JP3620027B2 - Packaging container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is capable of easily and reliably fixing the lid to the body and performing the unlocking operation, and having a function that allows the lid to be opened at a glance with the unlocking operation. The present invention relates to a suitable packaging container.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, for example, in a packaging container having a body that accommodates food or the like and a lid that closes the opening of the body, two or four places of the packaging container are covered with an adhesive tape in order to fix the lid to the body. Attached to the lid from the top, tied the packaging container in a cross with a string, or stretched a rubber band around the packaging container.
[0003]
[Problems to be solved by the invention]
However, the conventional technique has a problem in that it takes time to fix the lid on the body and the workability is poor. Further, when opening the lid, the adhesive tape must be peeled off, the string must be removed, and the rubber band must be removed, which is troublesome. In addition, there is a problem in that it is easy to return to the original state before opening the lid without leaving a trace of opening the lid, and there is a problem of lack of safety and reliability in the present age when there is a risk of contamination.
[0004]
The present invention has been made to solve such problems, and can easily and surely fix the lid to the body, and can be easily and quickly opened by a simple unlocking operation. It is an object of the present invention to provide a packaging container that can easily determine whether or not a lid is opened.
[0005]
[Means for solving the problems and actions / effects]
In order to achieve the above object, a packaging container according to the first invention comprises:
Part of the wall plate that makes up the lidBy forming the required cuts in the wallboardAn insertion piece is provided, and the insertion piece is part of a wall plate constituting the body.InsertionFor forming insertion holesFor insertionWhen a cut is provided and the insertion piece is inserted into the insertion hole, the insertion pieceHooks projecting on both sidesAnd saidFor insertionThe wall of the body in the vicinity of the insertion piece inserted into the insertion hole and configured to stop the movement of the insertion piece in the pulling direction by engaging with a part of the wall plate in the vicinity of the cut. BoardJudgmentThe weakening line to doFor insertionIt is characterized by being provided so as to be continuous with the incision.
[0006]
According to the present invention, the insertion piece provided on a part of the wall plate constituting the lid is provided on a part of the wall plate constituting the body.For insertionWhen inserted into the insertion hole formed by the cut, a part of the insertion piece and itsFor insertionSince a part of the wall plate in the vicinity of the incision is engaged and the movement of the insertion piece in the pulling direction is locked, the lid can be easily and reliably fixed to the body, and the workability can be greatly improved. . The weakening line for opening the wall plate in the vicinity of the insertion piece inserted into the insertion hole isFor insertionSince it is provided so as to be continuous with the cut line, the locked state can be easily released by operating the insertion piece in the locked state from the opening formed by cutting the weak line. Therefore, the operation of opening the lid fixed to the body can be performed easily and quickly. In addition, when the lid is opened by performing the above-described unlocking operation, the weakening line is cut off and an opening is formed in a part of the wall plate constituting the body, so it is easy to determine whether the lid has been opened. It is possible to improve the safety and reliability of the product.Moreover, since the insertion piece is provided by forming a required cut in a part of the wall plate constituting the lid, the insertion piece can be reliably locked to the wall plate near the insertion hole with a simple configuration. it can.
[0007]
The packaging container according to the second invention is
The insertion piece is provided in a part of the wall plate constituting the body by forming a required cut in the wall plate, the insertion hole cut for inserting the insertion piece is provided in a part of the wall plate constituting the lid, When the insertion piece is inserted into the insertion hole, the latching portions projecting on both sides of the insertion piece engage with a part of the wall plate in the vicinity of the insertion notch so that the insertion piece is removed. And a weakening line for cutting the wall plate of the lid in the vicinity of the insertion piece inserted into the insertion hole is provided so as to be continuous with the insertion cut. It is a feature.
In the present invention, the lid and the body in the first invention are reversed, and an insertion piece is provided in a part of the wall plate constituting the body, and the insertion for inserting the insertion piece is inserted in a part of the wall plate constituting the lid. An insertion cut for forming the hole is provided, and the same effect as the first invention can be obtained.
[0008]
In the first invention or the second invention, it is preferable that at least a distal end portion in the insertion direction of the insertion piece has a tapered shape (third invention). In this way, the insertion operation of the insertion piece into the insertion hole can be performed smoothly.
[0009]
In the first to third inventions, it is preferable that a ruled line extending in the insertion direction is provided at the center of the insertion piece (fourth invention). In this way, the insertion piece is easy to bend around the ruled line, and the rigidity in the direction perpendicular to the plane including the ruled line and the buckling strength in the ruled line direction are increased. The insertion operation into the hole and the unlocking operation of the inserted piece in the locked state can be performed more easily and reliably.
[0010]
In the first invention to the fourth invention,For insertionThe cut is a substantially U-shaped cut that protrudes toward the insertion direction of the insertion piece, and extends along the insertion direction of the insertion piece on a wall plate in the vicinity of the outside with the substantially U-shaped cut as a boundary. It is preferable that a pair of guide portions having a tapered surface approaching the center side of the insertion hole is provided (fifth invention). If it does in this way, since an insertion piece is guide | induced to the center part of an insertion hole by the pair of guide part, the insertion operation | movement to the insertion hole of an insertion piece can be performed more easily.
[0011]
In the first invention to the fourth invention,For insertionThe cut is configured to include a convex cut projecting toward the front side in the insertion direction of the insertion piece, and a horizontal cut extending horizontally outward from both ends of the convex cut, and the weakening lineIsCorresponding to each end of the convex cutThe convex cutProvided to be continuousIs(Sixth invention). In this way, it is possible to easily open the body wall plate in the vicinity of the insertion piece inserted into the insertion hole by putting a finger on the inner part with the convex cut as a boundary and pulling it down toward the outside of the body. There is an effect that can be done.
[0012]
In a sixth aspect of the present invention, it is preferable that an opening is provided in a wall plate near the insertion direction near side of the insertion piece with the convex cut as a boundary (seventh aspect). If it does in this way, since an insertion piece is inserted in the said insertion hole in the state positioned by the wall board around the opening part, insertion operation of an insertion piece can be performed more smoothly.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Next, specific embodiments of the packaging container according to the present invention will be described with reference to the drawings.
[0014]
FIG. 1 is an overall perspective view of the packaging container according to the first embodiment of the present invention. 2 and 3 are explanatory diagrams of the configuration of the packaging container according to the first embodiment. FIG. 4 shows a blank development view (a) of the lid and a blank development view (b) of the body.
[0015]
The packaging container 1 of this embodiment is a rectangular parallelepiped type packaging container as shown in FIG. 1, and puts food such as rice, side dishes, rice cakes, or Japanese confectionery cooked at a grocery store or a caterer at a store. It is suitable for use when selling or going out.
[0016]
As shown in FIGS. 2 and 3, the packaging container 1 according to the present embodiment includes a tray 3 for storing food, a box-like body 2 having an open upper portion on which the tray 3 is mounted, and the tray 3. And a box-shaped lid 4 that covers the body 2 to which is attached. The body 2 and the lid 4 are finished in a box shape by forming a processing line on a paperboard (cardboard) and bending it.
[0017]
The tray 3 is provided with a required partition 3a for sorting food inside, and a downward substantially U-shaped peripheral edge piece 3b inserted into the upper edge of the body 2 at the outer peripheral edge thereof. Is formed.
[0018]
The lid 4 is a box having an opening slightly larger than the outer shape of the body 2, and as shown in a blank development view of FIG. The side plates 12 and 12 are connected to the sides via the inner folding line a, and the end plates 14 and 14 are connected to the end sides of the top plate 11 via the inner folding line b. The side plate 12 and the end plate 14 are set to the same height.
[0019]
Connection flaps 13 and 13 are connected to both ends in the longitudinal direction of each side plate 12 via inner folding lines c and c. Further, both end portions of each end plate 14 in the longitudinal direction are provided with outer folding lines d inclined at approximately 45 degrees from the corners close to the top plate 11 toward the center of the end edge of the end plate 14. A corner 14a of the triangular end plate 14 is formed outside the folding line d, and the corner 14a can be folded outward along the inclined outer folding line d.
[0020]
In the blank of the lid 4 formed in this way, each side plate 12 and each end plate 14 are bent at right angles to the top plate 11 at each inner fold line a and each inner fold line b (the surface of FIG. 4A). In addition, the outer surface of each coupling flap 13 folded inward along each inner folding line c and the bonding portion between each corner 14a of each end plate 14 (indicated by the symbol in FIG. 4A) 2A and 3B, the side plates 12 and the end plates 14 which are adjacent to each other are bonded together by the connecting flap 13 so as to be bonded together with a double-sided tape. A box-shaped lid 4 is formed. In addition, although description by specific illustration is abbreviate | omitted, this lid | cover 4 is folded lowly by bend | folding along each inclination outer fold line d attached | subjected to the end plates 14 and 14, and the lid | cover 4 folded on the other hand By causing the pair of side plates 12 or the end plates 14 in the above, all the side plates 12 and 12 and the end plates 14 and 14 are erected to form a box-shaped lid 4 by so-called one-touch.
[0021]
In this embodiment, as shown in FIG. 4 and FIG. 5, each end plate 14 of the lid 4 is cut at a required location, so that a generally tongue-shaped insertion piece 15 is formed at the lower end of the center. Is formed. Both sides of the insertion piece 15 have a shape in which the central portion protrudes outward, and the upper edge portion (hatched portion indicated by symbol B in FIG. 5) of the protruding portion is the engagement of the body 2 described later. The latching portion 15a is latched on the latching portion (see FIGS. 8A and 8B).
[0022]
The insertion piece 15 is tapered from the latching portion 15a toward the tip in the insertion direction (the direction of arrow A in FIG. 5), and the corner portion 15b at the tip is chamfered in an arc shape, which will be described later. The body 2 can be smoothly inserted into the insertion hole. Further, a ruled pressing line 16, 16 extending in the insertion direction is provided in parallel at a predetermined interval at the center of the insertion piece 15, and a direction perpendicular to the ruled pressing line 16 of the insertion piece 15 is provided. The bending strength and the buckling strength in the direction of the ruled line 16 are increased, and both side portions of the insertion piece 15 are easily bent around the ruled line 16.
[0023]
As shown in the blank development view of FIG. 4 (b), the body 2 includes side plates 22, 22 connected to each side of a rectangular bottom plate 21 having a required size via an inner folding line a ′, and a bottom plate. 21 are provided with end plates 24 and 24 connected to each end side of the 21 via an inner folding line b ′. Note that the side plate 22 and the end plate 24 are set to have the same height, and are set to have a height that allows the tray 3 to be raised as desired. Reference numerals 35 and 36 denote folding support type support pieces provided on the bottom plate 21 for stably supporting the tray 3 and preventing the tray 3 from coming off. In the embodiment, the support object pieces 35, 35, 36, 36 that are erected and bent are partially attached to the bottom surface of the tray 3 so that the object can be achieved.
[0024]
Connection flaps 23 and 23 are connected to both ends in the longitudinal direction of each side plate 22 via inner folding lines c 'and c'. Further, an outer folding line d ′ that is inclined at approximately 45 degrees from a corner near the bottom plate 21 toward the central portion of the end plate 24 is attached to both ends of each end plate 24 in the longitudinal direction, and the inclined outer folding line d. A corner 24a of the triangular end plate 24 is formed on the outer side of ', and the corner 24a can be folded outward along the inclined outer fold line d'.
[0025]
The blanks of the body 2 formed in this manner are connected to the connecting flaps 23 that are folded inward along the folding lines c ′ in a state where the side plates 22 and the end plates 24 are erected with respect to the bottom plate 21. Are bonded to each corner 24a of each end plate 24 by a double-sided tape, and the adjacent side plate 22 and end plate 24 are bonded to each other. The box-like body 2 as shown in FIGS. 2 and 3 is formed by being integrally connected by the connecting flap 23. The body 2 is folded to a low volume by being folded along each inclined outer fold line d ′ attached to the end plates 24, 24. On the other hand, the pair of side plates 22 or end plates 24 in the folded body 2 are folded. As a result, all the side plates 22 and 22 and the end plates 24 and 24 are erected to form a box-like body 2 by so-called one-touch.
[0026]
Each end plate 24 in the body 2 has a substantially U-shaped cut provided at the center thereof, as shown in FIGS.(Incision for insertion)25 (hereinafter, simply referred to as “U-shaped cut 25”) and an end plate body 24b on the outer side thereof and a central wall portion 26 on the inner side of the boundary.
[0027]
In the end plate main body 24b, the wall portion adjacent to the periphery of the central wall portion 26 has a tapered surface 27 (see FIG. 8B) that approaches the center side of the central wall portion 26 from the upper side to the lower side. ) Is provided. In addition, an engaging surface 29 (see FIG. 8B) that engages with the upper edge of the latching portion 15a is formed on the wall portion, which is continuous with the lower end of the tapered surface 27 and spreads outward downward. The latching | locking part 30 which has is provided.
[0028]
Perforations 31, 31 as weak lines connected to the U-shaped cut 25 are formed at predetermined intervals at the center lower end of the end plate main body 24b (region sandwiched between the U-shaped cut 25 and the inner folding line b ′). It is provided in the shape of a letter C in front view. The perforations 31 and 31 are extended in parallel to an appropriate position of the bottom plate 21. Thus, the opening formed when the wall portion 32 (hereinafter referred to as “opening wall portion 32”) in the region sandwiched between the two perforations 31, 31 is opened by cutting along both the perforations 31, 31. By making the part slightly wider, the approach to the insertion piece 15 is facilitated. The upper end portion of the opening wall portion 32 is a finger hook portion 32a for hooking a finger when opening, and the upper end shape is a downward convex arc shape for easy hooking.
[0029]
Next, the operation of attaching the lid 4 to the body 2 (see FIG. 2) with the tray 3 mounted will be described with reference to FIGS. 7 (a) to 7 (c).
[0030]
First, as shown in FIGS. 7A and 7B, the entire lid 4 is gradually pulled down while pressing the insertion piece 15 of the lid 4 against the central wall portion 26 of the body 2. At this time, a gap 33 (corresponding to the insertion hole of the present invention) between the central wall portion 26 and the end plate main body 24b due to a shift in the surface phase between the central wall portion 26 and the end plate main body 24b due to the pressing operation. , Referred to as “insertion hole 33”), the entire lid 4 is further lowered while maintaining the pressed state. Then, the insertion work of the lid 4 is completed by inserting the insertion piece 15 into the insertion hole 33 until the state shown in FIG. At the time of this insertion operation, as shown in FIG. 7B, the insertion piece 15 is brought into contact with and sliding on the guide portion 28 and guided to the center portion of the insertion hole 33. Thus, the insertion operation of the insertion piece 15 into the insertion hole 33 is facilitated. When the insertion operation of the insertion piece 15 into the insertion hole 33 is completed, as shown in FIGS. 8A and 8B, the latching portions 15a and 15a of the insertion piece 15 are engaged with the end plate body 24b. The lid 4 is fixed to the body 2 by engaging with the portions 30 and 30 and being latched. In the state where the latching portions 15 a and 15 a are latched by the locking portions 30 and 30, the insertion piece 15 is pressed and urged toward the outside of the body 2 by the restoring elastic force of the central wall portion 26. In this way, the state where the insertion piece 15 is locked to the end plate main body 24b is securely held.
[0031]
Next, the removal work of the lid 4 fixed to the body 2 as described above will be described with reference to FIGS. 7 (c) and 9 (a) to 9 (c).
[0032]
In a state where the lid 4 shown in FIG. 7 (c) is fixed to the body 2, first, a finger is hooked on the finger hooking portion 32a of the opening wall portion 32, and the opening wall portion 32 is lowered to the front side (FIG. 7 (c)). The perforation 31, 31 is cut by applying a force pulling in the direction of the middle arrow (Q direction), and as shown in FIG. 9 (a), the end plate body at the portion where the opening wall 32 is provided Open 24b. Next, a finger is pushed into the opening 50 and a finger is put on the back side of the insertion piece 15, and the insertion piece 15 is pulled out as shown in FIGS. Is released from the end plate main body 24b. After unlocking in this way, the lid 4 is removed from the body 2 by pulling up the entire lid 4.
[0033]
According to the present embodiment, the operation of attaching and fixing the lid 4 to the body 2 and the operation of removing the lid 4 fixed to the body 2 can be performed easily and quickly, and the workability can be greatly improved. it can. Moreover, since the perforation 31, 31 is cut and the opening 50 is formed in the end plate main body 24b when the operation of removing the lid 4 is performed once, it is easily determined whether or not the lid 4 has been removed. It is possible to improve the safety and reliability of the product.
[0034]
Next, a second embodiment of the packaging container according to the present invention will be described. The packaging container of the present embodiment has the same basic configuration as that of the packaging container of the first embodiment. Therefore, the following description will focus on the parts specific to the present embodiment, and the first embodiment. Parts that are the same as or similar to the embodiment are given the same reference numerals in the drawings, and detailed descriptions thereof are omitted.
[0035]
FIG. 10A shows a configuration diagram of the main part of the body in the second embodiment. Further, FIG. 11 shows an explanatory view for attaching the lid of the packaging container in the second embodiment. In addition, FIG. 12 shows an explanatory view of the removing operation of the lid of the packaging container in the second embodiment.
[0036]
As shown in FIG. 10 (a), in the central portion of each end plate 24 ′ of the body 2 ′ in the present embodiment, instead of the U-shaped cut 25 in the first embodiment, an upward convex semicircle. Arc cut(Convex cut)An insertion cut 40 is provided that includes 41 and horizontal cuts 42, 42 extending outward from both ends of the upward convex semicircular arc cut 41 in the horizontal direction. In this embodiment, the outer convex arc-shaped cut 43 is connected to the end of each horizontal cut 42, and both ends of the insertion cut 40 are inserted when the insertion piece 15 is inserted into the insertion cut 40. Is prevented from being torn from the end plate body 24'b. Further, the horizontal width of the insertion cut 40 is substantially the same as the horizontal width of the insertion piece 15.
[0037]
Also in the present embodiment, as in the first embodiment, the perforations 31, 31 are provided in a C-shaped front view at the center lower end portion of each end plate 24 ', and each perforation 31 is an insertion cut. 40 is attached so as to correspond to each end of the upward convex semicircular arc cut 41 at 40.
[0038]
In the present embodiment, the insertion cut 40 is widened by pressing the upper wall portion toward the inside of the body with the insertion cut 40 as a boundary, thereby inserting the insertion hole 46 (FIGS. 11A and 11B). Reference) is formed. Further, the locking means for locking the movement of the insertion piece 15 inserted in the insertion hole 46 in the pulling direction is a latching portion 15a of the insertion piece 15 when the insertion piece 15 is inserted into the insertion hole 46. , 15a is hooked to the lower edge of the upper wall portion of the insertion cut 40. Further, when the wall portion formed in a semicircular shape at the inner portion with the upward convex semicircular arc cut 41 as a boundary is pulled down the opening wall portion 32 ′ sandwiched between the two perforations 31, 31, a finger is applied. For this purpose, a finger-hanging piece 32'a is provided.
[0039]
The operation of attaching the lid 4 to the body 2 'in the packaging container of the present embodiment configured as described above is performed as follows. That is, as shown in FIGS. 11A to 11C, the entire lid 4 is gradually pulled down while pressing the insertion piece 15 of the lid 4 against the upper wall portion of the insertion cut 40 in the body 2 '. At this time, the insertion notch 40 is widened by the pressing operation and the insertion hole 46 is formed. Therefore, the entire lid 4 is pulled down while the pressing state is maintained, and the insertion piece 15 is inserted into the insertion hole 46. . When this insertion operation is completed, the latching portions 15a, 15a of the insertion piece 15 are latched on the lower edge of the upper wall portion of the insertion notch 40, and the lid 4 is fixed to the body 2 '.
[0040]
Moreover, the removal operation | work of the lid | cover 4 fixed to the body 2 'is performed as follows. That is, in the state where the lid 4 is fixed to the body 2 ′ as shown in FIG. 11 (c), a finger is hooked on the finger-hanging piece 32′a of the opening wall portion 32 ′ to bring the opening wall portion 32 ′ to the front side. The perforations 31, 31 are cut by applying a force that pulls downward (in the direction of arrow Q in FIG. 11), and as shown in FIG. 12 (a), an opening wall 32 'is provided. A portion of the end plate body 24'b is opened. Next, the finger is pushed into the opening 50 and the finger is placed on the back side of the insertion piece 15, and the insertion piece 15 is pulled out as shown in FIGS. 12B and 12C. The state locked to the end plate body 24′b is released. After unlocking in this way, the lid 4 is removed from the body 2 'by pulling up the entire lid 4. Therefore, the present embodiment can provide basically the same operational effects as the first embodiment.
[0041]
Next, a modification of the second embodiment will be described. In addition, the same code | symbol is attached | subjected to a figure about the same thing as the said 1st, 2nd embodiment, and the detailed description is abbreviate | omitted.
[0042]
In this modification, as shown in FIG. 10 (b), the end plate body 24 ″ b around the finger hanging piece 32′a in the second embodiment is cut out and an opening 45 is added. It is an example. According to the present modification, the opening 45 is provided around the finger-hanging piece 32'a, so that the insertion piece 15 can be easily arranged on the back surface of the finger-hanging piece 32'a as shown in FIG. Further, as shown in FIGS. 13B and 13C, the insertion piece 15 is positioned on the wall portion around the opening 45 when the insertion piece 15 is inserted into the insertion hole 46 ′. There is an effect that the insertion operation can be performed more smoothly than the form.
[0043]
In the modification of each of the above-described embodiments and the second embodiment, the end plates of the lid and the body are provided with the inclined outer fold lines. However, the side plates may be provided with the inclined outer fold lines.
[0044]
In the modification of each of the embodiments and the second embodiment, the example in which the tray 3 is made of plastic is shown, but the present invention is not limited to this. Recently, those made of plastic and those made of foamed polystyrene have been considered as materials that are not friendly to the environment that is difficult for post-processing (incineration, recycling, landfill, etc.). Therefore, the tray 3 in each of the embodiments and the modified example of the second embodiment is environmentally friendly such as paper, mold (pulp, straw, etc.), biodegradable resin, etc., and is not troubled by post-processing. In other words, it is preferable to use a material that does not select a treatment method.
[0045]
In the modification of each of the embodiments and the second embodiment, the example in which the present invention is applied to the packaging container using the tray 3 for storing food or the like is shown, but it is shown in FIG. Thus, it goes without saying that the present invention can be applied to a packaging container in which food or the like is directly stored without using the tray 3.
[0046]
In the modification of each of the embodiments and the second embodiment, an example in which the present invention is applied to a separation-type packaging container in which a body and a lid are separated is shown, but as shown in FIG. Needless to say, the present invention can also be applied to an integrated packaging container including a body and a lid continuously provided on a part of the body.
[0047]
In the modification of each of the embodiments and the second embodiment, an insertion piece is provided in a part of the wall plate constituting the lid, and an insertion hole for inserting the insertion piece is provided in a part of the wall plate constituting the body. In contrast to this, an example in which cuts for forming are provided has been shown. On the contrary, as shown in FIGS. It is also possible to provide an insertion piece and provide a cut for forming an insertion hole for insertion of the insertion piece in a part of the wall plate constituting the lid.
[0048]
In the modifications of each of the embodiments and the second embodiment, the example in which the body and the lid are made of paperboard (cardboard) is shown, but the present invention is not limited to this, and the body and the lid are made of cardboard paper or Alternatively, a material that is processed in a manner similar to that of paper, for example, a plastic sheet material, a laminate material, or a metal foil may be used.
[0049]
In the modification of each of the embodiments and the second embodiment, an example in which the present invention is applied to a polygonal cross-section container is shown, but the present invention is not limited to this, and according to the gist of the present invention, The present invention can also be applied to a curved cross-section container having a circular or oval cross-sectional shape, or a cross-section container in which a polygonal cross-section container and a curved cross-section container are combined.
[Brief description of the drawings]
FIG. 1 is an overall perspective view of a packaging container according to a first embodiment of the present invention.
FIG. 2 is a configuration explanatory view of a packaging container according to the first embodiment.
FIG. 3 is an explanatory diagram of the configuration of the packaging container of the first embodiment.
FIG. 4 (a) is a blank development view of a lid according to the first embodiment, and FIG. 4 (b) is a blank development view of the body according to the first embodiment.
FIG. 5 is an enlarged view of a main part of a lid blank according to the first embodiment.
FIG. 6 is an enlarged view of a main part of a personal blank according to the first embodiment.
FIGS. 7A to 7C are explanatory views for attaching a lid of a packaging container according to the first embodiment.
FIG. 8 (a) is an explanatory diagram of the locking state of the insertion piece in the first embodiment, and FIG. 8 (b) is an enlarged view of a P part of FIG. 8 (a).
FIGS. 9A to 9C are explanatory views for removing the lid of the packaging container according to the first embodiment.
FIG. 10 (a) is a configuration diagram of a main part of a body according to the second embodiment of the present invention, and FIG. 10 (b) is a main part of the body according to a modification of the second embodiment. It is a block diagram.
FIGS. 11A to 11C are explanatory views for attaching a lid of a packaging container according to the second embodiment.
12 (a) to 12 (c) are explanatory views for removing the lid of the packaging container according to the second embodiment.
FIGS. 13A to 13C are explanatory views for attaching a lid of a packaging container according to a modification of the second embodiment.
FIGS. 14A and 14B are explanatory diagrams of a packaging container according to another embodiment to which the present invention can be applied.
FIG. 15 is an explanatory view of a packaging container according to another aspect to which the present invention can be applied, in which a state of the lid being opened (a) and a state of being closed and locked ( b).
[Explanation of symbols]
1 Packaging container
2,2 ', 2 "
3 trays
4 Lid
14 End plate (lid)
14b End plate body (lid)
15 Insertion piece
15a Latch part
24, 24 ', 24 "end plate (body)
24b, 24'b, 24 "b End plate body (body)
25 U-shaped cut
26 Central wall
30 Locking part
31 Perforation (weak line)
33, 46 Insertion hole
40 Insert cut
41 Upward convex semicircular arc cut
42 Horizontal cut

Claims (7)

The insertion portion is provided by forming a desired cut in the wall plate portion of the wall plate constituting the lid, in order to form the insertion portion interpolation necessity of the insertion hole in a part of the wall plate constituting the body When the insertion piece is inserted into the insertion hole, the latching portions projecting on both sides of the insertion piece engage with a part of the wall plate in the vicinity of the insertion cut. The insertion piece is configured to stop the movement of the insertion piece in the removal direction, and a weakening line for cutting the wall plate in the vicinity of the insertion piece inserted into the insertion hole is provided for the insertion cut. A packaging container characterized by being provided so as to be continuous with the container. An insertion piece is provided in a part of the wall plate constituting the body by forming a required cut in the wall plate, and an insertion hole for inserting the insertion piece is formed in a part of the wall plate constituting the lid An insertion cut is provided, and when the insertion piece is inserted into the insertion hole, a latching portion protruding from both sides of the insertion piece and a part of the wall plate in the vicinity of the insertion cut are engaged. The insertion piece is configured to lock the movement of the insertion piece in the pulling direction, and a weakening line for cutting the wall plate of the lid in the vicinity of the insertion piece inserted into the insertion hole is formed in the insertion cut. A packaging container characterized by being provided continuously. The packaging container according to claim 1, wherein at least a distal end portion in the insertion direction of the insertion piece has a tapered shape. The packaging container according to any one of claims 1 to 3, wherein a ruled line extending along an insertion direction is provided at a central portion of the insertion piece. The insertion cut is a substantially U-shaped cut that protrudes toward the insertion direction of the insertion piece, and the insertion piece is inserted into a wall plate in the vicinity of the outside with the substantially U-shaped cut as a boundary. The packaging container in any one of Claims 1-4 with which a pair of guide part which has a taper surface which approaches the center side of the said insertion hole along a direction is provided. The insertion cut is configured to include a convex cut projecting forward in the insertion direction of the insertion piece, and a horizontal cut extending horizontally from both ends of the convex cut, and the weakening line is packaging container according to claim 1 corresponding to each end that is provided so as to be continuous to the convex cut of the convex cut. The packaging container according to claim 6, wherein an opening is provided in a wall plate near the insertion direction near side of the insertion piece with the convex cut as a boundary.

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