JP2656222B2 - Paper packaging box - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper packaging box.

[0002]

2. Description of the Related Art As shown in FIG. 17, a conventional paper packaging box, in particular, a packaging box having a double side plate and an end plate on the four sides of a bottom plate, has a box body 60 and an open end of the box body 60. Close lid 6
8

[0003] On the four edges of the bottom plate 61 of the box body 60,
As shown in FIG. 16, the outer plates 62 and 65 and the upper plates 64 and 67 at the side and end portions are creased outward from the respective edges via folds.
And the inner plates 63 and 66 are continuously provided. These outer plates 6
2, 65, the upper plates 64, 67 and the inner plates 63, 66 are connected to the bottom plate 61.
The bottom plate 61 is folded back to the upper surface as shown in FIG.
Are formed with double side plates and end plates on the four sides.

On the other hand, a lid plate 69 of the lid 68 is formed to have a slightly larger shape than the bottom plate 61, and the four edges of the lid plate 69 are creased outward from the respective edges similarly to the four edges of the bottom plate 61. The outer plates 70 and 72 at the side and the end are connected to the inner plates 71 and 73 with the outer plates 70 and 72 therebetween.
The inner plates 71 and 73 are folded back on the upper surface of the lid plate 69 to form a double side plate and an end plate on the four edges of the lid plate 69.

[0005]

As described above, when the side plate and the end plate on the four sides of the bottom plate of the box main body are formed in a double form, the shape of the box main body is hard to be collapsed, so that the articles to be stored in the box main body. Can be protected. This is convenient for carrying or stacking the boxes while the articles are stored in the box body.

However, once such a box body is assembled, double side plates and end plates are formed on the four edges of the bottom plate of the box body, so that it is not easy to fold again. Therefore, when transporting only empty boxes before storing articles, stacking the assembled boxes will make the boxes bulky,
There was a problem that transportation cost increased.

Further, it is necessary to form the box body and the lid separately, and since the outer plate and the inner plate are provided through the creases from the four sides of the bottom plate and the lid of the box body, the base paper and the box are used. When cutting the mold of the main body and the lid, many parts are cut off, and the paper is wasted.

Accordingly, an object of the present invention is to fold the box main body when transporting the box and to easily complete the box from the folded state when using the box, thereby saving the labor of transportation and the like. That is.

Another object of the present invention is to make the shape of the box main body less likely to collapse when the box is completed.

Another object of the present invention is to eliminate waste of paper when cutting the box body and the lid from the base paper.

[0011]

In order to solve the above problems, the present invention provides a box body having a pair of side plates and an end plate provided on the four edges of a square bottom plate, and an opening in the box body. An end plate forming plate having the same shape as the bottom plate is provided on a side edge of the one side plate, and a pair of end plate connecting frames are provided inside from both end edges of the end plate forming plate. An auxiliary side plate is provided on a side edge of the end plate forming plate, and an upper end plate and an inner end are provided in a pair as a pair of the end plate connecting frames connected inward from both end edges of the end plate forming plate through folds. It is constituted by a plate, a lower end plate, an outer end plate and a sticking portion, and a width between both side edges of the inner end plate and the outer end plate is set to be the same as a width between both side edges of the side plate, and The width between both edges of the upper end plate and the lower end plate is set to the same width, and the width is set outside the both end edges of the pair of inner end plates. A pair of support pieces are provided, the sticking portions of the end plate connecting frame are folded back at both end edges of the end plate forming plate, and the sticking portions are attached to the upper end plate, and the end plate forming plate is Fold it back to the top surface of the bottom plate and stick its auxiliary side plate to the other side plate, raise the pair of side plates on the top surface of the bottom plate, and turn the inner end plates of the pair of end plate connection frames back to the top surface of the bottom plate. Thereby, the lower end plate of the end plate connecting frame is brought into close contact with the upper surface of the bottom plate, and the support piece contacts the inner surface of the side plate, so that the inner end plate and the outer end plate stand upright at both end edges of the upper surface of the bottom plate. In this state, a configuration was adopted in which a tubular end plate connecting frame was formed.

[0012] Further, the end plate connecting frame is provided with a pair of affixed portions provided on both sides of both ends of the end plate forming plate through the folds from the both end edges, and folds inward from both end edges of the end plate forming plate. The upper end plate, the inner end plate, the lower end plate, and the outer end plate which are connected in a pair through the inner end plate and the outer end plate have a width between both side edges of the side plate. And the width between both side edges of the upper end plate and the lower end plate is set to the same width, and a pair of support pieces are provided outside the both end edges of the pair of inner end plates. Alternatively, a configuration can be adopted in which the sticking portions are folded back at both end edges of the end plate forming plate, the outer end plate is folded over the sticking portion, and the outer end plate is attached.

[0013] Further, the end plate connecting frame has a pair of an outer end plate and a sticking portion which are continuously connected from both side edges of the end plate forming plate to the outside through folds, and an inner side from both end edges of the end plate forming plate. The upper end plate, the inner end plate, and the lower end plate are connected in a pair through the fold, and the width between both side edges of the inner end plate and the outer end plate is the same as the width between both side edges of the side plate. The width is set, and the width between both side edges of the upper end plate and the lower end plate is set to the same width, and a pair of support pieces are provided outside both end edges of the pair of inner end plates, respectively. It is possible to adopt a configuration in which the outer end plate and the sticking portion are respectively folded at both end edges of the end plate forming plate, and the sticking portion is attached to the lower end plate.

[0014]

When transporting a box as described above, the outer end plate of the end plate connecting frame on both ends of the upper surface of the bottom plate is pushed inward to fold the end plate connecting frame, and furthermore, the front side plate and the rear side plate By folding the box body toward the cover plate, the box body can be folded.

When the box body is completed from the folded state, the front side plate and the rear side plate are erected on the upper surface of the bottom plate, and the inner end plate of the end plate connecting frame is further pushed downward to press the end plate connecting frame. Are folded back so that the lower end plate of the end plate connecting frame is in close contact with both end edges of the upper surface of the bottom plate. As a result, the inner end plate and the outer end plate of the end plate connecting frame are in an upright state at both ends of the bottom plate to form a cylindrical end plate connecting frame, so that the box body can be easily completed from the folded state. be able to.

Further, since the end plates are double-formed by the cylindrical end plate connecting frames formed at both end edges of the bottom plate, the shape of the box main body is not easily collapsed.

Further, since the end plate forming plate and the lid plate are connected to the bottom plate, waste of paper can be reduced when the box body and the lid are cut from the base paper.

[0018]

1 to 9 show a first embodiment of the present invention.
It will be described based on.

FIG. 1 is a development view of the packaging box. As shown, one side plate 6 and the other side plate 5 are provided on both side edges of a square bottom plate 2 via folds 7 respectively, and the same shape as the bottom plate 2 via folds 7 on the side edges of the other side plate 5. Is provided. The bottom plate 2 is provided on the side edge of the one side plate 6.
An end plate forming plate 10 having the same shape as that described above is provided. An auxiliary side plate 4 is provided on the other side edge of the end plate forming plate 10.

As shown in FIG. 1, the end plate forming plate 10 is provided with a pair of end plate connecting frames 16 inside from both end edges. The end plate connecting frame 16 is provided with the end plate forming plate 10.
An upper end plate 13, an inner end plate 11, a lower end plate 14, an outer end plate 12, and a sticking portion 15 connected inward from the both end edges through the fold line 7.

The width between both side edges of the inner end plate 11 and the outer end plate 12 is set to be the same as the width between both side edges of the side plates 5 and 6, and the width of the upper end plate 13 and the lower end plate 14 is set. The width between both side edges is set to the same width.

As shown in FIG. 1, a fold 8 is formed in a portion where the edge of the upper end plate 13 and the edge of the inner end plate 11 are in contact with the side edge of one of the side plates 6. A notch 6b is provided at a side edge of one side plate 6 corresponding to an edge of the outer end plate 14, the outer end plate 12, and the sticking portion 15.

As shown in FIG. 1, a pair of support pieces 11 is provided at the portion where the front end plate 6 is in contact with the edge of the inner end plate 11.
a and 11a are provided. A notch 11c is formed in the support piece 11a from the end of the notch 6b, and a fold 11b is oblique between the end of the notch 11c and the contact point between the upper end plate 13 and the inner end plate 11 on the fold 8. Has been put in.

As shown in FIG. 1, a fold 8 is formed in a portion where the edges of the upper end plate 13 and the inner end plate 11 are in contact with the side edges of the auxiliary side plate 4, and a pair of lower end plates 14 are provided. A cut 8a is formed in a portion where the edge of the outer end plate 12 and the adhering portion 15 is in contact with the side edge of the auxiliary side plate 4.

At a portion where the auxiliary side plate 4 is in contact with the edge of the inner end plate 11, a pair of support pieces 11e are provided so as to be symmetrical with the support piece 11a provided on the front end plate 6. ing. A fold 11b and a cut 11c are formed around the support piece 11e similarly to the support piece 11a, and the cut 11 is formed at a position corresponding to the edge of the cutout 6b.
d is inserted.

As shown in FIG. 1, a cut 9 is made in a portion where the edges of the pair of sticking portions 15 are in contact with each other.

A bent piece 3a is provided at the outer end of the cover plate 3 with a fold 7 interposed therebetween.
A locking piece 3b is provided at the center of a. A cut 6a for locking the locking piece 3b is provided on one side plate 6.

The lower end plate 14 of the pair of end plate connecting frames 16
, The outer end plate 12 and the sticking portion 15 are folded back to both end edges of the end plate forming plate 10, and as shown in FIG. It is stuck on the upper surface of.

The auxiliary side plate 4 is folded on the upper surface of the end plate forming plate 10 as shown in FIG. 3, and the end plate forming plate 10 is folded on the upper surface of the bottom plate 2 as shown in FIG. The lower surface of the auxiliary side plate 4 is attached to the upper surface of the rear side plate 5. The lid plate 3 is folded on the upper surface of the end plate forming plate 10 to form a folded box as shown in FIGS. 5 and 6.

From the above-mentioned folded state, the box body 1
Is completed, the side plates 5 and 6 are simultaneously erected on the upper surface of the bottom plate 2, and as shown in FIG. 7, the inner end plate 11 of the end plate connecting frame 16 at both edges of the end plate forming plate 10 is connected to the bottom plate 2. The lower end plate 14 of the end plate connecting frame 16 is brought into close contact with the upper surface of the bottom plate 2 by folding over the upper surface.

Thus, the inner end plate 11 and the outer end plate 1
2 is in an upright state at both ends of the upper surface of the bottom plate 2, so that the box body 1 is completed. In this case, the support pieces 11a, 1
The end plate connecting frame 16 is held in a tubular shape at both end edges of the upper surface of the bottom plate 2 by contacting the inner surface of the side plates 5 and 6 with 1e.

When the box body 1 is folded, the outer end plate 11 of the end plate connecting frame 16 can be folded inward, and the side plates 5 and 6 can be folded back to return to the state shown in FIG.

Next, a second embodiment of the present invention will be described with reference to FIGS.

FIG. 10 is a development view of the packaging box of this embodiment. As shown in the figure, one side plate 26 and the other side plate 25 are provided on both side edges of the square bottom plate 22 through folds 27, respectively.
And a lid plate 23 having the same shape as the bottom plate 22 is provided on a side edge of the other side plate 25 via a fold line 27. An end plate forming plate 30 having the same shape as the bottom plate 22 is provided on a side edge of the one side plate 26. An auxiliary side plate 24 is provided on the other side edge of the end plate forming plate 30.

As shown in FIG. 10, the end plate forming plate 30 is provided with a pair of end plate connecting frames 36 at both end edges. The end plate connecting frame 36 is continuously provided via the folds 27 from both ends of the end plate forming plate 30 to the sticking portion 35 provided outside the both ends of the end plate forming plate 30 via the folds 27. It is composed of an upper end plate 33, an inner end plate 31, a lower end plate 34, and an outer end plate 32.

The width between the side edges of the inner end plate 31 and the outer end plate 32 is set to be the same as the width between the side edges of the side plates 25 and 26. The width between both side edges is set to the same width. In this case, the width between both side edges of the inner end plate 31 and the outer end plate 32 is
Since the width between both side edges of the inner end plate 11 and the outer end plate 12 of the first embodiment is set to be larger, the height of the box body 21 is higher than the height of the box body 1.

As in the first embodiment, a fold 28 is formed in a portion where the edge of the upper end plate 33 and the edge of the inner end plate 31 are in contact with the side edge of one of the side plates 26. A notch 26b is provided at a side edge of one side plate 26 corresponding to an edge of the plate 34 and the outer end plate 32.

A portion where the front end plate 26 contacts the edge of the inner end plate 31 is provided with a pair of support pieces 3 as in the first embodiment.
1a and 31a are provided. A notch 31c is formed in the support piece 31a from the end of the notch 26b.
The upper end plate 33 on the fold 28 from the end of the cut 31c
A fold 31b is obliquely inserted between the contact point of the inner end plate 31 and the inner end plate 31.

As in the first embodiment, a fold 28 is formed in a portion where the edges of the upper end plate 33 and the inner end plate 31 are in contact with the side edges of the auxiliary side plate 24. 3
A cut 28a is made in a portion where the edge of the outer side plate 32 contacts the side edge of the auxiliary side plate 24.

At the portion where the auxiliary side plate 24 is in contact with the end of the inner end plate 31, as in the first embodiment, a support piece is provided so as to be symmetrical with the support piece 31a provided at the front end plate 26. 31e are provided in a pair. Around the support piece 31e, a fold 3 is formed in the same manner as the support piece 31a.
1b and a cut 31c are formed, and a cut 31d is formed at a position corresponding to the edge of the cutout 26b.

As shown in FIG. 10, a cut 29 is made in a portion where the edges of the pair of outer end plates 32 are in contact with each other.

Adhering part 35 of the pair of end plate connecting frames 36
Are folded back on the upper surface of the upper end plate 33, and the lower end plate 34 and the outer end plate 32 are folded back on both end edges of the end plate forming plate 30, respectively.
2 is stuck on the lower surface.

The end plate forming plate 30 is folded back on the upper surface of the bottom plate 22, and the lower surface of the auxiliary side plate 24 is adhered to the upper surface of the side plate 25. The lid plate 23 is folded back on the upper surface of the end plate forming plate 30, and a folded paper box is formed as in the first embodiment.

From the above folded state, the box body 2
1 is completed in the same manner as in the first embodiment.
26 are simultaneously raised on the upper surface of the bottom plate 22, and the end plate forming plate 3
0 to the bottom plate 22
And the lower end plate 34 of the end plate connecting frame 36 is brought into close contact with the upper surface of the bottom plate 22.

Thus, as shown in FIGS. 11 and 12, the inner end plate 31 and the outer end plate 32 stand upright at both ends of the upper surface of the bottom plate 22, so that the box body 21 is completed. In this case, the support pieces 31a and 31e
By contacting the inner surface of the bottom plate 26, the end plate connecting frame 36 is held in a cylindrical shape at both end edges of the upper surface of the bottom plate 22.

Next, a third embodiment of the present invention will be described with reference to FIGS.

FIG. 13 is an exploded view of the packaging box of this embodiment. As shown, one side plate 46 and the other side plate 45 are provided on both side edges of a square bottom plate 42, and a lid plate 43 having the same shape as the bottom plate 42 is provided on the side edge of the other side plate 45.
An end plate forming plate 50 having the same shape as the bottom plate 42 is provided on a side edge of the one side plate 46, and an auxiliary side plate 44 is provided on the other side edge of the end plate forming plate 50.

As shown in FIG. 13, the end plate forming plate 50 is provided with a pair of end plate connecting frames 56 at both end edges. The end plate connecting frame 56 is provided in a pair outside the both end edges of the end plate forming plate 50, the outside end plate 52 and the sticking portion 55 and the inside of the both end edges of the end plate connecting plate 50. An upper end plate 53, an inner end plate 51, and a lower end plate 54 are provided.

The width between both side edges of the inner end plate 51 and the outer end plate 52 is set to be the same as the width between both side edges of the side plates 45 and 46. The width between both side edges is set to the same width. In this case, the width between both side edges of the inner end plate 51 and the outer end plate 52 is
Since the width between both side edges of the inner end plate 31 and the outer end plate 32 of the second embodiment is set larger, the height of the box main body 41 is higher than the height of the box main body 21.

As in the first embodiment, a fold 48 is formed in a portion where the edges of the upper end plate 53 and the inner end plate 51 are in contact with the side edge of one of the side plates 46. A notch 46b is provided at a side edge of one side plate 46 corresponding to an edge of the plate 54.

A portion where the upper end plate 53 contacts the edge of the inner end plate 51 is provided with a pair of support pieces 5 as in the first embodiment.
1a and 51a are provided. These support pieces 51a, 5
A cut 51c is formed in 1a from the end of the notch 46b, and a fold 51b is formed between the end of the cut 51c and the contact point of the upper end plate 53 and the inner end plate 51 on the fold 48.
Is inserted diagonally.

A fold 48 is formed in a portion where the edge of the upper end plate 53 and the inner end plate 51 is in contact with the side edge of the auxiliary side plate 44, similarly to the side edge of the one side plate 46. A notch 46b is provided on the side edge of the auxiliary side plate 44 corresponding to the edge of the lower end plate 54.

At the portion where the auxiliary side plate 44 is in contact with the edge of the inner end plate 51, similarly to the side edge of the one side plate 46,
A pair of support pieces 51e, 51e are provided. Around the support pieces 51e, 51e, the support pieces 51a, 5
As in 1a, a fold 51b and a cut 51c are provided.

As shown in FIG. 13, a cut 49 is made in a portion where the edges of the pair of lower end plates 54 are in contact with each other.

Outer end plates 52 of the pair of end plate connecting frames 56
And the attaching portion 55 are folded back on the upper surfaces of the upper end plate 53 and the inner end plate 51, and the lower surface of the folded attaching portion 55 is adhered on the upper surface of the lower end plate 54.

The end plate forming plate 50 is folded back on the upper surface of the bottom plate 42, and the lower surface of the auxiliary side plate 44 is adhered to the upper surface of the side plate 45 as in the first embodiment. This end plate forming plate 50
The cover plate 43 is folded back on the upper surface of the device, and as in the first embodiment,
A folded paper box is formed.

From the above-mentioned folded state, the box body 4
1 is completed in the same manner as in the first embodiment.
46 are simultaneously raised on the upper surface of the bottom plate 42 and the end plate forming plate 5
0 to the bottom plate 42
And the lower end plate 54 of the end plate connecting frame 56 is brought into close contact with the upper surface of the bottom plate 42.

Thus, as shown in FIGS. 14 and 15, the inner end plate 51 and the outer end plate 52 stand upright at both ends of the upper surface of the bottom plate 42, and the box body 41 is completed.

[0059]

As described above, according to the present invention, the inner end plate of the end plate connecting frame is folded back on both side edges of the upper surface of the bottom plate, and the lower end plate of the end plate connecting frame is brought into close contact with the upper surface of the bottom plate. By doing so, the inner end plate and the outer end plate of the end plate connecting frame take an upright state at both end edges of the upper surface of the bottom plate and the end plate connecting frame is formed in a cylindrical shape, so that the box can be easily folded from the folded state. Can be completed. That is, when transporting only empty boxes before storing articles, the boxes can be transported in a folded state, so that transportation costs can be reduced, and
When storing articles in a box, the box can be completed in a single action, so that the cost and time required for box folding can be reduced. Also, by folding the outer end plate of the end plate connecting frame of the completed box inward, the box can be folded again, so that there is no trouble in the storage space for empty boxes.

Further, since the end plates can be double-formed by the cylindrical end plate connecting frames formed on both end edges of the bottom plate, the shape of the box is not easily collapsed in a completed state. Thereby, it is convenient to carry or stack the boxes while storing the articles in the boxes.Furthermore, since the end plate forming plate and the lid plate are connected to the bottom plate, the box mold can be formed from the base paper. When cutting, waste of paper can be eliminated. As a result, it is possible to reduce costs, protect forest resources and reduce waste after use.

[Brief description of the drawings]

FIG. 1 is a development view showing a first embodiment of a paper packaging box.

FIG. 2 is a partially omitted perspective view showing a state in which the end plate connecting frame is folded back and adhered.

FIG. 3 is a partially omitted perspective view showing a state in which an auxiliary side plate is folded and attached.

FIG. 4 is a partially omitted perspective view showing a state in which the end plate forming plate is folded and attached.

FIG. 5 is a partially omitted perspective view showing a state in which a lid plate is folded back.

FIG. 6 is a longitudinal sectional view of the above.

FIG. 7A is a partially omitted perspective view showing a state in which the side plate is erected; FIG. 7B is a partially omitted perspective view showing a state in which the end plate connecting frame is folded back to the upper surface of the bottom plate; Partially omitted perspective view showing the state formed in

FIG. 8 is a perspective view showing an assembled box of the above.

FIG. 9 is a longitudinal sectional view of the above.

FIG. 10 is a developed view showing a second embodiment of the paper packaging box.

FIG. 11 is a perspective view showing the assembled box of the above.

FIG. 12 is a longitudinal sectional view of the above.

FIG. 13 is an exploded view showing a third embodiment of a paper packaging box.

FIG. 14 is a perspective view showing an assembled box of the above.

FIG. 15 is a longitudinal sectional view of the above.

FIG. 16 is an exploded view showing a box body of a conventional paper packaging box.

FIG. 17 is an exploded perspective view of a conventional paper packaging box.

FIG. 18 is a longitudinal sectional view of a conventional paper packaging box.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Box main body 2 Bottom plate 3 Cover plate 3a Bending piece 3b Locking piece 4 Auxiliary side plate 5 Side plate 6 Side plate 6a Cut 6b Notch 7 Fold 8 Fold 8a Cut 9 Cut 10 End plate forming plate 11 Inner end plate 11a Support piece Notch 11d Notch 11e Supporting piece 12 Outer end plate 13 Upper end plate 14 Lower end plate 15 Sticking portion 16 End plate connecting frame 21 Box body 22 Bottom plate 23 Cover plate 23a Bending piece 23b Locking piece 24 Auxiliary side plate 25 Side plate 26 Side plate 26a Notch 26b Notch 27 Fold 28 Fold 28a Cut 29 Cut 30 End plate forming plate 31 Inner end plate 31a Support piece 31b Fold 31c Cut 31d Cut 31e Support piece 32 Outer end plate 33 Upper end plate 34 Lower end plate 35 Pasting End plate connection frame 41 Box body 42 Bottom plate 43 Cover plate 43a Bent piece 43b locking piece 44 auxiliary side plate 45 side plate 46 side plate 46a cut 46b notch 47 fold 48 fold 48a cut 49 cut 50 end plate forming plate 51 inner end plate 51a support piece 51b fold 51c fold 51d fold 51d fold 51d End plate 53 Upper end plate 54 Lower end plate 55 Adhering part 56 End plate connecting frame 60 Box body 61 Bottom plate 62 Side outer plate 63 Side inner plate 64 Side upper plate 65 End outer plate 66 End inner plate 67 End Upper plate 68 Lid 69 Lid plate 70 Side outer plate 71 Side inner plate 72 End outer plate 73 End inner plate

Claims (3)

(57) [Claims] 1. A paper packaging box comprising a box body provided with a pair of side plates and an end plate on four sides of a square bottom plate, and a lid for closing an open end of the box body, a side edge of the one side plate. An end plate forming plate having the same shape as the bottom plate is provided, a pair of end plate connecting frames are provided inside from both ends of the end plate forming plate, and an auxiliary side plate is provided on a side edge of the end plate forming plate. Board connection frame,
The end plate forming plate includes an upper end plate, an inner end plate, a lower end plate, an outer end plate, and an adhering portion which are connected in a pair from the both end edges to the inside through folds, and the inner end plate and the outer end are provided. The width between both side edges of the plate is set to the same width as the width between both side edges of the side plate,
In addition, the width between both side edges of the upper end plate and the lower end plate is set to the same width, and a pair of support pieces are provided outside the both end edges of the pair of inner end plates, respectively. The sticking portions of the end plate connecting frame are folded back to both end edges, and the sticking portions are stuck to the upper end plate, the end plate forming plate is folded to the upper surface of the bottom plate, and the auxiliary side plate is folded to the other side plate. The upper end of the pair of side plates is stood on the upper surface of the bottom plate, and the inner end plates of the pair of end plate connecting frames are folded back on the upper surface of the bottom plate. And the support piece is in contact with the inner surface of the side plate so that the inner end plate and the outer end plate stand upright at both end edges of the upper surface of the bottom plate to form a cylindrical end plate connecting frame. A paper packaging box characterized by the following. 2. The end plate connecting frame is provided with a pair of sticking portions provided outside the both end edges of the end plate forming plate from both end edges via a fold line, and folds inward from both end edges of the end plate forming plate. The upper end plate, the inner end plate, the lower end plate, and the outer end plate which are connected in a pair through the inner end plate and the outer end plate have a width between both side edges of the side plate. And the width between both side edges of the upper end plate and the lower end plate is set to the same width, and a pair of support pieces are provided outside the both end edges of the pair of inner end plates. 2. The paper packaging according to claim 1, wherein said end plate forming plate is formed by folding back at both end edges of said end plate forming plate, folding said outer end plate over said sticking portion and attaching said outer end plate. box. 3. An end plate connecting frame, wherein a pair of outer end plates and a sticking portion are provided from both side edges of the end plate forming plate to the outside via folds, and an inner side from both end edges of the end plate forming plate. The upper end plate, the inner end plate, and the lower end plate are connected in a pair through the fold, and the width between both side edges of the inner end plate and the outer end plate is the same as the width between both side edges of the side plate. The width is set, and the width between both side edges of the upper end plate and the lower end plate is set to the same width, and a pair of support pieces are provided outside both end edges of the pair of inner end plates, respectively. 2. The paper packaging box according to claim 1, wherein the outer end plate and the sticking portion are respectively folded at both end edges of the end plate forming plate, and the sticking portion is attached to the lower end plate.