Container container, containment structure, and blank sheet

Abstract

To provide a container that makes it easier to place items into the container. [Solution] The container 100 comprises a main surface portion 10, an opposing portion 20 facing the main surface portion 10, and a holding portion 30 that holds the opposing portion 20 so that the opposing portion 20 is positioned facing the main surface portion 10. The contents are inserted into the gap between the main surface portion 10 and the opposing portion 20. The gap between the edge 22 on the opposing portion 20 that is not held by the holding portion 30 and the portion on the main surface portion 10 that faces the opposite edge 22 forms an insertion opening 120 for the contents 300 relative to the gap 110. The opposing portion 20 has a fold line L7 formed on it for bending the opposing portion 20 in a direction that widens the opening of the insertion opening 120. The fold line L7 extends in a direction different from the boundary line between the opposing portion 20 and the main surface portion 10 (the scribe lines L1 and L2 described later).

Description

[[Technical Field]]

[0001] The present invention relates to a storage container, a storage structure, and a blank sheet. [[Background Art]]

[0002] Patent Document 1 describes a storage structure (blister pack in said document) having a structure in which an article to be stored (blister in said document) is slidably inserted into and attached to a storage container (mounting board in said document). [[Prior Art Documents]] [[Patent Documents]]

[0003] [[Patent Document 1]] Japanese Unexamined Patent Publication No. 2017-24747 [[Summary of the Invention]] [[Problem to be Solved by the Invention]]

[0004] However, in the storage container described in Patent Document 1, there is room for improvement in the workability of the operation of inserting an article to be stored into the storage container.

[0005] The present invention has been made in view of the above problems, and provides a storage container, a storage structure, and a blank sheet that enable easier storage operation of an article to be stored into the storage container. [[Means for Solving the Problem]]

[0006] According to the present invention, there is provided a storage container formed of a sheet material for storing an article to be stored, a main surface portion; a facing portion that faces the main surface portion; a holding portion that holds the facing portion such that the facing portion is disposed to face the main surface portion; comprising: wherein the article to be stored is inserted into a facing gap between the main surface portion and the facing portion, The distance between the edge of the opposing portion opposite to the side held by the holding portion and the portion of the main surface portion facing the opposite edge forms the insertion opening for the contents relative to the distance between the opposing portions. The opposing portion has a fold line formed on it for bending the opposing portion in a direction that widens the opening of the insertion opening. A container is provided in which the aforementioned fold line extends in a direction different from the boundary line between the opposing portion and the main surface portion.

[0007] Furthermore, according to the present invention, the container of the present invention and The aforementioned contents and, A housing structure comprising, An opening is formed in the main surface portion. A storage structure is provided in which, when the contents are stored in the storage container, a portion of the contents protrudes to the outside through the opening.

[0008] Furthermore, according to the present invention, a blank sheet in which a storage container is formed by folding, Main surface and, A facing portion is positioned opposite the main surface portion, A holding portion that holds the opposing portion such that the opposing portion is positioned to face the main surface portion, Equipped with, The container is such that an object is inserted into the gap between the main surface and the opposing surface, and the gap between the edge of the opposing surface opposite to the side held by the holding surface and the portion of the main surface facing the opposite edge forms an insertion opening for the object relative to the gap. The opposing portion has a fold line formed on it for bending the opposing portion in a direction that widens the opening of the insertion opening. A blank sheet is provided in which the aforementioned fold line extends in a direction different from the boundary line between the opposing portion and the main surface portion. [Effects of the Invention]

[0009] According to the present invention, the operation of accommodating an item in an accommodation container can be performed more easily. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] [Figure 1] It is a back view (developed view) of a blank sheet according to an embodiment. [Figure 2] It is a back view of an accommodation container according to an embodiment. [Figure 3] It is a front view of an accommodation container according to an embodiment. [Figure 4] It is a cut end view taken along line A-A of FIG. 2. [Figure 5] It is a developed view of an item to be accommodated in the accommodation container according to an embodiment. [Figure 6] Each of FIGS. 6(a), (b), (c) and (d) is a view showing an assembled state of an item to be accommodated in the accommodation container according to an embodiment, wherein FIG. 6(a) is a front view, FIG. 6(b) is a back view, FIG. 6(c) is a perspective view viewed from the front side, and FIG. 6(d) is a perspective view viewed from the back side. [Figure 7] It is a back view for explaining the operation of accommodating an item in the accommodation container according to the embodiment, showing a state where the opening of an insertion port is widened. [Figure 8] FIG. 8(a) is a view showing the shape of the accommodation container when viewed in the direction of arrow A in FIG. 2, and FIG. 8(b) is a view showing the shape of the accommodation container when viewed in the direction of arrow A in FIG. 7. [Figure 9] It is a perspective view of the accommodation container in the state shown in FIG. 7. [Figure 10] It is a side view of the accommodation container in the state shown in FIG. 7. [Figure 11] It is a back view for explaining the operation of accommodating an item in the accommodation container according to the embodiment, showing a state where the item is inserted from the insertion port. [Figure 12] It is a perspective view of the accommodation container in the state shown in FIG. 11. [Figure 13] It is a side view of the accommodation container in the state shown in FIG. 11. [Figure 14]It is a back view for explaining the operation of accommodating an article in the storage container according to the embodiment, showing a state where a convex portion (a part) of the article is protruded from an opening of a main surface portion. [Figure 15] It is a side view of the storage container in the state shown in Figure 14. [Figure 16] Figure 16(a) is a cross-sectional end view taken along line B-B in Figure 14, and Figure 16(b) is a cross-sectional end view taken along line A-A in Figure 14. [Figure 17] It is a back view of the storage structure according to the embodiment. [Figure 18] It is a front view of the storage structure according to the embodiment. [Figure 19] It is a side view of the storage structure according to the embodiment. [Figure 20] It is a perspective view of the storage structure according to the embodiment. MODE FOR CARRYING OUT THE INVENTION

[0011] Hereinafter, embodiments of the present invention will be described with reference to Figures 1 to 20. In all the drawings, the same reference numerals are given to the same constituent elements, and the description thereof will be omitted as appropriate.

[0012] The blank sheet 200 shown in Figure 1 becomes the storage container 100 by being folded. As shown in Figures 2 to 4, in an initial state of the storage container 100, the holding portion 30 holds the opposing portion 20 such that the opposing portion 20 is arranged to face the main surface portion 10. As shown in Figures 6(a), (b), (c), and (d), the container 300 is constructed by folding and assembling a blank sheet (Figure 5; hereinafter sometimes referred to as the second blank sheet) that will become the container 300. More specifically, the container 300 is constructed by, for example, assembling the second blank sheet shown in Figure 5, and the contents 300a (Figure 16(b)) housed inside the outer shell. However, for the sake of simplicity, the outer shell itself and the outer shell and the contents 300a housed inside it may not be distinguished and are sometimes referred to simply as the container 300. As shown in Figures 17 to 20, the containment structure 400 according to this embodiment is constructed by containing the contents 300 in the containment container 100.

[0013] In this specification, unless otherwise specified, the positional relationships of the components of the blank sheet 200 are described as those of the blank sheet 200 in a flat state, as shown in Figure 1. Furthermore, unless otherwise specified, the positional relationships of the components of the containment container 100 describe their positions in the initial state. However, in some cases, the positional relationships of the components of the containment container 100 will be described in relation to their positions within each drawing. Furthermore, the explanation of the positional relationships of each component of the containment structure 400 is based on the explanation of the positional relationships of each component of the containment container 100.

[0014] As described above, in the initial state of the containment container 100, the opposing portion 20 is positioned opposite the main surface portion 10. In this specification, "inside" means the side with the distance between the main surface portion 10 and the opposing portion 20, and "outside" means the opposite side of the "inside". In this specification, for the sake of simplicity, we will define the directions as "up and down," "left and right," and "front and back" for convenience. The "up" side, "down" side, "left" side, and "right" side shown in Figures 1 to 3 will be referred to as "upper side (upward direction)," "lower side (downward direction)," "left side (leftward direction)," and "right side (rightward direction)," respectively. In Figures 1 and 2, the back side is the front side (front direction), and in Figures 1 and 2, the front side is the back side (back direction). Therefore, in Figure 3, the front side is the front side (front direction), and in Figure 3, the back side is the back side (back direction). In other figures besides Figures 1 to 3, the directions corresponding to these directions are indicated as appropriate. These directions are for convenience only and do not necessarily coincide with the direction in which the container 100 is used. In the initial state shown in Figures 2 to 4, the opposing portion 20 is located on the back side of the main surface portion 10 (the main surface portion 10 is located on the front side of the opposing portion 20). In this embodiment, the contents 300 have a protruding portion 301 that protrudes from the opening 10a of the main surface portion 10 of the contents container 100. In this case, the direction in which the protruding portion 301 protrudes is the front side. Furthermore, "back" and "front" are used to explain positional relationships in each diagram. For this reason, the directions of "back" and "front" may differ from one diagram to another. The process of placing the contents 300 into the container 100 can be carried out, for example, by placing the container 100 on a mounting surface so that the front surface of the main surface portion 10 is in contact with the horizontal mounting surface.

[0015] In this specification, "vertical direction," "horizontal direction," "orthogonal," and "parallel" include the range of error acceptable in the art to which the present invention pertains. For example, unless otherwise specified, "vertical direction," "horizontal direction," "orthogonal," and "parallel" in this specification mean within a range of less than ±10° from the exact vertical direction, exact horizontal direction, exact orthogonal direction, or exact parallel direction. The error from the exact vertical direction, exact horizontal direction, exact orthogonal direction, or exact parallel direction is preferably ±5° or less, and more preferably ±3° or less. Furthermore, regarding the positional relationships and dimensions of each component, descriptions such as "(the same)" and "(equal)" include a range of error permissible in the technical field to which this invention belongs. For example, this means that the error range is less than ±10%, but it is preferable that the error range is ±5% or less, and more preferably ±3% or less.

[0016] The container 100 according to this embodiment is formed from a sheet material (in this embodiment, a single blank sheet 200) and is a container 100 for storing contents 300. The container 100 comprises a main surface portion 10, an opposing portion 20 facing the main surface portion 10, and a holding portion 30 that holds the opposing portion 20 so that the opposing portion 20 is positioned to face the main surface portion 10. The contents 300 are inserted into the gap 110 between the main surface 10 and the opposing surface 20 (see Figures 7, 8(b), etc.). The distance between the edge 22 on the opposite side (upper side in Figure 2) of the opposing portion 20 from the side held by the holding portion 30 (lower side in Figure 2), and the portion of the main surface portion 10 that faces the opposite edge 22, forms the insertion opening 120 for the contents 300 relative to the opposing distance 110. The opposing portion 20 has a fold line L7 formed on it for bending the opposing portion 20 in a direction that widens the opening of the insertion opening 120. The fold line L7 extends in a direction different from the boundary line between the opposing portion 20 and the main surface portion 10 (the ruled lines L1 and L2 described later).

[0017] According to this embodiment, the opposing portion 20 has a fold line L7 formed on it for bending the opposing portion 20 in a direction that widens the opening of the insertion opening 120. By bending the opposing portion 20 along the fold line L7, the opening of the insertion opening 120 can be widened. Therefore, the operation of inserting the contents 300 into the opposing spacing 110 and storing the contents 300 in the storage container 100 can be made easier. In other words, the operation of storing the contents 300 in the storage container 100 can be made easier.

[0018] Here, the direction in which the opening of the insertion port 120 widens is at least away from the main surface portion 10. In other words, the opening of the insertion port 120 widens at least in the front-to-back direction. When the opposing portion 20 is folded along the fold line 7, the portion of the opposing portion 20 above the fold line L7 is folded relative to the portion of the opposing portion 20 below the fold line L7. When folded in this manner, the portion of the opposing portion 20 above the fold line L7 oscillates with the fold line L7 as the pivot axis, moving away from the main surface portion 10, so that the opening of the insertion opening 120 widens in the front-to-back direction. Furthermore, when folded in this manner, the portion of the opposing portion 20 above the fold line L7 also pivots using the boundary line (scribe line L1) between the opposing portion 20 and the main surface portion 10 as the pivot axis. Since the fold line L7 and the scribe line L1 intersect with each other, the portion of the opposing portion 20 above the fold line L7 does not maintain a flat (planar) shape, but folds or curves into a convex shape toward the direction away from the main surface portion 10. In this embodiment, the portion of the opposing portion 20 above the fold line L7 folds along the second fold line L8, which will be described later, and takes on a convex shape toward the direction away from the main surface portion 10. Furthermore, as will be described later, in this embodiment, the storage container 100 has a pair of opposing parts 20 on the left and right sides, and each opposing part 20 has a fold line L7, and each opposing part 20 can be folded in a direction that widens the opening of the insertion opening 120. In this case, by folding each opposing part 20 in a direction that widens the opening of the insertion opening 120, the distance between the pair of opposing parts 20 increases, and the opening of the insertion opening 120 widens not only in the front-to-back direction but also in the left-to-right direction.

[0019] The embodiment will be described in more detail below.

[0020] First, let's explain the blank sheet 200 using Figure 1. The blank sheet 200 is a flat, sheet-like (thin plate-like) material. The material of the blank sheet 200 is not particularly limited as long as it is a material that can be bent and deformed, but such a sheet-like (thin plate-like) material can be, for example, cardboard, so-called thick paper, corrugated cardboard, or plastic corrugated cardboard. In this embodiment, the blank sheet 200 is made of paper material, and its grain direction 201 is, for example, the vertical direction. In the blank sheet 200, the surface facing the outside of the containment container 100 (the back surface in Figure 1, i.e., the front surface) is, for example, a decorative surface with printing applied. The surface facing the outside of the containment container 100 may also be treated with a surface treatment such as a heat-resistant coating or a weather-resistant coating.

[0021] The blank sheet 200 according to this embodiment is a blank sheet 200 that forms a storage container 100 when folded. The blank sheet 200 comprises a main surface portion 10, an opposing portion 20 positioned opposite the main surface portion 10, and a holding portion 30 that holds the opposing portion 20 so that it is positioned opposite the main surface portion 10. The container 100 is such that the contents 300 are inserted into the opposing space 110 between the main surface portion 10 and the opposing portion 20, and the distance between the edge 22 on the opposing portion 20 opposite to the side held by the holding portion 30 and the portion on the main surface portion 10 facing the opposite edge forms an insertion opening 120 for the contents 300 relative to the opposing space 110. The opposing portion 20 has a fold line L7 formed on it for bending the opposing portion 20 in a direction that widens the opening of the insertion opening 120, and the fold line L7 extends in a direction different from the boundary line (scribe line L1, scribe line L2) between the opposing portion 20 and the main surface portion 10.

[0022] The main surface portion 10 is located, for example, in the center of the blank sheet 200. The shape of the main surface portion 10 is not particularly limited, but for example, it is a rectangular shape that is long in the vertical direction (e.g., a rectangular shape). An opening 10a is formed in the center of the main surface portion 10. The shape of the opening 10a is not particularly limited, but for example, it is a rectangular shape (e.g., a rectangular shape) that is elongated in the vertical direction.

[0023] In this embodiment, the blank sheet 200 is provided with a pair of opposing left and right portions 20. In Figure 1, the left opposing portion 20 (hereinafter referred to as opposing portion 20A) and the right opposing portion 20 (hereinafter referred to as opposing portion 20B) are formed symmetrically to each other. Each opposing portion 20 is formed, for example, to be elongated vertically. More specifically, the vertical dimension of the opposing portion 20 is approximately equal to the vertical dimension of the main surface portion 10. In this embodiment, the vertical dimension of the opposing portion 20 is shorter than the vertical dimension of the main surface portion 10 by a distance L22 (Figure 2), which will be described later. For example, the lower edge 21 of the opposing portion 20 is slightly inclined upward as it moves away from the main surface portion 10. For example, the upper edge 22 of the opposing portion 20 is inclined downward as it moves away from the main surface portion 10. For example, the inclination angle of the edge 22 is greater than the inclination angle of the edge 21. The boundary line between the opposing portion 20A and the main surface portion 10 is defined by the grid line L1. The boundary line between the opposing portion 20B and the main surface portion 10 is the grid line L2. Ruled lines L1 and L2 each extend in a straight line. For example, lines L1 and L2 extend parallel to each other. The opposing portion 20 has, for example, an edge 23 that extends parallel to the boundary line (ruled lines L1, L2).

[0024] As described above, the opposing portion 20 has a fold line L7 formed on it for bending the opposing portion 20 in the direction that widens the opening of the insertion opening 120. In this embodiment, a portion of the fold line L7 in its extending direction is a scribed line L71, and the other portion of the fold line L7 in its extending direction is a slit L72 that penetrates both the front and back of the opposing portion 20. More specifically, for example, the fold line L7 alternates between scribed lines L71 and slits L72.

[0025] Furthermore, a second fold line L8 is formed on the opposing portion 20 for folding the opposing portion 20. The second fold line L8 extends in a direction different from both the boundary line (ruled lines L1, L2) and the fold line L7. In this embodiment, the second fold line L8 is formed, for example, by a scribed line alone.

[0026] Furthermore, the opposing portion 20 has a locking hole 24, into which a locking piece 51 (described later) is locked, which penetrates both the front and back surfaces of the opposing portion 20.

[0027] The blank sheet 200 further includes a holding portion 30 and a second end-edge connecting portion 40. The holding portion 30 is connected to the lower side of the main surface portion 10. The boundary line between the holding portion 30 and the main surface portion 10 is a grid line L3. In other words, in this embodiment, the holding portion 30 is connected to the first edge (grid line L3), which is the edge of the main surface portion 10 in the direction from the insertion opening 120 (Figure 2) side toward the side held by the holding portion 30 in the opposing portion 20 (downward in Figures 2 and 1). For example, grid line L3 is perpendicular to both grid lines L1 and L2. The second edge connecting portion 40 is connected to the upper side of the main surface portion 10. The boundary line between the second edge connecting portion 40 and the main surface portion 10 is a grid line L4. In other words, the container 100 includes a second edge connecting portion 40 that is connected to the second edge (grid line L4), which is the edge of the main surface portion 10 opposite to the first edge (grid line L3). Ruled lines L3 and L4 extend in a straight line. For example, grid lines L3 and L4 extend parallel to each other. For example, grid lines L3 and L4 are orthogonal to both grid lines L1 and L2. The shape of the holding portion 30 is not particularly limited, but it is formed to be elongated from left to right.

[0028] On the edge 41 opposite to the ruled line L4 side of the second edge connecting portion 40, protruding pieces 50 are connected to both the left and right ends, respectively, which protrude upward. The boundary line between the protruding piece 50 and the second end edge connecting portion 40 (protruding piece boundary line L5) is formed, for example, by a ruled line L51 and a slit L52 that penetrates both sides of the blank sheet 200. The central part of the protruding piece boundary line L5 in the left-right direction is a slit L52, and the parts at both ends of the protruding piece boundary line L5 in the left-right direction are ruled lines L51. The slit L52 is curved convexly downwards, and the portion of the slit L52 that protrudes below the score line L51 forms the locking piece 51, which will be described later.

[0029] As shown above, grid lines are formed at the boundaries between each part of the blank sheet 200. Each ruled line is a straight groove formed on one or both sides of the blank sheet 200. Blank sheet 200 can be easily folded using the ruled lines as fold lines. Furthermore, the ruled lines may include not only grooves but also perforations.

[0030] As shown in Figures 2 to 4, the holding portion 30 holds the opposing portion 20 in a state where the opposing portion 20 is bent relative to the main surface portion 10 at the boundary line (ruled line L1, ruled line L2). More specifically, the opposing portion 20 is bent relative to the main surface portion 10 at the boundary line (scribe lines L1, L2) so that the opposing portion 20 is positioned to face the main surface portion 10, and the holding portion 30 is bent relative to the main surface portion 10 at the first end edge (scribe line L3) so that the opposing portion 20 is sandwiched between the main surface portion 10 and faces the main surface portion 10, and the holding portion 30 is fixed to the opposing portion 20 so that the opposing portion 20 is held by the holding portion 30. The holding portion 30 is joined and fixed (for example, by adhesive) to each opposing portion 20 at the joint portion 33 (the portion that is hatched in Figure 2, etc.). More specifically, each opposing portion 20 is bent approximately 180 degrees relative to the main surface portion 10, and is either close to or in contact (e.g., surface contact) with the back surface of the main surface portion 10. Furthermore, the holding portion 30 is bent approximately 180 degrees relative to the main surface portion 10, and is positioned close to the back surface of the main surface portion 10 with the opposing portion 20 in between. Furthermore, the holding portion 30 is in surface contact with, for example, the opposing portion 20.

[0031] The fold line L7 is inclined in a direction away from the boundary line (scribe line L1, scribe line L2) as it moves from the insertion opening 120 side toward the side held by the holding part 30 at the opposing part 20 (downward in Figure 2). As an example, the angle α (Figure 2) between the boundary line (ruled line L1, ruled line L2) and the fold line L7 is 15 degrees or more and less than 90 degrees, preferably 60 degrees or less. In this embodiment, the angle α is, for example, about 30 degrees.

[0032] In this embodiment, the extension direction of the second fold line L8 is closer to the direction perpendicular to the boundary lines (ruled lines L1 and L2) compared to the extension direction of the fold line L7. In this embodiment, the second fold line L8 extends in a direction perpendicular to the boundary line. However, the present invention is not limited to this example, and the second fold line L8 only needs to be inclined with respect to the boundary line and the fold line L7. The direction of the inclination of the second fold line L8 may be on the opposite side from the side on which the fold line L7 is inclined (in Figure 2, the direction away from the boundary line as you go upwards), or on the side on which the fold line L7 is inclined (in Figure 2, the direction away from the boundary line as you go downwards).

[0033] In this embodiment, the breaking strength of the opposing portion 20 at the second bending line L8 is greater than the breaking strength of the opposing portion 20 at the bending line L7. In this embodiment, the fold line L7 is formed by a creasing line that includes a slit, whereas the second fold line L8 is formed only by a creasing line that does not include a slit. As a result, the breaking strength of the opposing portion 20 in the second fold line L8 is greater than the breaking strength of the opposing portion 20 in the fold line L7. However, in the present invention, the folding line L7 and the second folding line L8 may be score lines that include slits that penetrate the opposing portion 20, or score lines that include slits (cuts) formed in a part of the thickness direction of the opposing portion 20, i.e., half-cut lines, or may be score lines without any score lines but include slits (those that penetrate or half-cut lines). For example, even if both the folding line L7 and the second folding line L8 are made in the same way, if the proportion of slits in the folding line L7 is larger, the breaking strength of the second folding line L8 can be increased.

[0034] Furthermore, in this embodiment, the folding line L7 is easier to fold than the second folding line L8 (it can be folded with less force). In this embodiment, the fold line L7 is formed by a scribed line that includes a slit, whereas the second fold line L8 is formed only by a scribed line that does not include a slit. As a result, the fold line L7 is easier to fold than the second fold line L8. However, even if both the fold line L7 and the second fold line L8 are made in the same way, if the fold line L7 has a larger proportion of slits, it can be made easier to fold the fold line L7.

[0035] As described above, the opposing portion 20 has an edge 23 that extends parallel to the boundary line (ruled line L1, ruled line L2). As shown in Figure 2, one end 71 of the fold line L7 and one end 81 of the second fold line L8 are each positioned on the edge 23. One preferred example is when the distance L21 from one end 71 of the fold line L7 to one end 81 of the second fold line L8 is greater than the width dimension W of the opposing portion 20 from the boundary line to the edge 23.

[0036] As shown in Figure 2, at a point (point P1) on the boundary line (ruled line L1, ruled line L2), the other end of the second fold line L8 intersects with the other end of the fold line L7.

[0037] Next, an example of the contents 300 will be explained using Figures 5 and 6. The outer shell of the container 300 is constructed by assembling the blank sheets shown in Figure 5. The blank sheet constituting the contents 300 is the same as the blank sheet 200, and the blank sheet is a flat sheet (thin plate), and its material is not particularly limited as long as it is a material that can be bent and deformed. Such a sheet (thin plate) material can be, for example, cardboard, so-called thick paper, corrugated cardboard, or plastic corrugated cardboard. In this embodiment, the blank sheet constituting the container 300 is made of paper. The outer surface of the blank sheet constituting the container 300 is, for example, a decorative surface with printing applied to it. The outer surface of the container 300 may be treated with a surface treatment such as a heat-resistant coating or a weather-resistant coating.

[0038] The container 300 has, for example, a bottom surface 310 and a top surface 340 that is parallel to and opposite the bottom surface 310. The bottom surface 310 is larger than the top surface 340. The shapes of the bottom portion 310 and the top portion 340 are not particularly limited, but for example, the bottom portion 310 and the top portion 340 are rectangular in shape. The container 300 further includes a side portion 320 connecting the bottom portion 310 and the top portion 340, a side portion 370 connected to the side portion 350 on the opposite side from the side portion 320, and a pair of side portions 350 connected to the top portion 340 on a side perpendicular to the side (vertical direction in Figure 5) to which the side portion 320 or the side portion 370 is connected (left-right direction in Figure 5). Each of the side sections 320, 350, and 370 is formed in a long rectangular shape. Each side portion 350 is connected to an insert piece 360. A pair of upper and lower bent pieces 330 are connected to the side portion 320. A pair of upper and lower bent pieces 380 are connected to the side portion 370. On the side portion 370, a connecting piece 390 is connected to the side opposite to the side to which the top portion 340 is connected (the right side in Figure 5). Ruled lines L11, L12, L13, L14, L15, L16, L17, and L18 are formed at the boundaries of each part of the contained object 300, respectively.

[0039] The side portion 320 is bent at a right angle to the bottom portion 310, the top portion 340 is bent at a right angle to the side portion 320 so that the top portion 340 is parallel to the bottom portion 310, the side portion 370 is bent at a right angle to the top portion 340 so that the side portion 370 is parallel to the side portion 320, the joining piece 390 is bent at a right angle to the side portion 370 and the joining piece 390 is brought into surface contact with the bottom portion 310, and the joining piece 390 is joined and fixed (for example, by adhesive) to the adhesive tab 311 of the bottom portion 310 (the hatched portion in Figure 5). Furthermore, each folded piece 330 is folded at a right angle to the side portion 320, and each folded piece 380 is folded at a right angle to the side portion 370. Furthermore, the outer shell of the contents 300 is assembled by folding each side portion 350 at a right angle to the top portion 340, and by folding each insertion piece 360 ​​at a right angle to the side portion 350, and inserting each insertion piece 360 ​​into the opposing space between the bottom portion 310 and the top portion 340. Furthermore, each insertion piece 360 ​​is inserted into the opposing space between the bottom surface 310 and the top surface 340 so that each bent piece 330 and each bent piece 380 fits within the opposing space between the pair of side surfaces 350. On the side where the connecting piece 390 is located, the insertion piece 360 ​​is inserted into the opposing space between the connecting piece 390 and the top surface 340.

[0040] Figures 6(a), (b), (c), and (d) show the container 300 assembled in this manner. As described above, the bottom portion 310 is larger than the top portion 340. As a result, as shown in Figure 6(a), the bottom portion 310 protrudes in three directions around the top portion 340. The portion of the bottom surface 310 that protrudes from the top surface 340 is referred to as the protruding portion 302. Furthermore, in the contents 300, the part excluding the protruding part 302 is referred to as the protruding part 301. As will be described later, the protruding portion 301 is the part that protrudes from the opening 10a of the main surface portion 10.

[0041] Next, using Figures 7 to 20, we will explain an example of the operation of placing the contents 300 into the container 100.

[0042] First, as shown in Figures 7, 8(b), 9, and 10, each opposing part 20 is folded in a valley fold along the fold line L7 and in a mountain fold along the second fold line L8. This widens the opening of the insertion opening 120. In other words, as described above, the opening of the insertion opening 120 widens in the front-to-back direction, and in this embodiment, it also widens in the left-to-right direction. In other words, in the state before the folding lines L7 and L8 are folded, as shown in Figure 8(a), the distance between the opposing part 20 and the main surface part 10 (in Figure 8(a), the main surface part 10 is located behind the second end edge connecting part 40, and the main surface part 10 is completely hidden by the presence of the second end edge connecting part 40 located in front of the main surface part 10) is narrow (effectively, there is no gap in the insertion opening 120). In response to this, the insertion opening 120 widens considerably as shown in Figure 8(b) when the fold line L7 and the second fold line L8 are folded. As described above, the fold line L7 is inclined away from the boundary line (scribe line L1, scribe line L2) as it moves from the insertion opening 120 side toward the side of the opposing part 20 that is held by the holding part 30. This allows the insertion opening 120 to be conveniently widened by folding the opposing part 20 along the fold line L7. Furthermore, since the opposing portion 20 has not only a fold line L7 but also a second fold line L8, the insertion opening 120 can be widened with less force. Furthermore, the extension direction of the second fold line L8 is closer to the direction perpendicular to the boundary lines (scribe lines L1 and L2) compared to the extension direction of the fold line L7. This allows the insertion opening 120 to be widened even further with less force. Furthermore, because the distance L21 is greater than the width dimension W, the bending line L7 can be positioned at a more acute angle with respect to the edge 23. As a result, when a pressing force is applied to the edge 23 of each opposing part 20 in the left-right direction outward (to the left with respect to the edge 23 of the left opposing part 20, and to the right with respect to the edge 23 of the right opposing part 20), a larger pressing force can be applied to the bending line L7. Consequently, it becomes possible to apply a larger moment force to the bending line L7, and the force required to bend the bending line L7 can be reduced. To explain this in more detail, the force F1 shown in Figure 2 represents a force acting on the edge 23 in the left-right direction outward, while forces F2 and F3 represent components of force F1. Of these, force F2 represents a force perpendicular to the bending line L7, and force F3 represents a force parallel to the bending line L7. As the distance L21 increases compared to the width dimension W, the ratio of force F2 to force F3 becomes larger, making it easier for the opposing portion 20 to bend along the bending line L7. Here, in the opposing section 20, the portion between the fold line L7 and the second fold line L8 will be referred to as the operating section 25. When folding the opposing section 20 to widen the opening of the insertion opening 120, it is considered particularly preferable to apply a pressing force outward in the left-right direction to the edge 23 of the operating section 25. When a pressing force is applied outward in the left-right direction to the edge 23 other than the operating section 25, the fold line L7, which has a low breaking strength and is easy to bend, will easily bend into a valley fold, but the second fold line L8, which has a high breaking strength and is difficult to bend, may not become a mountain fold. In contrast, when a pressing force is applied outward in the left-right direction to the edge 23 of the operating section 25, the operating section 25 can be easily lifted away from the main surface 10, allowing the fold line L7 to become a valley fold and the second fold line L8 to become a mountain fold. Furthermore, because the other end of the second folding line L8 and the other end of the folding line L7 intersect at a point (point P1) on the boundary line (ruled line L1, ruled line L2), the opposing part 20 can be easily folded without distorting the opposing part 20 at locations other than the folding line L7 and the second folding line L8.

[0043] Furthermore, when the fold line L7 and the second fold line L8 are folded, the main surface portion 10 curves convexly toward the front side. This curved shape is generally such that, with a straight line connecting points P1 on the left and right opposing parts 20 as the reference line, the parts on both sides of this reference line on the main surface 10 intersect with each other. The reason the main surface portion 10 curves in this way is that as the folding lines L7 and the second folding line L8 are folded, the edges 23 bend as shown in Figure 7, and the portion of the main surface portion 10 above point P1 is pulled downward by the opposing portion 20. Here, as described above, since the breaking strength of the opposing portion 20 at the second bending line L8 is greater than the breaking strength of the opposing portion 20 at the bending line L7, it is possible to effectively suppress the opposing portion 20 from breaking at the second bending line L8 when the opposing portion 20 pulls on the main surface portion 10 in this manner. On the other hand, as mentioned above, since the fold line L7 is easier to fold than the second fold line L8, the fold line L7 can be easily and sufficiently folded.

[0044] Next, as shown in Figures 11, 12, and 13, the contents 300 are inserted from the insertion opening 120 to the opposite spacing 110. In this configuration, the orientation of the contents 300 is such that the protruding portion 302 side (i.e., the bottom portion 310 side) is located on the back side of the container 100 (the front side in Figure 11), and the projection portion 301 side is located on the front side of the container 100 (the back side in Figure 11). Furthermore, the longitudinal direction of the projection portion 301 is aligned with the longitudinal direction of the opening 10a. Then, the protruding portion 302 is inserted through the insertion opening 120 between one of the opposing portions 20 and the main surface portion 10 into the gap 110 between the opposing portion 20 and the main surface portion 10. Furthermore, the protruding portion 301 is made to protrude from the front side of the main surface portion 10 through the opening 10a.

[0045] Furthermore, the protruding portion 302 protrudes only to one side in the short direction of the projection 301. Therefore, in this embodiment, the protruding portion 302 is not inserted into the opposing gap 110 between the other opposing portion 20 and the main surface portion 10. In other words, the storage container 100 has a pair of opposing portions 20 arranged symmetrically in a direction (left-right direction) perpendicular to the insertion direction (downward direction) of the contents 300 with respect to the center of the opening 10a, and the contents 300 are inserted into the opposing gap 110 between one of the pair of opposing portions 20 and the main surface portion 10.

[0046] Furthermore, as shown in Figures 14, 15, 16(a), and 16(b), in the protruding portion 302, the portion that protrudes downward from the projection portion 301 is inserted into the opposing portion 20 below the opening 10a and the opposing space 110 between the main surface portion 10, so that the entire projection portion 301 protrudes to the front side of the main surface portion 10 through the opening 10a. Here, the planar shape of the protrusion 301 is substantially the same as the planar shape of the opening 10a, and the inner periphery of the opening 10a is positioned along the outer periphery of the protrusion 301. Furthermore, the left-right width dimension of the opening 10a is set to be slightly larger (effectively the same) than the left-right width dimension of the protruding portion 301. Therefore, the contents 300 can be smoothly inserted into the opposing spacing 110 while the protruding portion 301 is guided by the inner periphery of the opening 10a. Furthermore, as described above, when the opposing portion 20 is folded along the folding line L7 and the second folding line L8, the main surface portion 10 has a curved shape, which allows the insertion of the contents 300 into the opposing gap 110 to be more smoothly performed by guiding the protruding portion 301 with the inner edge of the opening 10a.

[0047] Next, as shown in Figures 17, 18, 19, and 20, the second edge connecting portion 40 is folded relative to the main surface portion 10 along the ruled line L4 (Figure 2, etc.) (by making a valley fold when viewed from the back side), and the second edge connecting portion 40 is placed on top of the back side of the main surface portion 10. At this time, both ends of the second edge connecting portion 40 in the left-right direction are positioned opposite the main surface portion 10 with the opposing portion 20 in between. Furthermore, each protruding piece 50 is bent at the boundary line L5 of the protruding piece (folded in a valley fold when viewed from the back side), and each locking piece 51 is inserted into each locking hole 24 and locked in place. As a result, the contents 300 can be contained within the container 100, as shown in Figures 17, 18, 19, and 20. Thus, the housing structure 400 according to this embodiment is obtained. In the states shown in Figures 17, 18, 19, and 20, each opposing section 20 is restored to a flat state (a state in which the fold line L7 and the second fold line L8 are not substantially folded).

[0048] Thus, the storage structure 400 according to this embodiment comprises a storage container 100 and a storage object 300, wherein an opening 10a is formed in the main surface portion 10, and when the storage object 300 is stored in the storage container 100, a part of the storage object 300 (a protruding portion 301) protrudes to the outside through the opening 10a. The containment structure 400 is also commonly referred to as a blister pack.

[0049] As mentioned above, the extension direction of the second fold line L8 is closer to the direction perpendicular to the boundary lines (ruled lines L1 and L2) compared to the extension direction of the fold line L7. Here, in the process of inserting the contents 300 into the opposing spacing 110, when a portion of the contents 300 (protruding portion 301) reaches the opening 10a, the second fold line L8 is located on the side held by the holding portion 30 in the opposing portion 20, relative to the end 302a (Figure 13) of the contents 300 in the direction from the insertion opening 120 side toward the side held by the holding portion 30 in the opposing portion 20 (downward side). Figure 13 shows a state further down the line than when a portion of the contents 300 (the protruding portion 301) reaches the opening 10a. Even in the state shown in Figure 13, the second fold line L8 is located on the side (left side in Figure 13) where it is held by the holding portion 30 in the opposing portion 20, relative to the end 302a. When the opposing portion 20 is folded along the folding line L7 and the second folding line L8, the distance between the edges 23 of the pair of opposing portions 20 is increased (see Figure 7). Therefore, by positioning the second bending line L8 on the side of the opposing portion 20 that is held by the holding portion 30, rather than the end 302a when the protruding portion 301 reaches the opening 10a, interference between the end 302a of the overhanging portion 302 and the opposing portion 20 can be suppressed.

[0050] Here, as shown in Figures 17, 18, 19, and 20, when the contents 300 are contained in the container 100, a window portion 10b is formed between the second edge connecting portion 40, one of the pair of opposing portions 20, the other of the pair of opposing portions 20, and the holding portion 30, making the contents 300 visible through the window portion 10b. Therefore, when the contents 300 are contained in the container 100, it becomes easy to identify the contents 300.

[0051] The window portion 10b and the opening 10a are formed to have the same width dimension, and when viewed in the direction perpendicular to the main surface portion 10 (that is, in a direction perpendicular to the main surface portion 10, i.e., the front direction or the back direction), the side edges of the window portion 10b and the opening 10a overlap each other in the direction perpendicular to the boundary line (ruled line L1, ruled line L2) (left-right direction). Here, for example, as described above, the outer surface of the container 100 is a decorative surface. On the other hand, the inner surface of the container 100 is not a decorative surface, but rather a surface where the paper material itself is exposed, and its appearance is inferior to that of the outer surface. In such a case, when viewed perpendicular to the surface of the main surface 10, the side edges of the window portion 10b and the opening 10a overlap in the direction perpendicular to the boundary lines (ruled lines L1 and L2) (left and right direction). As a result, the inner surface of the containment container 100 is less visible from the outside, thus improving the appearance of the containment structure 400. More specifically, the window portion 10b and the opening 10a are formed to be the same shape and dimensions as each other, and when viewed in the direction perpendicular to the main surface portion 10 (i.e., in a direction perpendicular to the main surface portion 10, i.e., the front direction or the back direction), the inner edges of the window portion 10b and the opening 10a overlap. Therefore, even if the appearance of the inner surface of the containment container 100 is inferior to the appearance of the outer surface of the containment container 100, the appearance of the containment structure 400 can be made better.

[0052] Furthermore, the container 100 is equipped with a locking mechanism (composed of a locking hole 24 and a locking piece 51) that locks the second edge connecting portion 40 and the opposing portion 20 together when the second edge connecting portion 40 is bent relative to the main surface portion 10 along the score line L4 so that the second edge connecting portion 40 faces the main surface portion 10 with the opposing portion 20 in between. The locking portion has a locking hole 24 formed in the opposing portion 20 and a locking piece 51 formed on the protruding piece 50 connected to the second end edge connecting portion 40. When the locking piece 51 is locked into the locking hole 24, the locking piece 51 protrudes from the portion of the protruding piece 50 other than the locking piece 51 in the opposite direction to the insertion direction of the contents 300 (upward in Figure 17). As described above, the sheet material (blank sheet 200) is made of paper, and its grain direction 201 is in the direction along the insertion direction (up and down direction), as shown in Figure 1. In other words, the grain direction 201 is such that the locking piece 51 that is locked in the locking hole 24 is less likely to bend. As a result, when the second edge connecting portion 40 is bent relative to the main surface portion 10, it can obtain a greater reaction force that tries to return to a flat state starting from the crease line L4. Consequently, when the locking piece 51 is locked in the locking hole 24, sufficient engagement force of the locking piece 51 with respect to the locking hole 24 can be ensured, so that the storage container 100 can be locked more firmly. Furthermore, since the fold line L7 and the second fold line L8 are formed in a direction that intersects with respect to the grain direction 201, the opposing portion 20 can be folded along the fold line L7 and the second fold line L8 to form a standardized fold line (crease). In other words, once a crease is formed, it is stably maintained. As a result, a standardized insertion opening 120 can be formed, and the contents 300 can be stably accommodated. Similarly, since the crease line L4 is formed in a direction intersecting the grain direction 201, the fold formed by folding along the crease line L4 on the second edge connecting portion 40 is also formed with high precision, resulting in good positional accuracy of the locking piece 51 relative to the locking hole 24. As a result, the locking piece 51 can be locked to the locking hole 24 with the desired engagement force, making it possible to lock the storage container 100 more stably.

[0053] Here, as shown in Figure 2, the edge 22 on the opposite side of the opposing portion 20 from the side held by the holding portion 30 is offset relative to the score line L4 by a distance L22 less than the thickness dimension of the sheet material (blank sheet 200) in the insertion direction. This makes it easy to bend the second end edge connecting portion 40 with respect to the main surface portion 10.

[0054] The embodiments have been described above with reference to the drawings, but these are merely examples of the present invention, and various other configurations can also be adopted.

[0055] For example, in the above description, an example was given in which the containment container 100 is made of a single blank sheet 200, but the present invention is not limited to this example. For example, one or more parts of the main surface portion 10, the opposing portion 20, the holding portion 30, the second end edge connecting portion 40, and the protruding piece 50 may be formed separately from the other parts, and such one or more parts may be fixed by fixing tape or the like.

[0056] This embodiment encompasses the following technical concepts. (1) A container formed from a sheet material for containing contents, Main surface and, The main surface portion and the opposing portion facing it, A holding portion that holds the opposing portion such that the opposing portion is positioned to face the main surface portion, Equipped with, The contents are inserted into the gap between the main surface and the opposing surface. The distance between the edge of the opposing portion opposite to the side held by the holding portion and the portion of the main surface portion facing the opposite edge forms the insertion opening for the contents relative to the distance between the opposing portions. The opposing portion has a fold line formed on it for bending the opposing portion in a direction that widens the opening of the insertion opening. The aforementioned folding line extends in a direction different from the boundary line between the opposing portion and the main surface portion of the container. (2) The container according to (1), wherein the fold line is inclined away from the boundary line as it moves from the insertion side toward the side held by the holding part in the opposing part. (3) The storage container according to (1) or (2), wherein the holding portion holds the opposing portion in a state in which the opposing portion is bent relative to the main surface portion at the boundary line. (4) The opposing portion has a second fold line formed thereon for bending the opposing portion, The container according to (1) or (2), wherein the second fold line extends in a direction different from both the boundary line and the fold line. (5) The container according to (4), wherein the direction of extension of the second fold line is closer to the direction perpendicular to the boundary line compared to the direction of extension of the fold line. (6) The container according to (4), wherein the breaking strength of the opposing portion in the second fold line is greater than the breaking strength of the opposing portion in the fold line. (7) The opposing portion has an edge that extends parallel to the boundary line, One end of the aforementioned fold line and one end of the second fold line are each positioned on the edge, The container according to (4), wherein the distance from one end of the first bend to one end of the second bend is greater than the width dimension of the opposing portion from the boundary line to the edge. (8) The container according to (7), wherein the other end of the second fold line intersects with the other end of the fold line at a point on the boundary line. (9) The retaining portion is connected to the first edge which is the edge of the main surface portion in the direction from the insertion opening side toward the side held by the retaining portion in the opposing portion, The opposing portion is bent at the boundary line relative to the main surface portion so that it is positioned opposite to the main surface portion, The container according to (3), wherein the holding portion is fixed to the opposing portion in a state in which the holding portion is bent with respect to the main surface portion at the first edge so as to face the main surface portion with the opposing portion sandwiched in between, and the opposing portion is held by the holding portion. (10) The containment container described in (1) or (2), The aforementioned contents and, A housing structure comprising, An opening is formed in the main surface portion. A storage structure in which, when the contents are stored in the storage container, a portion of the contents protrudes to the outside through the opening. (11) The opposing portion has a second fold line formed thereon for bending the opposing portion, The direction of extension of the second fold line is closer to the direction perpendicular to the boundary line compared to the direction of extension of the first fold line. The storage structure according to (10), wherein, in the process of inserting the storage into the opposing spacing, when a portion of the storage reaches the opening, the second fold line is located on the side held by the holding portion, rather than the end of the storage in the direction from the insertion side toward the side held by the holding portion in the opposing portion. (12) The containment container comprises a pair of opposing parts arranged symmetrically in a direction perpendicular to the boundary line with respect to the center of the opening, The holding portion is connected to the first edge, which is the edge of the main surface portion in the direction from the insertion opening side toward the side held by the holding portion in the opposing portion, and is opposite the main surface portion with the opposing portion in between. The container further comprises a second edge connecting portion connected to the second edge, which is the edge of the main surface portion opposite to the first edge, The second end-edge connecting portion faces the main surface portion with the opposing portion in between. A window portion is formed between the second end edge connecting portion, one of the pair of opposing portions, the other of the pair of opposing portions, and the holding portion. The storage structure according to (10), wherein the contents can be viewed through the window when the contents are stored in the storage container. (13) The window portion and the opening are formed to have the same width dimension, The housing structure according to (12), wherein when viewed in the direction perpendicular to the surface of the main surface, the side edges of the window and the opening in the direction perpendicular to the boundary line overlap each other. (14) A blank sheet that forms a container when folded, Main surface and, A facing portion is positioned opposite the main surface portion, A holding portion that holds the opposing portion such that the opposing portion is positioned to face the main surface portion, Equipped with, The container is such that an object is inserted into the gap between the main surface and the opposing surface, and the gap between the edge of the opposing surface opposite to the side held by the holding surface and the portion of the main surface facing the opposite edge forms an insertion opening for the object relative to the gap. The opposing portion has a fold line formed on it for bending the opposing portion in a direction that widens the opening of the insertion opening. The aforementioned fold line extends in a direction different from the boundary line between the opposing portion and the main surface portion of the blank sheet. [Explanation of symbols]

[0057] 10 Main surface 10a opening 10b Window section 20, 20A, 20B Opposite part 21, 22 Edge 23 Edge 24 Locking holes 25 Control section 30 Holding part 31 Edge 33 Joint 40 Second edge connection part 41 Edge 50, 50A, 50B protruding piece 51 Locking piece 71, 81 one end 100 containers 110 Opposite interval 120 Insertion slot 200 Blank Sheets (Sheet Material) 201 Paper grain direction 300 contents 300a contents 301 Projection (partial) 302 Overhang 302a end 310 Bottom part 311 overlap 320, 350, 370 side part 330, 380 bent piece 340 Top section 360 Insertion piece 390 Joint piece 400 Containment Structures L1, L2, L3, L4 grid lines L5 protruding piece boundary line L7 Folding line L8 Second folding line L11, L12, L13, L14, L15, L16, L17 grid lines L51 grid lines L52 Slit L71 grid lines L72 Slit P1 point

Claims

1. A container formed from a sheet material for containing contents, Main surface and, The main surface portion and the opposing portion facing it, A holding portion that holds the opposing portion such that the opposing portion is positioned to face the main surface portion, Equipped with, The contents are inserted into the gap between the main surface and the opposing surface. The distance between the edge of the opposing portion opposite to the side held by the holding portion and the portion of the main surface portion facing the opposite edge forms the insertion opening for the contents relative to the distance between the opposing portions. The opposing portion has a fold line formed on it for bending the opposing portion in a direction that widens the opening of the insertion opening. The aforementioned folding line extends in a direction different from the boundary line between the opposing portion and the main surface portion of the container.

2. The container according to claim 1, wherein the fold line is inclined in a direction away from the boundary line as it moves from the insertion opening side toward the side held by the holding part in the opposing part.

3. The storage container according to claim 1 or 2, wherein the holding portion holds the opposing portion in a state in which the opposing portion is bent relative to the main surface portion at the boundary line.

4. The opposing portion has a second fold line formed therein for bending the opposing portion. The container according to claim 1 or 2, wherein the second fold line extends in a direction different from both the boundary line and the fold line.

5. The container according to claim 4, wherein the direction of extension of the second fold line is closer to the direction perpendicular to the boundary line compared to the direction of extension of the fold line.

6. The container according to claim 4, wherein the breaking strength of the opposing portion in the second fold line is greater than the breaking strength of the opposing portion in the fold line.

7. The opposing portion has an edge that extends parallel to the boundary line, One end of the aforementioned fold line and one end of the second fold line are each positioned on the edge, The container according to claim 4, wherein the distance from one end of the fold line to one end of the second fold line is greater than the width dimension of the opposing portion from the boundary line to the edge.

8. The container according to claim 7, wherein the other end of the second fold line and the other end of the fold line intersect at a point on the boundary line.

9. The holding portion is connected to the first edge, which is the edge of the main surface portion in the direction from the insertion opening side toward the side held by the holding portion in the opposing portion. The opposing portion is bent at the boundary line relative to the main surface portion so that it is positioned opposite to the main surface portion, The container according to claim 3, wherein the holding portion is fixed to the opposing portion in a state in which the holding portion is bent relative to the main surface portion at the first edge so as to face the main surface portion with the opposing portion sandwiched in between, and the opposing portion is held by the holding portion.

10. A container according to claim 1 or 2, The aforementioned contents and, A housing structure comprising, An opening is formed in the main surface portion. A storage structure in which, when the contents are stored in the storage container, a portion of the contents protrudes to the outside through the opening.

11. The opposing portion has a second fold line formed therein for bending the opposing portion. The direction of extension of the second fold line is closer to the direction perpendicular to the boundary line compared to the direction of extension of the first fold line. The storage structure according to claim 10, wherein, in the process of inserting the storage into the opposing spacing, when a portion of the storage reaches the opening, the second fold line is located on the side held by the holding portion, rather than the end of the storage in the direction from the insertion side toward the side held by the holding portion in the opposing portion.

12. The aforementioned container comprises a pair of opposing parts arranged symmetrically in a direction perpendicular to the boundary line with respect to the center of the opening, The holding portion is connected to the first edge, which is the edge of the main surface portion in the direction from the insertion opening side toward the side held by the holding portion in the opposing portion, and is opposite the main surface portion with the opposing portion in between. The container further comprises a second edge connecting portion connected to the second edge, which is the edge of the main surface portion opposite to the first edge, The second end-edge connecting portion faces the main surface portion with the opposing portion in between. A window portion is formed between the second end edge connecting portion, one of the pair of opposing portions, the other of the pair of opposing portions, and the holding portion. The storage structure according to claim 10, wherein the contents can be viewed through the window when the contents are stored in the storage container.

13. A blank sheet into which a container is formed by folding, Main surface and, A facing portion is positioned opposite the main surface portion, A holding portion that holds the opposing portion such that the opposing portion is positioned to face the main surface portion, Equipped with, The container is such that an object is inserted into the gap between the main surface and the opposing surface, and the gap between the edge of the opposing surface opposite to the side held by the holding surface and the portion of the main surface facing the opposite edge forms an insertion opening for the object relative to the gap. The opposing portion has a fold line formed on it for bending the opposing portion in a direction that widens the opening of the insertion opening. The aforementioned fold line extends in a direction different from the boundary line between the opposing portion and the main surface portion of the blank sheet.

Images