, the lid may be made of the same kind of resin as described above, which has a heat-sealing property to the container body. It is preferable to appropriately select a sheet or film that is thinner than the body, and a hot melt resin film suitable for heat fusion can be used in combination, and a multilayer film formed by laminating the above resins can also be used. .

[0010] The egg storage section formed in the container body is formed of a relatively deep concave body for storing the whole of the egg, and is composed of two rows of five rows and five rows, and a total of ten rows and four rows. It can be freely set according to the purpose so that it can be accommodated as a total of eight pieces, three pieces in one row, six pieces in two rows, and four pieces in which two pieces are arranged.

[0011] The egg containing section formed in the container body is a unit of four adjacent eggs, and an upward supporting portion is formed in a region (central portion) surrounded by the four units. The height of the holding part is determined by forming the lid so that the top surface is in contact with or close to the lower surface of the lid when the lid is closed to the flange of the container body. On the top surface of the support portion, the downward bending of the lid is prevented, so that the eggs inside the container can be stacked without causing damage to the eggs inside.

A plurality of vertical ribs are provided on the inner peripheral wall of the egg container to support the stored eggs and prevent and protect the eggs from shaking. LL, L, M, S, etc.).

The lid, which closes the container body in a substantially sealed state, is heat-sealed to the entire periphery of the flange portion of the container body. However, a notch or notch is formed in a part of the flange portion. It is desirable that the lid thermally fused to the container body can be easily peeled off from the notch or notch in the container.

Since the lid is held flat by the flange and the support of the container when the container is closed, a bar code or the like is attached to the surface of the lid. However, by making it possible to print product descriptions and barcodes on this surface, there is no need to apply a barcode with a label, thereby increasing the value of the eggs as a packaging container. be able to.

[0015] In the egg packaging container of the present invention, when the egg is accommodated in the container body and closed by the lid, the egg egg is filled with carbon dioxide gas using a commercially available pack sealer with a gas filling device. Automatic and semi-automatic methods are used to minimize the renovation of the machine and to efficiently enclose carbon dioxide in the container.

[0016]

[Action]

 In the egg packaging container of the present invention, the eggs are accommodated in the egg accommodation section of the container body obtained by molding a thin synthetic resin sheet, and the lid is brought into contact with a flange provided on the periphery of the opening of the container body. By filling the inside with carbon dioxide gas and closing the container body with the lid by heat fusion, it is possible to easily obtain a hen egg filled with carbon dioxide gas and thereby make the concentrated egg white water-soluble. And a chicken egg whose freshness is maintained for a long time can be obtained.

The container body is composed of four adjacent egg storage units as a unit, and the top surface comes into contact with or approaches the lower surface of the lid by closing the lid at a portion surrounded by the egg storage units. The height of the supporting part is set, so that the lid is supported from below to prevent bending, which prevents damage to the eggs inside and allows other packaging containers containing eggs to be loaded. It is what becomes.

[0018]

【Example】

 Hereinafter, embodiments of the packaging container for eggs according to the present invention will be described more specifically with reference to the accompanying drawings. As shown in FIG. 1, the egg packaging container 1 of the present invention comprises a thin transparent container body 2 obtained by molding a PET resin for accommodating a chicken egg, and a sheet-like lid 10 also made of PET resin. ing.

As shown in FIG. 2, the container main body 2 is formed by forming a plurality of concave egg storage portions 4 that can store the whole eggs to be stored in the front and rear direction and the left and right direction. At the same time, the opening 3 of each egg container 4 is extended in the horizontal direction so that a plane located entirely on the same plane forms a rectangular flange portion 5. Are formed with a plurality of notches 6, 6,...

In this embodiment, a total of six eggs are dropped and accommodated in the container body 2 by forming relatively deep recesses arranged in two rows of three in one row. Are formed, and between the adjacent egg storage units 4, 4, 4..., Which do not reach the opening 3 of the egg storage unit 4, The partition walls 8, 8, 8,... Having a low height are provided.

At the same time, four adjacent egg storage units 4 are used as a unit, and the four egg storage units 4, 4, 4, 4 each have an upward supporting portion 7 in the center surrounded by the wall. , 7 are formed respectively, and the eggs 7 accommodated in the egg holder 4 are held by the support portions 7 and the partition walls 8 so as not to contact each other.

The support portion 7 has flat top surfaces 7a, 7a, and the height thereof is flush with or slightly lower than the flange 5 of the container body 2, and the flange portion 5 When the lid 10 is thermally fused to the container body 2 to seal the container body 2, the lower surface of the lid 10 is in contact with or close to the top surface 7a. It is configured so that it can be supported.

A plurality of vertical ribs 9, 9... Are provided on the inner wall surface of the egg container 4 of the container body 2, and the strength of the container body 2 is improved by these vertical ribs 9, 9,. This prevents the egg E in the egg container 4 from shaking, thereby protecting the egg E.

When forming these vertical ribs 9, it is preferable to match the size (LL, L, M, S, etc.) of the egg to be accommodated in the egg accommodation section 4.

The other lid 10 is made of a sheet having a size and shape corresponding to the flange 5 provided on the container main body 2. The lid 10 is heat-sealed to the flange 5 of the container main body 2 to form the container main body 2. When the chicken egg E inside is taken out, the lid 10 of the notch 6 formed in the flange portion 5 of the container body 2 can be easily opened by picking it with a finger and causing it. Can be.

The egg-packaging container 1 is accommodated in the egg-housing units 4, 4, 4. After the lid 10 is placed on the container 10, the container body 2 is closed by heat sealing the lid 10 using a pack sealer equipped with a gas filling device, and the container body 2 is closed easily and easily. Chicken eggs filled with carbon dioxide in a container can be obtained.

The egg in the packaging container thus obtained is filled with carbon dioxide gas, so that the egg husk comes into contact with the carbon dioxide gas filled with moisture radiated through the shell, thereby making the concentrated egg white water-soluble. This will keep the eggs fresh for a long time.

[0028]

[Effect of the invention]

 The chicken egg packaging container of the present invention accommodates the egg in the egg container of the container body obtained by molding a thin synthetic resin sheet, and the lid is brought into contact with a flange provided on the outer peripheral edge of the opening to form the egg. By heat fusing while filling carbon dioxide in the container, it is possible to easily and easily obtain a packaging container for eggs that are filled with carbon dioxide inside, and at the same time to make the concentrated egg white of the stored eggs soluble in water. And a chicken egg that maintains its freshness for a long time can be obtained.

In particular, the egg packaging container of the present invention has four egg storage units formed adjacent to the container body as a unit, and a lid closed at a portion surrounded by these egg storage units. At the same time, a support is provided on the lower surface of the lid so that the top surface abuts or approaches, so that the lid is supported from below to prevent bending, thereby preventing damage to the eggs inside. In addition, other packaging containers containing eggs can be loaded.

[0030] Furthermore, since the egg packaging container of the present invention can use a commercially available pack sealer with a gas filling device, it is possible to obtain a chicken egg package that maintains freshness easily and inexpensively. It also has great merit.

[Brief description of the drawings]

FIG. 1 is a side view of a packaging container for eggs according to an embodiment of the present invention.

FIG. 2 is a plan view of a container main body in the packaging container of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Packaging container of egg 2 Container main body 3 Opening 4 Chicken egg accommodation part 5 Flange part 6 Notch part 7 Support part 7a Top surface of a support part 8 Partition wall 9 Vertical rib 10 Lid E Chicken egg

Claims (4)

[Utility model registration claims] 1. A packaging container in which a carbon dioxide gas is sealed in a container main body containing a chicken egg and an opening of the container can be substantially sealed with a lid. A plurality of egg storage units formed adjacent to each other so that the eggs individually stored therein can be held independently of each other, and a flange formed by extending an opening of the egg storage unit horizontally and having a substantially rectangular shape are formed. It is composed of an integrally formed container body, and a sheet-like lid body that can substantially seal the opening of the container body by being thermally fused to the flange portion of the container body. And a support portion whose top surface is in contact with or close to the lower surface of the closed lid body is formed upward at a portion surrounded by four adjacent egg storage portions. Chicken egg packaging vessel. 2. The egg packaging container according to claim 1, wherein a vertical rib for protecting the accommodated eggs is formed in the egg container. 3. The chicken egg packaging container according to claim 1, wherein the container main body has a notch or notch formed in a part of its flange to facilitate peeling of the lid. 4. The packaging container for eggs according to claim 1, wherein the lid has a printable surface.