JP5601031B2 - Packaging container - Google Patents

Description

  The present invention relates to a packaging container.

Conventionally, packaging containers such as cardboard and cardboard have been used to protect commodities and facilitate transportation. In addition, packaging containers are also used to store products displayed at stores in a convenient manner for customers to take home.

  Such a packaging container for storing products at a store is convenient if the lid is easily closed on the spot. For example, it is particularly suitable for sales of food such as shoes and confectionery, horticultural products, medicines and cosmetics.

  As such packaging containers, there are those shown in FIGS. FIG. 8 is an exploded view of an example of a conventional packaging container. FIG. 9 is a perspective view of a state in which the bottom of an example of a conventional packaging container is assembled. FIG. 10 is an explanatory diagram of a state in which the bottom of an example of a conventional packaging container is assembled and the side wall side flaps are folded down. FIG. 11 is an explanatory view of a state in which the side wall side flap of an example of a conventional packaging container is folded down and the end wall side flap is bent downward.

That is, it has side walls 1, 2 and end walls 3, 4 and an upper lid 6 and is formed by bending a flexible sheet material. The upper lid 6 overlaps with each other and closes the side wall side flaps 7, 8; The end wall side flaps 9 and 10 are integrated with the side wall side flaps 7 and 8, and the end wall side flaps 9 and 10 are bent downward so as to be pressed against the end walls 3 and 4. A central fold 11, extending from the upper end of the end wall side flaps 9, 10 to the longitudinal direction downward of the end walls 3, 4. 12 is formed, so that the end walls 3 and 4 can be bent inward to form a recess, and when the wings 25 and 26 are bent downward in the direction of the end wall 3 and 4 beyond the horizontal line. The end walls 3 and 4 are bent inward and the side walls 1 and 2 are close to each other. The side flaps 7, 8 are held closed and overlapped in the upper part of the container by the wings 25, 26 pressed downward against the end walls 3, 4 bent inwardly. There was a container for use. (Patent Document 1)
Known documents are shown below.

Japanese Patent No. 3101324

  The above packaging container can close the top lid easily and quickly, but with a slight momentum, the wings may rise upward, and the side wall side flaps at the top of the container may open. .

  An object of the present invention is to provide a packaging container capable of protecting a stored product without being inadvertently opened by simply and quickly closing a lid.

The present invention has been made in view of such problems, and the invention of claim 1 is a packaging container formed by bending a sheet material and having a side wall, an end wall, and an upper lid,
The upper lid has side wall side flaps that overlap each other to close the packaging container, and end wall side flaps that are integral with the side wall side flaps,
The end wall side flap forms a triangular wing that can be bent downward so as to be positioned in a state of being pressed against the end wall;
And, the wing portion is provided with a cutout portion on the surface that becomes the inner side when bent downward,
The end wall is formed with a central crease extending from the upper end of the end wall side flap to the lower side of the end wall, whereby the end wall can be bent inwardly,
When the wing part is bent downward in the direction of the end wall beyond the horizontal line, the end wall can be bent inward and the side walls can be brought close to each other;
By the wings being pressed downward with respect to the end wall that is bent inward, the side wall flap, at the top of the packaging container, a packaging container is held in a closed and overlapped state ,
The cutout portion has one apex at the left and right center of the upper end of the end wall side flap, an angle formed by two sides sandwiching the apex is a right angle, and a boundary between the end wall side flap and the end wall is a bottom side A right-angled isosceles triangle having a shape of a deformed quadrangle having two sides parallel to the two sides forming a right angle across the vertex and separated by substantially the same length, and two sides having an inner angle exceeding 180 °. And a packaging container.

  The packaging container of the present invention has the above-described configuration, and can easily and quickly close the upper lid. And since the wing part is provided with a cutout part on the inner surface when bent downward, the wing part will not rise up with a slight bounce, and the upper part of the container will be inadvertently The side flaps are not opened, and the stored product can be stored and protected with peace of mind.

  In the invention of claim 2 of the present invention, a triangular crease is preliminarily attached to the end wall side flap, and the triangular wing portion is easily formed when the side wall side flap is bent together. The packaging container according to claim 1.

  Further, according to the present invention, since the triangular crease is preliminarily attached to the end wall side flap, the end wall side flap easily forms a triangular wing when the side wall side flap is folded together.

  In the invention of claim 3 of the present invention, two ends of the lower end of the end wall of the packaging container that extend upward from both corners of the lower end and intersect at a certain point on the central crease. 3. The packaging container according to claim 1, wherein a ruled line is provided.

  The present invention is also provided with two ruled lines extending at the lower end of the end wall from both corners of the lower end and intersecting at a certain point on the central fold ruled line, so that the wing part has a horizontal line. When the end wall is bent downward in the end wall direction, the end wall is easily bent inward.

According to the invention of claim 4 of the present invention, a notch is formed from an edge between the side wall side flap that is above when overlapped and the end wall side flap adjacent thereto.
Thereby, when the wing portion is bent downward, the end wall is bent inward and the side walls move in a direction approaching each other, so that the upper side wall side flap becomes the lower side wall side. The packaging container according to any one of claims 1 to 3, wherein the packaging container easily overlaps with a flap.

  Furthermore, in the present invention, since the notch is formed from the end edge between the side wall-side flap that is upper when they are overlapped with each other and the end wall-side flap adjacent thereto, the wing portion is bent downward. At the time, the end wall is bent inward and the side walls move toward each other, so that the upper side wall flap easily overlaps the lower side wall flap.

The packaging container according to the present invention has the above-described configuration, and can easily and quickly close the upper lid, and the wings do not rise upwards with a slight bounce. The flaps are opened and the stored goods can be protected without being inadvertently opened.

  Furthermore, the packaging container of the present invention is assembled from a single sheet material, has a simple structure, is easy to assemble, can be folded and stored and transported, is environmentally friendly, and is excellent in cost.

It is an expanded view of an example of the packaging container of this invention. It is a front view of the state which assembled the bottom of an example of the packaging container of this invention. It is a side view of the state which assembled the bottom of an example of the packaging container of this invention. It is a front view of the state which assembled the bottom of an example of the packaging container of this invention, and fell the side wall side flap. It is a top view of the state which assembled the bottom of an example of the packaging container of this invention, and fell the side wall side flap. It is a front view of the state where the side wall side flap of an example of the packaging container of the present invention was knocked down and the end wall side flap was bent downward. It is a top view of the state which fell the side wall side flap of an example of the packaging container of this invention, and bent the end wall side flap below. It is an expanded view of an example of the conventional packaging container. It is a perspective view of the state which assembled the bottom of an example of the conventional packaging container. It is explanatory drawing of the state which assembled the bottom of an example of the conventional packaging container, and fell the side wall side flap. It is explanatory drawing of the state which fell down the side wall side flap of an example of the conventional packaging container, and bent the end wall side flap below.

Hereinafter, modes for carrying out the present invention will be described.
The packaging container of this example is made by punching a paperboard, cardboard, cardboard, or plastic sheet as a sheet material into the shape shown in the development view of FIG. 1, folding a blank provided with a crease, and bonding the necessary portions. To form.

  The crease may be a ruled line, a broken line or a perforated line, or a combination of a ruled line and a broken line or a perforated line. The cut line may be a half cut (a line cut to the middle of the sheet material layer) or a complete cut (a line in which the entire sheet material layer is cut).

  FIG. 1 is a developed view of an example of the packaging container of the present invention. As shown in the developed view of FIG. 1, the packaging container of this example is provided with two side walls 1 and 2 and two end walls 3 and 4 arranged alternately, and an adhesive margin 5 is provided at one end thereof. It has been. Above these, side wall side flaps 7, 8 and end wall side flaps 9, 10 which are the upper lid 6 are integrally provided.

  The end wall side flaps 9 and 10 have one vertex at the left and right center of the upper end, a right angle isosceles triangle with the angle between the two sides sandwiching this vertex being a right angle, and the boundary between the end walls 3 and 4 as the bottom. The creases are provided in a triangular shape so that A crease is also provided at the boundary between the side wall side flaps 7 and 8 and the side walls 1 and 2. Then, center folds 11 and 12 that are directed downward from the end walls 3 and 4 are formed from the apexes of the triangular creases at the left and right center of the upper ends of the end wall side flaps 9 and 10. Further, the crease at the boundary between the end wall side flaps 9 and 10 and the end walls 3 and 4 and the crease at the boundary between the side wall side flaps 7 and 8 and the side walls 1 and 2 are substantially straight.

Below the end walls 3, 4, they extend upward and inward from both corners of the lower end, and the central creases 11, 12
There are two creases that intersect at one point above. Thereby, when the triangular wing part is bent downward, the end walls 3 and 4 are easily bent inward.

  And the inside of the triangular crease provided in the end wall side flaps 9 and 10 (the portion surrounded by the triangular crease is formed into a packaging container, and the end wall side flaps 9 and 10 are triangular wings. Cutout portions 13 and 14 are provided on portions 25 and 26 that hit the inner surface when bent downward.

  The shape of the cutouts 13 and 14 is not particularly limited, but in this example, two sides that are parallel to two sides that form a right angle across the vertex of the triangular crease and that are separated by substantially the same length, and an inner angle of 180 are provided. Deformed quadrilateral cutouts 13 and 14 having two sides exceeding ° were provided. As a result, when the triangular wings 25 and 26 are bent downward, the force of returning to the horizontal is further reduced, and the state of being stably bent downward can be maintained.

  The lengths of the side wall side flap 7 and the side wall side flap 8 in the figure in the vertical direction are longer than the horizontal lengths of the end walls 3 and 4, and the packaging container is assembled to form the side wall. When the side flaps 7 and 8 are respectively tilted, the side wall side flaps 7 and the front end portions of the side wall side flaps 8 overlap each other.

  The longitudinal length of at least one side across the central creases 11 and 12 of the end wall side flaps 9 and 10 is longer than one half of the lateral length of the end walls 3 and 4 and is packaged. Assembling the container, the side wall side flaps 7 and 8 are collapsed, and at the same time, the end wall side flaps 9 and 10 are folded by folding the two side folds forming the apex of the triangle provided on the end wall side flaps 9 and 10. Are triangular wings 25 and 26, one side of the end wall side flaps 9 and 10 sandwiching the central folds 11 and 12 overlaps the other side.

  Further, notches 15 and 16 are formed from the end edges between the side wall-side flap 8 that is on the upper side and the end wall-side flaps 9 and 10 adjacent thereto when they overlap. Thereby, when the wings 25 and 26 are bent downward, the end walls 3 and 4 are bent inward and the side walls 1 and 2 are moved toward each other. It overlaps easily on the side wall side flap 7 which becomes lower.

  In this example, handles 17 and 18 are provided for easy carrying. The grips 17 and 18 are arranged above the side wall side flaps 7 and 8 via a crease a and a cut line b. The crease is provided at a position where, when the side wall side flaps 7 and 8 are folded so as to overlap, the crease a is folded and the handles 17 and 18 are overlapped.

  The bottom of the packaging container includes a bottom plate 19 connected below the side wall 1, a floor plate 20 provided below the side wall 2, bent plates 21, 22 provided below the end walls 3, 4, and It consists of sticking plates 23 and 24 that are obliquely connected to the bending plates 21 and 22 via folding lines.

  FIG. 2 is a front view of a state in which the bottom of an example of the packaging container of the present invention is assembled. Assembling of the bottom is performed by using the blank of the developed view of FIG. 1 to fold the crease between the margin 5, the side wall 1, the end wall 3, the side wall 2, and the end wall 4. Adhere to the inner surface of the tube to make it cylindrical.

  Next, the floor plate 20 is folded inward, and the bottom plate 19 is folded so as to overlap the floor plate 20. Then, the folded plates 21 and 22 are folded, the sticking plate 23 is bonded to the bottom plate 19, and the sticking plate 24 is bonded to the floor plate 20 to form the bottom. As a result, a packaging container having an open top as shown in FIG. 2 is obtained.

  In the packaging container in this state, by pressing the floor plate 20 and the bottom plate 19 into the inside of the container, the sticking plates 23 and 24 adhered to them are pulled inward, and the folding plates 21 and 22 and While folding along the crease between the sticking plates 23 and 24, the folding plates 21 and 22 are also pulled inside the container and can be folded flat. Therefore, it can be stored and transported in this folded state before use, which is advantageous in terms of cost.

FIG. 3 is a side view of a state in which the bottom of an example of the packaging container of the present invention is assembled. An end wall side flap 9 is positioned above the end wall 3, and the end wall side flap 9 is provided with a cutout portion 13. The cutout portion 13 can prevent the end wall side flap 9 from returning horizontally when the end wall side flap 9 is tilted downward. (The same applies to the cutout portion 14 and the end wall side flap 10.)
FIG. 4 is a front view of a state in which the bottom of an example of the packaging container of the present invention is assembled and the side wall side flaps are folded down, and FIG. 5 is an assembled bottom of the example of the packaging container of the present invention and the side wall side flaps are folded down. FIG.

  2, the side wall side flap 7 of the packaging container with the upper side opened is brought down, and then the side wall side flap 8 is brought down so as to overlap the side wall side flap 7. At this time, the grips 17 and 18 are placed on the side wall side. Fold it with a crease between the flaps 7 and 8 and raise it so that the handle 17 and the handle 18 overlap each other on the back side.

  Then, the end wall side flaps 9 and 10 are folded by two folds forming the apex angle of the triangle provided in each, and the end wall side flaps 9 and 10 become triangular wing portions 25 and 26.

  FIG. 6 is a front view of a state in which the side wall side flap of the example of the packaging container of the present invention is folded down and the end wall side flap is bent downward, and FIG. 7 is the side wall side flap of the example of the packaging container of the present invention. It is a top view of the state which fell and bent the end wall side flap below.

  When the end wall side flaps 9 and 10 that are the triangular wings 25 and 26 of the packaging container in the state of FIGS. 4 and 5 are bent downward, the end walls 3 and 4 are bent inward, and accordingly, the side walls 1 and 2 are brought close to each other. The side flaps 7 and 8 are held closed and overlapped at the upper part of the container by the wings 25 and 26 pressed downward with respect to the end walls 3 and 4 bent inward. .

  In this state, since the end wall side flaps 9 and 10 are provided with the cutout portions 13 and 14, the wing portion formed by the end wall side flaps 9 and 10 has a force to return the sheet material straight. Also, 25 and 26 do not work on the back side, and the wing portions 25 and 26 do not easily return to the horizontal direction, so that the packaging container does not open carelessly.

1, 2 ... side walls 3, 4 ... end wall 5 ... glue margin 6 ... upper lid 7, 8 ... side wall side flaps 9, 10 ... end wall side flaps 11, 12, ... Center creases 13, 14 ... cutouts 15, 16 ... notches 17, 18 ... handle 19 ... bottom plate 20 ... floor plate 21, 22 ... bent plates 23, 24 ... Adhesion plates 25, 26 ... Wings

Claims (4)

A packaging container, formed by bending a sheet material, having a side wall, an end wall, and an upper lid,
The upper lid has side wall side flaps that overlap each other to close the packaging container, and end wall side flaps that are integral with the side wall side flaps,
The end wall side flap forms a triangular wing that can be bent downward so as to be positioned in a state of being pressed against the end wall;
And, the wing portion is provided with a cutout portion on the surface that becomes the inner side when bent downward,
The end wall is formed with a central crease extending from the upper end of the end wall side flap to the lower side of the end wall, whereby the end wall can be bent inwardly,
When the wing part is bent downward in the direction of the end wall beyond the horizontal line, the end wall can be bent inward and the side walls can be brought close to each other;
By the wings being pressed downward with respect to the end wall that is bent inward, the side wall flap, at the top of the packaging container, a packaging container is held in a closed and overlapped state ,
The cutout portion has one apex at the left and right center of the upper end of the end wall side flap, an angle formed by two sides sandwiching the apex is a right angle, and a boundary between the end wall side flap and the end wall is a bottom side A right-angled isosceles triangle having a shape of a deformed quadrangle having two sides parallel to the two sides forming a right angle across the vertex and separated by substantially the same length, and two sides having an inner angle exceeding 180 °. A packaging container.   The packaging according to claim 1, wherein a triangular crease is preliminarily attached to the end wall side flap, and the triangular wing portion is easily formed when the side wall side flap is folded together. Container.   The lower end portion of the end wall of the packaging container is provided with two ruled lines that extend inward and upward from both corners of the lower end and intersect at a certain point on the central crease. The packaging container according to claim 1 or 2. A notch is formed from an end edge between the side wall-side flap that is above when overlapped and the end wall-side flap adjacent thereto,
Thereby, when the wing portion is bent downward, the end wall is bent inward and the side walls move in a direction approaching each other, so that the upper side wall side flap becomes the lower side wall side. The packaging container according to any one of claims 1 to 3, wherein the container is easily overlapped with a flap.

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