JP3009925U - Container that can be expanded and flattened - Google Patents

Abstract

(57) [Summary] [Purpose] After being manufactured, it is convenient to store, transport, and carry by flattening, and it can be easily expanded during use, and it can be flattened after use. Expansion that can be made into a small volume of waste by
It is an object of the present invention to provide a container that can be flattened. [Composition] A pair of side walls and a bottom surface and / or a top surface are provided with notches, and when the container is flattened, the side walls, bottom surface, or top surface are deformed by these notches, After flattening, it can be expanded by applying an appropriate force. [Effect] When used, it can be easily expanded from a flat shape, and by flattening it is convenient for storage, transportation, and carrying, and when used, it can be discarded in a small volume by making it flat. It is a thing.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 INDUSTRIAL APPLICABILITY The present invention relates to a container that can be expanded and flattened, and in particular, the volume can be reduced, and the space required for transportation and storage can be downsized. It is about.

[0002]

[Prior art and its problems]

 Conventionally, a plurality of disposable paper cups or polystyrene bowls can be stacked, but the volume cannot be minimized and it is inconvenient for storage. In addition, after using such a cup or bowl, when discarding it, it is difficult to press it properly and flatten it, and the volume as waste is large, so it takes time to dispose of it. And needed space. In addition, such a cup or bowl could not be flattened and was inconvenient to carry.

On the other hand, disposable paper cups formed by two pieces of paper have also been developed. With such a cup, it is possible to reduce the volume, but since it cannot stand, it must be used by hand, and it is not suitable for use.

In addition, in the case of a container made of a sealed or cube-shaped paper that has appeared on the market, it is difficult to flatten the container after use, resulting in a large volume of waste. Oops.

The present invention has been made in view of the above problems, and is flattened after being manufactured, which is convenient for storage, transportation, and carrying, and can be easily opened during use. Moreover, it is an object of the present invention to provide a container which can be expanded and flattened, and can be made into a waste having a small volume by flattening after use.

[0006]

[Means for Solving the Problems]

 To achieve the above object, the present invention provides at least a container having a plurality of adjacent side walls forming a peripheral surface of a container and a bottom surface surrounded by lower edges of the side walls and integrated with the side walls. A pair of opposing and parallel side walls are each formed with a linear notch or fold extending from its upper edge to its lower edge, the notches or folds being mutually adjacent. In addition to being symmetrical, linear notches or folds connected to the lower ends of these notches or folds are also formed on the bottom surface, and the linear notches formed on the respective side walls are also formed. Two diagonal linear notches or folds are formed that extend from one point in the lower half of the notch or fold to the lower corner of the side wall. These diagonal linear notches or folds form a triangular deformation surface with the lower edge of the side wall, and the two diagonal linear notches or folds on the one side wall are When the one side wall other than the pair of side walls is pressed toward the one side wall in the opposite direction, the pair of side walls are symmetrical with the two diagonal linear notches or folds on the other side wall. The triangular deformation surface and the bottom surface can be folded by the linear notches or folds to make the container flat, and can be expanded into the shape of the container. It is a container that can be expanded and flattened.

In addition, the present invention provides a plurality of adjacent side walls forming the peripheral surface of the container, a top surface provided on the upper edges of these side walls, and a side wall surrounded by the lower edges of these side walls. In a container having a bottom surface, at least a pair of opposed and parallel side walls are formed with linear notches or folds extending from their upper edges to their lower edges, respectively. Or, the folds are symmetrical to each other, and the top face and the bottom face are also formed with these notches, or linear notches or folds connecting the upper end and the lower end of the fold, respectively. Also, two slant lines extending from one point of the linear notch formed on each of the side walls or one point of the upper half and the lower half of the fold to the upper and lower corners of the side wall, respectively. Directional linear notches or folds are formed. These slanting linear notches or folds form a triangular deformed surface with the upper edge and lower edge of the side wall, and two upper and lower slanting linear notches on the one side wall. , Or the folds are symmetrical with each two diagonal linear notches or folds on the other side wall, and one side wall other than the pair of side walls faces the one side wall in the opposite direction. In case of pressing by pressing, the pair of side walls, the triangular deformation surface, the top surface and the bottom surface can be folded by their linear notches or folds to make the container flat, and also expanded to the shape of the container. A container that can be expanded and flattened, which is characterized by being openable.

[0008]

[Action]

 With the above configuration, the container can be easily opened and flattened by a simple manual operation.

[0009]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail.

As shown in FIG. 1, the main body 10 of the container 1 of the present invention mainly includes a first side wall 11, a second side wall 12, a third side wall 13, a fourth side wall 14, and a bottom surface 15. Include. The main body 10 is formed by appropriately folding a sheet of irregularly shaped paper, and is formed between the first side wall 11 and the second side wall 12, the second side wall 12 and the third side wall 13, and the third side wall. Folds 17, 18, and 19 are formed between 13 and the fourth side wall 14, respectively. A bonding piece 21 further extends integrally with the outside of the fourth side wall 14, and a fold 20 is formed between the bonding piece 21 and the fourth side wall 14. A rectangular bottom surface 15 integrally extends below the first side wall 11. A fold 22 is formed between the bottom surface 15 and the first side wall 11. Of course, the bottom surface 15 may not be integrated with the first side wall 11 described above, but may be formed independently and connected to the first side wall 11. Further, the bonding pieces 23, 24, 25 are integrally extended to the three free edges of the bottom surface 15, respectively, and between the bonding pieces 23, 24, 25 and the bottom surface 15. Has folds 26, 27 and 28, respectively. The bonding piece 21 is bonded to the outer edge portion 16 of the first side wall 11, and the bonding pieces 23, 24 and 25 on the bottom surface are bonded to the fourth side wall 14, the third side wall 13 and the second side wall 12, respectively. Then, the container 1 having the opening 37 at the upper end as shown in FIG. 3 can be formed by appropriately folding the respective folds. This part is well known.

The improvements of the present invention are as follows. As shown in FIG. 4 (see also FIG. 1), linear folds extending upward and downward of the container are to be formed on the first side wall 11 and its opposing side wall, that is, the third side wall 13. Notches 29 and 32 are engraved. The notches 29 and 32 to be formed with folds are substantially perpendicular to the bottom surface 15 and parallel to each other. Also on the bottom surface 15 and on the bonding piece 24 on the lower side of the third side wall 13, the crease formation scheduled notch 42 that overlaps the virtual connecting line of the lower ends of these notches 29 and 32, and the notch that overlaps the notch 32, respectively. 44 is engraved. In addition, from the point B near the lower end of the lower half of the notch 29 to both corners of the lower side of the first side wall 11 in which the notch 29 is formed, notches 31 and 30 for forming diagonal folds are engraved. Has been done. Similarly, from the point B ′ on the line of the notch 32 near the lower end of the lower half of the notch 32 to the both corners of the lower side of the third side wall 13 where the notch 32 is formed, the diagonal crease formation notch is planned. 33 and 34 are engraved. The notches 31 and 30 are symmetrical with the notches 33 and 34. For convenience of the following description, portions of the notches 29 and 32 below the points B and B'are represented by reference numerals 43 and 45. It should be noted that the notches 31, 30 for forming the diagonal folds cooperate with the folds 22 of the bottom surface 15 to form the triangular deformation surface 35. On the other hand, the diagonal crease formation scheduled notches 33 and 34 cooperate with the crease 27 of the bottom surface 15 to form a triangular deformation surface 36.

With respect to the main body 10 of FIG. 1, after appropriately bonding the bonding pieces 21, 23, 24, 25 and performing watertight treatment, etc., the crease formation scheduled notches 29, 32, 42 of the formed container are formed. , 43, 45, 30, 31, 31, 33, and 34 are appropriately folded to form a fold, and by appropriately pressing and flattening the container, the container has a flat shape as shown in FIG. In the state of FIG. 2, the notches 29, 32, 30, 31, 31, 33, 34 are outer folds, and the notches 42, 43, 45 are inner folds. In the state shown in FIG. 2, the triangular deformation surfaces 35 and 36 are notches 43 and 45, so that they are two triangular surfaces.

When it is desired to expand the flat container shown in FIG. 2 to a usable state, simply use two fingers in the direction of arrow A in FIG. 2 to lightly touch the vertices B and B ′ of the triangular deformation surfaces 35 and 36. All you have to do is apply force. As shown in FIG. 3, in this state, the container 1 can stand on its own. When it is desired to make the container 1 flat after use, the force to move inwardly to the notch 42 of the bottom surface 15 while simply grasping the lower edges of the second side wall 12 and the fourth side wall 14 shown in FIG. Is added, the container 1 naturally returns to the flat shape shown in FIG.

Each of the linear notches 29, 32, 42, 43, 45, 30, 31, 33, 34 may be first formed as a fold by a manufacturing process.

The triangular deformation surfaces 35 and 36 play a very important role during the deformation process of the container 1. These triangular deformation surfaces 35, 36 are not flat and deform according to the expansion force or the pressing force to smooth the expansion or flattening of the container 1. In order to more easily achieve this purpose, as shown in FIG. 5, the notches 43, 45 to be folded on these triangular deformation surfaces 35, 36 are shortly cut in the lateral direction 38, 39 intersecting them. May be formed. In order to make the deformation smooth, such notches 38 and 39 may be formed at the other notches to be formed, and the shape thereof is not limited to a straight line and may be a wave.

As shown in FIG. 5, vertical notches 40 and 41 may be formed on the second side wall 12 and the fourth side wall 14 along the center line thereof. As a result, the expanded container 2 shown in FIG. 6 has an octagonal opening 37 that is close to a circle. The procedure for flattening and expanding the container 2 is the same as that shown in FIGS. 2 and 3, and therefore its explanation is omitted here. The container 2 shown in FIGS. 5 and 6 is the same as the container 1 shown in FIG. 1 except that it has notches 38, 39, 40 and 41.

FIG. 7 shows another embodiment of the present invention. In this embodiment, the box-shaped container 3 having a top surface 51 is in a hermetically sealed or sealable state. The structures of the two vertically symmetrical parts separated by the virtual line 50 are almost the same as the structure of FIG. The difference from FIG. 3 is that each side wall of FIG. 3 is trapezoidal and each side wall of FIG. 7 is rectangular. FIG. 8 shows an aspect after the flattening. The procedure for flattening and expanding the container 3 is the same as that shown in FIGS. 2 and 3, and therefore its explanation is omitted here.

FIG. 9 shows an example in which the bonding pieces 23, 24, 25 are formed on the lower edges of the side walls 14, 13, 12, respectively.

FIG. 10 and FIG. 11 show another embodiment of the present invention. The container 4 of this embodiment has a hexagonal cross-section and its first and third side walls 11 ', 13' are different in shape from the second and fourth side walls 12 ', 14'. In this embodiment, by having the trapezoidal first and third side walls 11 ', 13' shaped appropriately and forming the notches 29 ', 32' despite having four side walls. , A container 4 having a hexagonal opening can be formed.

[0020]

[Effect of device]

 As described above, according to the present invention, by being flattened after being manufactured, it is convenient for storage, transportation, and carrying, and at the same time, it can be easily opened during use. By flattening, it is possible to provide a container that can be expanded and flattened and can be made into waste with a small volume.

[Brief description of drawings]

FIG. 1 is a plan view showing a state in which a container according to a first embodiment of the present invention is not formed.

FIG. 2 is a perspective view showing a state where the embodiment shown in FIG. 1 is further flattened after being molded into a container.

FIG. 3 is a perspective view after the embodiment shown in FIG. 1 is molded into a container (expanded state).

FIG. 4 is a perspective view showing a shielding portion of the container of the present invention in the state of FIG.

FIG. 5 is a plan view of the second embodiment of the present invention when it is not molded into a container.

FIG. 6 is a perspective view after the embodiment shown in FIG. 5 is molded into a container.

FIG. 7 is a perspective view of the third embodiment of the present invention after being molded into a container.

FIG. 8 is a perspective view showing a state where the embodiment shown in FIG. 7 is further flattened after being molded into a container.

FIG. 9 is a plan view of the container according to the fourth embodiment of the present invention when it is not molded.

FIG. 10 is a plan view of a fifth embodiment of the present invention when it is not molded into a container.

FIG. 11 is a perspective view after the embodiment shown in FIG. 10 has been molded into a container.

[Explanation of symbols]

1 Container 10 Container Main Body 11, 11 'First Side Wall 12, 12' Second Side Wall 13, 13 'Third Side Wall 14, 14' Fourth Side Wall 15 Bottom 16 Outer Edge 17, 18, 19, 20, 22, 26 , 27, 28 Fold 2 container 21, 23, 24, 25 Lamination piece 29, 32 Linear notch 3 Container 30, 31, 33, 34 Diagonal linear notch 35, 36 Triangular deformation surface 37 Opening 38, 39 notches 4 container 40, 41 notches 42 notches 43, 45 notches 44 notches 50 virtual lines 51 top surface

Claims (4)

[Scope of utility model registration request] 1. A container having a plurality of adjacent side walls forming a peripheral surface of the container and side faces surrounded by lower edges of the side walls and integrated with the side walls, at least a pair of facing and parallel to each other. The sidewalls are formed with linear notches or folds extending from the upper edge to the lower edge, and the notches or folds are symmetrical to each other and also on the bottom surface. Linear notches or folds connected to the lower ends of these notches or folds are formed,
Also, linear notches formed on the respective side walls,
Or, two diagonal linear notches or folds extending from one point of the lower half of the fold to both lower corners of the side wall are formed, and these diagonal linear notches, or The fold forms a triangular deformed surface with the lower edge of the side wall, and the two fold linear notches on the one side wall, or the fold is two diagonal straight lines on the other side wall. When the one side wall other than the pair of side walls is pressed toward the one side wall in the opposite direction, the pair of side walls, the triangular deformation surface, and the bottom face are symmetrical with respect to the notches or folds. Linear notches,
Alternatively, a container that can be expanded and flattened, characterized in that it can be folded by a fold to make the container flat, and after flattening, can be expanded into the shape of the container. 2. A plurality of adjacent side walls forming the peripheral surface of the container, a top surface provided on the upper edges of these side walls, and a bottom surface surrounded by the lower edges of these side walls and integrated with these side walls. In the container having, at least a pair of opposed and parallel side walls are formed with linear notches or folds each extending from the upper edge to the lower edge, and these notches or folds are In addition to being symmetrical to each other, the top surface and the bottom surface are also formed with these notches, or linear notches or folds connected to the upper and lower ends of the fold, respectively, and From the linear notch formed on the side wall, or one point of the upper half and the lower half of the fold,
2 extend to both upper and lower corners of the side wall
The book is formed with diagonal linear notches or folds, and these oblique linear notches or folds form the upper edge, lower edge and triangular deformation surface of the side wall, respectively. Moreover, the upper and lower two diagonal linear notches or folds on one side wall are symmetrical with the two diagonal linear notches or folds on the other side wall, respectively. 1 other than the pair of side walls
When pressing the single side wall toward the single side wall in the opposite direction, the pair of side walls, the triangular deformation surface, the top surface and the bottom surface may be folded by their score or fold to make the container flat. A container that can be expanded and flattened, which can be expanded and can be expanded into the shape of the container after being flattened. 3. The container capable of expanding and flattening according to claim 1 or 2, characterized in that a notch intersecting with the notch is formed on the notch. 4. The indentation or fold for forming the opening of the container into a polygonal shape is also formed on side walls other than the pair of side walls, according to claim 1, 2 or 3. A container that can be expanded and flattened.