JP5620317B2 - Packaging container - Google Patents

Description

  The present invention relates to a packaging container that is formed of a paperboard or a plastic material, and includes a container body having an upper surface as an opening and a lid that covers the opening of the container body so that the opening can be opened and closed.

  Conventionally, it consists of a block-shaped container body whose upper surface is an opening, and a lid body that covers the opening of the container body so that it can be opened and closed, and many packaging containers each of which is formed from paperboard are in circulation. In order to allow the consumer to easily close the opening again after removing some of the contents stored in the container body, the lid is placed on one side wall of the container body on the four sides. There are connected packaging containers.

  In particular, in paper products that store powder such as powdered soap and are easy to incinerate when the container is discarded, the lid that covers the opening of the container body corresponds slightly to the opening. A top plate having a large size and a corresponding hanging wall are provided around the top plate and corresponding to the upper outer surface of the side wall around the opening of the container body. Then, a hinge part is constructed by sticking the lower end of the hanging wall, which is the back side of the lid, to the upper outer surface of the one side wall that is the back side of the container body, and the lid is opened around the hinge part. The hanging wall is positioned so as to cover the periphery of the opening of the container body by covering the opening with the lid after taking out the stored items from the container body of the product once opened. It is designed to make it difficult for items to spill out during handling such as carrying the product in a state.

  In a packaging container in which such a lid body is connected so as to be openable and closable via a hinge part so as to cover the opening of the container body, when the lid is repeatedly opened and closed for use on the general consumer side, For example, the lid over the opening tends to be slightly lifted because the hanging wall on the hinge side is bent and wrinkled. Therefore, as shown in Patent Document 1 and Patent Document 2, a tongue-shaped locking piece that is bent to the front side through a folding portion is provided at the top of the side wall that is the front surface of the container body. The locking part to be engaged with the locking piece is formed by a folded piece that is folded back on the inner surface of the wall on the front side of the lid, or a plate piece is pasted on the inner surface of the wall on the front side of the lid. A locking step portion is formed by wearing, etc., and the closure piece is engaged with the folded piece or the locking step portion when the lid is closed, so that the closed state of the lid is appropriate. Has been proposed.

Microfilm of actual application No. 48-107330 (Japanese Utility Model Publication No. 50-053322) JP 2007-1119060 A

  In the technique disclosed in Patent Document 1 above, as a locking piece that can be raised and lowered by folding a tongue piece from the upper end of a side wall that is the front of the container body to the front side, a folded piece of a lid is attached to the locking piece. This engagement relationship is formed at the time of the manufacturing stage when the container is assembled as a product. Similarly, in the technique disclosed in Patent Document 2, a portion to be a locking piece is folded back from the upper end of the side wall that is the front of the container body to the front side, and a perforation is cut out at the lower end of the locking piece. The lock pieces connected via the tape are attached to the inner surface of the front wall of the lid, and the container is manufactured as a product in this state.

  However, in the above-described conventional technology, since the locking piece, which is a structure that can be freely raised and lowered, is positioned between the side wall in front of the container body and the wall in front of the lid, the distribution of the container If careless handling is performed at this stage, there is an inconvenience that the gap between the front wall portion of the lid body and the front side wall surface of the container body can be easily opened.

  From such a point, a lid body having a hanging wall around the top plate described above is attached to a box-shaped container body via a hinge portion, and the lid body covers the opening on the top surface of the container body so that it can be opened and closed. In this packaging container, a locking piece is formed by cutting or the like in a part on the upper side of the side wall on the front side of the container body. In addition, a part of the upper side of the side wall is also attached to the hanging wall on the front side of the lid, and the attached part is cut out so as to come out of the side wall when the lid is opened and surrounded by perforations, etc. Then, when the lid is first opened (when opened), the sticking part comes out of the container body and becomes a lock piece, and at the time of resealing, the lock piece is engaged with the engagement piece formed in the front side cut. A device that made it possible was proposed.

  In this way, the portion that becomes the locking piece and the portion that becomes the lock piece are formed in one side wall of the container body, and the portion that becomes the lock piece is adhered to the hanging wall of the lid, In this stage, there is an advantage that a gap is hardly generated between the side wall of the container body and the drooping wall of the lid.

  However, in this case, in order to make a form that can be resealed by general consumers, it is necessary to fold up the portion of the locking piece using a fingertip or the like, and there is a need for improvement in this regard. It was.

  Therefore, the present invention has been made in consideration of the above problems, and there is a portion that becomes a locking piece and a portion that becomes a locking piece in one side wall of the container body, and when the lid is first opened. In a packaging container in which a portion to be a lock piece comes out of the one side wall, and the obtained lock piece engages with a locking piece on the container body side at the time of resealing, the first opening of the lid The object is to cause the locking piece to be caused by the operation, and the purpose is to eliminate the operation of causing the locking piece on the consumer side.

The present invention has been made in consideration of the above problems, and is connected to a side wall of a block-like container main body having an opening on the upper surface via a hinge part so that the opening can be opened and closed. A packaging container having a hanging wall corresponding to the upper outer surface of the side wall of the container main body.
In the region corresponding to the hanging wall of the lid on the side wall opposite to the side wall on which the hinge portion is located,
An engagement piece forming area is surrounded by a crease and a cut line protruding from the crease toward the lower side of the container body, and an engagement piece having a crease position as a fold origin is formed by dividing the cut line. A locking piece forming portion formed so as to be able to undulate,
The lock piece forming region is surrounded by the cut line of the boundary and the cut line that is continuous with the cut line of the boundary. And a lock piece forming portion formed so that the lock piece can be separated from the side wall by dividing the cut line surrounding the lock piece forming region,
The lock piece forming portion is attached to the hanging wall opposite to the hinge portion of the lid, and a locking piece is caused along with the lock piece separated from the side wall by opening the lid, Providing a packaging container characterized in that the locking piece and the locking piece are separated by dividing at the boundary cut line to form a locking piece that can be locked to the locking piece, It solves the problem.

  In the present invention, the cut line is formed by alternately forming cuts penetrating the side wall in the thickness direction and ties positioned between the cuts so as to be cut, and cutting the boundary. It is preferable that the engagement piece forming region and the lock piece forming region are continuous via a tie in the line.

  Further, according to the present invention, a backing plate connected to the upper end of the side wall via a crease is folded on the inner surface of the side wall, and the backing plate is formed with the locking piece forming portion and the lock piece forming portion. It is preferable that it is attached to the side wall around the locking piece forming portion and the lock piece forming portion without being attached to the portion.

  According to the present invention, when the lid is opened, the lock piece is separated from the one side wall of the container main body, and the lock piece at the lock piece forming portion is formed with the lock piece to be separated. This is caused by cutting off the cutting line at the section, and the cutting line at the boundary between the locking piece and the locking piece is cut off to form a locking piece that can be raised and lowered. A locking piece in a state of being raised from the side wall without being caused manually is obtained. In addition, if the boundary cut line located between the lock piece and the locking piece is cut off, the end portions at the boundary cut line position become the portions that are locked with each other, and the opening is reopened with the lid. When sealing, the bottom side of the locking piece (the part that was the boundary cut line) is locked to the side that was the cut line at the boundary of the lock piece, so that the lid can be resealed. As a result, it is possible to reliably prevent the lid from being lifted.

  And in the state before opening, there exists a part (locking piece formation part) from which a locking piece is obtained in one side wall of a container main body, and a part (locking piece formation part) from which a locking piece is obtained. Since the drooping wall of the lid is attached to the forming portion, there is no conventional folded back locking piece between the drooping wall of the lid and the side wall of the container body. In this state, the drooping wall of the lid and the side wall of the container main body overlap each other, so that a packaging container having a good appearance and no gap is obtained.

  Then, if the locking piece forming region and the locking piece forming region are made continuous via the tie at the boundary cut line, it is necessary to separate the locking piece and the locking piece by adjusting the length of the tie. The power can be adjusted.

  In addition, by attaching the backing plate to the side wall around the locking piece forming portion and the lock piece forming portion from the inner side of the container main body, a hole formed by the lock piece coming out of the side wall is formed in the container. It is possible to prevent communication with the inside of the main body, and it is possible to prevent the stored items from spilling out from the portion where the lock piece has been removed.

It is explanatory drawing shown in the state which notched a part of lid body drooping wall in one Example of the packaging container which concerns on this invention. It is explanatory drawing which shows the separation | separation from the side wall of the lock piece at the time of opening in one Example, and the raising of the latching piece. It is explanatory drawing which partially enlarges the blank of a container main body and shows the latching piece formation part and lock piece formation part in one Example. It is explanatory drawing which expands partially the blank of a container main body, and shows the latching piece formation part and lock piece formation part in another Example. It is explanatory drawing which shows isolation | separation from the side wall of the lock piece at the time of opening in another Example which gave the half cut line, and the raising of the latching piece. It is explanatory drawing which partially enlarges the blank of a container main body and shows the latching piece formation part and lock piece formation part in the other Example which gave the half cut line. It is explanatory drawing which shows a backing plate in a cross section.

Next, the present invention will be described in detail based on the embodiment shown in FIGS.
In the figure, reference numeral 1 denotes a packaging container. The packaging container 1 is composed of a container body 2 and a lid body 3 each formed by assembling paperboard, and the container body 2 is formed in a block shape having an upper surface as an opening 4. In addition, the lid 3 is connected to the upper outer surface of the one side wall 5 as the back surface of the container body 2 via a hinge portion so that the opening 4 can be opened and closed. It is a thing.

  The lid 3 forms a top plate 6 that is slightly larger than the opening 4 corresponding to the opening 4 of the container body 2, and the periphery of the opening of the container body 2 around the top plate 6. The hanging wall 7 corresponding to the upper outer surface of the four side plates 5 is provided, and the lower outer surface of the hanging wall 7 on the back side is the upper outer surface of the side plate 5 on the back side of the container body 2. The hinge portion is formed by sticking to the lid portion, and the lid body 3 can be opened and closed with the hinge portion as a center, and the lid body 3 can be opened and closed from the front side. .

  In the unopened state, as will be described later, the packaging container 1 is overlapped with the hanging wall 7 on the front side, and is opposite to the hinge part of the corresponding container body 2, that is, the area on the upper side of the side wall 5 on the front side. A part thereof is adhered to the inner surface of the drooping wall 7, and the dripping wall 7 on the front side of the lid 3 and the upper outer surface of the side wall 5 on the front side closely overlap each other in the distribution stage of the packaging container 1. It is supposed to be. Of course, even if it is in the other drooping wall 7, it overlaps with each other and it forms so that a big clearance gap may not arise between the upper outer surfaces of a corresponding side wall. And in this packaging container 1, the locking piece mentioned later is formed in the side wall 5 of a front side when opening, The lock which engages with this locking piece at the time of resealing, and suppresses the floating at the time of closing of the cover body 3 The piece is also formed from the side wall 5 on the front side.

  The formation of the locking piece and the locking piece will be described below. As shown in the figure, in the central portion of the side wall 5 on the front side of the container body 2 in the region corresponding to the hanging wall 7 of the lid 3, the locking piece forming portion 8 and the lock piece forming portion 9 below it Is provided. In the side wall 5, a crease 11 is formed between the upper end and the backing plate 10 connected to the upper end of the side wall 5 and folded back to the inner surface side of the side plate 5. A crease 11 and a line-shaped cut line 12 projecting downward from the crease 11 toward the lower side of the container body surround a horizontally long locking piece forming region 8a in a direction along the upper end of the side wall 5. Thus, when the cut line 12 is divided, a locking piece 13 that can be raised and lowered with the position of the folding ruled line 11 as the fold origin is obtained.

  The lock piece forming portion 9 is juxtaposed in the lower direction as described above with the cut line 12 on the lower side of the locking piece forming portion 8 as a boundary. Then, the shape is a horizontally long oval shape along the longitudinal direction of the upper end of the side wall 5 (that is, in the width direction of the side wall 5) continuously to the boundary cutoff line 12 and the boundary cutoff line 12. If the cut line 12 surrounds the lock piece forming region 9a, and the cut line 12 at the boundary surrounding the lock piece forming region 9a and the cut line 12 continuous thereto are divided, the side wall 5 From this, the horizontally long lock piece 14 can be separated.

  The cut line 12 includes cuts 15 penetrating the plate material of the side wall 5 in the thickness direction, and ties 16 positioned between the cuts 15 and capable of being cut alternately. It is. In order to make it easy to cause the locking piece 13 from the side wall 5 and to separate the lock piece 14 from the side wall 5, the length of the cut 15 is not as short as the cut perforation. Is formed long. Further, as shown in the drawing, a tie 16 is always located at the cut line 12 at the boundary between the locking piece forming portion 8 and the lock piece forming portion 9. The stop piece forming region 8a and the lock piece forming region 9a are continuous.

  The tie 16 at the boundary cut line 12 connects the locking piece forming region 8 a and the lock piece forming region 9 a, and the lock piece forming portion 9 connected by the tie 16 is the front side of the lid 3. Is attached to the inner surface of the hanging wall 7. Therefore, when opening, the lock piece 14 is pulled out from the lock piece forming region 9 by pulling upward from the drooping wall 7 side on the front side of the lid 3, and the locking piece 13 is also a side wall as described later. It will be triggered from 5.

  If the drooping wall 7 on the front side of the lid 3 is pulled upward when opening the packaging container 1 (in the direction of the arrow in the figure), a tensile force is applied to the lock piece forming region 9a of the lock piece forming portion 9, The surrounding cut lines 12 other than the cut line 12 at the boundary start to divide, and the lock piece 14 starts to separate from the side wall 5 in a state of being continuous with the locking piece forming region 8a. Since the locking piece forming area 8a and the locking piece forming area 9a are connected via the tie 16 as described above, the cut line at the boundary between the locking piece forming area 8a and the lock piece 14 is separated. The cut line 12 other than 12 starts to be cut off, and the tie 16 at the cut line 12 at the boundary is cut while the lock piece 13 is raised, so that the lock piece 13 and the lock piece 14 are separated. ing.

  In this way, the separation of the lock piece 14 from the side wall 5 occurs, and the locking piece 13 is caused accordingly, and then the boundary cut line 12 is cut off at the boundary cut line 12. The length of the tie 16 is longer than the length of the tie 16 at the other cut line 12, or the number of ties 16 at the boundary cut line 12 is increased. When the force required for dividing the line 12 is larger than the dividing force at the other cut line 12 and when the locking piece 13 is raised, the opening between the locking piece 13 and the locking piece 14 is used for opening the lid 3. It is set so that it can be divided as long as it does not interfere.

  When the locking piece 13 is caused as described above and the lock piece 14 is adhered to the inner surface of the drooping wall 7 on the front side of the lid 3, the lock 3 is closed by closing the lid 3. The upper end of the piece 14 comes into engagement with the locking piece 13, thereby preventing the cover 3 from being lifted when closed. When the lid 3 is opened again, the drooping wall 7 on the front side may be lifted upward by the same operation, and the engagement with the locking piece 14 may be achieved by rotating the locking piece 13 upward. If the match is lost, the lid 3 can be easily opened.

  In this packaging container 1, each of the four side walls 5 of the container body 2 has a backing plate 10 connected to the upper end thereof, folded back inward of the container, and adhered to the inner surface of the side wall 5. Note that the backing plate 10 folded back to the inner surface of the side wall 5 on the front side is capable of causing the locking piece 13 and the separation of the locking piece 14 to form the locking piece forming portion 8 and the locking piece formation. It is made non-sticking with respect to the portion 9, and is attached to the inner surface of the side wall 5 around the locking piece forming portion 8 and the locking piece forming portion 9, and is formed by the locking piece 13 being raised. The openings formed when the lock pieces 14 are removed are closed so that the contents stored in the container body do not spill out of these openings.

  In the above embodiment, the length in the side wall width direction of the locking piece forming portion 8 is shorter than the length in the side wall width direction of the lock piece forming portion 9, but as shown in FIG. The length of the locking piece forming portion 8 in the same direction can be longer than that of the locking piece forming portion 9.

  Further, a semi-cut line 17 is inserted into the lock piece forming area 9 a from the outside along the side wall width direction, and the lock piece forming area 9 a below the semi-cut line 17 is attached to the hanging wall 7 of the lid 3. In this case, as shown in the figure, the locking piece 14 is bent while being opened to cause the locking piece 13 to be bent, and the force required for the breaking force of the boundary cut line 12 is not necessarily increased. Since the locking piece portion can be caused, there is an advantage that a margin for adjusting the dividing force with respect to the tie 16 of the boundary cutoff line 12 can be obtained.

  In the figure, a recessed portion 18 is formed by embossing the backing plate 10 at a portion corresponding to the lock piece forming portion 9 so as to be convex toward the inside of the container in a wider area than the lock piece forming portion 9. Is provided. As shown in the drawing, the upper edge of the recessed portion 18 is a position corresponding to the lower side of the locking piece forming portion 8 or a position corresponding to a position slightly above the lower side of the locking piece forming portion 8. The lid 3 can be closed and the locking piece 14 of the hanging wall 7 on the front side can be pushed into the recessed portion 18 side from the hole portion formed in the locking piece forming portion 9 from which the locking piece 14 has been pulled out. The bottom edge of the locking piece 13 that overlaps can be finely crushed or the hanging wall 7 side to which the lock piece 14 is attached can be deformed. And can be reliably locked (FIG. 7).

DESCRIPTION OF SYMBOLS 1 ... Packaging container 2 ... Container main body 3 ... Cover body 4 ... Opening part 5 ... Side wall 7 ... Dripping wall 8 ... Locking piece formation part 9 ... Lock piece formation part 10 ... Backing board 11 ... Folding line 12 ... Cut line 13 ... locking piece 14 ... lock piece 15 ... cut 16 ... tie 17 ... half-cut line 18 ... recessed part

Claims (3)

A block-shaped container body having an upper surface as an opening, and a lid body that is connected to one side wall of the container body via a hinge portion and covers the opening so as to be openable and closable. In a packaging container having a hanging wall corresponding to the upper outer surface of the side wall of the container body,
In the region corresponding to the hanging wall of the lid on the side wall opposite to the side wall on which the hinge portion is located,
An engagement piece forming area is surrounded by a crease and a cut line protruding from the crease toward the lower side of the container body, and an engagement piece having a crease position as a fold origin is formed by dividing the cut line. A locking piece forming portion formed so as to be able to undulate,
The lock piece forming region is surrounded by the cut line of the boundary and the cut line that is continuous with the cut line of the boundary. And a lock piece forming portion formed so that the lock piece can be separated from the side wall by dividing the cut line surrounding the lock piece forming region,
The lock piece forming portion is attached to the hanging wall opposite to the hinge portion of the lid, and a locking piece is caused along with the lock piece separated from the side wall by opening the lid, A packaging container comprising: a locking piece that can be locked to the lock piece by separating the lock piece and the locking piece by dividing at a boundary cut line.   The cut line is formed by alternately forming cuts penetrating the side wall in the thickness direction and ties that can be cut between the cuts, and through the ties at the cut line of the boundary. The packaging container according to claim 1, wherein the locking piece forming area and the lock piece forming area are continuous.   A backing plate connected to the upper end of the side wall via a crease is folded on the inner surface of the side wall, and the backing plate is not in contact with the locking piece forming portion and the lock piece forming portion. The packaging container according to claim 1 or 2, wherein the packaging container is adhered to the side wall around the locking piece forming portion and the lock piece forming portion.

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