JPH0834430A - Easy-to-open box - Google Patents

Abstract

PURPOSE:To improve take-out operation at a low cost without sacrificing the strength of a wrap-round box by enabling box sides to be opened widely for taking out the contents. CONSTITUTION:A front side board is provided with a tab 15, at about the center, formed by perforating the board, and No.1 cutoff line 17 perforated from the tab 15 to the corners 16 of a top board. A front part 3a to be cut off is delimited by the No.1 cut-off line 17 and a ridgeline between the top board 2 and front side board 3. By pulling the tab 15 upward, the front part 3a to be cut off is opened, followed by the top board 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box suitable for packaging a large number of cans, bottles, cups, boxes, etc. for beverages, foods, etc. When removing (cans, bottles, boxes, etc.), it is easy to open the box, and by opening it from the top to the side of the box, you can efficiently take out the contents. It is about a wrap round type box.

[0002]

2. Description of the Related Art As a container for storing a large number of cans and the like, it is called a wrap round type because it is made of corrugated cardboard as a material because it has better storage work efficiency and superior functional quality. Block-shaped boxes are widely used. For this block box,
There is a strong demand for improvement in operability and efficiency of taking out contents. That is, many of the contents stored in the box are sold in a case in a store or in a vending machine or the like for sale, and a typical example thereof is a beverage can. In such a situation, the transfer work requires a great deal of labor and labor, and the above-mentioned demand has been made to solve these problems.

More specifically, the following two types are generally widely adopted as the structure for taking out the contents from the conventional wrap round type box. First, as shown in FIGS. 4 and 5, the box 1 uses a blank 7 in which a top plate 2, a front plate 3, a bottom plate 4, a rear plate 5, and a sticking piece 6 are continuously arranged in series. 6 is formed on the top plate 2 to form a tubular body portion 8, and both side opening portions 9 of the tubular body portion 8 are formed on both sides of the front plate 3 and both sides of the rear plate 5. Inner flaps (front inner flap 10 and rear inner flap 11) that are respectively connected to each other, an upper outer flap 12 that is continuously connected to both sides of the top plate 2, and a lower outer flap that is continuously connected to both sides of the bottom plate 4. It is closed by overlapping with 13, and the overlapped portion of each flap is attached. The contents are arranged on the blanks in a lump, and then the blanks are folded so as to wrap the blanks to obtain a housed box. And, in the above-mentioned contents taking-out structure, one type does not have a special taking-out structure, and the upper and outer flaps 12 forming the side surface of the box 1,
Lower outer flap 13, front inner flap 10, rear inner flap 1
One opening 9 is opened by pulling up the sticking part of 1 while peeling it off, and the contents are taken out from the side surface of the box (see FIG. 6). Another type is Fig. 7
As shown in FIG. 9, a cut tape 14 passing through the center of the inner surface of the front plate 3 and the inner surfaces of the left and right front inner flaps 10 connected to the front plate 3 is provided. A cut tape 14 passing through the center is provided between the inner surface of the left and right rear inner flaps 11 connected in series,
Cut the front plate, the front inner flap, the rear plate, and the rear inner flap so as to cause the cut tape 14,
By removing the upper half of the box, the upper part of the contents is exposed so that it can be taken out.

However, these conventional devices have the following drawbacks. With the type that causes the side flaps, the flaps are firmly attached to each other, making it difficult to cause them, and even if the flaps are caused, the opening is narrow and the contents are difficult to remove. ing. In the type that removes the upper half of the box with a cut tape, it is necessary to perform the cutting operation twice on the front plate side and the rear plate side, and since the work is to be performed almost all around the box, The block-shaped box, which has a relatively large shape and is difficult to handle, has a problem in that the cutting operation itself becomes difficult. Further, since the cut tape is attached, there is a problem of increasing the manufacturing cost of the box.

On the other hand, Japanese Utility Model Laid-Open No. 4-68818 discloses a wrap-round type box in consideration of the removability of contents. This box forms a box that has a structure that can be opened only by adhering each plate material and the planned cutting line without using any separate cutting material such as a cutting tape. By opening the whole plate, it is easy to take out the contents. However, adopting a configuration that adjusts the adhesive force of the box and a configuration that provides a planned cutting line over the entire set of ridgelines on the top plate, on the other hand, leads to a decrease in the strength of the box itself, and There was a possibility that the contents would pop out accidentally and pop out.
Also, since the opened state is only the top surface, the exposed portion of the contents is only the top surface. In a normal wrap-round type box, the contents are stored very closely, so there is a problem that it is difficult to pick up the contents by exposing only the top surface.

In view of the above circumstances, it is an object of the present invention to allow the wrap round type box to be widely opened from the side surface to the top surface of the box when the contents are taken out without deteriorating the strength of the box. The purpose of the present invention is to obtain a box that is low in cost and has good operability for taking out contents.

[0007]

The present invention has been made in view of the above problems, and includes a top plate, a front plate, a bottom plate, a rear plate, and a sticking piece, and the sticking piece is attached to the top board. Opening both sides of the tubular body part that is attached to each of the front plate and the rear plate, inner flaps, upper and outer flaps that are respectively connected to the top plate, and both bottom plates. In a block-shaped box formed by adhering and closing a superposed portion of a continuous lower outer flap, the front plate has a knob portion formed at a substantially central position of the front plate, and the knob portion. A first planned cutting line extending from the portion to both corners on the side of the top plate, and a front opening planned part surrounded by the ridgeline of the boundary between the front plate and the top plate and the first planned cutting line in the front plate. In order to solve the above-mentioned problems, the present invention provides a box which is easy to open and is characterized in that the front opening scheduled portion is connected to the top plate. Further, each of the upper and outer flaps is continuous with the first planned cutting line and bypasses the front attachment portion between the upper and outer flaps and reaches the lower edge of the upper and outer flaps. A second planned cutting line and a third planned cutting line that reaches the lower edge of the upper outer flap by circumventing the rear attachment portion of the upper outer flap and the inner flap from the rear corner of the top plate are provided. It provides a box that is easy to open.

[0008]

In the present invention, the front opening part is formed in the front plate, and when the first planned cutting line is broken, the predetermined part can be raised about the ridge line which is the boundary with the top surface. If the top plate is torn by further pulling up the plate material of the planned part that is caused, or there is a planned cutting line on the top plate or the ridge line of the side edge of the top plate, the planned line After cutting, an open surface extending from the side surface (front plate side) to the top surface can be obtained. Also,
The present invention can also be provided with the second planned cutting line and the third planned cutting line, in which case the first planned cutting line is cut when the holding portion is pulled up and pulled up. When the plate material in the area surrounded by the knob and both corners of the top plate is triggered, and if it continues to be triggered,
The third cut line that bypasses the front attachment part of the side plate and reaches the lower end and cuts the second planned cutting line, and bypasses the rear attachment part from the rear corner of the side plate and reaches the lower end The planned line is cut, and the top plate comes to be raised in a state in which the plate materials located between the second planned cutting line and the third planned cutting line are continuously arranged on the left and right. Therefore, the top surface of the box is opened, and a part of the front surface on the top surface side and a part of the side surface on the top surface side are opened.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to an embodiment shown in FIGS. The blanks 7 of the box 1 have the same basic configuration as the conventional example shown in FIG. 4 so as to be a wrap round type, and the top plate 2, the front plate 3, the bottom plate 4, the rear plate 5, and the sticking piece. 6 are connected in series, upper and outer flaps 12 are provided on both sides of the top plate 2, and front inner flaps 1 are provided on both sides of the front plate 3.
A bottom outer flap 13 is connected to both sides of the bottom plate 4, and a rear inner flap 11 is connected to both sides of the rear plate 5. And fold each plate so as to surround the contents,
The adhesive piece 6 is adhered to the top plate 2 to form a tubular body portion 8, and the upper and outer flaps are overlapped with the folded front inner flap 10 and rear inner flap 11 from the outside. 12 and the lower outer flap 13 are folded down, the upper outer flap 12 and the lower outer flap 13 are attached to the front inner flap 10, and the upper outer flap 12 and the lower outer flap 13 are attached to the rear inner flap 11. By sticking in the same manner, each of the openings 9 in the tubular body 8 is closed. On both side surfaces of the box 1, the front inner flap 10 and the rear inner flap 11 face each other with a sufficient space therebetween and spaced apart from each other, while the upper outer flap 12 and the lower outer flap 13 do not overlap each other and end together. It is provided so as to face each other with the edges abutting (or with a slight gap).

As shown by the box 1 in FIG. 1 and the blanks 7 in FIG. 3, the front plate 3 of the box 1 is provided with a notched knob portion 15 at substantially the center thereof, and A first planned cutting line 17 formed by discontinuous cuts is provided from the knob 15 to each corner 16 on the top plate side. Then, the portion surrounded by the ridge line that is the boundary between the top plate 2 and the front plate 3 and the first planned cutting lines 17 becomes the front opening scheduled portion 3a (corresponding to a triangular plate material described later), and the ridge line It will be connected to the top plate 2 through. In each of the upper and outer flaps 12, from the front corner portion 18 on the top plate side to the front inner flap 1 in succession to the first planned cutting line 17.
A second planned cutting line 20 is provided which is a discontinuous cut reaching the lower end of the upper and outer flaps 12 and bypassing the front attachment portion 19 of the upper and outer flaps 12. In addition, a discontinuous cut that reaches the lower edge of the upper outer flap 12 by bypassing the upper outer flap 12 and the rear attachment portion 22 of the rear inner flap 11 from the rear corner portion 21 of the upper outer flap 12 on the top plate side. A third planned cutting line 23 is provided. The second planned cutting line 20 and the third planned cutting line 23 are along the ridge line 25 between the top plate 2 and the upper outer flap 12 by the height dimension 24 of the front and rear inner flaps 10 and 11, as shown in the figure, and then The upper and outer flaps 12 are inclined toward the lower end.

Although each of the first, second, and third planned cutting lines has been described as consisting of discontinuous cuts, it can be concretely a linear perforation or a hook-shaped perforation. Further, it is not limited to these discontinuous cuts, but may be a half-cut line, and the point is that it is usually formed by adopting a known technique capable of cutting corrugated board. . The shape and size of the knob portion and the planned cutting line in the illustrated embodiment will be described. First, the notch of the knob portion 15 is a straight perforation, and each cutting edge is large. The first planned cutting line 17 has hook-shaped perforations in which the ends of the respective cutting blades on the side of the knob are bent, and the respective cutting blades are fine. However, in the case where the first planned cutting line 17 bends as shown in the figure, the cutting edge corresponding to the bent portion is lengthened to follow the bent shape. In the portion along the ridge line 25 in the second and third planned cutting lines, the tip of each cutting blade is a hook-shaped perforation that bends to the top plate 2 side, and the size of each cutting blade is made fine and inclined. In a portion extending to the lower end of the upper outer flap, the tip of each cutting blade is a hook-shaped perforation that bends toward the center side of the upper outer flap, and each cutting blade is provided large.

Describing other cuts and the like in the blanks 7, reference numeral 26 forms a cut-and-raised part for facilitating the bending of the sticking piece 6 and for facilitating the positioning at the time of sticking to the top plate 2. Is a notch. In this portion, a mere linear cut may be used, but a cut and raised position for positioning the top plate cannot be obtained. Reference numeral 27 is a connection for preventing the knob 15 from being inadvertently raised.
Reference numeral 28 is a notch for killing the repulsive force when the upper and outer flaps are bent. If this notch 28 is not provided, the repulsive force of the upper and outer flaps causes the second and third planned cutting lines 20, 23.
There is a possibility that the slanted part of will break accidentally.

In order to open the box 1 having the above structure, the knob 15 is raised and kept pulled up, so that the first planned cutting line 17 is cut first, and the front planned opening 3a becomes the top plate 2 and the front plate. 3 is rotated upward about the ridgeline with respect to 3, that is, the triangular plate member 29 which is a region surrounded by the first planned cutting line 17 and the ridgeline on the top side is raised. As a result of the triangular plate member 29 existing in the front plate 3 being raised in this way, a part of the side surface (front surface) of the box is first opened. Then, when the pulling is further continued, the second planned cutting line 20 cuts from the front plate side front corner portion 18 to the lower end of the upper outer flap 12, and the third planned cutting line 23.
Cuts from the lower end of the upper and outer flaps 12 to the rear corner 21 on the top plate side, and the entire top plate 2 is raised. The triangular plate member 29 is continuously provided on the leading edge of the top plate 2 which is raised,
On the left and right, the second planned cutting line 20 in the upper outer flap 12
The trapezoidal plate member 30 between the third planned cutting line 23 and the third cutting line 23 is continuously provided. When the top plate 2 is raised from the knob portion 15 in this way, the top face of the box 1 and the center of the front face and the center of the side face are continuously opened, and the open portion extends widely to the front face and the side faces. Therefore, the contents can be easily taken out.

Although the second and third planned cutting lines are provided on the upper and outer flaps in the above embodiment, the present invention is not limited to this embodiment, and the second planned cutting line and the third planned cutting line are not limited to this embodiment. The position and presence / absence of the planned cutting line can be appropriately selected. In addition, requirements such as thickness, hardness, liner orientation, etc. of corrugated paper, which is a packaging material for boxes, are
It is set in consideration of various conditions such as a box making procedure and a box making cost.

[0015]

As described above, the easily opened box of the present invention comprises a top plate, a front plate, a bottom plate, a back plate, and a sticking piece, and the sticking piece sticks to the top board. The opening portions on both sides of the tubular body are formed by connecting inner flaps on both sides of the front plate and rear plate respectively, upper and outer flaps on both sides of the top plate, and connecting both sides on the bottom plate. In a block-shaped box formed by adhering and closing the overlapping portion with the lower outer flap, the front plate has a knob portion formed at a notch at substantially the center of the front plate, and the top portion from the knob portion. A first planned cutting line that extends over both corners of the plate is provided, and a front opening planned portion that is surrounded by the ridgeline of the boundary between the front plate and the top plate and the first planned cutting line is formed in the front plate. The front opening scheduled portion is continuously provided on the top plate. By this, the first planned cutting line is cut by pulling up with the knob part of the front plate, causing the front opening planned part in the front plate, and by continuing to pull up as it is, the open part is obtained also on the top plate side. A wide open surface that is continuous from the side surface to the top surface is formed with respect to the box, and two surfaces of a plurality of stored items are exposed on the front plate side. It can be taken out easily.

Further, according to the present invention, in each of the upper and lower flaps, a lower edge of the upper and outer flaps, which is continuous with the first planned cutting line and bypasses the front attachment portion of the upper and outer flaps, is bypassed. And a second planned cutting line that reaches the lower cutting edge and a third planned cutting line that reaches the lower edge of the upper outer flap by circumventing the rear attachment portion of the upper outer flap and the inner flap from the rear corner on the top plate side. It is characterized by. As a result, the first planned cutting line starts to be cut by pulling up on the knob of the front plate, and the second and third planned cutting lines are sequentially cut when the top plate is raised. It becomes possible to complete the opening operation of the box by a very simple operation of pulling up the plate material from the inside, and it takes no trouble to open the box. After opening, the upper part of the front plate, which is the front of the box, and the central part of the upper and outer flaps, which are the side faces, are largely opened continuously to the top surface of the box, so that the exposed parts of the contents also appear on the peripheral surface. Therefore, the contents can be taken out very easily, and in this respect, the workability of taking out the contents is further improved.

The ridgeline between the top plate and the upper and outer flaps is slightly less rigid than the corners of the ridgeline, and a planned cutting line is provided at the center of the ridgeline which is apt to deform due to the concentration of pressure from the contents. Since it is not provided, the rigidity of the entire box is improved even if it has the planned cutting line. Then, in the second and third planned cutting lines of the upper outer flap, there are a portion along the ridge and a portion extending in the height direction of the flap (that is, a portion extending toward the lower end of the upper outer flap). Even if the corner of the box is bumped and the part along the ridge line is accidentally broken, the cutting line part in the direction of the force that promoted the breakage of the ridge line part and the cutting line part in the height direction of the upper and outer flaps is cut. Since the direction of the force for cutting is different, the advance of the break is stopped at the bent portion of the second and third planned cutting lines, and the entire second and third planned cutting lines are not cut. Therefore, it becomes possible to prevent the accident that the contents jump out. As described above, the box opening operation and the contents taking-out operation can be easily performed, and the strength of the box itself is not impaired.

[Brief description of drawings]

FIG. 1 is an explanatory view showing an embodiment of an easily opened box according to the present invention.

FIG. 2 is an explanatory diagram showing an opened state in one embodiment.

FIG. 3 is an explanatory diagram showing a blank of one embodiment.

FIG. 4 is an explanatory diagram showing blanks in a conventional example.

FIG. 5 is an explanatory diagram showing a conventional example.

FIG. 6 is an explanatory diagram showing an example of unsealing in a conventional example.

FIG. 7 is an explanatory diagram showing blanks in a conventional example including a cut tape.

FIG. 8 is an explanatory diagram showing a conventional example including a cut tape.

FIG. 9 is an explanatory view showing opening of a conventional example provided with a cut tape.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Box 2 ... Top plate 3 ... Front plate 4 ... Bottom plate 5 ... Rear plate 6 ... Adhesive piece 8 ... Cylindrical body 9 ... Opening 10 ... Front inner flap 11 ... Rear inner flap 12 ... Upper outer flap 13 ... Lower outer flap 15 ... Knob part 17 ... First planned cutting line 19 ... Front pasting part 20 ... Second planned cutting line 22 ... Rear pasting part 23 ... Third planned cutting line

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Isao Sawaguri 1-5-1 Taito, Taito-ku, Tokyo Toppan Printing Co., Ltd. (72) Inventor Yoshitaka Tomino 1-23-1 Azumabashi, Sumida-ku, Tokyo Asahi Breweries, Ltd. Packaging Development Department (72) Inventor Dai Okada Fukushima Prefecture, Adachi-gun, Motomiya-cho, Arai, Uezenhata 1 Asahi Breweries, Ltd., Fukushima Factory

Claims (2)

[Claims] 1. A front plate comprising a top plate, a front plate, a bottom plate, a rear plate, and a sticking piece, wherein both side openings of a cylindrical body formed by sticking the sticking piece to the top plate are provided. The inner flaps connected to both sides and the rear plate on both sides, the upper and outer flaps connected to both sides of the top plate, and the lower outer flaps connected to both sides of the bottom plate are overlapped with each other and then closed. In the block-shaped box consisting of, the front plate is provided with a knob portion formed at a substantially central portion of the front plate and formed with a notch, and a first planned cutting line extending from the knob portion to both corners on the top plate side. A front opening scheduled portion surrounded by a ridgeline between the front panel and the top panel and the first planned cutting line is formed in the front panel, and the front opening scheduled portion is continuously provided on the top panel. A box that is easy to open characterized. 2. A second continuous line to each of the upper and outer flaps, which is continuous with the first planned cutting line and which bypasses the front attachment portion between the upper and outer flaps and reaches the lower edge of the upper and outer flaps. It is characterized in that a planned cutting line and a third planned cutting line that reaches the lower edge of the upper and outer flaps by bypassing the rear attachment portions of the upper and outer flaps and the inner flap from the rear corner of the top plate are provided. The easy-open box according to claim 1.