JP2002179148A - Packaging structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging structure which is capable of performing stable packaging as a whole even without using a polystyrene foam in the case where a relatively expensive commodity is packaged by using a corrugated board box, which becomes unbulky and is easy to store and control the commodity, and which uses an air bag capable of being discarded as refuse even after use. SOLUTION: The packaging structure is the one for storing a commodity 1 to be packaged in a corrugated board box 4 and for packaging it. In this packaging structure, at least a bottom of the commodity 1 is supported on a cushioning member 3 formed out of a corrugated board, and peripheral faces of the commodity 1, except the bottom thereof, are supported by an air bag 6 made of a resin film, which constitutes a plurality of independent air chambers when air is blown into the air bag 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a relatively large, generally rectangular plate such as a liquid crystal display device such as a personal computer or a plasma type display device used as a thin television, and the like. The present invention relates to a structure for packaging a product to which a glass material is attached.

[0002]

2. Description of the Related Art Generally, when this kind of product is transported to a user, it is necessary to strictly pack the product so that the glass portion of the display is not damaged. For this purpose, the cardboard box for storing the product is formed in a size having a volume five times or more the size of the product, so that the space around the product to be stored is large, and the impact from the outside is reduced. At the same time, a large amount of styrofoam cushioning material is used to cushion and support each corner of the product and the top, bottom, left and right.

The styrofoam cushioning material in this case is molded with high dimensional accuracy in a state substantially matching the size of the cardboard box and the size and shape of the product to be stored and packaged. It is formed and handled as a special packaging material and cushioning material for the specified product.

[0004]

However, the cushioning material made of styrofoam should be used so that it cannot be discarded as garbage in the near future due to the problem of pollution and that rattling does not occur between the product and the cardboard box. Because it is formed with high dimensional accuracy, during packaging work, it is necessary to attach a cushion to the product and then store it in a cardboard box, which requires multiple workers. Therefore, there is a problem that the workability of the packaging is poor.

[0005] Styrofoam cushioning materials are much bulkier than the products to be packaged, require a large space for stock at the packaging site, and are difficult to store and manage. Even when an unused cushioning material is transported to the packaging site, it has a problem that the transport efficiency is extremely poor because it is lightweight but bulky.

[0006] Therefore, in the conventional packaging structure using the cushioning material, it is possible to solve the problem of pollution and to improve the workability of the packaging while at the same time facilitating the storage management of the packaging material. There are problems that must be solved.

[0007]

SUMMARY OF THE INVENTION As a specific means for solving the problems of the prior art, the present invention relates to a packaging structure for accommodating and packaging a product to be packaged in a cardboard box, wherein at least a bottom portion of the product to be packaged is provided. Is supported by a cushioning member formed of corrugated cardboard, and the peripheral surface except the bottom of the packaged product is supported by a resin film airbag constituting a plurality of independent air chambers when blowing air. The present invention provides a packaging structure that is characterized.

Further, in the present invention, the air bag has a plurality of air passages each having an air passage leading to the air blowing port and a plurality of air chambers formed adjacent to each other via each check valve portion facing the air passage. A check valve is provided at the air blowing port; the cushioning member is formed by stacking corrugated cardboard and has a concave portion for supporting the lower part of the article to be packaged. That an insulative sheet material is interposed between the lower part of the packaged product and the cushioning member as an additional requirement.

In the packaging structure according to the present invention, the front, back, both side surfaces and upper surface of the packaged product are supported by an airbag, except for at least a lower cushioning member that receives the weight of the packaged product, By blowing air into the air bag at the time of packaging, a plurality of independent air chambers are formed, and the product to be packaged can be packaged in a reasonably stable manner.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a preferred embodiment of a packaging structure according to the present invention will be described with reference to the drawings. First, in the first embodiment shown in FIG. 1, a product 1 to be packaged is, for example, a display device called a liquid crystal display or a plasma vision, and is provided on a front side of a frame 2 having a predetermined size. A glass plate 3 for display is attached. For example, the thickness is 85 to 85.
It is a relatively large, approximately 100 mm, 640 mm high, 1035 mm wide, thin, rectangular overall.

The configuration for packaging such products is mainly composed of a cardboard box 4, a lower cushioning material 5 made of cardboard, and a special air bag 6. The corrugated cardboard box 4 has a configuration in which the inner flap 7 and an outer flap 8 that is covered in abutting state are continuously provided on the upper edge at a thin shape according to the shape of the article to be packaged 1.

The lower cushioning member 5 is formed by laminating a plurality of cardboards, and in a state where the corrugated plate is positioned in the vertical direction. The corner cushioning material 5a is preferably formed in a state of being divided into three parts, and is located at the corner at the bottom.
5b is formed with concave portions 9 and 10 in which the corners of the frame 2 in the packaged product 1 fit, and the center cushioning member 5c located in the middle portion is formed with the concave portion 11 in which the middle portion of the frame 2 in the packaged product 1 fits. Are formed.

As the special air bag 6, two air bags having the same shape are used in the illustrated embodiment. Describing one of them, the air bag is formed of a resin film, and specifically, a plurality of independent air chambers 12a, 12b having a rectangular shape.
12n are formed laterally adjacent to each other with intervals 13a, 13b... 13n, and an air blowing port 14 is provided at one end side corner (upper edge). By blowing air, each of the air chambers 12a, 12b,..., 12n expands to form an air cushion.

In this case, each of the expanded air chambers 12a, 1a
.., 12n are configured to be able to maintain the inflated state independently. That is, as shown in FIG. 2, the airbag 6 is formed by overlapping and welding two resin films 15 and 16, and the edge portions (upper end edge) of the two resin films are formed. ) Side, the air blowing port 14
Two thinner resin films 17 for forming
18 are overlapped and welded, and the two thin resin films 17 and 18 form an air passage 19 and each air chamber 1.
A valve portion having a check function, that is, a check valve portion 20 is formed at 2a, 12b... 12n.

This structure will be described in more detail and one typical air chamber 12a will be described.
Are welded over the entire overlapped portion from the upper edge to the lower edge, except for a portion 22 corresponding to the portion forming the air passage 19. That is, the portions indicated by cross-hatching are portions to be entirely welded from the top to the bottom of the laminated resin films.

For the remaining portion 22, that is, the dotted portion, the front side resin film 15 and the inside thin resin film 17 are welded, and the back side resin film 16 and the inside thin resin film 18 are welded respectively. Since the thin resin films 17 and 18 on the inner side are not welded to each other, the upper edge including the portion becomes a passage for the blown air.

In order to form the check valve portion 20 on the air passage 19 side in the air chamber 12a, a predetermined length (a length not reaching the middle portion) is set on the air chamber 12a side in a state of crossing from the welding portions 21 on both sides. Then, a welded portion 23 (portion indicated by a vertical line) is formed. The welded portion 23 is a portion for welding only the thin resin films 17 and 18 stacked on the inner side, and thereby allows the flow of air from the air passage 19 side to flow into the air chamber 12a. When the internal air pressure increases, the overlapping thin resin films 17 and 18 are pressed in close contact with each other, so that the internal air does not flow out or leak to the air passage 19 side.

Further, an auxiliary welding portion 23a may be provided in order to further provide the check function.
a makes the air blowing passage zigzag,
There is no problem with the blowing action, and when the backflow is attempted, the whole is pressed evenly by the pressure inside the air chamber, and the two resin films 17 and 18 are brought into close contact with each other, so that the check function is further improved. The adjacent air chambers 12b... 12n have the same configuration. The welded portion 24 is a weld around the superposed resin films, and establishes the air chambers 12a, 12b... As airbags.

The special air bag 6 constructed as described above
When packaging the article to be packaged 1 by using, first, the lower cushioning material 5, that is, the corner cushioning material 5 a,
5b and the center cushioning material 5c are respectively set at predetermined positions. Next, the lower frame of the article to be packaged 1 is fitted into the recesses 9, 10, 11 of each cushioning material, and is maintained in an upright state at a substantially central portion of the cardboard box 4.

The packaged product 1 is stored in a state where the whole product is wrapped in a bag formed entirely of a resin film.
Even so, in order to prevent the lower cushioning material 5 and the lower frame of the packaged product 1 from being rubbed and damaged, for example, a sheet material 25 having resilience such as urethane foam or styrene foam is directed to the lower frame. Recesses 9, 1 of lower cushioning material 5
It is better to fit in 0,11. Thus, the sheet material 2
By the presence of 5, there is no rattling between the lower cushioning material and the cushioning function is further enhanced. For this reason, each of the recesses 9, 10, 11 provided in the lower cushioning material
When the lower frame is formed slightly larger than the width of the lower frame, the fitting operation becomes easier, and the dimensional accuracy of forming the concave portion is not required to be so strict.

Special air bags 6 are provided on the front side and the back side of the packaged product 1 stored in the upright state, respectively.
Appropriate means from each air blowing port 14, for example,
By blowing air with an air nozzle or the like connected to the compressor, the air passage 19 at the upper end edge and each check valve 2
.. Are blown into the respective air chambers 12a, 12b,... Respectively, and the respective air chambers 12a, 12b. It comes into contact with the inside with a predetermined pressing force,
It serves as an air cushion to maintain the packaged product 1 in a stable state.

This contact state with a predetermined pressure contact force can be achieved when each of the air chambers 12a, 12b,..., 12n expands to approximately 85% or less of the allowable expansion rate, and is shown in FIGS. 3 and 4. As shown, each of the expanded air chambers 12
.., 12n are in contact with the cardboard box 4 and the article to be packaged 1 at substantially equal intervals with predetermined spacing portions 13a, 13b,. Is not pressed intensively on the relatively weak middle part of the. In this case, a special nozzle is used that has a function to automatically shut off the air blowing operation when the inside of the air bag reaches a predetermined pressure so that excessive air is not blown. You. The reinforcing corrugated paper 26 may be provided in a relatively weak intermediate portion of the corrugated cardboard box 4, that is, inside the front and rear face walls.

Further, since the air bag 6 is formed slightly larger than the packaged product 1, the air chambers 12a and 12n located at the ends of the packaged product when the air is blown into a cylindrical shape. 1 are protruded from both sides of the packaged product 1, and the upper portions of the air chambers 12a, 12b... Are positioned protruded from the upper portion of the packaged product 1, thereby substantially lowering the packaged product 1. The surroundings of the front, back, both sides and the upper surface excluding are covered with the air bag 6, and these surroundings work as a so-called air cushion after blowing air.

Further, as the air bag 6, the air bag of the second embodiment shown in FIGS. 5 and 6 can be used. Also in this embodiment, two resin films 1
5 and 16 are overlapped and welded.
An air passage 1 in which an airbag body 6a located on the front side and an airbag body 6b located on the back side are provided at the center.
9 in a series. Air chambers 12a, 12b... 12n in air bag bodies 6a, 6b
Are spaced portions 13a, 13b as in the above-described embodiment.
13n are formed in the state of being adjacent in the horizontal direction.

The air passage 19 is formed by sandwiching and welding two thin resin films 17 and 18, and the air chambers 12a, 12b on both sides connected to the air passage 19 in the same manner as in the above embodiment. A valve portion having a check function, that is, a check valve portion 20 is formed at 12n. In this case, the air chambers 12a, 12b,..., 12n are connected to each other over a predetermined length (length not reaching the middle part of each air chamber) in a state of crossing from the top of each welded portion 21 on both sides. The welding portions 27a and 27b to be formed are formed, and the welding portions 27a and 27b forming the pair only have to be entirely welded to the four overlapping resin films. In the same manner as in the above-described embodiment, auxiliary welding portions are provided on the two thin resin films 17 and 18 located on the air chambers 12a, 12b... 12n side in order to improve the check valve function. 23a
Can be provided.

The air blowing port 14 in the air passage 19 is formed at one end, and the air blowing port 14 has a check valve 28 formed separately.
Is used. The end portion facing the air blowing port 14 is completely welded 29 and completely closed.

The air bag 6 thus formed is:
The packaged product 1 is used to be packed in a cardboard box in the same manner as in the above-described embodiment, and the lower portion of the packaged product 1 is provided with a lower cushioning material 5 (corner cushioning material 5a, 5b, the center cushioning material 5c, and the sheet material 25), and as shown in FIG.
When the airbag body 6b is positioned on the rear side so that the airbag body a is positioned on the front side, and the air passage 19 is positioned so as to be positioned on the upper surface of the packaged product 1, the welding portions 27 forming a pair are formed.
The space between a and 27b is relatively easy to be broken, so that the applied state is stable and the whole of the packaged product 1 protrudes from the left and right ends.

In this state, air is blown into the air passage 19 from the air blowing port 14 by appropriate means.
Air is blown into each of the air chambers 12a, 12b,..., 12n via a check valve portion 20, and each of them expands into a cylindrical body. Each of the expanded air chambers 12a, 12b.
Predetermined spacing portions 13a, 13b in an independent state
13n, the inside of the cardboard box 4 and the front side and the back side of the packaged product 1 are in contact with the packaged product 1 at substantially equal intervals, and the air passage 19 is maintained in an expanded state by the check valve 28. It is located on the upper surface. Therefore, the periphery of the front surface, the back surface, the both side surfaces, and the upper surface except the lower part of the packaged product 1 is covered with the air bag 6, and becomes an air cushion after blowing air.

Further, the third air bag 6 shown in FIG.
This embodiment is a modification of the second embodiment. That is, the airbag body 6a that covers one surface (for example, the front side) of the packaged product and the airbag body 6b that covers the other surface (for example, the back side) are configured to separately blow air. At the same time, it is configured to be applicable when the top surface of the packaged product is wide.

For this purpose, a wide welding portion 3 is provided at a substantially central portion.
0 is provided and separated, and an air passage 19a is provided on the side of the air bag body 6a adjacent to the bonding portion 30, and an air passage 19b is provided on the side of the air bag body 6b. One end has an air blowing port 14
a, 14b and check valves 28a, 28b
Is provided.

Air distribution chambers 32a and 32b are formed adjacent to the air passages 19a and 19b and also serve as air passages through welding portions 31a and 31b. The air distribution chambers 32a and 32b and the air passages 19a and 19b are formed. Are communicated by unwelded portions 33a, 33b on the end portions relatively far from the air blowing ports 14a, 14b. Thus, the air passages 19a, 19b and the air distribution chamber 32
By providing a and 32b and by appropriately increasing the number of air passages, it is possible to cope with the case where the upper surface of the packaged product is wide.

The air bag bodies 6a and 6b are formed in series via the air distribution chambers 32a and 32b, respectively. The structure formed is substantially the same as that of the second embodiment. Since they are the same, the same portions are denoted by the same reference numerals, and a detailed description thereof will be omitted to avoid duplication.

FIG. 8 schematically shows a further modification of the airbag 6. As shown in FIG. This modification is a further modification of the third embodiment, and the air bag 6
a, 6b, the air blowing port 14
The other parts are substantially the same except for the directions in which the a and b are formed, and therefore the same reference numerals are given and the detailed description thereof is omitted.

In this modification, third airbag bodies 36a and 36b are formed between the airbag bodies 6a and 6b to be positioned on the upper surface of the article to be packaged. These third airbag bodies 36a, 36b
Is connected to both airbag bodies 6 through the welding portions 34a and 34b.
a, 6b are formed completely independently of each other, and are separated to the left and right by a welded portion 35 at an intermediate portion.

Then, each third air bag body 36a,
36b, a plurality of air chambers 42a, 42a
42n are formed adjacent to each other with spacing portions 43a, 43b... 43n, and air passages 39a and 39b are provided on the free end side facing these air chambers, respectively.
The air passages are provided with air blowing ports 44a and 44b. These configurations are substantially the same as the configurations of the air bag bodies 6a and 6b described above, and the air blown from the air blowing ports 44a and 44b
Air chambers 42a, 42b... 42n via 9a, 39b
, 42n, and the air chambers 42a, 42b,..., 42n are bulged into a cylindrical shape, and each air chamber becomes individually independent. Needless to say, reference numerals are not given between the air passages 39a, 39b and the respective air chambers 42a, 42b,..., 42n, but naturally there is a check valve portion.

The reason why the above-mentioned other modified example is shown is that the air bag body having independent air chambers can be divided into a plurality of directions and formed in series, and a plurality of air bags can be simultaneously formed. When the bag body is formed, the air passage, the check valve portion and the air chamber are individually provided, so that the air bag body is independent, and when each air chamber of the air bag body is inflated, This is to clarify that they are independent.

In any of the embodiments, the air chambers 12a, 12a
... 12n, 42a, 42b... 42n are check valve portions 2
0 to maintain independent expansion states, and the air passages 19, 19a, 19b in the second and third embodiments also have check valves 28, 28a, 28.
Since the expansion state is maintained by b, even if one of the air chambers breaks due to an external factor and air leaks, since the other air chambers are independent of each other, the cylindrical expansion state is maintained. The state is maintained, and the air cushion works to stably hold the packaged product 1 as it is.

In the illustrated embodiment, the space between the stored goods 1 stored in the cardboard box 4 and the inner side of the cardboard box 4 is represented by a distance close to the thickness of the stored goods 1. Further, the interval can be reduced to 1/2 or less. In this case, the size and the interval of each air chamber are formed to be small, and for example, the cylindrical diameter when each air chamber is expanded is 30 to 40.
When the thickness is about mm, a sufficient air cushion function can be exerted, and the size (depth or thickness) of the corrugated cardboard box 4 can be reduced accordingly, and the use of corrugated cardboard can be reduced.

Further, the packaged product 1 is not limited to the display device as described above. For example, a personal computer equipped with a cathode ray tube, a television receiver, an imaging device such as a video camera, and other expensive products such as cardboard boxes. In the case of a packaging structure in which a cushioning material such as styrofoam is used when transported in a package, at least the lower part of the packaged product is supported by a cushioning member formed of corrugated cardboard sufficient to receive the weight of the product. Around the five sides of
It is a requirement to support with a so-called air cushion by an air bag, and by using an air bag, it is only necessary to inflate by blowing air at the time of packaging work, and packaging is not required to have strict dimensional accuracy such as positioning. The work is easy, and the storage and management of the airbag is also easy without requiring any extra space.

Further, after use, the air bag is evacuated to form a thin film by bleeding the air, and the overall capacity as a cushioning material is significantly reduced, so that disposal as waste can be easily performed. It becomes easy without bulk.

[0041]

As described above, the packaging structure according to the present invention is a packaging structure for storing and packaging a product to be packaged in a cardboard box, wherein at least the bottom of the product to be packaged is formed of cardboard. The packaged product is supported by a cushioning member, and the peripheral surface excluding the bottom of the packaged product is supported by a resin film airbag that composes a plurality of independent air chambers when air is blown into the packaged product. Since the bottom that receives the weight of the product is formed of a strong cardboard laminate, and the other surrounding parts are supported by the air cushion function of multiple independent air chambers of the air bag,
Even without using conventional Styrofoam, stable packaging is possible as a whole, and the air bag blows air during the packaging operation to inflate it. It has an excellent effect that transport and storage management are easy, and it can be discarded as garbage even after use.

In the packaging structure according to the present invention, the product to be packaged is set in the cardboard box with the cushioning member at the bottom.
By setting the air bag and blowing air, a plurality of independent air chambers are formed, and the product to be packaged can be packaged in a reasonably stable state, so that there is an excellent effect that the packaging operation can be performed extremely easily.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of a packaging structure according to the present invention, and is a schematic perspective view showing the packaging structure separately.

FIG. 2 is an enlarged and exploded perspective view showing only a main part of an example of an airbag used in the packaging structure.

FIG. 3 is a schematic plan view showing one packaging example in the packaging structure.

FIG. 4 is a schematic sectional view of a main part showing one packaging example in the packaging structure.

FIG. 5 is a plan view showing a second embodiment of an airbag used in the packaging structure.

FIG. 6 is an explanatory diagram showing a use state of the airbag according to the second embodiment.

FIG. 7 is a plan view showing an airbag according to a third embodiment used in the packaging structure.

FIG. 8 is an explanatory view schematically showing a modification of the airbag according to the third embodiment.

[Explanation of symbols]

1 packaged goods, 2 frames, 3 glass plates, 4
Cardboard box, 5 cushioning material, 5a, 5b corner cushioning material, 5c center cushioning material, 6 air bag,
6a, 6b air bag body, 7 inner flap, 8
Outer flap, 9, 10, 11 recess, 12a, 12
b ... 12n, 42a, 42b ... 42n Air chamber, 1
3a, 13b ... 13n, 43a, 43b ... 43n
Spacing portion, 14, 14a, 14b, 44a, 44b Air blowing port, 15, 16 Resin film, 17, 18
Thin resin film, 19, 39a, 39b Air passage, 20 Check valve part, 21, 23, 29, 30, 31
a, 31b, 34a, 34b, 35 welding part, 22 part of the remaining welding, 23a auxiliary welding part, 24 surrounding welding part, 25 sheet material, 26 reinforcing corrugated paper, 27a, 27b welding part forming a pair, 28, 28
a, 28b check valve, 32a, 32b air distribution chamber,
33a, 33b Unwelded portion, 36a, 36b Third airbag body.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E066 AA03 AA52 CA01 CA04 CB03 GA01 HA01 JA03 KA02 KA08 KA20 MA01 MA09 NA42 3E067 AA12 AB41 AC01 BA06A BB01A BC06A EC32 EC33 ED03 ED04 FA02 FC01

Claims (5)

[Claims] 1. A packaging structure for storing and packaging a packaged product in a cardboard box, wherein at least a bottom portion of the packaged product is supported by a cushioning member formed of cardboard, excluding a bottom portion of the packaged product. A packaging structure in which a peripheral surface is supported by an air bag made of a resin film constituting a plurality of independent air chambers when air is blown. 2. The air bag comprises a plurality of air bag bodies each including an air passage leading to an air blowing port, and a plurality of air chambers formed adjacent to each other through respective check valves facing the air passage. The packaging structure according to claim 1, wherein the packaging structure is configured. 3. The packaging structure according to claim 1, wherein a check valve is provided at the air blowing port. 4. The packaging structure according to claim 1, wherein the cushioning member is formed by stacking corrugated paper and providing a concave portion for supporting a lower part of the article to be packaged. 5. The packaging structure according to claim 1, wherein a resilient sheet material is interposed between the lower part of the packaged product and the cushioning member.