JP3935599B2 - Easy-open sealed carton - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to an easy-open sealing carton that stores contents such as powder or granular material, has sealing properties, and has easy-opening properties.
[0002]
[Prior art]
Conventionally, sealed cartons for storing contents such as powders or granular materials have many contents that dislike moisture, have good sealing properties before opening the carton, and have a function to prevent the contents from scattering. In addition, it was necessary to be able to be opened easily, to have recloseability after opening, and to be low in cost.
There are various forms. For example, as shown in FIG. 8 (a), the opening end of the body is top sealed with glassine paper having a sealing property to prevent moisture and content from scattering. And a sealed carton with a hinged cover that can be fully opened. As another practical example, as shown in FIG. 8 (b), only the outer wall panel of the double body part is removed by tearing the strip-shaped tear pieces horizontally, and immediately separated into the body part and the cover lid. A sealed carton that can be taken out of the contents can be mentioned.
[0003]
[Problems to be solved by the invention]
However, the shape of the conventional carton has a problem that the opening means is complicated and it is difficult for an elderly person or a handicapped person to open. In addition, in order to achieve both easy opening and sealing, there is a problem that the structure is complicated, the amount of packaging material used is increased, and the cost is increased.
[0004]
[Means for Solving the Problems]
In the present invention made to solve the above problems, the glue margin piece, the top surface, the front surface, the bottom surface, and the rear surface are arranged in a row through a broken line in this order, and the broken lines are formed on both sides of the front surface and the rear surface, respectively. Adhering the adhesive margin piece of the carton blank, in which the side outer surface and the side inner surface are continuously provided via the side surface, and the side flaps are provided continuously on both sides of the top surface and the bottom surface via the folding line, and the upper back surface of the rear surface The carton body formed by folding the side flaps, the side inner surfaces, and the side outer surfaces of the open ends of the cylindrical body obtained in this way, and the folded piece, the unsealing surface, the top surface, and the adhesive margin piece A sealed carton composed of lid portions arranged in a row in series through a polygonal line, wherein the folded piece of the lid portion is folded back to the back surface of the unsealed surface, and the unsealed surface is the front surface of the carton body. bonded to the upper and the top of the lid portion Said carton is adhered to the top surface of the body, is more easily openable sealed carton of the margin strips of the lid characterized by comprising adhered to the upper edge of the rear surface of the carton body.
[0005]
[Means for Solving the Problems]
In the present invention made to solve the above problems, the glue margin piece, the top surface, the front surface, the bottom surface, and the rear surface are arranged in a row through a broken line in this order, and the broken lines are formed on both sides of the front surface and the rear surface, respectively. Adhering the adhesive margin piece of the carton blank, in which the side outer surface and the side inner surface are continuously provided via the side surface, and the side flaps are provided continuously on both sides of the top surface and the bottom surface via the folding line, and the upper back surface of the rear surface The carton body formed by folding the side flaps, the side inner surfaces, and the side outer surfaces of the open ends of the cylindrical body obtained in this way, and the folded piece, the unsealing surface, the top surface, and the adhesive margin piece A sealed carton composed of lids arranged in a row in series through a broken line, wherein the folded piece of the lid is folded back to the back surface of the unsealed surface, and the unsealed surface is turned to the front surface of the carton body. Glued to the top and the top of the lid Said carton is adhered to the top surface of the body, is more easily openable sealed carton of the margin strips of the lid characterized by comprising adhered to the upper edge of the rear surface of the carton body.
[0006]
Moreover, the said carton wherein the top surface of the body across the front opening provided by cut lines and the opening is provided by tear line across said top surface and said opening surface of said lid portion, the lid When opening the opening parts is characterized in that opening of the carton body is opened at the same time, the tear lines of the top surface of the carton body, has become the cutting line of the double I shape, the The cut line on the top surface of the lid part is formed of a Y-shaped cut line including a straight line part and two oblique line parts extending linearly from one end of the straight line part. .
[0007]
Further, the cut lines of the opening of the lid, the lid portion when adhered to the carton body, characterized in that positioned outside the cut lines of the opening of the carton body, the lid the top parts and the adhesion of the top Metropolitan of the carton body, inside the two of the tear lines in the top of the opening of the carton body, and the top of the opening in the lid The cutting line is formed at a portion outside both the cut lines on the surface, and the opening surface of the lid and the front surface of the carton body are bonded to each other at the cut line on the front plate of the opening of the carton body. more inside and outside parts from the cut line in the tear face of the opening of the lid, deeds, the said tear-off line and the lid portion of the front surface of the carton body The region between the tear lines of the sealing surface, characterized in that the temporarily attached state capable of interfacial peeling.
[0008]
Furthermore, a knob is provided at the tip of the opening of the opening surface of the lid , a recess is provided at a position where the knob on the front surface of the carton body overlaps, and the knob when resealing is It is easy to insert between the front surface and the folded piece.
[0009]
According to the present invention, an easy-opening seal that can be easily opened by a simple operation, has a good sealing property against contents, can be easily resealed, and can be formed by using a minimum amount of paperboard. You can get a carton.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to the drawings.
As shown in FIG. 1, an easy-open sealing carton 1 according to the present invention is composed of a carton body 2 and a lid 3.
[0011]
FIG. 2 is a blank development view of the lid portion 3 of the easy-open sealing carton 1 according to the present invention. As shown in FIG. 2, the cover blank 10 has a folded piece 11, an opening surface 12, a top surface 13, and an adhesive margin piece 14 arranged in a row in this order via folding lines a, b, and c.
[0012]
Further, the opening X is provided by the cut lines A to B to A ′ across the top surface 13 and the opening surface 12.
[0013]
Cut lines A and A ′ on the top surface 13 are provided substantially in the vicinity of both ends of the top surface 13 so that the opening X is widened and the contents can be easily taken out. The shape of the cut lines A and A ′ is a Y-shaped cut line including a straight line portion and two oblique line portions linearly extending from one end portion of the straight line portion. By using this Y-shaped cut line, the cut is surely and easily performed.
[0014]
The tear line B on the opening surface 12 is provided in a substantially trapezoidal shape or a substantially arc shape, and the tip portion is in contact with the fold line a between the opening surface 12 and the folded piece 11 to form a knob C as shown in the figure. The shape of the cut line B is a general L-shaped cut line. The periphery of the pick piece C is cut to facilitate picking.
[0015]
FIG. 3 is a blank development view of the carton body 2 of the easy-open sealing carton 1 according to the present invention. As shown in FIG. 3, the blank 20 of the carton body 2 has a glue margin piece 21, a top surface 22, a front surface 23, a bottom surface 24, and a rear surface 25 arranged in this order in a line through broken lines d, e, f, and g. Side outer surfaces 27, 27 'and side inner surfaces 29, 29' are connected to both sides of the front surface 23 and the rear surface 25 via polygonal lines i, i ', k, k'. Side flaps 26, 26 ′, 28, 28 ′ are continuously provided on both sides via broken lines h, h ′, j, j ′.
[0016]
Moreover, the opening part Y is provided by the cut lines D-E-D 'ranging over the top | upper surface 22 and the front surface 23. FIG. It is preferable that the opening Y provided in the carton body 2 is not set to be the same size as the opening X of the lid 3 when the lid 3 is bonded to the carton body 2 and is set to be slightly smaller as a whole. The width of the difference in size is in the range of 1 to 10 mm. By shifting the cut lines A to B ′ of the opening X provided in the lid 3 and the cut lines D to E to D ′ of the opening Y of the carton body 2, the powder that is the contents changes the cut lines. Will prevent leaking through.
[0017]
On the top surface 22, the cut lines D and D ′ are provided substantially parallel to the top surface 22 and in the vicinity of the broken lines h and h ′ of the side flaps 26 and 26 ′. The shapes of the cut lines D and D ′ are two adjacent I-shaped cut lines. By making this double I-shaped cut line, cutting becomes easy.
[0018]
On the front surface 23, a cut line E is provided at the upper end portion of the front surface 23 in a substantially trapezoidal shape or a substantially arc shape. The shape of the cut line E may be a double I-shaped cut line or a general I-shaped cut line.
Then, on the entire circumference of the cut lines D to E to D ′, a peeling layer is provided using a peelable ink in a process of printing a pattern, a display or the like on the blank 20 of the carton body 2. deep. Specifically, as will be described later, when the lid 3 is overlapped and bonded to the carton body 2, a release layer is provided in the region G of the shift between the opening Y of the carton body 2 and the opening X of the lid 3. . However, it is preferable to provide a release layer in a portion (dot portion in FIG. 6) widened by 1 to 2 mm in consideration of errors. By providing this release layer, when the lid 3 is overlapped on the carton body 2 and an adhesive is applied to the entire surface and bonded, the part where the release layer is provided is in a temporarily attached state in which interface peeling is easy. Yes. As the releasable ink used here, an ink type is selected according to a printing method such as offset printing or gravure printing, and the main material is not particularly limited. Mainly use inks with silicone added to each ink.
[0019]
Furthermore, when the lid 3 is overlapped and bonded to the carton body 2 just below the opening Y of the front surface 23, a recess F for facilitating insertion of the tab C of the opening X of the lid 3 at the time of resealing is provided. Provided. The recess F is formed by embossing in the punching process for creating the blank 20.
[0020]
FIG. 4 is a diagram illustrating a process of forming the easy-open sealing carton 1 of the present invention. First, the carton body 2 is assembled from the blank 20. Adhesive strip 21 is adhered to the back surface of the upper edge of rear surface 25 using an adhesive, and is assembled into a rectangular tube shape and folded into a sleeve shape as shown in FIG.
[0021]
Next, the folded sleeve-like carton is supplied to a normal seal-end carton packaging and filling machine, and the folded sleeve-like carton is raised into a square pillar shape as shown in FIG. After the one side flaps 26 and 28, the side outer surface 27, and the side inner surface 29 are folded and bonded and filled with the contents, the other side flaps 26 'and 28', the side outer surface 27 'and the side inner surface 29 are filled. As shown in FIG. 4C, the carton body 2 of the easy-open sealing carton 1 of the present invention is formed.
[0022]
Subsequently, the lid 3 is bonded to the formed carton body 2. First, the folded piece 11 is folded to the back side and bonded to the back surface of the opening surface 12 as shown in FIG. At this time, it is important not to adhere to the opening X (the knob C) of the opening surface 12. When this portion is bonded, opening of the opening Y from the knob C is impossible. Adhesives used include emulsion type adhesives such as vinyl acetate resin, vinyl chloride-vinyl acetate copolymer, ethylene-vinyl acetate copolymer, acrylic resin, ethylene-vinyl acetate copolymer, nylon resin A hot-melt adhesive such as an acrylic resin can be used.
[0023]
Further, the lid 3 with the folded piece 11 folded back is bonded to the carton body 2, but an adhesive is applied to the entire back side of the lid 3 and bonded to the carton body 2. In this way, the easy-open sealed carton 1 of the present invention is formed. In this case, the opening surface 12 of the lid 3 is placed on the top of the front surface 23 of the carton body 2, the top surface 13 of the lid 3 is placed on the top surface 22 of the carton body 2, and the glue margin piece 14 of the lid 3 is placed on the carton body 2. Adhere to the upper edge of the rear surface 25.
[0024]
At this time, the concave portion F provided on the front surface 23 and the folded piece 11 of the lid portion 3 are not bonded to each other, and the concave portion F provided on the front surface 23 of the carton body 2 and the folded piece of the lid portion 3 are not bonded. A space part is formed between In this space portion, when the easy-open sealing carton 1 of the present invention is opened and resealed, the tab C of the opening X can be inserted.
[0025]
FIG. 5 is a view for explaining opening and resealing of the easy-open sealing carton 1 according to the present invention.
In order to open the easy-open sealing carton 1 according to the present invention, the tab C of the opening X of the lid 3 as shown in FIG. When the knob piece C is lifted, the opening X of the lid 3 is opened and at the same time the opening Y of the carton body 2 is opened. If the knob C is lifted up to the upper end of the unsealed surface and further lifted by the knob C, as shown in FIG. 5-b, along the cut lines A, A ', D, D' on both sides of the top surface. Thus, the opening X of the lid 3 and the opening Y of the carton body 2 open simultaneously. The broken lines c and d function as hinges for opening and closing the openings X and Y.
[0026]
Next, opening of the openings X and Y will be described in detail.
FIG. 6 is a schematic view showing a state in which the carton body 2 and the lid 3 are overlapped. The opening X of the lid 3 is slightly wider than the opening Y of the carton body 2, and as shown in the figure, the cut lines D to E to D ′ of the opening Y of the carton body 2 are the openings X of the lid 3. It is provided inside the cut lines A to B ′. The opening Y of the carton body 2 is entirely bonded to the opening X of the lid 3, but the cut lines D to E ′ of the opening Y of the carton body 2 and the opening X of the lid 3 are cut off. Since the region G (dot portion) between the lines A to B to A ′ is in a temporarily attached state capable of interfacial peeling, when the knob C of the opening X of the lid 3 is lifted, the lid The opening X of the unsealing surface 3 is cut and opened from the cut line B. At the same time, the cut lines D to E ′ to D ′ of the opening Y of the carton body 2 and the cut lines A to B to the opening X of the lid 3 The region G between A ′ is peeled off at the interface, and the opening Y on the front surface of the carton body 2 is also cut off from the cut line E and opened. If the knob C of the opening X of the lid 3 is further lifted, the opening X of the lid 3 is opened along the cut lines A and A ′ on both sides of the top surface of the lid 2. The opening Y is also opened along the cut lines D and D ′ on both sides of the top surface of the carton body 2. When the opening piece X of the opening portion X is lifted and the opening portion X of the opening surface of the lid portion 3 and the opening portion Y of the front surface of the carton body 2 are opened at the time of initial opening, a force is easily applied to the opening. When the opening X on the top surface of the lid 2 and the opening Y on the top surface of the carton body 2 are opened, it is difficult for force to enter. Therefore, the cut lines A and A ′ on both sides of the top surface of the lid 3 are Y-shaped cut lines, and the cut lines D and D ′ on both sides of the top surface of the carton body 2 are double I-shaped cut lines. The shape is easy to cut.
[0027]
The opening Y provided in the carton main body 2 is not the same size as the opening X of the lid 3 when the lid 3 is bonded to the carton main body 2, and is set slightly smaller as a whole. By shifting the cut lines A to B ′ of the opening X provided in 3 and the cut lines E to F ′ of the opening Y of the carton body 2, the content powder passes through the cut lines. It will prevent leakage. In addition, since the region G having a difference in size is in a temporarily attached state in which interfacial separation is possible, the opening Y of the carton body 2 can be easily opened at the same time as the opening X of the lid 3 is opened. Opened.
[0028]
Subsequently, in order to reseal the easy-open sealing carton 1 according to the present invention shown in FIG. 5-c, as shown in the schematic cross-sectional view of FIG. 6, the knob C provided in the opening X is used as an insertion piece. If it is made to function and it inserts in the space part between the recessed part F provided in the front surface 23 of the carton main body 2, and the folding | turning piece 11 of the cover part 3, the opening parts X and Y can be latched in the original position.
[0029]
【Example】
In order to apply the easy-open sealed carton 1 according to the present invention to a household powder detergent, using a blank as shown in FIG. 1, the size of the container is 151 mm in height, 150 mm in width, 80 mm in depth, and the content is 1200 g. An easy-open sealed carton with a rectangular parallelepiped was made. The height of the unsealed surface was 41 mm.
As the paperboard used as the material, a basis weight of 505 g / m ² of Neo Sand (trade name, manufactured by Honshu Paper Co., Ltd.), which is a moisture-proof paperboard, was used.
As a result of confirming the opening and resealing of the easy-open sealed carton 1 according to the present invention that was prototyped according to the above specifications, all 10 panelists, including the elderly, can easily operate with a weak force to lift the picking piece upward. It was confirmed that it can be opened and can be easily resealed. In addition, the powder detergent did not remain on the lid when opened, and did not scatter.
[0030]
【The invention's effect】
According to the present invention, it can be easily opened by a simple operation, has a good sealing property against the contents, can be easily resealed, and can be formed by using a paperboard with a minimum basis weight. .
Also, since the powder inside does not wrap around the body part, it is possible to prevent the powder from scattering at the time of opening, and the cutting line of the opening of the carton body and the cutting line of the opening of the lid are shifted. Thus, the sealing performance of the sealed end carton is maintained.
Furthermore, since 100% is made of paper, it is possible to obtain an easy-open sealed carton characterized by easy disposal after use and good recyclability.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of an easy-open sealing carton according to the present invention.
FIG. 2 is a development view showing a cover blank of an embodiment of an easy-open sealing carton according to the present invention.
FIG. 3 is a development view showing a blank of a carton body of one embodiment of an easy-open sealing carton according to the present invention.
FIG. 4 is a perspective view for explaining an assembling process of an embodiment of the easy-open sealing carton according to the present invention.
FIG. 5 is a perspective view illustrating opening and resealing of one embodiment of an easy-open sealing carton according to the present invention.
FIG. 6 is a schematic view showing a state in which an opening of a carton body and an opening of a lid are overlapped in one embodiment of an easy-open sealing carton according to the present invention.
FIG. 7 is a schematic cross-sectional view showing reseal of one embodiment of an easy-open sealing carton according to the present invention.
FIG. 8 is a perspective view showing a conventional easy-open sealing carton.
[Explanation of symbols]
1 easy-open sealing carton 2 carton body 3 lid part A tear line (top of lid part)
A 'tear line (top of lid)
B Cut line (opening surface of the lid)
C Picking piece D Cut line (top of carton body)
D 'tear line (top of carton body)
E Cut line (front of carton body)
F Recess G Region 10 between the cut lines D to E 'of the opening Y of the carton body 2 and the cut lines A to B' of the opening X of the lid 3 Blank (lid)
11 Folding piece 12 Opening surface 13 Top surface 14 Paste piece 20 Blank (Carton body)
21 Paste piece 22 Top surface 23 Front surface 24 Bottom surface 25 Rear surface 26 Side flap 26 'side flap 27 Side outer surface 27' side outer surface 28 Sub flap 28 'Sub flap 29 Side inner surface 29' side inner surface a to c Ruled line (lid)
d to k Ruled Line (Carton body)

Claims (4)

The adhesive margin piece, the top surface, the front surface, the bottom surface, and the rear surface are arranged in a row through a broken line in this order, and the side outer surface and the side inner surface are arranged on both sides of the front surface and the rear surface through a broken line, Both open ends of the tubular body obtained by bonding the paste margin piece of the carton blank in which side flaps are continuously provided on both sides of the top surface and the bottom surface via a broken line and the upper back surface of the rear surface, respectively. A carton body formed by folding the side flap, the side inner surface, and the side outer surface, and a lid portion in which a folded piece, an opening surface, a top surface, and an adhesive piece are continuously arranged in a line through a folding line in this order The folded piece of the lid portion is folded back to the back surface of the opening surface, the opening surface is bonded to the upper front portion of the carton body, and the top surface of the lid portion is attached to the top surface of the carton body. adhered to the surface, the more the margin strips of the lid portion Adhering it to the upper edge of the rear face of the serial carton body,
An opening is provided by a cut line across the top surface and the front surface of the carton body, and an opening is provided by a cut line across the top surface and the opening surface of the lid. A sealed carton in which the opening of the carton body is opened simultaneously with opening the opening,
The tear line of the opening of the lid is located outside the tear line of the opening of the carton body when the lid is bonded to the carton body, and the top surface of the lid Bonding the carton body with the top surface, both inside the two cut lines on the top surface of the opening of the carton body and on the top surface of the opening of the lid And the bonding between the opening surface of the lid and the front surface of the carton body is performed on the inner side of the cut line in the front plate of the opening of the carton body, and the lid. At the opening portion of the opening portion of the opening portion outside the cut line, the cut line on the front surface of the carton body and the cut line on the opening surface of the lid portion. Easily openable sealed carton, characterized in that the area between, was temporarily attached state capable of interfacial peeling.   The easy-open sealed carton according to claim 1, wherein the tear line on the top surface of the carton body is a double I-shaped tear line. The cut line on the top surface of the lid part is composed of a Y-shaped cut line composed of a straight line part and two oblique line parts extending linearly from one end of the straight line part. The easy-open sealed carton according to claim 1. A pinch piece is provided at a tip of the opening portion of the opening surface of the lid portion , a recess is provided at a position where the pinch piece of the front surface of the carton body overlaps, and the pinch piece and the front surface when resealed. The easy-open sealing carton according to claim 1, wherein the easy-to-insert carton is provided between the folded piece and the folded piece.

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