JP3057008B2 - Cushioning material for packaging - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cushioning / fixing material for packaging used for packaging home electric appliances, precision equipment, broken objects and the like.

[0002]

2. Description of the Related Art When packing home appliances, precision equipment, broken objects, and the like in a packaging box, the packaging box is damaged or damaged due to vibration or impact during transportation, and the packaging boxes are stacked during storage. In order to prevent direct load from being applied,
2. Description of the Related Art A method has been used in which an article to be packaged is held in a packaging box while being held by a cushioning material for packaging. Examples of such a cushioning / fixing material for packaging include a foam formed of a synthetic resin such as polyethylene molded into a predetermined shape, and a cardboard board assembled into a predetermined shape. However, the cushioning / fixing material for packaging using a synthetic resin is not preferable in terms of storage and disposal because it occupies a large volume and always maintains the original shape, and has a problem in terms of recycling.
For these reasons, there is a tendency that a cushioning and fixing material for packaging using a corrugated cardboard is more frequently used than a synthetic resin.

Hereinafter, a conventional example of a cushioning and fixing material for packaging using such a cardboard board will be described with reference to the drawings. FIG. 12 is a perspective view of a conventional cushioning and fixing material for packaging (conventional example 1) using a cardboard board. 12, 100 is a cardboard board, 101 is an upper board, 102a-
102c is a side plate, 103 is an insertion piece, 104a to 104d
Denotes a fold, 105a to 105d denote tongue pieces, 106 denotes an inner bottom plate, and 107 denotes a product holding part. As shown in FIG. 12, the packaging cushioning and fixing material of the first conventional example has a structure in which a single cardboard plate 100 is bent and wound into a square ring, and formed at the end of the side plate 102a. The rectangular annular structure is maintained by inserting the inserted insertion piece 103 into an insertion piece fitting portion (not shown) formed in communication with the side plates 102b and 102c. Also, the upper plate 10 of the cardboard board 100
1 includes folds 104a, 104b, 104c, 104d
Tongue pieces 105a connected to the upper plate 101 through each of the
105b, 105c, and 105d are formed, and these tongue pieces 105a, 105b, 105c, and 105d are folded toward the inner bottom plate 106, so that the product holding portion 10 is formed.
7 are formed. Note that the cardboard board 100 below the upper board 101 is cut open at a position corresponding to the product holding unit 107. The first conventional buffer shock-fixing material having the above-described configuration is set upright with the product holding portions 107 facing each other as one set, and a part of the packaged object is fitted into the product holding portion 107. After holding, it is stored in a predetermined packaging box.

FIG. 12 shows a first conventional cushioning / fixing material for packaging, which is used by a packaging worker assembling from a flat cardboard plate. A simple assembling type cushioning and fixing material for packaging, which further simplifies assembly, is disclosed in Japanese Utility Model Laid-Open Publication No.
It is abbreviated as "A". ) Etc. are proposed. Next, a simple assembling type cushioning / fixing material for packaging described in Japanese Patent Application Publication No. A will be described with reference to FIG. FIG. 13 shows a conventional simple-assembled cushioning material for packaging using a cardboard board (conventional example 2).
It is a perspective view of. In FIG. 13, 110, 110a,
110b is a back plate, 111a and 111b are side plates, 112
a and 112b are upper plates, 113a and 113b are side plates, 11
4a and 114b are fastening plates, 115a and 116a are middle plates,
117a and 117b are buffer parts, and 118a and 118b are product holding parts. As shown in FIG. 13, the cushioning / fixing material for packaging according to the second conventional example is connected to a back plate 110 having back plates 110a and 110b on both sides via folds A and A 'with the back plate 110. Upper plates 112a and 112b formed by connecting side plates 111a and 111b with side plates 111a and 111b via folds B and B ', and upper plate 112
a, 112b and side plates 113a, 113b formed continuously through the folds C, C ', and side plates 113a, 113b.
b and one of the fastening plates 114a and 114b formed continuously with the folds D and D 'therebetween. The fastening plates 114a and 114b are each made of a back plate. 110 and an adhesive or the like.

Prior to assembling, the cushioning / fixing material of the second prior art has a flat plate shape in which only the folds B and B 'are mountain-folded, but the folds A and A' and the folds C and C 'are mountain-folded. , The folds D and D 'are valley-folded to form the back plate 11.
0a, side plate 111a, upper plate 112a, side plate 113a, a rectangular annular portion, back plate 110b, side plate 111
b, a rectangular annular portion composed of an upper plate 112b and a side plate 113b are formed facing each other. Then, the folds E and G are mountain-folded, the fold F is valley-folded, and the middle plate 115a formed continuously with the upper plate 112a, the middle plate 115a and the side plate 1 are formed.
A substantially concave annular buffer portion 117a is formed by indenting a middle plate 116a formed continuously with 13a into the inside of the rectangular annular portion. Although not shown, a substantially concave annular buffer portion 117b is formed in the same manner, and the recessed portions of these buffer portions 117a, 117b serve as product holding portions 118a, 118b. Similarly to the first conventional example, the cushioning / fixing material for packaging of the second conventional example having the above-described configuration is made up of two members, and is set upright with the product holding portions facing each other. After the part is fitted and held, it is stored in a predetermined packaging box. Further, the cushioning / fixing material for packaging of the second conventional example becomes flat when the cushioning part is crushed, and the cushioning part and the product holding part can be easily formed along the fold at the time of assembly.

[0006]

However, the above-mentioned conventional cushioning / fixing material for packaging has the following problems. The cushioning / fixing material for packaging in the first conventional example is as follows: 1) In order to hold a packaged object and secure sufficient strength to buffer external shocks and vibrations, the required strength is increased and the cardboard board is increased. And the structure becomes complicated, the work time required for assembly is long, and the work efficiency is lacking. 2) In addition, a long cardboard board lacks its own storage properties, and a sufficient assembling space must be secured in order to assemble the cushioning and fixing material for packaging from the long cardboard board. 3) Also, in order to omit the work of assembling the cardboard board by the packaging worker, even if the packaging worker tries to deliver the cushioning and fixing material for packaging in an assembled state, the occupied volume is large in the assembled state. Lack of transportability and storage.

Further, the cushioning / fixing material for packaging in the second conventional example is 4) easy to assemble, but the concave annular buffer portion formed after assembling is not of a structure which can be stably self-supported. In order to secure the shape of the product and to fit the article to be packaged into the product holding portion, a predetermined jig is required, and the workability is poor and the work time is long. 5) In addition, since the inside of the concave annular cushioning portion is hollow and does not have a structure for reinforcing the strength of the cushioning portion, the self-holding shape is lacking, and the middle plate forming the product holding portion has a fold. Since it is suspended only because it is connected to the upper plate and the side plate via the media, it is necessary to ensure sufficient shock absorption and drop strength when it is stored in the packaging box while holding the packaged object. In addition to the above, when the packaging boxes are stacked and stored, the load resistance is insufficient and the rigidity is lacking. 6) Also, since a part of the product holding portion is formed by the cut line, in a state where the packaged object is held by the product holding portion, the surface of the packaged product is scratched by vibration or impact during transportation. The packaged product is liable to be damaged, and the packaged product is easily caught by the cut line.

The present invention solves the above-mentioned conventional problems, is excellent in storage and transportability before assembly, is easy to assemble, requires less work time and work space for assembly, and has lower workability and work efficiency during assembly. It has a high shock-absorbing material that can secure its shape very stably by itself after assembling, and has high holding strength, drop strength and loading pressure of the packaged material, and excellent vibration resistance and shock absorption. For the purpose of providing.

[0009]

Means for Solving the Problems To solve the above-mentioned problems, the cushioning and fixing material for packaging according to the present invention comprises (a) an outer bottom plate, an outer plate, an upper plate, an inner A plate, a middle side plate connected in parallel with the both side plates between the both side plates via a fold on the top plate, and an inner side plate and a middle side plate connected continuously through the folds, and partially fixed to the outer bottom plate. An inner bottom plate, and two first member buffer sections each having a substantially square cross section formed by:
One or more shape-retaining pieces that are connected to the outer bottom plate via a fold and are erected in the first member buffer portion and support between the inner walls of both side plates, and are formed when the shape-retaining pieces are bent. A first member having an opening, and a product holding portion sandwiched between two first member cushioning portions formed on both sides;
(B) two second member buffer sections each having a substantially rectangular cross section formed by an outer bottom plate, an outer plate, an upper plate, and an inner plate that are continuously provided via side folds; an outer bottom plate; an outer plate; One or more shape holding pieces that are connected to one of the upper plate and the inner plate via a fold and are erected in the second member buffer, and are connected to the inner plate via a fold, and are connected to the outer bottom plate. A second member having an inner bottom plate partially fixed, and a contact portion formed by punching a central portion of each of the outer plate and the inner plate, and a second member provided at an opening of the first member. Is formed by fitting the second member buffer portion.

[0010] With this configuration, the storage and transport properties before assembly are excellent, the assembly is easy, the work time and work space required for assembly are small, the workability and work efficiency during assembly are high, and after assembly, the work itself is extremely high. The shape can be secured stably, and the holding strength, drop strength and load resistance of the packaged object are high,
It is possible to provide a cushioning and fixing material for packaging having excellent vibration resistance and shock absorption.

In order to solve the above-mentioned problems, another aspect of the present invention provides a cushioning and fixing material for packaging comprising: (a) an outer bottom plate, an outer plate, an upper plate, and an inner A plate, a middle plate provided in parallel with the both plates between the two plates via the folds on the top plate, and connected to the inner plate and the middle plate via the folds, and partially fixed to the outer bottom plate. An inner bottom plate, two first member cushioning sections each having a substantially square cross section formed by:
(B) a first member having one or more shape retaining pieces that are connected to any one of the outer bottom plate, the outer plate, the upper plate, and the middle plate via a fold and that are erected in the first member buffer portion; A) a substantially rectangular annular external buffer portion formed by an outer upper plate, two outer plates, and an outer bottom plate that are continuously provided via side folds; A substantially rectangular annular internal buffer portion formed in the external buffer portion by the inner plate, the inner upper plate, and the inner plate, and the internal buffer portion is connected to one of the outer bottom plate, both the inner plates, and the inner upper plate via a fold line. One or more shape holding pieces erected in the part, a product holding part cut out of the outer upper plate,
And a second member having: a first member inserted from a side surface of the second member.

With this configuration, the storage and transport properties before assembly are excellent, the assembly is easy, the work time and work space required for assembly are small, the workability and work efficiency during assembly are high, and after assembly, the work itself is extremely easy. The shape can be secured stably, and the holding strength, drop strength and load resistance of the packaged object are high,
It is possible to provide a cushioning and fixing material for packaging having excellent vibration resistance and shock absorption.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is characterized in that: (a) an outer bottom plate, an outer plate, an upper plate, an inner plate, and a fold formed on the upper plate, which are continuously provided via side folds; Formed by a middle side plate connected between the both side plates in parallel with the both side plates, and an inner bottom plate connected to the inner side plate and the middle side plate via a fold and partially fastened to the outer bottom plate. One of the first member buffer portions having a substantially square cross section and one connected to the outer bottom plate via a fold line and erected in the first member buffer portion to support between the inner walls of the both side plates. A first member having the above shape holding piece, an opening formed when the shape holding piece is bent, and a product holding portion sandwiched between two first member cushioning portions formed on both sides; (B) a cross section formed by an outer bottom plate, an outer plate, an upper plate, and an inner plate, which is continuously formed through side creases, and has a substantially square cross section; A second member buffer portion of the outer bottom plate,
One or more shape holding pieces that are connected to any one of the outer plate, the upper plate, and the inner plate via a fold and are erected in the second member buffer, and are connected to the inner plate through the fold, A second member having an inner bottom plate partially fixed to the bottom plate, and a contact portion formed by punching a central portion of each of the outer plate and the inner plate; and a second member having an opening in the first member. It has a configuration formed by fitting two second member buffer portions.

With this configuration, the first member buffer and the second member
The first member and the second member provided with the first member buffer portion or the second member buffer portion which are remarkably reinforced by the shape holding pieces provided inside the member buffer portion, have high impact strength and compressive strength, and are capable of standing independently. The member is formed such that a space is formed by an abutting portion of the second member between the outer bottom plate of the first member and the outer bottom plate of the second member.
By fitting the two members, it is possible to realize an extremely high holding strength in the product holding portion, and to have an effect that the drop strength and the load resistance can be significantly increased.

Further, since a double damping structure including the first member damping portion of the first member and the second member damping portion of the second member is provided, shocks and vibrations applied from outside can be applied to both damping portions. It is possible to reduce shocks and vibrations that are absorbed and transmitted to the article to be packaged, and have an effect that a shock absorbing and fixing material for packaging having excellent shock absorption and vibration resistance can be realized.

Further, since both the first member and the second member are flat before assembly, the space required for storage is extremely small, and the first member and the second member can be transported very efficiently.

Further, since the first member and the second member only require an area approximately equal to the occupied area required after assembling even in the flat state before assembling, the working space required for assembling and packaging work is small, and By folding the folds formed in advance in the cardboard board in a predetermined direction, it is possible to extremely easily assemble the flat board.

Further, the first member and the second member can stand very stably after assembly, and the cushioning and fixing material for packaging obtained by fitting these members allows the article to be packaged to fit into the product holding portion. In this case, since the shape can be stably maintained, there is an effect that a packaging method with high workability and work efficiency at the time of assembly and packaging can be realized.

According to a second aspect of the present invention, in the first aspect, the opening direction of the first member buffer is orthogonal to the opening direction of the second member buffer. With this configuration, since the cardboard piece that is orthogonal to any surface of the packaging buffer fixing material is provided, the strength, impact resistance, and drop resistance of the packaging buffer fixing material can be further improved. It has the action of:

According to a third aspect of the present invention, in the first aspect of the present invention, the shape of the opening is different between the two first member buffer portions. . With this configuration, the opening of the first member is made different in size between the two first member buffers, and the shape of the second member buffer of the second member fitted to the opening is correspondingly formed. This makes it possible to specify the direction in which the first member and the second member are fitted together, wastes working time in trying to fit the first member in the wrong direction, and makes it difficult to use the opening and the second member buffer. This has the effect of preventing a decrease in work efficiency such as deformation and breakage.

The invention described in claim 4 of the present invention is the first invention according to any one of claims 1 to 3.
The member is formed so as to be continuous with the upper plate via a fold, and has a structure in which a bendable tongue piece is provided on the inner bottom plate side.
With this configuration, it is possible to extremely smoothly insert and remove the packaged object from the product holding section, and to insert and remove the packaged article from the product holding section and to cover the product holding section. In a state where the package is held, the package has an effect that it is possible to prevent the package from being damaged by the cardboard pieces exposed by the cut.

According to a fifth aspect of the present invention, in the first aspect of the present invention, there is provided the first aspect of the invention.
The member has a substantially linear punched portion formed continuously with the opening in the outer bottom plate, and the second member has a fitting portion fitted in the punched portion in the outer plate and / or the inner plate. Configuration. With this configuration, the shape when the first member and the second member are fitted to each other is more stabilized, and the strength of the whole cushioning and fixing material for packaging is further improved.

The invention described in claim 6 of the present invention is characterized in that (a)
An outer bottom plate, an outer plate, an upper plate, and an inner plate, which are continuously provided via side folds; a middle side plate which is provided in parallel with the both side plates between both side plates via the folds on the upper plate; An inner bottom plate connected to the middle side plate via a fold and partially fixed to the outer bottom plate, and two first member cushioning sections having a substantially square cross section formed by the outer bottom plate, the outer plate, A first member having one or more shape holding pieces that are connected to one of the upper plate and the middle plate via a fold and are erected in the first member buffer portion;
(B) An outer rectangular plate formed by an outer upper plate, two outer plates, and an outer bottom plate connected to each other via a fold at a side portion, and an outer buffer plate formed continuously from the side portion of the outer bottom plate through a fold. The inner plate, the inner upper plate, the inner plate and the substantially rectangular annular inner buffer formed in the outer buffer, and the outer bottom plate, both inner plates, and the inner upper plate are connected to each other via a fold line. A second member having one or more shape holding pieces provided upright in the internal buffer portion, and a product holding portion cut into an outer upper plate;
It has a configuration formed by inserting a member from the side surface of the second member.

According to this configuration, the strength is remarkably reinforced by the shape holding pieces erected inside the first member cushioning portion and the inner cushioning portion, and the first member cushioning portion or the inner member having a high impact strength and compressive strength and being self-supporting. By inserting the first member into the second member such that the first member and the second member provided with the buffer portion have a space between the outer bottom plate of the first member and the outer bottom plate of the second member. In addition, an extremely high holding strength can be realized in the product holding portion, and the drop strength and the load resistance can be significantly increased.

Further, since a double buffer structure comprising the first member buffer portion of the first member and the inner and outer buffer portions of the second member is provided, shocks and vibrations applied from the outside can be buffered. It is possible to reduce shocks and vibrations absorbed by the part and transmitted to the object to be packaged, and it is possible to realize a shock absorbing and fixing material for packaging excellent in shock absorption and vibration resistance.

Since both the first member and the second member are flat before assembly, the space required for storage is extremely small, and the first member and the second member can be transported extremely efficiently during transportation. .

Also, the first member and the second member need only have an area equivalent to the occupied area required after assembling even in the flat state before assembling, so that the working space required for assembling and packaging work is small, and By folding the folds formed in advance in the cardboard board in a predetermined direction, it is possible to extremely easily assemble the flat board.

Further, the first member and the second member can stand very stably after assembly, and the packaging buffer fixing material obtained by fitting these members fits the article to be packaged into the product holding portion. In this case, since the shape can be stably maintained, there is an effect that a packaging method with high workability and work efficiency at the time of assembly and packaging can be realized.

According to a seventh aspect of the present invention, in the sixth aspect of the invention, the first member is provided so as to protrude from an end of one of the outer plates on the outer bottom plate side. It has a configuration having a projecting piece formed with a length substantially equal to the height of the inner plate of the two members. With this configuration, it is possible to specify the direction in which the first member is inserted into the second member by forming the projecting piece only at one end of the two outer plates of the first member. Therefore, it is possible to prevent a decrease in work efficiency such as wasting work time in trying to insert the wrong insertion direction, or deforming and damaging the first member buffering portion and the internal and external buffering portions. Have.

The invention described in claim 8 of the present invention is the invention according to any one of claims 6 and 7,
The member is formed so as to be connected to the outer upper plate and has a bendable tongue inside the product holding portion. With this configuration, it is possible to extremely smoothly insert and remove the packaged object from the product holding section, and to insert and remove the packaged article from the product holding section and to cover the product holding section. In a state where the package is held, the package has an effect that it is possible to prevent the package from being damaged by the cardboard pieces exposed by the cut.

According to a ninth aspect of the present invention, in the invention according to any one of the first to eighth aspects, the fold is formed by a fold punched portion or a fold cut formed discontinuously on the fold. It has a configuration having lines. With this configuration, it is possible to easily fold the fold such as folding up and folding, and it is possible to eliminate the necessity of providing the fold.

Hereinafter, a specific example of the embodiment of the present invention will be described with reference to the drawings. (Embodiment 1) FIG. 1 is a plan view showing a first embodiment of a first embodiment of the present invention in a flat plate state before assembly, which is used for a cushioning and fixing material for packaging.
FIG. 2 is a plan view of the member, FIG. 2 is a rear view of the first member in a flat state before assembly used for the cushioning and fixing material for packaging according to the first embodiment of the present invention, and FIG. 3 is a diagram of the first embodiment of the present invention. It is a perspective view from the back side after assembling of the 1st member used for the cushioning fixing material for packing. 1 to 3, 1 is a cardboard board, 2 is a front board, 3 and 4 are back boards, 5a and 5b are fastening portions, 6
a and 6b are upper plates, 7a and 7b are inner plates, 8a and 8b are middle plates, 9 is an inner bottom plate, 10a, 10b to 14a and 14b are folds, 15a and 15b are tongue pieces, and 16a and 16b are tongue folds. , 17a, 17b are punched portions, 18a, 18b
Is an outer plate, 19a and 19b are outer bottom plates, 20a and 20b are folds, 21a and 21b are punched portions, 21a 'and 21
b 'to 23a and 23b are cut lines, 24a and 24b are shape holding pieces, 25a and 25b are folds, 26a and 26b
Is an opening, and 27a and 27b are first member cushioning portions.

The structure of the first member used for the cushioning / fixing material for packaging in the present embodiment will be described first with reference to FIGS. 1 and 2 showing a flat state before assembly. The first member is a fold 10a, 10b in which the front plate 2 and the back plates 3, 4 are mountain-folded.
The back plate 3 and the back plate 4 are folded back at folds 10a and 10b and bonded at the fastening portions 5a and 5b on the back surface of the front plate 2 respectively. It is fixed with an agent.

The front plate 2 includes upper plates 6a and 6b and upper plates 6a and 6b.
b and the inner plate 7 connected through the folds 11a and 11b
a, 7b, upper plates 6a, 6b, middle plates 8a, 8b connected via folds 13a, 13b, and inner plates 7a, 7b.
b and the folds 12a, 12b, and the middle side plates 8a,
8b and an inner bottom plate 9 which is provided continuously through folds 14a and 14b. The upper plates 6a and 6b, the inner plates 7a and 7b, the middle plates 8a and 8b, and the inner bottom plate 9 have punched portions 17a and 17b formed at symmetric positions.
Also, tongue folds 16a, 1
The tongue pieces 15a and 15b which can be folded are formed via 6b.

On the other hand, the back plate 3 includes the outer plate 18a and the outer plate 1a.
8a and an outer bottom plate 19a connected to each other via a fold line 20a. Similarly, the back plate 4 also includes an outer plate 18b and an outer plate 1b.
8b and an outer bottom plate 19b connected via a fold 20b. The outer bottom plates 19a and 19b are formed by punching portions 21a and 21b formed at symmetrical positions, substantially linear cut lines 21a 'and 21b' formed continuously from one ends of the punched portions 21a and 21b, and a cutting line. 21
a ', 21b' has substantially linear cut lines 22a, 22b, 23a, 23b formed continuously from both ends of the folds 25a, 21b '.
Form holding pieces 24a, 24b connected to the outer bottom plates 19a, 19b are formed at 25b. Further, the shape of the front plate 2, the back plate 3, and the back plate 4 formed by punching, cutting, or the like as described above is substantially symmetric with respect to the center line in the longitudinal direction.

Next, a method of assembling the first member used for the cushioning and fixing material for packaging according to the present embodiment and a structure at the time of assembling will be described with reference to FIG. From the flat state shown in FIGS. 1 and 2, the folds 11a and 11b, the folds 13a and 13
b, the folds 20a and 20b are each mountain-folded,
By folding the folds 12a and 12b and the folds 14a and 14b into valleys, a first member buffer 27a having a substantially square cross section including the outer bottom plate 19a, the outer plate 18a, the upper plate 6a, the inner plate 7a, and the middle plate 8a is formed. , Outer bottom plate 19b, outer plate 1
8b, the upper plate 6b, the inner plate 7b, and the middle plate 8b form a first member buffer 27b having a substantially square cross section.

Next, the shape holding piece 24a connected to the outer bottom plate 19a is folded into the first member buffer 27a from the fold 25a substantially perpendicularly to the outer bottom plate 19a, so that the middle side plate 8a and the outer Standing between the plates 18a, the shape holding piece 24b connected to the outer bottom plate 19b is
And into the first member buffer 27b substantially perpendicularly to the outer bottom plate 19b to form the middle plate 8b and the outer plate 18b.
Stand between Note that, in FIG.
a shows a state in which the shape holding piece 24b is being erected, and a state in which the shape holding piece 24b is erected substantially perpendicularly to the outer bottom plate 19b.

As described above, the shape holding pieces 24a and 24b are erected between the middle plates 8a and 8b and the outer plates 18a and 18b of the first member buffer portions 27a and 27b, respectively.
Openings 26a, 26b are formed in the outer bottom plates 19a, 19b. Further, the opening 26a and the opening 26b are both substantially rectangular, but have different sizes. further,
The tongue pieces 15a, 15b connected to the upper plates 6a, 6b are also folded at a predetermined angle toward the insides of the first member buffer portions 27a, 27b, respectively, whereby the assembly of the first member is completed.

As described above, the first member can be extremely easily assembled from a flat plate state by folding the fold formed in the cardboard plate in a predetermined direction, and the first member is provided upright in the first member buffer portion. Because of the shape holding piece, the shape can be maintained by itself after assembly.

Next, the structure of the second member used for the cushioning / fixing material for packaging in the present embodiment will be described with reference to FIGS. FIG. 4 is a plan view of a second member in a flat state before assembly used for the cushioning / fixing material for packaging according to the first embodiment of the present invention, and FIG. 5 is a cushioning / fixing material for packaging according to the first embodiment of the present invention. It is a rear view of the 2nd member in the flat state before assembly used for (1). 4 and 5, 30 is a cardboard board, 31 and 32 are front boards, 33 is a back board, 34a and 34b.
Is a fold, 35a and 35b are upper plates, 36a and 36b are inner plates, 36a 'and 36b' are contact portions, 37a and 37b are inner bottom plates, 38a and 38b are outer plates, 38a 'and 38b'.
Is a contact portion, 39 is an outer bottom plate, 40a, 40b, 41a, 4
1b is a fold, 42a and 42b are shape holding pieces, 43a and
43b is a fold, 44a and 44b are punched portions, 45
Reference numerals a and 45b denote cut lines, 46a and 46b denote cut-out portions, 47a and 47b denote fold lines, 48a and 48b denote cut lines, and 49a and 49b denote punched portions.

The structure of the second member used for the cushioning / fixing material for packaging according to the present embodiment will be described first with reference to FIGS. 4 and 5 showing a flat state before assembly. The second member includes a fold 34a formed by mountain-folding the front plates 31, 32 and the back plate 33,
A substantially rectangular corrugated cardboard plate 30 continuously provided through the 34b
Is formed from.

The front plate 31 includes an upper plate 35a, an inner plate 36a connected to the upper plate 35a via a fold line 40a, and an inner bottom plate connected to the inner plate 36a through a fold line 41a and a fold punching portion 46a. 37a, and the inner bottom plate 37
The back surface of a is fixed to the outer bottom plate 39 with an adhesive or the like.

Similarly, the front plate 32 has an upper plate 35b and an upper plate 3
5b and an inner plate 36b connected via a fold 40b
And an inner bottom plate 37b continuously provided through the inner plate 36b, the fold 41b, and the fold punched portion 46b,
The back surface of the inner bottom plate 37b is fixed to the outer bottom plate 39 with an adhesive or the like.

The inner plates 36a and 36b have punched portions 44a and 44b formed in a substantially rectangular shape, and are surrounded by the punched portions 44a and 44b, the cut lines 45a and 45b, and the cut lines 48a and 48b. 43a, 4
3b, the shape retaining piece 42 connected to the upper plates 35a, 35b.
a and 42b are formed.

The contact portions 36a 'and 36b' are formed on the inner plate 3
6a, 36b, punched portions 44a, 44b
And folds 41a and 41b, and fold punched portion 46
a, 46b corresponds to a narrow portion between the two. Similarly, the contact portions 38a 'and 38b' are portions of the outer plates 38a and 38b, and are formed by punching portions 49a and 49b and folds 47a and 4b.
7b corresponds to a narrow portion between them.

On the other hand, the back plate 33 has outer plates 38a and 38b.
, And an outer bottom plate 39 connected to the outer plates 38a and 38b via folds 47a and 47b. Outer plate 38
a and 38b have substantially rectangular punched portions 49a and 49b formed continuously with the cut lines 48a and 48b.

Next, a method of assembling the second member used for the cushioning and fixing material for packaging according to the present embodiment and a structure at the time of assembling will be described with reference to FIG. FIG. 6 is a perspective view from the plane side after assembling the second member used for the cushioning and fixing material for packaging according to the first embodiment of the present invention. In FIG. 6, 28
Reference numerals a and 28b denote a second member buffer, and reference numerals 50a and 50b denote fitting parts.

First, the folds 40a, 40b and the folds 47a, 47b are each mountain-folded and the folds 41a, 41b are valley-folded from the flat state shown in FIGS. 38a, upper plate 3
5a, a second member buffer portion 28a having a substantially square cross section composed of an inner plate 36a, an outer bottom plate 39, an outer plate 38b, and an upper plate 3
5b, a second member buffer portion 28b having a substantially square cross section formed by the inner plate 36b is formed.

Next, the shape holding piece 42a connected to the upper plate 35a is folded into the inside of the second member buffer portion 28a from the fold 43a substantially perpendicularly to the upper plate 35a, so that the inner plate 36a and the outer plate In the same manner, the shape holding piece 42b connected to the upper plate 35b is also set up and locked between the plates 38a, and in the same manner, substantially perpendicularly to the upper plate 35b from the fold 43b.
Folded into the second member buffer 28b, the inner plate 36
b and the outer plate 38b to be erected and locked.

In FIG. 6, the lower left shape holding piece 42a in the figure is not set up, the lower right shape holding piece 42b in the figure is in the middle of being set up, Of the shape holding pieces 42a, 42b are upper plates 35a, 35b.
2 shows a state in which it is erected substantially vertically.

As described above, the shape holding pieces 42a and 42b are erected and locked inside the second member buffer portions 28a and 28b, respectively, so that the outer plates 38a and 42b as shown in FIG.
The fitting portions 50a and 50b projecting from a part of the second member 38b are formed, and the assembly of the second member is completed.

As described above, the second member can be very easily assembled from a flat plate state by folding the fold formed in the cardboard plate in a predetermined direction, and the second member stands inside the second member buffer. Since it has the provided shape holding pieces, it can maintain its shape by itself after assembly.

Next, the first assembled by the above method
The structure of the cushioning / fixing material for packaging according to the present embodiment obtained by fitting the member and the second member will be described with reference to FIG. FIG. 7 is a perspective view of the cushioning / fixing material for packaging according to the first embodiment of the present invention. In FIG. 7, reference numeral 29 denotes a product holding unit.

The cushioning / fixing material for packaging according to the present embodiment shown in FIG. 7 has an opening 26a formed in the outer bottom plate 19a of the first member shown in FIG. 3 and a second member of the second member shown in FIG. The upper part A of the buffer parts 28a and 28b,
A ′ is fitted, and the second member buffer portion 28 of the second member is similarly inserted into the opening 26 b formed in the outer bottom plate 19 b of the first member.
a and 28b are assembled very easily by fitting the parts B and B 'shown below in FIG. Further, when the second member buffer portions 28a, 28b are fitted into the openings 26a, 26b, the fitting pieces 50a, 50b of the second member are also connected to the openings 26a, 26b of the first member.
Are inserted into the punched portions 21a and 21b formed continuously. When the first member is fitted to the second member, the contact portions 36a 'and 36b' of the second member and the contact portions 3a and 36b '
8a 'and 38b' are outer bottom plates 19a and 19b of the first member.
, And the B and B ′ portions of the second member buffer portions 28a and 28b of the second member are connected to the upper plate 6 of the first member.
b.

FIG. 7 shows a state where the B and B 'portions of the second member buffer portions 28a and 28b of the second member abut on the upper plate 6b of the first member. The A and A 'portions of the two member buffer portions 28a and 28b are
The structure which abuts on the upper plate 6a of the first member may be used.

In the cushioning / fixing material for packaging assembled as described above, the space surrounded by the first member cushioning portions 27a and 27b formed opposite to the first member and the inner bottom plate 9 defines the packaged object. It becomes a product holding unit 29 for holding.

The method of using the cushioning material for packaging in the present embodiment is the same as that of the conventional example, and the two cushioning and fixing materials for packaging shown in FIG. It is arranged and used by fitting a part of the article to be packaged into the product holding section 29. When the packaged object is fitted into the product holding portion 29, the tongue pieces 15a and 15b are folded inward and come into contact with the packaged object and function as a guide and elastic material.

As described above, the cushioning / fixing material for packaging according to the present embodiment is remarkably reinforced by the shape holding pieces erected inside the first member cushioning portion and the second member cushioning portion, and has an impact strength and The first member and the second member provided with the first member buffer portion or the second member buffer portion having a high compressive strength and being able to stand by themselves,
A first member buffer formed on the first member and the second member;
The first direction of the opening of the member buffer section should be perpendicular to the first direction.
An extremely high holding strength is realized in the product holding portion by fitting the two members so as to have a space by the contact portion of the second member between the outer bottom plate of the member and the outer bottom plate of the second member. And the drop strength and the load resistance can be significantly increased.

Further, since a double buffer structure including the first member buffer portion of the first member and the second member buffer portion of the second member is provided, shocks and vibrations applied from outside can be applied to both buffer portions. It is possible to reduce the shock and vibration that are absorbed and transmitted to the packaged object, and it is possible to realize a shock absorbing and fixing material for packaging excellent in shock absorption and vibration resistance.

Further, since both the first member and the second member are flat before assembly, the space required for storage is extremely small, and the transportation can be carried out very efficiently during transportation.

Further, the first member and the second member only require an area approximately equal to the occupied area required after assembling even in the flat state before assembling, so that the space required for the assembling and packaging operation is small, and the cardboard board is not required. By folding a fold formed in advance in a predetermined direction, it is possible to extremely easily assemble the plate from a flat state.

Further, the first member and the second member can stand very stably after assembly, and the cushioning / fixing material for packaging obtained by fitting these members allows the article to be packed to fit into the product holding portion. Since the shape can be stably maintained even at this time, a packaging method with high workability and work efficiency at the time of assembly can be realized.

Further, as shown in FIG. 3, the opening of the first member is made different in size by the two first member buffer portions, and the second member of the second member fitted to the opening is correspondingly fitted. By forming the shape of the member buffering portion, it is possible to specify the fitting direction when fitting the first member and the second member, and waste time in fitting the wrong fitting direction. In addition, it is possible to prevent a decrease in work efficiency, such as deformation of the opening and the first member cushioning portion.

Further, since the packaging cushioning and fixing material of the present embodiment has the tongue piece in the product holding portion, the fitting of the product to the product holding portion and the packaging material from the product holding portion are performed. Can be removed extremely smoothly, and the cardboard piece exposed by the cut line damages the packaged object at the time of such fitting or removal, and in the state where the packaged object is held in the product holding portion. Can be prevented.

Further, since a fold punching portion formed discontinuously on the fold is provided, it is easy to bend the fold, such as folding up or folding, and it is not necessary to add the fold.

In this embodiment, the discontinuous fold punching portion is formed on the fold, but the same effect can be obtained by forming the discontinuous fold cut line on the fold.

In this embodiment, as shown in FIG. 7, a part of the outer plate of the second member is fitted into a punched portion formed continuously with the opening of the outer bottom plate of the first member. However, for the purpose of fixing the packaged object in the product holding portion and preventing the product from swinging, a similar fitting continuously extended from the contact portion of the inner plate to the inner plate of the second member. A punched portion may be formed in the outer bottom plate of the first member, or an opening portion of the first member may be formed large so that a joint portion can be formed and fitted therein.

(Embodiment 2) FIG. 8 is a perspective view from the front side after assembling a first member used for a cushioning / fixing material for packaging according to a second embodiment of the present invention, and FIG. 9 is a second embodiment of the present invention. It is a perspective view from the back side after assembling of the 1st member used for the cushioning fixing material for packing in an embodiment. 8 and 9, 51 is a cardboard board, 52 is an inner bottom board, 53 and 54 are outer bottom boards, 55a and 55b are inner boards, 56a and 56b are upper boards, 57a and 57b are outer boards, and 58a and 58b are middle boards. The side plates, 59a, 59b to 63a, 63b are folds, 64
a and 64b are cutting lines, 65 is a projecting piece, 66a and 66
b is a shape holding piece, 67a and 67b are cutting lines, 68
a and 68b are folds; 69a and 69b are fastening portions;
Reference numerals a and 70b denote folds, and reference numerals 98a and 98b denote first member cushioning portions.

The structure of the first member used for the cushioning fixing material for packaging in the present embodiment will be described with reference to FIGS. 8 and 9. The first member has a fold 62 on the outer bottom plates 53 and 54.
Outer plates 57a, 57b provided continuously via a, 62b
And upper plates 56a, 56b connected to the outer plates 57a, 57b via folds 61a, 61b, and upper plates 56a, 5b.
6b, inner plates 55a and 55b connected via folds 60a and 60b, and upper plates 56a and 56b with folds 70
a, 70b, the middle side plates 58a, 58b
And folds 59a, 59b on the inner plates 55a, 55b, and folds 63a, 63 on the middle plates 58a, 58b.
b, and an inner bottom plate 52 continuously provided through
It is formed of a plurality of cardboard boards 51. The outer bottom plate 53 and the outer bottom plate 54 are fixed to the back surface of the inner bottom plate 52 by an adhesive or the like at the fixing portions 69a and 69b, respectively.

Further, the inner bottom plate 52 and the inner plates 55a, 55
b, linear or substantially annular cut lines 64a, 64b are formed over the middle plates 58a, 58b and the upper plates 56a, 56b, and the outer bottom plate 53 and the outer bottom plate 54 are also substantially U-shaped cut lines. 67a and 67b are formed. The portion of the outer bottom plate 53 surrounded by the cut line 67a has a fold 6
A shape holding piece 66a that can be folded through a pair 8a is formed. Similarly, a shape holding piece 66b that can be folded through a fold line 68b is formed in a portion of the outer bottom plate 54 surrounded by a cut line 67b. I have. Also, the outer plate 57a
A portion of the end on the fold 62a side has a protruding piece 65 formed substantially perpendicular to the outer bottom plate 53 and connected to the outer plate 57a.

As described above, the inner bottom plate 52 and the outer bottom plate 5
3, 54, inner plates 55a, 55b, upper plates 56a, 56
b, the cutouts formed in the outer plates 57a, 57b and the middle plates 58a, 58b are formed substantially symmetrically with respect to the longitudinal center line.

Next, a method of assembling the first member used for the cushioning and fixing material for packaging according to the present embodiment and a structure at the time of assembling will be described in more detail with reference to FIGS. The first member in the present embodiment has a fold 61 before assembly.
Only a and 61b are in the shape of a flat plate that is mountain-folded, and the fold 6
0a, 60b, folds 62a, 62b, fold 70a,
70b are each mountain-folded and folds 59a, 59
The first member buffer 9 having a substantially square cross section including the outer bottom plate 53, the outer plate 57a, the upper plate 56a, the inner plate 55a, and the middle plate 58a is formed by valley-folding the b, 63a, and 63b.
8a and a first member buffer 98b having a substantially square cross section including the outer bottom plate 54, the outer plate 57b, the upper plate 56b, the inner plate 55b, and the middle plate 58b.

Next, the shape holding piece 66a connected to the outer bottom plate 53 is folded into the inside of the first member buffer 98a substantially perpendicularly to the outer bottom plate 53 from the fold 68a, so that the outer plate 57a is While standing between the side plates 58a, the shape retaining piece 66b connected to the outer bottom plate 54 is similarly folded into the first member buffer 98b from the fold 68b substantially perpendicular to the outer bottom plate 54. Then, the first member is assembled by being erected between the outer plate 57b and the middle plate 58b. In FIG. 9, the shape holding piece 6 shown in FIG.
Reference numerals 6a and 66b show a state where the outer bottom plates 53 and 54 are erected substantially vertically.

As described above, the first member can be extremely easily assembled from the flat plate state by folding the fold formed in the cardboard plate in a predetermined direction, and the first member stands inside the first member buffer. Since it has the provided shape holding pieces, it can maintain its shape by itself after assembly.

Next, the structure of the second member used for the cushioning / fixing material for packaging in the present embodiment will be described with reference to FIGS. 10 and 11.
This will be described with reference to FIG. FIG. 10 is a perspective view from the rear side after assembling a second member used for the cushioning and fixing material for packaging according to the second embodiment of the present invention. FIG. 11 is a cushioning and fixing material for packaging according to the second embodiment of the present invention. FIG. 6 is a perspective view showing a method of inserting a first member and a second member used in the first embodiment. 10 and 11, 71 is a cardboard board, 72 is an outer upper board, 73a, 73
b is an outer plate, 74 is an outer bottom plate, 75 is an inner upper plate, 76a, 7
6b is an inner plate, 77 is an inner bottom plate, 78a to 78g are folds, 79a and 79b are cut lines, 80a and 80b are folds, 81a and 81b are shape holding pieces, 82, 83a, and 8
3b to 85a, 85b, 86 are folds, 87a, 87
b, 88, 89a, 89b, 90, 91a, 91b are cutting lines, 92, 93a, 93b to 95a, 95b, 9
6 is a tongue piece, 97 is a product holding part, 99a is an external buffer part, 9
9b is an internal buffer.

The structure of the second member used for the cushioning / fixing material for packaging in the present embodiment will be described with reference to FIGS. 10 and 11. The second member includes a fold 78 on the outer plate 73b.
g, an outer plate 73a connected to the outer plate 72 via a fold 78a, and an outer plate 7
An outer bottom plate 74 connected to the base 3a via a fold 78b;
The inner plate 7 connected to the outer bottom plate 74 via a fold 78c
6a, an inner upper plate 75 connected to the inner plate 76a via a fold 78d, an inner plate 76b connected to the inner upper plate 75 via a fold 78e, and a fold 78f connected to the inner plate 76b.
And an inner bottom plate 77 which is continuously provided with a single corrugated cardboard plate 71. Also, the outer plate 7
3b and the inner plate 76a, the outer bottom plate 74 and the inner bottom plate 77 are respectively fixed by an adhesive or the like.

The outer bottom plate 74 has a substantially U-shaped cut line 79.
a, 79b, and is formed in a portion surrounded by the cut lines 79a, 79b so as to be continuous with the outer bottom plate 74 via folds 80a, 80b, and can be erected substantially perpendicular to the outer bottom plate 74. Shape holding pieces 81a and 81b are formed.

The outer upper plate 72 has cut lines 87a, 87
b, tongue pieces 92 connected to the outer upper plate 72 via the folds 82, and cut lines 87a and 87b and folds 83a and 8 on the outer upper plate 72 by the substantially linear cut lines 88.
3b, tongue pieces 93a, 93b, cut lines 88 and substantially linear cut lines 89a, 89b, 9
The tongue pieces 94a, 94b connected to the outer upper plate 72 via the folds 84a, 84b by the zero and the cut lines 90 and the cut lines 91a, 91b are connected to the outer upper plate 72 via the folds 85a, 85b. Tongue pieces 95a, 95b
And a tongue piece 96 continuously provided via a fold 86. Also, these tongue pieces 92, 93a, 93
b, 94a, 94b, 95a, 95b, 96 can be folded inward. In addition, as described above, the outer upper plate 7
The shapes of the cuts and the like formed in the outer bottom plate 2 and the outer bottom plate 74 are formed substantially line-symmetrically with respect to the longitudinal center line.

Next, the method of assembling the second member used for the cushioning and fixing material for packaging in this embodiment and the structure at the time of assembling will be described in more detail with reference to FIGS. The second member in the present embodiment has a fold 7 before assembly.
8b, 78d, and 78g are mountain-folded flat plates, and the folds 78a, 78c, and 78e are each mountain-folded, and the fold 78f is valley-folded, so that the outer upper plate 7 is formed.
2. A rectangular annular external buffer 99a including an outer plate 73a, an outer bottom plate 74, and an outer plate 73b; an outer bottom plate 74;
6a, an inner upper plate 75 and an inner plate 76b are formed to form a rectangular annular internal buffer portion 99b.

Next, the shape retaining piece 81a connected to the outer bottom plate 74 is folded from the fold line 80a substantially perpendicularly to the outer bottom plate 74 into the inside of the internal buffer portion 99b.
6a and 76b, and the shape holding piece 81b connected to the outer bottom plate 74 is folded from the fold line 80b substantially perpendicularly to the outer bottom plate 74 into the inside of the internal buffer portion 99b. By ascending between the plates 76a and 76b, the assembly of the second member is completed. In FIG. 10, the shape holding pieces 81a and 81b are both
4 shows a state of being set up substantially perpendicularly to FIG.

As described above, the second member can be very easily assembled from a flat plate state by folding the fold formed in advance in the cardboard board in a predetermined direction, and can be erected inside the internal buffer portion. Because of the shape holding piece, the shape can be maintained by itself after assembly.

Next, the first assembled by the above method
The structure of the cushioning / fixing material for packaging according to the present embodiment obtained by inserting the member into the second member will be described with reference to FIG.
As shown in FIG. 11, the cushioning / fixing material for packaging according to the present embodiment is arranged such that the upper plates 56a and 56b of the first member abut on the outer upper plate 72 of the second member and the inside of the second member. By inserting the first member inside the second member so that the outer plate 73a on which the buffer portion 99b is not formed and the outer plate 57a on which the projecting piece 65 of the first member is formed abut, Very easy to assemble. After the first member is inserted into the second member in this manner, tongue pieces 92, 93a, 93b, 94 formed continuously with the outer upper plate 72.
The product holding portion 97 is formed by folding the insides a, 94b, 95a, 95b, 96 at a predetermined angle. Further, inside the second member, the outer bottom plate 53 of the first member abuts on the inner upper plate 75 of the second member, and the tip of the protruding piece 65 of the first member abuts on the outer bottom plate 74 of the second member. It is in contact.

In the cushioning / fixing material for packaging assembled as described above, the space between the outer upper plate 72 and the inside of the second member and between the first member buffering portions 98a and 98b of the first member is formed. It becomes a product holding unit 97 for holding an article to be packaged.

Further, the method of using the cushioning material for packaging in the present embodiment is the same as that of the conventional example, and the two cushioning materials for packaging shown in FIG. It is arranged and used by fitting a part of the article to be packaged into the product holding section 97. When the packaged object is fitted into the product holding part 97, the tongue pieces 92, 93a, 93b, 94a, 94
The b, 95a, 95b, and 96 are folded inward and come into contact with the packaged object to function as a guide and elastic material.

As described above, the cushioning / fixing material for packaging according to the present embodiment is remarkably reinforced by the shape-retaining pieces erected inside the respective buffering portions of the first member buffering portion and the internal buffering portion. A first member and a second member having a first member buffering portion or an internal buffering portion having high strength and compressive strength and being able to stand by themselves,
The second member is formed between the outer bottom plate of the first member and the outer bottom plate of the second member so as to have a space by a projecting piece formed on the first member.
By inserting the first member into the member, extremely high holding strength can be realized in the product holding portion, and the drop strength and the withstand load pressure can be significantly increased.

Further, since a double cushioning structure including the first cushioning portion of the first member and the internal cushioning portion and the external cushioning portion of the second member is provided, shocks and vibrations applied from the outside can be prevented. It is possible to reduce the impact and vibration transmitted to the article to be packaged by absorbing in the cushioning part, and it is possible to realize a shock absorbing and fixing material for packaging excellent in shock absorption and vibration resistance.

Since both the first member and the second member are flat before assembly, the space required for storage is extremely small, and the transportation can be carried out very efficiently during transportation.

Further, the first member and the second member need only have the same area as the occupied area required after assembling even in the flat state before assembling, so that the space required for the assembling and packaging work is small, and the cardboard board is not required. By folding a fold formed in advance in a predetermined direction, it is possible to extremely easily assemble the plate from a flat state.

Further, the first member and the second member can be extremely stably self-supported after assembling, and the cushioning / fixing material for packaging obtained by fitting these members allows the article to be packaged to fit into the product holding portion. Since the shape can be stably maintained even at this time, a packaging method with high workability and work efficiency at the time of assembly can be realized.

Further, as shown in FIG. 11, the first member is inserted into the second member by forming the protruding piece only at one end of the two outer plates of the first member. It is possible to specify the insertion direction at the time, work time is wasted trying to insert the insertion direction incorrectly, work efficiency such as deforming and damaging the first member buffer, internal and external buffer, etc. Can be prevented from decreasing.

Further, since the cushioning and fixing material for packaging according to the present embodiment is provided with a tongue piece in the product holding section, the article to be packaged is inserted into the product holding section and the packaged article from the product holding section. Can be removed extremely smoothly, and when the package is inserted or removed, and when the package is held in the product holder, the cardboard pieces exposed by the cut lines damage the package. Can be prevented.

Although not shown in the figure, the folds of the first and second members of the cushioning / fixing material for packaging in the present embodiment are discontinuous on the folds in the same manner as in the first embodiment. A fold cut portion or a fold cut line may be formed. By forming such a fold cut portion or a fold cut line, folding of the fold such as folding up or folding is facilitated, and it is not necessary to add a fold.

[0093]

The present invention will be described below in more detail with reference to examples. The buffering and fixing material for packaging in the first embodiment shown in FIG. 7 is shown in the first example, the buffering and fixing material for packaging in the first conventional example shown in FIG. 12 is shown in a first comparative example, and FIG. A vibration test, a drop test, a pressure resistance test, and a comparison test of assembling time were performed using the cushioning and fixing material for packaging of the third conventional example as a second comparative example.

FIG. 14 is a perspective view of a cushioning / fixing material for packaging (conventional example 3) using a conventional cardboard board. The cushioning / fixing material for packaging shown in FIG. 14 is obtained by assembling one corrugated cardboard into a structure as in the first conventional example.

The comparative tests were evaluated under the following conditions. The vibration test is performed at a vibration frequency of 5 to 50 Hz in a state in which the object to be packaged is held on the cushioning fixing material for packaging.
Vibration at 1 G in the vertical direction for 40 minutes and in the horizontal direction at 0.5 G for 20 minutes to generate scratches on the appearance of the packaged product, deformation of the cushioning material for packaging, and occurrence of resonance (buffering for packaging) (Increase in vibration acceleration due to the material) was evaluated.

In the drop test, the object to be packaged is dropped on six corners and three ridges in a state where the object to be packaged is held on the cushioning and fixing material for packaging. The drop height at which the cushioning material for the product could maintain its shape was determined.

In the pressure resistance test, the compressive strength which can maintain the shape when compressed from the longitudinal direction of each cushioning fixing material at a compression speed of 12 mm / min was determined. Assembling time is measured by assembling 10 pieces of each time from the flat plate state to the completion of assembling for each packing buffer fixing material,
The average was calculated.

Table 1 summarizes the results of the above comparative tests.

[Table 1]

As is apparent from Table 1, the cushioning and fixing material for packaging according to the first embodiment of the present invention is different from the first comparative example in comparison with the first comparative example.
In the vibration test, there is no thread (scratch) caused by the contact of the cut lines of the cardboard plate that constitutes the cushioning material for packaging with the packaged object in the vibration test, and it is more excellent in both the drop test and the pressure test Was found to have.

Although the cushioning and fixing material for packaging according to the first embodiment of the present invention has no difference in characteristics in the vibration test and the drop test as compared with the second comparative example, it has the same characteristics as the second comparative example in the pressure resistance test. .
It has been found that it has a withstand voltage characteristic four times or more.

Further, the time required for assembling the cushioning fixing material for packaging of the first embodiment is about 15 seconds / piece on average, and
Although it is slightly longer than the comparative example, it is one-fourth or less the assembly time of the second comparative example, and according to the first embodiment, a package having excellent characteristics in vibration resistance, drop resistance, and pressure resistance. It has been proved that the cushioning material for a vehicle can be assembled easily in a short time.

[0102]

According to the cushioning / fixing material for packaging of the present invention, the following excellent effects can be obtained. 1) According to the invention as set forth in claim 1 or 6, since the first and second members having a high strength and a self-supporting buffer portion are fitted or inserted into the first and second members, the cushioning / fixing material for packaging is provided. Since the packaged object can be held with a high holding strength, the excellent effect that the packaged object can be extremely stably held in a suspended state inside the packaging box when stored in the packaging box is obtained. Can be

Further, since the drop strength and the withstand load pressure are remarkably high as well as the holding strength, even if the packaging buffer and fixing material is dropped from the worktable in handling, the damage and breakage are small, and the packaged object is not damaged. Even if the packaging boxes are stacked after being held and stored in the packaging box, the packaging cushioning and fixing material is not crushed, and the items to be packaged in the packaging box can be stably held. In addition, an excellent effect that the storage form of the packaging box can be freely set can be obtained.

Further, due to the double shock absorbing structure including the shock absorbing portion of the first member and the shock absorbing portion of the second member, the shock absorbing and vibration resistance is excellent. It is possible to obtain an excellent effect that the impact and vibration transmitted to the packaged object can be reduced and the damage and breakage of the packaged item can be reliably prevented.

Further, both the first member and the second member that constitute the cushioning and fixing material for packaging are in a flat state before assembling, and require very little space for storage, and can be transported very efficiently during transportation. Therefore, an excellent effect that the storage location can be freely selected and the transportation cost can be reduced can be obtained.

The first member and the second member constituting the cushioning / fixing material for packaging need only have the same area as the occupied area required after assembling even in the flat state before assembling. Since the required space is small and the preformed folds are folded in a predetermined direction, it is very easy to assemble from a flat state, so that the work space required for packaging can be used very effectively and the assembling time can be reduced. An excellent effect that it becomes possible is obtained.

The cushioning and fixing material for packaging can stand very stably after assembling, and can stably maintain its shape even when the object to be packaged is fitted into the product holding portion. An excellent effect that workability and work efficiency at the time can be improved can be obtained.

2) According to the first and second aspects of the present invention, since the packaging cushion fixing material can be provided with a cardboard piece orthogonal to any surface of the packaging cushion fixing material, An excellent effect is obtained in that the strength, impact resistance and drop resistance of the fixing material can be further improved.

3) According to the third or seventh aspect of the present invention, it is possible to specify the direction in which the first member and the second member are fitted or inserted. An excellent effect is obtained in that it is possible to prevent a reduction in work efficiency such as wasting work time in fitting or inserting, and wasting and deformation of the opening and the buffer.

4) According to the invention as set forth in claim 4 or 8, the fitting of the packaged article into the product holding section and the removal of the packaged article from the product holding section can be performed extremely smoothly. When the package is inserted or removed, and when the package is held in the product holding section, the package can be prevented from being damaged by the cardboard pieces exposed by the cut lines. The effect is obtained.

5) According to the ninth aspect of the present invention, the folding of the fold, such as folding up or folding, becomes easy, and it is not necessary to add the fold.
An excellent effect of shortening the operation time in assembling the member and the second member and improving the efficiency of the assembling operation can be obtained.

6) According to the first to ninth aspects of the invention, as compared with the conventional cushioning / fixing material using a cardboard board, a higher holding strength, a lower drop strength, and a higher resistance with a smaller amount of the cardboard board used. Since the load pressure can be obtained and the shock absorption and vibration resistance can be improved, the amount of corrugated cardboard to be disposed is small even in the case of disposal, and the excellent effects of saving resources and protecting the environment can be obtained. .

[Brief description of the drawings]

FIG. 1 is a plan view of a first member in a flat state before assembly used for a cushioning and fixing material for packaging according to a first embodiment of the present invention.

FIG. 2 is a rear view of the first member in a flat state before assembly used for the cushioning and fixing material for packaging according to the first embodiment of the present invention.

FIG. 3 is a perspective view from the back side after assembling the first member used for the cushioning and fixing material for packaging according to the first embodiment of the present invention.

FIG. 4 is a plan view of a second member in a flat state before assembly used for the cushioning and fixing material for packaging according to the first embodiment of the present invention.

FIG. 5 is a rear view of the second member in a flat state before assembly used for the cushioning fixing material for packaging according to the first embodiment of the present invention.

FIG. 6 is a perspective view from the plane side after assembling of a second member used for the cushioning and fixing material for packaging according to the first embodiment of the present invention.

FIG. 7 is a perspective view of a cushioning and fixing material for packaging according to the first embodiment of the present invention.

FIG. 8 is a perspective view from the front side after assembling a first member used for a cushioning and fixing material for packaging according to a second embodiment of the present invention.

FIG. 9 is a perspective view from the back side after assembling a first member used for a cushioning and fixing material for packaging according to a second embodiment of the present invention.

FIG. 10 is a perspective view from the rear side after assembling a second member used for a cushioning and fixing material for packaging according to a second embodiment of the present invention.

FIG. 11 is a perspective view showing a method of inserting a first member and a second member used for a cushioning and fixing material for packaging according to a second embodiment of the present invention.

FIG. 12 is a perspective view of a cushioning / fixing material for packaging using a conventional cardboard board (conventional example 1).

FIG. 13 is a perspective view of a conventional simple-assembly type cushioning and fixing material for packaging (conventional example 2) using a cardboard board.

FIG. 14 is a perspective view of a cushioning and fixing material for packaging using a conventional cardboard board (conventional example 3).

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Corrugated cardboard 2 Front plate 3, 4 Back plate 5a, 5b Fastening part 6a, 6b Upper plate 7a, 7b Inner plate 8a, 8b Middle plate 9 Inner bottom plate 10a, 10b-14a, 14b Fold 15a, 15b Tongue piece 16a, 16b Tongue piece fold 17a, 17b Punched part 18a, 18b Outer plate 19a, 19b Outer bottom plate 20a, 20b Fold 21a, 21b Punched part 21a ', 21b' ~ 23a, 23b Cut line, 24a, 24b Shape holding piece 25a, 25b fold 26a, 26b Opening 27a, 27b First member buffer 28a, 28b Second member buffer 29 Product holder 30 Corrugated cardboard 31, 32 Front plate 33 Back plate 34a, 34b Fold 35a, 35b Upper plate 36a, 36b Inner plate 36a ', 36b' Contact part 37a, 37b Inner bottom plate 38a, 38b Outer plate 3 a ', 38b' abutment portion 39 outer bottom plate 40a, 40b, 41a, 41b fold 42a, 42b shape holding piece 43a, 43b fold 44a, 44b punching portion 45a, 45b cutting line 46a, 46b fold punching portion 47a, 47b fold 48a , 48b Cutting lines 49a, 49b Punching parts 50a, 50b Fitting parts 51 Cardboard board 52 Inner bottom plate 53, 54 Outer bottom plate 55a, 55b Inner plate 56a, 56b Upper plate 57a, 57b Outer plate 58a, 58b Middle plate 59a, 59b- 63a, 63b Folds 64a, 64b Cut lines 65 Projection pieces 66a, 66b Shape holding pieces 67a, 67b Cut lines 68a, 68b Folds 69a, 69b Fastening portions 70a, 70b Folds 71 Corrugated cardboard plates 72 Outer plates 73a, 73b Outer plates 74 Outer bottom Plate 75 Inner upper plate 76a, 76b Inner plate 77 Inner bottom plate 78a-78g Fold 79a, 79b Cut line 80a, 80b Fold 81a, 81b Shape holding piece 82, 83a, 83b-85a, 85b, 86 Fold 87a, 87b, 88, 89a, 89b, 90, 91
a, 91b Cut line 92, 93a, 93b-95a, 95b, 96 Tongue piece 97 Product holding part 98a, 98b First member buffer part 99a External buffer part 99b Internal buffer part 100 Cardboard board 101 Upper plate 102a-102c Side plate 103 Insertion Pieces 104a to 104d Folds 105a to 105d Tongue pieces 106 Inner bottom plate 107 Product holder 110, 110a, 110b Back plate 111a, 111b Side plate 112a, 112b Upper plate 113a, 113b Side plate 114a, 114b Fastening plate 115a, 116a Middle plate 117a, 117b buffer part 118a, 118b product holding part

Continuation of the front page (72) Inventor Masanobu Umi 6-3-2 Takagishi Nishi, Saga City, Saga Prefecture Inside Sagashiki Printing Co., Ltd. (56) References JP-A-6-183461 (JP, A) JP-A-5-319430 (JP, A) Japanese Utility Model Application Hei 6-81928 (JP, U) Japanese Utility Model Application Hei 7-19125 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B65D 5/50 101 B65D 81 / 113

Claims (9)

(57) [Claims] (A) an outer bottom plate, an outer plate, an upper plate, and an inner plate which are continuously provided through a crease at a side portion; A cross-section formed by a continuously provided middle plate, and an inner bottom plate which is connected to the inner plate and the middle plate via a fold, and is partially fastened to the outer bottom plate, has a substantially square cross section. Two first member cushioning portions and one or more shape retaining pieces that are connected to the outer bottom plate via a fold and are erected within the first member cushioning portions to support between inner walls of the both side plates. A first member having an opening formed when the shape holding piece is bent, and a product holding portion sandwiched between the two first member cushioning portions formed on both sides; (b) ) The cross-section formed by the outer bottom plate, the outer plate, the upper plate, and the inner plate connected continuously through the side folds has a substantially square shape Two second member buffer portions, and one or more of the outer bottom plate, the outer plate, the upper plate, and one or more of the inner plates that are connected to each other via a fold line and are erected in the second member buffer portions. A shape holding piece, an inner bottom plate connected to the inner plate via a fold, and partially fixed to the outer bottom plate, and a contact formed by punching a central portion of each of the outer plate and the inner plate. And a second member having a portion, wherein the buffering and fixing material for packaging is formed by fitting the second member buffering portion of the second member into the opening of the first member. 2. The cushioning / fixing material for packaging according to claim 1, wherein an opening direction of the first member buffering portion is orthogonal to an opening direction of the second member buffering portion. 3. The structure according to claim 1, wherein the shape of the opening is different between the two first member cushions.
4. The cushioning and fixing material for packaging according to any one of the above. 4. The apparatus according to claim 1, wherein the first member is formed so as to be continuous with the upper plate via a fold, and has a bendable tongue on the inner bottom plate side. 3. The cushioning and fixing material for packaging according to any one of 3. 5. The first member has a substantially linear punched portion formed continuously with the opening in the outer bottom plate, and the second member is provided with the outer plate and / or the inner plate. The cushioning / fixing material for packaging according to any one of claims 1 to 4, further comprising a fitting portion fitted into the punched portion. (A) an outer bottom plate, an outer plate, an upper plate, and an inner plate, which are continuously provided via side folds, and a pair of folds formed on the upper plate between the both side plates in parallel with the side plates; A cross section formed by a continuous middle plate and an inner bottom plate connected to the inner plate and the middle plate via a fold line and partially fastened to the outer bottom plate has a substantially square cross section. Three first member cushions, and one or more shapes that are connected to any one of the outer bottom plate, the outer plate, the upper plate, and the middle plate via a fold and are erected in the first member cushions. A first member having a holding piece; and (b) a substantially rectangular annular external buffer portion formed by an outer upper plate, two outer plates, and an outer bottom plate continuously provided via a fold at a side portion; A substantially rectangular shape formed continuously from the side portion of the outer bottom plate via a fold and formed in the outer buffer portion by the inner plate, the inner upper plate, and the inner plate. Jo of an internal buffer section, the outer bottom plate,
One or more shape-retaining pieces, which are connected to one of the inner plates and the inner upper plate via a fold line and are erected in the internal buffer portion, and a product holding portion cut into the outer upper plate. And a second member having: a buffer-fixing material for packaging formed by inserting the first member from a side surface of the second member. 7. The first member is formed so as to protrude from an end of one of the outer plates on the outer bottom plate side and to have a length substantially equal to a height of the inner plate of the second member. The cushioning / fixing material for packaging according to claim 6, further comprising: a protruding piece. 8. The device according to claim 6, wherein the second member is formed so as to be continuous with the outer upper plate, and has a bendable tongue inside the product holding portion. 4. The cushioning and fixing material for packaging according to any one of the above. 9. The packaging cushion according to claim 1, wherein the fold has a fold cutout or a fold cut line formed discontinuously on the fold. Fixing material.