JPS604884Y2 - Assembly box that elastically forms into a cylinder - Google Patents

Description

[Detailed description of the invention] This invention maintains its flat plate-like form as long as an appropriate external force is applied, and once this external force is removed, an elastic means is tensioned inside. This invention relates to the structure of an assembly box that instantly transforms into a cylindrical body to form a three-dimensional structure having a sealed chamber inside.

The purpose of this invention is to provide an interesting and highly practical assembly box.
For example, it is enclosed in an envelope with appropriate rigidity and handed to the user in a flat form, and when the user removes the external force applying means, it can be used as a piggy bank, a pencil holder, a small item case, or This is an assembly box that is designed to elastically form into a three-dimensional structure such as an indoor equipment product, which has a pattern imitating various commercially available packaging cans on the outer surface of the surrounding wall.

In order to achieve the above object, this invention specifically includes a cylindrical body side wall forming member that is foldable about two fold lines along the axial direction formed at opposite positions, and Folding lines are attached to the top and bottom sides of the body side wall forming member and are bent axially outward of the cylindrical body side wall forming member within a plane including the two folding lines. an elastic member that tensions and biases the cylindrical body top wall forming member and the bottom wall forming member in directions facing each other; the cylindrical body side wall forming member, the top wall forming member, and the bottom wall forming member; This is an assembly box that flattens when an external force is applied in the folding direction, and elastically becomes cylindrical when the external force is removed to form a sealed chamber inside. .

Hereinafter, the assembly box that elastically forms into a cylindrical body according to this invention will be described in detail based on a specific embodiment shown in the drawings.

The embodiment shown in the drawings is designed to become a cylindrical target three-dimensional structure when it is three-dimensionally shaped, but this is only one example of this invention, and the The target three-dimensional structure also includes one in the shape of a polygonal cylinder.

In this invention, first, the three-dimensional assembly box 1 is formed from a sheet having appropriate rigidity, such as paper, cardboard, cardboard, synthetic paper, synthetic resin sheet material, or the like.

The three-dimensional assembly box 1 described above consists of a cylindrical body side wall forming member 2, a cylindrical body top wall forming member 3, a cylindrical body bottom wall forming member 4, and an elastic member 5 = the cylindrical body Side wall forming member 2
is assembled by two sheets 6.6 die-cut into the shape shown in FIG. 5A, for example.

The cylindrical body side wall forming member 2 includes the two sheets 6.6.
are glued together via glue 7.7 provided on each side edge, and assembled so that fold lines 8, 8 along the axial direction are formed at opposite positions in the diametrical direction.

The cylindrical body side wall forming member 2 is formed to be foldable about the fold lines 8, 8.

In this invention, the sheet 6 has a step edge 9 that functions as a stopper to stop the top wall forming member 3 and the bottom wall forming member 4 from moving inward in the axial direction when it is elastically made three-dimensional. have.

The height difference l with respect to the entire length of the sheet 6 is such that when the three-dimensional assembled box 1 is elastically three-dimensionalized, the top and bottom of the packaging can are suitable for realizing the form of a commercially available packaging can as it is. It is formed to match the circumferential flange 10 extending in the direction, and if that purpose is not required, there is no need to provide the step 1, and the sheet may have a shape as shown by the imaginary line in FIG. It's okay.

The cylindrical body side wall forming member 2 can also be formed by a single die-cut sheet 6' as shown in FIG. 5B.

This die-cut sheet 6' is made by connecting the sheets 6 described above along center fold lines C and L.

The surface of the sheet 6, 6' is preprinted with, for example, a picture pattern imitating various commercially available packaging cans, or letters, etc., depending on the intended three-dimensional structure.

On the other hand, the cylindrical body top wall forming member 3 and the cylindrical body bottom wall forming member 4 have exactly the same form.

The specific structure of the top wall and bottom wall forming members 3 and 4 is described in the sixth section.
As shown in the figure.

This wall forming member has a substrate portion 11 having a shape that is inscribed in the inner wall surface of the cylindrical body formed by the cylindrical body side wall forming member 2.

The base plate portion 11 includes a fold line 12 in the -diameter direction, and a pair of flaps 13.13 fixed to the inner wall surface of the side wall forming member 2 at opposing positions across the fold line 12. .

On the back surface of the substrate 11, an elastic member hook 14 aligned with the fold line 12 is provided.

Preferably, the elastic member hook piece 14 is provided with a backing 15 for reinforcing the substrate 11.

The elastic member hook piece 14 is provided with a notch 16 for the elastic member hook.

On the other hand, the substrate 11 is provided with, for example, a coin slot 17, a brush holder slot (not shown), etc. for the intended three-dimensional structure.

On the other hand, the elastic member 5 is constituted by, for example, a rubber ring, and the respective elastic member hooks on the top wall and bottom wall forming members 3 and 4 are connected to the notches 16 at both ends thereof. It is.

Therefore, the finished assembly box constitutes a three-dimensional structure having a closed chamber inside as shown in FIG. 1 by the action of the elastic member 5 which is normally biased in the direction of the tensile force.

According to an example of how the assembly box of this invention is used, the P point portion of the cylindrical body side wall forming member 2 in the assembly box is pressed from the opposite direction, thereby flattening it into the form shown in FIG. 2.

As an external force applying means 18 for maintaining this state,
By storing the assembly box in a flat casing with appropriate rigidity, such as an envelope, when the recipient opens the assembly box and takes out the assembly box, it immediately becomes three-dimensional and forms the desired three-dimensional structure. It was made to become a thing.

As described above, according to this invention, the assembly box that elastically becomes cylindrical can be flattened by appropriate external force means, and can be used in the process of distribution transactions in that form. As soon as the external force is removed, the box will elastically form into a three-dimensional structure to provide the desired three-dimensional structure.In this respect, it can be said to be an interesting and widely applicable assembly box.

[Brief explanation of the drawing]

The drawings show a specific embodiment of the assembly box that elastically forms into a cylindrical body according to this invention, and FIG. 1 is a partially cutaway perspective view showing an example of the assembly box according to this idea. , Figure 2 is
FIG. 3 is a schematic sectional view taken along the line ■-■ in FIG. 1, and FIG. 4 is a perspective view showing the assembly box shown in FIG. A schematic cross-sectional view taken along the line, FIG. 5A, is a developed plan view of one sheet showing an example in which the cylindrical body side wall forming member is constructed by connecting two sheet members, and FIG. 5B is a schematic cross-sectional view taken along the line. 6 is a developed plan view of a cylindrical body side wall forming member made of one sheet, and FIG. 6 is a perspective view showing a specific example of the cylindrical body top wall and bottom wall forming member. 1... Three-dimensional assembly box, 2... Cylindrical body side wall forming member, 3... Cylindrical body top wall forming member, 4...
...Bottom wall forming member of the cylindrical body, 5...Elastic member, 8...Side wall fold line, 12...Top wall and bottom wall fold line, 17・・・・・・Coin slot, 1
8... External force applying means.

Claims (1)

[Claims for Utility Model Registration] A cylindrical body side wall forming member formed to be foldable about two fold lines along the axial direction formed at opposite positions, and the top end side and bottom of the cylindrical body side wall forming member. A cylindrical body top wall forming member and a cylinder, which are attached to an end side and have a folding line that is bent axially outward of the cylindrical body side wall forming member within a plane including the two folding lines. a bottom wall forming member of the cylindrical body; and an elastic member that tensions and biases the cylindrical body top wall forming member and the bottom wall forming member in opposite directions, the cylindrical body side wall forming member and the top wall forming member; The member and the bottom wall forming member are characterized by flattening when an external force is applied in the folding direction, and elastically forming a cylindrical body when the external force is removed, thereby forming a sealed chamber inside. An assembly box that elastically transforms into a cylindrical body.