JP3367913B2 - Packaging container - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging container used for packaging electronic equipment parts such as liquid crystal display devices used in electronic equipment, OA terminals, advertisement display devices and the like.

[0002]

2. Description of the Related Art As packaging containers for packaging electronic equipment parts such as liquid crystal display devices, various packaging containers have been provided. For example, in Japanese Unexamined Patent Publication No. 9-309525, a packaging part is prepared by assembling a carton mount or other cushioning sheet as a packaging container that uses less mount, has excellent impact resistance and is easy to assemble. A packaging container for assembling the whole is disclosed.

This packaging container, as shown in the exploded perspective view of FIG.
9, a partition 50, a storage case 51, and a cushioning base 52. Each of these packaging parts is assembled by cutting or punching in one cushioning sheet and bending it in a folding curve. There is.

As shown in FIG. 14, the storage case 51 has a storage portion 53 capable of storing two liquid crystal display devices stored in an antistatic plastic bag in two rows in order to protect them from static electricity and moisture. A pair of recesses 54 on both sides are formed in the opening at the upper end of the storage portion, and projections 55, 56 for fixing to the cushioning base 52 are formed on both sides and the bottom portion, respectively.

As shown in the development view of FIG. 15, the storage case 51 is assembled by making cuts and punches shown by a solid line in one cushioning sheet and bending it at a folding curve shown by a broken line.

As shown in the perspective view of FIG. 16, a cushioning base 52 for accommodating a plurality of storage cases 51 in parallel is composed of a box-shaped side wall portion 57 and a bottom plate 58. Slits 59 and 60 for inserting and fixing the projecting pieces 55 and 56 of the storage case 51 are formed. The box-shaped side wall portion 57 is configured by bending a cushioning sheet in threefolds to reinforce and stacking the overlapping surfaces 61 and 62.

In the packaging work, two liquid crystal display devices stored in antistatic plastic bags are stored in two rows in twos in the storage portion 53 of the storage case 51, and then the projection 55 of the storage case 51 is slit 59 of the side wall portion 57. Buffer base 5
2, and the protrusion 56 of the bottom surface portion is inserted into the slit 60 of the bottom plate 58 to fix the storage case 51 to the cushioning base 52, and the ceiling presser 49 is fitted into the concave portion 54 of the upper end opening so that the upper portion is Fix and store the partition 50 in the storage case 5
The liquid crystal display device in the storage case 51 was fixed by being fitted in the slit formed in the central portion of the No. 1 unit.

[0008]

However, the above conventional packaging containers have the following problems.

That is, as shown in FIG. 15, the storage case 51 is assembled by making a cut or punch shown by a solid line in one cushioning sheet and bending it at a folding line shown by a broken line. As shown in the figure, a substantially U-shaped notch 63 is formed in order to form the projecting pieces 55 projecting on both sides of the storage case 51. 14
As shown in, the bottom of the storage case 51 has a thick bottom.
The opening 64 of the cut mark which is horizontal both in the width direction appears three-dimensionally.

Therefore, when the liquid crystal display device is inserted into the storage case 51, the corners of the liquid crystal display device come into contact with the bottom side of the opening 64, particularly the bottom side 65 extending horizontally in the thickness direction, and are caught, which makes the storage work time-consuming. In some cases, the liquid crystal display device may be damaged. Also, storage case 5
The cushioning base 52 for accommodating 1 in a parallel state folds the cushioning sheet in three layers to reinforce the stacking surfaces 61, 62.
I needed gluing in.

Further, the housing case 51 is housed by inserting the projecting pieces 55 and 56 formed on both sides and the bottom surface into the slits 59 and 60 formed on the side wall 57 and the bottom plate 58 of the cushioning base 52. , The combination of the protrusion and the slit is poor in fixing property and is weak against external impact, so the storage case may move during transportation, or the impact may be transmitted to the liquid crystal display device stored inside, causing defects. It had an easy structure. When a plurality of liquid crystal display devices are stored in the storage case, since shock absorbing material is not provided between the liquid crystal display devices, low impact resistance against external impact is also a problem.

Further, when the stored liquid crystal display device is taken out from the storage case, there is a concern that the liquid crystal display device may be damaged by holding a plurality of liquid crystal display devices together. Therefore, an object of the present invention is to provide a storage container that is assembled from one cushioning sheet and a storage container that is assembled from one cushioning sheet. By improving the protrusions and openings formed on both sides, the packaging unit such as a liquid crystal display device can be easily inserted into the storage case, the efficiency of the packaging work can be improved, and the packaging unit may be damaged. There is no packaging container available.

Another object of the present invention is to:
The point is that the cushioning base is assembled from one cushioning sheet without the need for gluing.

Still another object of the present invention is to improve the fixing property when the storage case is stored in the cushioning base, and to improve the shock resistance against external impact.

Still another object of the present invention is to reduce the collision between the packaging units and enhance the impact resistance when the plurality of packaging units are stored in the storage portion of the storage case, and at the same time, the packaging units. The point is to make it easy to take out the individual.

[0016]

In order to achieve the above object, the present invention employs the following configurations and means.

The packaging container according to claim 1 of the present invention is assembled from one cushioning sheet, has a storage portion for the packaging unit, and has a storage case having projecting pieces protruding outward on both sides and the bottom. In a packaging container equipped with a cushioning base for accommodating a storage case, which is assembled from one cushioning sheet and has slits for inserting projecting pieces of the storage case formed in parallel on the side wall and the bottom plate, respectively, The lower contours of the projecting pieces on both sides of the storage case formed by cutting the seat have a downward slope, and the bottom of the opening of the cut mark that appears on the side after assembly of the storage case also has a downward slope. Is characterized by.

In this way, if the lower contours of the projecting pieces on both sides of the storage case are made to have a downward slope, and the bottoms of the openings of the cut marks appearing on the side surfaces after the storage case is assembled also appear to have a downward slope. When a packaging unit such as a liquid crystal display device is inserted into the storage part of the storage case, even if the corner of the packaging unit does not come into surface contact with the bottom of the opening, the contact area is reduced, and the sliding effect on the inclined surface is reduced. Also, the packaging unit is unlikely to be caught on the bottom of the opening, the packaging unit can be easily and smoothly inserted into the storage case, the efficiency of the packaging work can be improved, and the packaging unit is not damaged.

A packaging container according to a second aspect is the packaging container according to the first aspect, in which the cushioning base can be assembled from a single cushioning sheet without gluing. , A pair of bases that are bent into a prismatic shape, a bottom plate that is reversely bent from the inwardly bent end of the base to connect both bases, and an outer wall that continuously rises from the base. And a side wall portion that folds a portion continuous to the outer surface wall into a box shape and has an inner bent end along the bottom plate end portion that connects to the bottom stand, and has an inner bent end and a bottom plate end of the bottom stand. It is characterized in that it is assembled without gluing by engaging the inwardly bent ends of the side portion and the side wall portion with a locking piece cut and raised inward from the outer surface wall of the side wall portion.

As described above, when the cushioning base composed of the bottom base, the bottom plate and the side wall is bent and formed from one cushioning sheet, the inward bending end of the bottom base and the inner side of the bottom plate end and the side wall are formed. If the bent end is fixed by engaging with the locking piece cut and raised inward from the outer wall of the side wall part, no cushioning is required from one cushioning sheet without any need for gluing. The stand can be assembled.

Further, the packaging container according to claim 3 is the packaging container according to claim 1 or 2, which is intended to enhance the fixing property between the storage case and the cushioning base. It is characterized in that the projecting piece is formed with a locking groove that engages with the end portion of the insertion slit of the projecting piece formed on the side wall of the cushioning base.

That is, the storage case is fixed by inserting the protrusions formed on both sides and the bottom into the slits formed on the side wall and bottom plate of the cushioning base. A locking groove is formed so that when the protrusion is inserted into the slit formed on the side wall of the cushioning base, the locking groove is engaged with the end of the slit. The fixing property of the packaging is improved, deformation and movement of the storage case due to external force, vibration, and impact applied to the packaging container is eliminated, direct stress is prevented from being applied to the packaging unit, and mechanical damage is prevented. It is possible to protect from.

According to a fourth aspect of the present invention, in the packaging container according to the first, second, or third aspect, when a plurality of packaging units are stored in the storage portion of the storage case, a collision between the packaging units occurs. The present invention aims to reduce the impact resistance and to improve the impact resistance, and is characterized in that a plurality of packaging units are accommodated in a storage portion of a storage case through a partition having a cutout portion at a substantially central portion of an upper end. By interposing the partition between the packaging units in this way, the collision between the packaging units can be alleviated, and by providing a notch in the substantially center of the upper end, fingers can be inserted between the packaging units to directly mount the packaging units. It can be picked, making it easy to take out individual packaging units.

Further, the packaging container according to a fifth aspect is the packaging container according to the fourth aspect, characterized in that the partition is formed with a notch for escape of a part projecting to the back side of the packaging unit. Therefore, when the packaging units are stacked back to back and stored in the storage unit, it is possible to store the packaging units without any problem even when there is a part projecting to the back side of the packaging unit while relaxing the collision between the packaging units.

[0025]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a packaging container according to the present invention will be described below with reference to FIGS. 1 to 10.

FIG. 1 is an overall perspective view of the packaging container, and FIG. 2 is an exploded perspective view showing the details of the packaging container. The packaging parts include a storage case 1, a cushioning table 2, a ceiling retainer 3, a partition 4, and a side pad 5. As described later, each of them is assembled by making a cut or punch in a cushioning sheet such as cardboard paper and bending it in a folding curve, and finally it is stored in the outer packaging box 6 and shipped. To be done.

In FIG. 2, a partition unit 4 is interposed between two liquid crystal display devices as a packaging unit 7 so that their back faces are overlapped with each other, and the display faces are outwardly inserted into the storage portion 8 of the storage case 1 to form a cushioning base. 2 shows how to store. The storage case 1 has two storage portions 8, and two packaging units 7 whose backs are overlapped with each other with the partition 4 interposed therebetween are stored in the respective storage portions 8. In this example, five storage cases 1 are stored in the cushioning base 2.

The details of the storage case 1 are as shown in FIG.
The packaging unit 7 is assembled from one cushioning sheet.
The storage part 8 is provided, and the projecting pieces 11 and 12 projecting outward are provided on both side parts 9 and the bottom part 10. Each of the protrusions 11 and 12 is formed by bending a cushioning sheet in which cuts and punches are formed, and after the storage case 1 is assembled, the opening 13 as a cut mark appears on both sides 9.

As shown in the figure, the protruding piece 11 has a downward contour 14 which is inclined downwardly, and has both side portions 9 after the storage case 1 is assembled.
The bottom side 15 in the opening 13 of the notch mark appearing in FIG. Therefore, when the packaging unit 7 is stored in the storage portion 8 of the storage case 1, even if the corner portion of the packaging unit 7 comes into contact with the bottom side 15 of the opening 13, the contact area is small, and the inclined surface is small. Also, the packaging unit 7 is less likely to be caught in the opening bottom 15 due to the sliding effect on the packaging unit 7, and the packaging unit 7 can be easily and smoothly inserted into the storage unit 8. Therefore, the efficiency of the packaging work can be improved and the packaging unit 7 can be improved. Eliminates the risk of damage.

The two storage parts 8 of the storage case 1 are composed of an outer wall part 16 and a partition 17, and the outer wall part 16 is provided with a recess 18 for fitting the ceiling retainer 3 from above as shown in FIG. After being formed, the packaging unit 7 is accommodated in the accommodating portion 8 and accommodated in the cushioning base 2, and then the ceiling retainer 3 is accommodated in the recess 18.
The plurality of storage cases 1 are collectively fixed by being fitted together. The middle partition 17 is formed with a space in the center for accommodating the ceiling retainer 3. In addition, a semicircular cutout 19 is formed in the outer wall portion 16 so as to be continuous with the recess 18 so that the packaging unit 7 can be easily gripped when the packaging unit 7 stored in the storage portion 8 is taken out. Furthermore, each of the corners 20 of the partition 17, recess 18 and cutout 19 is provided with a corner cut to reduce catching when the packaging unit 7 is stored in the storage unit 8 and to protect and store the packaging unit 7. We are working to improve efficiency.

FIG. 4 is a development view of the storage case 1, in which one cushioning sheet having a substantially rectangular shape is provided with cuts or punches indicated by solid lines, and is bent by folding curves indicated by broken lines. A notch 21 that forms a recess 18 and a semicircular cutout 19 at both ends in the longitudinal direction.
Is formed, and the bottom plate 22 of the bottom surface portion 10 and the protrusion 1
A punching 23 is formed to allow the 2 to project.
In the left and right folding curves a and b that are mountain-folded, a horizontal cutting line a that is cut from the cutting edge that is in contact with the folding curve b to a position that slightly exceeds the folding curve a and a vertical cutting line b that is vertically extended through the radius and a folding curve. Notch portions 11 'for forming the protrusions 11 are formed at four upper and lower positions by the downwardly inclined cut lines C returning to b. As a result, the apex of the cut portion 11 ′ located at the intersection of the downwardly inclined cut line C and the folding curve b, and the cut portion 11
The corresponding part of the opening that appears when the ‘′ is raised has an acute angle.

A portion 16 'surrounded by the folding curve c and the folding curve a which defines the bottom plate 22 constitutes the outer wall portion 16 of each storage portion 8, and a portion surrounded by the folding curve a and the folding curve b is each storage portion 8. Punched from the outside from the fold line b.
A part 17 ′ surrounded by an extension line of the upper and lower sides of 3 constitutes the partition 17, and a part 12 ′ surrounded by the extension line and having a fold curve d that makes a valley fold in the central part constitutes the protrusion 12.

To assemble the storage case 1, the folding curve a,
In b, the folding case c shown in FIG. 3 can be assembled by vertically folding the folding curve d and folding the folding curve c in a valley manner so that the vertically symmetrical portions are aligned. Therefore, the projecting pieces 11 and 12 and the partition 17 have a two-layer structure.

FIG. 5 is a perspective view showing the details of the cushioning base 2 for accommodating the accommodating case 1, which is assembled from one cushioning sheet without gluing. As shown, the cushioning base 2 includes a box-shaped side wall portion 24 and a side wall portion 24.
Bottom plate 25 located at the bottom of the floor and the bottom plate 26 that connects the bottom plates
The side wall 24 and the bottom plate 26 are formed of the storage case 1
Slits 27 and 28 into which the projecting pieces 11 and 12 projecting from the both side portions 9 and the bottom surface portion 10 are inserted when storing the storage case 1 are intended to fix the storage case 1.

The base 25 is formed by bending a part of the cushioning sheet into a prismatic shape, and is bent in the opposite direction from its inner bent end 29 to form a bottom plate 26 connecting the two bases 25. Is
The outer surface wall 30 is continuously raised from one end of the base 25,
A box-shaped side wall portion 24 is formed by folding back a portion continuous with the outer surface wall 30 in a box shape and arranging the inwardly bent end 31 on the bottom plate end portion 32 connected to the bottom stand 25. Then, as shown in FIG. 6, the inner bent end 29 of the base 25 and the bottom plate end 3
2 and the inwardly bent end 31 of the side wall portion 24 with the engaging piece 33 cut and raised inward from the outer surface wall 30 of the side wall portion 24 to reinforce the assembled state, particularly the bottom 25
The cushioning base 2 is assembled from one cushioning sheet with no need for gluing at all to reinforce the portion.

Further, in this example, substantially L-shaped folding pieces 34 are provided on both sides of the outer surface wall 30, and the folding pieces 34 are folded into both side openings of the box-shaped side wall portion 24.
The notch 35 formed at the end of the folding piece 34 is attached to the bottom stand 25.
Further reinforcement is achieved by engaging both end portions of the inwardly bent end 29, the bottom plate end portion 32, and the inwardly bent end 31 of the side wall portion 24 at the overlapping portion.

FIG. 7 is a development view of the cushioning base 2 described above, in which one cushioning sheet is provided with notches and punches shown by solid lines and is bent by a folding curve shown by broken lines to be assembled. A bottom plate 26 having a slit 28 formed in the central portion is located, and a box-shaped side wall portion 24 is formed through a fold curve e that is valley-folded and fold curves f, g, and h that are mountain-folded.
The parts that make up are connected in series.

That is, the prismatic bottom 25 is formed by bending along the folding curves e, f, g, and h, and the outer surface wall 30 forming a part of the side wall portion 24 is formed on the bottom 25.
By bending a portion rising from one end and continuing to the outer surface wall 30 in which the slit 27 is formed into a box shape by folding curves i, j, and k of a mountain fold, an inward folding located outside the folding curve k. The bent end 31 is arranged along the bottom plate end 32 connected to the bottom plate 25 to form the box-shaped side wall 24.

A through hole 36 is formed on the folding line e, and the bottom stand 2 is formed by valley-folding at the folding line e.
A locking slit 37 cut from the end is formed at the overlapping portion of the inwardly bent end 29 of 5 and the bottom plate end 32. An engaging slit 38 is formed at an end of the inwardly bent end 31 located outside the folding curve k at a position corresponding to the engaging slit 37 when the end is bent along the bottom plate end 32. Has been done. An outer surface wall for locking the overlapping portion of the inner bent end 29 of the bottom pedestal 25 and the bottom plate end 32 formed with the locking slit 37 and the inner bent end 31 formed with the locking slit 38. A locking piece 33 is formed at the lower end of 30.

The locking piece 33 has a slit 39 punched in contact with one side on the folding curve h and a T-shaped notch 40 at a position corresponding to the locking slit 37 and the locking slit 38. Is formed so that it can be erected inwardly, and a locking notch 41 is formed at the end of the central portion. Therefore, the inward bent end 29 of the base 25 and the bottom plate end 3
Assembled state by engaging the engaging slits 37, 38 formed on the overlapping portion of 2 and the inwardly bent end 31 of the side wall portion 24 and the engaging notch 41 of the engaging piece 33 with each other. Has been achieved, and in particular, the reinforcement of the base 25 portion has been achieved.

Folding pieces 34 are formed on both sides of the outer surface wall 30 so as to be folded into a substantially L shape through the folding curves 1 and m of the mountain fold, and are configured to be folded into both side openings of the side wall portion 24 assembled in a box shape. A notch 35 is formed which engages with both ends of the overlapping portion of the inner bent end 29 of the base 25 and the bottom plate end 32 and the inner bent end 31 of the side wall 24.

The storage case 1 is stored in the shock-absorbing base 2 assembled in this way, but the projecting pieces 11 and 12 projecting from both side portions 9 and the bottom surface portion 10 of the storage case 1 are attached to the shock-absorbing base 2. As described above, the storage case 1 is fixed by being inserted into the slits 27 and 28 formed in the side wall portion 24 and the bottom plate 26. However, in order to achieve more reliable fixation of the storage case 1, the storage case 1 As shown in FIGS. 3 and 4, the protrusions 11 protruding from both side portions 9 of the cushioning base 2 and the slits 27 formed in the side wall portion 24 of the cushioning base 2 are more reliably engaged with each other. Buffer stand 2 for 11
An engaging groove 43 that engages with the terminal end portion 42 of the insertion slit 27 formed in the side wall portion 24 is formed.

That is, as shown in FIG. 5, the slit 27 formed in the side wall portion 24 of the cushioning base 2 terminates at a position higher than the bottom plate 26, and the engaging groove 43 engaging with the end portion 42 is formed. By providing it, more reliable fixing is achieved than by simply inserting the protrusion 11 into the slit 27. This prevents deformation and movement of the storage case against external forces, vibrations, and shocks applied to the packaging container, prevents direct stress on the packaging unit, and protects it from mechanical damage. It will be possible.

FIG. 8 shows a partition 4 used to reduce the collision between the packaging units and enhance the impact resistance when a plurality of packaging units 7 are stored in the storage portion 8 of the storage case 1. When the packaging units 7 are stacked back to back and stored in the storage unit 8, the packaging unit 7 is interposed between them to improve the impact resistance. A notch 44 is formed in the partition 4 at the center of the upper end so that when the packaging unit 7 is taken out, a finger can be inserted between the packaging units 7 to directly pick the packaging unit 7. The unit 7 can be easily taken out individually.

Further, on the left and right of the cutout portion 44, when the packaging units 7 are superposed on each other on their back sides, cutout portions 45 for escape of the parts coming to the back side of the packaging unit 7 are formed. For example, as shown in FIG. 9, when the packaging unit 7 is a liquid crystal display device, the lamp harness portion 46 protrudes from the back surface portion, but if the notch 45 for escape is formed, the lamp harness portion 46 will be divided into partitions 4. You can pay without having to butt.

The cut-off line 47 shown by a broken line at the lower end of the partition 4 is cut by the cut-off line 47 when a circuit component such as an electrolytic capacitor is projected from the back side of the liquid crystal display device. This is to form a space for escape.

By using such a partition, when a packaging unit 7 such as a liquid crystal display device is stored,
It is possible to efficiently store the protruding parts in the storage portion 8 of the storage case 1 in a state where the back surfaces are overlapped with each other. In addition, the platform that requires a space between the overlapping liquid crystal display devices is
It is also possible to cope by stacking a plurality of partitions 4. When the packaging unit 7 is a liquid crystal display device, as shown in FIGS. 2 and 9, the storage case 1 is housed in an antistatic plastic bag 48 and the partition 4 is interposed therebetween.
It is stored in the storage section 8 of.

FIG. 10 is a development view of the side pad 5, which is formed in a concave shape by bending it in the same direction at the folding curve n, and is located between the side wall portions 24 of the cushioning base 2 as shown in FIG. The storage case 1 is installed so as to sandwich the plurality of storage cases 1 from both sides.
Also, the packaging unit 7 housed inside is protected. Figure 1
1 is a development view of the top retainer 3 shown in FIG. 2, which is formed into a concave shape by bending in the same direction at a folding line o,
A plurality of storage cases 1 are collectively fixed by fitting from above into a recess 18 formed in the outer wall portion 16 of the storage case 1.

Each of the above-mentioned packaging parts can be easily prepared by punching a cushioning sheet such as a piece of cardboard paper at once with a punching die in which a metal blade is embedded to form cuts, punches and folding curves. . In addition, as shown in the development view of each part, each part is given a 4-digit number. However, if a common manufacturing control number is given in this way, it will be possible to manage the numbers of manufactured packaging containers. It is convenient for

The packaging container according to this embodiment has the protruding piece 11 of the storage case 1 in the X, Y and Z directions shown in FIG.
And the slit 27 formed on the side wall portion 24 of the cushioning base 2 is engaged to fix the Y direction.
The X- and Y-directions are fixed by the engagement between the end portion 42 and the locking groove 43 of the protrusion 11, and the engagement between the protrusion 12 of the storage case 1 and the slit 28 formed in the bottom plate 26 of the cushioning base 2. The X direction is fixed, the Y direction is fixed by the side pad 5, the Z direction is fixed by the ceiling retainer 3, and the two packaging units 7 accommodated in the accommodating portion 8 are accommodated by the partition 4 with a cushioning property. It is what

Therefore, even when vibration or impact is applied to the packaging container from the outside, the cushioning base 2 made of the cushioning sheet absorbs the force and prevents the force from being directly transmitted to the packaging unit 7. Since the storage case 1 is securely fixed, the storage case 1 is not deformed or moved,
Moreover, since the partition 4 made of the cushioning sheet is interposed between the plurality of packaging units 7, the impact resistance from the outside can be enhanced, and the packaging unit 7 such as the liquid crystal display device is mechanically operated. It is possible to provide a packaging container with little risk of being damaged.

[0052]

As described above in detail, the packaging container according to the present invention includes a storage case assembled from one cushioning sheet and a cushioning base for storing the storage case assembled from one cushioning sheet. In a packaging container that is assembled by inserting the projecting pieces that are provided on both sides and the bottom of the storage case into the insertion slits formed on the side wall and bottom plate of the cushioning base, the projecting pieces on both sides of the storage case The lower contour is downwardly inclined and the bottoms of the openings appearing on both sides of the storage case are also downwardly inclined, so when inserting a packaging unit such as a liquid crystal display device into the storage portion of the storage case, the corners of the packaging unit are inserted. Does not come into surface contact with the bottom of the opening, the contact area is small, and the sliding effect on the inclined surface also acts to prevent the packaging unit from catching on the bottom of the opening. Can be inserted into easily and smoothly storage case is the obtained providing fear less packaging container of damaging the packaging unit together can improve the efficiency of the packaging operation.

If the cushioning base is constructed as in claim 2, it is possible to assemble the cushioning base from a single cushioning sheet without any need for gluing.

Further, in the packaging container according to the third aspect, not only the storage case and the cushioning base are assembled by simply inserting the projection pieces into the slits, but also the engaging grooves are formed in the projection pieces on both sides of the storage case. However, since the locking groove and the slit end portion are engaged with each other, the fixing property between the storage case and the cushioning base is enhanced, and the force and vibration applied to the packaging container from the outside,
It is possible to prevent deformation and movement of the storage case due to impact, prevent direct stress from being applied to the packaging unit, and effectively protect the packaging unit from mechanical damage.

Further, in the packaging container using the partition according to the fourth aspect, since the partition is interposed between the plurality of packaging units housed in the storage case, the collision between the packaging units is relaxed, The impact resistance is further enhanced, and a cutout is provided at the upper center of this partition, so it is easy to take out individual packaging units, and multiple packaging units can be stored in the storage section. In this case, it could be an optimum packaging container.

Further, in the packaging container according to the fifth aspect, since the partition for interposing between the packaging units is formed with the notch for escape of the part projecting to the rear side of the packaging unit, the partition is provided on the rear side. Even if the packaging unit has protruding parts, it is possible to obtain a packaging container in which the back surfaces can be stacked and stored efficiently.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing one form of a packaging container of the present invention.

FIG. 2 is an exploded perspective view showing details of the packaging container.

FIG. 3 is a perspective view of a storage case used for the packaging container.

FIG. 4 is an exploded view of the storage case.

FIG. 5 is a perspective view of a cushioning base used for the packaging container.

FIG. 6 is a partially enlarged cross-sectional view of the cushioning base.

FIG. 7 is a development view of the cushioning base.

FIG. 8 is a front view of a partition used for the packaging container.

FIG. 9 is a perspective view showing a combination state of the partition and a liquid crystal display device as an example of a packaging unit.

FIG. 10 is a development view of a side pad used for the packaging container.

FIG. 11 is a development view of a ceiling retainer used for the packaging container.

FIG. 12 is a perspective view showing a state in which a liquid crystal display device is housed in a conventional packaging container.

FIG. 13 is an exploded perspective view of a conventional packaging container.

FIG. 14 is a perspective view of a conventional storage case.

FIG. 15 is a development view of a conventional storage case.

FIG. 16 is a perspective view of a conventional cushioning base.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Storage case 2 ... Buffer base 3 ... Top retainer 4 ... Partition 5 ... Side pad 6 ... Packaging outer box 7 ... Packaging unit 8 ... Storage section 9 ... Both sides 10 ... Bottom section 11, 12 ... Projection piece 13 ... Opening Part 14 ... Lower contour 15 ... Bottom 16 ... Outer wall 17 ... Partition 18 ... Recess 19 ... Semi-circular cutout 20 ... Corner 21 ... Notch 22 ... Bottom plate 23 ... Punching 24 ... Side wall 25 ... Bottom 26 ... Bottom plate 27, 28 ... Slit 29 ...
Inner bent end 30 ... Outer wall 31 ... Inner bent end 32 ...
Bottom plate end 33 ... Locking piece 34 ... Folding piece 35 ...
Notch 36 ... Through hole 37 ... Locking slit 38 ...
Locking slit 39 ... Slit 40 ... T-shaped notch 41 ...
Notch 42 for locking ... Terminal part 43 of slit 27 for insertion ...
Locking groove 44 ... Notch 45 ... Notch 46 for escape of parts 46 ... Lamp harness 47 ... Cutoff line 48 ... Antistatic plastic bags a, b, c, d, e, f, g, h, i, j, k, l,
m, n, o ... Folded curve a ... Horizontal score line B ... Vertical score line C ... Downward sloped score line 11 '... Cut part 16' ... Part 17 '... Part 12' ... Part

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-9-309525 (JP, A) JP-A-9-77087 (JP, A) JP-A-7-41079 (JP, A) JP-A-10- 139070 (JP, A) Actual development 1-158422 (JP, U) Actual development Sho 54-13624 (JP, U) Actual development 4-124986 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) B65D 85/86

Claims (5)

(57) [Claims] 1. Assembled from one cushioning sheet,
A storage case having a storage unit for the packaging unit and having projecting pieces projecting outward on both sides and a bottom surface section, and assembled from one cushioning sheet, and a slit for inserting the projecting piece of the storage case as a side wall section. In a packaging container provided with a cushioning base for accommodating storage cases formed in parallel on the bottom plate, the lower contours of the projecting pieces on both sides of the storage case formed by making cuts in the cushioning sheet are downwardly inclined. None, a packaging container characterized in that the bottoms of the openings of the cut marks appearing on both sides after assembling the storage case are also inclined downward. 2. The cushioning base comprises a pair of bases bent into a prismatic shape, a bottom plate reversely bent from an inwardly bent end of the base to connect the two bases, and a bottom. It has an outer surface wall that continuously rises from the stand, and is provided with a side wall part that folds the part continuous to the outer surface wall into a box shape and has the inner bent end along the bottom plate end part that connects to the bottom stand. By engaging the inner bent end of the base, the bottom plate end and the inner bent end of the side wall with the locking piece cut and raised inward from the outer wall of the side wall, without gluing The packaging container according to claim 1, which is assembled. 3. The protrusions on both sides of the storage case are formed with locking grooves that engage with the end portions of the insertion slits of the protrusions formed on the side walls of the cushioning base. Item 1. A packaging container according to items 1 and 2. 4. The packaging container according to claim 1, wherein the plurality of packaging units are accommodated in the accommodation portion of the accommodation case through a partition having a notch portion at a substantially central portion of the upper end. 5. The packaging container according to claim 4, wherein the partition is provided with a notch for escape of a component projecting to the back side of the packaging unit.