JP6535650B2 - Packaging buffer and packaging container provided with the same - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a cushioning body for packaging, which is used as an example of use when packaging high-grade fruits and the like for which a careful packaging form is required, and a packaging container provided with the same.

As a representative of high-class fruits, muskmelon and the like can be mentioned, but in its distribution, a packaging method capable of exerting a sufficient protective function until reaching a remote consumer from a production area is required.
The present applicants have already disclosed a novel packaging form as Japanese Patent Application Laid-Open No. 10-287369 (Patent Document 1) as one of methods for meeting such demand.
The product by this method at present exhibits a sufficient content protection function for heavy handling operations at the distribution stage, and has been established as a so-called standard product.

On the other hand, although the applicant has continuously attempted development for further functional improvement, among them, from the user, the buffer material contained in the packaging material, especially in the cosmetic box, etc. Even if the function is improved, there is a demand for avoiding cost increase with the recognition that it will remain as a distribution support material.
Of course, in order to meet such a demand, the buffer may be in a simpler form, but on the other hand, it is not permissible to impair the stable protective function of the contents.
In addition, the packaging operation of high-grade fruits, in particular, the installation operation of the buffer, is naturally left to manual work that is not compatible with mechanization, and as a result, a form that facilitates the operation is also required.

Furthermore, although it is ideal to use a dedicated form according to the form, size, number, etc. of the contents, the appropriate protection of the package is ideally different, but these forms are different, and the buffer of the special specification is used for each. Providing is unrealistic in terms of cost.
For this reason, it is also one of the development issues to realize a buffer having versatility that can cope with various request forms.
Furthermore, it is one of the development subjects to use as a buffer which can aim at sufficient environmental load reduction in consideration of processing after use.

Japanese Patent Application Laid-Open No. 10-287369

  The present invention has been made in consideration of such background, and an attempt has been made to develop a packaging buffer which can comprehensively respond to the above technical requirements. That is, it is possible to stably protect the package while securing excellent versatility at low cost with excellent workability, and to develop a packaging buffer body and a package comprising the same, which is also excellent in environmental protection. As a technical issue.

That is, the shock absorber for packaging according to claim 1 comprises a cushioning material, a bag-like cover including the cushioning material, and a non-slip portion provided on the front surface of the cover. The cushioning material is formed by combining a single sheet or a plurality of sheets of the cushioning element body , wherein the cushioning material is formed by making a short thin strip-like paper material bulky entangled, or thin The anti-slip portion is formed in a wide area over the entire front surface of the cover body .

  In the packaging buffer according to claim 2, in addition to the above-mentioned requirements, in the case where a plurality of the cushioning element bodies are combined, a parting or weakening portion is formed on part or all of the dividing edge of each cushioning element body. It is characterized by being provided.

  Furthermore, in addition to the above requirements, the cushioning material according to claim 3 is characterized in that the cushioning material and the cover in the cushioning element are both made of a paper material not containing a synthetic resin. It is.

  Furthermore, in addition to the above requirements, the adhesive for forming the cover body from the original sheet to a bag shape is characterized in that a hot melt adhesive is used in addition to the above requirements. As.

Furthermore, in addition to the above-described requirements, the packaging shock absorber according to claim 5 is characterized in that the material constituting the anti-slip portion is a hot melt resin applied to a cover.

Furthermore, in addition to the requirements of the fifth aspect , the packaging buffer according to the sixth aspect is characterized in that the hot-melt resin that constitutes the antislip portion includes a functional material. .

Furthermore, in addition to the above-mentioned requirements, the packaging shock absorber according to claim 7 is characterized in that a printed indication is provided on the front surface of the cover.

Packaging containers Furthermore eighth aspect, in the container body, be comprised as characterized in that it comprises a cushioning member of claim 3, 4, 5, 6 or 7, wherein is there.
And the solution of the said subject is achieved by the structure as described in these each claim.

According to the first aspect of the present invention, since the anti-slip portion is provided on the front surface of the cover main body, it is possible to stably package without moving in the container main body which is a so-called outer box. Maintain a protective posture on the body. As a result, it is possible to completely avoid the damage due to the displacement of the package at the distribution and handling stages.
Further, when the cushion material is formed into a short strip-like paper material in a bulky entangled shape, a good cushioning function can be exhibited.
When glassine paper is used as the paper material, it is possible to exhibit a good cushioning function by being excellent in harmony between the so-called stiffness and elasticity of the material itself. In addition, since the glossiness is high, the color of the cover is not impaired, and particularly when the cover is light, a clear color can be exhibited, and the color of the package can be enhanced.
In addition, when a material having excellent absorbency is adopted as a paper material, for example, when used for packaging of metal parts etc., moisture can be absorbed to suppress the occurrence of rust etc. For example, when used for packaging of fruits etc. By absorbing ethylene gas and the like, it is possible to suppress the occurrence of mold, aging and the like.
Furthermore, the anti-slip portion can be configured to suit the required packaging specifications.

  Further, according to the invention of claim 2, since the plurality of cushioning element bodies are combined and they are separable by the separating and weakening portion, the cushioning element body according to the situation of the required cushioning point And flexibility in its versatility in use.

  Furthermore, according to the third aspect of the present invention, the buffer element body is made of only a paper material and does not contain a synthetic resin. Therefore, the environmental load can be suppressed also in reuse and disposal as a paper material.

Furthermore, according to the invention of claim 4, the adhesive used to make the cover body bag-like is a hot melt adhesive, and a strong adhesive action can be obtained.
In addition, by applying only to the bonding points, the air permeability is not impaired when the cover body is paper or the like.

Furthermore, according to the invention as set forth in claim 5 , the antislip portion applies a hot melt resin, and exhibits good antislip properties which do not reach adhesion when used in a normal temperature environment, and its processing It is easy to do too.

Furthermore, according to the invention of claim 6 , when the hot melt resin is prepared, materials such as a deodorant, a fragrance, a rust inhibitor, a pest repellent and the like are included, and the function as a package It is possible to improve and protect according to the package.

Furthermore, according to the seventh aspect of the present invention, it is possible to positively bring about the revealing effect of the package without letting the buffer stay only in its function.

Furthermore, according to the eighth aspect of the present invention, a packaging container having the above effects is obtained.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows partially the transparent body of this invention, and the packaging container provided with the same through transparency. They are the top view and side view same as the above. It is a perspective view which partially expands and shows a buffer. It is a top view showing various forms of a non-slip part. It is. It is a side view (a), (c), (d), a top view (b), a perspective view (e) which shows the packaging container provided with the buffer of this invention. It is a perspective view which partially fractures and shows the buffer formed in the shape of an envelope.

The best mode of the present invention is as described in the following examples, but it is also possible to appropriately change within the scope of the technical idea of the present invention.
In the following description, first, the configuration of the packaging buffer of the present invention will be described, and then, a packaging container using the packaging buffer will be described.

What is shown with the code | symbol 1 in a figure is the buffer (It abbreviates as buffer 1 hereafter) of this invention, Comprising: This is combined with the packaging container 2 made, for example of cardboards, for example, high-quality fruit etc. A packaging container is comprised in the state which protected the to-be-packaged body 3. FIG.
In this case, the package 3 is intended for products such as mellows, peaches and other fruits that are relatively easily scratched, as well as fragile items, precision instruments, machine parts, etc. It can be.

First, the buffer body 1 is constituted by a single or a plurality of buffer element bodies 10. Therefore, when the buffer element body 10 constitutes the buffer body 1 as a single body, both have the same concept without limit. .
The cushioning element body 10 includes the cushioning material 15 in the inside of the cover body 11, and the cover body 11 is, for example, sock-sucked in a tubular shape of a flat sheet material sheet 11A and then its longitudinal direction It divides and adheres so that it partitions off, and takes the form which accommodated the cushioning material 15 in the inside as a bag shape.
Thus, the original sheet 11A is sack-pasted to form a bag-like cover body 11. In the present specification, the outer surface of the bag-like cover body 11 is referred to as a front surface, The inner surface of the bag is referred to as the back surface.

That is, as an example, in the cover body 11, the suck sticking edge 12 is provided in a flap shape at the center of one plane, and the dividing edge 13 is formed in the direction orthogonal thereto.
In addition, in order to constitute such a sack sticking edge 12 and a partition edge 13, adhesion of original fabric sheet 11A is needed, but adhesive agent G used in this case is resin adhesive agent of a hot melt system. preferable.
The hot melt resin adhesive is a resin adhesive that is melted and adhered by applying heat (about 80 to 180 ° C.), and the material is ethylene vinyl acetate (EVA), polypropylene (PP) Thermoplastics such as polyamide nylon (PA) are employed.
The cover 11 is preferably a paper material in consideration of environmental load and the like as described later.

  In the case of such a configuration, when each buffer element body 10 is divided at the part of the dividing edge 13, the buffer body 1 is constituted by a single buffer element body 10, and when not divided, a plurality of buffer element bodies 10 It will be combined and the buffer 1 will be comprised.

In addition, when dividing each buffer element body 10 in the part of the partition edge 13, as shown in FIG. 3, in order to make the versatility and handling property at the time of use as the buffer 1 favorable, for example, It is preferable to provide the separation weakening portion 14 of
Of course, in the case where the cover body 11 is, for example, a resin, the separation weakening portion 14 is configured by applying a heat sealer having a shape that thins the thickness of the dividing edge 13 when forming the dividing edge 13. An approach can also be taken.

Next, the cushion material 15 may be any material as long as it can exhibit an appropriate cushioning function and cushion function, and it may be, for example, a cotton-like member or a sponge-like member, but in this embodiment, it is an example. A paper material is made into a short thin strip, and a bulky entangled one is adopted.
Specifically, as an example, a material sheet 15A made of glassine paper is cut into an appropriate size, cut into a narrow strip, this is cut into an appropriate length, and this is appropriately stirred to reduce The cushioning material 15 is formed by intertwining the bands irregularly to make it bulky entangled.
In addition to the glassine paper, the material sheet 15A may be a paper material having excellent absorbability.
Further, the cushion material 15 may be in the form of a small piece, and for example, a waste paper material may be used instead of the material sheet 15A to make this into the small piece form.
As described above, as the cushioning material 15, either one or both of a bulky entangled paper material of short and narrow belt-like shape and a paper material of strip-like shape can be adopted.

The anti-slip portion 16 is formed on the whole or a part of the front surface of the cover 11. The form of the anti-slip portion 16 may be a dot pattern as shown in FIG. 4 (a), a grid pattern as shown in FIG. 4 (b), an oblique grid pattern as shown in FIG. 4 (c), A stripe pattern as shown in (d), and a form of applying a wide area over the entire surface of the cover 11 as shown in FIG. 4 (e) may be adopted.
Although the anti-slip portion 16 is not formed on the part of the dividing edge 13 in the buffer body 1 shown in FIG. 4, the anti-slip agent C may be applied here to form the anti-slip portion 16.
The material of the anti-slip agent C constituting the anti-slip portion 16 is, for example, the same hot melt resin as the adhesive G, but if it is acceptable without considering the cost etc. It can also be adopted.

Next, an example of the production line 5 for producing the cushioning element body 10 in which the above-mentioned form is adopted will be briefly described.
First, the materials and raw materials constituting the production line 5 will be described. As shown in FIG. 5, the cover body 11 uses the raw sheet 11A wound in a roll shape as a starting material, and this is the raw material. After the adhesive G is applied in the anti-sheet supply unit 51, the bag-like cover body 11 is formed in the bag-like body forming unit 52 while including the cushion material 15 sent from the cushion material supply unit 53; The cushioning element body 10 is configured.

The original sheet feeding unit 51 is appropriately configured to have a conveyor line and the like, and applies a longitudinal direction application device 51A for applying the adhesive G to the original sheet 11A delivered from the original sheet roll 11B and a width direction application A device 51B is provided.
The longitudinal direction application device 51A and the width direction application device 51B are a device of a discharge type that discharges the adhesive G melted by the applicator from the discharge port of the hot melt gun, or a jet of the melted adhesive G with compressed air. A spray-type device is used which ejects from the outlet.
The aspect of the adhesive agent G apply | coated to the cover body 11 by the said apparatus of a discharge type becomes a uniform thickness. On the other hand, the aspect of the adhesive agent G applied to the cover 11 by the spray-type device forms a fine and irregular mesh pattern.

Further, the bag-like body forming portion 52 is provided with a mechanism for appropriately bending the original sheet 11A into a bag shape so that both ends are put in a double-layered state, and further, the original sheet 11A in this state is covered on both sides. A sack sticking device 52A and a partition sticking device 52B are provided to which a device called a so-called seal bar for sandwiching from the surface side is applied.
Further, the cushion material supply unit 53 is provided with a cutter 53A for cutting the material sheet 15A into a strip of a suitable size and a stirrer 53B for stirring the strip.

Furthermore, the production line 5 is provided with an anti-slip agent applying device 55 for applying the anti-slip agent C to the front surface of the cover body 11 to form the anti-slip portion 16, and this device is in the longitudinal direction. Similar to the coating device 51A and the width direction coating device 51B, a discharge type coating device that discharges the adhesive G melted by the applicator from the discharge port of the hot melt gun, or the molten adhesive G is jetted with the compressed air of the nozzle. A spray-type application device that ejects from the outlet is used.
Furthermore, the production line 5 is provided with a perforation forming device 56 provided with a rotary blade or the like for forming the perforation-like separation weakening portion 14.

The manufacturing line 5 for manufacturing the buffer element 10 of the present invention is configured as described above as an example, and hereinafter, an example of a manufacturing method of the buffer element 10 using the manufacturing line 5 will be described. .
(1) [application of adhesive]
First, in the original sheet feeding unit 51, the adhesive G is continuously formed with a width of 20 mm, for example, on one of the forming portions of the suck sticking edge 12 along the longitudinal direction of the original sheet 11A by the longitudinal application device 51A. It is applied.
On the other hand, the adhesive G is applied with a width of 15 mm as an example to the half area of the formation position of the dividing edge 13 along the width direction of the raw sheet 11A by the width direction coating device 51B.
The application of the adhesive G by the width direction application device 51B is performed intermittently at fixed intervals in the longitudinal direction of the original sheet 11A, and for sealing work by the partition affixing device 52B described later as an example. When feeding of the original sheet 11A is stopped, it is performed in synchronization with this.

(2) [Formation of a sack sticking edge]
Then, the original sheet 11A sent from the original sheet feeding section 51 to the bag-shaped body forming section 52 is in a state in which the adhesive G is applied, and this is bent in a bag shape in the bag-shaped body forming section 52. In the first state, the sack sticking edge 12 is formed by sandwiching the adhesive G applied continuously along the longitudinal direction of the original sheet 11A from the back side by the sack sticking device 52A from the back side.

(3) [Formation of partition edge]
Subsequently, feeding of the original sheet 11A having a tubular shape due to the formation of the sack sticking edge 12 is stopped when the forming position of the dividing edge 13 reaches the acting position of the partition sticking device 52B.
Then, the divider edge 13 is formed by sandwiching the adhesive G applied along the width direction of the original fabric sheet 11A from the back side by the divider affixing device 52B.

(4) [filling of cushioning material]
Next, in this state, the cushion material 15 fed from the cushion material supply unit 53 is introduced above the suck sticking edge 12 in a range which is not completely formed in a cylindrical shape, that is, a range which is not sealed. Ru.

(5) [Formation of partition edge]
Next, the original fabric sheet 11A is fed by a fixed size, and when the formation position of the next partition edge 13 reaches the working range of the partition sticking device 52B, the feeding of the raw fabric sheet 11A is stopped, and the partition sticking device 52B The divider edge 13 is formed by sandwiching the adhesive G applied along the width direction of the sheet 11A from the back side.
At this time, the upper and lower portions of the cylindrical cover 11 including the cushioning material 15 are closed by the dividing edge 13 to form the cushioning element 10.

(6) [Formation of anti-slip portion]
Then, the buffer element body 10 that has reached the anti-slip agent applying device 55 has the anti-slip agent C applied to the front surface of the cover 11.
In the embodiment of the anti-slip agent C applied to the cover 11 by the spray-type device, a fine and irregular mesh pattern is widely seen on the entire surface of the cover 11, as shown in FIG. 4 (e). The anti-slip function portion 16 formed and cooled and hardened is excellent in anti-slip function in all directions, and can be easily peeled off from the cover body 11 at the time of disposal. Become.

(7) [Formation and cutting of perforations]
Next, the buffer element body 10 that has reached the perforation forming device 56 is formed with perforations at the part of the dividing edge 13, which becomes the separation weakening part 14.
Furthermore, according to the specification, by cutting off the separation weakening part 14 at an appropriate place, the buffer body 1 in a state where one or more buffer element bodies 10 are combined is obtained.

[Packaging container]
Then, the packaging container 2 combined with the buffer 1 manufactured as mentioned above is demonstrated. For example, the packaging container 2 made of cardboard or the like is used in this embodiment. For example, in the embodiment shown in FIG. 6A, the container main body 21 is framed, for example, E flute cardboard (thickness 1.5 mm). A cover 22A, which is an example of the cover 22, is placed on the cover.
And while accommodating the package body 3 in the inside of the container main body 21, the said buffer body 1 can be suitably protected from the external force added to the container main body 21 with the package body 3 comrades contacting or the thing suitably. Provided. In addition, the detail of the arrangement | positioning aspect of the buffer 1 is mentioned later.

  The packaging container 2 may take various forms, and in addition to the cover 22A, a lid flap 22B as shown in FIG. 6 (c) or a fitting flap 22C as shown in FIG. 6 (d), etc. Any suitable type of lid 22 can be applied.

[Assembly of shock absorber to packaging container]
Subsequently, the combination form of the buffer 1 to the packaging container 2 is described.
First, the form shown in FIG. 6 (a) is the case where the buffer body 1 is required only at the bottom or upper part, and the buffer body 1 is disposed flat on the upper and lower sides of the package 3 in a flat state. It is a form which protects the package body 3 in the inside.
Moreover, the form shown to the top view of FIG.6 (b) is a form which winds the buffer element body 10 individually to the to-be-packaged body 3, and protects this thing.
Furthermore, the form shown in FIG.6 (c) is a form which exhibits a buffer function by stuffing the buffer element body 10 as it is or folding it in an appropriate space. Under the present circumstances, when using the buffer body 1 with which several buffer element bodies 10 were arranged in a row by having the dividing edge 13 intervened, some or all of the buffer element bodies 10 are separated and divided by the weakening part 14 It can also be stuffed into space.
Furthermore, the configuration shown in FIG. 6 (d) is such that it is arranged in a folded shape using the dividing edge 13, so that the continuous buffer element bodies 10 can be brought close to each other, and the buffer The entire length of the body 1 can be shortened, and the fit with respect to the container body 21 meeting such dimensions is improved.
Furthermore, the form shown in FIG. 6 (e) is a form in which a partition is formed in the container main body 21 by erecting the continuous buffer element body 10 in an inverted V shape using the partition edge 13. .

  And by providing the buffer 1 in the packaging container 2 as described above, the anti-slip portion 16 functions as a non-slip between the buffer 1 and the packaging container 2, and these are loosely fixed to each other, and buffer Since the anti-slip function between the body 1 and the package 3 is also exhibited, protection of the package 3 is reliably performed.

Other Embodiments
The present invention is based on the above-described embodiment, but it is also possible to adopt the following forms.
First, by using a hot melt resin used for the adhesive G and the anti-slip agent C, a functional material can be contained in this to improve the function as the buffer 1. Specifically, deodorizers, fragrances, rust inhibitors, pest repellents and the like can be included to make the protection of the package 3 more thorough.
Furthermore, it is possible to spray various kinds of functional materials onto the cover body 11 and the cushion material 15 with a spray or the like to provide various functions.

Furthermore, a printed display may be provided on the front surface of the cover 11 to enhance the effects of the display of the packaged object 3 as a product and advertising.
Specifically, the display of the contents, the display showing the cushioning effect, the display of the name of the producer, etc. An advertisement-like print that causes the consumer to have a certain impression when the packaging container 2 is opened appropriately. It is preferable to apply.

  Furthermore, in the case of the to-be-packaged body 3 which makes the packaging container 2 used as an outer case unnecessary, use of the buffer body 1 independent is also possible. In this case, for example, as shown in FIG. 7, the buffer body 1 is formed in the shape of an envelope, and the package 3 such as a liquid container, machine parts, electronic parts and the like is accommodated therein and can be shipped as it is Can be taken. In such a case, by providing the anti-slip portion 16 on the inside of the envelope-shaped shock absorber 1, the movement of the package 3 can be suppressed, and the protection of the package 3 becomes more reliable.

In the above-described basic embodiment, the adhesive G is used to form the sack sticking edge 12 and the dividing edge 13, but without using the adhesive G, a poly resin in which a resin layer is formed on the back surface of the original sheet 11A. Laminated paper or the like may be used.
In this case, by forming the seal bars constituting the suck bonding device 52A and the partition bonding device 52B as a heat type (heat sealer), a part of the resin layer is melted to achieve adhesion.
In this case, the longitudinal direction coating device 51A and the width direction coating device 51B become unnecessary, and the manufacturing line 5 is simplified.

DESCRIPTION OF SYMBOLS 1 shock absorbing body 10 buffer element body 11 cover body 11A original fabric sheet 11B original fabric roll 12 sack sticking edge 13 partition edge 14 separation weakening part 15 cushion material 15A material sheet 16 anti-slip action part

DESCRIPTION OF SYMBOLS 2 packaging container 21 container main body 22 lid 22A lid 22B lid flap 22C alignment flap

3 Packaged body

5 Production Line 51 Raw Material Sheet Supply Part 51A Longitudinal Coating Device 51B Width Direction Coating Device 52 Bag-Like Body Forming Part 52A Sack Sticking Device 52B Partition Sticking Device 53 Cushion Material Feed Part 53A Cutting Machine 53B Stirrer 55 Anti-Slip Agent Coating Device 56 Sewing Machine Eye forming device

C Anti-slip agent G Adhesive

Claims (8)

Cushion material,
A bag-like cover body including the cushion material;
A buffer element body is formed by including an anti-slip portion provided on the front surface of the cover body;
In a packaging shock absorber which is constituted by combining one or more sheets of this cushioning element ,
The cushion material is constituted of either one or both of a bulky entangled paper material of short and thin belt-like shape and a paper material of strip shape,
Moreover, the above-mentioned anti-slip portion is formed in a wide area on the entire surface of the front surface of the cover body.
In the case where a plurality of the cushioning element bodies are combined, part or all of the dividing edge of each cushioning element body is provided with a separating weakening portion. body.
The cushioning material according to claim 1 or 2, wherein the cushioning material and the cover in the cushioning element are both made of a paper material not containing a synthetic resin.
The cover body is formed into a bag shape from an original sheet, and an adhesive for maintaining the bag shape is characterized in that a hot melt adhesive is used. Or the buffer for packing of 3 statement.
The packing shock absorber according to claim 1, 2, 3 or 4, wherein the material constituting the anti-slip portion is a hot melt resin applied to a cover.
6. The shock absorber for packaging according to claim 5, wherein the hot melt resin constituting the anti-slip portion comprises a functional material.
The packing shock absorber according to claim 1, 2, 3, 4, 5 or 6 , wherein a printed indication is provided on the front surface of the cover body.
A packaging container comprising a packaging buffer according to any one of claims 1, 2, 3, 4, 5, 6 or 7 in a container body.

Images