JP3162468U - Assembled paper container - Google Patents

Abstract

An assembly-type paper container that can be formed from a single sheet, is easy to assemble, and has a high buffering effect for protecting contents from external force and impact. An outer side wall part 5 and an inner side wall part 9 connected to the outer side wall part are provided, and a folding line formed between the outer side wall part and the inner side wall part is provided. The inner side wall portion is bent toward the outer side wall portion, and the outer side wall portion and the inner side wall portion in the bent state are bent, and both ends thereof are joined together, whereby the outer cylindrical body 6 is joined by the outer side wall portion. What is assembled and formed so that the inner cylindrical body 10 is formed with a space with respect to the outer cylindrical body by the inner side wall portion. [Selection] Figure 4

Description

  The present invention relates to an assembling paper container having a buffering function for protecting contents from external force and impact, and in particular, it can be formed from a single sheet, is easy to assemble, and has a high buffering effect. It relates to something devised so that it can be done.

  As a conventional assembling paper container having a buffer function, for example, there are those disclosed in Patent Documents 1 to 3.

JP 2008-155978 A Japanese Patent Laid-Open No. 10-101058 JP-A-8-53125

The conventional configuration has the following problems.
First, the packaging box according to the invention described in Patent Document 1 has a problem in that the configuration is complicated and much labor is required for assembly. There is also a problem that the vial cannot be sufficiently protected from external force or impact because there is almost no gap between the vial as the contents and the outer side wall of the packaging box other than the side where the guide flap is provided. .
Next, the box with a buffer function according to the invention described in Patent Document 2 also has a problem that there is almost no gap between the contents bottle and the side outer wall, and the bottle cannot be sufficiently protected from external force and impact. was there.
Furthermore, the packaging box according to the invention described in Patent Document 3 has a problem that the inner box must be prepared separately from the outer box, so that the configuration is complicated and much labor is required for assembly. It was.

  The present invention was devised on the basis of these points, and the object of the invention is that it can be formed from a single sheet, is easy to assemble, and has a buffering effect that protects the contents from external forces and impacts. The object is to provide a highly assembled paper container.

In order to solve the above-mentioned problem, the invention described in claim 1 includes an outer side wall part and an inner side wall part connected to the outer side wall part, and the outer side wall part and the inner side wall part are provided. By bending the inner side wall portion to the outer side wall portion side through a fold line formed therebetween, bending the outer side wall portion and the inner side wall portion in the bent state, and joining both ends thereof, The outer cylindrical body is formed by the outer side wall portion, and the inner cylindrical body is assembled with the inner side wall portion in a state where there is a space with respect to the outer cylindrical body. .
According to a second aspect of the present invention, there is provided an assembly type paper container according to the first aspect, wherein an outer lid is connected to the outer side wall portion, and is provided between the outer side wall portion and the outer lid at the time of assembly. The outer lid is bent by the bent line and is assembled so as to close the opening of the outer cylindrical body.
According to a third aspect of the present invention, there is provided the assembly type paper container according to the first or second aspect, wherein an inner lid is connected to the inner side wall portion, and the inner side wall portion and the inner lid are assembled at the time of assembly. The inner lid is bent by a fold line provided between the two, and the inner cylindrical body is assembled so as to close the opening.
According to a fourth aspect of the present invention, there is provided the assembly type paper container according to the third aspect, wherein an outer lid and an inner lid are connected to the outer side wall portion and the inner side wall portion, respectively. It is assembled so that a space may be formed between the outer lids.
Further, the invention described in claim 5 is the assembly type paper container according to any one of claims 1 to 4, wherein the inner side wall portion includes the outer cylindrical body and the inner cylindrical body. A space holding piece for providing a space therebetween is provided.
Further, the invention described in claim 6 is the assembly type paper container according to any one of claims 1 to 5, wherein the outer side wall part and the inner side wall part constitute a polygonal assembly type paper container. A plurality of element pieces corresponding to each side of the polygon are provided.

As described above, the assembly type paper container according to the invention of claim 1 includes an outer side wall part and an inner side wall part connected to the outer side wall part, and the outer side wall part and the inner side wall part. The inner side wall portion is bent to the outer side wall portion side through a fold line formed between the outer side wall portion, the outer side wall portion and the inner side wall portion in the bent state are bent, and both ends thereof are joined together. Therefore, a desired paper container can be easily assembled by bending, adhering and fixing a single paper board.
The assembling paper container according to the first aspect of the present invention is assembled so that a space is formed between the outer cylindrical body and the inner cylindrical body. Therefore, the contents stored in the inside of the inner cylindrical body can be protected from external force and impact from the side surface direction.
In the assembling type paper container according to the invention described in claim 2, since the outer lid is continuously provided on the outer side wall portion, the contents can be protected from external force and impact from the upper surface direction and the lower surface direction.
Further, the assembly type paper container according to the invention described in claim 3 has the same effect as the assembly paper container according to the invention claimed in claim 2 because the inner lid is connected to the inner side wall portion. Further, if the outer lid is also provided on the outer side wall portion, a higher effect can be obtained.
Further, since the assembly type paper container according to the invention of claim 4 is assembled so that a space is formed between the inner lid and the outer lid, it is possible to obtain further higher effects.
In the assembling type paper container according to the invention described in claim 5, a space holding piece for providing a space between the outer cylindrical body and the inner cylindrical body is provided on the inner side wall portion. Therefore, the space is configured to be stronger by the space holding piece. Therefore, the effect by the assembly-type paper container by the device of Claim 1 can be heightened.
According to a sixth aspect of the present invention, there is provided an assembly type paper container comprising a plurality of element pieces corresponding to each side of the polygon so that the outer side wall and the inner side wall constitute a polygonal assembly paper container. Therefore, the assembly type paper container can be formed into a polygonal shape.

It is a figure which shows one Embodiment of this invention, and is a top view which shows the paper board which expand | deployed the assembly-type paper container. It is a figure which shows one Embodiment of this invention, and is a top view which shows the state which reversed the paper board shown in FIG. It is a figure showing one embodiment of this invention, and is a perspective view showing the state where the inner side wall part provided in a row on both sides of the outer side wall part is bent to the outer side wall part side and the end parts of the inner side wall part are pasted together is there. It is a figure which shows one Embodiment of this invention, and is a perspective view which shows the state which bent the outer side wall part and the inner side wall part, and formed the outer cylindrical body and the inner cylindrical body. It is a figure which shows one Embodiment of this invention, and is a top view which shows the state which bent the outer side wall part and the inner side wall part, and formed the outer cylindrical body and the inner cylindrical body. It is a figure which shows one Embodiment of this invention, and is a perspective view which shows the state which obstruct | occluded the opening part of the inner side cylindrical body with the inner cover. It is a figure which shows one Embodiment of this invention, and is a perspective view which shows the state which obstruct | occluded the opening part of the outer side cylindrical body with the outer cover.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
The assembled paper container 1 according to the present embodiment has the following configuration.
The assembly type paper container 1 is assembled by folding a sheet of paper board 3 processed as shown in FIG.

  First, the paper board 3 will be described with reference to FIG. As shown in FIG. 1, the outer side wall 5 is formed on the paper board 3. The said outer side wall part 5 is comprised by connecting the four outer side wall part element pieces 5a, 5b, 5c, 5d continuously. A hinge 7a is provided between the outer side wall element pieces 5a and 5b, a hinge 7b is provided between the outer side wall element pieces 5b and 5c, and a hinge 7c is provided between the outer side wall element pieces 5c and 5d. Each is formed.

  The outer side wall element piece 5a is on the side opposite to the outer side wall part element piece 5b (left side in FIG. 1) and the outer side wall part element piece 5d is on the side opposite to the outer side wall part element piece 5c (right side in FIG. 1). A side wall 9 is provided continuously. The inner side wall portion 9 includes an inner side wall element piece 9a continuously provided on the side opposite to the outer side wall portion element piece 5b (the left side in FIG. 1) of the outer side wall portion element piece 5a, and the inner side wall portion element piece 9a. The inner side wall element piece 9b continuously provided on the side opposite to the outer side wall element piece 5a (left side in FIG. 1) and the side wall element piece 5c side (right side in FIG. 1) of the outer side wall element piece 5d. The inner side wall element piece 9c that is continuously provided and the inner side wall element piece 9d that is provided on the side opposite to the outer side wall element element 5d (right side in FIG. 1) of the inner side wall element piece 9c are configured. Yes.

The inner side wall element piece 9a includes an inner side wall element piece main body 11a, a space holding piece 13a provided between the inner side wall element piece main body 11a and the outer side wall element piece 5a, The inner side wall element piece main body 11a is composed of a space holding piece 15a protruding and formed on the side opposite to the space holding piece 13a (left side in FIG. 1). The space holding piece 15a is formed by making a substantially U-shaped cut 17a at a predetermined position of the paper board 3.
Further, the front side in FIG. 1 of the space holding piece 13a is a glue allowance 21a.
A perforated hinge 14a is provided between the inner side wall element piece main body 11a and the space holding piece 13a.
A hinge 16a is provided between the inner side wall element piece 9a and the outer side wall element piece 5a.
Perforated hinges 14b and 14b are provided between the inner side wall element piece 9a and the inner side wall element piece 9b above and below the space holding piece 15a in FIG. .

The inner side wall element piece 9d includes an inner side wall element piece main body 11d and a space holding piece that is connected to the inner side wall element piece main body 11d on the side opposite to the inner side wall element piece 9c (right side in FIG. 1). 13 d and a space holding piece 15 d that protrudes and is formed on the side of the inner side wall element piece main body 11 d on the side opposite to the space holding piece 13 d (left side in FIG. 1). The space holding piece 15d is formed by making a substantially U-shaped cut 17d at a predetermined position of the paper board 3.
A perforated hinge 14d is provided between the inner side wall element piece main body 11d and the space holding piece 13d.
Perforated hinges 14c, 14c are provided between the inner side wall element piece 9d and the inner side wall element piece 9c on the upper and lower sides in FIG. 1 of the space holding piece 15d. .
Further, the front side in FIG. 1 of the space holding piece 13d of the inner side wall element piece 9d is a glue allowance 21d.
A substantially semicircular notch 19 is formed at the upper end of the inner side wall element piece 9c in FIG.
A hinge 16c is provided between the inner side wall element piece 9c and the outer side wall part 5d.
Further, the front side in FIG. 1 on the outer side wall element 5d side (left side in FIG. 1) of the inner side wall element piece 9c is a paste margin 21c.
The hinges including the hinges 16a and 16c and the perforated hinges all function as folding lines.

The front side in FIG. 1 on the side opposite to the inner side wall 9a (left side in FIG. 1) of the inner side wall element piece 9b is a paste margin 21b.
Further, an inner lid 23 is connected to the upper end of the inner side wall element piece 9b in FIG. The inner lid 23 includes a substantially square inner lid bottom portion 25 and inner lid side surfaces 27a, 27b, 27c connected to four sides of the inner lid bottom portion 25 via perforated hinges 26, 26, 26, 26. 27d. The inner lid 23 is connected to the inner side wall element piece 9b through a hinge 28 at the end of the inner lid side surface 27c.
Similarly, an inner lid 29 is connected to the lower end of the inner side wall element piece 9b in FIG. The inner lid 29 includes a substantially square inner lid bottom portion 31 and inner lid side surfaces 33a, 33b, 33c connected to four sides of the inner lid bottom portion 31 via perforated hinges 32, 32, 32, 32. , 33d. The inner lid 29 is connected to the inner side wall element piece 9b via a hinge 34 at the end of the inner lid side surface 33c.

  An outer lid 37 is connected to the upper side of the outer side wall element piece 5c in FIG. A tack 39 is connected to the outer lid 37 on the side opposite to the outer side wall 5c (upper side in FIG. 1). A lip 43 is formed between the tack 39 and the outer lid 37 by an inverted U-shaped cut 41. Hinges 45 are provided on both sides of the lip 43 in the left-right direction in FIG. 1 between the tack 39 and the outer lid 37.

  A bottom lid 49 as an outer lid on the bottom side of the assembling paper container 1 is connected to the lower side of the outer side wall element piece 5c in FIG. A tack 51 is connected to the side of the bottom lid 49 on the side opposite to the outer side wall 5c (the lower side in FIG. 1). A hinge 53 is provided between the tack 51 and the bottom lid 49, and cuts 55, 55 are formed on both sides of the hinge 53 between the tack 51 and the bottom lid 49 in the left-right direction in FIG. ing.

  A flap 59 is connected to the upper side of the outer side wall element piece 5b in FIG. Further, a flap 63 is connected to the lower side of the outer side wall element piece 5b in FIG. A stepped portion 65 is formed on the side of the flap 63 opposite to the bottom lid 49 (left side in FIG. 1).

  A flap 69 is continuously provided via a hinge 67 on the upper end side in FIG. Further, a flap 73 is continuously provided via a hinge 71 on the lower end side in FIG. A stepped portion 75 is formed on the side of the flap 73 opposite to the bottom lid 49 (left side in FIG. 1).

Next, an assembling procedure of the assembling paper container according to this embodiment will be described with reference to FIGS.
First, the paper board 3 shown in FIG. 1 is turned over to be in the state shown in FIG. Next, at the hinge 14d, the space holding piece 13d is bent in the front direction in FIG. At this time, the glue margin 21d faces the front side in FIG. Next, the inner side wall 9 is bent toward the outer side wall 5 at the hinge 16a and the hinge 16c. At this time, the glue allowance 21d faces the back side in FIG. 2, and the glue allowance 21b faces the front side in FIG. Then, the glue margin 21d of the inner sidewall portion element piece 9d and the glue margin 21b of the inner sidewall portion element piece 9b are bonded and fixed, and the inner sidewall portion element piece 9d and the inner sidewall portion element piece 9b are joined together, FIG. The state is as shown in.
FIG. 3 is a perspective view of the assemblable paper container 1 as viewed from slightly above.

  Next, the outer side wall portion 5 and the inner side wall portion 9 are bent, and the glue allowance 21a and the glue allowance 21c are adhered and fixed to obtain a state as shown in FIG. At this time, as shown in FIGS. 4 and 5, an outer cylindrical body 6 having a substantially square cross-sectional shape is formed, and has an approximately square cross-sectional shape inside the outer cylindrical body 6, The inner cylindrical body 10 in a state of being slightly rotated with respect to the outer cylindrical body 6 is formed.

In this state, as shown in FIGS. 4 and 5, the outer side wall element pieces 5a, 5b, 5c, 5d and the inner side wall element pieces 9a, 9b, 9c, 9d are combined.
The space retaining piece 15a of the inner side wall element piece 9a is configured such that the perforated hinge 14b side of the inner side wall element piece 9b does not come into contact with the outer side wall element piece 5b. A space 77b having a substantially triangular cross-sectional shape is formed between the piece 9b and the outer side wall element piece 5b.
The space retaining piece 13d of the inner side wall element piece 9d is configured such that the perforated hinge 14d side of the inner side wall element piece 9d does not come into contact with the outer side wall element piece 5c. A space 77c having a substantially triangular cross-sectional shape is formed between the part element piece 9d and the outer side wall part element piece 5c.
The space retaining piece 15d of the inner side wall element piece 9d is configured such that the perforated hinge 14c side of the inner side wall element piece 9c does not come into contact with the outer side wall element piece 5d. A space 77d having a substantially triangular cross-sectional shape is formed between the part element piece 9c and the outer side wall part element piece 5d.
The space retaining piece 13a of the inner side wall element piece 9a is configured such that the perforated hinge 14a side of the inner side wall element piece 9a does not contact the outer side wall element piece 5a. A space 77a having a substantially triangular cross-sectional shape is formed between the part element piece 9a and the outer side wall part element piece 5a.

Next, the inner lids 23 and 29 are inserted into the inner cylindrical body 10, and the assembled paper container 1 is bent so as to be in a state as shown in FIG.
That is, the inner lid side surfaces 27a, 27b, 27d and the inner lid bottom portion 25 are bent to the side opposite to the inner side wall 9 (right side in FIG. 4) by the perforated hinge 26. Thereafter, the inner lid 23 is bent by the hinge 28 toward the inner side wall portion 9 (lower left side in FIG. 4) and inserted into the inner cylindrical body 10.
Similarly, the inner lid side surfaces 33a, 33b, 33d and the inner lid bottom portion 31 are bent to the side opposite to the inner side wall portion 9 (right side in FIG. 4) by the perforated hinge 32. Thereafter, the inner lid 29 is bent by the hinge 34 toward the inner side wall 9 (upper left in FIG. 4) and inserted into the inner cylindrical body 10.

Subsequently, the hinge 61 is bent and the flap 63 is tilted toward the inner cylindrical body 10 (upper left in FIG. 6), and the hinge 71 is bent and the flap 73 is moved toward the inner cylindrical body 10 (upper right in FIG. 6). The hinge 47 is folded, the bottom lid 49 is folded to the inner cylindrical body 10 side (upper right side in FIG. 6), the hinge 53 is folded, and the tack 51 is folded to the outer side wall element piece 5a and the inner side wall element. Inserted between the pieces 9a, the lower cylindrical opening in FIG. 6 of the outer cylindrical body 6 is closed by the bottom lid 49 and the flaps 63 and 73. The bottom lid 49 functions as an outer lid at the bottom of the assembling paper container 1.
Similarly, the hinge 57 is bent and the flap 59 is tilted to the inner cylindrical body 10 side (lower left side in FIG. 6), and the hinge 67 is bent and the flap 69 is moved to the inner cylindrical body 10 side (lower right side in FIG. 6). ), The hinge 35 is folded and the outer lid 37 is folded to the inner cylindrical body 10 side (the lower right side in FIG. 6), the hinges 45 and 45 are folded, and the tack 39 is moved to the outer side wall element piece 5a and the above It inserts between the inner side wall part element pieces 9a, and the upper opening in FIG. 6 of the outer cylindrical body 6 is closed by the outer lid 37 and the flaps 59 and 69.
By the above procedure, the assembly type paper container 1 as shown in FIG. 7 is completed.

Next, the configuration of the assembled paper container 1 will be confirmed with reference to FIGS. 4 to 7.
First, the assembly type paper container 1 has a substantially rectangular parallelepiped shape as shown in FIG. The outer side surface of the assembly type paper container 1 is an outer cylindrical body 6 in which the outer side wall portion 5 to which the outer side wall portion element pieces 5a, 5b, 5c, and 5d are continuously provided is bent into a cylindrical shape. The outer cylindrical body 6 has a cylindrical shape having a substantially square cross-sectional shape. A bottom lid 49 as an outer lid is provided at the bottom of the assembling paper container 1. The bottom lid 49 is connected to the outer side wall portion element piece 5 c, and a tack 51 is connected to the front end side via a hinge 53. The tack 51 is inserted inside the outer side wall portion 5.

  On the outer side wall 5 side (upper side in FIG. 7) of the bottom lid 49, a flap 63 connected to the outer side wall element piece 5b and a flap 73 connected to the outer side wall element piece 5d. Is bent. The bottom lid 49 and the flaps 63, 73 close the lower opening of the outer cylindrical body 6 in FIG. Cuts 55, 55 are formed at both ends in the width direction of the hinge 53, and both end portions in the width direction of the tack 51 on the bottom lid 49 side are stepped portions 65, 75 of the flaps 63, 73 in FIG. Engage with the upper side. This prevents the bottom lid 49 from being inadvertently removed.

  An outer lid 37 is provided on the upper side of the assembly type paper container 1 in FIG. The outer lid 37 is connected to the outer side wall element piece 5c, and a tack 39 is connected to the tip side. The tack 39 is inserted inside the outer side wall portion 5.

  On the outer side wall 5 side (lower side in FIG. 7) of the outer lid 37, a flap 59 connected to the outer side wall element piece 5b and a flap connected to the outer side wall element piece 5d are provided. 69 is bent inside the outer lid 37. The outer lid 37 and the flaps 59 and 69 close the upper opening in FIG. 7 of the cylindrical outer cylindrical body 6. A lip 43 is formed by a notch 41 at the boundary between the tack 39 and the outer lid 37. The lip 43 slightly protrudes from the outer lid 37 toward the outer side wall element piece 5a.

  The tack 39 can be pulled out and the outer lid 37 can be lifted by hooking a finger on the lip 43 or the like. Thereafter, when the flaps 59 and 69 are opened, the opening on the upper side in FIG. 7 of the outer cylindrical body 6 can be opened as shown in FIG. 6, and from below the flaps 59 and 69, FIG. As shown, the inner cylindrical body 10 and the inner lid 23 appear.

  The inner cylindrical body 10 is formed into a cylindrical shape by bending the inner side wall portion 9 in which the inner side wall portion element pieces 9a, 9b, 9c, 9d are continuously provided, and has a substantially square cross-sectional shape. . The inner side wall portion 9 and the outer side wall portion 5, that is, the inner cylindrical body 10 and the outer cylindrical body 6, are the inner side wall element piece 9c, the outer side wall element piece 5d, and the inner side wall. The part element piece 9a and the outer side wall part element piece 5a are connected to each other. Further, as shown in FIG. 5, the inner cylindrical body 10 abuts on the inner side of the outer cylindrical body 6 while being slightly rotated clockwise in FIG. 5 with respect to the outer cylindrical body 6. ing. Therefore, spaces 77a, 77b, 77c, and 77d having a substantially triangular cross-sectional shape are formed between the outer cylindrical body 6 and the inner cylindrical body 10, as shown in FIGS. .

A space holding piece 15a is provided on the inner side wall element piece 9a. By the space holding piece 15a, the inner side wall element piece 9a side of the inner side wall element piece 9b connected to the inner side wall element piece 9a does not come into contact with the outer side wall part 5. . Thereby, the space 77b is formed between the inner side wall element piece 9b and the outer side wall part 5.
The inner side wall element piece 9d is provided with a space holding piece 15d. The space retaining piece 15d prevents the inner side wall element piece 9c connected to the inner side wall element piece 9d from coming into contact with the outer side wall part 5. . Thereby, the space 77d is formed between the inner side wall element piece 9c and the outer side wall part 5.
The inner side wall element piece 9d is provided with a space holding piece 13d. The space holding piece 13d prevents the inner side wall part element piece 9d from contacting the space holding piece 13d side with the outer side wall part 5. As a result, the space 77 c is formed between the inner side wall element piece 9 d and the outer side wall part 5.
The inner side wall element piece 9a is provided with a space holding piece 13a. The space holding piece 13 a prevents the inner side wall portion element piece 9 a from contacting the outer side wall portion 5 with the space holding piece 13 a side. As a result, the space 77 a is formed between the inner side wall part piece 9 a and the outer side wall part 5.

As shown in FIG. 6, an inner lid 23 is inserted into the inner cylindrical body 10 on the upper opening side in FIG. 6. Further, an inner lid 29 is inserted into the inner cylindrical body 10 on the lower opening side in FIG. The inner lids 23 and 29 close the opening of the inner cylindrical body 10.
Further, since the inner lid bottom portion 25 of the inner lid 23 is inside the opening on the upper side in FIG. 6 of the inner cylindrical body 10, there is a space between the inner lid bottom portion 25 and the outer lid 37. Is formed.
Further, since the inner lid bottom 31 of the inner lid 29 is inside the lower opening in FIG. 6 of the inner cylindrical body 10, there is a space between the inner lid bottom 31 and the bottom lid 49. Is formed.

  A cutout portion 19 is formed in the inner side wall element piece 9c, and a part of the inner lid side surface 27a of the inner lid 23 is exposed to the space 77d side (left side in FIG. 5). Therefore, the inner lid 23 can be picked with a finger at the notch 19 and the inner lid 23 can be taken out from the inner cylindrical body 10. By taking out the inner lid 23 from the inner cylindrical body 10, the opening on the upper side in FIG. 6 of the inner cylindrical body 10 can be opened, and the contents inside the inner cylindrical body 10 can be opened. And the contents can be taken out from the inside of the inner cylindrical body 10.

As described above, the assembly-type paper container according to the present embodiment can provide the following effects.
First, the assembly type paper container 1 can be assembled by folding a single paper board 3 and bonding / fixing the paste margin 21d and the paste margin 21b and bonding / fixing the paste margin 21a and the paste margin 21c. Therefore, a paper container excellent in content protection can be easily manufactured.
In addition, since spaces 77a, 77b, 77c, and 77d are formed between the outer side wall portion 5 and the inner side wall portion 9, the contents stored in the inner side wall portion 9 are protected from external forces and impacts in the lateral direction. can do.
In addition, a space is formed between the inner lid bottom portion 25 and the outer lid 37 of the inner lid 23, and a space is formed between the inner lid bottom portion 31 and the bottom lid 49 of the inner lid 29. The contents stored in the inner side wall portion 9 can be protected from external forces and impacts from the upper surface side and the bottom surface side.
Further, since the inner side wall element piece 9c of the inner side wall part 9 is provided with the notch part 19, the inner lid 23 can be easily taken out from the inner side wall part 9, and the inner lid 23 can be removed. Easy to open.
Further, since the lip 43 is formed on the outer lid 37, the outer lid 37 can be easily opened.
Further, both end portions in the width direction of the tack 51 on the bottom lid 49 side are engaged with the stepped portions 65 and 75 of the flaps 63 and 73. Therefore, the bottom cover 49 is prevented from being removed carelessly.

The present invention is not limited to the one embodiment.
For example, the assemblable paper container in the above-described embodiment has a substantially rectangular parallelepiped shape, but a cube shape or a polygonal cross section other than a quadrangle is also conceivable.
Further, the assembling procedure of the assembling paper container is not limited to the procedure in the embodiment. For example, it is conceivable that the inner cylindrical body and the outer cylindrical body are formed after the inner lid is bent toward the inner side wall portion.
In the above embodiment, the inner side wall is divided into two at the left and right ends of the outer side wall of the paper board before assembly. A case where all of the side wall portions are connected may be considered.
Further, it is also conceivable that the paste margin 21b and the paste margin 21d are not bonded and fixed, but are overlapped and the end portions are merely brought into contact with the inner corners of the outer cylindrical body 6.
In addition, there are various cases in the shape, size, and angle of each part.

  The present invention is applied to, for example, an assembled paper container having a buffer function for protecting contents from external force and impact, and can be formed from a single sheet, and is easy to assemble and protects contents from external force and impact. The present invention relates to a device devised so as to have a high buffering effect, and is suitable for a packaging material such as a bottle.

DESCRIPTION OF SYMBOLS 1 Assembling paper container 3 Paper board 5 Outer side wall part 5a Outer side wall part element piece 5b Outer side wall part element piece 5c Outer side wall part element piece 5d Outer side wall part element piece 6 Outer cylindrical body 9 Inner side wall part 9a Inner side wall part element piece 9b Inner side wall element piece 9c Inner side wall element piece 9d Inner side wall element piece 10 Inner cylindrical body 13a Space holding piece 13d Space holding piece 15a Space holding piece 15d Space holding piece 16a Hinge 16c Hinge 23 Inner lid 29 Inner lid 37 Outer lid 49 Bottom lid 77a Space 77b Space 77c Space 77d Space

Claims (6)

An outer side wall, and an inner side wall connected to the outer side wall,
Bending the inner side wall part to the outer side wall part side via a fold line formed between the outer side wall part and the inner side wall part,
The outer side wall portion and the inner side wall portion in the bent state are bent and both ends thereof are joined to form an outer cylindrical body by the outer side wall portion and to the outer cylindrical body by the inner side wall portion. And an assembled paper container that is assembled so as to form an inner cylindrical body with a space remaining. The assembly type paper container according to claim 1,
The outer side wall is provided with an outer lid,
The outer lid is bent by a fold line provided between the outer side wall and the outer lid during assembly,
An assembly-type paper container assembled so as to close the opening of the outer cylindrical body. The assembly type paper container according to claim 1 or 2,
An inner lid is connected to the inner side wall portion,
The inner lid is bent by a fold line provided between the inner side wall and the inner lid during assembly,
An assembly-type paper container assembled so as to close the opening of the inner cylindrical body. The assembly-type paper container according to claim 3,
The outer side wall and the inner side wall are respectively provided with an outer lid and an inner lid,
An assembly-type paper container assembled so that a space is formed between the inner lid and the outer lid. In the assembly-type paper container in any one of Claims 1-4,
An assembly type paper container, wherein a space holding piece for providing a space between the outer cylindrical body and the inner cylindrical body is provided on the inner side wall portion. In the assembly-type paper container in any one of Claims 1-5,
The assembly type paper container, wherein the outer side wall part and the inner side wall part respectively include a plurality of element pieces corresponding to each side of the polygon so as to form a polygonal assembly type paper container.

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