JP3782266B2 - Packaging container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a packaging container for packaging an article, and more particularly to a reusable packaging container.
[0002]
[Prior art]
As shown in FIG. 10, the conventional packaging container 21 uses corrugated cardboard, assembles corrugated cardboard to form a box, and puts a product 23 put in a plastic bag 22 into it, and if necessary, the bottom of the product, The cushioning material 24 was disposed on the side or upper part, and the box was sealed with an adhesive tape.
[0003]
[Problems to be solved by the invention]
In recent years, product making in consideration of resource saving and environmental friendliness has been advocated, and recycling packaging containers that can reuse packaging materials and packaging materials with little waste are desired.
However, once the cardboard packaging container 21 is used, it is difficult to reuse it due to dirt or tearing, and if it is to be reused, the cardboard itself is regenerated, and a box is made from the regenerated cardboard, The recycling efficiency was very poor.
For packaging, there are an operation of assembling cardboard in advance, an operation of putting the product 23 in the plastic bag 22, and an operation of putting the product 23 in the plastic bag 22 in a cardboard box as the packaging container 21 and sealing it. The packaging took time and the number of parts was also large.
Further, since corrugated cardboard is not water resistant, it must avoid rainwater and the like, and dust and dust cannot be prevented from entering.
[0004]
Therefore, in view of such problems, it is an object of the present invention to provide a reusable packaging container having a small number of parts, a short assembly time, and excellent waterproof and dustproof properties.
[0005]
[Means for solving the problems]
In order to solve the above-mentioned problems, the invention of claim 1 is characterized in that the inside of the substantially rectangular frame body that holds the outer shape of the container is covered twice with a deformable outer skin and inner skin, and a gas is interposed between the outer skin and the inner skin. the filled to form a protective layer to absorb the impact, in Rukoto superposition of two frame in the form of endothelial each other face, that forms a housing space capable articles between both protective layer Features.
[0006]
According to a second aspect of the present invention, in the first aspect of the present invention, one side of the frame to be overlapped is connected to each other, and a zipper is provided around the other three sides.
[0007]
The invention of claim 3 is characterized in that, in the invention of claim 1 or 2, the outer skin and the inner skin are formed of a plastic film.
[0008]
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, an injection hole for filling the protective layer with a gas or discharging the gas of the protective layer is provided in the outer skin.
[0009]
The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein at least one handle member extending between opposing sides is provided on one frame.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings. 1 and 2 are external views of a packaging container according to the present invention. FIG. 1 is in a usable state, (a) is in a developed state, (b) is in a packaged state, and FIG. In use, (a) shows an expanded state, and (b) shows a closed state. Reference numeral 10 denotes a home distribution board as an example of the article.
[0011]
As shown in the figure, the packaging container is divided into upper and lower parts, and is formed by an approximately symmetrical upper container 1 and lower container 2, and 3 is a frame that holds the outer shape of the container and makes it easy to seal the container. . 4 is an outer skin and 5 is an inner skin, both of which are bonded and sealed to the frame 3 by heat welding or the like. A protective layer 6 (shown in FIG. 3) is formed between the outer skin 4 and the inner skin 5 to hold the enclosed gas and absorb the impact. In addition to forming 2a, the inner skin 5 forms a recess, and forms a space in which the home distribution board 10 can be stored when the upper container 1 and the lower container 2 are overlapped.
[0012]
It is convenient to form the frame 3 with a hard plastic that is difficult to deform because it is easy to seal the packaging container, but it may be formed with a deformable soft plastic. In the case of soft plastic, when returning or storing the container, it can be folded and further reduced to facilitate handling. The outer skin 4 and the inner skin 5 are preferably formed of a film-like soft plastic that can be freely deformed. In particular, in consideration of strength and recyclability, it is preferable to use PET resin.
And both sides of the upper and lower frame bodies 3 are connected to each other, and can be opened and closed with the one side as a fulcrum, and a zipper 7 is provided around the other three sides. Reference numeral 8 denotes a protrusion formed on the inner skin to press and fix the article.
[0013]
FIG. 3 shows a cross-sectional view of the vicinity of the gas injection hole 11 of the packaging container. The gas injection hole 11 is formed in both the upper container 1 and the lower container 2 and is provided in the side surface forming portion of the outer skin 4 as shown in the figure. The structure with a known check valve is adopted. The gas injection hole 11 may have a simple structure in which heat sealing is performed after gas injection as shown in FIG. 6 (a), or a screw-type lid after gas injection as shown in FIG. 6 (b). It is good also as a structure sealed with the body 12. FIG. However, in the case of heat sealing, once the gas is injected, the gas cannot be discharged when returning.
[0014]
The procedure for using the packaging container will be described. First, the packaging container is developed, and a gas such as air is injected into the upper container 1 and the lower container 2 to form the protective layer 6 to complete the packaging container. Then, the article is directly placed in the concave portion in which the lower container 2 is formed, and the upper container 1 is covered so as to wrap the article and sealed with the zipper 7. Note that the gas may be injected after the arrangement of the articles.
To remove the article, it is only necessary to open the zipper 7. When returning the article, the internal gas is discharged from the gas injection hole 11 to make the whole thin.
[0015]
In this way, the article is reliably protected by the protective layer injected with gas, and the frame body is overlapped and sealed with a zipper, so that it can be protected from impacts such as dropping, and has excellent airtightness and dustproofness, There is no need for plastic bags or cushioning materials when packaging. Therefore, there is no troublesome work of peeling off the sealing tape or removing the cushioning material when opening and taking out, reducing the number of parts required for packaging, reducing costs, and reducing packaging and opening time. It can be shortened. Further, since the assembly of the packaging container is only an operation for filling the protective layer with gas, it does not require a lot of manpower or space.
Furthermore, because it is made of plastic, it is excellent in water resistance and waterproofness.
[0016]
In addition, after opening, the container can be made thin and compact by removing the gas, so it can be recycled at a low cost without requiring a large space for transportation and storage. It also has an excellent effect on the properties. If the frame can be deformed, it can be folded into an envelope size, can be returned by mail, and transportation costs can be greatly reduced.
Furthermore, the outer skin and the inner skin can be formed transparently, so that the article can be confirmed without opening the container, and the location of responsibility when a problem occurs can be easily understood.
[0017]
FIG. 4 shows another embodiment of the present invention, in which the upper container 1 and the lower container 2 are completely separated. In the case of such a separated configuration, both connection and sealing operations can be performed by a connection member as shown in FIG. As shown in FIG. 5 (a), the end of the frame body 3 may be formed thick and connected by a clip 14, or as shown in FIG. 15 may be formed and inserted through the lock button concave member 16b through the lock button convex member 16a. If the frame is made of hard plastic, it is difficult to be deformed, and even if it is partially connected, it can be sealed without generating a gap.
In this way, by not connecting the two containers, even if one of the containers is damaged, it can be reused by replacing only the damaged one. Moreover, you may connect and seal with another connection member, without using a zipper, and you may just connect and seal both frame bodies with an adhesive tape.
[0018]
7 and 8 show another embodiment of the present invention. In FIG. 7, the upper container 1 is divided into left and right parts, and the opposing sides of both the upper containers 1a and 1b are connected to the lower container 2 so as to open the door. In FIG. 8, the packaging container is divided into two parts on the left and right instead of the upper and lower sides.
As described above, if the article is formed so as to be opened, the opening and closing operation and the sealing operation can be easily performed when the article is relatively large. In the case of packaging an elongated article or the like, as shown in FIG. The form of division is easy to handle and the structure is excellent. Moreover, when returning, it can be made compact enough.
[0019]
FIG. 9 shows a form in which a handle 18 is provided, and the handle 18 is provided to facilitate handling. In this case, if the handle 18 is detachably provided, it does not disturb the return, but it may be formed of soft plastic having flexibility. Further, the connecting portion between the handle 18 and the frame 3 may be a sealing means for the upper and lower containers.
In addition, although all the said embodiment described the packaging container of the distribution board, it can fully utilize with respect to another product and articles | goods.
[0020]
【The invention's effect】
As described above in detail, according to the invention of claim 1, to protect reliably article by the protective layer infused with a gas, because it is easy to seal the container by frame, to do not need cushioning material bag poly separately It can be dustproof without using it. Further, the number of parts required for packaging can be reduced, the cost can be reduced, and the packaging time can be shortened. In addition, since the assembly of the container is only an operation for filling the protective layer with gas, it does not require much manpower or space.
[0021]
According to the invention of claim 2, in addition to the effect of the invention of claim 1, it is excellent in dustproofness, and the sealing / opening operation is merely the operation of the zipper, so that the sealing / opening can be easily performed. .
According to the invention of claim 3, in addition to the effect of the invention of claim 1 or 2, it can be water resistant, and if a transparent film is used, the article can be confirmed without opening the container. In case of trouble, the location of responsibility is easy to understand.
[0022]
According to the invention of claim 4, in addition to the effect of the invention of any one of claims 1 to 3, after use, the container can be made thin and compact by removing gas, so that a large space is not required for transportation and storage. It can be returned at a low cost and has high recycling efficiency.
Also, by recycling, there is no waste and it is environmentally friendly.
According to the invention of claim 5, in addition to the effect of the invention of any one of claims 1 to 4, the packaging container can be easily handled.
[Brief description of the drawings]
FIG. 1 is an external view of a packaging container showing an example of an embodiment of the present invention, where (a) shows a developed state and (b) shows a product packaging state.
FIGS. 2A and 2B are external views of a state in which the gas inside the container of FIG. 1 has been removed, in which FIG. 2A shows a developed state and FIG. 2B shows a folded state;
3 is a cross-sectional view of the main part of the packaging container showing the gas injection hole of FIG. 1. FIG.
FIG. 4 is an explanatory cross-sectional view showing another embodiment of the present invention.
5A and 5B show the sealing form of the container of FIG. 4, wherein FIG. 5A shows a case where a clip is used, and FIG. 5B shows a case where a lock button is used.
FIG. 6 is an explanatory cross-sectional view of a main part showing another form of the gas injection part.
FIG. 7 is an explanatory cross-sectional view showing another embodiment of the present invention, in which the upper container is a double door.
FIG. 8 shows another embodiment of the present invention, and is a cross-sectional explanatory view when the container is divided into left and right parts.
FIG. 9 is a cross-sectional explanatory view showing another embodiment of the present invention and provided with a handle.
FIG. 10 is a perspective explanatory view showing a conventional packaging container.
[Explanation of symbols]
1 ·· Upper container 2 ·· Lower vessel 3 ·· Frame 4 ·· Outer skin 5 ·· Endothelium 6 ·· Protective layer 7 ·· Zipper 8 ·· Projection 11 ·· Inject gas Hole, 12 ... lid, 14 ... clip, 16 ... lock button, 18 ... handle.

Claims (5)

The inside of the substantially rectangular frame that holds the outer shape of the container is covered twice with a deformable outer skin and inner skin, and a protective layer that absorbs impact by filling gas between the outer skin and the inner skin is formed. in Rukoto superimposed two frame in the form of endothelial each other face, packaging container, characterized in that the formation of the receiving space capable articles between both protective layers. The packaging container according to claim 1, wherein one side of the frame to be overlapped is connected to each other, and a zipper is provided around the other three sides. The packaging container according to claim 1 or 2, wherein the outer skin and the inner skin are formed of a plastic film. The packaging container according to any one of claims 1 to 3, wherein an injection hole for filling the protective layer with gas or releasing the gas of the protective layer is provided in the outer skin. The packaging container according to any one of claims 1 to 4, wherein at least one handle member extending between opposing sides is provided on one frame.

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