JP2003252323A - Packaging container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a packaging container capable of preventing the positional deviation of flaps with the aid of folded-back pieces by a method wherein the flaps are connectively provided to one of main sheets through arcuate folds and the folded-back pieces are provided to the other main sheet to be folded back on it along outer faces of ends of the flaps, and capable of stably closing openings of the container with the flaps. <P>SOLUTION: In this packaging container, both ends of a main sheet 1 on one of the sides and a main sheet 2 on the other side, both being connectively provided through a fold a, abut against each other to define openings between both the main sheets, and at least one of the openings is closed. The packaging container has flaps 5 and 3 which are connectively provided to the main sheet 2 through arcuate folds, and has folded-back pieces 13 and 9 which are connectively provided to the main sheet 1 to be folded back on it along outer faces of ends 5a and 3a of the flaps 5 and 3. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging container such as a pillow type packaging container for packaging various products such as stationery, clothing and cosmetics.

[0002]

2. Description of the Related Art Conventionally, as a pillow type packaging container of the above-mentioned example, there is a container having a structure shown in a developed view in FIG. 13 and a perspective view of a completed assembly state in FIG. That is, as shown in FIG. 13, two main plates 91 and 92 are arranged in series via a fold s,
The flap 9 is provided at both ends on the longitudinal direction side of each of the main plates 91, 92 via arc-shaped folds t, u, v, w, respectively.
3, 94, 95, 96 are arranged in series and one main plate 9
A connecting piece 97 is continuously provided at an end portion on the width direction side of 1 through a fold x parallel to the fold s.

In order to assemble the container in the unfolded state shown in FIG. 13 as shown in FIG. 14, first, the other main plate 9 is inserted through the fold s.
2 is opposed to the upper side of one of the main plates 91, then a joining piece 97 that is bent on the other main plate 92 through the fold x is joined by an appropriate means, and then the arc-shaped folds v and w are formed. After the flaps 95 and 96 are bent through the flaps 95 and 96 and then the flaps 93 and 94 are bent to the outer surfaces of the flaps 95 and 96 through the arc-shaped folds t and u, FIG. The pillow type packaging container 98 shown is obtained.

Both ends of the above-mentioned article storage space are closed by a pair of inner and outer flaps 95, 93, 96, 94, but the above-mentioned flaps 95, 93 and 96, 94 are simply contacted with each other. Therefore, when an external force is applied to the container 98, the openings of both ends of the article storage space are opened due to the displacement of the respective flaps, and the stored article falls or dust or the like enters this storage space.

In order to prevent such opening of the opening, it is advisable to join the flaps 93, 94 and the main plate 92 with a joining means such as an adhesive tape. In this case, joining man-hours are required and the flaps are stored. When the article stored in the space is taken out, the joining means such as an adhesive tape needs to be peeled off or cut, which causes a problem of taking out the article.

[0006]

SUMMARY OF THE INVENTION According to the present invention, one main plate is provided with flaps continuously through arc folds, and the other main plate is folded back on the main plate and extends along the outer surface of the end portion of the flap. An object of the present invention is to provide a packaging container in which the flap can be prevented from being displaced by providing the folding piece, and the opening of the container can be stably closed by the flap.

[0007]

In the packaging container according to the present invention, both ends of a main plate on one side and a main plate on the other side, which are continuously provided via a fold, are brought into contact with each other to form an opening between both main plates. A forming container for closing at least one opening of the opening, wherein one of the main plates is provided with a flap continuously through an arc fold, and the other main plate is concerned. The folding piece is folded back on the main plate and the folding piece is continuously provided along the outer surface of the end portion of the flap.

The material constituting the packaging container is PP, P
It can be selected as any material such as synthetic resin such as ET, biodegradable plastic, paper or cardboard, recycled paper or composite material, and the article packaged in this packaging container is stationery,
It can be set for various products such as clothing and cosmetics.

According to the above construction, after the opening is formed, the flap is bent through the arc-shaped fold of the one main plate, and then the folded piece on the other main plate is folded back on the main plate. The folded piece prevents the displacement of the flap along the outer surface of the end of the flap due to the wall thickness (plate thickness) of the folded piece, so that the opening of the container can be stably closed by the flap.

Further, since this closing structure does not use an adhesive means such as an adhesive tape as in the conventional example, the number of steps for closing the opening is small and the opening operation for taking out the packaged article becomes easy.

In one embodiment of the present invention, the flap is provided with a supporting tongue that is in contact with the other main plate through a fold, and the supporting tongue is sandwiched between the other main plate and the folding piece. It is what is done.

According to the above structure, when the supporting tongue is bent through the fold of the flap, the supporting tongue that abuts on the other main plate and the flap secure an L-shaped cross-sectional structure. Since the flap is stably supported, and the supporting tongue piece is sandwiched between the other main plate and the folded piece, the support rigidity of the flap that closes the opening is improved, and a reliable closed state of the opening can be secured. it can.

In one embodiment of the present invention, a locking hole is formed in the flap, while a locking piece that engages with the locking hole is connected to the folded piece. According to the above configuration, the engagement structure of the locking piece with respect to the locking hole further stabilizes the position of the flap, and it is possible to prevent the opening of the opening from being more excellent, Since the locking hole is closed, the container can be hermetically sealed.

In one embodiment of the present invention, the folding piece is provided with projections to be inserted between the flap and the other main plate on both sides of the supporting tongue piece.

According to the above construction, the insertion structure of the projecting portions on both sides of the support tongue further stabilizes the position of the flap, so that the opening of the opening can be prevented even better. The insertion structure can ensure the hermeticity of the container.

In one embodiment of the present invention, the locking hole of the flap is formed by a cut, and a portion surrounded by the cut is set as a standing piece continuous with one main plate and the other main plate. The fold between the folded piece and the folded piece is set as a straight fold, and the container itself is erected and supported by the standing piece and the straight fold.

According to the above construction, the container itself can be made to stand upright, that is, to be self-supported by both of the above-mentioned standing piece and the linear fold while ensuring the sealing property of the container. Further, the linear fold between the other main plate and the folded piece can be formed in the full width or substantially the full width of the main plate, and since the standing piece is continuous with the one main plate, the self-supporting posture of the container by both of them can also be formed. Stabilize.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. The drawing shows a packaging container, and in the development view shown in FIG. 1, a sheet-shaped main plate 1 on one side and another side and a main plate 2 having a sheet shape that are continuously provided through a fold a are provided. Here, the main plate 1 becomes a back plate (substrate) when the container is completely assembled, and the main plate 2 becomes a front plate. In the embodiment, the packaging container is, for example, P
It is made transparent or translucent with plastics such as P, PET, and biodegradable plastics.

One of the main plates 1 and 2 described above is a main plate 2
A flap 3 (so-called lid plate) is continuously provided at one end in the longitudinal direction of the main body 1 through a circular arc fold b, and the flap 3 has a supporting tongue that abuts the other main plate 1 through the fold c. Pieces 4 are arranged in series.

A flap 5 (so-called lid plate) is connected to the other longitudinal end of the one main plate 2 through a discontinuous arc fold d, and the other flap 5 is connected to the flap 5 through a fold e. Supporting tongues 6 that are brought into contact with the main plate 1 are continuously provided.

An engaging hole 7 (see FIG. 4) is provided in the flap 5 described above.
In order to form the above, a concave cut f is formed at the center of the discontinuous arc fold d, and the portion surrounded by the cut f is set as a standing piece 8 continuous with one main plate 2.

The other main plate 1 is set to be slightly longer than the one main plate 2, and a folded-back piece 9 is formed at one longitudinal end of the other main plate 1 through a linear fold g. . This folded piece 9 is folded back on the main plate 1 and the flap 3
The curved shape of the end 9a of the folded piece 9 corresponds to the curved shape of the end 3a of the flap 3.

Further, when the folded piece 9 is folded back on the main plate 1 through the fold g, the hanging holes 10 and 11 are formed in the two so as to coincide with each other. Furthermore, the end portion 9a of the above-mentioned folded piece 9 has an end portion 3a of the flap 3 on both sides of the support tongue piece 4 when the packaging container is assembled.
And the other main plate 1 are integrally formed with protrusions 12, 12.

At the other end of the other main plate 1 in the longitudinal direction, a folded piece 13 is continuously provided through a straight fold h, and the folded piece 13 is provided with the above-mentioned locking hole through a fold i. 7 (see Figure 4)
A locking piece 14 that engages with is continuously provided.

Here, the position of the linear fold h between the above-mentioned folded piece 13 and the main plate 1 is formed so as to correspond to the position of the end of the standing piece 8. In addition, the above-mentioned folded piece 13
Is folded back on the main plate 1 and extends along the outer surface of the end portion of the flap 5, and the curved shape of the end portion 13a of the folded piece 13 corresponds to the curved shape of the end portion 5a of the flap 5.

Further, the locking hole 14 is provided in the locking piece 14 described above.
Engagement recesses 15 and 15 are formed as engaging means to be engaged with the cut f that forms (see FIG. 4).

By the way, at the end portion in the width direction of the other main plate 1 described above, the joining piece 1 is provided with a fold k parallel to the fold a.
6 are serially installed. The length of the joining piece 16 is set to be equal to or slightly shorter than the length of the one main plate 2 in the longitudinal direction.

To assemble the packaging container from the unfolded state shown in FIG. 1, as shown in FIG. 2 and FIG.
Is bent above the main plate 1, the end portions of the two main plates 1 and 2 are brought into contact with each other, and the joining piece 16 bent to the outer surface of the main plate 2 through the fold k is joined to the main plate 2 with an adhesive or the like, Both main plates 1 and 2
Openings m and n continuous in the left-right direction of FIG. 3 are formed between them. The above-mentioned joining piece 16 may be joined to the inner surface of the main plate 2. It can also be fixed by using a joining means such as high-frequency adhesion or welding.

In this embodiment, the left and right openings m and n are closed, and after the articles (not shown) are previously stored in the article storage space p set by the openings m and n, one of As shown in FIGS. 4 and 5, the flap 5 and the supporting tongue 6 are bent on the opening m side of the main body 1 through the folds d and e, and the supporting tongue 6 is abutted on the main plate 1. Contact.

When the flap 5 is bent, the locking hole 7 is formed.
And the standing piece 8 is simultaneously formed. The other opening n
On the side, as shown in FIGS. 4 and 6, the flap 3 and the support tongue 4 are bent through the folds b and c, and the support tongue 4 is brought into contact with the main plate 1.

The timing at which the flaps 5, 3 and the support tongues 6, 4 are bent through the folds d, b, e, c is earlier than the timing at which the main plate 2 is bent through the fold a. It may be set to. However, in this case, when storing an article (not shown) in the storage space p, one of the flaps 5
Alternatively, 3 may be opened once.

Next, on the side of the opening m, as shown in FIGS. 7 and 8, the folded piece 13 is folded along the straight line fold h onto the main plate 1 through the support tongue piece 6 as shown in FIGS. With the return
Engagement recesses 15 and 1 of the locking piece 14 bent along the fold i
5 is engaged with the edge of the engaging hole 7, and the engaging piece 14 closes the engaging hole 7. At this time, the support tongue piece 6 is sandwiched between the main plate 1 and the folded piece 13.

On the side of the opening n, as shown in FIG. 7, from the state shown in FIG.
Is folded back on the main plate 1 via the support tongues 4, and the projections 12, 12 of the folded back pieces 9 are provided on both sides of the support tongue 4 between the end 3a of the flap 3 and the other main plate 1. Insert and close the opening n. At this time, the above-mentioned support tongue piece is sandwiched between the main plate 1 and the folded piece 9, and the two hanging holes 10 and 11 are aligned with each other to form a pillow-type packaging container as shown in a perspective view in FIG. 17 is assembled.

Each of the flaps 5 and 3 and the folded piece 1 described above.
Snap action acts on 3 due to these curved shapes, and it is possible to secure a certain degree of shape retention force,
Moreover, on the side of one opening m, the end 5 of the flap 5 is
a End 13 of the folded piece 13 over substantially the entire length of the outer surface
Since "a" runs along substantially the entire length, this folded piece 13
The position shift of the flap 5 can be regulated by.

On the other side of the opening n, since the end 9 of the folded piece 9 extends along substantially the entire length of the outer surface of the end 3a of the flap 3, the folded piece 9 extends along the substantially entire length thereof.
The position displacement of the flap 3 can be regulated by.

Further, as shown in FIGS. 7 and 9, since the position of the end of the standing piece 8 and the position of the straight line fold h coincide with each other, as shown in FIG. 10 from the state shown in FIG. The pillow-shaped packaging container 17 itself can be vertically supported (so-called self-supporting) by the standing piece 8 and the linear fold h.

As described above, in the pillow type packaging container 17 shown in FIGS. 1 to 10, both ends of the main plate 1 on one side and the main plate 2 on the other side which are continuously provided through the fold a are brought into contact with each other. Both main plates 1 and 2
The openings m and n are formed between the openings m and n, and at least one of the openings m and n (both the openings m and n in this embodiment).
n), which is a packaging container, in which one of the main plates 2 is provided with flaps 5 and 3 continuously through arc folds d and b, and the other main plate 1 is the main plate 1 The flaps 5 and 3 are folded up and the folding pieces 13 and 9 along the outer surfaces of the end portions 5a and 3a of the flaps 5 and 3 are continuously provided.

According to this structure, after the openings m and n are formed, the flaps 5 and 3 are bent through the arc-shaped folds d and ba of the one main plate 2, and then the other main plate 1 side is bent. When the folded-back pieces 13 and 9 are folded back on the main plate 1, the folded-back pieces 13 and 9 are along the outer surfaces of the ends 5a and 3a of the flaps 5 and 3 to have a wall thickness (plate thickness) of the folded-back pieces 13 and 9. Flap 5,3
Since the displacement of the container is prevented, the openings m and n of the container 17 can be stably closed by the flaps 5 and 3.

Further, since this closing structure does not use an adhesive means such as an adhesive tape as in the conventional example, the number of steps for closing the openings m and n is small, and the packaged article (the article storage space p
The opening operation of the openings m and n at the time of taking out the articles stored in (3) becomes easy.

Moreover, the flaps 5 and 3 have folds e and
Supporting tongues 6 and 4 contacting the other main plate 1 via c are continuously provided, and the supporting tongues 6 and 4 are sandwiched between the other main plate 1 and the folding pieces 13 and 9.

According to this structure, when the supporting tongues 6 and 4 are bent through the folds e and c of the flaps 5 and 3, the supporting tongues 6 and 4 and the flaps 5 and 5 which come into contact with the other main plate 1 are bent. L with 3
The cross section structure of the letter shape is secured, which allows the flap 5,
3 is stable, and the supporting tongues 6, 4 are sandwiched between the other main plate 1 and the folding pieces 13, 9, so that the supporting rigidity of the flaps 5, 3 for closing the openings m, n is improved. ,
It is possible to secure a reliable closed state of the openings m and n.

A locking hole 7 is formed in the flap 5, while a locking piece 14 that engages with the locking hole 7 is connected to the folded piece 13. According to this configuration, the position of the flap 5 is further stabilized by the engagement structure of the locking piece 14 with respect to the locking hole 7, and the opening of the opening m can be prevented more favorably. Since the locking hole 7 is closed by the locking piece 14, the container 17 can be hermetically sealed.

Further, the folding piece 9 is provided with projections 12 and 12 which are inserted between the flap 3 and the other main plate 1 on both sides of the supporting tongue piece 4.

According to this structure, the position of the flap 3 is further stabilized by the insertion structure of the protrusions 12 on both sides of the support tongue 4, and the opening of the opening n is prevented even better. In addition, it is possible to ensure the sealing property of the container 17 by the above-mentioned insertion structure.

In addition, the locking hole 7 of the flap 5 is formed by a cut f, and a portion surrounded by the cut f is set as a standing piece 8 continuous with one main plate 2 and the other main plate. The fold between 1 and the folded piece 13 is set to a straight fold h, and the standing piece 8 and the straight fold h are configured to stand and support the container 17 itself as shown in FIG. It is a thing.

With this structure, the container 17 itself can be made to stand upright by the both of the upright pieces 8 and the straight folds h while maintaining the airtightness of the container 17, so-called self-standing. Further, the straight line fold h between the other main plate 1 and the folded piece 13 can be formed in the entire width or substantially the entire width of the main plate 1, and since the standing piece 8 is continuous with the one main plate 2, both of these The self-standing posture of the container 17 by h and 8 is also stable.

Further, since both openings m and n can be well sealed by the above construction, foreign matters such as dust can be prevented from entering the article storage space p.
The stored item can be set as cosmetics.

FIG. 11 shows another embodiment of the packaging container in which a convex portion 18 corresponding to an article stored in the article storage space p is integrally formed in the middle portion, preferably the center portion of the main plate 2. With this configuration, it is possible to expand the applicable range of the article stored in the article storage space p and prevent the article from being displaced. Instead of the convex portion 18 described above, a flat portion, a concave portion, or an uneven portion may be integrally formed on the main plate 2.

Even if the structure is as shown in FIG. 11, the other structure, action and effect are almost the same as those of the previous embodiment. Therefore, the same parts in FIG. And its detailed description is omitted.

FIG. 12 shows still another embodiment of the packaging container. In this embodiment, the structure for closing both the openings m and n (see the previous figure) is the structure for closing the opening m in the previous embodiment. Further, a display piece 19 is continuously provided in advance on the side opposite to the fold a of the one main plate 2 via the fold r.
Through the fold z parallel to each of the folds a and r described above.
0 is continuously provided, and a suspending hole 21 that vertically penetrates is formed as a suspending portion for suspending a container in an intermediate portion, preferably a central portion, of an overlapping portion of the display piece 19 and the overlapping piece 20, Joint piece 16 bent through the fold k (see the previous figure)
Is joined and fixed to the display piece 19 by an adhesive means such as an adhesive.

According to this structure, the function of the packaged article can be displayed by the printing means for printing directly on the display piece 19 or the indirect printing means for attaching the printed matter, and the packaging container 17 can be displayed in the lateral direction. It can be hung and supported by directing to.

Even if the structure shown in FIG. 12 is adopted, other structures, functions and effects are almost the same as those of the previous embodiment. Therefore, the same parts in FIG. And its detailed description is omitted.

Further, as another embodiment, in the packaging container 17 shown in FIGS. 7 and 10, a container 17 in which the function of the article or the like is printed between the inner surface of the other main plate 1 and the folding pieces 9 and 13. Alternatively, a printing sheet made of a separate member such as paper or a resin sheet may be sandwiched. Although the hanging holes 10, 11 and 21 are shown as an example of the hanging means in the above-mentioned embodiments, they may be hooks for hanging.

The folds a and k are not limited to being parallel to each other, and the folds a and k are formed in a V shape to form a downward-opening container to improve self-sustainability. Of course, it is okay.

[0055]

According to the present invention, flaps are continuously provided on one main plate through arc folds, and the other main plate is folded back on the main plate and folded back along the outer surface of the end portion of the flap. Since the flap is provided, it is possible to prevent the flap from being displaced by the folded piece, and it is possible to stably close the opening of the container with the flap.

[Brief description of drawings]

FIG. 1 is a development view showing a packaging container of the present invention.

FIG. 2 is an explanatory diagram during the assembling of the container.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view when the flap is bent.

5 is a view taken along the line BB of FIG.

6 is a view taken along the line CC of FIG.

FIG. 7 is a cross-sectional view at the time of completion of assembly.

FIG. 8 is a view taken along the line DD of FIG.

FIG. 9 is a perspective view at the time of completion of assembly.

FIG. 10 is a sectional view showing a self-standing state.

FIG. 11 is a perspective view showing another embodiment of the packaging container.

FIG. 12 is a perspective view showing still another embodiment of the packaging container.

FIG. 13 is a development view of a conventional pillow type packaging container.

FIG. 14 is a perspective view showing an assembled state of a conventional pillow type packaging container.

[Explanation of symbols]

1, 2 ... Main plate 3,5 ... rap 3a, 5a ... ends 4, 6 ... Supporting tongue 7 ... Locking hole 8 ... Standing piece 9, 13 ... Folded pieces 12 ... Projection 14 ... Locking piece a, c, e ... Fold b, d ... Arc fold g, h ... Straight fold m, n ... opening

Claims (5)

[Claims] 1. A main plate on one side and a main plate on the other side, which are continuously provided through a fold, are brought into contact with each other to form an opening between the main plates, and at least one of the openings is opened. A packaging container for closing a part, wherein one of the main plates is provided with a flap continuously through an arc fold, and the other main plate is folded back onto the main plate and an end portion of the flap is provided. A packaging container in which folded pieces are continuously provided along the outer surface. 2. The flap is provided with a supporting tongue in contact with the other main plate through a fold, and the supporting tongue is sandwiched between the other main plate and the folded piece. Packaging container. 3. While forming a locking hole in the flap,
The packaging container according to claim 1 or 2, wherein an engaging piece that engages with the engaging hole is continuously provided on the folded piece. 4. The packaging container according to claim 1, wherein the folding piece is provided with protrusions to be inserted between the flap and the other main plate on both sides of the supporting tongue piece. 5. The locking hole of the flap is formed by a cut, and a portion surrounded by the cut is set as an upright piece continuous with one main plate, and between the other main plate and the folded piece. The packaging container according to claim 3, wherein the folds are set to linear folds, and the container itself is erected and supported by the upright pieces and the linear folds.