JP3542327B2 - Paper container for storing goods - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a paper container for storing articles used for storing, storing, transporting, and selling articles such as eggs such as eggs, apples, pears, thighs, loquats, and melons.
[0002]
[Prior art]
BACKGROUND ART Conventionally, synthetic resin packs and molded paper packs have been known as containers for storing eggs.
Each of these packs has a container shape capable of storing a plurality of eggs therein, and has a lid and a bottom that are openably and closably connected to each other. The lid and the bottom have storage recesses for accommodating the eggs. Are provided.
[0003]
However, the use of the synthetic resin pack is currently being restricted due to concerns about adverse effects on the environment during disposal after use and difficulty in recycling. Further, conventional paper packs are excellent in recyclability and the like, but have problems such as an increase in manufacturing cost for molding.
Furthermore, these conventional containers are integrally molded of synthetic resin material or waste paper material. Since the size of the storage recess is constant, the number of eggs per size (usually S, M, L, LL) is limited. A seed pack needs to be formed.
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of such a conventional situation, and the object thereof is to easily assemble by bending and attaching key points using paper board material such as corrugated cardboard, and to achieve a predetermined strength. And a paper container which can be suitably used for fruits such as chicken eggs, apples, pears, thighs, loquats, melons, etc. It is in.
[0005]
In order to achieve the above object, claim 1 of the present invention is an article storage paper container assembled by bending and attaching important parts of a base material made of a paper board material,
Consisting of a lid and a bottom, at least the bottom has a required number of storage recesses for articles,
A substantially circular fold line is provided on the sheet-like paper base material forming the lid and the bottom, and a cut line is provided in a portion surrounded by the fold line so as to be radial toward the center thereof, and a substantially fan that can be bent downward. Forming a storage opening with a plurality of shaped support pieces,
And, the article receiving body formed separately from the sheet-shaped paper base material is inserted from above into the storage opening, and the tip side of each support piece bent downward is attached to the peripheral surface of the article receiving body, The basic configuration is that the storage recess is formed by supporting the article receiver with each support piece.
Here, the substantially annular broken line means a polygonal shape having a substantially circular shape, a substantially triangular shape, a substantially quadrangular shape, a substantially pentagonal shape or more in plan view, or a shape having no part of the contours of these shapes. Including.
[0006]
According to such a configuration , a predetermined strength paper that can store a required number of fruits such as chicken eggs, apples, pears, thighs, loquats, melons, etc. by bending and attaching key portions of the paper board material. The container can be easily assembled.
[0007]
Further, according to the present invention , the support piece according to claim 1 has a fold line at predetermined intervals from the base end side to the front end side, and is formed to be expandable and contractable according to the size of the article stored in the storage recess. It is characterized by having.
[0008]
According to such a configuration , the support piece expands and contracts according to the size of the article stored in the storage recess, and for example, harvested products such as eggs such as chicken eggs, apples, plums, loquats, and melons. It can be suitably used for storing articles of different sizes for each.
[0009]
According to the second aspect, the article receiving body according to the first aspect is formed with a planar shape having an outline substantially similar to the outline of the folding line of the storage opening, and is formed on the bottom surface and the outer periphery of the bottom surface. It has a peripheral surface portion that rises along the fold line, and the peripheral surface portion is provided with a mountain fold line radially from its upper edge toward the center of the bottom portion, and valley fold lines are provided on both left and right sides of each mountain fold line, A mountain fold is formed between the left and right valley fold lines, and the mountain fold angle of the mountain fold has elasticity in the opening direction so that the angle of the mountain fold can be changed according to the size of the article stored in the storage recess. It is characterized by being formed.
[0010]
According to the second aspect , the mountain fold angle of the mountain fold portion increases and decreases according to the size of the article stored in the storage recess, and the storage capacity of the article receiver increases and decreases. For example, chicken eggs, apples, and thighs The present invention can be suitably used for storing articles having different sizes depending on the harvest, such as fruits such as corn, loquat, melon, and the like.
[0011]
According to a third aspect of the present invention, the tip of the support piece according to the second aspect is attached to a flat portion formed between adjacent mountain folds on the peripheral surface of the article receiver.
[0012]
According to the third aspect , since the attachment of the support piece and the article receiver can be performed easily and reliably, the assembly operation of the container can be simplified. Further, automatic assembling of a paper container using a mold can be easily performed.
[0013]
According to a fourth aspect, in any one of the first to third aspects, a plurality of storage openings are formed vertically and horizontally at least at a bottom portion, and a plurality of article receivers are continuously provided corresponding to the arrangement. It is characterized by.
[0014]
According to the fourth aspect , the article receiver can be attached to the storage opening at a plurality of locations at the same time, which is useful for automating and speeding up the assembling operation of the container using the mold. is there. Also, the amount of paper board used when forming a plurality of article receivers can be reduced as much as possible.
[0015]
According to claim 5, in any one of claims 1 to 4 , storage recesses are formed at mutually corresponding locations on both the lid and the bottom, and articles are stored between the corresponding upper and lower storage recesses. It is characterized by having done.
[0016]
According to the fifth aspect , the storage recesses are respectively provided on the lid portion and the bottom portion, and the article can be stored between the storage recesses corresponding to the upper and lower sides, and can be stored in a state where the article is reliably protected.
[0017]
A sixth aspect of the present invention is characterized in that, in any one of the first to fourth aspects, the storage recess is formed only in the bottom portion, and the lid portion is formed in a box shape opening the lower surface.
[0018]
According to the sixth aspect , the article is stored in the storage recess provided at the bottom, the lid serves to protect the upper part of the stored article, and since the lid has a box shape, the product name, Various information such as a place of origin and a shelf life can be displayed.
[0019]
According to claim 7, in any one of claims 1 to 6 , a fold line is provided at the center in the width direction of the sheet-like paper base having a square shape in a plan view, and the sheet-like paper base divided into right and left by the center fold line. A lid portion is formed on one side of the material, and a bottom portion is formed on the other side, and the lid portion and the bottom portion are connected to each other so as to be openable and closable by a center folding line.
[0020]
According to the seventh aspect , the lid and the bottom are connected to each other so as to be freely opened and closed by one sheet-shaped paper base material, so that the amount of the paper board used can be reduced as much as possible.
[0021]
An eighth aspect of the present invention is characterized in that, in any one of the first to seventh aspects, the storage recess is formed so as to be able to store chicken eggs of various sizes.
[0022]
According to claim 8 , a paper container suitable for storing eggs can be provided.
[0023]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, as an embodiment of the present invention, an example in which the present invention is applied to a paper container for storing eggs will be described with reference to the drawings.
The paper container of the first example shown in FIGS. 1 to 3 includes a lid 1 and a bottom 2, and both the lid 1 and the bottom 2 are provided with a plurality of storage recesses 3.
[0024]
Each storage recess 3 is formed so as to be able to store chicken eggs of various sizes (usually four sizes of S, M, L and LL). Each of the storage recesses 3 is provided with a plurality of storage openings 10 provided in a paper base a forming the lid 1 and the bottom 2, and an article receiving body 20 formed separately from the paper base a. Be attached.
[0025]
As shown in FIG. 4, the paper base material a is a sheet having a rectangular shape in a plan view, and is provided with a fold line 4 at the center in the width direction, and is divided into right and left by the center fold line 4. One side of “a” is a lid 1 and the other side is a bottom 2. The lid 1 and the bottom 2 are connected to each other by the center folding line 4 so as to be openable and closable.
[0026]
The paper base material a is made of a paper board material well known in the technical field of this kind. For example, a paperboard made of laminated corrugated cardboard having desired strength, durability, water resistance and the like is formed into a shape shown in FIG. And three or more storage recesses 3 are arranged in two rows in the horizontal direction on each of the lid 1 and the bottom 2 as shown in the drawing. The storage openings 10 are formed at a total of six locations.
[0027]
The storage opening 10 is provided with a fold line 11 so that the paper base material a has a substantially annular shape, in this example, a substantially octagonal shape, and a portion surrounded by the fold line 11 has a vertex at each vertex of the substantially octagonal shape. A plurality of cutting lines 12 are provided so as to radiate from the center toward the center, and a substantially fan-shaped support piece 13 that can be bent downward is formed in a portion surrounded by the cutting lines 12 and 12 adjacent to the left and right and the folding line 11.
[0028]
Further, in the present example, as shown in the figure, three storage openings 10 (10a, 10b, 10c) are formed in a row in the lateral direction, and the storage openings 10a, 10c on the left and right sides are substantially octagonal. The innermost side of the folding line 11 having the contour of the shape is not formed together with the supporting piece, and is defined as a gap 14a. In the center storage opening 10b, the left and right inner edges of the folding line 11 having a substantially octagonal outline are not formed together with the support pieces, and the portions are formed as the spaces 14b, 14b connected to the space 14a.
At the center of each storage opening 10, a hole 15 for positioning when attaching the article receiver 20 is formed by the leading edge of each support piece 13.
[0029]
The support pieces 13 are provided with fold lines 16 and 17 at predetermined intervals from the base end side (the fold line 11 side) to the distal end side, so that the support pieces 13 can expand and contract in accordance with the size of the eggs stored in the storage recess 3. Is formed.
[0030]
The article receiver 20 is formed by bending a key portion of a paper base b (see FIG. 4 (b)) for an article receiver which is stamped and formed from a paper sheet material of the same quality as the above-mentioned paper base a. You.
That is, the article receiver 20 has a polygonal shape substantially similar to the contour of the fold line 11 of the storage opening 10 and a portion corresponding to the gaps 14a and 14b is formed with a contour that becomes a gap. And a peripheral surface portion 23 that rises along a fold line 22 formed on the outer periphery of the bottom surface portion 21. The peripheral surface portion 23 is provided with a mountain fold line 24 radially from the upper edge toward the center of the bottom surface portion 21. Also, valley fold lines 25, 25 are provided on both left and right sides of each mountain fold line 24, and a mountain fold portion 26 is formed to be bent between the left and right valley fold lines 25, 25. Thus, each mountain fold portion 26 is formed to have elasticity in the opening direction so that the mountain fold angle θ can be changed according to the size of the eggs stored in the storage recess 3.
[0031]
A flat portion 27 sandwiched between the valley fold lines 25, 25 is formed between the adjacent mountain fold portions 26, 26 in the article receiver 20, and the tip of the corresponding support piece 13 is attached to the flat portion 27. Has formed.
[0032]
Further, in this example, as shown in the figure, three article receiving bodies 20 (20a, 20b, 20c) are formed in a row in the lateral direction corresponding to the arrangement of the storage openings 10 described above. The article receivers 20a and 20c of the above have a gap 28a at a location corresponding to the gap 14a of the above-mentioned left and right storage openings 10a and 10c, and the center article receiver 20b is the same as the above-mentioned center storage opening 10b. The air gaps 28b, 28b are provided at locations corresponding to the air gaps 14b, 14b. Further, connecting pieces 29, 29 for connecting the article receivers 20a, 20b, 20b, 20c are formed by punching integrally with the article receivers 20a to 20c in the adjacent gaps 28a, 28b.
A hole 30 for positioning is formed in the bottom surface 21 of each of the article receivers 20a to 20c so as to communicate with the hole 15 described above at the time of attachment to the corresponding storage opening 10.
[0033]
To describe the assembling of the paper container of the present example using the above-described paper base material a and paper base material b, first, four paper base materials b are prepared for one paper base material a, Each paper base b is aligned with the paper base b while aligning the holes 30 and the holes 15 so that the article receiving bodies 20a to 20c in each paper base b correspond to the storage openings 10a to 10c of the paper base a. It is superimposed on the base material a.
In this state, each article receiver 20 of each paper base material b is pushed downward around the bottom face 21, so that each article receiver 20 is surrounded by the folding line 22 around the bottom face 21. The surface portion 23 rises, and on the peripheral surface portion 23, the mountain fold line 26 is bent so that the mountain fold lines 24 are in the mountain fold state and the valley fold lines 25, 25 on both sides thereof are in the valley fold state. Is assembled. At the same time, in the paper base material a, each support piece 13 bends downward at the fold line 11, and at each support piece 13, the fold line 16 bends into a valley fold state and the fold line 17 bends into a mountain fold state.
Further, the tip portion 13a of each support piece 13 is stuck to a flat portion 27 between the mountain fold portions 26, 26 adjacent to the article receiver 20 with a glue or the like. It is preferable to use a hot melt as a sizing agent, apply the hot melt to the front end portion 13a or the flat portion 27 in advance, and then heat and melt the solid to solidify and then perform the attaching operation.
It is preferable that the above-described series of operations from bending to bonding be automatically performed using a mold.
[0034]
In the paper container of this example assembled in this manner, storage recesses 3 each including a storage opening 10 and an article receiver 20 are formed at a plurality of corresponding locations on the lid 1 and the bottom 2, respectively. Eggs are stored in the upper and lower storage recesses 3 and 3 (see FIG. 1).
Each of the storage recesses 3 supports the article receiving body 20 in a suspended manner with each of the support pieces 13 of the storage opening 10. In the body 20, since the mountain fold angle θ in the mountain fold part 26 can be changed freely, each storage recess 3 is individually formed in the vertical direction and the circumferential direction according to the size of the egg (usually four sizes S, M, L, LL). It expands and contracts to
[0035]
The paper container of the second example shown in FIG. 5 shows the paper container of the above-described first example in which the storage recess 3 is formed only in the bottom portion 2. In this example, the same components as those of the paper container of the first example are denoted by the same reference numerals as those in the drawings, and redundant description will be omitted. Only the differences will be described below.
[0036]
That is, in this example, the lid 1 ′ is formed in a box shape having an open lower surface, a plurality of storage recesses 3 are formed only in the bottom 2, and the eggs are stored in the respective storage recesses 3. The function of protecting the upper side of the eggs stored in each storage recess 3 is performed. In addition, since the lid 1 'has a box shape, it is possible to display a variety of information such as a product name, a place of origin, and a shelf life by labeling the surface of the lid 1', or to print these information directly on the surface of the lid 1 '. become able to.
[0037]
The lid part 1 'is composed of a half side of the paper base material a' defined by the central fold line 4, and a paper base material c stamped and formed from a paper plate material of the same quality as the paper base material a '( See FIG. 6). These paper substrates a ′ and c are made of the same paper board as the above-mentioned paper substrate a.
On one half side of the paper base material a ', a fold line 40 is provided with a substantially quadrangular contour, and an overlapping edge 41 with the bottom 2 is formed outside the fold line 40. A cut line 43 is provided so as to be radial toward 42, and substantially fan-shaped side plates 44a, 44b, 44c, 44d that can be bent upward along the fold line 40 are formed.
A folding line 45 is provided at the tip end side of each of the side plates 44a to 44d to form sticking pieces 46a to 46d that can be bent inward, and four sides of a substantially square-shaped top plate c made of a paper base material c The sticking pieces 46a to 46d corresponding to are attached.
[0038]
Then, in the lid 1 ′ of this example, the front and rear left and right side plates 44 a to 44 d stand up along the folding line 40 inside the overlapping edge 41 with the bottom 2, and at the upper ends of the respective side plates 44 a to 44 d. The upper plate c is stuck to the sticking pieces 46a to 46d that are bent inward, and formed into a box shape whose lower surface is open.
[0039]
As described above, two examples of the embodiment of the paper container according to the present invention have been described, but the present invention is not limited to the illustrated examples, and the scope of the technical idea described in each claim is set forth in the claims. It goes without saying that various changes are possible within the above.
[0040]
【The invention's effect】
Since the article storage paper container of the present invention is configured as described above, it has the following effects.
(Claim 1)
Easy to assemble by bending and sticking key points of paper board material, easy to dispose and recycle after use, and have desired cooling function, durability and strength, food and other goods A novel paper container that can be suitably used when housed, stored, transported, and sold can be provided.
[0041]
( Claim 1, Claim 2 )
In addition to the effects described above, the storage volume of the storage recess changes according to the size of the article, so that, for example, fruits such as chicken eggs, apples, pears, thighs, loquats, melons, etc. Can be suitably used for storing different articles.
[0042]
( Claim 3 )
In addition to the effects of the first and second aspects, since each support piece can be easily and reliably attached to the article receiver, it is useful for simplifying and automating container assembly work.
[0043]
( Claim 4 )
In addition to the effects of claims 1 to 3, a plurality of article receivers can be simultaneously attached to a plurality of storage openings, which is useful for automating and speeding up container assembly work. Further, the amount of paper board used in molding the article receiver can be reduced as much as possible, and a reduction in manufacturing cost can be expected.
[0044]
( Claim 5 )
In addition to the effects of claims 1 to 4 , articles can be stored in a state where the articles are reliably protected by the upper and lower storage recesses provided on the lid and the bottom, for example, compared to chicken eggs, thighs, loquats, melons, etc. It can be suitably used as a storage container for crops requiring careful handling.
[0045]
( Claim 6 )
In addition to the effects of claims 1 to 4 , articles can be stored in a state where the article is securely protected by a storage recess provided on the bottom and a lid, and various information such as a product name, a production area, and a shelf life are provided on the surface of the lid. Can be displayed, for example, it can be suitably used as a storage container for harvested products obtained by organic cultivation and relatively expensive fruits.
[0046]
( Claim 7 )
In addition to the effects of the first to sixth aspects , it is possible to reduce the container manufacturing cost by minimizing the amount of paper board used.
[0047]
( Claim 8 )
In addition to the effects of claims 1 to 7 , a paper container suitable for storing chicken eggs can be provided.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of an embodiment of the present invention, showing a state where a lid is opened.
FIG. 2 is a longitudinal sectional front view showing a state where a lid is closed.
FIG. 3 is a vertical sectional side view showing a state in which a lid is closed.
FIG. 4 is a plan view of a paper base material.
FIG. 5 is a perspective view showing another example of the embodiment of the present invention, showing a state in which a lid is opened.
FIG. 6 is a plan view of a paper base material.
[Explanation of symbols]
a, a ', b, c: paper substrate 1, 1': lid 2: bottom 3: storage recess 4: central folding line 10: storage opening 11, 16, 17, 22: folding line 12, cut line 13 : Support piece 13a: Tip portion 20: Article receiver 21: Bottom portion 23: Peripheral surface portion 24: Mountain fold line 25: Valley fold line 26: Mountain fold portion 27: Flat portion

Claims (8)

An article storage paper container assembled by bending and attaching key points of a base material made of paper board material,
Consisting of a lid and a bottom, at least the bottom has a required number of storage recesses for articles,
A substantially circular fold line is provided on the sheet-like paper base material forming the lid and the bottom, and a cut line is provided in a portion surrounded by the fold line so as to be radial toward the center thereof, and a substantially fan that can be bent downward. Forming a storage opening with a plurality of shaped support pieces,
And, the article receiving body formed separately from the sheet-shaped paper base material is inserted from above into the storage opening, and the tip side of each support piece bent downward is attached to the peripheral surface of the article receiving body, Each support piece supports the article receiver to form the storage recess ,
The article storage, wherein the support piece has a fold line at predetermined intervals from the base end side toward the tip end side, and is formed to be expandable and contractable according to the size of the article stored in the storage recess. Paper container. The article receiver is formed with a planar shape having a contour substantially similar to the contour of the fold line of the storage opening, and has a bottom surface and a peripheral surface rising along the fold line formed on the outer periphery of the bottom surface. And, on the peripheral surface portion, a mountain fold line is provided radially from the upper edge to the center of the bottom portion, and valley fold lines are provided on both left and right sides of each mountain fold line, and the mountain fold line is provided between the left and right valley fold lines. Bends the part,
The mountain fold angle of the mountain fold portion is formed to have elasticity in an opening direction so as to be changeable according to the size of an article stored in the storage recess . Article storage paper container. The article storage paper container according to claim 2, wherein a tip end of the support piece is attached to a flat portion formed between adjacent mountain folds on a peripheral surface of the article receiver . A plurality of said storage openings are formed at least at the bottom part in a row and a row, and a plurality of article receivers are provided in series corresponding to the arrangement. The container made of the article storage paper according to the above. 5. The storage recess according to claim 1, wherein the storage recess is formed at a position corresponding to each other on both the lid and the bottom, and the article is stored between the corresponding upper and lower storage recesses . Item 2. The article storage paper container according to item 1. The article storage paper container according to any one of claims 1 to 4 , wherein the storage recess is formed only at the bottom portion, and the lid portion is formed in a box shape having an open lower surface . A fold line is provided at the center in the width direction of the sheet-shaped paper base material having a square shape in a plan view, a lid portion is formed on one side of the sheet-shaped paper base material divided into right and left by the center fold line, and a bottom portion is formed on the other side. The article storage paper container according to any one of claims 1 to 6 , wherein the lid portion and the bottom portion are connected to each other so as to be openable and closable by a center folding line . The article storage paper container according to any one of claims 1 to 7, wherein the storage recess is formed so as to be able to store chicken eggs of various sizes .

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