JP4816237B2 - Packaging box - Google Patents

Description

  The present invention relates to a substantially rectangular parallelepiped packaging box used for, for example, an individual packaging box for injection.

  2. Description of the Related Art In general, a substantially rectangular parallelepiped packaging box used for an individual packaging for injections is known which includes a box body and a cover plate that can be opened and closed with respect to the box body.

  Such a packaging box is configured such that the contents are packaged by sealing the cover plate, such as gluing or sticking the tape to the box body, but the cover plate is made of a plate material different from the box body. If it is to be retrofitted later, the overlapping portion and the tongue piece glued portion will increase, so that the lid plate is generally extended from the rear plate of the box body.

  For example, Patent Document 1 discloses a technique for an individual packaging box for injection, in which a cover plate is made of a plate material extending from a rear plate of a box body.

  In the individual packaging box for injections of Patent Document 1, the lid plate is provided so as to be openable and closable with respect to the box body around the fold as a fold at the connecting portion with the rear plate of the box body.

Further, a lid plate tongue piece extends from the tip of the lid plate, and this lid plate tongue piece is configured to be superposed on the inner surface of the front plate and glued.
JP 2000-217910 A

  However, in the individual packaging box for injection described in the above-mentioned Patent Document 1, the upper part of the front plate remains glued to the lid plate that is once opened by pushing the upper part of the front plate. It was not easy to open and close the plate again.

  In addition, there is a problem that external light leaks from the perforations provided on the upper part of the front plate, and the contents are exposed to the external light, and the opening opened on the upper part of the front plate becomes large. Even when the packaging box is closed again by overlapping the inner surface of the front plate, there is a problem that the outside light leaks from the opening and the contents are exposed to the outside light.

  Further, an opening zipper is generally adopted for the perforation. However, when the user opens the zipper before use, a work for discarding the separated zipper piece is involved, and a complaint has occurred.

  In order to avoid this problem, a light shielding plate is provided on the back of the opening to make the front plate have a double structure. If the lid plate is attached to the rear plate, the glued part and the front plate overlap. There was a problem that the number of parts increased and the material cost increased, and the packaging process increased, resulting in an increase in work time.

  The present invention has been made in view of the above problems, and not only can packaging and opening be performed easily, but also it is easy to open and close the lid plate once opened, and external light is emitted from the perforations and openings. It is an object to provide a packaging box that does not leak.

  Compared with a packaging box with a lid plate attached or a packaging box with a light-shielding plate at the opening of the front plate, there are few glued portions and overlapping portions of the front plate, and material costs can be reduced. It is also an object to provide a packaging box capable of reducing time.

The present invention for solving the above problems is a substantially rectangular parallelepiped packaging box provided with a box body and a lid plate provided so as to be openable and closable with respect to the box body. The bottom plate, the front plate, the rear plate, and the two side plates are integrally formed, and the lid plate extends from the rear plate of the box body, and the connecting portion with the rear plate is folded. A lid plate tongue piece that is provided so as to be openable and closable with respect to the box body with the fold as an axis and that can be bent and overlapped with the outer surface of the front plate is extended to the tip. When the tongue piece glued portion provided in a predetermined range of the lid plate tongue piece and glued to the front plate, the pulling margin provided on the lid plate side of the tongue piece glued portion, and this pulling margin are drawn, The base of the cover plate tongue piece glued to the front plate is separated from the tongue piece paste part so that the cover plate tongue piece is A pair of cleaved portions that induce breakage to the end, and inside the front plate so that the lid of the packaging box is closed with the cleaved portions separated from the tongue paste portion The front plate is provided at the upper end of the front plate and can be contacted from the outside by exposing the substantial center of the base of the lid plate tongue piece inserted inside the front plate. It is composed of a substantially rectangular sheet material having a notch, and at least part of the pulling margin is covered on the outer surface of the front plate in a state where the tongue paste portion is glued to the front plate. The cover plate is covered with the cover plate tongue piece, and the unsealed display is provided at a position where the base portion of the cover plate tongue piece is visible from the outside in a state of being inserted inside the front plate. It is a packaging box.

  According to the present invention, the lid plate tongue extending from the lid plate can be bent and overlapped on the outer surface of the front plate, and glued to the front plate at the location of the tongue piece pasting portion. Can be easily packaged. Moreover, the lid plate tongue piece can be separated from the tongue piece glued portion glued to the front plate by pulling the pulling margin and breaking the tearing portion, so the contents can be easily opened by opening the packaging box Things can be taken out.

  And since the cover-plate tongue piece isolate | separated from the tongue piece pasting part can be inserted in the inner side of a front board, the cover plate of the packaging box once opened can be opened and closed again.

  In particular, a front plate notch is provided at the upper end of the front plate so that it can come into contact with the base of the inserted lid plate tongue from outside, so that the cover plate tongue is removed and the packaging box is opened again. Is easier.

  Further, according to the present invention, since the cover plate tongue piece is configured to be separated by pulling the pull margin provided on the cover plate tongue piece, it is not necessary to push through the front plate. There is no leakage of external light from the opening, and there is no waste part such as an open zipper piece that occurs when the front plate is pushed and broken, and there is no need to separate waste before starting use.

  Furthermore, since the lid plate is provided so as to be openable and closable with respect to the box body with the fold line as a connecting portion with the rear plate of the box body, the packaging box with the lid plate retrofitted to the rear plate and In comparison, the glued portion can be reduced.

  In addition, the front plate is composed of a substantially rectangular sheet material, and the lid plate tongue is bent and overlapped on the outer surface of the front plate, so the packaging box is provided with a light shielding plate at the opening of the front plate Compared with, there are few overlapping parts of the front plate, and material costs can be saved.

Furthermore , in the state where the lid plate tongue is glued to the front plate, the unsealed display is covered with the outer lid plate tongue piece and cannot be seen, but the lid plate tongue piece is separated from the tongue piece glue portion, When it is in a state of being inserted inside, the opened display can be visually observed from the outside. As a result, since the opened packaging box can be recognized from the outside with the packaging box kept closed, the opened packaging box is not confused with the unopened packaging box.

  In addition, since the opened packaging box and the unopened packaging box are not confused in this way, for example, in the case of an individual packaging box for injections, the opened packaging box at the user's consumption place such as a medical institution. No longer cause a missing item claim by misunderstanding that it is unopened.

Here, the front plate notch portion and the pulling allowance are arranged side by side with the tongue piece glued portion glued to the front plate, and the unsealed display is displayed on the front plate notch portion. It is preferable that it is provided below.

  The pulling allowance is preferably formed by a portion surrounded by a substantially U-shaped cut portion provided in the lid plate tongue piece.

  In this case, since the pulling margin is formed by the portion surrounded by the substantially U-shaped cut portion provided in the lid plate tongue piece, there is no need to bother to attach the pull margin to the lid plate tongue piece. .

  In addition, a simple operation of pulling out and pulling a portion surrounded by the substantially U-shaped cut portion breaks the tearing portion from the base end of the pulling margin to the side end of the lid plate tongue piece, Can be opened.

  Here, it is preferable that the cover plate tongue piece includes a pull-out notch portion that exposes an edge portion of the pull allowance and can come into contact with the edge portion from the outside in the vicinity of the notch portion of the pull allowance. .

  In this way, a pull-out notch that can be contacted from the outside at the edge of the pull allowance is provided near the notch of the pull allowance, so the operation of pulling out the pull allowance is easier. Become.

  Moreover, it is preferable that the two side plates have side plate tongue pieces that can be folded at the front ends of the two side plates with a connecting portion with the side plate as a fold and can be overlapped with the lid plate.

  In this way, the side plate tongue piece provided at the tip of the side plate and the cover plate can be overlapped, so that external light does not enter between the upper end of the side plate and the cover plate, and the contents Can be prevented from being exposed to external light.

  Moreover, it is preferable that the pulling allowance is provided on the outer surface with a pull allowance display for indicating that it is a pull allowance.

  In this way, since the allowance display indicating that it is the allowance is provided on the outer surface of the allowance, it becomes easier to find the allowance, and as a result, it is easier to open the packaging box. Become.

  In addition, the pulling margin is a crease capable of folding the pulling margin to the outside of the packaging box in a state where the lid plate tongue is glued to the front plate, and between the pair of tearing portions at the base end portion of the pulling margin. It is preferable to have.

  In this way, since a crease capable of folding the pull allowance to the outside of the packaging box is provided between the pair of cleavage portions at the base end portion of the pull allowance, when the pull allowance is pulled out, Valley folds can be formed at the folds. As a result, a force is simultaneously applied to both sides of the pair of left and right cleaved portions so that they can be easily broken, and failure of the cleaved portions can be prevented.

  Further, the packaging box is provided between the bottom plate and the rear plate, and has a perforation capable of separating the bottom plate from the box body, and a breaker portion provided on the rear plate and capable of breaking the perforation. Are preferably provided.

  If it does in this way, the piercing part provided in the back board will be pushed and broken with a finger, and the perforation provided between the bottom board and the back board will be cleaved with the finger as it is, and the bottom board will be cleaved from the box body. As a result, the used packaging box can be folded and discarded.

  As described above, according to the present invention, the lid plate tongue piece separated from the tongue piece paste portion can be inserted into the front plate, so that the lid plate of the once opened packaging box can be opened and closed again. become able to.

  In particular, a front plate notch is provided at the upper end of the front plate so that it can come into contact with the base of the inserted lid plate tongue from outside, so that the cover plate tongue is removed and the packaging box is opened again. Is easier.

  Further, according to the present invention, since the cover plate tongue piece is configured to be separated by pulling the pull margin provided on the cover plate tongue piece, it is not necessary to push through the front plate. There is no leakage of external light from the opening, and there is no waste part such as an open zipper piece that occurs when the front plate is pushed and broken, and there is no need to separate waste before starting use.

  In addition, since the lid plate is provided so as to be openable and closable with respect to the box body with the fold line as a connecting portion with the rear plate of the box body, the packaging box with the lid plate retrofitted to the rear plate and In comparison, the glued portion can be reduced.

  In addition, the front plate is composed of a substantially rectangular sheet material, and the lid plate tongue is bent and overlapped on the outer surface of the front plate, so the packaging box is provided with a light shielding plate at the opening of the front plate Compared with the above, there are few overlapping portions of the front plate, so that the material cost can be reduced and the working time can be shortened.

  Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing a configuration of a packaging box 1 according to an embodiment of the present invention, and shows a state before the cover plate 3 is glued to the front plate 9. FIG. 2 is a development view of the packaging box 1 according to the embodiment of the present invention, and shows the inner surface of the packaging box 1. FIG. 3 is a perspective view of the packaging box 1 showing a state in which the cover plate 3 is glued to the front plate 9. 4 is a perspective view of the packaging box 1 showing a state in which the cleaving portion 7 is broken and the base portion 4b of the lid plate tongue piece 4 is separated from the tongue piece paste portion 5, and FIG. It is a perspective view of the packaging box 1 which shows the state in which the tongue piece 4 was inserted inside the front board 9. FIG.

  1 to 5, a packaging box 1 according to the illustrated embodiment of the present invention is a substantially rectangular parallelepiped packaging box 1 used for an individual packaging box for injection, and includes a box body 2 and The lid body 3 is provided so as to be openable and closable with respect to the box body 2. The cover plate 3 includes a cover plate tongue piece 4, a tongue piece paste portion 5 provided on the cover plate tongue piece 4, a pulling allowance 6, and a pair of tearing portions 7. FIG. 3 shows a state in which the front plate 9 is overlapped on the outer surface before the cleaved portion 7 is broken (FIG. 3), a state in which the cleaved portion 7 is broken (FIG. 4), and the cleaved portion 7 is broken. After that, the state can be changed to the state (FIG. 5) inserted into the front plate 9.

  The box body 2 is formed by bending a sheet of paper as shown in FIG. 2 into a box shape. The side plate tongue piece 11c is folded inward, and the front plate tongue piece 9b is in front. The plate tongue piece paste portion 9c is glued to the rear plate tongue piece paste portion 10c of the rear plate tongue piece 10b, whereby a substantially rectangular bottom plate 8 is formed. In addition, the bottom plate 8, the front plate 9, the rear plate 10, and the two side plates 11 are integrated upward by further bonding the rear plate glued portion 10 d to the end portion of the one side plate 11. A substantially rectangular parallelepiped box having an opening 2a is formed. The main body 2 is configured such that an injection as a product can be taken in and out from the opening 2a.

  Here, the front plate 9 is provided with a front plate paste portion 9a to which the tongue piece paste portion 5 is glued. The front plate gluing portion 9a is glued only at the front end portion of the tongue piece gluing portion 5 in order to facilitate assembly automation (the front plate gluing portion 9a has a front end extending from the front end of the tongue piece gluing portion 5). It is preferably about 5 mm on the cover plate 3 side).

  Further, a front plate notch portion 9d is provided at the upper end of the front plate 9, and the base portion 4b of the cover plate tongue piece 4 in a state of being inserted into the front plate 9 through the front plate notch portion 9d. It is possible to make contact with the outside by exposing the approximate center.

  Further, the front plate 9 is provided with an unsealed display 9e of the packaging box 1 at a location above the front plate gluing portion 9a and below the front plate notch portion 9d. In the state where the lid plate tongue 4 is glued to the front plate 9, the unsealed display 9e is covered with the lid plate tongue 4 and cannot be visually observed from the outside. On the other hand, as shown in FIG. In the state where the plate tongue piece 4 is inserted inside the front plate 9, it can be visually observed from the outside. Thus, the unsealed display 9e can be visually observed from the outside so that the packaging box 1 is It is easy to understand that it has been opened.

  Further, the rear plate 10 is a plate material that constitutes a surface facing the front plate 9 in the packaging box 1, and the lid plate 3 can be opened and closed with the connecting portion 10 a with the lid plate 3 as a fold. keeping.

  Moreover, the two side plates 11 have side plate tongues 11b that can be folded and overlapped with the lid plate 3 at the upper ends of the two side plates 11 with the connecting portion 11a connected to the side plate 11 as a fold.

  The lid plate 3 extends from the rear plate 10 of the box body 2 and is provided so as to be openable and closable with respect to the box body 2 with the connecting portion 10a connected to the rear plate 10 as a fold. Yes.

  The lid plate tongue 4 is a portion extending at the tip of the lid plate 3 so that the lid plate tongue 4 can be bent with respect to the lid plate 3 and overlapped with the outer surface of the front plate 9. (Fig. 3).

  The tongue piece gluing portion 5 is a portion provided in a predetermined range of the lid plate tongue piece 4. The tongue piece gluing portion 5 is superimposed on the outer surface of the front plate 9, and is glued to the front plate gluing portion 9a. It has come to be. Here, the predetermined range is a range in which α shown in FIG. 2 is not too short or too long, and the cleavage portion 7 can be easily cleaved without increasing the cost, and α is short. When too much, the angle of the cleavage part 7 cannot be taken (approaching 180 degree | times with respect to a crease | fold), Therefore It becomes difficult to cleave. On the other hand, if the length is too long, the area of the paper increases and the cost increases.

  The pulling allowance 6 is a tongue-like portion provided on the lid plate tongue piece 4 on the lid plate 3 side of the tongue piece paste portion 5. The pull margin 6 is formed by a portion surrounded by a substantially U-shaped cut portion 6a, and a pull allowance 6 display 6b (FIG. 3) indicating that the pull allowance 6 is printed on the outer surface. Then, by pulling the pull allowance 6, the base 4b of the cover plate tongue piece 4 can be separated from the tongue piece pasting portion 5 and the packaging box 1 can be opened (FIG. 4).

  Further, the cover plate tongue piece 4 has a pull-out notch of the cover plate tongue piece 4 that is exposed in the vicinity of the notch 6a of the pull-off allowance 6 so that the edge of the pull-off allowance 6 can be exposed from the outside. A portion 6c is provided.

  The cleaving portion 7 is formed so that the base portion 4b of the lid plate tongue piece 4 glued to the front plate 9 is separated from the tongue piece paste portion 5 when the drawing allowance 6 is pulled. A perforation that induces breakage from the base end 6 d to the side end 4 a of the cover plate tongue 4 and is provided on both sides of the pull allowance 6.

  Here, the pulling allowance 6 includes a pair of creases 6e that can bend the pull allowance 6 to the outside of the packaging box 1 in a state where the cover plate tongue 4 is glued to the front plate 9 at the base end portion of the pull allowance 6. It has between the cleavage parts 7. In this way, when the pulling allowance 6 is pulled out, a valley fold is formed at the crease 6e, and a force is simultaneously applied to the base ends of the pair of cleaved portions 7 that induce breakage. Can be easily broken, and breakage failure of the cleaving portion 7 can be reduced.

  And the lid plate tongue piece 4 is inserted into the front plate 9 in a state where it is separated from the tongue piece pasting portion 5 with this tearing portion 7 as a boundary, and the lid plate 3 of the packaging box 1 is closed. (Fig. 5).

  The packaging box 1 is provided between the bottom plate 8 and the rear plate 10, and is provided with a perforation 12 capable of separating the bottom plate 8 from the box body 2 and the rear plate 10, and the perforation 12 is broken. And a possible piercing part 13. Then, the piercing portion 13 provided in the rear plate 10 is pushed and broken with a finger, and the perforation 12 provided between the bottom plate 8 and the rear plate 10 is cleaved with the finger as it is to remove the bottom plate 8 from the box body 2. By tearing, the used packaging box 1 can be folded and discarded.

  Next, with reference to FIGS. 1-5, the effect | action of the packaging box 1 which concerns on embodiment of this invention is demonstrated.

  In the packaging box 1 according to the embodiment of the present invention, as shown in FIG. 1, before the cover plate 3 is glued to the front plate 9, the injection as a product is stored from the opening 2 a of the box body 2. Is done.

  Next, as shown in FIG. 3, the two side plate tongues 11 b are folded with the connecting portion with the side plate 11 as a fold and overlapped with the cover plate 3, and the cover plate 3 is the rear plate 10 of the box body 2. With the fold as a fold, the box body 2 is closed with this fold as an axis, and the tongue piece glue portion 5 and the front plate glue portion 9a of the front plate 9 are glued together. Packaging is performed. At this time, the unsealed display 9e is covered with the cover plate tongue piece 4 in a state where the cover plate tongue piece 4 is glued to the front plate 9.

  Thereafter, the packaging box 1 is covered with a film made of polypropylene or the like, as required, to perform exterior packaging.

  When the packaging box 1 is opened, first, after the exterior of the polypropylene film or the like is removed, the pulling allowance 6 on which the pull allowance 6 display 6b is printed is pulled to be provided on both sides of the pull allowance 6. The perforation 7 is broken. Then, the base part 4b of the cover plate tongue piece 4 is separated from the tongue piece pasting part 5 by breaking the tearing part 7 from the base end 6d of the pulling allowance 6 to the side end 4a of the cover plate tongue piece 4, and the packaging box 1 is opened.

  At this time, the pulling allowance 6 is pulled by coming into contact with the edge of the pulling allowance 6 from outside through the pulling allowance notch 6 c provided in the vicinity of the notch 6 a of the pulling allowance 6.

  Thus, by the operation of pulling the pulling allowance 6, the cleavage portion 7 is broken, and the base portion 4b of the lid plate tongue piece 4 glued to the front plate 9 is separated from the tongue piece glue portion 5.

  Then, as shown in FIG. 4, by taking the connecting portion 10a with the rear plate 10 as a fold, and opening the lid plate 3 around this fold as an axis, it is possible to take out the injection as a product.

  Further, as shown in FIG. 5, with the connecting portion as a fold, the lid plate 3 is closed with the fold as an axis, and the lid plate tongue piece 4 separated from the tongue piece paste portion 5 is attached to the inner side of the front plate 9. By inserting it into the cover plate 3, the cover plate 3 of the packaging box 1 can be closed again.

  At this time, the unsealed display 9e can be viewed from the outside in a state where the cover plate tongue 4 is inserted inside the front plate 9, so that it is determined that the packaging box 1 has been unsealed.

  Further, when the injection is taken out again, it is placed outside the approximate center of the base 4b of the lid plate tongue piece 4 inserted inside the front plate 9 through the front plate notch 9d provided at the upper end of the front plate 9. The lid plate tongue piece 4 is extracted, the connecting plate 10a with the rear plate 10 is used as a fold, and the lid plate 3 is opened with the fold as an axis, whereby the injection as a product can be taken out. .

  When the packaging box 1 is emptied, the piercing portion 13 provided on the rear plate 10 is pushed with a finger, and the perforation 12 provided between the bottom plate 8 and the rear plate 10 is broken with the finger as it is. The bottom plate 8 is opened from the box body 2, and the used packaging box 1 is folded and discarded.

  As described above, according to the packaging box 1 according to the embodiment of the present invention, the cover plate tongue piece 4 extending on the cover plate 3 is bent and overlapped on the outer surface of the front plate 9, Since it can glue on the front board 9 in the location of the gluing part 5, the contents can be packaged easily. Further, by pulling the pulling allowance 6 and breaking the cleaving portion 7, the lid plate tongue 4 can be separated from the tongue piece glued portion 5 glued to the front plate 9, so that the packaging box can be easily The contents can be taken out by opening 1.

  And since the cover-plate tongue piece 4 isolate | separated from the tongue piece pasting part 5 can be inserted in the inner side of the front board 9, the cover plate 3 of the packaging box 1 once opened can be closed again.

  Further, a front plate notch portion 9d is provided at the upper end of the front plate 9 so that it can come into contact with the base portion 4b of the cover plate tongue piece 4 in the inserted state, so that the cover plate tongue piece 4 is extracted. It becomes easier to open the packaging box 1 again.

  Furthermore, according to this packaging box 1, since it is comprised so that the pulling allowance 6 provided in the cover plate tongue piece 4 may be pulled and the cover plate tongue piece 4 may be isolate | separated, it is necessary to push through the front plate 9. As a result, there is no leakage of external light from the perforation or opening, and there is no waste portion such as an opening zipper piece that occurs when the front plate 9 is pushed and broken, and there is no need to separate waste before starting use.

  Further, since the lid plate 3 is provided so as to be openable and closable with respect to the box body 2 with the connecting portion 10a connected to the rear plate 10 of the box body 2 as a fold, the lid plate 3 is attached to the rear plate. Compared with the packaging box 1 attached later, the tongue piece paste portion 5 can be reduced.

  Further, since the front plate 9 is composed of a substantially rectangular sheet material, and the lid plate tongue 4 is bent and overlapped on the outer surface of the front plate 9, a light shielding plate is provided on the opening portion of the front plate 9. Compared with the provided packaging box 1, there are few overlapping parts of the front board 9, and material cost can be reduced.

  Further, according to this packaging box 1, in the state where the lid plate tongue 4 is glued to the front plate 9, the unsealed display 9e is covered with the outer lid plate tongue 4 and cannot be seen. When the base portion 4b of 4 is separated from the tongue paste portion 5 and inserted into the front plate 9, the unsealed display 9e can be viewed from the outside. As a result, the opened packaging box 1 can be recognized from the outside while the packaging box 1 is closed, so that the opened packaging box 1 and the unopened packaging box 1 are not confused. .

  In addition, since the opened packaging box 1 and the unopened packaging box 1 are not confused in this way, for example, in the case of an individual packaging box for injection as in this embodiment, a user such as a medical institution There is no longer a case where the opened packaging box 1 is mistaken as unopened at the consumption place and a shortage claim is generated.

  Further, since the pull margin 6 is formed by a portion surrounded by a substantially U-shaped cut portion 6 a provided in the lid plate tongue piece 4, it is necessary to bother to attach the pull margin 6 to the lid plate tongue piece 4. Absent.

  Further, the cleavage portion 7 from the base end 6d of the pulling allowance 6 to the side end 4a of the cover plate tongue piece 4 can be formed by a simple operation of pulling out and pulling a portion surrounded by the substantially U-shaped cut portion 6a. It can be broken and the packaging box 1 can be opened.

  Moreover, according to this packaging box 1, since the drawing margin notch part 6c which can be contacted from the outside is provided in the edge part of the drawing allowance 6 in the vicinity of the notch part 6a of the drawing allowance 6, the drawing allowance 6 is set. The operation of pulling out becomes easier.

  Moreover, according to this packaging box 1, since the side plate tongue piece 11b provided at the front-end | tip of the side plate 11 and the cover plate 3 can be piled up, it is outside light from between the upper end of the side plate 11 and the cover plate 3. Does not enter, and the contents can be prevented from being exposed to outside light.

  Moreover, according to this packaging box 1, since the allowance allowance 6 display 6b which displays that it is the allowance allowance 6 is provided in the outer surface of the allowance allowance 6, it becomes easy to find the allowance allowance 6 as a result. It becomes easier to open the box 1.

  Moreover, since the crease 6e which can bend | fold the pull margin 6 to the outer side of the packaging box 1 is provided between the pair of cleavage parts 7 in the base end part of the pull allowance 6, the pull allowance 6 was pulled out. Sometimes a valley fold can be formed at the crease 6e. As a result, a force is simultaneously applied to both sides of the pair of left and right cleaved portions 7 so that they can be easily broken, and failure of the cleaved portions 7 can be prevented.

  Further, the piercing portion 13 provided on the rear plate 10 is pushed and broken with a finger, and the perforation 12 provided between the bottom plate 8 and the rear plate 10 is cleaved with the finger as it is to remove the bottom plate 8 from the box body 2. By tearing it open, the used packaging box 1 can be folded and discarded.

  The above-described embodiment is merely a preferred specific example of the present invention, and the present invention is not limited to the above-described embodiment.

  For example, the packaging box 1 which concerns on embodiment of this invention is not necessarily limited to the packaging box 1 employ | adopted as the individual packaging box for injections. It can be applied to the packaging of foods, industrial products and other various articles.

  Further, the material of the packaging box 1 is not limited to the paper sheet material. Plastic sheets and other various materials can be used. Moreover, the packaging box 1 does not necessarily need to be covered with a polypropylene film or the like.

  Furthermore, the packaging box 1 is not necessarily limited to the illustrated shape. For example, FIG. 6 is a perspective view showing a modified example of the packaging box 1 according to the embodiment of the present invention, and the packaging box 21 according to this modified example has a tongue piece gluing portion 25, a pulling allowance 26, and a pair of Other configurations and operations are the same as those of the packaging box 1 except that the shape of the cleaving portion 27, the front plate cutout portion 29b, and the like are formed linearly.

  Further, when storing the injection as a product, it is not always necessary to store the injection from the opening 2 a of the box body 2. For example, the two side plate tongue pieces 11b and the cover plate 3 are first folded and overlapped, and after the tongue piece paste portion 5 and the front plate paste portion 9a of the front plate 9 are glued, the bottom opening Injectables that are products may be stored. In this case, after the injection which is a product is stored from the bottom side opening, the side plate tongue piece 11c is folded inward, and the front plate tongue piece paste portion 9c of the front plate tongue piece 9b is used as the rear plate tongue piece 10b. The packaging box 1 is assembled by being glued to the rear plate tongue piece gluing portion 10c.

  In addition, it goes without saying that various design changes are possible within the scope of the claims of the present invention.

It is a perspective view which shows the structure of the packaging box which concerns on embodiment of this invention. It is an expanded view of the packaging box which concerns on embodiment of this invention. It is a perspective view of the packaging box which shows the state by which the cover plate was glued to the front plate. It is a perspective view of the packaging box which shows the state by which the cleavage part was fractured | ruptured and the base part of the cover-plate tongue piece was isolate | separated from the tongue piece pasting part. It is a perspective view of the packaging box which shows the state by which the cover board tongue piece was inserted inside the front board. It is a perspective view which shows the modification of the packaging box which concerns on embodiment of this invention.

DESCRIPTION OF SYMBOLS 1 Packaging box 2 Box main body 3 Cover plate 4 Cover plate tongue piece 4a Side end 4b Base part of cover plate tongue piece 5 Tongue piece paste part 6 Lead allowance 6
6a Notch 6b Pull allowance 6 display 6c Pull allowance notch 6d Base end 6e Crease 7 Tear 8 Bottom plate 9 Front plate 9d Front plate notch 9e Opened display 10 Rear plate 11 Side plate 11b Side plate tongue piece 12 Perforation 13 Breaking part

Claims (8)

A substantially rectangular parallelepiped packaging box provided with a box body and a lid plate that can be opened and closed with respect to the box body,
The box body is composed of a substantially rectangular bottom plate, a front plate, a rear plate, and two side plates, respectively.
The lid plate extends from the rear plate of the box body, and is provided so as to be openable and closable with respect to the box body around the fold as a fold at the connecting portion with the rear plate. A lid plate tongue that can be superimposed on the outer surface of the plate extends to the tip,
This lid plate tongue
A tongue piece glued portion provided in a predetermined range of the lid plate tongue piece and glued to the front plate;
Pull margin provided on the side of the lid plate of the tongue paste portion,
When this pulling allowance is pulled, breakage is induced from the base end of the pulling allowance to the side end of the cover plate tongue so that the base of the cover tongue that is glued to the front plate is separated from the tongue paste. And a pair of cleaved parts to
It is formed so that it can be inserted inside the front plate so that the lid of the packaging box is in a closed state in a state where it is separated from the tongue paste portion with this tearing portion as a boundary,
The front plate is provided at the upper end of the front plate, and is provided with a front plate notch that can be contacted from the outside by exposing the substantial center of the base portion of the lid plate tongue piece inserted into the front plate. is constructed with a single sheet of rectangular,
The outer surface of the front plate is covered with the lid plate tongue so that at least a part thereof is covered by the pulling margin in a state in which the tongue piece glued portion is glued to the front plate. A packaging box , wherein an unsealed display is provided at a position where the base is visible from the outside with the base inserted inside the front plate . In a state in which the tongue glued portion is glued to the front plate, the The front plate cutout portion and the pull allowance, they are arranged side by side vertically, the saved display, below the front plate notch The packaging box according to claim 1, wherein the packaging box is provided.   The packaging box according to claim 1, wherein the pulling allowance is formed by a portion surrounded by a substantially U-shaped cut portion provided in the lid plate tongue piece.   The cover plate tongue piece is provided with a pull-out notch portion in the vicinity of the cut-out portion of the pull-off allowance so that an edge of the pull-out allowance is exposed and can be brought into contact with the edge from the outside. Item 4. A packaging box according to item 3.   5. The side plate tongue piece according to claim 1, wherein each of the two side plates has a side plate tongue piece that can be folded at a joint portion with the side plate at a front end thereof and can be overlapped with the lid plate. Crab packaging box.   The packaging box according to any one of claims 1 to 5, wherein the pulling allowance is provided on the outer surface with a pull allowance display indicating that the pulling allowance is a pulling allowance.   The pulling margin has a crease that can be folded to the outside of the packaging box with the lid plate tongue glued to the front plate, between the pair of tearing portions at the base end of the pulling margin. The packaging box according to any one of claims 1 to 6, wherein the packaging box is provided. A perforation provided between the bottom plate and the rear plate and capable of separating the bottom plate from the box body, and a piercing portion provided on the rear plate and capable of breaking the perforation. A packaging box according to any one of claims 1 to 7.

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