JP2013124103A - Packaging box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seal end carton type packaging box which has a simple structure, is easily unsealed and resealed, and is excellent in merchandise protection when it is resealed.SOLUTION: The packaging box is formed from a box body forming piece 12, and a cylindrical body is formed of a front plate 14, a first side plate 16, a back plate 18, and a second side plate 20. An outer lid piece 54 provided to extend to the back plate 18 and an inner lid piece 32 provided to extend to the front plate 14 are superposed and pasted, and one end of the cylindrical body is closed. An unsealing part 40 surrounded by a second break line 74 joining both inside ends of a pair of first break lines 36 at the base end of the inner lid piece 32 and a first fold ruled line 34 is provided to the front plate 14. A front auxiliary plate 22 pasted on the front plate 14 in an assembled state is continuously connected to the second side plate 20. A pressuring absorption part 74 curved by pressing from the unsealing part 40 side is formed on the front auxiliary plate 22. The front auxiliary plate 22 includes an auxiliary flap 76 at its end. An insertion hole 80 in which the unsealing part 40 can be inserted is provided at a position of a second fold ruled line 78 on the auxiliary flap 76.

Description

  The present invention relates to a sealed-end carton-type packaging box that accommodates goods and the like.

  Conventionally, as a packaging box for storing goods that are transported and displayed as they are in the store, for sheet-end carton-type packaging in which box-forming pieces that are integrally punched from a single blank sheet are three-dimensionally assembled A box is used. In this box-forming piece, for example, four side surfaces connected in parallel, outer lid pieces formed at both end portions of one side surface, and formed at both end portions of the side surface facing this side surface in an assembled state Flaps formed at both ends of the inner lid piece and the other pair of side surfaces are provided. In addition, a small glued piece is provided on the side edge of one side surface located outside the connecting direction.

  When assembling this box-forming piece, the glued piece is glued to the back surface of the opposite side surface, and each side surface is raised by one action so that each side surface is 90 degrees to form a rectangular cylindrical body. Then, the pair of flaps at one end of the cylindrical body are bent at 90 degrees with respect to the side surface, then the inner lid piece is folded, glue is applied to the surface of the inner lid piece, and the outer lid piece is folded on the upper surface. Close and glue again. And after accommodating goods, the other edge part of a cylindrical body is closed similarly.

  Furthermore, in addition to the above basic configuration, a plurality of sealed end carton type packaging boxes that facilitate the opening operation have been proposed. For example, as disclosed in Patent Document 1, a substantially L-shaped cut is provided along a crease line that divides a surface plate that is one side surface and an inner lid piece (one top plate), and the table There is a packaging container in which a face plate is provided with a knob portion surrounded by the crease line and a semicircular cut line. When opening this packaging container, the knob is pushed and broken with a finger, the outer lid piece (the other top plate) and the inner lid piece are pulled up to break the substantially L-shaped cut, and one end of the cylindrical body Perform the operation to release the part.

  Further, as disclosed in Patent Document 2, a slit that forms a predetermined central protrusion is provided in the vicinity of a crease line that separates the front wall that is one side surface and the inner lid piece (flap). A packaging box in which a cutable area defined in a U shape by a break line is provided in the front wall from both ends, and a locking piece that can pass through the slit is provided on the extended end of the outer lid piece (top wall) There is. The locking piece is composed of a leading end locking portion wider than the central protruding portion of the slit and a base end portion narrower than the central protruding portion, and after storing the product in this packaging box, the outer lid piece is It overlaps on the outer side of the inner lid piece, and the front end locking part of the locking piece is inserted into the slit, and the front end locking part is closed by engaging with the slit peripheral part. When opening the packaging box, the cutable area is pushed through with a finger to open the slit, the engagement of the locking pieces is released, and the outer lid piece and the inner lid source are pulled up. When resealing the packaging box, the engagement piece is put inside from the window portion from which the cuttable area has been removed, and the tip locking portion is engaged with the recess formed by the central projecting portion of the slit.

JP 2003-11961 A JP 2004-352273 A

  However, the packaging container of Patent Document 1 does not have a mechanism for closing and holding the outer lid piece again after opening, and once the product is taken out, the packaging box cannot be resealed.

  In addition, when the packaging box of Patent Document 2 is opened, the cuttable area is separated from the main body and becomes garbage, so that the processing is troublesome. Furthermore, when the product is stored and the opening is resealed, it is necessary to insert the locking portion into the cuttable area and engage with the recess by the central protrusion of the slit, and the reseal operation is troublesome. Met. In addition, after resealing, there is a problem that the product is widely exposed through the window portion from which the cuttable area has been removed.

  The present invention has been made in view of the above-mentioned background art, and can be easily opened and resealed with a simple structure, and has a sealed end carton-type packaging excellent in product protection at the time of resealing. The purpose is to provide a box.

  The present invention comprises a box-forming piece integrally punched from one blank sheet, and the box-forming piece includes a front plate, a first side plate, a back plate, and a second side plate in parallel with each other in this order. An outer cover piece extending on an edge parallel to the connection direction on the back plate, and an edge parallel to the connection direction on the front plate, The inner lid piece is divided and extended by a first crease line at one end on the side where the outer lid piece is extended, and in the assembled state, the front plate, the first side plate, the back plate, and the second plate A packaging box formed so as to block one open end of a cylindrical body made of a side plate by overlapping and pasting the outer lid piece on the inner lid piece, from both ends of the first crease line A first break line is provided inward along the first crease line, and both ends inside the first break line are set as starting points on the front plate. An opening portion surrounded by a continuous second break line and the first crease line is provided, and the front plate in an assembled state at an end of the second side plate opposite to the back plate in the connecting direction. A front auxiliary plate facing the back surface side of the outer cover piece is connected to the front auxiliary plate, and the outer cover piece is connected to one end of the front auxiliary plate, which is an edge parallel to the connecting direction and on which the outer cover piece extends. Shorter auxiliary flaps are divided and extended by a second crease line, and an insertion hole is provided at a position of the second crease line so that the opening portion can be inserted. After the front side of the face plate is glued to the back side of the front plate at the portion excluding the pressure absorbing part, the first and second breaking lines are broken and the outer lid piece is opened, and then the opening part is This is a packaging box that can be resealed by the outer lid piece by engaging with the insertion hole.

  The front auxiliary plate is formed with a notch at a position facing the unsealing portion by a notch so as to come out to the opposite side when pressed from the unsealing portion side.

  The insertion hole is provided across the front auxiliary plate and the auxiliary flap across the second crease line, and when the outer cover piece that has been opened is resealed, the opening portion is the difference. It is guided and inserted at the peripheral edge of the insertion hole. For example, the opening portion is formed in a U-shaped tongue-like shape, and the insertion hole is cut out in an arc shape with the side of the front auxiliary plate larger than the tip of the opening portion across the second crease line, A structure in which the side of the auxiliary flap is formed by being cut out in an arc shape relatively smaller than the side of the front auxiliary plate is preferable. Moreover, you may provide a 3rd broken line along the crease line which crosses the base end part of the said outer cover piece.

  The packaging box of the present invention has a simple structure, is easy to assemble, is easy to open, and can be reliably resealed even after opening without a sense of incongruity. In addition, a packaging device for forming an existing sealed end carton can be used, and the packaging workability is good.

  Moreover, in the resealed state after being opened once, the opening part of the front plate from which the opening part has been removed is closed by the front auxiliary plate, and the outer lid piece is reinforced by overlapping the inner lid piece and the like integrally. Therefore, it is excellent in product protection in a resealed state.

It is an expanded view which shows the box formation piece of the packaging box of one Embodiment of this invention. It is the perspective view (a) which shows the state in the middle of the assembly of the box formation piece of FIG. 1, and the perspective view (b) which shows the assembled state. It is the AA line longitudinal cross-sectional view (a) of the top | upper surface side part of FIG. 2 of the packaging box of this embodiment, and the AA line longitudinal cross-sectional view (b) of the bottom face side part. It is the perspective view (a) explaining the operation | movement which opens the packaging box of this embodiment, and a line longitudinal cross-sectional view (b). It is the perspective view (a) explaining the operation | movement which opens the packaging box of this embodiment, and a line longitudinal cross-sectional view (b). It is the perspective view (a) explaining the operation | movement which opens the packaging box of this embodiment, and a line longitudinal cross-sectional view (b). It is the perspective view (a) explaining the operation | movement which reseals the packaging box of this embodiment, and a line longitudinal cross-sectional view (b).

  Hereinafter, an embodiment of a packaging box according to the present invention will be described with reference to the drawings. As shown in FIG. 2 (b), a packaging box 10 according to an embodiment of the present invention is a sheet-end carton type box in which both end portions (top surface side and bottom surface side) of a rectangular cylindrical body are closed. It is formed by assembling the box forming piece 12 shown in FIG. Here, FIG. 1 is a developed view of the box-forming piece 12 as seen from the back side.

  The box forming piece 12 is formed by punching one blank sheet such as cardboard, and the front plate 14, the first side plate 16, the back plate 18 and the second side plate 20 are connected in order. Further, on the side of the second side plate 20, a front auxiliary plate 22 which is opposed to the back side of the front plate 14 in the assembled state and is glued is connected. The front plate 14 and the back plate 18 are substantially the same shape, and the front auxiliary plate 22 is slightly smaller. Further, the first side plate 16 and the second side plate 20 have substantially the same shape, and the length in the connecting direction is about ½ of the front plate 14. The front plate 14, the first side plate 16, the back plate 18, the second side plate 20, and the front auxiliary plate 22 are separated by crease lines 24, 26, 28, and 30, respectively.

  A substantially rectangular inner lid piece 32 extends from one end portion on the top surface side of the front plate 14 and is separated from the front plate 14 by a first crease line 34. The extending length of the inner lid piece 32 is about 3/4 of the length in the connecting direction of the first side plate 16. At the position of the first crease line 34, a first break line 36 formed by a cutting blade or the like is provided over a predetermined length inward from both ends thereof. Further, the front plate 14 between the tip portions of the pair of first break lines 36 is provided with a U-shaped second break line 38 that continues from the two tip portions as a starting point. And the opening part 40 surrounded by the 2nd fracture | rupture line 38 is formed.

  An inner lid piece 42 having substantially the same shape as the inner lid piece 32 is also extended at one end portion on the bottom surface side of the front plate 14, and is separated from the front plate 14 by a crease line 44. A break line 45 formed by a cutting blade or the like is provided so as to overlap the crease line 44.

  A flap 46 extends from one end of the first side plate 14 on the top side, and is separated from the first side plate 16 by a crease line 48. A flap 50 having the same shape as the flap 46 is also extended at one end on the bottom side of the first side plate 16, and is separated from the first side plate 16 by a crease line 52.

  A substantially rectangular outer lid piece 54 extends from one end portion on the top side of the back plate 18 and is separated from the back plate 18 by a crease line 56. The extending direction length of the outer lid piece 54 is equal to or slightly shorter than the connecting direction length of the first side plate 16. A third break line 58 formed by a cutting blade or the like is provided at a position overlapping the crease line 56 that crosses the base end portion of the outer lid piece 54.

  An outer lid piece 60 having substantially the same shape as the outer lid piece 54 is also extended at one end portion on the bottom surface side of the rear plate 18, and is separated from the rear plate 18 by a crease line 62. Further, a break line 63 formed by a cutting blade or the like is provided so as to overlap the crease line 62.

  A flap 64 having substantially the same shape as the flap 46 is extended at one end on the top surface side of the second side plate 20, and is separated from the second side plate 20 by a crease line 66. A flap 68 having the same shape as the flap 64 is also extended at one end on the bottom side of the second side plate 20, and is separated from the second side plate 20 by a crease line 70.

  The front auxiliary plate 22 has a U-shaped press-absorbing portion 72 that curves to the opposite side (back side) when pressed from the opening portion 40 side at a position facing the opening portion 40 of the front plate 14 in the assembled state. The notch 74 is formed. The bottom of the notch 74 is formed so as to be located on the bottom side with respect to the tip of the curved second breaking line 38 of the opening 40. Furthermore, a substantially rectangular auxiliary flap 76 extends from one end of the front auxiliary plate 22 on the top surface side, and is separated from the front auxiliary plate 22 by a second crease line 78. The auxiliary flap 76 has an extension length of about 2/3 of the length of the first side plate 16 in the connecting direction, and the tip end portion is slightly swelled in an arc shape.

  At the position of the second crease line 78, an insertion hole 80 having a size capable of inserting the U-shaped opening 40 of the front plate 14 is provided. The insertion hole 80 is cut out in an arc shape larger than the U-shape at the front end of the opening portion 40 with the second crease line 78 interposed therebetween, and the auxiliary flap 76 side from the front auxiliary plate side. Is also cut into a relatively small arc shape.

  Next, a method for assembling the box forming piece 12 will be described with reference to FIGS. As described above, FIG. 1 is a view of the box-forming piece 12 from the back side. Hereinafter, the folding method in which the front side of the box-forming piece 12 is convex and the folding method in which the back side is concave will be described. This is called reverse folding.

  First, the crease line 28 is normally folded, the paste 82 is applied to a wide area on the surface side excluding the pressure absorbing portion 72 of the front auxiliary plate 22, and the crease line 24 is further folded forward, whereby the surface of the front auxiliary plate 22. The side is glued to the back side of the front plate 14. The box forming piece 12 is shipped from the factory of the packaging box 10 in this state.

  Next, in a factory or the like that stores and packs products, the crease lines 24, 26, 28, and 30 are each normally folded so as to be 90 degrees, and as shown in FIG. Form. Then, the flaps 50 and 68 on the bottom surface side are normally folded at 90 degrees along the crease lines 52 and 70, respectively, paste 84 is applied to the surface of the inner lid piece 42 near the crease line 44, and the inner lid piece 62 is folded. Fold it forward at 90 degrees along the ruled line 64. Further, the outer lid piece 76 is normally folded at 90 degrees along the crease line 78, and the surface of the inner lid piece 62 is glued to the back surface of the outer lid piece 76. By this operation, the bottom end portion of the cylindrical body is closed. And goods, such as a pharmaceutical, are inserted inward from the open edge part of the top | upper surface side of a cylindrical body.

  Thereafter, the flaps 46 and 64 on the top surface side are normally folded at 90 degrees along the crease lines 48 and 66, respectively, and glue 86 is applied to the surface of the inner lid piece 32 near the first crease line 34, and the inner lid piece. 32 is normally folded at 90 degrees along the first crease line 34. At this time, the auxiliary flap 76 inside the inner lid piece 32 is also normally folded along the second crease line 78. Further, the outer lid piece 54 is normally folded at 90 degrees along the crease line 56, and the surface of the inner lid piece 32 is glued to the back surface of the outer lid piece 54. By this operation, the end on the top surface side of the cylindrical body is closed, and the packaging operation of the product is completed as shown in FIG. In this state, the top surface side and the bottom surface side are sealed as shown in the cross-sectional views of FIGS.

  The operation of opening and resealing the packaging box 10 is performed as follows. When opening, first, as shown in FIG. 4, the opening part 40 of the front board 14 is pushed in with a finger, and the 2nd fracture | rupture line 38 is fractured | ruptured. At this time, there is the front auxiliary plate 22 inside the opening portion 40, but the pressure absorbing portion 72 is curved inward so that it does not become an obstacle to push the opening portion 40, and the second breaking line 40 can be easily broken. Can do.

  Next, with the finger placed on the opening portion 40, the first break line 36 is broken by pulling upward, and the outer lid piece 54 and the inner lid piece 32 are opened. At this time, the opening portion 40 is continuous with the inner lid piece 32 via the first crease line 34, and the inner lid piece 32 and the outer lid piece 54 are glued to each other. Since the lid piece 54 is integrated, there is no part separated from the main body, and no dust or the like is generated. Moreover, since the auxiliary | assistant flap 76 is following the front auxiliary | assistant board 22 via the 2nd crease line 78, it remains in the position which closes the edge part of a cylindrical body as it is. And as shown in FIG. 6, the auxiliary | assistant flap 76 and the flaps 46 and 64 are pulled up, the edge part of a cylindrical body is open | released, and the goods inside are taken out.

  When the product is returned to the packaging box 10 after being opened and resealed, the flaps 46 and 64 are closed, the auxiliary flap 76 is closed, and the proximal end portion of the auxiliary flap 76 is inserted as shown in FIG. The end portion of the cylindrical body is closed by inserting and engaging the opening portion 40 into the hole 80. At this time, the U-shaped tongue-shaped tip portion of the opening portion 40 is guided by the arc-shaped peripheral edge portion of the insertion hole 80, and the opening portion 40 can be smoothly inserted. It is blocked.

  As described above, the packaging box 10 of this embodiment is easy to assemble with a simple structure, easy to open the outer lid piece 54, and can be reliably resealed even after opening without a sense of incongruity. It is also possible to use an existing packaging device used in a conventional sealed end carton (a general box provided with small paste pieces instead of the front auxiliary plate 22).

  In addition, the top surface portion after opening has the outer cover piece 54 reinforced by the inner inner cover piece 32, the front plate 14 is reinforced by the front auxiliary plate 22, and the opening portion 40 and the external force that is easily applied with external force when resealed The structure of the insertion hole 80 is also difficult to break. Moreover, the window part of the front board 14 from which the opening part 40 was removed is blocked | closed by the front auxiliary board 22, and goods are not exposed outside. Therefore, it is excellent in product protection in a resealed state.

  Furthermore, since the third break line 58 and the break lines 63 and 44 are provided at the positions of the base end portions of the outer lid pieces 54 and 60 and the inner lid piece 42, when the packaging box 10 is discarded, it is easily disassembled. And can be folded flat.

  The packaging box of the present invention is not limited to the above embodiment. For example, not only the top surface side but also the bottom surface side is provided with the opening portion, the auxiliary flap, the pressure absorbing portion, etc. You may make it the structure which can open and reseal both sides of a shape.

  Further, the size of the box, the material, the shape of each member, and the like can be changed as appropriate. In addition, regarding the shape of the opening part and the insertion hole, considering the strength of the box material and the ease of slipping of the surface, the operation of inserting the opening part into the insertion hole is easy and stable engagement is obtained. It is preferable to appropriately set the shape to be obtained.

10 Packaging Box 12 Box Forming Piece 14 Front Plate 16 First Side Plate 18 Back Plate 20 Second Side Plate 22 Front Auxiliary Plates 32, 42 Inner Cover Piece 34 First Fold Line 36 First Break Line 38 Second Break Line 40 opening part 54,60 outer lid piece 58 third breaking line 72 pressure absorbing part 74 notch 76 auxiliary flap 80 insertion hole 82, 84, 86 glue

Claims (5)

It consists of a box-forming piece integrally punched from one blank sheet, and the box-forming piece has a crease line parallel to each other in order of a front plate, a first side plate, a back plate, and a second side plate. Connected through
The back plate has an outer cover piece extending at an end edge parallel to the connecting direction, and the front plate has an end edge parallel to the connecting direction and the side having the outer cover piece extended. The inner lid piece is divided and extended at one end of the first crease line,
In an assembled state, one open end of a cylindrical body composed of the front plate, the first side plate, the back plate, and the second side plate is glued with the outer cover piece overlapped with the inner cover piece. In a packaging box formed to close,
A first break line is provided inward along the first crease line from both ends of the first crease line,
The front plate is provided with an opening portion surrounded by the second break line and the first crease line that are continuous from both ends inside the first break line,
A front auxiliary plate facing the back side of the front plate in an assembled state is connected to an end of the second side plate opposite to the back plate in the connecting direction,
On the front auxiliary plate, an auxiliary flap that is an edge parallel to the connecting direction and on the side where the outer lid piece extends is provided with a second crease line that is shorter than the outer lid piece. It is divided and extended, and is provided with an insertion hole of a size capable of inserting the opening portion at the position of the second crease line,
In the assembled state, the front side of the auxiliary front plate is glued to the back side of the front plate at a portion excluding the pressure absorbing portion, the first and second break lines are broken, and the outer lid piece is opened. A packaging box characterized in that the unsealing portion can be resealed by the outer lid piece by engaging the opening portion with the insertion hole.   The packaging box according to claim 1, wherein the front auxiliary plate is formed with a notch formed at a position facing the unsealing portion by a notch so as to be pressed out from the unsealing portion.   The insertion hole is provided across the front auxiliary plate and the auxiliary flap across the second crease line, and when the outer cover piece that has been opened is resealed, the opening portion is the difference. The packaging box according to claim 2, wherein the packaging box is inserted by being guided at a peripheral edge of the insertion hole.   The opening portion is formed in a U-shaped tongue-like shape, and the insertion hole is cut out in a circular arc shape on the side of the front auxiliary plate across the second crease line so as to be larger than the tip of the opening portion. The packaging box according to claim 3, wherein a flap side is cut out in an arc shape that is relatively smaller than the front auxiliary plate side. The packaging box according to claim 1 or 2, wherein a third breaking line is provided along a crease line that crosses a base end portion of the outer lid piece.

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