JP3235057U - Paper lunch box that can improve the support structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a paper lunch box which realizes a support structure for improving the effect of tightly and firmly covering. A paper lunch box includes a box body 20 and a box cover 30. The box body has a storage space 26 for serving food, the box cover has a cover 31 and three wings 32, and the cover has its rear side connected to the box body and covers the storage space. , Prevents foreign matter from entering the world. The wing portion extends from the front side side of the cover and the left and right side sides of the cover, respectively, and a part of the wing portion is adhered between the wing portion and the cover to form a support structure of the box cover. As a result, when the lid is covered with the box cover, the inner peripheral surface of the wing portion comes into contact with the outer peripheral surface of the box body, and the engagement effect of the box cover becomes even tighter and more reliable. [Selection diagram] Fig. 2

Description

The present invention relates to a paper lunch box, and more particularly to a paper lunch box capable of improving the support structure and the degree of sealing of the box cover.

A common paper lunch box usually consists of a box body and a box cover, and after serving food inside the box body, the box cover is tied with a rubber ring and fixed to the box body to prevent food from spilling. Alternatively, foreign matter such as dust and insects is prevented from entering the box body.

Japan Registered Utility Model No. 3209602

However, the above-mentioned conventional paper lunch box cannot obtain a sealing effect unless a rubber band is separately used, which is not preferable from the viewpoint of environmental protection, and the usage cost is high.

In addition, in order to save the cost incurred by using rubber bands, since then, paper lunch boxes have mainly installed at least one engagement piece on the side of the box cover, and the attachment piece of the box cover corresponds to the box body. By inserting it into the anchoring hole, the effect of fixing the box cover without using a rubber band is achieved (see Patent Document 1). However, such a mooring type box cover has insufficient structural support performance, insufficient fixing effect, and a gap is created between the box body and the box cover so that the above-mentioned foreign matter enters the box body. was there.

Therefore, the present inventor considered that the above-mentioned drawbacks could be improved, and as a result of diligent studies, he came up with the proposal of the present invention to effectively improve the above-mentioned problems with a rational design.

The present invention has been made by the intent of the present inventor in view of the above problems, and the purpose of the present invention is to provide a support structure capable of improving the support structure and achieving the effect of tightly and firmly covering. The purpose is to provide an improveable paper lunch box.

The main device for achieving the above object is to have a box body having a storage space and an outer peripheral surface, and a cover and a wing portion connected to the cover, and the cover covers the storage space. The wing portion is a paper lunch box including a box cover that is in contact with the outer peripheral surface of the box body, and is close to a portion of the wing portion that is close to the cover and a portion of the wing portion that is close to the wing portion of the cover. The area to be covered is wholly or partially fixed.

The paper lunch box of the present invention is designed so that the cover and the wing portion are mutually fixed, so that the support structure of the box cover is improved and the engagement effect of the box cover is further tightened and ensured. As a result, the airtightness between the box cover and the box body is enhanced, and foreign matter such as dust and insects is effectively prevented from entering.

Preferably, a crease is formed between the wing portion and the cover, and at least one adhesive portion is provided in the crease, and the portion of the wing portion close to the cover and the wing portion of the cover are provided. Adjacent parts are fully or partially glued and fixed.

Preferably, only a single adhesive portion is provided in the crease, and the portion of the wing portion close to the cover and the portion of the cover close to the wing portion are completely adhered and fixed.

Preferably, the folds are provided with a plurality of adhesive portions arranged at intervals so that a portion of the wing portion close to the cover and a portion of the cover close to the wing portion are partially bonded. Is fixed.

Further, in order to solve the above-mentioned problems and achieve the object, another aspect of the present invention is a paper lunch box capable of improving the support structure. The paper lunch box capable of improving this support structure is a box body having a bottom wall, a front wall, a rear wall, a left wall, and a right wall, and the front wall, the rear wall, and the above. The left wall and the right wall are connected to the peripheral edge of the bottom wall, and the left wall and the right wall are connected between the front wall and the rear wall, respectively. The front wall, the rear wall, the left wall, and the right wall jointly have a box body surrounding the accommodation space, a cover, and three wings, the cover having the rear side of the cover. It is connected to the rear wall of the box body and covers the accommodation space, and these wings are extended from the front side of the cover and the left and right sides of the cover, respectively, and the inner peripheral surface thereof is the box. A box cover is provided which is in contact with the outer peripheral surface of the front wall of the main body and the outer peripheral surfaces of the left and right wall of the box body, and at least a part thereof is adhered between the wing portion and the cover. ing.

Preferably, the cover and each of the wings are bonded by one or more adhesive portions formed by a hot melt method, and there is a crease between the cover and each of the wings. The folds are either wholly covered by the adhesive or partially covered by the plurality of adhesives.

Preferably, the two adjacent wings may be connected to each other or may not be separated from each other.

The detailed structure, features, assembly or usage method of the paper lunch box according to the present invention will be described in detail in the detailed description of the implementation method described later. However, if you have ordinary knowledge in the field of the present invention, these detailed explanations and the specific examples of the present invention listed are merely for explaining the present invention, and the utility model registration of the present invention is made. It is understandable that it does not limit the scope of claims.

It is an inclined view when the paper lunch box which concerns on 1st Embodiment of this invention is closed. It is an inclination view when the paper lunch box which concerns on 1st Embodiment of this invention is opened, and shows that the cover and the crease of each wing part are completely covered with one adhesive part. As in FIG. 2, it is shown that each crease is partially covered with a plurality of adhesive portions. It is sectional drawing which follows the 4-4 line of FIG. It is a developed view which shows the paper lunch box which concerns on 2nd Embodiment of this invention. It is an inclined view when the paper lunch box which concerns on 3rd Embodiment of this invention is closed. It is an inclination view when the paper lunch box which concerns on 3rd Embodiment of this invention is opened, and shows that the cover and the crease of each wing part are completely covered with one adhesive part. As in FIG. 7, it is shown that each crease is partially covered with a plurality of adhesive portions. It is sectional drawing which follows the line 9-9 of FIG. It is a developed view which shows the paper lunch box which concerns on 4th Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Needless to say, the present invention is not limited to the following examples, and can be arbitrarily changed without departing from the gist of the present invention.

In all the specifications including the following examples and claims in the scope of claims for utility model registration, all nouns relating to the direction are based on the direction in the drawing. Further, in the following examples and drawings, the same member reference numerals indicate the same or similar members and structural features.

First, referring to FIGS. 1 and 2, the paper lunch box 10 according to the first embodiment of the present invention is formed by bending and adhering a paper material cut into a predetermined shape, and the paper material is bent and adhered. Since this is a conventional technique, the description thereof will be omitted here. A plastic film made of a material using polyethylene (Polyethylene, PE), polyethylene terephthalate (PET), etc. by laminating or laminating is provided on the inner and outer surfaces of the paper material, thereby oiling the ingredients. Prevents the paper from seeping into the paper.

The paper lunch box 10 according to the first embodiment of the present invention includes a box body 20 and a box cover 30 (see FIGS. 1 and 2).

The box body 20 has a bottom wall 21, a front wall 22, a rear wall 23, a left wall 24, and a right wall 25. The front wall 22 and the rear wall 23 are connected to the front and rear sides of the bottom wall 21, respectively, and the left wall 24 and the right wall 25 are connected to the left and right sides of the bottom wall 21, respectively, and the front wall 22 and the rear wall are connected to each other. The bottom wall 21, the front wall 22, the rear wall 23, the left wall 24, and the right wall 25 jointly surround the storage space 26 for serving food.

The box cover 30 has a cover 31 and three wings 32. In this embodiment, the rear side of the cover 31 is connected to the rear wall 23 of the box body 20, and the three wing portions 32 are connected to the front side of the cover 41 and the left and right sides of the cover 31, and two adjacent wings are adjacent to each other. In this embodiment, the portions 32 are connected by a bonding method in which connecting pieces are combined. Further, the three wing portions 32 have creases 33 formed between them and the cover 31 (that is, the joints between the wing portions 32 and the cover 31), and the three folds 33 have a single adhesive portion 34 on the entire surface. (See Fig. 2). Alternatively, a plurality of adhesive portions 34 arranged at intervals are provided (see FIG. 3), and the portion of the wing portion 32 close to the cover 31 and the portion of the cover 31 close to the wing portion 32 are completely or It is partially glued and fixed. In this embodiment, the above-mentioned adhesive portion 34 is processed by a hot melt and a pressure method on a portion of the bottom surface of the cover 31 close to each wing portion 32 and a portion of the inner peripheral surface of each wing portion 32 close to the cover 31. The plastic films covering the surfaces of both are heated and then bonded to each other. However, the method for forming the adhesive portion 34 of the present invention is not limited to this, for example, the above. An adhesive such as a hot melt adhesive may be directly applied to the bottom surface of the cover 31 on which the adhesive portion 34 is to be formed and the inner peripheral surface of each wing portion 32 to form the adhesive portion 34. By providing the above-mentioned adhesive portion 34, the support structure of the box cover 30 is improved so that it is less likely to bend and deform, and the portion of the wing portion 32 close to the cover 31 and the portion close to the wing portion 32 of the cover 31. Are fully or partially bonded to each other, so that the wing portion 32 is tilted inward by the action of the adhesive force, and the wing portion 32 is tightly adhered to the box body 20. Further, it is not necessary to provide the adhesive portion 34 in all three folds 33, and the adhesive portion 34 may be provided in at least one or two folds 33 to achieve the effect of improving the support structure of the box cover 30. ..

As described above, when the box cover 30 is used to cover the storage space 26 as shown in FIGS. 1 and 4, the cover 31 covers the storage space 26 to prevent foreign substances such as dust and insects from entering. After that, since the three wing portions 32 are inclined inward by the action of the adhesive force, the inner peripheral surface thereof is the outer peripheral surface of the front wall 22 of the box body 20, the left wall 24 of the box body 20, and the right side. It comes into close contact with the outer peripheral surface of the wall 25, and the fixing of the box cover 30 is completed. At this time, not only the structural strength of each wing portion 32 with respect to the box cover 30 is increased by the reinforcing effect of the adhesive portion 34, but also the engaging effect of the box cover 30 is further tight and reliable.

By the way, the box cover 30 does not necessarily have to be connected to the box body 20, and a separable design as shown in FIG. 5 may be adopted. In this case, one wing portion 32 needs to be added to the box cover 30. There is. As a result, when the box cover 30 is used for the cover, the four wings 32 are opened slightly outward, the four wings 32 are opened at a sufficient angle, and the cover 31 is used to cover the accommodation space 26. After the lid is securely closed, the inner peripheral surfaces of the four wing portions 32 are the outer peripheral surface of the front wall 22 of the box body 20, the outer peripheral surface of the rear wall 23 of the box body 20, and the box body 20 due to the action of adhesive force. It comes into close contact with the outer peripheral surfaces of the left wall 24 and the right wall 25.

Hereinafter, the paper lunch box according to the second embodiment of the present invention will be described in detail with reference to FIGS. 6 to 9.

The structure of the paper lunch box 40 according to the second embodiment of the present invention is almost the same as that of the above-described embodiment, and the main difference is that the box body 50 is further provided with at least one partition configuration 54 in the storage space 52. (The mode of the partition configuration 54 is various and is not limited here), and the ingredients are classified according to the difference. The box cover 60 is not limited to the one connected to the box body 50 (see FIG. 6), and may adopt a separable design as shown in FIG. 10 and may be separated from the box body 50. In this case, the box cover 60 It is necessary to add one wing portion 62. Further, the two adjacent wing portions 62 are spaced apart from each other and are not combined by the connecting piece, but the same applies to the crease 63 between at least one wing portion 62 and the cover 61. May be provided with an adhesive portion 34 that is entirely stretched so as to cover the above-mentioned crease 63 (see FIG. 7), or a plurality of adhesive portions 34 that are arranged at intervals are provided. Often (see FIG. 8), this improves the support structure and adhesive strength of the box cover 60. The wings 62 are then separated from each other and not articulated as shown in the first embodiment, so that each wing 62 operates independently of the cover 61 and the box cover 60 It enhances the convenience when the box body 50 is covered.

In summary, the paper lunch boxes 10 and 40 according to the present invention are designed so that the covers 31, 61 and at least one wing portion 32, 62 are adhered to each other, so that the box cover 30 does not require a rubber band separately. , 60 can be fixed to the box bodies 20 and 50 at high speed and stably, thereby achieving the purpose of reducing the usage cost. In addition, the support structure of the box covers 30 and 60 has been improved, the engagement effect of the box covers 30 and 60 has been further tightened and ensured, and the airtightness between the box covers 30 and 60 and the box bodies 20 and 50 has been enhanced. It effectively prevents foreign substances from the outside world such as dust and insects from entering.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the claims, and the embodiments obtained by appropriately combining the technical means disclosed in the different embodiments. Is also included in the technical scope of the present invention.

10 Paper lunch box 20 Box body 21 Bottom wall 22 Front wall 23 Rear wall 24 Left wall 25 Right wall 26 Storage space 27 Partition configuration 30 Box cover 31 Cover 32 Wings 33 Folds 34 Adhesion 40 Paper lunch box 50 Box body 52 Storage space 54 Partition configuration 60 Box cover 61 Cover 62 Wings 63 Folds

Claims (9)

The box body, which has a storage space and an outer peripheral surface,
Paper with a cover and a wing articulated to the cover, the cover covering the accommodation space, and the wing having a box cover abutting on the outer peripheral surface of the box body. It ’s a lunch box,
A paper lunch box characterized in that a portion of the wing portion close to the cover and a portion of the cover close to the wing portion are wholly or partially fixed. A crease is formed between the wing portion and the cover, and at least one adhesive portion is provided in the crease, and a portion of the wing portion close to the cover and a portion of the cover close to the wing portion. The paper lunch box according to claim 1, wherein the paper lunch box is completely or partially bonded and fixed. The crease is provided with only a single adhesive portion, and the portion of the wing portion close to the cover and the portion of the cover close to the wing portion are completely adhered and fixed. The paper lunch box according to claim 2. A plurality of the adhesive portions arranged at intervals are provided in the crease, and a portion of the wing portion close to the cover and a portion of the cover close to the wing portion are partially adhered and fixed. The paper lunch box according to claim 2, wherein the paper lunch box is provided. A box body having a bottom wall, a front wall, a rear wall, a left wall, and a right wall, wherein the front wall, the rear wall, the left wall, and the right wall are the bottom. The left wall and the right wall are connected to the peripheral edge of the wall, and the left wall and the right wall are connected between the front wall and the rear wall, respectively, and the bottom wall, the front wall, the rear wall, and the left wall are connected to each other. , And the box body, whose right wall jointly surrounds the containment space,
It has a cover and three wings, the rear side of which is articulated to the rear wall of the box body and covers the accommodation space, the wings of which are the front side of the cover and the cover. The inner peripheral surface of the wing portion is extended from both the left and right sides of the box body, and the inner peripheral surface of the wing portion abuts on the outer peripheral surface of the front wall of the box body and the outer peripheral surface of the left and right side walls of the box body, respectively. A paper lunch box comprising a box cover in which at least a part is bonded between the portion and the cover. It is characterized in that a crease is provided between the cover and each of the wing portions, the paper lunch box further includes an adhesive portion, and the adhesive portion is covered so as to be fully extended to the crease. The paper lunch box according to claim 5. Each of the cover and the wing has a crease, the paper lunch box comprises a plurality of adhesive portions, and the plurality of adhesive portions are arranged at a distance from at least one of the creases. The paper lunch box according to claim 5, characterized in that. The paper lunch box according to any one of claims 5 to 7, wherein the two adjacent wings are connected to each other. The paper lunch box according to any one of claims 5 to 7, wherein the two adjacent wings are not connected to each other.

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