JP6967889B2 - Packaging box - Google Patents

Description

The present invention relates to a packaging box having a structure in which a lid for closing an opening is integrally provided.

Conventionally, some packaging boxes formed by bending and gluing a box body forming piece integrally punched from a blank sheet are provided with a lid for closing the opening, and the lid is further reinforced. There are also some. For example, in the packaging box of Patent Document 1, the top surface as a lid includes a main top surface and an auxiliary top surface continuously formed on an extension of the main top surface via a polygonal line. The top surface is formed by folding and adhering to the main top surface side along the folding line. By making the top surface double, it is possible to prevent the top surface from curling or collapsing when stacked.

Further, the packaging box of Patent Document 2 is provided with an upper outer lid and an upper inner lid which are lids connected to each other on the front plate, an upper inner lid is provided on the back plate, and each constituent plate is bent according to each folding line and adheres to each other. The upper lid is a triple lid consisting of an upper outer lid, an upper middle lid, and an upper inner lid. As a result, the rigidity of the upper lid becomes sufficient, and the opening and closing operation of the upper lid can be smoothly performed.

Utility Model Registration No. 3195306 Japanese Unexamined Patent Publication No. 2017-7724

In the case of the above background technique, in Patent Document 1, since the auxiliary top surface is provided in connection with the side edge portion of the main top surface, the shape of the box body forming piece becomes distorted, and the auxiliary top surface is laterally provided. Since it protrudes in a slender shape, there is a problem that the number of box body forming pieces punched out from one blank sheet is reduced and the blank sheet is wasted. In addition, a process of folding the auxiliary top surface onto the main top surface is also required, which increases the number of assembly processes.

The same applies to Patent Document 2, and since the upper inner lid is provided in connection with the tip end portion of the upper outer lid, there is a problem that the upper inner lid is elongated and protrudes, resulting in a large amount of waste of the blank sheet. In addition, there are many steps of folding the upper inner lid onto the upper outer lid. Further, Japanese Patent Application Laid-Open No. 1 and Patent Document 2 are provided with an auxiliary top surface for reinforcement and an information inner lid, and it is not considered that the back surface of the lid piece has other functions.

The present invention has been made in view of the problems of the above background technology, and has a simple structure in which a card is glued to the back surface of a lid piece, and the card provides various functions such as reinforcement, information display, and decoration. It is intended to provide the provided packaging box.

The present invention is composed of a single box body forming piece, and the box body forming piece is provided with a side surface connected in parallel to each other and assembled into a cylinder and an end portion in a direction intersecting the connecting direction of the side surface. a lid member for covering the end portion of the cylindrical body, the end portion of the lid side of the side surface adjacent to the side surface of the lid piece is provided, cards glued to overlap the back surface side of the lid piece It is a packaging box provided, and a breaking line is provided between the card and the side surface on which the card is provided.

The lid piece is an upper lid piece that closes the upper surface of the box body or a bottom lid piece that closes the lower surface of the box body. Alternatively, the lid piece may be a flap stacked on the back surface of the top lid piece or the bottom lid piece, and is used for a sealed end carton type packaging in which an inner lid piece and an outer lid piece are provided and glued to each other to close the opening of the box body. It may be a piece of the inner lid of the box.

Further, the side surface adjacent to the side surface of the lid piece is provided, wherein the said end of the lid side flap folded on the back surface of the cover piece is provided via a folding border, the flap, the The cards are continuously provided, and the boundary line between the flap and the card is separated by the break line.

The card is rectangular and is continuously provided at the tip of the flap on the side opposite to the side surface. The card is a reinforcing piece that reinforces the lid piece. Alternatively, the card may surround a portion communicating with one side edge portion and glue it to the lid piece to form a pocket having the one side edge portion as an outlet. Further, a part of the card may be provided with a detachable display piece separated by a cuttable line such as a zipper line.

The packaging box of the present invention has a simple structure, and a card is glued to the back surface of the lid piece by a simple assembly process, and the card can provide various functions such as reinforcement, information display, and decoration. When the card is a reinforcing piece, the lid piece can be reinforced to have rigidity. The smooth surface of the front side of the blank sheet is attached to the back surface of the lid piece, and the surface on which characters and patterns are printed and the surface with various processing are attached to the back surface of the lid piece, and information is displayed when the lid piece is opened. Or the appearance can be improved. In addition, a pocket can be attached to the back of the lid piece, or a detachable display piece can be provided.

It is a development view of the packaging box of the 1st Embodiment of this invention. It is a perspective view which shows the opened state of the packaging box of 1st Embodiment of this invention. It is a development view of the packaging box of the 2nd Embodiment of this invention. It is a development view of the packaging box of the 3rd Embodiment of this invention. It is a development view of the packaging box of the 4th Embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 show the first embodiment of the present invention, and the packaging box 10 of this embodiment is a rectangular parallelepiped box body, which is a box obtained by integrally punching a blank sheet such as cardboard. It is formed by assembling the body forming pieces 12.

FIG. 1 is a developed view of the box body forming piece 12 as viewed from the surface, and the box body forming piece 12 is formed by connecting the side surfaces 14, 16, 18, and 20 in parallel with each other. The sides 14, 16, 18 and 20 have the same length in the width direction in which they are connected, the sides 14 and 18 are long and almost equal to each other, and the sides 16 and 20 are shorter and are approximately equal to each other. Almost equal. Further, the side edge portion of the side surface 14 is provided with a glued piece 22 that is glued to the back surface of the side surface 20 in the assembled state of the packaging box 10. The glued pieces 22, the side surfaces 14, 16, 18, and 20 are separated by fold ruled lines 24, 26, 28, and 30, respectively.

On the side surface 14, an upper lid piece 32 is provided at one end in a direction perpendicular to the connecting direction between the side surfaces, separated by a fold ruled line 34. At the end of the upper lid piece 32 on the opposite side of the fold ruled line 34, the upper lid insertion piece 36 is further separated by the fold ruled line 38.

At the end of the side surface 14 opposite to the fold ruled line 34, the first bottom lid piece 40 is provided separated by the fold ruled line 42. The first bottom lid piece 40 is formed in a trapezoidal shape with the folded ruled line 42 as the lower bottom, and the length from the folded ruled line 42 to the end portion 40a, which is the upper base parallel to the folded ruled line 42, is the assembly of the packaging box 10. In the state, it is provided in a length located near the center line of the bottom, that is, about half the width of the side surfaces 16 and 20. The end 40a is integrally provided with a small rectangular first bottom insertion piece 44 projecting outward from the end 40a at a position close to the glue piece 22. The edge portion 44a on the side surface 16 side continuous with the end portion 40a of the first bottom portion insertion piece 44 has a shape curved outward so as to approach the end portion 40a as it approaches the side surface 16 side. The portion of the end portion 40a on the side surface 16 side is provided with a substantially triangular bottom glued piece 46 separated by a fold ruled line 48. The fold ruled line 48 is provided in a direction intersecting the fold ruled line 42 at an acute angle.

A rectangular upper flap 50 is provided on the side surface 16 at an end connected to the fold ruled line 34 of the side surface 14, separated by a fold ruled line 52. The upper flap 50 is formed in a rectangular shape with the fold ruled line 52 as one side, and the length from the fold ruled line 52 to the end portion 50a parallel to the fold ruled line 52 is the length from the fold ruled line 34 to the fold ruled line 38 of the upper lid piece 32. It is less than half as short. A card 54, which is a reinforcing piece for reinforcing the upper lid piece 32, is provided at the end portion 50a, separated by a break line 56. The card 54 is a rectangle having the end 50a of the upper flap 50 as a part of one side. The length of the card 54 from the end 50a of the upper flap 50 to the end 54a parallel to it is shorter than the length from the fold ruled line 34 to the fold ruled line 38 of the upper lid piece 32, and the end 54a is the fold ruled line 38. It is located closer to the end 50a than the end 50a. The length in the direction parallel to the end portion 54a is longer than that of the upper flap 50 and slightly shorter than that of the upper lid piece 32. The pair of side edge portions 54b located at right angles to the end portion 54a are located laterally to the substantially center of the side surface 18 beyond the side edge portion where one side is located on the extension line of the folded ruled line 28 of the upper flap 50. The other is located in the vicinity of the extension line of the folded ruled line 26, and is slightly separated from the upper lid piece 32. Each corner of the card 54 is chamfered.

At the end of the side surface 16 opposite to the fold ruled line 52, a trapezoidal bottom flap 57 having a short upper bottom is provided separated by the fold ruled line 58.

No other members are provided on the end portion 18a of the side surface 18 adjacent to the fold ruled line 52 of the side surface 16. A U-shaped breaking line 21 for opening is provided at the center of the end portion 18a. Both ends of the break line 21 are continuous with the end 18a, and the portion surrounded by the break line 21 and the end 18a serves as an opening for cutting the break line 21 by pushing when opening. The break line 21 may have a semicircular shape instead of a U shape.

At the end of the side surface 18 adjacent to the fold ruled line 58 of the side surface 16, a second bottom lid piece 60 having the same shape as the first bottom lid piece 40 is provided separated by the fold ruled line 62. The second bottom lid piece 60 is formed in a trapezoidal shape with the fold ruled line 62 as the lower bottom, and the length from the fold ruled line 62 to the end portion 60a, which is the upper bottom parallel to the fold ruled line 62, is the assembly of the packaging box 10. In the state, it is provided in a length located near the center line of the bottom, that is, about half the width of the side surfaces 16 and 20. The end 60a is integrally provided with a small rectangular second bottom insertion piece 64 protruding outward from the end 60a at a position close to the bottom flap 57. The edge portion 64a on the side surface 20 side continuous with the end portion 60a of the second bottom insertion piece 64 has a shape curved outward so as to approach the end portion 60a as it approaches the side surface 20 side. The portion of the end portion 60a on the side surface 20 side is provided with a substantially triangular bottom glued piece 66 separated by a fold ruled line 68. The fold ruled line 68 is provided in a direction intersecting the fold ruled line 62 at an acute angle.

An upper flap 70 having the same shape as the upper flap 50 is provided on the side surface 20 at the end portion connected to the end portion 18a of the side surface 18 so as to be separated by a fold ruled line 72. At the end of the side surface 20 opposite to the fold ruled line 72, a bottom flap 74 having the same shape as the bottom flap 57 is provided separated by the fold ruled line 76.

Next, a method of assembling the packaging box 10 of this embodiment will be described. Here, FIG. 1 shows the front surface of the box body forming piece 12 of the packaging box 10, and the folding method in which the front surface of the box body forming piece 12 is convex is forward-folded, and the back surface is convex. This is called reverse folding.

First, the first bottom lid piece 40, the bottom flap 57, the second bottom lid piece 60, and the bottom flap 74 are normally folded along the fold ruled lines 42, 58, 62, 76, and then the fold ruled line of the first bottom lid piece 40. 48 and the fold ruled line 68 of the second bottom lid piece 60 are reversely folded, and glues 78 and 80 are applied to the back surfaces of the bottom glue pieces 46 and 66, respectively. Further, the glue 81 is applied to the back surface of the card 54. The glue 81 is applied in a straight line over the entire width of the card 54 at a substantially right angle to the end portion 54a, and is applied in two places at the center in the longitudinal direction along the end portion 54a of the card 54 and near the side edge portion 54b. , Apply to a total of 3 places. Next, the folding ruled line 26 is folded forward. As a result, the card 54 is glued to the back surface of the upper lid piece 32 by the glue 81. At this time, the card 54 does not protrude from the upper lid piece 32. The back surface of the bottom glued piece 46 of the first bottom lid piece 40 is glued to the surface of the bottom flap 57 with glue 78. Next, glue 82 is applied to the surface of the glued piece 22, and the fold ruled line 30 is folded forward. As a result, the side surface 20 is glued to the surface of the glue piece 22 with glue 82, and the back surface of the bottom glue piece 66 of the second bottom lid piece 60 is glued to the surface of the bottom flap 74 with glue 80. As a result, the box body forming piece 12 is in a folded state and is shipped in this state.

Next, in a factory or the like for accommodating and packaging the contents, the folded ruled lines 24, 26, 28, and 30 are normally folded at 90 ° to form a quadrangular box. At this time, since the bottom glued piece 46 of the first bottom lid piece 40 is glued to the bottom flap 57 and the bottom glued piece 66 of the second bottom lid piece 60 is glued to the bottom flap 74, it is folded in half. The ruled lines 42, 58, 62, 76 are automatically raised and open at approximately 90 °, and the bottom is formed with one touch.

While the bottom is being formed, the edge 44a of the first bottom insertion piece 44 of the first bottom lid piece 40 and the edge 64a of the second bottom insertion piece 64 of the second bottom lid piece 60 gradually approach each other. It comes into contact with each other and is pushed, and each of them bends. Further closer, the corners of the edge 44a and the end 40a and the corners of the edge 64a and the end 60a are locked to each other, and the first bottom insertion piece 44 and the second bottom insertion piece 64 Deflection is eliminated and it is securely locked. Then, the first bottom insertion piece 44 is inserted into the back surface of the second bottom lid piece 60 and overlaps, and the second bottom insertion piece 64 is inserted into the back surface of the first bottom lid piece 40 and overlaps, and is locked to each other. NS. This ensures that the bottom is locked and maintains the shape of the bottom of the box, preventing it from returning to the folded state.

The card 54 is overlapped and glued on the back surface of the upper lid piece 32, and when the box body forming piece 12 is in the folded state, the side surface 14 on which the upper lid piece 32 is continuous and the side surface 16 on which the card 54 is continuous are folded. , It is in a flat state. However, when assembling the packaging box 10, the break line 56 is cut when the fold ruled line 26 is opened at 90 °, and the upper flap 50 and the card 54 are separated. Alternatively, the breaking line 56 may be cut by reverse-folding the upper lid piece 32 along the folding ruled line 34. As shown in FIG. 2, the card 54 is positioned parallel to the side surface 14 in a state of being glued to the back surface of the upper lid piece 32, and the upper flap 50 is positioned continuously to the side surface 16 and parallel to the side surface 16. , Open 90 ° to each other. The card 54 is laminated and glued to the upper lid piece 32, and the rigidity of the upper lid piece 32 is increased.

In this state, put the contents in the box, fold the upper flaps 50 and 70 at the fold ruled lines 52 and 72, then fold the top lid piece 32 at the fold ruled line 34, and then fold the fold ruled line 38. The upper lid insertion piece 36 is inserted into the back surface side of the side surface 18 and closed. The back surface of the opening push-in portion 19 and the front surface of the upper lid insertion piece 36 are glued and closed. This completes the packaging.

According to the packaging box 10 of this embodiment, the card 54 can be glued and reinforced on the back surface of the upper lid piece 32 by a simple assembly process with a simple structure, and the rigidity of the upper lid piece 32 can be increased. As a result, the upper lid piece 32 is prevented from warping and bulging outward, the appearance is improved, and the contents are prevented from hitting the warped upper lid piece 32. In addition, the contents can be protected when a force is applied from above. In addition, the smooth surface of the front side of the blank sheet is attached to the back surface of the lid piece, and the surface on which characters and patterns are printed and the surface with various processing are attached to the back surface of the lid piece, and information is displayed when the lid piece is opened. It can be displayed and the appearance can be improved.

The box body forming piece 12 is a box body in which the card 54 is located inside the lengths of the side surfaces 14, 16, 18, and 20 to which the cards are connected in the longitudinal direction and the width of the upper lid piece 32, and does not project laterally. Since the shapes of the formed pieces 12 are organized, the number of box-shaped formed pieces punched out from one blank sheet is less affected, and the waste of the blank sheet is less likely to increase. Further, the step of folding and gluing the card 54 on the upper lid piece 32 and the step of separating the card 54 from the upper flap 50 are the steps of folding the box body forming piece of a general packaging box without the card 54. It is done, the assembly process is not many, and the assembly is easy.

Next, the second embodiment of the present invention will be described with reference to FIG. Here, the same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted. The packaging box 84 of this embodiment is provided with a pocket 86 on the back surface of the upper lid piece 32 for storing small items such as instruction manuals and accessories for the contents. FIG. 3 is a developed view of the box body forming piece 88 of the packaging box 84 of this embodiment as viewed from the surface, and has side surfaces 14, 16, 18, and 20 similar to the box body forming piece 12 of the above embodiment. The gluing piece 22 is provided. Further, the first bottom lid piece 40, the bottom flap 57, the second bottom lid piece 60, and the bottom flap 74 are provided in this order. As a result, the bottom is formed with one touch in the assembly process.

A rectangular upper flap 50 is provided on the side surface 16 at an end connected to the fold ruled line 34 of the side surface 14, separated by a fold ruled line 52. A rectangular card 90 having substantially the same size as the card 54 of the above embodiment is provided at the end portion 50a of the upper flap 50, separated by a break line 56. The card 90 is formed by being surrounded by an end portion 90a parallel to the end portion 50a of the upper flap 50 and a pair of side edge portions 90b located at right angles to the end portion 90a. A recess 92 is cut out at the center of the end portion 90a. The shape of the flap 70 is free, and here, it is provided larger than that of the first embodiment, smaller than the upper lid piece 32, and is stacked on the back side of the upper lid piece 32.

Next, a method of assembling the packaging box 84 of this embodiment will be described. The method of assembling the packaging box 84 is substantially the same as that of the above embodiment. However, the glue 81 to be applied to the back surface of the card 90 is applied in two places in the vicinity of the side edge portion 90b in a straight line substantially perpendicular to the end portion 90a, and is the center in the longitudinal direction along the end portion 90a of the card 90. Apply in one short place near the end 50a opposite to the end 90a.

When the folded ruled line 26 is folded forward in the assembly process, the card 90 is glued to the back surface of the upper lid piece 32 by the glue 81. At this time, the central portion of the card 90 continuous with the end portion 90a is not glued, and a storage space 94 for the pocket 86 is formed between the card 90 and the upper lid piece 32 as shown by a two-dot chain line.

When the box body forming piece 88 is in the folded state, the side surface 14 on which the upper lid piece 32 is continuous and the side surface 16 on which the card 90 is continuous are folded, so that the box body forming piece 88 is flat. However, when the fold ruled line 26 is opened at 90 °, the break line 56 is cut and the upper flap 50 and the card 90 are separated. Alternatively, the breaking line 56 may be cut by reverse-folding the upper lid piece 32 along the folding ruled line 34. The card 90 is located parallel to the side surface 14 in a state of being glued to the back surface of the upper lid piece 32, and the upper flap 50 is continuous with the side surface 16 and parallel to the side surface 16 and is opened at 90 ° to each other. Cards 90 are overlapped and glued to the upper lid piece 32, a storage space 94 is formed between the upper lid piece 32 and the upper lid piece 32, and a pocket 86 is provided.

According to the packaging box 84 of this embodiment, it has the same effect as that of the above-described embodiment. In addition, a pocket 86 can be provided on the back surface of the upper lid piece 32 by a simple structure and a simple assembly process, and small items such as instruction manuals and accessories can be accommodated, which is convenient.

Next, a third embodiment of the present invention will be described with reference to FIG. Here, the same members as those in the above embodiment are designated by the same reference numerals, and the description thereof will be omitted. The packaging box 96 of this embodiment is provided with a detachable display piece 104 on the back surface of the upper lid piece 32. FIG. 4 is a developed view of the box body forming piece 100 of the packaging box 96 of this embodiment as viewed from the surface, and has side surfaces 14, 16, 18, and 20 similar to the box body forming piece 12 of each of the above embodiments. , The glued piece 22 is provided. Further, the first bottom lid piece 40, the bottom flap 57, the second bottom lid piece 60, and the bottom flap 74 are provided in this order, and the bottom portion is formed with one touch in the assembly process.

A rectangular upper flap 50 is provided on the side surface 16 at an end connected to the fold ruled line 34 of the side surface 14, separated by a fold ruled line 52. A rectangular card 102 having substantially the same size as the cards 54 and 90 of the above embodiment is provided at the end portion 50a of the upper flap 50, separated by a break line 56. The card 102 is formed by being surrounded by an end portion 102a parallel to the end portion 50a of the upper flap 50 and a pair of side edge portions 102b located at right angles to the end portion 102a.

A display piece 104 is provided inside the card 102. The display piece 104 is a rectangle slightly smaller than the card 102, one end 104a is provided so as to coincide with the end 102a of the card 102, and the side edge portion 104b opposite to the end 104a is a break line. It is provided at a position in the vicinity of 56 substantially parallel to the end portion 104a. The pair of side edge portions 104c and 104d intersecting the end portions 104a and 104b are provided at positions slightly distant from the pair of side edge portions 102b intersecting the end portions 102a of the card 102 and substantially at right angles to the end portions 102a. Has been done. The display piece 104 is surrounded by a U-shaped zipper line 106 formed along the end portions 104b and the side edge portions 104c and 104d, and is separated from the other parts of the card 102.

The display piece 104 is provided with a side edge portion 104d close to the upper lid piece 32 and a knob portion 108 at a corner portion surrounded by the end portion 104a. The knob portion 108 is formed by slightly bulging outward from the end portion 104a, and is provided with a folded ruled line 110 that intersects the corner portion surrounded by the end portion 104a and the side edge portion 104d so as to chamfer. The knob 108 holds the display piece 104 when it is cut from the card 102. Display items are printed on the display piece 104 with characters, symbols, and the like.

Next, a method of assembling the packaging box 96 of this embodiment will be described. The method of assembling the packaging box 96 is almost the same as that of each of the above embodiments. However, the glue 81 applied to the back surface of the card 102 is applied in two places in the vicinity of the side edge portion 102b in a straight line substantially perpendicular to the end portion 102a, and is centered in the longitudinal direction along the end portion 102a of the card 102. Apply in one short place near the end 50a opposite to the end 102a.

When the folding ruled line 26 is folded forward in the assembly process, the card 102 is glued to the back surface of the upper lid piece 32 by the glue 81. At this time, the display piece 104 of the card 102 is not glued to the upper lid piece 32.

When the box body forming piece 100 is in the folded state, the side surface 14 on which the upper lid piece 32 is continuous and the side surface 16 on which the card 102 is continuous are folded, so that the box body forming piece 100 is flat. However, when the fold ruled line 26 is opened at 90 °, the break line 56 is cut and the upper flap 50 and the card 102 are separated. Alternatively, the breaking line 56 may be cut by reverse-folding the upper lid piece 32 along the folding ruled line 34. The card 102 is overlapped and glued to the upper lid piece 32, and the display piece 104 is detachably attached.

When information about the contents contained in the packaging box 96 is required, the display piece 104 is used separately. The method of disconnecting is to put a finger on the knob portion 108 and bend the fold ruled line 110 to raise the knob portion 108 while cutting the zipper wire 106. Even after the display piece 104 is separated, the upper lid piece 32 is closed to continue packaging the contained contents.

According to the packaging box 96 of this embodiment, it has the same effect as that of each of the above-described embodiments. Further, a detachable display piece 104 can be provided on the back surface of the upper lid piece 32 by a simple structure and a simple assembly process. Since information and the like about the contents are printed on the display piece 104, the display piece 104 can be removed and used at a remote place, which is convenient. Even if the display piece 104 is removed, no hole is formed in the upper lid piece 32, and the contained contents can be continuously packaged by the upper lid piece 32.

Next, a fourth embodiment of the present invention will be described with reference to FIG. The packaging box 112 of this embodiment is a sealed end carton type that closes the opening of the box body by gluing the outer lid piece and the inner lid piece. FIG. 5 is a developed view of the box body forming piece 114 of the sealed end carton type packaging box 112 of this embodiment as viewed from the surface, and the side surfaces 14 and 16 are the same as the box body forming piece 12 of each of the above embodiments. , 18, 20 and the glued piece 22 are provided. The glued pieces 22, the side surfaces 14, 16, 18, and 20 are separated by fold ruled lines 24, 26, 28, and 30, respectively.

Rectangular inner lid pieces 116 are provided at both ends of the side surface 14 in a direction perpendicular to the connecting direction of the side surfaces, respectively, separated by a fold ruled line 118. The inner lid piece 116 is a rectangle slightly smaller than the opening at the end of the cylinder formed by assembling the side surfaces 14, 16, 18, and 20 in the assembled state of the packaging box 112. On the side surface 14, a U-shaped break line 120 for opening is provided at the center of one of the folded ruled lines 118. Both ends of the break line 120 are continuous with the fold ruled line 118, and the portion surrounded by the fold line 120 and the fold ruled line 118 is an opening 122 that is pushed at the time of opening to cut the break line 120.

Rectangular flaps 124 are provided on both ends of the side surface 16 adjacent to the fold ruled line 118, separated by the fold ruled line 126. The flap 124 is formed in a rectangular shape with the fold ruled line 126 as one side, and the length from the fold ruled line 126 to the end portion 124a parallel to the flap 124 is from the fold ruled line 118 of the inner lid piece 116 to the opposite side of the fold ruled line 118. It is less than half the length up to the end 116a.

A card 128 is provided at the end portion 124a of the flap 124 on the upper surface of the packaging box 112 of the pair of flaps 124, separated by a break line 130. The card 128 is a trapezoid with the end 124a of the flap 124 as one side, and the length of the card 128 from the end 124a of the flap 124 to the end 128a parallel to it is the fold ruled line of the inner lid piece 116. It is shorter than the length from 118 to the end 116a, and the end 128a is closer to the end 124a than the end 116a. The length in the direction parallel to the end portion 124a is slightly longer on the end portion 124a side than on the flap 124 and slightly shorter on the end portion 128a side. The pair of side edge portions 128b continuous to both ends of the end portions 128a are located on the side surface 16 side of the extension lines of the fold ruled lines 26 and 28. Each corner of the card 128 is chamfered. The card 128 may be anything such as a reinforcing piece for reinforcement, a printed one, a pocket, or a detachable display piece.

Rectangular outer lid pieces 132 are provided at both ends of the side surface 18 in a direction perpendicular to the connecting direction of the side surfaces, respectively, separated by a fold ruled line 134. The outer lid piece 132 has substantially the same size as the opening at the end of the cylinder formed by assembling the side surfaces 14, 16, 18, and 20 in the assembled state of the packaging box 112, and is more than the inner lid piece 116. It is provided a little larger and covers the inner lid piece 116.

Flaps 136 having substantially the same shape as the flaps 124 are provided at both ends of the side surface 20 in a direction perpendicular to the connecting direction of the side surfaces, respectively, separated by a fold ruled line 138.

Next, a method of assembling the packaging box 112 of this embodiment will be described. Glue 82 is applied to the surface of the glued piece 22, and glue 142 is applied to the back surface of the card 128. The glue 142 is applied to the portion of the card 128 between the break line 130 and the end 128a in a straight line perpendicular to the break line 130. Next, the folding ruled line 26 is folded forward. As a result, the card 128 is glued to the back surface of the inner lid piece 116 by the glue 142. At this time, the card 128 does not protrude from the inner lid piece 116. Next, the folding ruled line 30 is folded forward. As a result, the side surface 20 is glued to the surface of the glue piece 22 with glue 82, and the box body forming piece 114 is in a folded state and shipped in this state.

When the box body forming piece 114 is in the folded state, the side surface 14 on which the inner lid piece 116 is continuous and the side surface 16 on which the card 128 is continuous are folded, so that the box body forming piece 114 is flat. However, when the fold ruled line 26 is opened at 90 °, the break line 130 is cut and the flap 124 and the card 128 are separated. Alternatively, the break line 130 may be cut by reverse-folding the inner lid piece 116 along the folding ruled line 118. Cards 128 are laminated and glued to the inner lid piece 116 to be provided.

Then, at the end of the packaging box 112 on the upper surface side, first, the flap 136 is normally folded at 90 ° along the fold ruled line 138, and the flap 124 from which the card 128 is removed is normally folded at 90 ° at the fold ruled line 126. Next, the inner lid piece 116 to which the card 128 is attached is normally folded at 90 ° along the fold ruled line 118. Glue 140 is applied to the surface of the inner lid piece 116, the outer lid piece 132 is folded forward at 90 ° along the fold ruled line 134, and the surface of the inner lid piece 116 is glued to the back surface of the outer lid piece 132 by the glue 140. .. The glue 140 is applied, for example, in the vicinity of the fold ruled line 118 in a straight line parallel to the fold ruled line 118. As a result, the upper surface of the box body is completed. In this state, put the contents (not shown) inside.

Then, at the end portion of the bottom surface of the cylinder, the flaps 124 and 136 are normally folded at 90 ° along the fold ruled lines 126 and 138, and then the inner lid piece 116 is normally folded at 90 ° at the fold ruled lines 118. Glue 140 is applied to the surface of the inner lid piece 116, the outer lid piece 132 is folded forward at 90 ° along the fold ruled line 134, and the surface of the inner lid piece 116 is glued to the back surface of the outer lid piece 132 by the glue 140 and closed. do. This completes the bottom of the box and completes the packaging.

When taking out the contents from the packaging box 112, the opening 122 of the side surface 14 is pushed to raise the inner lid piece 116 while cutting the break line 120, and further pulled up to separate and open the inner lid piece 116 and the side surface 14. .. The outer lid piece 132 is glued to the surface of the inner lid piece 116, and the outer lid piece 132 is opened together.

According to the packaging box 112 of this embodiment, it has the same effect as that of the above-described embodiment. Also, in the sealed end carton type packaging box 112, the card 128 can be attached to the back surface of the inner lid piece 116 to reinforce it, improve the display and appearance of information, and attach pockets and display pieces. Various functions can be provided.

The packaging box of the present invention is not limited to each of the above embodiments, and the size and shape of the box can be appropriately changed according to the contents. The material of the box body forming piece can also be changed as appropriate, such as paper or synthetic resin. The shape of the card and the position where the glue is applied can be freely changed, and various shapes can be used according to the function of the card. The function of the card may be other than that provided with a reinforcing piece, a pocket or a display piece as in each of the above embodiments, and may be a card that can be glued flat to the lid piece. The card may be glued to a piece other than the top lid piece, or may be glued to a bottom lid piece, a flap, or the like.

10 Packaging box 12 Box body forming piece 14, 16, 18, 20 Side 32 Top lid piece 50 Top flap 52 Folded ruled line 54, 90, 102, 128 Card 56, 130 Break line 86 Pocket 104 Display piece 106 Zipper line

Claims (4)

The box body forming piece is composed of a single box body forming piece, and the box body forming piece is provided with a side surface connected in parallel to each other and assembled into a cylinder and an end portion in a direction intersecting the connecting direction of the side surface of the cylinder body. a lid member for covering said end portion, the card cover pieces are glued to overlap the back surface side of the provided in the end portion of the cover side the lid piece side surface adjacent to the side surface provided is provided,
A flap to be folded on the back surface of the lid piece is provided at the end of the side surface adjacent to the side surface on which the lid piece is provided, on the side of the lid piece, via a fold ruled line between the side surface and the side surface.
A packaging box in which the card is continuously provided on the flap, and the boundary line between the flap and the card is separated by the break line. The packaging box according to claim 1, wherein the card is a reinforcing piece that reinforces the lid piece. The packaging box according to claim 1, wherein the card surrounds a portion communicating with one side edge portion and is glued to the lid piece to form a pocket having the one side edge portion as an outlet. The packaging box according to claim 1, wherein a detachable display piece is provided on a part of the card separated by a cuttable line.

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