JP2020045164A - Packaging container - Google Patents

Abstract

To provide a technique for making contents stored in an inner container of a packaging container more easily visible.SOLUTION: A packaging container includes an inner container for storing contents, and an outer container configured to store the inner container. The inner container includes a bottom part constituting a bottom surface of the packaging container, and a first side wall part extending from the bottom part. The first side wall part has a first breaking part defined by two break lines extending from the bottom part to an upper end of the first side wall part. The outer container has a second side wall part in contact with the first side wall part of the inner container. The second side wall part has a second breaking part defined by two break lines extending upward from a lower end of the second side wall part. The first breaking part and the second breaking part are fixed.SELECTED DRAWING: Figure 11

Description

  The present specification relates to a packaging container including an inner container and an outer container configured to house the inner container.

  Patent Literature 1 discloses a packaging box including a main body serving as a display case for sale, and a lid closing an opening at an upper part of the main body. The main body includes a bottom portion, a left side plate, a front plate, a right side plate, and a back plate. The front plate of the main body has a front separation plate defined by a break line extending from an upper end of the front plate to a central portion of the front plate. The lid includes a lid plate, a left plate, a front plate, a right plate, and a back plate. The front plate of the lid has a front separation plate defined by a break line extending upward from the lower end of the front plate. The front separation plate of the main body and the front separation plate of the lid are glued. When a force for breaking the front separation plate of the lid is applied, the front separation plate of the main body is also broken together with the front separation plate of the lid. Thereby, the main body and the lid can be separated.

JP 2013-224171 A JP 2008-162659 A

  As described above, in the packaging box in which the main body is a display case for sale, it is desired that the contents contained in the main body be made easier for the customer to see. This specification discloses a technique for making contents contained in an inner container of a packaging container easier to see.

  A packaging container disclosed by the present specification comprises an inner container for containing contents, and an outer container configured to contain the inner container, wherein the inner container has a bottom surface of the packaging container. And a first side wall extending from the bottom, wherein the first side wall is defined by two break lines extending from the bottom to an upper end of the first side wall. Wherein the outer container includes a second side wall portion that contacts the first side wall portion of the inner container, and the second side wall portion extends upward from a lower end of the second side wall portion. It has a 2nd break part defined by the break line of a book, and the 1st break part and the 2nd break part may be fixed.

  According to the above configuration, since the first break portion of the inner container and the second break portion of the outer container are fixed, the first break portion and the second break portion can be simultaneously broken. The first break is defined by two break lines extending from the bottom to the upper end of the first side wall. Therefore, a large opening extending from the bottom to the upper end can be formed in the first side wall by breaking the first break. Thereby, the contents accommodated in the inner container can be more easily seen through the opening.

  Each of the two break lines of the first side wall may be inclined outwardly of the first side wall from the bottom toward the upper end of the first side wall. According to the above configuration, the opening formed by breaking the first break portion becomes wider from the bottom toward the upper end. As a result, the range of contents that can be seen from the outside is widened. Therefore, the contents contained in the inner container of the packaging container can be more easily seen.

  The inner container further includes a third side wall portion extending from the bottom portion, the third side wall portion facing the first side wall portion, and the third side wall portion extends upward from the bottom portion. A third break portion defined by two break lines, wherein the outer container further includes a fourth side wall portion that contacts the third side wall portion of the inner container, The fourth side wall portion having a fourth break portion defined by two break lines extending upward from a lower end of the fourth side wall portion; The break portion and the fourth break portion may be fixed. According to the above configuration, the third break portion of the third side wall of the inner container and the fourth break portion of the fourth side wall facing the second side wall of the outer container are fixed. For this reason, the state in which the first side wall and the second side wall are fixed, and the state in which the third side wall facing the first side wall and the fourth side wall facing the second side wall are fixed. State is realized. Therefore, it is possible to prevent the inner container and the outer container from being unintentionally separated. Then, the outer container is separated from the inner container by simultaneously breaking the first break portion and the second break portion and simultaneously breaking the third break portion and the fourth break portion. it can.

  The outer container is further formed between the second side wall and the fifth side wall, the fifth side wall being orthogonal to the second side wall and continuing to the second side wall. And a notch portion. Generally, the outer container containing the inner container is designed to be in close contact with the inner container. However, when the outer container is brought into close contact with the inner container, a force is applied from the outer container to the inner container, and it may be difficult to separate the inner container and the outer container. According to the above configuration, the notch is formed between the second side wall and the fifth side wall of the outer container. Thereby, even if the inner container and the outer container are brought into close contact with each other, the force applied from the outer container to the inner container can be released from the cutout portion to the outside of the packaging container. It can suppress that it becomes difficult to separate the inner container and the outer container.

  The bottom of the inner container may have a hole formed along a lower end of the first break portion. According to the above configuration, the user can insert the finger into the hole and hold the lower end of the first break portion, so that the first break portion can be easily broken.

The perspective view of the packaging container of a 1st Example is shown. The front view of the packaging container of a 1st Example is shown. The right side view of the packaging container of 1st Example is shown. The rear view of the packaging container of 1st Example is shown. The left side view of the packaging container of 1st Example is shown. The top view of the packaging container of 1st Example is shown. The bottom view of the packaging container of 1st Example is shown. FIG. 2 is a development view of the outer container of the first embodiment. FIG. 3 shows a development view of the inner container of the first embodiment. The perspective view for explaining the opening method of the packaging container of a 1st example is shown. FIG. 12 is a perspective view for explaining the method of opening the packaging container of the first embodiment following FIG. 11. FIG. 3 shows a perspective view of the inner container of the first embodiment. FIG. 4 shows a development view of the outer container of the second embodiment. FIG. 4 shows a development view of the inner container of the second embodiment.

(First embodiment)
The structure of the packaging container 2 of the first embodiment will be described with reference to FIGS. In the drawings and the following description, front, rear, up, down, left, and right are defined, but are defined for convenience for easy understanding. The front, rear, up, down, left, and right directions are also defined in FIG.

  The packaging container 2 is a container for containing contents such as food and daily necessities. FIG. 1 shows a perspective view of the packaging container 2 before being sealed. After the contents are stored in the packaging container 2 from the upper opening of the packaging container 2, the packaging container 2 is sealed using, for example, a tape. The sealed packaging container 2 has a substantially rectangular parallelepiped shape.

  The packaging container 2 includes an inner container 50 (see FIG. 11) for storing the contents, and an outer container 10 for storing the inner container 50. The outer container 10 and the inner container 50 are formed, for example, from corrugated paper, but may be formed from paper other than corrugated paper. Further, the outer container 10 and the inner container 50 are not limited to paper, and may be formed from plastic or the like. Further, the outer container 10 and the inner container 50 may be formed from different materials.

  FIG. 2 shows a front view of the packaging container 2. The front surface of the packaging container 2 is constituted by the outer front plate 12 of the outer container 10. The outer front plate 12 has a break portion 13. The break portion 13 is formed by two break lines 30 and 31 extending upward from the lower end of the outer front plate 12 and one break line 32 connecting the upper ends of the two break lines 30 and 31. It is defined. Each of the break lines 30 to 32 is constituted by a perforation.

  FIG. 3 shows a right side view of the packaging container 2. The right side surface of the packaging container 2 is constituted by the outer right side plate 14 of the outer container 10. The outer right side plate 14 is orthogonal to the outer front plate 12 and is continuous with the outer front plate 12. A notch 15 a is formed between the outer front plate 12 and the outer right plate 14. The outer right side plate 14 is orthogonal to the outer side back plate 16 and is continuous with the outer side back plate 16. A notch 15b is formed between the outer right side plate 14 and the outer rear plate 16. Since the cutouts 15a and 15b are formed in the outer container 10, even when the inner container 50 and the outer container 10 are brought into close contact with each other, the force applied to the inner container 50 from the outer container 10 is reduced by the notch 15a and 15b. It can escape to the outside of the packaging container 2. It can suppress that it becomes difficult to separate the inner container 50 and the outer container 10.

  FIG. 4 shows a rear view of the packaging container 2. The back surface of the packaging container 2 is constituted by the outer back plate 16 of the outer container 10. The outer back plate 16 faces the outer front plate 12 and has a break portion 17. The break portion 17 is defined by two break lines 33 and 34 extending upward from the lower end of the outer back plate 16. Each of the break lines 33 and 34 is constituted by a perforation. A break line connecting the upper ends of the two break lines 33 and 34 is not provided, but a fold curve 49 connecting the upper ends of the two break lines 33 and 34 is provided. For this reason, even if the break portion 17 is broken, the state in which the break portion 17 is connected to the outer back plate 16 is maintained. Further, the outer back plate 16 has a length exceeding the left end (the right end in FIG. 4) of the packaging container 2, and a portion 16 a of the outer back plate 16 exceeding the left end (hereinafter, “extended portion 16 a”). ) Is bent forward.

  FIG. 5 shows a left side view of the packaging container 2. The left side surface of the packaging container 2 is constituted by the outer left side plate 18 of the outer container 10. The outer left side plate 18 is orthogonal to and continuous with the outer front plate 12. The above-mentioned extended portion 16 a of the outer back plate 16 is bonded to the outer surface of the outer left plate 18. The outer left side plate 18 is orthogonal to a portion of the outer back plate 16 except for the above-described extended portion 16a (that is, a portion seen in FIG. 4).

  FIG. 6 shows a plan view of the packaging container 2. The upper surface of the packaging container 2 is constituted by the outer upper surface plates 20a, 20b, 20c, and 20d of the outer container 10. The outer upper surface plate 20a is orthogonal to the outer front plate 12 and is continuous. The outer upper surface plate 20b is orthogonal to and continuous with the outer right side plate 14. The outer upper surface plate 20c is orthogonal to and continuous with the outer rear surface plate 16. The outer upper surface plate 20d is orthogonal to and continuous with the outer left side plate 18.

  FIG. 7 shows a bottom view of the packaging container 2. The bottom surface of the packaging container 2 is constituted by the bottom 60 of the inner container 50. As shown in FIG. 7, an opening is formed at the lower end side of the outer container 10 by the respective plates 12 to 18 of the outer container 10, and the inner container 50 is accommodated in the opening.

  Subsequently, the structures of the outer container 10 and the inner container 50 will be described in more detail with reference to FIGS. 8 and 9, broken lines are indicated by broken lines. 8 and 9, a region to which an adhesive or the like is applied is hatched in FIGS. 8 and 9.

  FIG. 8 shows a developed body 11 for molding the outer container 10. The deployable body 11 includes an outer front plate 12, an outer right plate 14, an extended portion 16a and a plate 16b for forming the outer back plate 16, and outer upper plates 20a to 20d. Hereinafter, a procedure for forming the outer container 10 from the deployable body 11 will be described. The order of the procedures described below may be changed as appropriate.

  First, the outer front plate 12 is bent 90 degrees in the folding curve 40 toward the back side of the paper (hereinafter simply referred to as “back side”). Next, the outer right side plate 14 is bent 90 degrees to the back side in the folding curve 41. Further, the plate 16 b is bent 90 degrees to the back side at the folding curve 42, and the extension 16 a is bent 90 degrees to the back side at the folding curve 43. Then, the extension portion 16a is bonded to the outer surface of the outer left side plate 18 with an adhesive or the like. Thereby, the outer front plate 12, the outer right plate 14, the outer back plate 16, and the outer left plate 18 are formed.

  The break portion 13 of the outer front plate 12 has a lower end portion 13a and an upper end portion 13b defined by a folding curve 48. The lower end 13a contacts the inner container 50.

  Each outer upper surface plate 20a to 20d is formed after the contents are stored in the packaging container 2. First, the outer upper surface plate 20a is bent 90 degrees to the back side at the folding curve 44. Further, the outer upper surface plate 20c is bent 90 degrees to the rear side in the folding curve 46. Next, the outer upper surface plate 20b is bent 90 degrees to the back side at the folding curve 45. Then, the outer upper surface plate 20d is bent 90 degrees to the inner side at the folding curve 47.

  FIG. 9 shows a developed body 51 for molding the inner container 50. The unfolded body 51 includes an inner front plate 52, an inner right plate 54, an inner back plate 56, an extended portion 58a and a plate 58b for forming the inner left plate 58, and a plurality of sheets for forming the bottom 60. Plates 60a to 60f. Hereinafter, a procedure for molding the inner container 50 from the deployable body 51 will be described. The order of the procedures described below may be changed as appropriate.

  First, the inner front plate 52 is bent 90 degrees to the back side at the folding curve 80. Further, the inner right side plate 54 is bent 90 degrees to the rear side in the folding curve 81. Next, the inner rear plate 56 is bent 90 degrees to the rear side at the folding curve 82. Then, the extended portion 58a is bent 90 degrees to the back side in the folding curve 83, and is adhered to the inner surface of the inner back plate 56 with an adhesive or the like. Thereby, the inner front plate 52, the inner right plate 54, the inner back plate 56, and the inner left plate 58 of the inner container 50 are formed.

  The inner front plate 52 has a break 53 defined by two break lines 70, 71 extending from the bottom 60 to the upper end of the inner front plate 52. The break portion 53 is bonded to the inner surface of the lower end portion 13a of the break portion 13 of the outer container 10 with an adhesive or the like. Further, each of the two break lines 70 and 71 is inclined in the outward direction of the inner front plate 52 (that is, in the left-right direction in FIG. 9) from the bottom 60 toward the upper end of the inner front plate 52. Thereby, the opening formed by breaking the break portion 53 becomes wider from the bottom portion 60 toward the upper end. As a result, the range of contents that can be seen from the outside is widened. Therefore, the contents contained in the inner container 50 of the packaging container 2 can be more easily seen.

  The inner rear plate 56 has a break 57. The break portion 57 is defined by two break lines 72 and 74 extending upward from the bottom portion 60 and one break line 73 connecting the upper ends of the two break lines 72 and 74. . The breaking portion 57 is bonded to the inner surface of the breaking portion 17 of the outer container 10 with an adhesive or the like. For this reason, the state in which the break 53 of the inner front plate 52 and the break 13 of the outer front plate 12 are fixed, and the break 57 of the inner rear plate 56 and the break 17 of the outer rear plate 16 are fixed. And the state that is being implemented. Therefore, it is possible to prevent the inner container 50 and the outer container 10 from being unintentionally separated. Then, the break portion 53 of the inner front plate 52 and the break portion 13 of the outer front plate 12 are simultaneously broken, and the break portion 57 of the inner rear plate 56 and the break portion 17 of the outer rear plate 16 are simultaneously formed. By breaking, the outer container 10 can be separated from the inner container 50.

  Next, the bottom 60 is formed. First, the plate 60a is bent 90 degrees to the back side at the folding line 84, and the plate 60b is bent 90 degrees to the back side at the bending line 85. Next, the plate 60c is bent 90 degrees to the back side at the folding curve 86. The plate 60d is bonded to the plate 60b with an adhesive or the like. Further, the plate 60e is bent 90 degrees to the back side in the folding curve 87. The plate 60f is bonded to the plate 60a with an adhesive or the like. Thereby, the bottom part 60 is formed.

  Although not shown, the bottom 60 bends the plate 60d to the near side of the drawing sheet (hereinafter simply referred to as “front side”) at the folding curve 89 and the plate 60f to the near side at the folding curve 90. Thereby, it is configured to be foldable. As a result, the packaging container 2 can be folded and stored, so that the convenience for the user is improved.

  The plate 60e of the bottom 60 has a hole 61a formed along the lower end of the break 53 of the inner front plate 52. Thereby, the user can insert the finger into the hole 61a and hold the lower end of the break portion 53, so that the break portion 53 can be easily broken.

  The plate 60b of the bottom portion 60 has a hole 61b formed along the lower end of the break portion 57 of the inner rear plate 56. Thus, the user can insert the finger into the hole 61b and hold the lower end of the break portion 57, so that the break portion 57 can be easily broken.

  In the above, the procedure for molding the outer container 10 and the procedure for molding the inner container 50 are described separately with reference to FIGS. 8 and 9 for ease of understanding. The outer container 10 and the inner container 50 are molded in a bonded state. By forming the unfolded body 11 and the unfolded body 51 in a bonded state, the packaging container 2 shown in FIG. 1 is formed.

  Subsequently, a method of opening the packaging container 2 will be described with reference to FIGS. 10 and 11. First, the user inserts a finger into the hole 61 a of the bottom 60, holds the break 53 of the inner container 50 and the break 13 of the outer container 10, and applies a force to break the break 53. Thereby, as shown in FIG. 10, the break 53 of the inner container 50 is broken along the break lines 70 and 71, and the break 13 of the outer container 10 is broken along the break lines 30, 31 and 32. Is broken. Thereby, an opening is formed in the front of the packaging container 2.

  The user inserts a finger into the hole 61b of the bottom portion 60, holds the break portion 57 of the inner container 50 and the break portion 17 of the outer container 10, and applies a force for breaking the break portion 57. Thereby, the break portion 57 of the inner container 50 is broken along the break lines 72, 73, 74, and the break portion 17 of the outer container 10 is broken along the break lines 33, 34. In addition, since the break line which connects the upper ends of the two break lines 33 and 34 is not provided, the state where the break portion 17 is connected to the outer back plate 16 is maintained. When the break portions 13, 17, 53, and 57 are broken, the outer container 10 and the inner container 50 can be separated. Then, as shown in FIG. 11, the outer container 10 is separated from the inner container 50 by lifting the outer container 10 upward.

  FIG. 12 shows a perspective view of the inner container 50. The inner container 50 includes a bottom 60, an inner front plate 52 extending upward from the bottom 60, an inner right plate 54, an inner back plate 56, and an inner left plate 58. An opening 52 a is formed in the inner front plate 52 of the inner container 50 by breaking the break portion 53. The opening 52 a extends from the bottom 60 to the upper end of the inner front plate 52. Thereby, the contents accommodated in the inner container 50 can be more easily seen through the opening 52a.

(Correspondence)
The inner front plate 52, the outer front plate 12, the inner back plate 56, the outer back plate 16, and the outer right plate 14 are respectively a "first side wall portion", a "second side wall portion", a "third side wall portion", and a " This is an example of the “fourth side wall” and the “fifth side wall”. The breaking portion 53, the breaking portion 13, the breaking portion 57, and the breaking portion 17 are examples of the “first breaking portion”, the “second breaking portion”, the “third breaking portion”, and the “fourth breaking portion”, respectively. .

(Second embodiment)
Next, a second embodiment will be described with reference to FIGS. FIG. 13 shows a developed body 111 for molding the outer container 10 of the second embodiment. The unfolded body 111 includes an outer front plate 112, an extended portion 114 a and a plate 114 b for forming the outer right plate 114, an outer back plate 116, and an outer left plate 118. A notch 115a is formed between the outer front plate 112 and the outer left plate 118. A notch 115b is formed between the outer rear plate 116 and the outer left plate 118.

  The outer front plate 112 has a break 113. As shown in FIG. 13, the break portion 113 has a wider structure than the break portion 13 of the first embodiment. The breaking portion 113 is formed by two breaking lines 130 and 131 extending upward from the lower end of the outer front plate 112 and one breaking line 132 connecting the upper ends of the two breaking lines 130 and 131. It is defined. Each of the break lines 130 to 132 is constituted by a perforation. The breaking portion 113 has a lower end portion 113a and an upper end portion 113b defined by a folding curve 148. The lower end 113a contacts the inner container 50.

  The outer back plate 116 has a break 117. The break portion 117 is defined by two break lines 133 and 134 extending upward from the lower end of the outer back plate 116. Each of the break lines 133 and 134 is constituted by a perforation. A break line connecting the upper ends of the two break lines 133 and 134 is not provided, but a fold curve 149 connecting the upper ends of the two break lines 133 and 134 is provided. For this reason, even if the break portion 117 is broken, the state in which the break portion 117 is connected to the outer back plate 116 is maintained. The break 117 contacts the inner container 50.

  A procedure for forming the outer container from the expanded body 111 will be described. The order of the procedures described below may be changed as appropriate. First, the outer front plate 112 is bent 90 degrees to the back side at the folding curve 140. Next, the plate 114b is bent 90 degrees to the back side at the folding curve 141, and the extension portion 114a is bent 90 degrees to the back side at the folding curve 142. Further, the outer rear plate 116 is bent 90 degrees to the rear side at the folding curve 143, and the extended portion 114a is bonded to the outer surface of the outer rear plate 116 with an adhesive or the like. Thus, the outer front plate 112, the outer right plate 114, the outer rear plate 116, and the outer left plate 118 are formed.

  Each of the outer top plates 120a to 120d is formed after the contents are stored in the packaging container 2. First, the outer top plate 120b is bent 90 degrees to the back side at the folding curve 145. Further, the outer upper surface plate 120d is bent 90 degrees to the rear side at the folding curve 147. Next, the outer upper surface plate 120a is bent 90 degrees to the inner side at the folding curve 144. Then, the outer upper surface plate 120c is bent 90 degrees to the back side at the folding curve 146.

  FIG. 14 shows a developed body 151 for molding the inner container 50 of the second embodiment. The unfolded body 151 includes an inner front plate 152, an inner right plate 154, an extended portion 156a and a plate 156b for forming the inner back plate 156, an inner left plate 158, and a plurality of sheets for forming the bottom 60. Plates 160a to 160f.

  The inner front plate 152 has a break 153 defined by two break lines 170, 171 extending from the bottom 60 to the upper end of the inner front plate 152. As shown in FIG. 14, the break portion 153 has a wider structure than the break portion 53 of the first embodiment. The break portion 153 is bonded to the inner surface of the lower end portion 113a of the break portion 113 of the outer container 10 with an adhesive or the like. In addition, each of the two break lines 170 and 171 is inclined in the outward direction of the inner front plate 152 (that is, in the left-right direction in FIG. 14) from the bottom 60 toward the upper end of the inner front plate 152.

  The plate 156b of the inner rear plate 156 has a break 157. The breaking portion 157 is defined by two breaking lines 172, 174 extending upward from the bottom portion 60 and one breaking line 173 connecting the upper ends of the two breaking lines 172, 174. . The break portion 157 is bonded to the inner surface of the break portion 117 of the outer container 10 with an adhesive or the like.

  A procedure for forming the inner container 50 from the developed body 151 will be described. The order of the procedures described below may be changed as appropriate. First, the inner front plate 152 is bent 90 degrees to the back side at the folding curve 180. Further, the inner right side plate 154 is bent 90 degrees to the back side at the folding curve 181. Next, the plate 156b is bent 90 degrees to the back side at the folding curve 182. Then, the extension portion 156a is bent 90 degrees to the back side at the folding curve 183, and is bonded to the inner surface of the inner right side plate 154 with an adhesive or the like. As a result, the inner front plate 152, the inner right plate 154, the inner back plate 156, and the inner left plate 158 of the inner container 50 are formed.

  Next, the bottom 60 is formed. First, the plate 160a is bent 90 degrees to the back side at the bending curve 184, and the plate 160b is bent 90 degrees to the back side at the bending curve 185. The plate 160c is bonded to the plate 160a with an adhesive or the like. Next, the plate 160d is bent 90 degrees to the back side at the folding curve 186, and the plate 160e is bent 90 degrees to the back side at the folding curve 187. The plate 160f is bonded to the plate 160d with an adhesive or the like. Thereby, the bottom part 60 is formed.

  The plate 160b of the bottom portion 60 has a hole 161a formed along the lower end of the break portion 153 of the inner front plate 152. Thus, the user can insert the finger into the hole 161a and hold the lower end of the break 153, so that the break 153 can be easily broken.

  The plate 160e of the bottom portion 60 has a hole 161b formed along the lower end of the break portion 157 of the inner rear plate 156. Thus, the user can insert the finger into the hole 161b and hold the lower end of the break 157, so that the break 157 can be easily broken.

  A method for opening the packaging container 2 of the present embodiment will be described. Also in the present embodiment, the user simultaneously breaks the breaking portion 153 of the inner front plate 152 and the breaking portion 113 of the outer front plate 112, and also breaks the breaking portion 157 of the inner rear plate 156 and the outer rear plate 116. The outer container 10 is separated from the inner container 50 by simultaneously breaking the part 117. Thus, an opening extending from the bottom 60 to the upper end of the inner front plate 152 is formed in the inner front plate 152 of the inner container 50. Therefore, the contents contained in the inner container 50 can be more easily seen through the opening.

(Correspondence)
The inside front plate 152, the outside front plate 112, the inside back plate 156, the outside back plate 116, and the outside left side plate 118 are respectively a "first side wall portion", a "second side wall portion", a "third side wall portion", and a " This is an example of the “fourth side wall” and the “fifth side wall”. The breaking portion 153, the breaking portion 113, the breaking portion 157, and the breaking portion 117 are examples of the “first breaking portion”, the “second breaking portion”, the “third breaking portion”, and the “fourth breaking portion”, respectively. .

  As mentioned above, although embodiment of this invention was described in detail, these are only illustrations and do not limit a claim. The technology described in the claims includes various modifications and alterations of the specific examples illustrated above.

(1) The two break lines 70 and 71 of the inner front plate 52 do not have to be inclined outwardly of the inner front plate 52 from the bottom 60 toward the upper end of the inner front plate 52. For example, the two break lines 70 and 71 may extend perpendicular to the bottom 60 from the bottom 60 to the upper end of the inner front plate 52.

(2) The outer back plate 16 may not have the break portion 17, and the inner back plate 56 may not have the break portion 57. In the present modified example, the “third break portion” and the “fourth break portion” can be omitted.

(3) Notches 15a and 15b may not be formed. In this modified example, the “notch portion” can be omitted.

(4) The holes 61a and 61b of the bottom 60 need not be formed. In this modified example, the “hole” can be omitted.

(5) In the above embodiment, the break portion 13 of the outer front plate 12 has the lower end portion 13a and the upper end portion 13b. However, the invention is not limited thereto. For example, the break portion 13 has only the lower end portion 13a. Is also good. That is, the break portion 13 of the outer front plate 12 may have at least a portion that is bonded to the break portion 53 of the inner front plate 52.

(6) The packaging container 2 may be formed by the following procedure. First, the developing body 11 (see FIG. 8) and the developing body 51 (see FIG. 9) are bonded. That is, the broken portion 53 of the inner front plate 52 and the broken portion 13 (that is, the lower end portion 13a) of the outer container 10 are bonded, and the broken portion 57 of the inner back plate 56 and the broken portion 17 of the outer back plate 16 are bonded. Is done. Next, the plates 60a, 60b, 60c, and 60e are bent 180 degrees to the back side at the folding curves 84, 85, 86, and 87, respectively, and the plates 60d and 60f are turned 180 degrees to the front side at the folding curves 89 and 90, respectively. Bends once. Also, the outer front plate 12 and the inner front plate 52 are bent 180 degrees to the back side at the folding curves 40 and 80, respectively. Then, the plate 60f is bonded to the plate 60a. Further, the plate 16b of the outer rear plate 16 and the inner rear plate 56 are bent 180 degrees to the rear side at the folding curves 42 and 82, respectively. The extension 16a of the outer back plate 16 is bonded to the outer surface of the outer left plate 18, the extension 58a of the inner left plate 58 is bonded to the inner surface of the inner back plate 56, and the plate 60d is bonded to the plate 60b. You. As a result, the packaging container 2 is formed in a folded state. Note that the order of the above-described procedures may be changed as appropriate.

(7) The shape of the packaging container 2 is not limited to a rectangular parallelepiped, and may be, for example, a cube or the like.

  Further, the technical elements described in the present specification or the drawings exhibit technical usefulness alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. The technology illustrated in the present specification or the drawings simultaneously achieves a plurality of objects, and has technical utility by achieving one of the objects.

2: Packaging container 10: Outer container 11, 51, 111, 151: Expanded body 12, 112: Outer front plate 13, 17, 53, 57, 113, 117, 153, 157: Break portion 13a, 113a: Lower end portion 13b , 113b: upper end portion 14, 114: outer right side plate 15a, 15b, 115a, 115b: cutout portion 16, 116: outer rear plate 16a, 58a, 114a, 156a: extension portion 16b, 58b, 60a to 60f, 114b, 156b, 160a to 160f: plate 18, 118: outer left side plate 20a to 20d, 120a to 120d: outer upper surface plate 30 to 34, 70 to 74, 130 to 131, 170 to 174: breaking line 40 to 49, 80 to 90 , 140-149, 180-187: folding curve 50: inner container 52, 152: inner front plate 52a: opening 54 , 154: inner right side plate 56, 156: inner rear side plate 58, 158: inner left side plate 60: bottom 61a, 61b, 161a, 161b: hole

Claims (5)

A packaging container,
An inner container for containing the contents,
An outer container configured to receive the inner container;
With
The inner container includes a bottom constituting a bottom surface of the packaging container, and a first side wall extending from the bottom.
The first side wall has a first break portion defined by two break lines extending from the bottom to an upper end of the first side wall,
The outer container includes a second side wall portion that contacts the first side wall portion of the inner container,
The second side wall has a second break portion defined by two break lines extending upward from a lower end of the second side wall,
The packaging container, wherein the first break portion and the second break portion are fixed.   2. The package according to claim 1, wherein each of the two break lines of the first side wall portion is inclined outwardly of the first side wall portion from the bottom toward the upper end of the first side wall portion. 3. container. The inner container further includes a third side wall portion extending from the bottom portion, the third side wall portion facing the first side wall portion,
The third side wall portion has a third break portion defined by two break lines extending upward from the bottom portion,
The outer container further includes a fourth side wall that is in contact with the third side wall of the inner container, the fourth side wall facing the second side wall,
The fourth side wall has a fourth break portion defined by two break lines extending upward from a lower end of the fourth side wall,
The packaging container according to claim 1, wherein the third break portion and the fourth break portion are fixed. The outer container further comprises:
A fifth side wall portion orthogonal to the second side wall portion and continuous with the second side wall portion;
4. The packaging container according to claim 1, further comprising: a notch formed between the second side wall and the fifth side wall. 5.   The packaging container according to any one of claims 1 to 4, wherein the bottom of the inner container includes a hole formed along a lower end of the first break portion.

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