JP2007118958A - Box - Google Patents

Abstract

The present invention provides a box that can be folded and kept in a folded state and can be easily discarded when it is discarded after an object to be stored is taken out.
SOLUTION: Two break lines 31 and 32 are juxtaposed at the edge of a top flap portion 3c of a box, and a user cuts the top flap portion 3c at the break lines 31 and 32 to form a cut piece 30. Keep it available. A slit 36 is formed in the side plate portion 2a. Further, folding lines 25, 26, 27, and 28 are formed on the side plate portions 2b and 2d. With the bottom side flaps 4a, 4b, 4c, and 4d closed, the top side flaps 3a, 3b, and 3d are folded into the main body 1 and the side plate portions 2b and 2d are folded at the folding lines 25, 26, 27, and 28. Bend it down to the inside of the main body 1. As a result, the box can be folded, and the cut piece 30 is inserted into the slit 36 to hold the folded state.
[Selection] Figure 2

Description

  TECHNICAL FIELD The present invention relates to a box that stores articles to be stored such as electrical appliances, books, foods, and the like, and particularly relates to a box that can be folded for easy disposal.

  Conventionally, when an electric appliance is purchased, the electric appliance is delivered to a user who has purchased the electric appliance while being stored in a cardboard box, for example. The purpose of this is to protect the electrical appliance from external impacts and facilitate carrying when the electrical appliance purchased by the user is taken home or mailed to the home.

  The user needs to discard the box after taking out the electrical appliance from the box. When discarding the box, cut it or break it into several small pieces, put it in another bag, or forcefully fold the box small and use sealing tape or string Disposal is performed after the folded state is maintained. However, it is difficult and very troublesome to divide the box into small pieces or fold it into small pieces, and there is a problem that the larger the box is, the more time is required for disposal.

  In Patent Document 1, two sets of opposing side plates, a bottom plate forming flap provided continuously to the lower end of the opposing side plate, and an upper lid forming flap formed at the upper end of the opposing side plate are provided. There has been proposed a cardboard packaging box in which one continuous fold line is formed at the center of the bottom plate forming flap and the upper lid forming flap which are continuously provided. When this packaging box is folded, the bottom plate forming flap and the top lid forming flap that are provided continuously with the other pair of opposing side plates are folded so as to overlap the inner surface of the opposing side plate that is provided continuously, and connected to the set of opposing side plates. The provided bottom plate forming flap and the upper lid forming flap are bent so as to overlap the inner surface or the outer surface of the opposing side plate, and the opposing side plate, the bottom plate forming flap and the upper lid forming flap formed with the folding line are bent. The bottom plate forming flap and the top lid forming flap connected to the other opposing side plate of the other set are inserted and folded inside the other opposing side plate of the other set. Thereby, a packaging box can be folded small and the folded state can be hold | maintained without using a sealing tape or a string.

Moreover, in patent document 2, in addition to the structure similar to the packaging box of the above-mentioned patent document 1, the description part which shows the folding method of a packaging box was provided in the opposing side plate, and the flap for bottom plate formation in which the folding line was formed There have been proposed a packaging box provided with an indicator portion for clearly indicating a folding position, and a folding method thereof.
Japanese Patent Laid-Open No. 2004-231192 JP-A-2005-29176

  However, the packaging boxes described in Patent Literature 1 and Patent Literature 2 must be folded after the bottom plate and the upper lid formed by the flaps connected to the upper and lower ends of the opposing side plate are returned to the flap state. In the packaging box, when the bottom plate and the top lid are formed by the flap, the bottom plate and the top lid are formed by fixing the flap using a sealing tape, an adhesive, a fixing metal fitting or the like. When removing the items to be stored in the packaging box, it is necessary to remove the top lid with sealing tape, adhesive or fixing brackets, so the top lid is always removed, but it is not necessary to remove the bottom plate. For this reason, when the packaging box is folded, it is necessary to remove the fixing of the bottom plate, which is troublesome. In addition, considering that the top lid is opened by the user, there are many cases where the fixing with a sealing tape, an adhesive, a fixing bracket, or the like can be easily removed, but the bottom plate is strong in order to increase the strength. It may be difficult for the user to remove the fixation.

  The present invention has been made in view of such circumstances, and the object of the present invention is to form a fold line in one set of opposing side plate portions, and to form one side plate portion of the other set of side plate portions. By forming the locking part on the extended top flap part and forming the locked part on the other side plate part, it can be folded while the ground side flap part is closed and fixed. Another object of the present invention is to provide a box that can hold a fold by a locking part and a locked part.

  Another object of the present invention is to provide a box that can easily realize the locked portion by forming a slit in the side plate portion to form the locked portion.

  Another object of the present invention is that the top flap portion is provided with two cuts, and the cut piece formed between the two cuts is used as the lock portion, so that it can be easily locked. An object is to provide a box body that can realize a portion and can be easily held by a locking portion and a locked portion by a user.

  In addition, another object of the present invention is to provide a configuration in which a tongue piece is extended to the top side flap portion and the tongue piece is used as a latching portion, so that the latching portion can be easily realized and the user can easily Another object of the present invention is to provide a box that can hold the folding by the locking portion and the locked portion.

  Another object of the present invention is to form a folding line on a pair of opposing side plate portions, form a tongue on the top flap portion of the other side plate portion, and bend the folding plate along the folding line. It is in providing the box which can be folded in the state which closed and fixed the ground side flap part by setting it as the structure which pinches a tongue piece between parts, and can hold | maintain folding with a tongue piece.

  Another object of the present invention is to provide a folding line or a plurality of holes at a position corresponding to the folding line of the top flap portion that overlaps the side plate portion on which the folding line is formed. An object of the present invention is to provide a box that can easily bend a side plate portion and a top flap portion according to a line.

  Another object of the present invention is that the side plate according to the fold line is formed by cutting out the portion corresponding to the fold line of the top flap portion overlapping the side plate portion on which the fold line is formed. It is in providing the box which can bend a part easily.

  A box according to the present invention includes a rectangular tubular main body surrounded by four side plates, a top flap extending from each side plate on one opening end side of the main body, and the main body. A ground side flap portion extending from each side plate portion on the other opening end side of the portion, and folding the flap portions on both sides inward of the main body portion so as to cover the openings at both ends of the main body portion, respectively. In each box, a pair of side plate portions facing each other has a bend line formed obliquely from both ends of the ground side portion to the top side portion, and one side plate portion of the other pair of side plate portions facing each other. The other top side flap part extended from the other side plate part of the other side plate part is formed with a locking part at the edge part on the extended end side of the one top side flap part extended from The top flap portion is bent into the main body portion so as to overlap the side plate portion, and is extended to the set of side plate portions. In the state of being folded so as to overlap the side plate portion, the other side plate portion of the other side plate portion of the other set that is folded inward by folding the set of side plate portions at the folding line and falling down to the inside of the main body portion. A locked portion to which the locking portion is locked is formed.

  In the present invention, a fold line is formed on the pair of opposing side plate portions obliquely from both ends of the ground side toward the top side. By folding the side plate portion according to the folding line and tilting the side plate portion to the inside of the main body portion, the box body can be folded while the ground side flap portion is closed and fixed. Further, after forming the locking portion on the top side flap portion extended to one side plate portion of the other set of side plate portions, forming the locked portion on the other side plate portion, and folding the box, The folded state of the box is held by the locking portion and the locked portion.

  The box according to the present invention is characterized in that the locked portion is a slit formed in the side plate portion.

  In the present invention, a slit is formed in the side plate portion, and the slit is used as the locked portion. Complicated processing is not required to provide the locked portion on the side plate portion.

  The box according to the present invention is characterized in that the locking portion is a cut piece formed by two cuts provided from the edge portion of the top flap portion to the center side.

  In the present invention, the cut piece is formed by providing two cuts in the top flap portion. The user inserts the cut piece into the slit after folding the box. The folded state of the box is maintained by the cut piece and the slit.

  Further, the box according to the present invention is characterized in that the locking portion is a tongue piece extending on an edge portion of the top flap portion.

  In the present invention, a tongue piece is provided at the edge of the top flap portion. The user inserts the tongue into the slit after folding the box. The folded state of the box is maintained by the tongue piece and the slit.

  Further, the box according to the present invention is a rectangular tube-shaped main body surrounded by four side plate portions, a top side flap portion extended from each side plate portion on one opening end side of the main body portion, and A ground side flap portion extending from each side plate portion on the other opening end side of the main body portion, and folding the flap portions on both sides inward of the main body portion to cover the openings at both ends of the main body portion, respectively. In such a box, each of the pair of side plate portions facing each other has a fold line formed obliquely from both ends of the ground side portion to the top side portion, and extends from the pair of side plate portions. The top side flap portion extended from one side plate portion of the top side flap portion and the other side plate portion is folded into the main body portion so as to overlap the side plate portion, and the set of side plate portions is The other set of folds inward by bending at the fold line and falling inside the main body. On the top side flap portion extending to the other side plate portion of the plate portion, insertable tongue between the side plate portions overlapping folded at the fold line, characterized in that the are is extended.

  In the present invention, a fold line is formed on the pair of opposing side plate portions obliquely from both ends of the ground side toward the top side. By folding the side plate portion according to the folding line and tilting the side plate portion to the inside of the main body portion, the box body can be folded while the ground side flap portion is closed and fixed. In addition, a tongue piece is formed on the edge of the top flap portion extended to the other side plate portion, and after folding the box body, the tongue piece is inserted between the side plate portions that are folded at the folding line and overlapped. , Keep the box folded.

  Further, in the box according to the present invention, when the top side flap portion provided on the set of side plate portions is folded so as to overlap the side plate portion, the side plate portion corresponds to the fold line. A fold line or a plurality of holes are provided.

  In the present invention, a folding line or a plurality of holes is provided at a position corresponding to the folding line of the top flap portion that overlaps the side plate portion on which the folding line is formed when the box is folded. When the side plate portion is folded according to the fold line and tilted to the inside of the main body portion, the top side flap portion can be easily folded along with the side plate portion according to the fold line or a plurality of holes.

  Further, the box according to the present invention is a portion corresponding to the space between the folding lines of the side plate portion when the top flap portion provided on the pair of side plate portions is bent so as to overlap the side plate portion. It is characterized by being cut out.

  In the present invention, when the box body is folded, a portion corresponding to the folding line of the top flap portion that overlaps the side plate portion on which the folding line is formed is cut out. When the side plate portion is bent according to the bending line and tilted to the inside of the main body portion, the overlapping top side flap portions do not hinder the folding.

  In the case of the present invention, the side plate portion is bent according to the fold line by forming a fold line obliquely from both ends of the ground side side to the top side side in the pair of opposing side plate portions, It is necessary to remove the sealing tape, adhesive, metal fittings, etc. that fix the ground side flap part because the side plate part can be folded inside the main body part and the box body can be folded while the ground side flap part is closed. The user can easily fold the box. In addition, a folded box is formed by forming a locking portion on the top side flap portion extending to one side plate portion of the other side plate portion and forming a locked portion on the other side plate portion. Since the folded state of the body can be held by the locking part and the locked part, it is possible to easily discard the box body folded by the user.

  In addition, in the case of the present invention, since the locked portion can be realized by simple processing by forming a slit in the side plate portion to be the locked portion, the locked portion is provided and folded. It is possible to suppress an increase in the cost of the box due to the fact that the box is provided with means for holding the box.

  Further, in the case of the present invention, by providing two cuts in the top side flap portion, by inserting a cut piece formed between the two cuts into the slit and maintaining the folded state of the box, Since the configuration is simple, the user can easily understand how to hold the folded state, and can easily hold the folded state. Moreover, the increase in the cost of a box by providing a box with the means to hold | maintain folding can be suppressed.

  Further, in the case of the present invention, the configuration is simple by extending the tongue piece at the edge portion of the top flap portion and inserting the tongue piece into the slit to maintain the folded state of the box. Therefore, the user can easily understand how to hold the folded state and can easily hold the folded state. Moreover, the increase in the cost of a box by providing a box with the means to hold | maintain folding can be suppressed.

  In the case of the present invention, the side plate portion is formed in accordance with the fold line by forming a fold line diagonally from both ends of the ground side to the top side on the pair of opposing side plate portions. Because the box can be folded with the side plate part folded inside and the ground side flap part closed, remove the sealing tape, adhesive or metal fittings to fix the ground side flap part. There is no need, and the user can easily fold the box. In addition, the tongue piece is formed between the overlapping side plate portions that are folded at the folding line by forming the tongue piece on the top side flap portion extending to one side plate portion of the other side plate portion. In addition, since the folded state of the box can be maintained, the box folded by the user can be easily discarded.

  Further, in the case of the present invention, when the box body is folded by providing a fold line or a plurality of holes at a position corresponding to the fold line of the top flap portion overlapping the side plate portion on which the fold line is formed. In addition, since the top flap portion and the side plate portion are overlapped with the side plate portion and the overlapped top flap portion and side plate portion can be easily folded according to the folding line, the user can easily fold the box.

  Further, in the case of the present invention, when the box is folded, the top side is formed by cutting out the corresponding portion between the folding lines of the top side flap part that overlaps the side plate part on which the folding line is formed. Since the flap portion can be overlapped with the side plate portion and the top flap portion can be easily folded according to the folding line, the user can easily fold the box.

(Embodiment 1)
Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof. 1A and 1B are perspective views showing a configuration of a box according to the present invention, in which FIG. 1A shows a state in which the lid of the box is closed, and FIG. 1B shows a state in which the upper lid of the box is opened. The illustrated box is a cardboard box having a substantially rectangular parallelepiped shape. In the figure, reference numeral 1 denotes a main body having a rectangular tube shape, which is composed of four substantially rectangular side plate portions 2a, 2b, 2c and 2d. The side plate portions 2a and 2c face each other, and the side plate portions 2b and 2d face each other. Further, the side plate portions 2b and 2d have a smaller area than the side plate portions 2a and 2c.

  Ground side flap portions 4a, 4b, 4c, and 4d (the ground side flap portion 4c is shown in FIG. 2) extend to one opening end side of the side plate portions 2a, 2b, 2c, and 2d constituting the main body portion 1, respectively. The top flap portions 3a, 3b, 3c, and 3d are extended from the other opening end side, respectively. Bend the ground side flaps 4b and 4d inward of the main body 1 and then bend the ground side flaps 4a and 4c inward of the main body 1 to close the opening on one side of the main body 1 and oppose the ground side By fixing the edge portions of the flap portions 4a and 4c with the sealing tape 12, the ground side flap portions 4a, 4b, 4c and 4d can be used as a bottom lid for sealing the opening on one side of the main body portion 1. it can. Similarly, after the opening on one side is sealed and the object to be stored is stored in the main body 1, the top flaps 3b and 3d are bent inward of the main body 1, and then the top flaps 3a and 3c are folded. Is folded inwardly of the main body 1 to close the opening on the other side of the main body 1 and the edge portions of the opposing top flaps 3a and 3c are fixed with the sealing tape 11, so that the top flap 3a, 3b, 3c, and 3d can be used as an upper lid that seals the opening on the other side of the main body 1.

  Further, two fold lines 25 and 26 are formed on the side plate portion 2b, and two fold lines 27 and 28 are formed on the side plate portion 2d. In addition, two perforated break lines 31 and 32 and two folding lines 33 and 34 are formed on the top flap portion 3c. Further, a substantially rectangular slit 36 is formed in the side plate portion 2a. These folding lines 25, 26, 27, 28, break lines 31, 32, and slit 36 will be described later.

  FIG. 2 is a development view showing the configuration of the box according to Embodiment 1 of the present invention. The box is formed by cutting a corrugated cardboard plate into the shape shown in FIG. 2, and further forming a folding line indicated by a one-dot chain line and a broken line indicated by a broken line in FIG. It can be used as a box shown in FIG. 1 by bending the cardboard according to this fold line and connecting a part thereof using an adhesive or a metal fitting.

  When the box is unfolded, the main body 1 is substantially rectangular, and the side plate portions 2a, 2b, 2c, and 2d are connected by three fold lines 21a, 21b, and 21c formed substantially parallel to the short side of the main body 1. It is divided into four sides. The fold line 21a forms a boundary between the side plate portions 2a and 2b, the fold line 21b forms a boundary between the side plate portions 2b and 2c, and the fold line 21c forms a boundary between the side plate portions 2c and 2d. Further, the side plate portions 2a, 2b, 2c, and 2d are substantially rectangular with the folding lines 21a, 21b, and 21c on the short side, and the lengths of the long sides of the side plate portions 2a and 2c are the lengths of the side plate portions 2b and 2d. It is longer than the side length. In the side plate portions 2b and 2d, the length of the long side is about twice the length of the short side.

  A substantially trapezoidal connection piece 6 is extended on the short side of the main body 1 on the side plate part 2 d side, and a fold line 21 d is formed at the boundary between the side plate part 2 d and the connection piece 6. The fold line 21d is substantially parallel to the fold lines 21a, 21b, and 21c. By bending the main body 1 in the same direction at the folding lines 21a, 21b, 21c, and 21d, and connecting the connecting piece 6 to the short side portion of the main body 1 on the side plate 2a side using an adhesive or metal fittings, The main body 1 has a rectangular tube shape.

  On both long sides of the side plate portions 2a, 2b, 2c, and 2d, top side flap portions 3a, 3b, 3c, and 3d and ground side flap portions 4a, 4b, 4c, and 4d are respectively extended and bent at the boundaries. Lines 22a, 22b, 22c and 22d and folding lines 23a, 23b, 23c and 23d are formed, respectively. The top side flap portions 3a, 3b, 3c, and 3d have a substantially rectangular shape with long sides on the side of the fold lines 22a, 22b, 22c, and 22d, and the ground side flap portions 4a, 4b, 4c, and 4d have fold lines 23a and 23b. , 23c and 23d are substantially rectangular on the long side. Moreover, the lengths of the short sides of the top side flap portions 3a, 3b, 3c, 3d and the ground side flap portions 4a, 4b, 4c, 4d are substantially equal, and the lengths of the long sides of the smaller side plate portions 2b, 2d are the same. About half.

  The side plate 2b is an abbreviation of the top long side (folding line 22b) in which the top flap 3b is extended from both ends of the bottom long side (folding line 23b) in which the ground side flap 4b is extended. Bending lines 25 and 26 are formed in the center, respectively. The fold lines 25 and 26 are formed so as to form an angle of about 45 degrees with the fold line 23b. Similarly, on the side plate portion 2d, the top long side (folding line 22d) in which the top flap portion 3d is extended from both ends of the bottom long side (folding line 23d) in which the ground side flap portion 4d is extended. ) Are formed so as to form an angle of about 45 degrees with the fold line 23d.

  Two break lines 31 and 32 that are substantially parallel to the short side are formed in the top flap portion 3c from the substantially central portion of the edge on the long side toward the center of the top flap portion 3c. The length of the break lines 31 and 32 is about 1/4 to 1/3 of the length of the short side of the top side flap part 3c. A cut piece 30 is formed in the top flap portion 3c by making a cut in the top flap portion 3c according to the breaking lines 31 and 32. Also, a fold line 34 is formed so as to connect the end of the center side of the top flap portion 3c of the break lines 31, 32, and the fold line 34 and the edge portion on the long side of the top flap portion A fold line 33 substantially parallel to the fold line 34 is formed at the intermediate position.

  The side plate portion 2a is formed with an elongated, substantially rectangular slit 36 parallel to the long side of the side plate portion 2a. The slit 36 has a distance from the top long side (folding line 22a) where the top flap part 3a of the side plate part 2a is extended to a distance between the folding line 33 and the folding line 22c of the top flap part 3c. Almost equal. Further, the length of the slit 36 is set to be slightly larger than the distance between the two break lines 31 and 32 formed in the top flap portion 3c.

  3 to 5 are perspective views showing a box folding method according to the first embodiment of the present invention, in which the folding method from (a) to (f) is illustrated in time series. When the box is folded for disposal, for example, first, the sealing tape 11 that seals the upper side of the box is removed, and all the objects to be stored stored in the box are taken out (see FIG. 3A). Next, the three top side flap portions 3a, 3b, and 3d are bent along the folding lines 22a, 22b, and 22d so as to contact the inner surfaces of the side plate portions 2a, 2b, and 2d, respectively, inside the main body portion 1 (FIG. 3). (See (b)).

  Next, the side plate portions 2 b and 2 d are tilted to the inside of the main body 1 while the side plate portions 2 b and 2 d are bent along the folding lines 25, 26, 27, and 28. Along with this, the side plate portions 2a and 2c fall to the inside of the main body portion 1 (see FIG. 4C). Until the outer surfaces of the side plate 2b between the fold lines 25 and 26 contact each other, the side plate 2b is tilted inside the main body 1 until the outer surfaces of the side plate 2d between the fold lines 27 and 28 contact each other. After the side plate portion 2d is tilted to the inside of the main body portion 1, a cut is made in the top flap portion 3c according to the breaking lines 31 and 32 of the top flap portion 3c, and a cut piece 30 is formed in the top flap portion 3c (FIG. 4 (d)).

  Next, the top flap portion 3c is brought into contact with the outer surface of the side plate portion 2a (see FIG. 5 (e)), and the cut piece 30 is inserted into the slit 36 formed in the side plate portion 2a (see FIG. 5 (f)). Thereby, since the top side flap part 3c is latched by the side-plate part 2a, it can prevent that the bending in the bending lines 25 and 26 and the folding lines 27 and 28 returns to the original state.

  The box having the above configuration can be folded into a substantially plate shape having a total area of the ground side flap portions 4a and 4c by performing the folding according to the procedure shown in FIGS. There is an advantage of easy disposal of the box. When the box is folded, the cut piece 30 of the top flap 3c can be inserted into the slit 36 of the side plate 2a and the folded state can be maintained, so that the box can be easily discarded. Further, since the box can be folded without removing the sealing tape 12 for fixing the edge portions of the ground side flap portions 4a and 4c, even if the fixing strength on the bottom side of the box is increased, the user can However, it is not difficult to fold the box.

  In the present embodiment, the box is made of corrugated cardboard. However, the present invention is not limited to this, and a box using other materials may be used. Moreover, although the shape of the box after the assembly is a rectangular parallelepiped, it is not limited to this, and may be a cube, for example. Moreover, although the length of the long side of the side plate portions 2b and 2d is about twice the length of the short side, the length is not limited to this, and the length of the long side is at least twice the length of the short side. I just need it. Moreover, although the structure which forms the bending lines 25, 26, 27, and 28 in the side-plate parts 2b and 2d was shown, you may form not only in this but in the side-plate parts 2a and 2c.

  Further, in the folding method shown in FIGS. 3 to 5, the top flaps 3b and 3d are folded inward of the main body 1. However, the present invention is not limited to this. You may make it contact the outer surface of 2d. Moreover, although the formation of the cut piece 30 of the top side flap part 3c was performed after the side plate parts 2b and 2d were brought down inside the main body part 1, it is not limited to this, and when the cut piece 30 is formed, Also good. Moreover, although the structure which forms the one cut piece 30 in the top side flap part 3c was shown, it is not restricted to this, It is good also as a structure which forms a some cut piece. In this case, a plurality of slits are formed in the side plate portion 2a in accordance with the number of cut pieces. Moreover, although the structure which forms the notch piece 30 by a user cutting the break lines 31 and 32 was shown, it is not restricted to this, As a structure where a cut is formed in advance instead of the break lines 31 and 32 Good.

  (Modification 1) FIG. 6 is a development view showing a configuration of a box according to Modification 1 of Embodiment 1 of the present invention. In the box according to the modified example 1, the folding line 41, 42 and the folding lines 43, 44 are added to the top flap part 3b extended to the side plate part 2b and the top flap part 3d extended to the side plate part 2d. Is formed. The folding lines 41 and 42 of the top side flap part 3b are symmetrical with the folding lines 25 and 26 formed on the side plate part 2b with the folding line 22b forming the boundary between the side plate part 2b and the top side flap part 3b in between. It is formed as follows. The folding lines 43 and 44 of the top flap portion 3d are symmetrical to the folding lines 27 and 28 formed on the side plate portion 2d with the folding line 22d forming the boundary between the side plate portion 2d and the top side flap portion 3d in between. It is formed to become.

  By forming the folding lines 41, 42, 43, and 44 in the top flap portions 3b and 3d as described above, the top flap portions 3b and 3d are folded when the box is folded by the method shown in FIGS. Is folded into the main body 1 and brought into contact with the inner surfaces of the side plate portions 2b and 2d, respectively, the fold lines 25 and 26 of the side plate portion 2b and the fold lines 27 and 28 of the side plate portion 2d are bent to the top side flap portion 3b. The lines 41 and 42 and the folding lines 43 and 44 of the top flap portion 3d overlap. For this reason, when the side plate portion 2b and the top side flap portion 3b are bent according to the folding lines 25 and 26, the side plate portion 2d and the top side flap portion 3d are bent according to the folding lines 27 and 28, respectively, There is an advantage that the user can easily bend.

  In the modification 1, the configuration in which the folding lines 41, 42, 43, and 44 are formed in the top side flap portions 3b and 3d is shown, but the configuration is not limited to this, and the configuration in which a perforation is formed instead of the folding line. Moreover, the structure of the modification 2 shown below may be sufficient.

  (Modification 2) FIG. 7 is a developed view showing a configuration of a box according to Modification 2 of Embodiment 1 of the present invention. In the box according to the second modification, a plurality of oblong holes 45, 45,..., 46, 46,... Are formed in the top flap portion 3b extending to the side plate portion 2b, and the side plate portion 2d has A plurality of oblong holes 47, 47... And 48, 48... Are formed in the extended top flap 3d.

  A plurality of long holes 45 in the top flap portion 3b are located at positions symmetrical to the bend line 25 formed in the side plate portion 2b with the bend line 22b forming the boundary between the side plate portion 2b and the top flap portion 3b in between. 45 ... are arranged in a line in the longitudinal direction. Similarly, a plurality of long holes 46 are formed in a line in the longitudinal direction at positions symmetrical to the folding line 26 with the folding line 22b in between.

  In addition, a plurality of long holes 47 in the top flap portion 3d are located symmetrically with the bend line 27 formed in the side plate portion 2d with the bend line 22d forming the boundary between the side plate portion 2d and the top flap portion 3d in between. , 47... Are arranged in a line in the longitudinal direction. Similarly, a plurality of elongated holes 48 are formed in a line in the longitudinal direction at positions symmetrical to the folding line 28 with the folding line 22d in between.

  In the box having the above-described configuration, a plurality of elongated holes 45, 45,..., 46, 46... Are formed instead of the fold lines 41 and 42 of the box shown in the first modification, and the fold lines 43 and 44 are replaced. Are formed with a plurality of elongated holes 47, 47... And 48, 48. Therefore, the box of the modification 2 can obtain the same effects as the box of the modification 1, and the side plate 2b and the top flap 3b are bent according to the folding lines 25 and 26, and the side plate 2d and the top There is an advantage that the user can easily bend the flap portion 3d when the flap portion 3d is bent along the folding lines 27 and 28 and each of the flap portions 3d is tilted to the inside of the main body portion 1.

  In the modification 2, the configuration in which the oblong oblong holes are formed side by side on the top side flap portions 3b and 3d is shown, but the present invention is not limited to this, and a perfect circle hole, a rectangular hole, or a triangular hole is provided. For example, holes having other shapes may be formed. Moreover, in FIG. 7, although the structure which formed four each long holes is illustrated, it is not restricted to this, You may form 5 or more or 3 or less long holes, It may be a perforated hole formed by arranging a number of finer holes.

  (Modification 3) FIG. 8 is a developed view showing a configuration of a box according to Modification 3 of Embodiment 1 of the present invention. The box according to the modified example 3 is provided with a notch 51 in which the extended end side of the top flap 3b extending to the side plate 2b is cut out in a substantially trapezoidal shape, and extends to the side plate 2d. A cutout portion 52 is provided in which the extended end side of the provided top flap portion 3d is cut out into a substantially trapezoidal shape.

  The notch 51 has a short side length of 1 from the folding line 22b so that the angle between the extended end of the top flap 3b and the short side of the top flap 3b is about 45 degrees. By cutting diagonally to a position where a distance of about ¼ to ３ is opened, and connecting these two cuts substantially parallel to the fold line 22b, the extended end side of the substantially rectangular top flap portion 3b is cut. It is a part cut out in a substantially trapezoidal shape. Similarly, the notch 52 is a portion obtained by cutting the top flap portion 3d into a substantially trapezoidal shape.

  By forming the notches 51 and 52 having the above-described configuration, when the top flaps 3b and 3d are bent inward of the main body 1 and brought into contact with the inner surfaces of the side plates 2b and 2d, the top flap 3b And the folding lines 25, 26, 27, and 28 formed in 3d and the diagonally cut portions of the cutout portions 51 and 52 formed in the top flap portions 3b and 3d coincide with each other. There are few bent portions of the top side flap portions 3b and 3d that have to be bent in accordance with the bending of the side plate portions 2b and 2d at 25, 26, 27, and 28, and there is an advantage that the user can easily fold the box.

(Embodiment 2)
FIG. 9 is a development view showing the configuration of the box according to Embodiment 2 of the present invention. When the box according to the second embodiment is developed, the main body 61 is substantially rectangular, and the side plate 62a is formed by three fold lines 21a, 21b, 21c formed substantially parallel to the short side of the main body 61. Divided into four surfaces 62b, 62c and 62d. The fold line 21a forms a boundary between the side plate portions 62a and 62b, the fold line 21b forms a boundary between the side plate portions 62b and 62c, and the fold line 21c forms a boundary between the side plate portions 62c and 62d. The side plate portions 62a, 62b, 62c, 62d are substantially rectangular with the short sides on the side of the folding lines 21a, 21b, 21c, and the lengths of the long sides of the side plate portions 62a, 62c are the lengths of the side plate portions 62b, 62d. It is longer than the side length. In the side plate parts 62b and 62d, the length of the long side is longer than twice the length of the short side.

  On both long sides of the side plate parts 62a, 62b, 62c, 62d, top side flap parts 63a, 63b, 63c, 63d and ground side flap parts 64a, 64b, 64c, 64d are respectively extended and bent at the boundaries. Lines 22a, 22b, 22c and 22d and folding lines 23a, 23b, 23c and 23d are formed, respectively. The top side flap portions 63a, 63b, 63c, and 63d are substantially rectangular with the long side of the fold lines 22a, 22b, 22c, and 22d, and the ground side flap portions 64a, 64b, 64c, and 64d are fold lines 23a and 23b. , 23c and 23d are substantially rectangular on the long side. The lengths of the short sides of the top side flap portions 63a, 63b, 63c, 63d and the ground side flap portions 64a, 64b, 64c, 64d are substantially equal, and the lengths of the long sides of the smaller side plate portions 62b and 62d are the same. About half.

  On the side plate portion 62b, fold lines 71 and 72 are formed from both ends of the fold line 23b toward the center of the fold line 22b so as to form an angle of about 45 degrees with the fold line 23b. Similarly, fold lines 73 and 74 are formed on the side plate portion 62d from both ends of the fold line 23d toward the center of the fold line 22d so as to form an angle of about 45 degrees with the fold line 23d. .

  Further, the top flap portion 63a is substantially parallel to the fold line 22a that forms a boundary with the side plate portion 62a, and the distance from the fold line 22a is substantially equal to the length of the short side of the side plate portion 62a. Thus, a fold line 75 is formed. Similarly, a fold line 76 is formed on the top side flap portion 63b, and a fold line 77 is formed on the top side flap portion 63d. In the box shown in FIG. 9, the length of the short side of the top side flap parts 63a, 63b, 63d is longer than the length of the short side of the side plate parts 62a, 62b, 62d, but the top side flap parts 63a, 63b, 63d By forming the folding lines 75, 76, 77, respectively, when folding the top flaps 63a, 63b, 63d to the inside of the main body 61, the top flaps 63a, 63b, Since 63d can be bent at the position of the bottom of the main body 61, there is an advantage that it is easy to bend.

The top flap portion 63c has a tongue piece 78 extending substantially at the center of the long side on the extended end side. The tongue 78 has a substantially trapezoidal shape that contracts in the extending direction. The side plate portion 62a is formed with an elongated, substantially rectangular slit 79 that is substantially parallel to the long side of the side plate portion 62a. In the slit 79, the distance H from the folding line 22a is a distance calculated from the following equation.
Distance H = (Length of short side of top flap portion 63c) − ((Length of long side of side plate portion 62b) −2 * (Length of short side of side plate portion 62b))
Further, the length of the slit 79 is set to be slightly larger than the maximum width of the tongue piece 78 of the top flap portion 63c.

  FIG. 10 is a perspective view showing a state in which the box according to Embodiment 2 of the present invention is folded. Since the box folding method according to the second embodiment is the same as the box folding method according to the first embodiment, illustration of each folding procedure is omitted. The box according to the second embodiment is folded by the procedure shown in FIGS. 3 to 5, and then replaced with the cut piece 30 of the box according to the first embodiment, and a tongue piece extending to the top flap portion 63c. By inserting 78 into the slit 79 formed in the side plate portion 62a, the folded state of the box is maintained. Further, after storing the objects to be stored in the box, when using the top side flap portions 63a, 63b, 63c, 63d as the upper lid of the box, the tongue piece 78 is bent inward so as to be stored in the box.

  In the box body having the above configuration, when the box body is folded, the tongue piece 78 of the top flap part 63c can be inserted into the slit 79 of the side plate part 62a so that the folded state can be maintained. Easier to dispose. Further, since the box can be folded without removing the sealing tape for fixing the edge portions of the ground side flap portions 64a and 64c, even when the fixing strength on the bottom side of the box is increased, the user can There is no difficulty in folding the box.

  In the second embodiment, the fold lines 75, 76, and 77 are formed on the top flap portions 63a, 63b, and 63d, respectively, but the present invention is not limited to this, and the fold lines 75, 76, and 77 are not limited thereto. The structure may not be formed. Moreover, although the length of the long side of the side plate portions 62b and 62d is longer than twice the length of the short side, it is not limited to this, and the length of the long side is twice the length of the short side. It may be. In this case, the folding lines 75, 76, 77 of the top side flap portions 63a, 63b, 63d need not be formed. Further, as shown in the first to third modifications of the first embodiment, a folding line, a plurality of long holes or notches may be formed in the top side flap portions 63b and 63d.

  In addition, since the other structure of the box concerning Embodiment 2 is the same as that of the box concerning Embodiment 1, the same code | symbol is attached | subjected to a corresponding location and detailed description is abbreviate | omitted.

(Embodiment 3)
FIG. 11 is a development view showing the configuration of the box according to Embodiment 3 of the present invention. When the box according to the third embodiment is developed, the main body 81 is substantially rectangular, and the side plate 82a is formed by three fold lines 21a, 21b, 21c formed substantially parallel to the short side of the main body 81. Divided into four surfaces 82b, 82c and 82d. The fold line 21a forms a boundary between the side plate portions 82a and 82b, the fold line 21b forms a boundary between the side plate portions 82b and 82c, and the fold line 21c forms a boundary between the side plate portions 82c and 82d. The side plate portions 82a, 82b, 82c, and 82d are substantially rectangular with the side of the fold lines 21a, 21b, and 21c being short sides, and the length of the long sides of the side plate portions 82a and 82c is the length of the side plate portions 82b and 82d. It is longer than the side length. In the side plate portions 82b and 82d, the length of the long side is longer than twice the length of the short side.

  On both long sides of the side plate portions 82a, 82b, 82c, and 82d, top side flap portions 83a, 83b, 83c, and 83d and ground side flap portions 84a, 84b, 84c, and 84d are extended and bent at the boundaries. Lines 22a, 22b, 22c and 22d and folding lines 23a, 23b, 23c and 23d are formed, respectively. The top side flap portions 83a, 83b, 83c, 83d are substantially rectangular with the long sides on the side of the fold lines 22a, 22b, 22c, 22d, and the ground side flap portions 84a, 84b, 84c, 84d are on the fold lines 23a, 23b. , 23c and 23d are substantially rectangular on the long side. The lengths of the short sides of the top side flap portions 83a, 83b, 83c, 83d and the ground side flap portions 84a, 84b, 84c, 84d are substantially equal, and the lengths of the long sides of the smaller side plate portions 82b and 82d are the same. About half.

  On the side plate portion 82b, fold lines 71 and 72 are formed from both ends of the fold line 23b toward the center of the fold line 22b so as to form an angle of about 45 degrees with the fold line 23b. Similarly, fold lines 73 and 74 are formed on the side plate portion 82d from both ends of the fold line 23d toward the center of the fold line 22d so as to form an angle of about 45 degrees with the fold line 23d. . Further, the top flap portion 83a is substantially parallel to the fold line 22a that forms a boundary with the side plate portion 82a, and the distance from the fold line 22a is substantially equal to the length of the short side of the side plate portion 82a. Thus, a fold line 75 is formed. Similarly, a fold line 76 is formed in the top side flap portion 83b, and a fold line 77 is formed in the top side flap portion 83d.

  On both short sides of the top side flap part 83c, tongue pieces 86, 86 are respectively provided on the extending end side of the top side flap part 83c. The tongue pieces 86 and 86 have a substantially trapezoidal shape that is reduced in the extending direction, and folding lines 87 and 87 are formed at the boundaries between the top flap portion 83c and the tongue pieces 86 and 86, respectively. The top flap portions 83b and 83d adjacent to the top flap portion 83c have a shape in which portions overlapping the tongue pieces 86 and 86 of the top flap portion 83c are cut out when the box is unfolded. Thereby, one cardboard board can be processed and a box can be manufactured.

  FIG. 12 is a perspective view illustrating a method for holding a box in a folded state according to Embodiment 3 of the present invention. Since the box folding method according to the third embodiment is the same as the box folding method according to the first embodiment, the illustration of each folding procedure is omitted. In FIG. 12, the top side flap portions 83a, 83b, and 83d are bent into the main body portion 81, the side plate portions 82b and 82d are bent along the folding lines 71, 72, 73, and 74, and are brought down to the inside of the main body portion 81. The state after the side plate portions 82a and 82c are tilted to the inside of the main body portion 81 is shown in (a), and then the state in which the box body is held folded is shown in (b).

  When the side plate portion 82b of the box is folded at the folding lines 71 and 72 and falls to the inside of the main body portion 81, the outer surfaces of the side plate portions 82b are in contact with each other, and similarly the side plate portion 82d is folded at the folding lines 73 and 74 When tilted to the inside of the portion 81, the outer surfaces of the side plate portions 82d are in contact with each other. Further, in this case, the top side flap part 83 c is the uppermost side of the folded box, and is superimposed on the side plate part 82 a that is tilted to the inside of the main body part 81. In this state, the tongue pieces 86, 86 extending to the top flap portion 83c are bent downward at the folding lines 87, 87, and inserted between the outer surfaces of the side plate portions 82b, 82d, which are in contact with each other. Thus, the tongue pieces 86, 86 are sandwiched and held between the side plate portions 82b, 82d, respectively, and the folded state of the box can be maintained.

  In the box of the above configuration, the tongue pieces 86, 86 of the top flap part 83c are inserted between the outer surfaces of the side plate parts 82b and 82d which are bent and contacted at the folding lines 71, 72 and 73, 74, Since the folded state of the box can be maintained, it is easy to discard the box. Further, since the box can be folded without removing the sealing tape for fixing the edge portions of the ground side flap portions 84a and 84c, even if the fixing strength on the bottom side of the box is increased, the user can There is no difficulty in folding the box. In addition, after storing the objects to be stored in the box, when the top flaps 83a, 83b, 83c, 83d are used as the upper lid of the box, the tongue pieces 86, 86 are moved inward so that they can be stored in the box. Just bend.

  In the third embodiment, the configuration in which the tongue pieces 86 and 86 are extended on both short sides of the top flap 83c is shown, but the present invention is not limited to this, and the tongue piece only on one of the short sides. It is good also as a structure which extends 86. FIG. Further, as shown in the first to third modifications of the first embodiment, the top flap portions 83b and 83d may be formed with a fold line, a plurality of elongated holes, or notches.

  In addition, since the other structure of the box which concerns on Embodiment 3 is the same as that of the box which concerns on Embodiment 2, the same code | symbol is attached | subjected to a corresponding location and detailed description is abbreviate | omitted.

It is a perspective view which shows the structure of the box which concerns on this invention. It is an expanded view which shows the structure of the box which concerns on Embodiment 1 of this invention. It is a perspective view which shows the folding method of the box which concerns on Embodiment 1 of this invention. It is a perspective view which shows the folding method of the box which concerns on Embodiment 1 of this invention. It is a perspective view which shows the folding method of the box which concerns on Embodiment 1 of this invention. It is an expanded view which shows the structure of the box which concerns on the modification 1 of Embodiment 1 of this invention. It is an expanded view which shows the structure of the box which concerns on the modification 2 of Embodiment 1 of this invention. It is an expanded view which shows the structure of the box which concerns on the modification 3 of Embodiment 1 of this invention. It is an expanded view which shows the structure of the box which concerns on Embodiment 2 of this invention. It is a perspective view which shows the state which folded the box which concerns on Embodiment 2 of this invention. It is an expanded view which shows the structure of the box which concerns on Embodiment 3 of this invention. It is a perspective view which shows the holding method of the folded state of the box which concerns on Embodiment 3 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main-body part 2a, 2b, 2c, 2d Side board part 3a, 3b, 3c, 3d Top side flap part 4a, 4b, 4c, 4d Ground side flap part 11, 12 Sealing tape 25, 26, 27, 28 Folding line 30 Cut piece 36 Slit 41, 42, 43, 44 Folding line 45, 46, 47, 48 Long hole 51, 52 Notch portion 61 Main body portion 62a, 62b, 62c, 62d Side plate portion 63a, 63b, 63c, 63d Top side flap Part 64a, 64b, 64c, 64d Ground side flap part 71, 72, 73, 74 Folding line 78 Tongue piece 79 Slit 81 Body part 82a, 82b, 82c, 82d Side plate part 83a, 83b, 83c, 83d Top side flap part 84a , 84b, 84c, 84d Ground side flap part 86 Tongue piece

Claims (7)

A rectangular cylindrical main body surrounded by four side plates, a top flap portion extending from each side plate on one opening end side of the main body, and another opening end side of the main body A ground side flap portion extending from each side plate portion, and a box body that is configured to bend the flap portions on both sides inward of the main body portion so as to cover the openings at both ends of the main body portion, respectively.
Each of the pair of side plates facing each other has a fold line formed obliquely from both ends of the ground side to the top side.
A locking portion is formed at the edge of the extended end side of one top side flap portion extending from one side plate portion of the opposite side plate portion of the other set,
The other top side flap portion extending from the other side plate portion of the other set of side plates is bent into the main body portion so as to overlap the side plate portion, and the top side extended to the one set of side plate portions. In a state where the flap portion is folded so as to overlap the side plate portion, the other set of side plate portions of the other set of side plates that are folded inward by bending the set of side plate portions along the folding line and falling down to the inside of the main body portion. A box body characterized in that a locked portion to which the locking portion is locked is formed on the side plate portion.   The box according to claim 1, wherein the locked portion is a slit formed in the side plate portion.   The box according to claim 1 or 2, wherein the locking portion is a cut piece formed by two cuts provided from an edge portion of the top flap portion to the center side.   3. The box according to claim 1, wherein the locking portion is a tongue piece extending to an edge portion of the top side flap portion. A rectangular cylindrical main body surrounded by four side plates, a top flap portion extending from each side plate on one opening end side of the main body, and another opening end side of the main body A ground side flap portion extending from each side plate portion, and a box body that is configured to bend the flap portions on both sides inward of the main body portion so as to cover the openings at both ends of the main body portion, respectively.
Each of the pair of side plates facing each other has a fold line formed obliquely from both ends of the ground side to the top side.
The top flap portion extended from the one set of side plate portions and the top flap portion extended from one side plate portion of the other set of side plate portions are folded into the main body portion so as to overlap the side plate portion. The top side flap portion extended to the other side plate portion of the other side plate portion that is folded inward by folding the one set of side plate portions at the folding line and falling down to the inside of the main body portion, A box body characterized in that a tongue piece that can be inserted is extended between side plate portions that are bent by a folding line and overlapped with each other.   The top flap portion provided on the set of side plate portions is provided with a fold line or a plurality of holes at a position corresponding to the fold line of the side plate portion when folded so as to overlap the side plate portion. The box according to any one of claims 1 to 5.   The top flap portion provided on the pair of side plate portions is cut out at a portion corresponding to the folding line of the side plate portion when folded so as to overlap the side plate portion. The box according to any one of 5.

Images