JP5259754B2 - Packaging box - Google Patents

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. The box-forming piece includes, for example, four side surfaces connected in parallel, upper lid pieces formed at both end portions of the one side surface, and both end portions of the side surfaces facing each other without being adjacent to the side surface in the assembled state. Flaps formed at both ends of the formed inner lid piece and the other pair of side surfaces are provided. Also, a glued piece is provided on the side edge of one side surface located on the outside.

  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 separating one side surface (surface plate) and an inner lid piece (one top plate), and the side surface In addition, there is a packaging container provided with a knob portion surrounded by the crease line and the semicircular cut line. When opening the packaging container, push the knob part with your fingers, pull up the outer lid piece and the inner lid piece, break the substantially L-shaped cut, and open one end of the cylindrical body. Do.

  Further, as disclosed in Patent Document 2, a packaging in which two opening cut lines are provided in parallel on a portion of an outer lid piece (outer lid flap) that does not overlap with the inner lid piece (outer cover flap) There is a box. This opening cut line not only can be easily opened by picking and peeling off the end of the portion sandwiched between the opening cut lines, but it is also easy to determine whether it has been opened illegally. It also has a function.

JP 2003-11961 A JP 2003-137274 A

  However, the packaging container and the packaging box of Patent Documents 1 and 2 have no mechanism for closing and holding the outer lid piece after opening, and the packaging box once taken out of the product cannot be resealed. . Further, the packaging box of Patent Document 2 has a problem that the processing is troublesome because the portion sandwiched between the opening cut lines when separated is separated from the main body and becomes garbage.

  The present invention has been made in view of the above-described background art, and an object thereof is to provide a sealed end carton-type packaging box that can be easily opened with a simple structure and can be resealed. .

The present invention comprises a box-forming piece integrally punched from a single blank sheet, and the box-forming piece includes a first side plate, a front plate, a second side plate, and a back plate in parallel with each other in this order. An outer lid piece or an inner lid piece is extended at one end perpendicular to the connecting direction on the back plate and the front plate, respectively, and the first plate in the assembled state is connected to the back plate and the front plate. Packaging formed so as to block one opening end of a cylindrical body composed of a side plate, the front plate, the second side plate, and the back plate by overlaying the outer cover piece on the inner cover piece and gluing it. a use box, the tip portion of the inner lid piece or outer lid piece, the lid pieces in extending the extending direction and the direction of the inner cap piece or outer lid piece is extended, the inner lid piece and the tip portion reseal piece through the opening for cut lines are extended, the inner lid piece towards which the inner lid piece is extended or outer lid piece, the back A cutting line for opening is formed between the plate or the front plate, and in the assembled state, the inner lid piece and the inner lid piece or the outer lid piece are folded and glued to break the opening cutting line Then, even after the outer lid piece is opened, the resealing piece is engaged with the opening end portion of the cylindrical body to enable resealing with the outer lid piece. Further, the front plate or the back plate is provided with an opening portion by the opening cutting line and the breaking line.

The inner lid piece is provided with a notch inward from both ends thereof. The folding border between the tip and the reseal member in said lid member, or may be intermittently the cutting lines are provided.

  It is preferable that the width of the resealable piece is equal to the width of the front plate or the back plate. Further, a pair of incisions are provided at positions inward from both ends of the re-sealing piece, and after the outer lid piece has been opened, the incisions are associated with the flap edges provided on the side plates. It may be possible to re-seal with the outer lid 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 apparatus using an existing sealed end carton can be used, and the packaging workability is good.

It is a perspective view which shows the external appearance before opening of the packaging box of one Embodiment of this invention. It is an expanded view which shows the back surface side of the box formation piece of the packaging box of this embodiment. It is the rear view (a) and front view (b) which show the assembly process of the box formation piece of FIG. It is a partial expansion perspective view which shows the open state of the packaging box of this embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a packaging box 10 according to an embodiment of the present invention, and the packaging box 10 is formed by assembling a box forming piece 12 shown in FIG.

  The box forming piece 12 is formed by punching out one blank sheet such as cardboard, and the first side plate 14, the front plate 16, the second side plate 18, and the back plate 20 are sequentially connected. Further, a glued piece 22 that is glued to the inside of the first side plate 14 in an assembled state is connected to the side of the back plate 20. The first side plate 14, the front plate 16, the second side plate 18, the back plate 20, and the glued piece 22 are separated by crease lines 24, 26, 28, and 30, respectively.

  A flap 32 extends from one end of the first side plate 14, and the flap 32 is separated from the end of the first side plate 14 by a crease line 34. A flap 36 having the same shape as the flap 32 is extended at the other end of the first side plate 14, and is separated from the first side plate 14 by a crease line 38.

  On the same side as the flap 32 of the first side plate 14, the width of the base end is equal to the length of the end side of the front plate 16 (the width of the front plate 16) at one end of the front plate 16. A trapezoidal inner lid piece 40 having a narrow side width is extended and separated from the front plate 16 by a first crease line 42.

  An inner cover piece 44 having an extension length substantially equal to the length in the extending direction of the inner cover piece 40 is extended at the distal end portion of the inner cover piece 40, and is separated from the inner cover piece 40 by a second crease line 46. ing. The front end portion of the inner lid piece 44 has a width equal to or slightly narrower than the length of the first crease line 42. Further, the inner lid piece 44 is provided with a pair of V-shaped notches 49 having apexes at both ends of the second crease line 46 inward from both ends of the boundary portion with the inner lid piece 40, The length of the second crease line 46 that separates the piece 44 and the inner lid piece 40 is shorter than the first crease line 42. Accordingly, the inner lid piece 44 is reliably positioned inside the inner lid piece 40 in the assembled state.

  Further, a reseal piece 48 that is slightly shorter than the extending length of the inner lid piece 44 is extended at the tip of the inner lid piece 44, and is separated from the inner lid piece 44 by a third fold line 50. The width of the resealable piece 48 is substantially equal to the width of the front plate 16, and the tip corner is formed in an arc shape.

  An opening cutting line 52 formed with a cutting blade or the like is provided from the both ends of the first crease line 42 inwardly for a predetermined length. The front plate 16 between the front ends of the pair of opening cut lines 52 is surrounded by a portion of the first crease line 42 and a U-shaped break line 54 formed from both ends of the portion. An opening portion 56 is provided. The size of the opening part 56 is smaller than the reseal piece 48.

  A pair of incisions 58 are provided inwardly at a position slightly on the tip side of the reseal piece 48 from both ends of the third crease line 50. The third crease line 50 between the pair of cut portions 58 is provided with an intermittent cut line 60.

  An inner lid piece 62 having substantially the same shape as the inner lid piece 40 extends from the other end portion of the front board 16 and is separated from the front board 16 by a crease line 64.

  A flap 66 extends from one end of the second side plate 18 and is separated from the second side plate 18 by a crease line 68. A flap 70 having the same shape as the flap 66 is extended at the other end of the second side plate 18, and is separated from the second side plate 18 by a crease line 72.

  A substantially rectangular outer lid piece 72 extends from one end of the back plate 20 and is separated from the back plate 20 by a crease line 74. The extending direction length of the outer lid piece 72 is substantially equal to the connecting direction length of the first and second side plates 14, 18. An outer lid piece 76 having the same shape as the outer lid piece 72 is extended to the other end portion of the rear plate 20, and is separated from the rear plate 20 by a crease line 78.

  Next, a method for assembling the box forming piece 12 will be described with reference to FIGS. Here, FIG. 2 and FIG. 3A are views of the box-forming piece 12 as seen from the back side, and FIG. 3B is as seen from the front side. Hereinafter, the folding method in which the front surface side of the box-forming piece 12 is convex is referred to as normal folding, and the folding method in which the back surface side is concave is referred to as reverse folding.

  First, as shown in FIG. 2, glue 80 is applied to the back surface of the inner lid piece 44, the second crease line 46 is normally folded as shown in FIG. 2A, and the back surface of the inner lid piece 44 and the inner lid piece Glue the back side of the. Since the middle lid piece 44 is provided with a pair of notches 49, when the second folding ruled line 46 is normally folded, the middle lid piece 44 is easy to assemble without interfering with the adjacent flaps 32 and 66.

  Next, as shown in FIG. 3 (b), paste 82 is applied to the surface of the glued piece 22, the crease line 28 is normally folded, the crease line 24 is further folded, and the surface of the glued piece 22 is Glue the back of the first side plate 14.

  Next, in a factory or the like where products are stored and packaged, the crease lines 24, 26, 28, and 30 are normally folded at 90 degrees to form a rectangular cylindrical body. And one edge part used as the bottom part of a cylindrical body is closed. First, the flaps 36 and 70 are folded forward at 90 degrees along the crease lines 38 and 72, respectively, and as shown in FIG. 3B, the paste 84 is applied to the surface of the inner lid piece 62 near the crease line 64. The inner lid piece 62 is normally folded at 90 degrees along the crease line 64. Then, 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. Next, a product such as a medicine in a bottle is inserted inward from the end of the open cylindrical body.

  Thereafter, the flaps 32 and 66 are normally folded at 90 degrees along the crease lines 34 and 68, respectively, and as shown in FIG. 3B, the paste 86 is placed on the surface of the inner lid piece 40 near the first crease line 42. The inner lid piece 40 is forwardly folded at 90 degrees along the first crease line 42. At this time, the inner lid piece 44 glued to the inner lid piece 40 is also reverse-folded along the third crease line 50 at the same time. Since the cut part 58 and the cut line 60 are provided at the position of the third crease line 50, it is easily bent at 90 degrees, and the resealable piece 48 is accommodated inside the cylindrical body without difficulty. Then, the outer lid piece 72 is normally folded at 90 degrees along the crease line 74, and the surface of the inner lid piece 40 is glued to the back surface of the outer lid piece 72.

  Next, operations for opening and resealing the packaging box 10 will be described. When opening, the opening part 56 of the front plate 16 is pushed and broken with a finger, and the opening cut line 52 is broken so that the outer lid piece 72, the inner lid piece 44, and the inner lid piece 40 are picked up and pulled up. Open the end of the body and take out the product inside. At this time, as shown in FIG. 4, the inner lid piece 44 and the reseal piece 48 are connected to the inner lid piece 40 via the second crease line 50, and the opening portion 56 is also connected to the inner crease line 42 via the first crease line 42. Since it is connected to the lid piece 40, no dust is separated from the main body.

  When the product is returned to the packaging box 10 after being opened and resealed, the end of the cylindrical body is inserted by inserting the resealable piece 48 into the gap between the flaps 32 and 66 and the front plate 16 and engaging them. Close. Since the re-sealing piece 48 is formed in a circular arc shape at the tip end portion, it can be easily inserted into the gap. The opening from which the opening 56 of the front plate 16 is removed is closed by the reseal piece 48.

  The width of the resealable piece 48 is set to be wide enough to fill the width of the front plate 16, and the area where the resealable piece 48 abuts against the inner surface of the front plate 16 is large. Stopped. Moreover, since the resealable piece 48 and the flaps 32 and 66 engage with each other over a wide range, the closed state is maintained well. Further, a pair of cut portions 58 are provided from both ends of the third crease line 50, and the cut portions 58 and the edges of the flaps 32 and 66 are engaged with each other, so that the closed state can be reliably maintained. .

  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 72, and can be reliably resealed after opening, without a sense of incongruity. Moreover, since the inner lid piece 44 and the resealable piece 48 which are the structure are extended in the front-end | tip part of the inner lid piece 40, the part extended from the box formation piece 12 is small, and it is more from one blank sheet Many box-forming pieces 12 can be punched out.

  The packaging box of the present invention is not limited to the above embodiment, and the inner lid piece and the outer lid piece may be reversed and the inner lid piece etc. may be extended on the outer lid piece side. In that case, an opening part is formed in the side plate provided with the outer cover piece. That is, it is only necessary that the opening portion is formed on the side plate from which the lid piece provided with the inner lid piece and the reseal piece is extended. Furthermore, the size of the box, the material, the shape of each member, and the like can be changed as appropriate. Moreover, you may make it the structure which provides the cutting line for opening so that it may extend over the full length from one end to the other end of a 1st crease line, and does not provide an opening part in a front plate. Further, not only the top plate side but also the bottom plate side may be provided with the above-described inner lid piece and resealing piece so that both sides of the cylindrical body can be opened and resealed.

10 Packaging Box 12 Box Forming Piece 14 First Side Plate 16 Front Plate 18 Second Side Plate 20 Back Plate 32, 36, 66, 70 Flap 40, 62 Inner Cover Piece 42 First Folded Line 44 Middle Cover Piece 46 First Two-fold ruled line 48 Resealed piece 50 Third fold ruled line 52 Uncut line 54 Unbreak line 56 Unsealed part 58 Notched part 60 Cut lines 72, 76 Outer cover pieces 80, 82, 84, 86 Glue

Claims (6)

It consists of a box-shaped piece integrally punched from one blank sheet, and the box-shaped piece has a crease line in which the first side plate, the front plate, the second side plate, and the back plate are sequentially parallel to each other. And the back plate and the front plate are respectively provided with an outer cover piece or an inner cover piece at one end perpendicular to the connecting direction,
In an assembled state, one open end of a cylindrical body composed of the first side plate, the front plate, the second side plate, and the back plate is glued by overlapping the outer lid piece on the inner lid piece. In a packaging box formed to close,
The distal end portion of the inner lid piece or outer lid piece, the lid pieces in extending is extended in the extending direction and the direction of the inner cap piece or outer lid piece, the distal end portion of the inner lid piece re The seal is extended,
A cutting line for opening is formed between the inner lid piece or the outer lid piece on which the inner lid piece is extended, and the back plate or the front plate,
In the assembled state, the inner lid piece and the inner lid piece or the outer lid piece are folded and glued,
Even after the opening cut line was broken and the outer lid piece was opened, the re-sealing piece could be resealed by the outer lid piece by engaging the opening portion of the cylindrical body. A packaging box characterized by that.
  The packaging box according to claim 1, wherein the front plate or the back plate is provided with an opening portion formed by the opening cut line and the breaking line.   The packaging box according to claim 1, wherein the inner lid piece is provided with a notch inward from both ends thereof. The folding borders between the resealing piece and the leading end portion of the inner lid piece, packaging box according to claim 1, wherein the intermittent the score line is provided.   The packaging box according to claim 4, wherein a width of the resealable piece is equal to a width of the front plate or the back plate.   A pair of incisions are provided inwardly from both ends of the reseal piece, and after opening the outer lid piece, the incisions engage with the flap edges provided on the side plates. The packaging box according to claim 5, which enables re-sealing by the outer lid piece.

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