JP2000142677A - Carton - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform a sacking process, a process for filling contents from the side of a carton, a bending process, and a bonding process even by means of an ordinary cartoning machine by performing bonding an upper cover plate to a front plate by means of a sacking process to provide the virginity in a box making step. SOLUTION: The carton is formed from a prism-shaped body part wherein a rear plate 1, lower plate 2, upper plate 3, and front plate 4 are connected together, side parts comprising side flaps 1a, 2a, 3a, and 4a, which are connected to the side of each of the plates 1, 2, 3, and 4 to close the sides of the prism- shaped body part, and an upper cover plate 5 bonded to an open pattern region 6 which is connected to the plate 3 and formed on the plate 4 by an open pattern-shaped separation part (i). Side flaps 4a, 4a of the plate 4 are superposed and bonded respectively onto a side flap surface 3a, which is exposed from a notched portion 1b formed on the flap 1a, and the side flap 3a can be separated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carton having a virgin property and capable of being filled and sealed with a usual cartoning machine.

[0002]

2. Description of the Related Art A carton (paper box) has a seal end structure, has virginity, and has a structure in which the top and sides of the carton are entirely open. It is widely used as a carton for easy removal of contents in packaging of foods and foods.

In a carton of this type, usually, a carton body (a front plate, a back plate, and upper and lower plates) is pasted and formed into a tubular body, and then the contents are put on a carton upper plate (upper portion) or It was filled from the lower plate (bottom) and the like, and the upper plate was attached to the front plate using a special machine and sealed.

[0004]

However, in the case of carton box making, or filling and sealing packaging, which has a virgin property while having a seal end structure and the upper part of the carton is opened to easily take out the contents, In a normal cartoning machine, after filling the contents from the side (side) of the carton after forming a tubular body by attaching a sack, bending and closing the side flaps (left and right flap plates), and attaching and sealing them However, it was not possible to achieve a smooth operation, a special machine was required, and the manufacturing efficiency was not sufficient.

According to the present invention, in the box making process, the upper cover plate and the front plate are bonded by sack bonding to have virginity. It is to facilitate filling of contents from the side and bending, sticking and sealing of side flaps.

[0006]

According to a first aspect of the present invention, there is provided a rectangular tubular body formed by connecting a back plate 1, a lower plate 2, an upper plate 3, and a front plate 4 to each other; A side portion for closing the rectangular tubular body formed by side flaps 1a, 2a, 3a, 4a respectively connected to the side of the back plate 1, the lower plate 2, the upper plate 3, and the front plate 4; An upper lid plate 5 connected to the upper plate 3 and superimposed on the surface of the front plate 4 and adhered to the front plate 4 on the surface of the opening pattern area 6 formed by the opening pattern cutouts i. And the side flaps 4a, 4a of the front plate 4 are overlapped and adhered to the side flap 1a surface of the back plate 1 and the side flap 3a surface exposed from the notch 1b formed in the flap 1a. A carton characterized by having

According to a second aspect of the present invention, there is provided the carton according to the first aspect, wherein the upper plate 3 and the side flaps 3a are separable from each other through a continuous fold. It is.

According to a third aspect of the present invention, in the carton according to the first aspect, the upper plate 3 and the side flap 3a, and the back plate 1 and the upper plate 3 are respectively connected to each other. Cartons that can be separated from each other via folds.

According to a fourth aspect of the present invention, in the carton according to the first aspect, the upper plate 3 and the side flap 3a, and the back plate 1 and the side flap 1a are respectively connected to each other. Cartons that can be separated from each other via folds.

According to a fifth aspect of the present invention, in the carton according to the first aspect, the upper plate 3 and the side flap 3a, and the back plate 1, the side flap 1a, and the back plate 1 are connected to each other. The lower plate 2 is a carton which can be separated from each other via its continuous fold.

According to a sixth aspect of the present invention, in the carton according to the first aspect, the upper plate 3 and the side flap 3a, the back plate 1 and the upper plate 3, and the back plate 1 are provided. And side flap 1a, and back plate 1 and lower plate 2
Are cartons that can be separated from each other through their continuous folds.

According to a seventh aspect of the present invention, in the carton according to the first to sixth aspects,
A carton in which an opening pattern region 6 formed on the surface of the front plate 4 by a cut-out portion i in the form of an opening pattern is formed at least in an inner region including an edge facing the fold of the front plate 4 It is.

According to an eighth aspect of the present invention, in the carton according to the first to sixth aspects,
An opening pattern region 6 formed on the surface of the front plate 4 by a cut-out portion i in the form of an opening pattern is a carton formed at least in an inner region not including an edge facing the fold of the front plate 4. is there.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The carton of the present invention will be described below in detail according to an embodiment. FIG. 1 is a blank sheet for producing a carton of the present invention, and FIG.
FIG. 3 is a perspective view showing the completed box, and FIG. 3 is a perspective view showing the box opened.

The blank sheet used to make the carton of the present invention is, for example, as shown in FIG.
The lower plate 2 and the upper plate 3 are connected to each other via a pair of folds a and b.

Side flaps 1a, 1a having cutouts 1b near the upper plate 3 are respectively provided on the other pair of opposite sides of the back plate 1 via folds e, e. .

A front plate 4 is connected to the lower plate 2 via a fold c, and an upper cover plate 5 is connected to the upper plate 3 via a fold d.

Side flaps 2a, 2a, 3a, 3a are connected to a pair of opposite sides (left and right sides) of the upper and lower plates 3, 2 via folds f, f, g, g, respectively. I have.

Side flaps 4a, 4a are connected to a pair of opposite sides of the front plate 4 via folds h, h.

The blank sheet used to make the carton of the present invention has the following features.

That is, the first feature is as shown in FIG.
Each of the side flaps 1a, 1a is provided with a notch 1b near the upper plate 3 side. The notch 1b is used to make the side flap 3
a, 3a to prevent the side flaps 1a, 1a from completely overlapping the side flaps 3a, 3a.
a is exposed from the notch 1b, and the side flaps 4a and 4a of the front plate 4 described later are
When sticking to the 1a surface and sealing, the side flaps 4a,
4a are simultaneously attached and fixed to the side flaps 3a and 3a surfaces exposed from the cutouts 1b. Thereby, the side flaps 3 of the upper plate 3
a, 3a are adhered and fixed to the inner surfaces of the side flaps 4a, 4a to form a carton.

The second feature is that the surface of the front plate 4 is provided with the surface of an opening pattern region 6 which is half-cut in an opening pattern.

The surface of the opening pattern area 6 is formed by a half-cut line (a half-cut line partially cut in the thickness direction of the carton paper, a cut line having a connection at several points along the cut line, a perforated cut line). Etc.)
For example, as shown in FIG. 1, the portion is formed in the inner region including at least the edge of the front plate 4 facing the fold c.

As another example, the surface of the opening pattern region 6 is formed, for example, at least in an inner region not including the edge of the front plate 4 facing the fold c.

When the carton of the present invention is prepared using the above-mentioned blank sheet, it is performed in the following order.

First, the parallel folds b and c of the carton blank sheet shown in FIG. 1 are bent in the same direction, and the upper cover plate 5 is overlaid on the front plate 4.

Then, the upper cover plate 5 is formed on the surface of the front plate 4 by an opening pattern region
A flat tubular carton is formed by sticking to the surface, and it is folded three-dimensionally into a rectangular tubular shape.

Next, for example, after a stick-like content is loaded from the side of the rectangular cylindrical carton, the side flaps 2a and 3a are bent inward through the folds f and g. The side flaps 1a and 1a are folded inward on the surfaces 2a and 3a via the folds e and are overlapped.

Subsequently, the side flaps 4a, 4a are bent inward through the folds h, and the side flaps 3a exposed from the side flaps 1a, 1a and the cutout portions 1b of the side flaps 1a, 1a. 2 and 3a, and the inner surface of the overlap is adhered to form a carton of the present invention as shown in FIG.

The carton of the present invention produced in this manner has a top cover plate adhered to the opening pattern region 6 which is half-cut in an opening pattern on the front plate 4 surface shown in FIG. 5 while pulling it upward, from the cut-off portion i
By separating the opening pattern region 6 attached to the back surface from the front plate 4, the upper cover plate 5 can be opened and opened via the fold d, and the front plate 4 has the opening pattern region 6. A state in which an opening is formed by separation, and a box-like shape in which side flaps 3a, 3a of the upper plate 3 connected to the upper lid plate 5 are firmly attached to the side flaps 4a, 4a of the front plate 4 is held. Then, the contents can be taken out from the opening formed by cutting off the opening pattern region 6.

In addition to the above-described structure, the carton of the present invention is, for example, a blank sheet shown in FIG. 1 wherein the folds g, g are provided as detachable cut-off portions. It can be made using a sheet.

As shown in FIG. 3, the carton of the present invention produced by using such a blank sheet is pasted on an opening pattern area 6 which is half-cut in an opening pattern on the front plate 4. While pulling the upper lid plate 5 attached upward, the opening pattern region 6 attached to the back surface of the upper lid plate 5 is separated from the front plate 4 from the cut-off portion i, so that the fold d
The upper cover plate 5 can be opened and opened via the opening. Further, since the fold g is a detachable portion, the upper plate 3 can be folded continuously from the upper cover plate 5. b, the side flaps 3a, 3a are opened with the box-like shape firmly adhered to the side flaps 4a, 4a of the front plate 4, and a larger take-out opening is formed. You.

In the carton of the present invention, FIG.
As shown in the figure, an insertion portion j formed by a cut line into which the tip 5a of the upper lid plate 5 can be inserted after opening is provided at a portion corresponding to the insertion of the front plate 4, and when reopening after opening, By inserting the tip 5a of the cover plate 5 into the insertion portion j, the upper cover plate 5 can be resealed and fixed in a state of being superimposed on the front plate 4 surface.

In addition, the carton of the present invention may be such that, in the blank sheet shown in FIG. 1, for example, the fold b and the folds g, g are provided as detachable cut-off portions. Thereby, after the carton is opened as shown in FIG. 3, the upper lid plate 5 and the upper plate 3 can be further separated from the carton main body as necessary by using the fold b as a cutout portion.

Further, the carton of the present invention may be such that in the blank sheet shown in FIG. 1, the folds g, g, e, and e are provided as cut-off portions. Thereby, after the carton is opened as shown in FIG. 3, the back plate 1 can be further opened together with the upper cover plate 5 and the upper plate 3 through the fold a as required. The flaps 3a, 3a are opened in a state of holding a box shape firmly attached to the side flaps 4a, 4a of the front plate 4.

Further, the carton of the present invention is characterized in that in the blank sheet shown in FIG.
g, e, and e may be provided as a detachable separation portion. As a result, after the carton is opened as shown in FIG. 3, the back plate 1 can be further separated from the carton main body together with the upper cover plate 5 and the upper plate 3 by using the fold a as a cut-off portion. In this case, the side flaps 3a, 3a are opened in a state of holding a box shape firmly attached to the side flaps 4a, 4a of the front plate 4.

The carton of the present invention is a blank sheet shown in FIG. 1 wherein the folds a and b and the folds g, g, e and e are provided as cut-off portions. May be. As a result, after the carton is opened as shown in FIG. 3, the upper cover plate 5 and the upper plate 3 are further separated by the crease b, or the back plate 1 together with the upper cover plate 5 and the upper plate 3 is separated. The fold a can be used as a separation part and can be separated from the carton body as needed. In this case, the side flaps 3a, 3a are opened in a state of holding a box shape firmly attached to the side flaps 4a, 4a of the front plate 4.

FIG. 4 shows a blank sheet according to another embodiment of the carton of the present invention. The side flap 1a of the back plate 1 in the blank sheet shown in FIG.
In FIG. 1a, notches 1b, 1b are provided at both ends of the side flap 2a side and the side flap 3a side, respectively.
b.

In the same manner as the blank sheet of FIG. 1, the folds b and c of the blank sheet shown in FIG. 4 are folded in the same direction, and the upper lid plate 5 is superimposed on the front plate 4 surface. After sticking to the opening pattern region 6 surface formed by the opening pattern-shaped separation portion i on the front plate 4 surface to form a cylindrical carton, the side flaps 2a, 3a is bent inward, and the side flaps 1a,
When the side flaps 4a and 4a are bent inward through the folds h and folded and adhered to the side flaps 1a and 1a, the side flaps are folded. 4a, 4a are side flaps 1
a, 1a, and the side flaps 2a, 2a exposed from the notches 1b, 1b formed at both ends of the side flaps 1a, 1a and the side flaps 3a, 3a are superimposed on each other. The inner surface can be stuck.

FIG. 5 is a perspective view of the carton of the present invention prepared by using the blank sheet shown in FIG. 4, and the carton is opened similarly to the carton shown in FIG. The upper lid plate 5 adhered to the surface of the opening pattern region 6 which is formed by half-cutting the opening pattern is pulled upward from the cut-off portion i.
By separating the opening pattern region 6 attached to the back surface from the front plate 4, the upper cover plate 5 can be opened and opened via the fold d, and the front plate 4 has the opening pattern region 6. An opening is formed by the separation, and the side flaps 3a, 3a of the upper plate 3 connected to the upper lid plate 5 are opened with the side flaps 4a, 4a of the front plate 4 firmly adhered thereto. The contents can be taken out from the opening by separating the pattern area 6.

In the blank sheet shown in FIG. 4 and the carton shown in FIG. 5, the resealing mechanism after opening may be the same as the blank sheet shown in FIG. For example, as shown in FIG.
In the vicinity of the tip 5a of the front plate, an insertion portion 5b formed by a cut line k that is convex toward the upper plate 3 is provided, and folds m, m extending from both ends of the cut line k are provided. 4 has the insertion portion 5b
May be provided with a cutting line j at a corresponding position where the can be inserted.

In the carton of the present invention shown in FIGS. 4 and 5, for example, in the blank sheet shown in FIG. 4, each of the folds g, g is provided as a detachable separation portion. It can be made using a sheet.

The carton of the present invention produced by using such a blank sheet is similar to the carton shown in FIG. 3 described above. While pulling the upper lid plate 5 adhered to the six surfaces upward, the opening pattern region 6 adhered to the back surface of the upper lid plate 5 is separated from the front plate 4 from the cut-off portion i, so that the fold d The upper cover plate 5 can be opened and opened via the opening. Further, since the fold g is a detachable portion, the upper plate 3 is connected to the fold b
, In which case the side flaps 3a, 3a of the upper plate 3 are connected to the side flaps 4a, 4
a, and is opened in a state where the shape of the box is held, so that a larger take-out opening is formed.

In the carton of the present invention shown in FIGS. 4 and 5, for example, in the blank sheet shown in FIG. 4, the fold b and each of the folds g, g can be cut off as cut-off portions. It may be provided. Thereby, after the carton is opened as shown in FIG. 3 described above, the upper lid plate 5 and the upper plate 3 can be further separated from the carton main body as necessary by using the fold b as a separation portion. In that case, the side flap 3a of the upper plate 3,
3a is firmly adhered to the side flaps 4a and 4a of the front plate 4 and is opened in a state where the box shape is maintained.

In the carton of the present invention shown in FIGS. 4 and 5, the blank sheet shown in FIG.
Each of the folds g, g, e, and e may be provided as a detachable separation portion. Thereby, after opening the carton as shown in FIG. 3 described above, the back plate 1 can be further opened together with the upper lid plate 5 and the upper plate 3 through the fold a as required, and the In case, lower plate 2
The side flaps 2a, 2a and the side flaps 3a, 3a of the upper plate 3 are firmly adhered to the side flaps 4a, 4a of the front plate 4 and are opened in a state of holding a box shape.

In the carton of the present invention shown in FIGS. 4 and 5, the blank sheet shown in FIG.
The fold a and each of the folds g, g, e, and e may be provided as separable cut-off portions. Thereby, after the carton is opened as shown in FIG. 3 described above, the back plate 1 is further cut off from the carton main body together with the upper cover plate 5 and the upper plate 3 by using the fold a as a separation portion. be able to.

In the carton of the present invention shown in FIGS. 4 and 5, the blank sheet shown in FIG.
The folds a and b and the folds g, g, e, and e may be provided as detachable separation portions. As a result, after the carton is opened as shown in FIG. 3 described above, the upper cover plate 5 and the upper plate 3 are further separated by using the crease b as a separation portion, or together with the upper cover plate 5 and the upper plate 3 together. The plate 1 can be separated from the carton body as necessary by using the fold a as a separation portion, in which case,
Side flaps 2a, 2a of the lower plate 2 and side flaps 3a, 3a of the upper plate 3 are side flaps 4a of the front plate 4,
4a is firmly adhered and opened in a state where the box shape is maintained.

[0048]

The carton of the present invention has a notch in each of the back flaps near the upper side of the side flaps, or near the upper side and the lower side, so that the front flaps can be easily formed when the box is made. The side flaps of the plate were firmly attached and fixed to the side flap surfaces of the upper plate exposed from the cutouts, whereby the upper lid plate adhered to the front plate surface of the carton was cut off at the opening pattern area and opened. At this time, it can be opened while the box shape of the rectangular carton is firmly held.

Also, when the carton is cut off at the opening pattern area by opening the upper cover plate and then cut off at the cut-off portion formed at the fold, the box shape of the square carton is firmly held. It can be opened in a sealed state, has a virgin property while having a seal end structure, and moreover, the upper part of the carton and the like are opened so that the contents can be easily taken out.

Further, in the carton of the present invention, in the box making process, the upper cover plate and the front plate can be bonded to each other by sack bonding in order to have virginity. From the pasting process, the contents can be easily filled from the carton side and the side flaps can be easily bent, pasted, and sealed.The carton can be manufactured, filled, sealed and packaged by a normal cartoning machine. Filling the contents from the side (side) of the carton after sticking it into a tubular body,
The operation of bending and closing the side flaps (left and right flap plates) and adhering and sealing the side flaps can be performed smoothly, and the production efficiency can be sufficiently exhibited without using a dedicated machine.

[Brief description of the drawings]

FIG. 1 is a developed plan view of a blank sheet according to an embodiment of a carton of the present invention.

FIG. 2 is an assembled perspective view of the carton according to the embodiment of the present invention.

FIG. 3 is a perspective view illustrating an opened state of the carton according to the embodiment of the present invention.

FIG. 4 is a developed plan view of a blank sheet according to another embodiment of the carton of the present invention.

FIG. 5 is an assembled perspective view of another embodiment of the carton of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Back board 1a ... Side flap of back board 2 ... Lower board 2a ... Side flap of lower board 3 ... Upper board 3a ... Side flap of upper board 4 ... Front board 4a ... Side flap of front board 5 ... Top cover board 6 … Aperture pattern area

Claims (8)

[Claims] 1. A rectangular tubular body formed by connecting a back plate 1, a lower plate 2, an upper plate 3, and a front plate 4 to each other, and the back plate 1, the lower plate 2, the upper plate 3, and the front plate 4, respectively. A side portion that is formed by side flaps 1a, 2a, 3a, and 4a that are respectively provided on the sides of the plate 4 to block the rectangular tubular body; An upper cover plate 5 attached to the front plate 4 and adhered to a surface of an opening pattern region 6 formed by an opening pattern-shaped cutout portion i on the front plate 4, and side flaps 4a, 4a of the front plate 4 A carton, which is overlapped and adhered to a side flap 1a surface of the back plate 1 and a side flap 3a surface exposed from a notch 1b formed in the flap 1a. 2. The carton according to claim 1, wherein the upper plate and the side flaps 3a are separable from each other through a continuous fold. 3. The carton according to claim 1, wherein the upper plate 3 and the side flaps 3a, and the back plate 1 and the upper plate 3 are separable from each other through their continuous folds. 4. The carton according to claim 1, wherein the upper plate 3 and the side flaps 3a, and the back plate 1 and the side flaps 1a are separable from each other through their continuous folds. 5. The upper plate 3 and side flaps 3a, the back plate 1 and side flaps 1a, and the back plate 1 and lower plate 2.
2. The carton according to claim 1, wherein each of the cartons can be separated from each other via its continuous fold. 6. The upper plate 3 and the side flaps 3a, the back plate 1 and the upper plate 3, and the back plate 1 and the side flaps 1.
2. The carton according to claim 1, wherein a, and the back plate 1 and the lower plate 2 can be separated from each other via their continuous folds. 7. A cutout i in the form of an opening pattern on the surface of the front plate 4.
The opening pattern region 6 formed by
The carton according to any one of claims 1 to 6, wherein the carton is formed in an inner region including an edge facing the fold of the front plate (4). 8. A cutout i in the form of an opening pattern on the surface of the front plate 4.
The opening pattern region 6 formed by
7. The carton according to claim 1, wherein the carton is formed in an inner region not including an edge facing the fold of the front plate.