JP3240946B2 - Stackable paper containers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a vegetable having a heavy weight.
The present invention relates to an improvement in stackable paper containers having left and right sides of an octagonal tray shape that can store fruits, easily baked bread, confectionery, and the like and stack them for truck transport, store display / sales, and the like.

[0002]

2. Description of the Related Art Conventionally, vegetables, fruits, breads, confectioneries, etc. are accommodated and stacked for truck transportation, store display, sale, etc., as shown in FIG. Front plate 30, front plate 40, lower oblique front plate 50, and bottom plate 6
0, a lower inclined rear panel 50, a rear panel 40, an upper inclined rear panel 30, and a rear upper panel 20 are sequentially connected via a fold line, and left and right side panels 70 each having a finger opening 72. A stackable paper container comprising: a front upper plate 20, an upper oblique front plate 30, a lower oblique front plate 50, a lower oblique rear plate 50, and an upper oblique rear plate 3;
0 and the left and right end portions of the rear upper surface plate 20 are vertically long locking holes a, b,
b, b, b, a, vertical locking holes c, c before and after the left and right ends of the bottom plate 60, and adhesive strips 62 on the left and right sides of the bottom plate 60, respectively, via fold lines d. The left and right side plates 70, 70 are provided with stacked locking projections e, e before and after the upper side, and appropriate stacked notches f, f before and after the lower side.
Are provided, and the lower portions of the left and right side plates 70, 70 are attached to the attachment pieces 62, 62 of the bottom plate 60 of the cover panel 10, respectively, so that the upper oblique front plate 30 and the lower oblique front plate 50 are attached.
The four corners of the left and right side plates 70, 70 are inserted into the respective locking holes b of the lower inclined rear plate 50 and the upper inclined rear plate 30. The respective stacking locking projections e of the left and right side plates 70 are inserted into the locking holes a of the front upper surface plate 20 and the rear upper surface plate 20 so as to cover each periphery, and are locked. Is a stackable paper container (see U.S. Pat. No. 5,116,200) having an octagonal tray shape.

[0003]

[0007] However, FIG.
For the stackable paper containers having an octagonal tray on the left and right sides as shown in FIG. 5, vegetables, fruits, bread, confectionery, etc. are accommodated in each of the locking holes c of the bottom plate 60 of the cover panel 10. The stacking locking projections e of the left and right side plates 70, 70 are inserted and locked through the locking holes a of the front upper surface plate 20 and the rear upper surface plate 20 so as not to shift. Can be stacked for truck transport, storefront display and sales, etc.
Although it is a stackable paper container that is easy to assemble and can be reused, when relatively heavy vegetables and fruits are stored, only the left and right side plates 70 support the vertical load. The problem is that it is difficult to transport trucks and store display / sales in a multi-tiered manner, and when breads and confectionery that are relatively easily damaged are stored,
Since the left and right sides are octagonal tray-shaped, the front plate 40
There is a problem in that a gap is formed between the housing and the rear plate 40, and the housing is easily moved and damaged by the impact in the front-rear direction.

Accordingly, an object of the present invention is to provide a vegetable / vegetable
Stores fruits and easily breakable bread and confectionery, and can be stacked for truck transport or store display / sales. The left and right sides are shaped as an 8-sided tray. It is an object of the present invention to provide a stackable paper container which is easy to assemble and can be reused, with enhanced impact resistance.

[0005]

As shown in FIGS. 1 and 2, a stackable paper container according to the present invention comprises a front upper plate 20, an upper oblique front plate 30, a front plate 40, and a lower oblique front plate 50. Bottom plate 60
Cover panel 10 in which the lower rear plate 50, the lower rear plate 40, the upper rear rear plate 30, and the rear upper plate 20 are sequentially connected via a fold line (a dashed line without a symbol; the same applies hereinafter).
And a left and right side plate 70, and a stackable paper container comprising a front panel 20 and a cover panel 10.
Locking holes a at the left and right ends of the upper oblique front plate 30, the lower oblique front plate 50, the lower oblique rear plate 50, the upper oblique rear plate 30 and the rear upper plate 20
・ B ・ b ・ b ・ ba ・ a, vertically long locking holes cc before and after the left and right ends of the bottom plate 60, Through each other,
Stacking and stopping protrusions e, e are provided before and after the upper side (the left side or the right side in FIG. 1) of the left and right side plates 70, and appropriate stacking notches are provided before and after the lower side (the right side or the left side in FIG. 1). f · f are provided, and left and right side plates 70, 70 are attached to the attachment pieces 62, 62 of the bottom plate 60 of the cover panel 10.
Paste the lower part (right or left in FIG. 1)
The four corners of the left and right side plates 70, 70 are inserted into the respective locking holes b of the upper oblique front plate 30, the lower oblique front plate 50, the lower oblique rear plate 50, and the upper oblique rear plate 30. Panel 1
0 covers the periphery of each of the left and right side plates 70, 70,
The respective locking holes a of the front upper surface plate 20 and the rear upper surface plate 20
The left and right side surfaces of the stackable paper container having the shape of an octagonal tray are inserted and fastened by inserting the respective stacking fastening projections e of the left and right side plates 70, 70 into the front upper surface plate 20 of the cover panel 10. On the rear side (lower side in FIG. 1), the front upper inner plate 21
And the front inner plate 41 and the front bottom inner plate 61 are sequentially connected via a fold line g and a valley fold line hi. Also, the front upper surface of the rear upper surface plate 20 (upper side in FIG. 1) has a rear upper surface. Inner plate 21 and rear inner plate 4
1 and the rear bottom inner plate 61 are sequentially connected via a fold line g and a valley fold line hi to form the front upper inner plate 21 and the front bottom inner plate 6.
This is a stackable paper container provided with locking holes a, c, a, c at the left and right ends of the rear upper inner plate 21 and the rear upper inner plate 61, respectively.

The stackable paper container according to the present invention comprises a front panel 20 and a front panel 20 of the cover panel 10 shown in FIGS.
A structure in which 20 and upper and lower inner plates 21 and 21 are removed;
That is, as shown in FIGS. 3 and 4, the front upper plate 20, the upper oblique front plate 30, the front plate 40, the lower oblique front plate 50, and the bottom plate 6
0, the lower rear panel 50, the rear panel 40, the upper rear panel 30, and the rear upper panel 20 from the cover panel 10 and the left and right side panels 70, 70, each of which is sequentially connected via a fold line. Stackable paper container comprising a cover panel 10
The front upper plate 20, the upper oblique front plate 30, and the lower oblique front plate 50
Lock holes a, b, b, b, b, and a are provided at left and right ends of the lower inclined rear plate 50, the upper inclined rear plate 30, and the rear upper plate 20, respectively. Vertically extending locking holes c and c are provided before and after the portion, respectively, and further, sticking pieces 62 are respectively provided on the left and right sides of the bottom plate 60 via the fold line d to form left and right side plates 70. 70 is provided with stacking locking projections e and e before and after the upper side (the left side or the right side in FIG. 3), respectively, and before and after the lower side (the right side or the left side in FIG. 3).
The stacked notches f, f are respectively provided, and then the lower portions of the left and right side plates 70, 70 (the right portion or the left portion in FIG. 3) are attached to the attachment pieces 62, 62 of the bottom plate 60 of the cover panel 10. ) Are attached, and the respective locking holes b of the upper oblique front plate 30, the lower oblique front plate 50, the lower oblique rear plate 50, and the upper oblique rear plate 30 are attached.
The cover panel 10 covers the periphery of each of the left and right side plates 70, 70 while inserting the four corners of the left and right side plates 70, 70 into the front top plate 20 and the rear top plate 20.
The left and right side surfaces are octagonal tray-shaped stackable paper containers, in which the respective left and right side plates 70, 70 are inserted and locked in the respective locking holes a. The central portion of the front upper plate 20 of the cover panel 10 is largely cut away, and the front inner plate 41 and the front bottom inner plate 61 are directly creased on the upper side (the lower side in FIG. 3) of the upper oblique front plate 30 by a fold line g.
And the valley fold line i, and the rear upper surface plate 2
0, the central part of the rear side inner plate 41 and the rear bottom inner plate 61 are directly creased on the upper side of the upper inclined rear surface plate 30 by a fold line g.
And a valley fold line i, and a vertically long locking hole c is formed at the left and right ends of the front bottom inner plate 61 and the rear bottom inner plate 61.
-Stackable paper containers provided with c respectively.

The stackable paper container of the present invention is shown in FIG.
5 and 6, the cover panel 10 and the left and right side plates 70 are integrally formed, that is, as shown in FIGS. 5 and 6, the front upper plate 20, the upper oblique front plate 30, the front plate 40, and the lower oblique plate. Front plate 50, bottom plate 60, lower inclined rear plate 50, and rear plate 4
0, the upper oblique rear plate 30 and the rear upper plate 20 are respectively provided on the left and right sides of the cover panel 10 and the bottom plate 60 of the cover panel 10 which are sequentially connected via the fold lines.
Plates 63, 63 provided continuously with the valley fold line j
And a stackable paper container comprising left and right side plates 70, 70. The cover panel 10 includes a front upper plate 20, an upper oblique front plate 30, a lower oblique front plate 50, and a lower oblique rear plate 50. Locking holes a are provided at the left and right ends of the upper inclined rear plate 30 and the rear upper plate 20.
b, b, b, and a, and vertically long locking holes cc before and after the left and right ends of the bottom plate 60 are formed on the upper side (the left side or the right side in FIG. 5) of the left and right side plates 70. The front and rear are provided with stacking locking projections e and e, and the lower and front sides are provided with stacking holes kk, respectively, so that the upper inclined front plate 30, the lower inclined front plate 50, the lower inclined rear plate 50, and the upper inclined Each locking hole b with the face plate 30
Then, the four corners of the left and right side plates 70, 70 are inserted, and the periphery of each of the left and right side plates 70, 70 is covered with the cover panel 10, and the connection between the front upper surface plate 20 and the rear upper surface plate 20 is made. In a stackable paper container having left and right side faces in the form of an octagonal tray, the stacking and locking projections e of the left and right side plates 70, 70 are inserted into and locked in the stop holes a. Rear side of upper surface plate 20 (lower side in FIG. 5)
In addition, the front upper inner plate 21, the front inner plate 41, and the front lower inner plate 61 are sequentially connected via a fold line g and a valley fold line hi.
Also, the rear upper inner plate 21, the rear inner plate 41, and the rear lower inner plate 61 are fold lines g on the front side (the upper side in FIG. 5) of the rear upper surface plate 20.
And the valley fold line hi are connected in sequence, and the front upper surface inner plate 21, the front bottom surface inner plate 61, the rear upper surface inner plate 21, and the rear bottom surface inner plate 6
1 are stackable paper containers provided with locking holes a, c, a, c at the left and right end portions of the paper container.

[0008] In addition, the stackable paper container of the present invention comprises:
As shown in FIGS. 1, 2, 5, and 6, between the front upper plate 20 and the front upper inner plate 21 and between the rear upper plate 20 and the rear upper inner plate 21 of the cover panel 10. And a stackable paper container provided with notches 22 for opening expansion.

In addition, as shown in FIGS. 5 and 6, the stackable paper container of the present invention includes
This is a stackable paper container provided with a plurality of fold line-shaped reinforcing vertical grooves 42 on the entire surface of the front inner plate 41 and the entire surface of the rear inner plate 41, respectively.

[0010]

According to the stackable paper container of the present invention, in the stackable paper container similar to the above-mentioned conventional one in which the left and right sides are formed in the shape of an octagonal tray, the stackable paper container is provided on the rear side of the front upper plate 20 of the cover panel 10. The front upper inner plate 21, the front inner plate 41, and the front lower inner plate 61 are sequentially connected via a fold line g and a valley fold line hi in order. Upper inner plate 2
1, a rear inner plate 41 and a rear lower inner plate 61 are sequentially connected via a fold line g and a valley fold line hi to form a front upper inner plate 21, a front lower inner plate 61 and a rear upper surface. Plate 21 and rear bottom inner plate 6
By providing vertically long locking holes a, c, a, c at the left and right ends with respect to 1, respectively, the crease lines g, g are folded in a mountain (the printed outer surface side becomes a mountain; the same applies hereinafter). Further, the valley fold line h · hi · i · i is valley-folded (the printed outer surface side becomes a valley; the same applies hereinafter), and the front upper inner plate 21 and the front inner plate 41 are folded.
And the front bottom inner plate 61, and the rear upper inner plate 21, the rear inner plate 41, and the rear bottom inner plate 61 are folded into the upper oblique front plate 30, the lower oblique front plate 50 and the lower oblique front plate 50 as in the conventional case. Beveled rear panel 50
The respective four corners of the left and right side plates 70, 70 are inserted into the respective locking holes b of the upper inclined rear surface plate 30, and the periphery of each of the left and right side plates 70, 70 is covered with the cover panel 10. The stacking locking projections e of the left and right side plates 70, 70 are respectively provided in the locking holes a of the front upper surface plate 20 and the rear upper surface plate 20, and the front upper inner plate 21 and the rear upper inner plate 21 When inserted and locked through each locking hole a, FIG.
As shown in the figure, the upper oblique front plate 30, the front plate 40, the lower oblique front plate 50, and the front inner plate 41, and the upper oblique rear plate 30, the rear plate 40, the lower oblique rear plate 50, and the rear inner plate 41, However, laterally trapezoidal buffer gaps 11 are formed before and after the cover panel 10.

That is, in the stackable paper container of the present invention, when relatively heavy vegetables and fruits are stored, the buffer gaps 11 are formed in addition to the left and right side plates 70. Since the front inner plate 41 and the rear inner plate 41 support the load in the vertical direction, truck transportation or store display / sales in a multi-tiered manner is easy and relatively easily damaged. When bread and confectionery are stored, even if the left and right sides are octagonal tray-shaped, the front inner plate 41 and the rear inner plate 41 forming the buffer gaps 11 are provided.
Since the tongue holds down the contents without any gaps, and because the shock-absorbing gaps 11 and 11 absorb the impact in the front-rear direction, the contents are hard to be damaged without moving, and the heavy vegetables and Stores fruits and easily breakable bread and confectionery, and can be stacked for truck transport or store display / sales. The left and right sides are shaped as an 8-sided tray. A stackable paper container having enhanced impact resistance can be provided.

Further, in the stackable paper container of the present invention, the stackable paper container having the left and right sides in the form of an octagonal tray as in the above-described conventional case is provided.
The front inner plate 41 and the front bottom inner plate 61 are formed by notching a central portion of the front upper plate 20 so as to be directly cut on the upper side of the upper oblique front plate 30.
Are successively provided via the fold line g and the valley fold line i,
Also, the central portion of the rear upper surface plate 20 is largely cut out, and the rear inner plate 41 and the rear lower surface inner plate 61 are directly formed on the upper side of the upper inclined rear surface plate 30.
Are successively provided via the fold line g and the valley fold line i,
At the left and right ends of the front bottom inner plate 61 and the rear bottom inner plate 61,
By providing the vertically long locking holes c and c, respectively, the crease lines g and g are mountain-folded, and the valley fold lines ii are valley-folded to form the front inner plate 41 and the front bottom inner plate 61. Into the
Further, when the rear inner plate 41 and the rear bottom inner plate 61 are folded and assembled in a conventional manner, as shown in FIG. 4B, the upper inclined front plate 30, the front plate 40, the lower inclined front plate 50, and the front inner plate 41, an upper inclined rear panel 30, a rear panel 40, and a lower inclined rear panel 50
And the rear inner plate 41 form laterally trapezoidal buffer gaps 11, 11 before and after the cover panel 10,
When storing relatively heavy vegetables and fruits,
In addition to the left and right side plates 70, 70, buffer gaps 11
Since the front inner plate 41 and the rear inner plate 41 forming the vertical support the vertical load, it is easy to transport trucks in multiple stages, store display / sales, etc., and are relatively damaged. When breads and confections that are easy to store are stored, even if the left and right side surfaces are in the shape of an octagonal tray, the buffer gap 11
Because the front inner plate 41 and the rear inner plate 41 that form 11 hold the contents without any gap, and the shock absorbing gaps 11 absorb the shock in the front-rear direction, the contents do not move. It is hard to break.

In particular, in the stackable paper container of the present invention, the cover panel 10 shown in FIGS. 1 and 2 has a structure in which the front and rear upper plates 20 and 20 and the front and rear upper inner plates 21 are removed. That is, the front upper plate 20 of the cover panel 10
The front inner plate 41 and the front bottom inner plate 61 are directly connected to the upper side of the upper oblique front plate 30 via the fold line g and the valley fold line i. Top plate 20
The central portion of the rear side inner plate 41 and the rear bottom inner plate 61 are directly connected to the upper side of the upper inclined rear surface plate 30 in order through the fold line g and the valley fold line i. Of the upper surface plate 20 and the upper and lower inner plates 21
Not only can paper materials be saved, but also
As shown in FIG. B, it is possible to open almost the entire upper surface of the stackable paper container without weakening the enhanced vertical load resistance and the front-rear direction impact resistance, so that a heavy vegetable It can store fruits and easily breakable bread and confectionery, stack them for truck transportation, store display and sales, etc. The left and right sides are octagonal tray shaped, easy to take out the contents In the case of storefront display / sales in a multi-tiered manner, a stackable paper container in which the contents can be viewed from the upper gap between the front and rear upper slope plates 30 can be provided.

In the stackable paper container of the present invention, the cover panel 10 shown in FIG.
In a stackable paper container in which left and right sides are formed in an octagonal tray shape, the front and rear inner plates 21 and 21 of the cover panel 10 are formed integrally with each other. The fold line g and the valley fold line h
And i are connected in sequence, and on the front side of the rear upper surface plate 20, a rear upper surface inner plate 21, a rear surface inner plate 41, and a rear lower surface inner plate 61 are folded along a fold line g and a valley fold line hi. The front upper surface inner plate 21, the front bottom surface inner plate 61, the rear upper surface inner plate 21, and the rear bottom surface inner plate 61 are provided at the left and right ends of the front upper surface inner plate 21, the front lower surface inner plate 61, and the rear lower surface inner plate 61, respectively.
By providing c, a, c, respectively, as shown in FIG. 2B and FIG.
0, the lower oblique front plate 50, and the front inner plate 41, and the upper oblique rear plate 30, the rear plate 40, the lower oblique rear plate 50, and the rear inner plate 41 are provided with a trapezoidal cushion in a horizontal direction before and after the cover panel 10. The left and right side plates 70 are formed to form the gaps 11 and to store relatively heavy vegetables and fruits.
In addition to 70, the front inner plate 41 and the rear inner plate 41 that form the buffer gaps 11 support the load in the vertical direction. When bread and confectionery, etc., which are relatively easy to break, are stored, even if the left and right sides are in the shape of an octagonal tray, the inside of the front surface forming the buffer gap 11 Since the plate 41 and the inner plate 41 on the rear surface hold the contents without a gap, the impact in the front-rear direction is also reduced.
・ Since the 11 absorbs, similarly, it is difficult for the stored material to move and to be damaged.

In particular, in the stackable paper container of the present invention, the cover panel 10 shown in FIG.
70 are integrally formed, that is, on the left and right sides of the bottom plate 60 of the cover panel 10, the left and right side plates 70.
70 are connected to each other via a fold line d, a fold plate 63 and a valley fold line j, so that the above-described pasting pieces 62 of the bottom plate 60 of the cover panel 10 are attached.
In addition, the step of attaching the lower portions of the left and right side plates 70 and 70 can be omitted (the lower portions of the left and right side plates 70 and 70 are also strengthened), and the vegetables and fruits having a heavy weight can be omitted. It can store and store bread and confectionery items that are easily damaged, and can be stacked for truck transport and store display / sales. The left and right sides are shaped like an 8-sided tray. It is possible to provide a stackable paper container in which the impact resistance is enhanced and the process is simple.

In addition, in the stackable paper container of the present invention, the cover panel 10 shown in FIGS. 1 and 5 is provided between the front upper plate 20 and the front upper inner plate 21 and between the rear upper plate 20 and the rear upper surface. By providing the notches 22 for opening expansion between the inner plate 21 and the inner plate 21, as shown in FIGS. 2A and 6, the load resistance in the vertical direction and the shock resistance in the front-rear direction are not reduced. In addition, it is possible to provide a stackable paper container in which the upper opening of the stackable paper container can be expanded, so that the contents can be easily taken out.

In addition, in the stackable paper container of the present invention, a plurality of fold line-shaped reinforcements are provided on the entire surface of the front inner plate 41 and the entire surface of the rear inner plate 41 of the cover panel 10 shown in FIG. By providing the vertical grooves 42 for each, it is possible to reinforce the front inner plate 41 and the rear inner plate 41 supporting the load in the vertical direction, which form the buffer gaps 11 described above, A stackable paper container having excellent load resistance in the direction can be provided.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION A stackable paper container of the present invention is prepared by a punching process using a normal punching die using an appropriate printed paperboard or the like, as shown in Examples described later. Then, a stackable paper container blank with no waste as shown in FIGS. 1 and 3 is manufactured, and a single stackable paper container blank with a simple process shown in FIG. 5 is manufactured. Then, the front upper inner plate 21, the front inner plate 41, and the front lower inner plate 61 (or the front inner plate 41 and the front lower inner plate 61) are folded by a simple manual operation, and the rear upper inner plate 21 and the rear inner plate 41 and the rear inner plate 61 (or the rear inner plate 41 and the rear inner plate 61) are folded in, and the assembling process similar to the related art is performed.
This is a stackable paper container shown in FIGS. 2A, 4A, and 6 which can be assembled in an octagonal tray shape on the left and right sides, is easy to assemble, and inexpensive to manufacture.

The stackable paper container according to the present invention will be described with reference to FIGS.
The front upper plate 20 and the front upper inner plate 21 (or the front upper plate 20) of the stackable paper container shown in FIG.
(Or the rear upper plate 20) is strongly peeled upward and rearward, so that it can be easily flattened before assembling, as in the conventional stackable paper container shown in FIG. Can be returned to the state of storage
It is a stackable paper container that can be assembled and reused any number of times, such as by storing the contents again.

[0020]

【Example】

<First Embodiment> FIG. 1 is a plan view of a stack of stackable paper containers in a first embodiment of the present invention. FIG. 2A
FIG. 2 is a perspective view of a stackable paper container in Embodiment 1 of the present invention, and FIG. 2B is a cross-sectional view of the stackable paper container.

That is, the front inner plate 61 and the front inner plate 41
, Front upper inner plate 21, front upper plate 20, upper oblique front plate 30, front plate 40, lower oblique front plate 50, bottom plate 60, and lower oblique rear plate 5
0, the rear plate 40, the upper inclined rear plate 30, the rear upper plate 20, the rear upper inner plate 21, the rear inner plate 41, and the rear lower inner plate 61; Are sequentially connected via a fold line, a fold line g, and a valley fold line hi, which are not denoted by the reference numerals, and the front bottom inner plate 61, the front upper inner plate 21, the front upper plate 20, and the upper oblique front plate 30 , Lower oblique front plate 50, lower oblique rear plate 50, upper oblique rear plate 30, rear upper plate 20, and rear upper inner plate 21
The left and right end portions of the inner plate 61 and the rear bottom surface are provided with vertically long locking holes c, a, a, b, b, b, b, a, a, and c, respectively. At the front and rear ends of the left and right ends of the base plate 60, longitudinally-long locking holes c and c are provided at the central portion, and the attachment pieces 62 are continuously provided on the left and right sides of the bottom plate 60 via the fold line d. And a cover panel 10 provided with opening notches 22 between the front upper surface plate 20 and the front upper surface inner plate 21 and between the rear upper surface plate 20 and the rear upper surface inner plate 21. Before and after the upper side (left side or right side in FIG. 1),
Inverted U-shape in which both vertical parts are bulged (in FIG. 1, horizontal U-shape in which both horizontal parts are bulged) is provided,
In addition, right and left side plates 70 and 70 each having a finger hooking opening 72 are provided with stacked notches f and f of inverted U-shape (horizontal U-shape in FIG. 1) before and after the lower side (right side or left side in FIG. 1). 7
0, which is a stackable paper container blank as shown in FIG. 1 and which is made of a normally printed 370 g / m ² double-sided cardboard provided with water resistance and oil resistance. In the punching process used, the container for storing event cakes that are easily damaged is 175 x 245 in length, width, and depth.
A rectangular stackable paper container blank having a size of × 82 mm and having no waste in Example 1 of the present invention was produced.

Next, the eight unsigned fold lines and the fold lines d, d, g and g of the cover panel 10 of the stack of paper containers shown in FIG. The folding lines h, h, i, and i are valley-folded, and the left and right side plates 70 are attached to the attachment pieces 62, 62 of the bottom plate 60 of the cover panel 10.
After mechanically attaching the lower portion (the right portion or the left portion in FIG. 1) of each of the 70, the front upper inner plate 21, the front inner plate 41, and the front bottom inner plate 61 are folded by a simple manual operation. In addition, the rear upper inner plate 21, the rear inner plate 41, and the rear bottom inner plate 61 are folded and the cake for an event which is easily broken is provided on the upper surfaces of the bottom inner plates 61 and 61 and the bottom plate 60 before and after the folding. After the pieces are placed and accommodated, the upper oblique front plate 30, the lower oblique front plate 50, the lower oblique rear plate 50, and the upper oblique rear plate 3 are assembled in the same assembling process as before.
0, the left and right side plates 70, 70
While inserting each of the four corners, cover the periphery of each of the left and right side plates 70 and 70 with the cover panel 10, and in the respective locking holes a of the front upper plate 20 and the rear upper plate 20,
The respective stacking locking projections e of the left and right side plates 70, 70
2A is inserted and fixed through the respective locking holes a of the front upper surface inner plate 21 and the rear upper surface inner plate 21, and the left and right side surfaces shown in FIG. A stackable paper container in Example 1 was produced.

Subsequently, in the stackable paper containers shown in FIG. 2A, another locking hole c is formed between the bottom plate 60 of the cover panel 10 and the bottom inner plates 61 before and after being folded. Left and right side plates 7 of the stackable paper container shown in FIG. 2A.
0 and 70, respectively.
0, the front upper inner plate 21, the rear upper plate 20, and the rear upper inner plate 21 are inserted and locked (through respective locking holes a), and the left and right side plates 70, 70 are respectively stacked and cut. The notches ff help the insertion of the respective stacking locking projections e of the other left and right side plates 70, 70 so that they can be stacked so as not to be displaced. A stackable paper container that can be displayed and sold in stores and that is easy to assemble and stack is obtained.

The front upper plate 20 and the front upper inner plate 2 of the stackable paper container shown in FIG. 2A, which are fixed by inserting the stacking fixing projections e of the left and right side plates 70, 70, respectively.
1 and the upper upper surface plate 2
0 and the rear upper inner plate 21 were strongly peeled upward and rearward, and the respective stacking locking projections e and the respective locking holes a
Can be easily returned to the flat state before assembly.After placing and storing cakes for events that are easily damaged again, assemble and reassemble any number of times. A usable stackable paper container is obtained.

In the stackable paper container shown in FIG. 2A of this embodiment, the upper inclined front plate 30, the lower inclined front plate 50, the lower inclined rear plate 50, and the upper inclined rear plate are assembled in the same assembling process as in the prior art. 30 and the right and left side plates 70 and 7
0 while inserting the four corners of the cover panel 10.
Cover the periphery of each of the left and right side plates 70, 70 with
The respective locking holes a of the front upper surface plate 20 and the rear upper surface plate 20
When the stacking locking projections e of the left and right side plates 70, 70 are inserted and locked through the locking holes a of the front upper inner plate 21 and the rear upper inner plate 21, FIG. 2B, the upper oblique front plate 30, the front plate 40, and the lower oblique front plate 5
0 and the front inner plate 41, and the upper inclined rear plate 30 and the rear plate 4
0, the lower inclined rear plate 50, and the rear inner plate 41 form a trapezoidal gap 11 in a laterally trapezoidal shape before and after the cover panel 10, and accommodate relatively heavy vegetables, fruits and the like. In addition, in addition to the left and right side plates 70, 70,
Since the front inner plate 41 and the rear inner plate 41 forming the buffer gaps 11 support the load in the vertical direction, truck transportation or store display / sales in multiple stages is easy. In particular, when cakes for events that are easily damaged are stored, the front inner plate 41 and the rear inner plate 41 forming the buffer gaps 11 are stored even if the left and right side surfaces are in the shape of an octagonal tray. Because the objects are pressed down without any gaps, and the shocks in the front-back direction are absorbed by the shock-absorbing gaps 11, the stored items are hard to be damaged without moving, and are heavy vegetables and fruits. Stores delicate breads and confectioneries and stacks them for truck transport or store display / sales. Eight-sided tray-shaped left and right sides. Load resistance in the vertical direction and shock resistance in the front and rear direction. Easy to assemble and reusable stack Possible paper container was obtained.

In addition, in the stackable paper container of the present embodiment, the opening is expanded between the front upper plate 20 and the front upper inner plate 21 and between the rear upper plate 20 and the rear upper inner plate 21. 2A, the upper opening of the stackable paper container is expanded without weakening the vertical load resistance and the front-rear impact resistance as shown in FIG. 2A. A stackable paper container that facilitates removal of cakes for use was obtained.

In addition, in the stackable paper container of this embodiment, the front bottom inner plate 61, the front upper inner plate 21, the front upper plate 20, the upper oblique front plate 30, the lower oblique front plate 50, and the lower oblique front plate 50. Rear plate 50, upper inclined rear plate 30, rear upper plate 20, and rear upper inner plate 2
At the left and right end portions of the inner bottom plate 61 and the rear bottom inner plate 61, the central portion is provided with a vertically long locking hole c, a, a, b, b, b, b, a, a, c, respectively. Before and after the left and right ends of the face plate 60,
By providing the vertically long locking holes c at the center, the upper inclined front panel 3 can be assembled in the same assembling process as before.
0, lower inclined front panel 50, lower inclined rear panel 50, and upper inclined rear panel 30
It is easy to insert the four corners of the left and right side plates 70, 70 into the respective locking holes b, and the respective locking holes a of the front upper surface plate 20 and the rear upper surface plate 20. , The respective stacking locking projections e of the left and right side plates 70, 70,
It is easy to insert the front upper surface inner plate 21 and the rear upper surface inner plate 21 through the respective locking holes a. Further, at the time of stacking, the bottom surface plate 60, the front bottom surface inner plate 61, and the rear bottom surface inner plate 61 It is easy to insert the respective stacking locking projections e of the left and right side plates 70, 70 into the respective locking holes c. Are provided, and the stacked locking projections e, which are inserted once, are securely locked to the respective locking holes a, c. Thus, a stackable paper container that is easy to assemble and stack and that can be stacked with certainty was obtained.

<Embodiment 2> FIG. 3 is a plan view of a stack of stackable paper containers in Embodiment 2 of the present invention, and FIG. 4A is a perspective view of stackable paper containers in Embodiment 2 of the present invention. FIG. 4B is a sectional view of a stackable paper container.

The blank of the stackable paper container of this embodiment has a structure in which the front and rear upper plates 20 and the front and rear upper plates 21 of the cover panel 10 shown in FIGS. 1 and 2 are removed. That is, the front bottom inner plate 61, the front inner plate 41, the upper oblique front plate 30, the front plate 40, the lower oblique front plate 50, and the bottom plate 60
, The lower oblique rear plate 50, the rear oblique plate 40, the upper oblique rear plate 30, the rear inner plate 41, and the rear lower inner plate 61, respectively, by forming a valley fold line i, a fold line g, and a fold line without six signs A line g and a valley fold line i are sequentially connected to each other.
At the left and right ends of the upper side of FIG. 0 (the lower side in FIG. 3), the front upper surface plate 20 having a large notch at the center is continuously provided via a fold line g. After the central portion is largely cut off, the upper surface plate 20 is continuously provided through the fold line g, and the front bottom inner plate 61, the front upper surface plate 20, the upper inclined front plate 30, the lower inclined front plate 50, and the lower inclined plate At the left and right ends of the face plate 50, the upper inclined rear plate 30, the rear upper plate 20, and the rear bottom inner plate 61, vertically long locking holes c, a, b, b, b, b, a, c are respectively provided. Vertical locking holes c are provided before and after the left and right ends of the bottom plate 60, respectively.
The cover panel 10 in which the sticking pieces 62 are respectively connected to the left and right sides via the fold line d, and an inverted U-shape (horizontal U-shape in FIG. 3) before and after the upper side (the left side or the right side in FIG. 3). ) Are provided, and before and after the lower side (the right side or the left side in FIG. 3), inverted U-shaped (horizontal U-shaped in FIG. 3) notches f and f are respectively formed. A stackable paper container blank as shown in FIG. 3, comprising left and right side plates 70, 70, and 370 g / m3 of normal printing.
² (the left and right side plates 70 and 70 are 620 g / m ² ), using a double-sided cardboard with water and oil resistance, in a punching process using a normal punching die, for an event that is easily damaged. The height, width, and depth of the storage section for storing cakes is 175 x 24.
A 5 × 82 mm blank stackable paper container blank in Example 2 of the present invention was prepared.

Next, the six unsigned fold lines and the fold lines d, d, g, g of the cover panel 10 of the stack of paper containers shown in FIG. As in the first embodiment, the folding lines i and i are folded in valleys, and the lower portions of the left and right side plates 70 and 70 (right in FIG. 3) are attached to the attachment pieces 62 and 62 of the bottom plate 60 of the cover panel 10. Part or left part), the front inner plate 41 and the front bottom inner plate 61 are folded in by simple manual work, and the rear inner plate 4
1 and the rear bottom inner plate 61 are folded, and cakes for easily breakable events are placed and stored on the upper surfaces of the bottom inner plates 61 and 61 and the bottom plate 60 before and after the folding. Example 1
In the same assembling process, the upper oblique front plate 30 and the lower oblique front plate 5
The cover panel 10 inserts the four corners of the left and right side plates 70, 70 into the respective locking holes b of the rear plate 50, the lower inclined rear plate 50, and the upper inclined rear plate 30.
70, and the left and right side plates 70.
The stacking and locking protrusions e of each of the 70 were inserted and locked to produce a stackable paper container according to the second embodiment of the present invention in which the left and right sides shown in FIG.

Subsequently, in the stackable paper containers shown in FIG. 4A, another fastening hole c is formed in each of the bottom plate 60 of the cover panel 10 and the bottom inner plates 61 before and after being folded. Left and right side plates 7 of the stackable paper container shown in FIG. 4A.
When the stacking projections e of each of the right and left side plates 70 and 70 are inserted and locked, the respective notches f and f of the left and right side plates 70 and 70 become the other left and right side plates 70 and 70, respectively.
It can be stacked without misalignment in the same manner as in the first embodiment by assisting the insertion of the respective stacking locking projections e, and can be stacked for truck transport, storefront display / sales, etc. A stackable paper container that is easy to stack was obtained.

Further, in the stackable paper container shown in FIG. 4A, the front upper plate 20 which is fastened by inserting the respective stacking locking projections e of the left and right side plates 70, 70 is strongly peeled upward and forward. Then, when the rear upper surface plate 20 was strongly peeled upward and rearward, the locking between the respective stacking locking projections e and the respective locking holes a was released, and the assembly was easily performed in the same manner as in the first embodiment. A stackable paper container that can be returned to its previous flat state and that can be assembled and reused any number of times after placing and storing easily breakable event cakes is obtained. .

In the stackable paper container shown in FIG. 4A of this embodiment, when assembled in the same manner as in Embodiment 1 and in the same manner as in Embodiment 1, as shown in FIG. Face plate 30, front plate 40, lower oblique front plate 50, and front inner plate 4
1 and the upper inclined rear plate 30, the rear plate 40, the lower inclined rear plate 50, and the rear inner plate 41 form laterally trapezoidal buffer gaps 11 and 11 in front of and behind the cover panel 10. When storing relatively heavy vegetables, fruits, etc., in addition to the left and right side plates 70, 70, the buffer gap 11
Since the front inner plate 41 and the rear inner plate 41 forming 11 support the load in the vertical direction, as in the case of the first embodiment, the trucks can be easily stacked in multiple stages, and can be easily displayed and sold in stores. In the case where cakes for an event that is particularly easily damaged are stored, even if the left and right sides are in the shape of an octagonal tray, the front inner plate 41 and the rear inner plate 41 that form the buffer gaps 11 are provided. The first and second members hold the object without any gaps, and the buffering gaps 11 absorb the impact in the front-rear direction. Therefore, as in the first embodiment, the objects are less likely to be damaged without moving. .

In particular, in the stackable paper container of this embodiment, the front and rear upper plates 20 and the front and rear inner plates 21 of the cover panel 10 shown in FIGS. 1 and 2 are removed. The structure, that is, the front bottom inner plate 61, the front inner plate 41, the upper oblique front plate 30, the front plate 40, the lower oblique front plate 50, the bottom plate 60, the lower oblique rear plate 50, the rear plate 40, and the upper oblique rear plate 30 And the rear inner plate 41 and the rear inner plate 61 are sequentially connected via a valley fold line i, a fold line g, a fold line without six signs, a fold line g, and a valley fold line i, respectively. By
In addition to saving the paper material cost of the front and rear upper plates 20 and the front and rear inner plates 21, Embodiment 1
Unlike vegetables and fruits, which can open almost the entire top of stackable paper containers without weakening the enhanced vertical load resistance and front-back impact resistance, It can store bread and confectionery, which are easily damaged, and can be stacked for truck transport or store display / sales. The left and right sides are octagonal tray-shaped. In the case of multi-tiered store display / sales, etc., a stackable paper container in which the contents can be viewed from the gaps above the front and rear upper sloping plates 30 was obtained.

Third Embodiment FIG. 5 is a plan view of a stack of stackable paper containers according to a third embodiment of the present invention.
FIG. 6 is a perspective view of a stackable paper container according to the third embodiment of the present invention.

The stack of stackable paper containers of this embodiment is made up of a cover panel 10 shown in FIG.
70 are integrally formed, that is, the front bottom inner plate 61, the front inner plate 41, the front upper inner plate 21, the front upper plate 20, the upper oblique front plate 30, the front oblique plate 40, and the lower oblique front plate 50 The bottom plate 60, the lower inclined rear plate 50, the rear plate 40, the upper inclined rear plate 30, the rear upper plate 20, the rear upper inner plate 21, the rear inner plate 41, and the rear lower inner plate 61 are each formed by a valley fold line i · h, fold line g, fold line without eight signs, fold line g, and valley fold line h
i, the front bottom inner plate 61, the front upper inner plate 21, the front upper plate 20, the upper inclined front plate 30, the lower inclined front plate 50, the lower inclined rear plate 50, and the upper inclined rear plate. Face plate 30 and rear top plate 2
0, at the left and right ends of the rear upper surface inner plate 21 and the rear lower surface inner plate 61,
Vertical locking holes c, a, a, b, b, b, b, a, a, c
And longitudinally extending locking holes c and c are provided before and after the left and right ends of the bottom plate 60, respectively, and in addition, between the front upper plate 20 and the front upper inner plate 21 and the rear upper plate 20. An opening extending notch 22 is provided between the front inner plate 21 and the rear upper inner plate 21, and a plurality of fold line-shaped reinforcing vertical grooves are formed on the entire front inner plate 41 and the entire rear inner plate 41. The cover panel 10 provided with the respective 42, and the inverted locking U-shaped (horizontal U-shaped in FIG. 5) stacking locking projections e and e are provided before and after the upper side (the left side or the right side in FIG. 5). Vertically stacked holes kk are provided before and after the lower side (the right side or the left side in FIG. 5), and the fold line d, the folded plate 63, and the valley fold line j are respectively provided on the left and right sides of the bottom plate 60 of the cover panel 10.
5. A stackable paper container blank shown in FIG. 5 comprising left and right side plates 70 and 70 having finger-holding openings 72 connected continuously through
of m ^2, using a backing kraft cardboard which impart water resistance, with higher hit抜工using conventional cutting die, to accommodate the fresh tufted grapes with weight, length, width, and depth of the housing part Saga 1
A 75 × 245 × 82 mm single-stackable paper container blank of Example 3 of the present invention, which was a simple process, was prepared.

Next, the eight unsigned fold lines and the fold lines d and d of the stack of paper containers shown in FIG.
・ G ・ g is folded in a mountain and valley fold line h ・ hi ・ i ・ i
・ J ・ j is folded in a valley, and the folded plate 6 is formed by a simple manual operation.
3 and 63 are folded back and overlapped on the bottom plate 60 (both may be adhered using an adhesive), and the front upper inner plate 21, the front inner plate 41, and the front lower inner plate 61 are folded, and Upper inner plate 2
1 and the rear inner plate 41 and the rear bottom inner plate 61 are folded in, and in the same assembling process as in the first and second embodiments, the upper inclined front plate 30
The right and left sides of the left and right side plates 70, 70 are inserted into the respective locking holes b of the lower and upper inclined front plates 50, the lower inclined rear plate 50, and the upper inclined rear plate 30, and Each of the left and right side plates 70, 70 has a stacking locking projection e in each of the locking holes a of the front upper surface plate 20 and the rear upper surface plate 20,
After inserting and locking the front upper inner plate 21 and the rear upper inner plate 21 through the respective locking holes a and holding heavy fresh tufted grapes, the left and right grapes shown in FIG. A stackable paper container according to the third embodiment of the present invention having an octagonal tray was manufactured.

Subsequently, in the stackable paper containers shown in FIG. 6, another securing hole c is formed between the bottom plate 60 of the cover panel 10 and the bottom inner plates 61 before and after being folded. Left and right side plates 70 of the stackable paper container shown in FIG.
When each of the stacking locking projections e of 70 is inserted and locked, each of the stacking holes kk of the left and right side plates 70, 70 becomes the respective left and right side plates 70, 70. As with the first and second embodiments, it is possible to stack the stacking protrusions e without slippage by assisting the insertion of the stacking locking projections e. The stacking can be performed for truck transportation, store display / sales, and the like. And a paper container which can be easily stacked.

The stackable paper containers shown in FIG.
The respective stacking locking projections e of the left and right side plates 70, 70
Where the front upper surface plate 20 and the front upper surface inner plate 21 were strongly peeled upward and forward, and the rear upper surface plate 20 and the rear upper surface inner plate 21 were strongly peeled upward and rearward. The locking between the respective stacking locking projections e and the respective locking holes a is released, and the flat state before the assembly can be easily returned, similarly to the first and second embodiments. Thus, after reassembly, a stackable paper container was obtained that could contain and recycle fresh tufted grapes any number of times.

In the stackable paper container shown in FIG. 6 of this embodiment, when assembled in the same manner as in Embodiments 1 and 2 and in the same manner as in Embodiment 1 (see FIG. 2B).
The upper oblique front plate 30, the front plate 40, the lower oblique front plate 50, and the front inner plate 41, and the upper oblique rear plate 30, the rear plate 40, the lower oblique rear plate 50, and the rear inner plate 41 are connected to the cover panel 10 To form a laterally trapezoidal cushioning gap 11 before and after, especially when a heavy fresh tufted grape is stored, in addition to the left and right side plates 70
Since the front inner plate 41 and the rear inner plate 41 forming 1.11 support the load in the vertical direction, the first embodiment and the second embodiment are performed.
In the same way as in
When breads and confectioneries that are easy to sell and are relatively easily damaged are stored, even if the left and right sides are in the shape of an octagonal tray, the front surface that forms the buffer gaps 11 Since the inner plate 41 and the inner plate 41 on the rear surface hold the contents without a gap, the shock in the front-rear direction can be reduced.
As in the first and second embodiments, the container 1 does not move and is hardly damaged due to absorption by the first member.

In particular, in the stackable paper container of the present embodiment, the cover panel 10 shown in FIG.
0, 70 are integrally formed, that is, the left and right side plates 70, 70 having finger hooking openings 72 on the left and right sides of the bottom plate 60 of the cover panel 10 are folded along the fold line d, the folded plate 63, and the valley fold, respectively. Unlike the first and second embodiments, the adhesive strip 6 on the bottom plate 60 of the cover panel 10 is different from the first and second embodiments by being connected via the line j.
The step of attaching the lower part of each of the left and right side plates 70, 70 to 2.62 can be omitted, and contains heavy vegetables, fruits, easily baked bread, confectionery, etc. Stackable paper with octagonal trays on the left and right sides that can be stacked for truck transport, store display and sales, etc., also with enhanced vertical load resistance and front-rear impact resistance. A container was obtained.

In addition, in the stackable paper container of the present embodiment, similarly to Embodiment 1, the space between the front upper plate 20 and the front upper inner plate 21 and the rear upper plate 20 and the rear upper inner plate 21 6, the opening expansion notches 22 are provided between the paper containers. As shown in FIG. 6, the paper containers can be stacked without weakening the load resistance in the vertical direction and the shock resistance in the front-rear direction. A stackable paper container with an expanded upper opening for easy storage and removal of fresh tufted grapes was obtained.

In addition, in the stackable paper container of this embodiment, a plurality of fold line-shaped reinforcing vertical grooves 42 are provided on the entire surface of the front inner plate 41 and the entire surface of the rear inner plate 41, respectively. Thereby, the above-mentioned buffer gaps 11 are formed, the front inner plate 41 supporting the vertical load and the rear inner plate 41 supporting the vertical load are reinforced, and the stackable paper excellent in the vertical load resistance is further improved. A container was obtained.

The stackable paper containers of the present embodiment need to have appropriate air permeability and water permeability to accommodate fresh tufted grapes, as shown in FIGS. As described above, the front bottom inner plate 61, the bottom plate 60, and the rear bottom inner plate 61 are provided with a plurality of ventilation / water holes without circular signs.

[0045]

As described above, according to the operation and the embodiment, in the stackable paper container of the present invention, in the conventional stackable paper container having left and right sides in the form of an octagonal tray, the stackable paper container has On the rear side of the upper surface plate, a front upper surface inner plate, a front inner surface plate, and a front bottom surface inner plate are sequentially provided, and on the front side of the rear upper surface plate, a rear upper surface inner plate, a rear inner surface plate, and a rear bottom surface inner plate are arranged. The front upper surface plate, the front bottom surface inner plate, the rear upper surface inner plate, and the rear bottom surface inner plate have left and right end portions provided in the front upper surface inner plate, the front lower surface inner plate, and the rear bottom surface inner plate, respectively, so that the front upper surface inner plate, By folding the plate, the front inner plate and the front bottom inner plate, and also folding the rear upper inner plate, the rear inner plate and the rear bottom inner plate, the upper oblique front plate, the lower oblique front plate and the lower Insert the four corners of the left and right side panels into the respective locking holes of the rear and upper rear panels, and use the cover panel to secure the left and right side panels. Covering the periphery of each, the stacking locking projections of the left and right side plates in the locking holes of the front upper surface plate and the rear upper surface plate, respectively, the front upper inner plate and the rear upper inner plate When inserted and locked through the locking holes, the upper oblique front plate, the front plate, the lower oblique front plate, and the front inner plate, and the upper oblique rear plate, the rear plate, the lower oblique rear plate, and the rear inner plate. These form laterally trapezoidal buffer gaps before and after the cover panel.

Further, in the stackable paper container of the present invention, in the conventional stackable paper container having left and right sides in the form of an octagonal tray, a central portion of the front upper plate of the cover panel is largely cut out, The front inner plate and the front bottom inner plate are connected in order on the upper side of the upper oblique front plate, and the center part of the rear upper plate is notched greatly, and the rear inner plate is directly connected to the upper side of the upper oblique rear plate. By sequentially connecting the rear bottom inner plate and the left and right end portions of the front bottom inner plate and the rear bottom inner plate, by providing vertically long locking holes, respectively, the front inner plate and the front bottom inner plate And when the rear inner plate and the rear bottom inner plate are folded and assembled as before, the upper oblique front plate, the front plate, the lower oblique front plate and the front inner plate, and the upper oblique rear plate The rear plate, the lower inclined rear plate, and the rear inner plate form a horizontal trapezoidal cushioning gap before and after the cover panel. It is.

That is, in the stackable paper container of the present invention, when relatively heavy vegetables and fruits are stored, in addition to the left and right side plates, a front inner plate and a rear surface forming a buffer gap are provided. Because the inner plate supports the load in the vertical direction, it is easy to transport trucks in multiple stages, store display and sales, etc., and also contains relatively easily damaged bread and confectionery etc. In this case, even if the left and right side surfaces are octagonal tray-shaped, the front inner plate and the rear inner plate forming the buffer gap press down the contents without any gap, and the impact in the front-rear direction is also reduced. Because of the absorption of garbage, it is difficult for the contents to move and is not easily damaged.They store heavy vegetables, fruits, fragile bread and confectionery, etc. The left and right sides are octagonal trays for sale etc. , It is possible to provide the vertical load bearing and with enhanced front and rear direction of the impact resistance, paper containers stackable assembly can be reused easily.

[Brief description of the drawings]

FIG. 1 is a plan view of a stack of stackable paper containers according to a first embodiment of the present invention.

FIG. 2A is a perspective view of a stackable paper container according to the first embodiment of the present invention, and FIG. 2B is a cross-sectional view of the stackable paper container.

FIG. 3 is a plan view of a stack of stackable paper containers in Embodiment 2 of the present invention.

FIG. 4A is a perspective view of a stackable paper container according to a second embodiment of the present invention, and FIG. 4B is a cross-sectional view of the stackable paper container.

FIG. 5 is a plan view of a stack of stackable paper containers according to a third embodiment of the present invention.

FIG. 6 is a perspective view of stackable paper containers in Embodiment 3 of the present invention.

FIG. 7 is a perspective view of a conventional stackable paper container.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Cover panel 11 ... Buffer gap 20 ... Front upper plate / rear upper plate 21 ... Front upper inner plate / rear upper inner plate 22 ... Opening notch 30 ... Top oblique front plate / upper rear plate 40 ... Front plate · Rear plate 41 ··· Front inner plate · Rear inner plate 42 ··· Plural reinforcing vertical grooves 50 · · · Lower oblique front plate · Lower oblique rear plate 60 · · · Bottom plate 61 · · · Front bottom inner plate · Rear bottom inner plate 62 · · · Adhered Piece 63: folded plate 70: left and right side plate 72: finger-holding opening a, b, c: locking hole d, g: crease line e: stacking locking protrusion f: stacking notch h, i, j: valley fold line k ... stacking hole

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 21/02 B65D 5/32 B65D 85/50

Claims (5)

(57) [Claims] 1. A front upper plate 20, an upper oblique front plate 30, and a front plate 4.
0, a lower oblique front panel 50, a bottom panel 60, a lower oblique rear panel 50, a rear panel 40, an upper oblique rear panel 30, and a rear upper panel 20, each of which is sequentially provided via a fold line;
A stackable paper container comprising left and right side plates 70, 70, wherein a cover panel 10 has a front upper plate 20 and an upper oblique front plate 30.
Locking holes a, b, b, b, and b at the left and right ends of the lower oblique front plate 50, the lower oblique rear plate 50, the upper oblique rear plate 30, and the rear upper plate 20.
A, and vertically long locking holes c and c before and after the left and right ends of the bottom plate 60, and further, sticking pieces 62 on the left and right sides of the bottom plate 60 via the fold line d, respectively. Before and after the upper side of the left and right side plates 70, 70, the stacking locking projections e, e
, And stacked notches f and f at the front and rear of the lower side, respectively.
The lower portions of the left and right side plates 70 and 70 are adhered to 2.62, respectively, and the respective locking holes of the upper oblique front plate 30, the lower oblique front plate 50, the lower oblique rear plate 50, and the upper oblique rear plate 30. 4b, the four corners of the left and right side plates 70, 70 are inserted, and the periphery of each of the left and right side plates 70, 70 is covered with the cover panel 10, and the connection between the front upper plate 20 and the rear upper plate 20 is made. In a stackable paper container having left and right side surfaces in the form of an octagonal tray, the stacking and locking projections e of the left and right side plates 70, 70 are inserted into and locked in the stop holes a. On the rear side of the upper surface plate 20, a front upper surface inner plate 21, a front surface inner plate 41, and a front lower surface inner plate 61 are sequentially connected via a fold line g and a valley fold line hi.
0, a rear upper surface inner plate 21, a rear surface inner plate 41, and a rear lower surface inner plate 61 are sequentially provided via a fold line g and a valley fold line hi to form a front upper surface inner plate 21. Lock holes a and c are provided at left and right ends of the front bottom inner plate 61, the rear top inner plate 21 and the rear bottom inner plate 61, respectively.
A stackable paper container provided with a and c. 2. An upper front plate 20, an upper oblique front plate 30, and a front plate 4.
0, a lower oblique front panel 50, a bottom panel 60, a lower oblique rear panel 50, a rear panel 40, an upper oblique rear panel 30, and a rear upper panel 20, each of which is sequentially provided via a fold line;
A stackable paper container comprising left and right side plates 70, 70, wherein the cover panel 10 includes a front upper plate 20 and an upper oblique front plate 30.
Lock holes a, b, b, b, and b are provided at the left and right ends of the lower oblique front plate 50, the lower oblique rear plate 50, the upper oblique rear plate 30, and the rear upper plate 20.
b and a are provided respectively, and longitudinal locking holes c and c are provided before and after the left and right ends of the bottom plate 60, respectively. The left and right side plates 70, 70 are provided with stacking locking projections e, e before and after the upper side, respectively.
Further, stacked notches f and f are provided before and after the lower side, respectively, and then the adhesive strip 62 of the bottom plate 60 of the cover panel 10 is provided.
Attach the lower portions of the left and right side plates 70, 70 to 62, and secure the upper inclined front plate 30, the lower inclined front plate 50, the lower inclined rear plate 50, and the upper inclined rear plate 30 to each other. Covering the periphery of each of the left and right side plates 70, 70 with the cover panel 10 while inserting the four corners of each of the left and right side plates 70, 70 into the hole b, the front top plate 20 and the rear top plate 20 In a stackable paper container having left and right side surfaces in the form of an octagonal tray, the stacking and locking projections e of the left and right side plates 70, 70 are inserted and locked in the respective locking holes a of the cover. The center portion of the front upper plate 20 of the panel 10 is largely cut away, and the front inner plate 41 is directly formed on the upper side of the upper oblique front plate 30.
And the front bottom inner plate 61 are sequentially connected via a fold line g and a valley fold line i. Inner plate 41
And the rear bottom inner plate 61 are sequentially connected via a fold line g and a valley fold line i, and the front bottom inner plate 61 and the rear bottom inner plate 61 are connected.
A vertically stackable locking hole c is provided at each of the left and right ends of the paper container. 3. The front upper plate 20, the upper oblique front plate 30, and the front plate 4.
0, a lower oblique front panel 50, a bottom panel 60, a lower oblique rear panel 50, a rear panel 40, an upper oblique rear panel 30, and a rear upper panel 20, each of which is sequentially provided via a fold line;
Folded plates 6 continuously provided on the left and right sides of the bottom plate 60 of the cover panel 10 via fold lines d and valley fold lines j, respectively.
3. A stackable paper container comprising a pair of left and right side plates 70 and 70 and a left and right side plates 70 and 70.
Locking holes a, b, b, b, and b at the left and right ends of the lower oblique front plate 50, the lower oblique rear plate 50, the upper oblique rear plate 30, and the rear upper plate 20.
A, and vertically long locking holes c, c before and after the left and right ends of the bottom plate 60, stacked locking projections e, e before and after the upper side of the left and right side plates 70, 70, and the lower side. Are provided before and after, respectively, and left and right sides are respectively provided in the locking holes b of the upper oblique front plate 30, the lower oblique front plate 50, the lower oblique rear plate 50, and the upper oblique rear plate 30. The four corners of each of the face plates 70 are inserted, and the left and right side plates 70.
70, and the left and right side plates 70 and 7 are respectively inserted into the locking holes a of the front upper surface plate 20 and the rear upper surface plate 20.
0, each of the stacking locking projections e was inserted and locked.
In a stackable paper container having left and right sides in the form of an octagonal tray, a front upper inner plate 21, a front inner plate 41, and a front lower inner plate 61 are creased on the rear side of the front upper plate 20 of the cover panel 10. g and the valley fold line hi in succession, and
0, a rear upper surface inner plate 21, a rear surface inner plate 41, and a rear lower surface inner plate 61 are sequentially provided via a fold line g and a valley fold line hi to form a front upper surface inner plate 21. Lock holes a and c are provided at left and right ends of the front bottom inner plate 61, the rear top inner plate 21 and the rear bottom inner plate 61, respectively.
A stackable paper container provided with a and c. 4. The front panel 20 of the cover panel 10.
Between the front inner plate 21 and the rear upper plate 20 and the rear upper inner plate 2
4. The stackable paper container according to claim 1, wherein a notch 22 for opening expansion is provided between each of the paper containers. 5. The front inner plate 41 of the cover panel 10.
5. A stackable paper according to any one of claims 1 to 4, wherein a plurality of fold line-shaped reinforcing vertical grooves 42 are provided on the entire surface of the rear surface inner plate 41 and the entire surface of the rear inner plate 41, respectively. container.