JP7187172B2 - paper container - Google Patents

Description

TECHNICAL FIELD The present invention relates to a substantially rectangular parallelepiped paper container capable of accommodating a stack of tissue papers alternately stacked in a pop-up manner.

2. Description of the Related Art Conventionally, as a storage container for tissue products, a substantially rectangular parallelepiped paper container capable of storing a stack of tissue papers alternately stacked in a pop-up manner has been used. Here, as the number of stacked tissue papers, which are the content stored in these paper containers, decreases, a so-called drop-back phenomenon occurs in which the tissue papers fall into the container, and pop-up may not be possible. In order to suppress the drop-back phenomenon, the bottom surface of the paper container may be provided with a function to push up. (See, for example, Patent Documents 1 to 4).

JP 2016-120922 A JP-A-8-91455 Japanese Utility Model Publication No. 57-57026 Japanese Utility Model Laid-Open No. 56-62981

By the way, in recent years, in order to differentiate from other tissue products, tissue products with added value and enhanced luxury have also been put on the market. These high-class tissue products tend to contain a large number of tissue papers and the height of the paper container is high.
Here, when a tall paper container is used, it is necessary to support a larger amount of tissue paper than before with the standing pieces standing up and locking each other. In the aspect of the upright pieces described above, even if the upright and locked state of the upright pieces can be maintained satisfactorily, when the upright pieces are raised together, the contact portions between the upright pieces have projections. Therefore, an extra force is required to raise the standing pieces together, and it sometimes takes time to engage them.

Accordingly, the present invention has been made in view of the above problems, and in a paper container having a pair of standing pieces on the bottom surface, the pair of standing pieces can be easily erected when the pair of standing pieces are erected and engaged with each other. To provide a tall paper-made container capable of maintaining a pair of standing pieces upright and locked to each other satisfactorily.

The inventors of the present invention conducted extensive research in view of the above problems. As a result, the height of the paper container is set higher than before, and a pair of upright pieces that can be locked by pushing them into the top surface side of the bottom surface are arranged at the center points of the long sides and the center points of the short sides on the bottom surface. The above problem can be solved by providing adjacent points in the long side direction so as to have a point-symmetrical relationship with the intersection of lines connecting the points as a symmetrical point, and further by devising the mode of the pair of standing pieces. The discovery led to the completion of the present invention. Specifically, the present invention provides the following.

(1) A first aspect of the present invention is a substantially rectangular parallelepiped paper container capable of storing a stack of tissue paper alternately stacked in a pop-up manner, wherein the height of the paper container is is 50 mm or more and 120 mm or less, the top surface of the paper container is provided with an opening for passing and removing the tissue paper, and the bottom surface of the paper container is pushed into the top surface side so that the pair of upright pieces that can be locked have a point-symmetrical relationship with the intersection of the lines connecting the center points of the long sides and the center points of the short sides of the bottom surface as symmetric points. and the pair of standing pieces, in a state before being erected, have a first side and a second side substantially parallel to the long side, and the proximity of the first side and the second side a divided side connecting one ends of the first side; a third side provided substantially parallel to the short side direction from the other end of the first side; and a fourth side continuously provided in the short side direction from the other end of the side, wherein the first side, the second side, the third side, the fourth side and the divided side are A folding line formed by tearable perforations connecting one end of the first side and an end of the fourth side, and a folding line connecting one end of the second side and an end of the third side. , substantially parallel to the long side direction, and the split sides are located at both ends in the short side direction, and have notched portions for locking the pair of upright pieces to each other. and a linear portion connecting the cutouts, each of the cutouts includes a curved portion connecting one end of the first side and the second side and a locking point in the direction of the short side, and The locking point and the curved portion connecting the straight portion in the long side direction, respectively, and the angle formed by the straight portion and a parallel line in the short side direction passing through the center point of the long side of the bottom surface is is greater than 0° and 30° or less, distances on parallel lines in the short-side direction from each of the locking points to the first side and the second side are respectively 1 mm or more and 5 mm or less, and each of the notches , the distance from each locking point to the end of the linear portion on the parallel line in the long side direction is 1 mm or more and 5 mm or less, and the line connecting the locking points passes through the symmetrical point , paper containers.

(2) A second aspect of the present invention is the paper container according to (1), wherein in a state in which the pair of standing pieces are erected and engaged with each other, the pair of standing pieces from the bottom surface The vertical distance of the uppermost part of the standing piece is 35 mm or more and 55 mm or less, and is 30% or more and 50% or less of the dimension of the short side of the bottom.

(3) A third aspect of the present invention is the paper container according to (1) or (2), wherein the paperboard used for the paper container has a basis weight of 300 g/m ² or more and 500 g/m ² . It is characterized by the following.

Therefore, according to the present invention, in a paper container having a pair of standing pieces on the bottom surface, when the pair of standing pieces are raised and locked together, the pair of standing pieces can be easily raised. It is possible to provide a tall paper container that can maintain a good state of being raised and locked together.

1 is a perspective view of a paper container of the present invention; FIG. Fig. 2 is a bottom view of the paper container of the present invention showing a pair of standing pieces before standing. FIG. 4 is an enlarged view of a split side portion of a pair of standing pieces before being erected; It is drawing which shows the state which a pair of standing piece stood up and latched.

EMBODIMENT OF THE INVENTION Hereinafter, with reference to an accompanying drawing, the form (henceforth, embodiment) for implementing this invention is demonstrated in detail. In addition, the same code|symbol is attached|subjected to the same element through the whole description of embodiment.

The paper container 1 of the present invention has a substantially rectangular parallelepiped shape as shown in FIG. 1, which can accommodate a stack of tissue papers alternately stacked in a pop-up manner so that they can be taken out. The substantially rectangular parallelepiped shape of the paper container 1 is composed of long sides, short sides, and sides in the height direction. In this specification, the long side direction refers to a direction parallel to the long side of the paper container 1 and is the direction indicated by X in the drawing, and the short side direction is perpendicular to the long side direction, It is a direction parallel to the short sides of the container 1 and is a direction indicated by Y in the figure.

The long side dimension of the paper container 1 is preferably 220 mm or more and 250 mm or less, and the short side dimension of the paper container 1 is preferably 110 mm or more and 120 mm or less. By setting the dimensions of the long side and the short side of the paper container 1 within the above range, the paper container 1 suitable for storing a stack of tissue paper alternately stacked in a pop-up manner so that it can be taken out is provided. Obtainable.
The height of the paper container 1 of the present invention is 50 mm or more and 120 mm or less, preferably 75 mm or more and 110 mm or less. By setting the height of the paper container 1 within the above range, it is possible to obtain the paper container 1 that is taller than the paper container used for conventional tissue products, and the tissue using the paper container 1 can be obtained. It can give the product a sense of quality.

As for the material of the paperboard used for the paper container 1, wood pulp such as bleached softwood kraft pulp (NBKP) or bleached broadleaf kraft pulp (LBKP) or waste paper pulp such as newspapers and magazines can be used as the base material. Among these, wood pulp is preferable from the viewpoint of processability and printability.
Moreover, in order to ensure sufficient strength of the paper container 1, the basis weight of the paperboard used for the paper container 1 is preferably 300 g/m ² or more and 500 g/m ² or less. Furthermore, the thickness of the paperboard is preferably 0.30 mm or more and 0.70 mm or less.

The top surface 10a of the paper container 1 is provided with an opening 11 for allowing the tissue paper to pass therethrough and take it out. As the opening 11, there may be used an embodiment having an outlet having an outer periphery formed by perforations and a window-sticking film attached to the back surface of the outer side of the outlet and having a slit for removal (not shown). .

<Standing piece>
FIG. 2 is a bottom view of the paper container 1 of the present invention showing a pair of standing pieces 12 before standing. In the present invention, as shown in FIG. 2, on the bottom surface 10b of the paper container 1, a pair of upright pieces 12 that can be engaged by being pushed into the top surface 10a side are provided on the bottom surface 10b in a state before standing up. Point symmetrical relationship with the intersection of the line connecting the center points of the short sides (X ₁ -X ₁ line in the figure) and the line connecting the center points of the long sides (Y ₁ -Y ₁ line in the figure) as the symmetry point are provided adjacent to each other in the long side direction.

As shown in FIG. 2 , the pair of standing pieces 12 has a first side 21 and a second side 31 that are substantially parallel to the long sides and a pair of sides 21 and 31 that are adjacent to each other in a state before standing. a dividing side 40 connecting one ends of the first side 21; and a fourth side 32 continuously provided in the short side direction from the other end of the two sides 31 .
Also, the first side 21, the second side 31, the third side 22, the fourth side 32, and the dividing side 40 are formed by tearable perforations. Furthermore, the bending line 33 connecting one end of the first side 21 and the end of the fourth side 32, and the bending line 23 connecting one end of the second side 31 and the end of the third side 22 are
They are formed substantially parallel to the long side direction. Here, the end portion of the fourth side 32 is
Among both ends of the fourth side 32 , the end on the side that does not intersect the second side 31 . The edge on the side that does not intersect with Further, the first side 21 and the folding line 33, and the second side 31 and the folding line 23 are arranged as shown in FIG. As shown, it is preferable that they are provided substantially parallel to the long side direction and on one straight line.

In addition, in order to maintain the state in which the pair of standing pieces 12 are erected and locked, the lengths of the first side 21 and the second side 31 of the pair of standing pieces 12 should be equal, and should be 32 mm or more and 35 mm or less. , and the lengths of the third side 22 and the fourth side 32 are preferably the same, and are preferably 45 mm or more and 59 mm or less.

As shown in FIGS. 2 and 3, the split side 40 is located at both ends in the short side direction, and has notches 41 and 41 having locking points 41b and 42b for locking the pair of standing pieces 12. 42 and a linear portion 43 connecting the cutouts.

FIG. 4 is a drawing showing a state in which the pair of standing pieces 12 are raised and locked. By pushing the pair of standing pieces 12 toward the top surface 10a, the perforations related to the first side 21, the second side 31, the third side 22, the fourth side 32, and the dividing side 40 are opened, and the folding lines 23 and A pair of standing pieces 12 can be erected with 33 as the base. Then, as shown in FIG. 4, the pair of standing pieces 12 can be locked together at locking points 41b and 42b. After being locked, the locked state can be favorably maintained by the own weight of the tissue paper laminate.

Here, when the pair of standing pieces 12 are made to stand up as shown in FIG. 4, the portion where the pair of standing pieces 12 come into contact, i.e., the linear portion 43 does not have a protrusion unlike the conventional invention. Since it is a straight line, there is little resistance when it is erected, and it can be easily erected without requiring extra force.

As shown in FIG. 3, the notches 41 and 42 are curved portions 41a and 42a connecting one end of the first side 21 and the second side 31 and locking points 41b and 42b in the direction of the short side, and an engaging portion. The fixed points 41b and 42b and the curved portions 41c and 42c connecting the linear portion 43 in the long side direction are formed, respectively. Here, both the curved portions 41c and 42c connecting the locking points 41b and 42b and the straight portion 43 are curved, so that the pair of standing pieces 12 are erected and locked as shown in FIG. Since the curved lines intersect each other when moving, resistance is small, and it is possible to easily stand up and lock without requiring extra force.

Further, the angle θ formed between the straight portion 43 and a parallel line in the short side direction passing through the center point of the long side of the bottom surface 10b is greater than 0° and less than or equal to 30°, and more than or equal to 5° and less than or equal to 15°. is preferred. By setting the angle θ between the straight portion 43 and the parallel line in the short side direction passing through the central point of the long side of the bottom surface 10b within the above range, the pair of standing pieces 12 are erected as shown in FIG. In this case, the resistance is small, and it is possible to easily stand up and lock without requiring extra force, and to maintain the locked state well.

The distances on short-side parallel lines from the locking points 41b and 42b to the first side 21 and the second side 31 are 1 mm or more and 5 mm or less, and preferably 2 mm or more and 3 mm or less. When the distances on the parallel lines in the short-side direction from the locking points 41b and 42b to the first side 21 and the second side 31 are within the above range, the locked state can be favorably maintained.

In addition, the distances from the locking points 41b and 42b of the cutouts 41 and 42 to the ends of the linear portion 43 on parallel lines in the long side direction are 1 mm or more and 5 mm or less, and 2 mm or more and 4 mm or less. is preferred. Since the distances on the parallel lines in the longitudinal direction from the locking points 41b and 42b of the cutouts 41 and 42 to the end of the linear portion 43 are within the above range, the pair of upright pieces 12 as shown in FIG. To easily stand up and lock without requiring extra force with little resistance when standing and locking them together, and to maintain the locked state well.

Furthermore, a line connecting the locking points 41 b and 42 b of the pair of standing pieces 12 passes through the symmetrical points of the pair of standing pieces 12 . As a result, the locking points can be easily matched with each other, and can be matched appropriately without gaps, making it difficult for the locking to come off.

Furthermore, the angle φ formed by the second side 31 and the linear portion 43 is preferably 80° or more and less than 90°. As a result, the cutouts 41 and 42 have an appropriate size, making it easier to raise and lock the pair of standing pieces 12, and maintain the state in which the pair of standing pieces 12 are locked. be able to.

In the state in which the pair of standing pieces 12 are erected and engaged with each other, the vertical distance of the top of the pair of standing pieces 12 from the bottom surface 10b is 35 mm or more and 50 mm or less, and the short sides of the bottom surface 10b are equal to or greater than 35 mm. is preferably 30% or more and 50% or less of the dimension of As a result, the length of the pair of standing pieces 12 can be sufficiently ensured to achieve the desired height when the pair of standing pieces 12 are engaged with each other.
Furthermore, in order to stably maintain the state in which the pair of standing pieces 12 are raised and engaged with each other, the bottom surface 10b and the pair of standing pieces 12 are arranged in the state in which the pair of standing pieces 12 are raised and engaged. The angle formed is preferably 30° or more and 75° or less.

Although the present invention has been described using the embodiments, it goes without saying that the technical scope of the present invention is not limited to the scope described in the above embodiments and examples. It is obvious to those skilled in the art that various modifications or improvements can be made to the above embodiments. In addition, it is clear from the description of the scope of the claims that forms with such modifications or improvements can also be included in the technical scope of the present invention.

1 paper container 10a top surface 10b bottom surface 11 opening 12 pair of standing pieces 21 first side 22 third side 23, 33 folding line 31 second side 32 fourth side 40 dividing sides 41, 42 notch 41a, 41c , 42a, 42c curved portion 41b, 42b locking point 43 straight portion

Claims (3)

A substantially rectangular parallelepiped paper container that can store a stack of tissue papers alternately stacked in a pop-up manner,
The paper container has a height of 50 mm or more and 120 mm or less,
The top surface of the paper container is provided with an opening for passing and removing the tissue paper,
On the bottom surface of the paper container, a pair of upright pieces that can be engaged by being pushed toward the top surface are arranged at intersections of lines connecting the center points of the long sides and the center points of the short sides of the bottom surface. , are provided adjacent to each other in the long side direction so as to have a point-symmetrical relationship,
The pair of standing pieces, in a state before being erected, has a first side and a second side substantially parallel to the long side, and a split side connecting adjacent ends of the first side and the second side. , a third side provided substantially parallel to the short side direction from the other end of the first side, and a third side parallel to and facing the third side and extending from the other end of the second side in the short side direction; and a fourth side provided continuously to
The first side, the second side, the third side, the fourth side, and the dividing side are formed by tearable perforations,
A bending line connecting one end of the first side and an end of the fourth side and a bending line connecting one end of the second side and an end of the third side are substantially parallel to the long side direction, respectively. is formed and
The divided sides are located at both ends in the direction of the short side and are composed of cutouts having locking points for locking the pair of standing pieces, and straight lines connecting the cutouts. ,
Each of the cutouts includes a curved portion that connects one end of the first side and the second side and a locking point in the short side direction and that does not protrude from a line connecting the locking points, and the locking point. and a curved portion connecting the straight portion in the long side direction,
an angle between the straight portion and a parallel line in the short side direction passing through the center point of the long side of the bottom surface and parallel to the short side direction is greater than 0° and 30° or less;
The distance from each locking point to the first side and the second side on a parallel line in the short side direction parallel to the short side direction is 1 mm or more and 5 mm or less,
In each of the cutouts, the distance from each locking point to the end of the linear portion on a long- side parallel line parallel to the long- side direction is 1 mm or more and 5 mm or less,
A paper container, wherein a line connecting the locking points passes through the symmetrical point. In a state in which the pair of standing pieces are erected and engaged with each other, the vertical distance from the bottom surface to the top of the pair of standing pieces is 35 mm or more and 50 mm or less, and the short side of the bottom surface. 3. The paper container according to claim 1, which is 30% or more and 50% or less with respect to the dimension of. The paper container according to claim 1 or 2, wherein the paperboard used for the paper container has a basis weight of 300 g/m ² or more and 500 g/m ² or less.

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