JP2010058790A - Multipack packaging box - Google Patents

Abstract

An object of the present invention is to provide a novel apparatus capable of avoiding as much as possible the inconvenience that an end portion on the opening side of a bottom plate based on contact between multipack packaging boxes or a joint portion between a bottom plate and a side plate is broken or damaged. A multipack packaging box is provided.
SOLUTION: An upper surface plate 2 covering the upper surface of a container group, side surface plates 4 and 5 covering the side surfaces of the respective containers, and first and second bottom surface plates 5 and 6 having locking portions which can be engaged with each other. A multi-pack packaging box 1 in which openings are formed at both ends where side plates do not exist, and is housed so as to wrap the container group by engaging the first and second bottom plates. A state in which the container holding function by folding of the folded piece is not formed at the end portion of the bottom surface portion on the opening side, and the end surfaces of the first and second bottom surface plates 5 and 6 constituting the bottom surface portion exist as they are. The opening portion side of the bottom surface portion is formed, and the notch portion 200 having a predetermined shape is formed at the end portion on the opening portion side only in one of the first and second bottom surface plates.
[Selection] Figure 1

Description

  The present invention relates to a multipack packaging box for packaging a predetermined number of containers such as small beer, strawberry-containing nutrition drink, canned beer, canned juice and the like in parallel. In particular, the container holding function by folding the folding piece is not formed at the end of the bottom plate on the opening side, and the opening side of the bottom plate is exposed while the end surface of the bottom plate is exposed along the bottom plate surface. The present invention relates to a formed multipack packaging box.

  Conventionally, a plurality of containers such as small beer, trout-filled drinks, canned beer, can juice, etc. are arranged in a row or standing in a single row or multiple rows, and then the top and sides of the container. In addition, a multipack packaging box made of paper and wrapped so as to wrap the lower part is used.

  By using such a multipack packaging box, a plurality of containers can be combined into one package and carried easily at a time, and in addition, the effect of collective selling is combined. The use of multipack packaging boxes has been expanding rapidly in recent years.

  For example, when a small beer stored in such a multi-pack packaging box is handed over from a wholesaler to a retail store or the like, normally, the flap constituting the upper surface of one shipping carton case is opened to open the opening. From this opening, 2-4 or more than 4 multipack packaging boxes are arranged side by side, stored and carried out.

  The packaging box for multipacks that stores small drinks such as small drink beer, such as small drink beer, does not have a container holding function by folding the folded piece at the end of the opening on the bottom plate, In many cases, the opening side of the bottom plate is formed with the end surface of the bottom plate exposed along the bottom plate surface. On the other hand, many multipack packaging boxes for storing can products such as canned beer have a container holding function by folding a folded piece called a so-called bottom gusset.

  As described above, in a multi-pack packaging box for storing a soot product that does not have a container holding function, so-called bottom gusset, the opening side of the bottom plate is exposed while the end surface of the bottom plate is exposed along the bottom plate surface. Is formed. That is, the edge part which forms board thickness is exposed as it is also in the junction part of a bottom board and a side board.

  For this reason, the packaging box for multipacks being transported on the conveyor in the manufacturing process may become (1) clogged and stuck, causing a situation where the front and back are pushed out of position with respect to each other (so-called jam occurs in a misaligned state). ), Or (2) If the front and back contact with each other in the state where the positions of the conveyance paths are shifted from each other, the openings on the bottom plate contact each other while the conveyance position is shifted. As a result, there is an inconvenience that the end portion on the opening side of the bottom plate based on the contact between the multipack packaging boxes and the joint portion between the bottom plate and the side plate are broken or damaged (FIG. An example is shown in which the joint between the face plate and the side plate is damaged).

  It can be said that the occurrence of such a defect can also occur during transportation when the container is refilled and transported to a non-dedicated (general purpose) container or the like by secondary delivery or the like.

JP 2005-350105 A JP 2005-343469 A

  In order to solve such problems, the present invention has been devised, and its purpose is to provide an end portion on the opening side of the bottom plate based on contact between the packaging boxes for multipacks, and a bottom plate and a side plate. It is an object of the present invention to provide a multi-pack packaging box of a novel form capable of avoiding as much as possible the inconvenience that the joint portion is broken or damaged.

  In order to solve such a problem, the present invention covers an upper surface plate that covers the upper surface of a plurality of containers arranged in parallel, and covers the side surfaces of the containers that are connected to both sides of the upper surface plate and arranged in parallel. The container group includes a side plate and first and second bottom plates having locking portions connected to the side plates and capable of engaging with each other, and engaging the first and second bottom plates. In the multipack packaging box in which bottom portions that can be stored so as to wrap are formed, and openings in which a part of the side surface of the container group is peeked are formed at both ends where the side plates are not present. A container holding function by folding of a folded piece called a so-called bottom gusset is not formed at the end portion of the portion side, and the bottom surface is in a state where the end surfaces of the first and second bottom surface plates constituting the bottom surface portion are present as they are. The opening side of the part is formed A cutout portion is formed at an end of the opening on only one of the first and second bottom plates, and the cutout portion is formed between the multipack packaging boxes. An end portion on the opening side of the bottom plate based on the contact and a joint portion between the bottom plate and the side plate are configured to act so as to prevent damage or damage.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, the cutout portion has a center line at the substantial center of the width W1 when the width from the end of the bottom plate to the end is W1. P is formed to have a width of W2, and is configured to be within a range of W2 / W1 = 0.2 to 0.7.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, the cutout portion is formed by being connected to a crest portion formed around the center line P and a skirt portion on both sides of the crest portion. It is comprised so that two trough parts may be provided.

  Further, as a preferable aspect of the multipack packaging box of the present invention, the top position of the peak portion is configured to be present inside the packaging box from the line connecting the ends on the opening side of the bottom plate. Is done.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, the distance D1 in which the top position of the peak portion exists from the line connecting the ends of the bottom plate on the opening side is D1 = 0. It is configured to be within a range of ˜5 mm.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, when the distance connecting the lowest points of the two valleys constituting the notch is L1, L1 / W1 = 0.2-0. .64 range.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, the distance D2 where the lowest point position of the valley portion exists from the line connecting the ends on the opening side of the bottom plate to the inside is D2. = 2 to 9 mm.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, the cutout portion is formed in a mirror image relationship with the center line P as the center.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, a fold line that is a boundary between the first bottom plate and the side plate and a fold line that is a boundary between the second bottom plate and the side plate are divided. Thus, a container bottom locking hole is formed in accordance with the storage arrangement of the containers.

  Moreover, as a preferable aspect of the multipack packaging box of the present invention, the containers stored in the multipack packaging box are arranged in two rows, and the first and second bottom plates are engaged. A part of the formed locking piece is bent and stood from the bottom, and is configured to function as a separation band that divides the two-row arrangement container into each row.

  In the present invention, only one of the first and second bottom plates is formed with a notch at the end on the opening side, and the notch has a predetermined shape and is a multipack. The end portion on the opening side of the bottom plate based on the contact between the packaging boxes and the joint portion between the bottom plate and the side plate are configured to act so as to prevent damage or damage. Therefore, the problem that the edge part of the opening part side of the bottom face plate based on the contact of the packaging boxes for multipacks, and the joining location of the bottom face plate and the side face plate are broken or damaged can be avoided.

  As a result, the yield of the packaging box is improved. For example, there is an effect that the operation of refilling the container into the multipack packaging box again is not necessary based on the detection of the defective box.

  Hereinafter, an example (1st Embodiment) of specific embodiment of the packaging box 1 for multipacks of this invention is demonstrated, referring FIGS. 1-4.

Description of First Embodiment FIG. 1 is an illustration of an example of a development view of a multi-pack packaging box 1 of the present invention, FIG. 2, assembled box original paper is expanded as shown in FIG. 1 FIG.

  In an embodiment of the present invention, a container represented by a small sized beer (a so-called beer small jar, hereinafter sometimes referred to as “small brew”) is included in the multipack packaging box 1. A case where three pieces are arranged in a row and a total of six pieces (2 × 3) are stored will be described as an example.

  The multipack packaging box 1 of the present invention can be formed by assembling the unfolding sheet (packing sheet) shown in FIG. 1, and the unfolding sheet has a horizontally long and substantially rectangular shape as shown in FIG. ing.

  In the unfolded sheet shown in FIG. 1, the central portion constitutes the upper surface plate 2, and the side surface plates 3 and 4 are connected to both ends thereof.

  In FIG. 1, the width area of the upper surface plate 2 is an area indicated by reference numeral L <b> 2, the width area of the side face plate 3 is an area indicated by reference numeral L <b> 3, and the width area of the side face plate 4 is indicated by reference numeral L <b> 4. Area.

  A bottom plate 5 is formed on the left side of the drawing, which is the end side of the side plate 3, and a bottom plate 6 is formed on the right side of the drawing, which is the end side of the side plate 4, opposite to the side plate 3. .

  In this embodiment, for convenience, the bottom plate 5 located on the left side in FIG. 1 is referred to as “first bottom plate 5”, and the bottom plate 6 located on the right side in FIG. 1 is referred to as “second bottom plate 6”. Called. The width area of the first bottom surface plate 5 is a region indicated by a symbol L5, and the width area of the second bottom surface plate 6 is a region indicated by a symbol L6.

  The first and second bottom plates 5 and 6 are engaged with each other to form a cylindrical body in which the end portions of the band are locked, so that the inner container group can be stored.

  The bottom surface of the box is formed by engaging the first and second bottom plates 5 and 6. The bottom width W1 (see FIG. 2) of the bottom portion corresponds to the length of (L5-Q5) + (R6-Q6) in FIG. The width area indicated by Q6 of the second bottom face plate 6 shown in FIG. 1 overlaps with the width area indicated by Q5 of the first bottom face plate 5 by the engagement of the first and second bottom face plates 5 and 6. This is an overlapping part. P6 of the second bottom surface plate 6 shown in FIG. 1 is an excess area due to the engagement of the first and second bottom surface plates 5 and 6, and does not constitute the bottom width W1 of the bottom surface portion.

  As will be described later, P6 of the second bottom plate 6 is bent and stood up from the bottom, and functions as a so-called separation band that separates the two-row arrangement containers into one row. (See symbol 8b in FIG. 2).

  The bottom surface portion formed by the engagement of the first and second bottom surface plates 5 and 6 can hold the bottom portions of the six “small beers” in which three in-series are arranged in a standing two-row arrangement. In fact, there is an area on the vertical side 1a of the drawing that can hold about 3 pieces of “Kobuchi Beer” and an area that can hold about 2 pieces of “Kobuchi Beer” in the direction of the horizontal piece 1b. Yes. Here, the expression “substantially” means that the bottom width W1 in the direction of the horizontal piece 1b in the present embodiment is “small casket” because a container bottom locking hole described later is provided. This is because it is set slightly shorter than the length of about two beers.

  The top plate 2 has three “small beer” in the direction of the vertical side 1a of the drawing so that it can hold the top of the six “small beer” in which three in series are aligned in two rows in a standing state. In the direction of the horizontal piece 1b, there is an area that can substantially cover the mouths of the two "small beer". The reason why “the area that can be substantially covered” is taken into consideration is the existence significance of the holes 31 and 41 described later.

  In addition, the code | symbol 16 has shown the finger hole (two places) which can insert a thumb and an index finger, for example, when lifting and carrying a packaging box.

  On both sides of the top plate 2, side plates 3, 4 corresponding to the length of the “small beer” are covered with folding lines 2 a, 2 b that form boundary lines. ing. Three holes 31 and 41 are formed on the side plates 3 and 4 side along the folding lines 2a and 2b, respectively. The hole portions 31 and 41 have a function of exposing a portion near the front end portion of the “small beer” and locking and fixing the front end portion of the “small beer”.

  The side plate 3 is connected to the first bottom plate 5 via the folding line 3a, and the side plate 4 is connected to the second bottom plate 6 via the folding line 4a.

  As shown in FIG. 1, the first and second bottom plates 5 and 6 have female side engagements that can be engaged with each other at the distal ends so that a cylindrical body that wraps the container can be formed. A stopper 7 (first bottom plate 5 side (left side in the drawing)) and a male locking portion 8 (second bottom plate 6 side (right side in the drawing)) are formed.

  The locking portion 7 on the first bottom plate 5 side located on the left side of the drawing is the same as the first locking portion 7a parallel to one longitudinal side 1a of the unfolding sheet forming the tip portion, and the inside thereof. It is comprised from the 2nd latching | locking part 7b provided in parallel with the vertical side 1a. These 1st latching | locking part 7a and 2nd latching | locking part 7b are each provided in three places of the center of the vertical side 1a, and its both ends as FIG. 1 shows.

  In this embodiment, the shape of the first locking portion 7a is a vertically elongated substantially square hole, one side a of the hole is formed in the engaging portion, and the shape of the second locking portion 7b is cut. It has become.

  On the other hand, the male locking portion 8 on the second bottom plate 6 side located on the right side of the drawing is engaged with the first locking portion 7a and the second locking portion 7b, respectively. The first locking portion 8a and the second locking portion 8b are formed so as to be obtained. In this embodiment, the shape of the first locking portion 8a is a straight line parallel to the vertical side 1a, and the center is a notch that forms a recess b inside. The shape of the second locking portion 8b is tapered from the width of the first locking portion 8a to the outside of the vertical side 1a to reach the neck portion d, and the following tip is formed as a head portion c wider than the neck portion d. Has been.

  A specific method of engagement is as follows. That is, the male side second locking portion 8b provided on the vertical side 1a of the second bottom surface plate 6 is provided on the female side provided in the direction of the vertical side 1a on the first bottom surface plate 5 side from the head c. The second locking portion 7b is engaged with the second locking portion 7b through the hole of the first locking portion 7a to prevent the neck portion d of the first locking portion 8a from coming off, and the male-side first locking portion 8a has a recess b. The first locking portion 7a on the female side is engaged with one side a forming a horizontally long square hole. As a result, the multipack sheet is formed in an endless state and becomes a canned multipack packaging box in a state where the can beer is banded.

  In the case of the present embodiment, as shown in FIG. 2, the head c (reference numeral 8b) is normally locked and then bent and stood from the bottom, as if 2 It serves as a so-called separation zone that divides the row of “Kominato Beer” into each row.

  As shown in FIG. 1, in the vicinity of the fold line 3a that is the boundary between the first bottom plate 5 and the side plate 3, and in the vicinity of the fold line 4a that is the boundary between the second bottom plate 6 and the side plate 4, In accordance with the storage arrangement of “Small Beer”, the bottom locking holes 51 and 61 for locking to a part of the bottom of “Kongar Beer” and for restricting the arrangement position of each “Kongar Beer”, respectively, Three are formed. Further, as shown in FIG. 1, pressing flap pieces 71 and 81 are connected to the bottom bottom locking holes 51 and 61 on the side plate side upper portions of the bottom bottom locking holes 51 and 61, respectively. Is formed. The presser flap pieces 71 and 81 are formed with a slit 71a and 81a in the center like the pen tip shape of a fountain pen, which makes the movement of the presser flaps 71 and 81 pieces flexible, It is easy to attach to the bottom locking holes 51 and 61.

  The side plate 3 is provided with a zipper 90 for cutting, which is located in a substantially central portion and is formed in a band shape from end to end. The zipper 90 is formed for easy opening. The zipper 90 may be formed on the side plate 4 side which is the opposite side surface.

  By engaging the first and second bottom surface plates 5 and 6, the multipack packaging box 1 that can be stored so as to wrap a group of containers such as “Kosuge Beer” is assembled. By engaging the first and second bottom surface plates 5 and 6, a bottom surface portion serving as the bottom of the packaging box is formed. Then, as shown in FIG. 2, openings 100 are formed at both ends of the multipack packaging box 1 at both ends where the side plates 3 and 4 do not exist, and a part of the side surface of the container group can be seen.

[Description of essential parts of the present invention]
The multi-pack packaging box 1 of the present invention does not have a container holding function by folding a folded piece called a so-called bottom gusset at the end on the opening 100 side of the bottom surface portion, and constitutes the bottom surface portion. It is intended for the type in which the opening 100 side of the bottom surface portion is formed with the end surfaces of the first and second bottom surface plates existing as they are. Therefore, for example, a multipack packaging box with a container holding function as shown in FIG. 3 and FIG. 4 of Japanese Patent Application Laid-Open No. 2005-343469 is excluded.

  As shown in FIG. 1 and FIG. 2, the multipack packaging box 1 of the present invention has an opening in the bottom surface portion in a state where the end surfaces of the first and second bottom surface plates 5 and 6 constituting the bottom surface portion are present as they are. The part 100 side is formed. In other words, the first and second bottom surface plates 5 and 6 at the end portion on the opening 100 side have the thickness portions of the bottom surface plate exposed as they are at the end surfaces (such as hiding the thickness portion of the bottom surface plate). There is no processing such as insertion). Therefore, the problems described in the prior art may occur if no measures are taken.

  In order to solve such problems of the prior art, the multi-pack packaging box 1 of the present invention has an end on the both opening 100 side only on one of the first and second bottom plates 5 and 6. A notch 200 is formed in the portion. By forming the notch portion 200 only in one of the first and second bottom surface plates 5 and 6, the stability of the shape of the notch portion 200 can be ensured. (If the two bottom plates 5 and 6 are combined to form the cutout portion 200, the shape of the cutout portion 200 may fluctuate due to looseness of the combined portion of the two bottom plates 5 and 6) Will occur.)

  The notch 200 according to the present invention prevents the end of the opening of the bottom plate based on the contact between the multipack packaging boxes and the joint between the bottom plate and the side plate from being damaged or damaged. It is provided to act on.

  As shown in FIG. 2, such a notch 200 has a width of W2 from the end of the bottom plate on the opening side to W1, with the substantial center of the width W1 as the center line P. It is formed in the width, and is formed in the range of W2 / W1 = 0.2 to 0.7, more preferably in the range of 0.26 to 0.55. This is to ensure that the effects of the present invention are achieved. And the form of the notch part 200 is provided with the peak part 201 formed centering on the centerline P, and the two trough parts 208 and 209 formed by connecting with the skirt part of the both sides of this peak part 201. Yes. The notch 200 is preferably formed in a mirror image relationship with the center line P as the center.

  It is preferable that the top position of the peak portion 201 exists inside the packaging box rather than the line G1 connecting the ends of the bottom plate 5 on the opening side. The distance D1 existing on the inner side from the line G1 connecting the ends of the crest 201 on the opening side of the bottom plate is D1 = 0 to 5 mm, preferably within a range of 0.5 to 3 mm. It is preferable to do.

  When this D1 value is less than 0 mm which is the lower limit value and protrudes outward from the line G1, the end portion on the opening side of the bottom plate based on the contact between the multipack packaging boxes, the bottom plate and the side plate There is a possibility that the certainty of avoiding the inconvenience that the joint portion is broken or damaged cannot be remarkably improved. If the D1 value exceeds the upper limit of 5 mm, the distance from the cut line portion 7c constituting a part of the second locking portion 7b in the vicinity of the notch portion 200 shown in FIG. Problems arise in terms of strength.

  The distance D2 at which the lowest point position of the two valleys 208 and 209 exists on the inner side from the line G1 connecting the ends of the bottom plate on the opening side is within a range of D2 = 2 to 9 mm, preferably It is preferable to be within a range of 2 to 5 mm. This is to achieve the effects of the present invention.

  When the distance connecting the lowest points of the two valleys 208 and 209 constituting the notch 200 is L1, L1 / W1 = 0.2 to 0.64, preferably 0.26 to 0. 45 is good. This is to achieve the effects of the present invention.

The width W1 from the end of the opening side of the bottom plate to the end, to the two pins 2D _b "small bottle of beer" container barrel diameter D _b, W1 = (0.71~0.83 ) in the range of 2D _b, preferably in the range of (0.74 to 0.80) 2D _b. This is because the arrangement position can be surely regulated by the bottom bottom locking holes 51 and 61 that are locked to a part of the bottom of the “small beer”.

  1 is a folding piece for supporting the head of the container accommodated in the vicinity of the opening. Reference numeral 2c is a mountain fold, reference numeral 10b is a valley fold, and reference numeral 10a is a mountain fold.

Description of Second Embodiment Next, another specific embodiment (second embodiment) of the multipack packaging box 1 of the present invention will be described with reference to FIG.

  FIG. 4 shows a developed view (second embodiment) of the multipack packaging box of the present invention corresponding to FIG. The second embodiment shown in FIG. 4 differs from the first embodiment (FIG. 1) described above in that a so-called guard lock piece 79 is provided in the vicinity of the second locking portion 7b as shown in FIG. It is in the point provided. The guard lock piece 79 is combined with a cut line and a ruled line on the bottom surface, and is raised in a substantially triangular pyramid shape, thereby filling the space between the heel and the heel to prevent the heel from slipping and strengthening the bottom holding force. It is formed to demonstrate the function. However, since the guard lock piece 79 is formed at a location very close to the notch 200, there is a possibility that a problem in strength occurs. Therefore, it can be said that the first embodiment (FIG. 1) is more preferable in consideration of the strength.

  Except for the presence or absence of the guard locking piece 79, the second embodiment (FIG. 4) and the first embodiment (FIG. 1) are both the same structure, and in FIG. is there.

  In addition, although embodiment of this invention demonstrated taking the packaging of the small beer as an example, it is not limited to this. For example, it is needless to say that the present invention can also be applied to various types of bag products such as a bag for energy drink.

(Preparation of Sample 1 of the present invention)
A sample of the multipack packaging box of the present invention constituted by a development view as shown in FIG. 1 was produced.

The main dimensions were as follows.

L2 = 76mm
L3 = 199mm
L4 = 199mm
L5 = 86mm
L6 = 69.5mm
Q5 = 33.5mm
R6 = 17.5mm
Q6 = 33.5mm
P6 = 18.5mm
W1 = (L5-Q5) + (R6-Q6) = 103.5

Was used as the container body diameter D _b of the "small bottle of beer" is 62 mm, 2D _b is 124 mm.

<Setting the form of the notch 200>
As shown in FIGS. 1 and 3, the shape of the notch 200 includes a peak formed around the center line P and two valleys formed by connecting to the skirts on both sides of the peak. It was set as the form which comprises a part (same shape). In addition, as shown in FIG. 3, the top position of the peak portion was set so as to be present inside the packaging box with respect to the line G <b> 1 connecting the ends of the bottom plate on the opening side.

The peak portion was an arc of about 40 ^R , the valley portion was an arc of about 18 ^R , and the portion reaching the vicinity of the line G1 from the valley portion was an arc of about 20 ^R.

  The basic dimension setting of the notch 200 was as follows.

W2 = 56.75mm, W2 / W1 = 0.55
D1 = 1.44mm
D2 = 3mm
L1 = 27mm, L1 / W1 = 0.26

  Using the sample 1 of the present invention, an experiment was performed in which the opening side portions of the multipack packaging boxes collide with each other. That is, so-called offset pressing is performed in a state where the positions of the opposing openings are shifted by about 0.3 W1 pitch, and the end portion on the opening side of the bottom plate and the joint portion between the bottom plate and the side plate are broken or damaged. It was confirmed whether inconvenience occurred. The number of samples N was N = 20. As a result of this experiment, in Sample 1 of the present invention, the incidence of breakage or damage up to the defective level was 0%.

  On the other hand, in the conventional comparative sample 1 that does not include the notch 200, the occurrence rate of breakage or damage up to the defective level was 100%.

  Further, in the comparative sample 2 in which L1 and W2 are increased while changing the arcs of the peaks and valleys and the upper limit values of W2 / W1 and L1 / W1 are exceeded, 7C in FIG. 3 is gradually approached. Samples tend to be difficult to produce. The rate of occurrence of breakage or damage up to the defective level of the sample that could be produced could not reach the very good level of the sample 1 of the present invention.

  Similarly, in the comparative sample 3 in which L1 and W2 are made smaller while changing the arcs of the peak and valley and the lower limit value of W2 / W1 and L1 / W1 is less than that, damage or damage up to the defective level The occurrence rate could not reach the very good level of Sample 1 of the present invention.

  From the above results, the effects of the present invention are clear. That is, the multipack packaging box of the present invention includes a top plate that covers the top surface of a plurality of containers arranged in parallel, and a side plate that covers the side surfaces of the containers that are connected to both side portions of the top plate and arranged in parallel. And first and second bottom plates having locking portions connected to the side plates and capable of engaging with each other, and the first and second bottom plates are engaged to enclose the container group. A multi-pack packaging box having a bottom portion that can be stored in such a manner that an opening is formed through which both side portions of the container group do not have a side plate. In the end portion on the side, there is no container holding function by folding folded pieces called so-called bottom gusset, and the bottom surface portion in the state where the end surfaces of the first and second bottom surface plates constituting the bottom surface portion are present as they are The opening side of the In addition, a cutout portion is formed at an end portion on the opening side only in one of the first and second bottom plate, and the cutout portion is a contact between the multipack packaging boxes. The end portion on the opening side of the bottom plate and the joint portion between the bottom plate and the side plate act to prevent breakage or damage. Therefore, it is possible to avoid the problem that the end portion of the bottom plate on the opening side based on the contact between the multipack packaging boxes and the joint portion between the bottom plate and the side plate are broken or damaged.

FIG. 1 shows an example of a development view of the packaging box of the present invention. FIG. 2 is a perspective view of assembled box original paper developed as shown in FIG. FIG. 3 is an enlarged view of the vicinity of the notch 200 which is the main part of the present invention, and is particularly a drawing for explaining the form of the notch 200. FIG. 4 shows an example of another development of the packaging box of the present invention. FIG. 5 is a drawing for explaining the problems of the prior art, and is a drawing showing an example of a state in which the joint portion between the bottom plate and the side plate is damaged.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Multipack packaging box 2 ... Top plate 3, 4 ... Side plate 5 ... First bottom plate 6 ... Second bottom plate 50 ... Notch 200 ... Notch

Claims (10)

An upper surface plate covering the upper surface of a plurality of containers arranged in parallel;
Side plates that cover the side surfaces of the containers connected to and parallel to both sides of the top plate,
And a first bottom plate and a second bottom plate having locking portions connected to the side plates and capable of engaging with each other. The first and second bottom plates are engaged to store the container group. In a multi-pack packaging box in which a bottom portion that can be formed is formed, and an opening through which a part of the side surface of the container group is viewed at both end portions where no side plate exists is formed,
A container holding function by folding a so-called folding piece called a so-called bottom gusset is not formed at the end of the bottom portion on the opening side, and the end surfaces of the first and second bottom plates constituting the bottom portion are left as they are. The opening side of the bottom part is formed in the existing state,
Only one of the first and second bottom plates is formed with a notch at the end on the opening side,
The cut-out portion acts to prevent breakage or damage to the end portion on the opening side of the bottom plate based on the contact between the multipack packaging boxes and the joint portion between the bottom plate and the side plate. Multipack packaging box characterized by the above.   The notch is formed to have a width W2 with the substantial center of the width W1 as the center line P, where W1 is the width from the end of the bottom plate on the opening side to W1, and W2 / W1 = It is 0.2-0.7, The packaging box for multipacks of Claim 1.   The multi-piece according to claim 2, wherein the notch includes a peak formed around the center line P and two valleys formed by connecting to the skirts on both sides of the peak. Packing box for packs.   The multipack packaging box according to claim 3, wherein the top position of the peak portion is present inside the packaging box from a line connecting the ends of the bottom plate on the opening side.   The multipack according to claim 4, wherein a distance D <b> 1 existing on the inner side from a line connecting the end portions of the bottom plate on the opening side of the bottom plate is within a range of D <b> 1 = 0 to 5 mm. Packaging box.   The distance L1 / W1 is 0.2 to 0.64, where L1 is a distance connecting the lowest points of the two valleys constituting the cutout portion. The multipack packaging box described.   The distance D2 which exists in the inner side from the line which connected the end point position of the bottom part of the bottom face plate from the end part side to the end is in the range of D2 = 2-9mm. Multipack packaging box.   The multi-pack packaging box according to any one of claims 3 to 7, wherein the notch is formed in a mirror image relationship with the center line P as a center.   A container bottom so as to divide a fold line that is a boundary between the first bottom plate and the side plate and a fold line that is a boundary between the second bottom plate and the side plate, and in accordance with the storage arrangement of the containers. The multipack packaging box according to any one of claims 1 to 8, wherein a locking hole is formed. The containers stored in the multipack packaging box are arranged in two rows,
A part of the locking piece formed by engaging the first and second bottom plates is bent and raised from the bottom surface, and the two rows of containers are divided into rows. The multipack packaging box according to any one of claims 1 to 9, which functions as a separation band.

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