WO2005044688A1

WO2005044688A1 - Universal air-cushioning material

Info

Publication number: WO2005044688A1
Application number: PCT/JP2004/004463
Authority: WO
Inventors: Tomematsu Abe
Original assignee: Tomematsu Abe
Priority date: 2003-11-05
Filing date: 2004-03-29
Publication date: 2005-05-19
Also published as: JP3929432B2; KR20060086383A; CN1874937A; US20070131575A1; JP2005138863A

Abstract

An inexpensive universal air-cushioning material capable of stably packaging packaged bodies of different shapes and sizes with a simple structure and withstanding long-time transportation under severe conditions, wherein the side edge parts of two sheets of laminated square synthetic resin films of a same material forming the end parts of the upper and lower and right and left outer frames thereof are thermally fused to each other and the intermediate parts thereof are thermally fused to each other between the side edge parts arbitrarily according to the sizes and shapes of the packaged bodies to provide border parts divided into a plurality of parts. At least a pair of cutout parts are provided, symmetrically in the lateral direction, at any positions near the side edge parts of the border parts according to the sizes and shapes of the packaged bodies. At least one air flow port is formed at the border parts to form a plurality of air chambers communicating with each other so that a contact area between the air chambers and the packaged body or the inner wall of a carry container can be arbitrarily changed. Also, the entire parts of the air chambers are inflated by filling air into at least one of the air chambers through an air filling port, and the inside thereof is allowed to press against the packaged body and the outside thereof is allowed to press against the inner wall of the carry container.

Description

Description Universal air cushioning material Technical field

The present invention relates to a packing member for transporting a package having various shapes, such as a medical device, various precision machine parts, a semiconductor product, and a glass product, and more particularly to a package to be transported and storage. Cushioning material to protect the packaged object from external forces such as impacts, especially among various products and parts whose shapes and dimensions are not determined. The present invention also relates to a universal air cushioning material which is suitably used when transporting in different environments for a long period of time. Background art

Conventionally, styrofoam molded products have been used for the packaging of regular mass-produced products. It was useful because it could be used regardless of

However, in each of the above cushioning members, for example, styrofoam molded products are used exclusively for each product, so after use, disposal other than disposal is not expected, and versatility is not expected. Even in the case of styrofoam chips, bubble sheets (air caps), newspapers and cloth, etc., which are excellent in terms of quality, they are considerable when finally treated as waste. From the viewpoint of, it is a problem that cannot be easily overlooked.

Therefore, recently, the outer edge of the two synthetic resin films is heat-sealed into a bag shape, and a bag-shaped air cushioning material provided with an air inlet having a special check valve function at one end thereof ( For example, Japanese Patent Publication No. 7-111771, pages 1 to 3 and FIG. 2), or a linear or dotted welding line is provided inside the bag-like cushioning material to form a plurality of small air chambers. An air-mat-like cushioning material (see, for example, Japanese Utility Model Application Laid- _Open No. _6-371149, No .: pp. _5-5 , see FIG. 4) was developed. 111 ^2-5 1 ₃ / (:. A 111 ² thin film made of a synthetic resin bag-shaped air cushioning material pneumatic mosquitoes were encapsulation, are already used widely this bag-shaped air buffer material versatility as packaging materials It has excellent properties as a protective packaging for various parts and products, as a gap filling material for miscellaneous goods, and as a cushioning material for materials, while being easy to use, and folded into a sheet when not in use. The storage space is also compact, and disposal is easy and simple.

However, the synthetic resin bag-shaped air cushioning material has excellent properties as a substitute for chip-shaped styrofoam and bubble sheets, which can be used for cargo consisting of various types of parts and products with various shapes. However, it is necessary to stably pack precision parts with a specific thickness of a square or polygonal shape, glass products that are vulnerable to impact, or cylindrical or columnar cargo that is easily damaged and stored in a transport container or the like. When transporting under unfavorable conditions, there is still some concern about its reliability, and a large amount of bag-like air cushioning material will be used more than necessary to wipe it off. In addition, it is desirable that the bag-shaped air cushioning material be individually compact in order to compensate for various gaps between the product to be conveyed and the packaging container, and to enclose air. Also relatively Teire, have been required to be pressure. Therefore, the temperature changes drastically During long-term transport or storage in cold areas, for example, in cold regions, the air pressure of the bag-like air cushioning material decreases, and in high-temperature regions, the bag-like air cushioning material ruptures and functions as a cushioning material. There were new problems, such as the loss of work.

Recently, many air cushioning materials have been proposed, which are designed to wrap and wrap cargo such as precision parts with air cushioning materials and intervene with the transport container to exhibit a stable cushioning function.

As an example, an air cushion made of synthetic resin having a plurality of elongate air chambers connected in the horizontal direction is bent by bending the elongate air chamber into a cylindrical shape, and by bending a partially welded portion thereof. Specifically, an air cushioning material that covers the entire packaged object with the air chamber (see, for example, Japanese Patent Application Laid-Open No. 2003-137372, No.; A wrapping-type air cushioning material (for example, a step formed at the boundary between the middle portion and both end portions of the air chamber when filled with air is provided. Japanese Unexamined Patent Application Publication No. 2003-633657, No .; pp. 7 to 7, FIG. Ref. FIG. 7 to FIG. 7) has been proposed. In the former, the article to be packed is completely wrapped with the cushioning material. In this case, wrap the packaged object while supporting it around the step, or in some cases, pinch it from the left and right Air cushioning material of the formula has been proposed. Disclosure of the invention

Usually, when various products are transported for a long time by ship or airplane, they are transported in containers, but there is a concern that the collapse of the cargo in the container may cause a major accident because it is not found externally. Therefore, sufficient consideration is required for the package, and its reliability is particularly important. So we use air cushioning In addition to the above improvements, the air cushioning material for preventing collapse of the cargo is of a double structure consisting of an outer bag and an inner bag.For example, kraft paper not exposed to the outer bag, Either using a PE bag or a triple layer of kraft paper that has not been exposed to the outer bag, using an inner bag as a PE bag, or using a laminate of PA / PE / PA Also in this case, a widely used air cushioning material formed in a pillow shape is widely used.

For example, when packing and transporting a product carton packaged in a cardboard box using this pillow-shaped air cushioning material, stress may be concentrated at the central portion of the air cushioning material and become convex. There is a concern that the air cushioning material may be deformed in a convex shape, resulting in damage to cargo such as products.Therefore, reinforced corrugated cardboard etc. should be interposed between the inner wall of the container and the cargo, thereby Care has been taken to prevent damage due to contact with the container, but the reinforced cardboard used is expensive, causing so-called soaring costs including soaring, and promptly seeking solutions. there were. In addition, used packaging containers are attracting worldwide attention as a problem of garbage, but the air cushioning material used in combination with various kinds of materials is not desirable from the viewpoint of recycling and incineration, An air cushion made of a material has been a strong demand in the art.

In order to solve the problems left in the prior art, the present invention adds further improvements to the above prior art, and has an air cushioning material capable of responding to various objects to be packed despite its compact structure. Specifically, by using a single material to form an air cushioning material, cargo consisting of products and parts with various dimensions and shapes is packed and stored in containers, and stable even under severe conditions It is an object of the present invention to provide an all-purpose air cushioning member that can be transported efficiently. An air cushioning member according to the present invention for solving the above-mentioned problems is provided between a body to be packed and an inner wall of a transport container, and is provided for protecting the body from external force such as an impact. In the cushioning material, the side edges forming the ends of the upper, lower, left and right outer frames of the square synthetic luster film made of the same material made of two sheets are heat-welded, and between the side edges. The intermediate portion is arbitrarily heat-welded in accordance with the dimensions and shape of the packaged object, so that a plurality of divided edges are provided, and an arbitrary portion near the side edge of the edge is provided. At least one pair of notches is provided symmetrically in accordance with the dimensions and shape of the package, and at least one air flow opening is provided in the peripheral portion to form a plurality of air chambers communicating with each other, The contact area between the air chamber and the inner wall of the packing object or the transport container An air inlet is provided in at least one of the air chambers, air is injected from the air inlet to inflate the entire air chamber, and the inner side of the air chamber is used as a package. The gist of the present invention is a universal air cushioning material whose characteristic configuration is to press the outer side against the inner wall of the transport container.

The present invention is also characterized in that, in the universal air cushioning material, any part of the side edge part and the notch remaining part of the notch part is heat-welded according to the size and shape of the packaged object to be packed. Is what you do.

The present invention is further characterized in that, in the universal air cushioning material, one of the notch remaining portions of the notch portion is heat-welded, and the upper and lower side edges are heat-welded or stitched. Is what you do.

The universal air cushioning material according to the present invention is characterized in that the synthetic resin film forming the cushioning material is a film made of Ε / Ε Εcross / Ρ Ε or Ρ / Ρ Ρcross / Ρ Ρ. Things. In the universal air cushion according to the present invention, a check valve is used for an air inlet provided in at least one of the air chambers. Further, in the present invention, it is preferable that, in the universal air cushioning material, an antistatic agent is mixed into the synthetic resin film constituting the material.

The all-purpose air cushioning material according to the present invention emphasizes the shape and dimensions of the cargo (hereinafter, may be simply referred to as “cargo”) such as various products and parts which are the objects to be packed. The main feature is that it forms itself. That is, the side edges forming the ends of the upper, lower, left and right outer frames of the two square synthetic resin films made of the same material are heat-welded, and an intermediate portion is formed between the side edges. By arbitrarily heat-welding the portion corresponding to the dimensional shape of the packaged object, an edge portion divided into a plurality is provided, and the packaged object is provided at an arbitrary position near the side portion of the edge portion. At least one pair of notches is provided symmetrically to the right and left corresponding to the dimensions and shape, and at least one air flow opening is provided in the peripheral portion to form a plurality of air chambers communicating with each other. It is possible to arbitrarily change the contact area between the air chamber and the packing object or the inner wall of the transfer container, and at least one of the air chambers is provided with an air inlet, and air is supplied from the air inlet. Inject and inflate the entire air chamber, and the inside of the Universal air cushioning material as an essential constituent elements that occupy Sesse pressure side to the inner wall of the transport container is provided.

The universal air cushioning material according to the present invention is provided with the air chamber as described above, so that the contact area between the inner wall of the cargo to be packed or a transport container (such as a container) and the air chamber can be arbitrarily controlled. It is possible to do. Therefore, air is injected from an air inlet provided in at least one of the air chambers to expand the air chamber, When the inner side is pressed against the cargo and the outer side is pressed against the inner wall of the transport container to function as a cushioning material, it is possible to obtain a large contact area with each other, so that stress concentration is avoided beforehand, and stable cushioning is achieved. Function is secured. Therefore, it is possible to raise the internal pressure before it can flexibly respond to changes in temperature and atmospheric pressure, and to maintain the function as a cushioning material under severe conditions for a long time It became possible.

In addition, the cushioning material according to the present invention is characterized in that at least one pair of notches is provided symmetrically at an arbitrary position on a side surface of the cargo according to the shape of the cargo to be packed, so that the notch remaining portions of the notches are connected to each other. Each of them is heat-welded to form a substantially U-shaped cushioning material, and is not limited to simply clamping the corners of the square cargo by using the two air cushioning materials in the prior art. However, it is protected by firmly gripping it, and in addition, by forming a bottomed cylindrical cushioning material by heat welding the side edges of the upper and lower objects, for example, to store bottles and cut It is also possible to protect cylindrical, columnar or circular cargo by simply welding or stitching the side edges of the upper and lower objects without heat welding the remaining chipped part. is there. '

As described above, although the air cushioning material according to the present invention basically has a simple structure, it is possible to arbitrarily change the size of the synthetic resin film or arbitrarily increase or decrease the margins or cutouts. Because of this, the parts and positions to be heat-sealed (or sewn) can be arbitrarily changed according to the shape and dimensions of the cargo to be packed. Provided. Further, the air cushioning material is packed between the packing and the container so as to grip each main part from the side and top and bottom, and is interposed so as to provide a certain gap between the cargo and the packing. Even if the pressure in the air chamber decreases due to the change in atmospheric pressure and the buffering effect becomes slight, it still remains. Cargo can be protected from impact.

The universal cushioning material according to the present invention is further characterized by using the same material, specifically, a film made of PE / PE cloth ZPE or PP / PP cloth / PP as a two-layer film, so that an arbitrary portion thereof can be used. The above-mentioned processing is made possible due to the free heat welding, and the maintenance is easy because of the same material, so that it can be recycled and used effectively after use. Unlike the conventional air cushioning material that wraps and wraps the packaged body, the universal air cushioning material of the present invention, which protects only the essential parts, is extremely compact in its own body As a result, costs related to storage and transportation when not in use are reduced, and there is no unavoidable risk of harmful substances during incineration. Consideration has been given to the surface. Brief Description of Drawings

FIG. 1 shows two front and back synthetic resin films made of PEZPE cross ZPE forming a universal air buffer according to one embodiment of the present invention before air is injected to form a buffer. It is a top view which shows the state of.

FIG. 2 is a perspective view schematically showing a state in which a substantially rectangular flat box as a packaged object is gripped from the left and right after air is injected to form a universal air cushion in the embodiment.

FIG. 3 is a plan view showing a state (corresponding to FIG. 1) of a universal air cushion according to another embodiment of the present invention before air is injected to form a cushion.

FIG. 4 shows that a closed bottomed cylindrical cushioning material was formed by injecting air in the same example. FIG. 2 is a perspective view schematically showing a state in which a wine container is stored (corresponding to FIG. 2).

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. However, the present invention is not limited to the drawings, and can be freely changed within the scope of the present invention.

The all-purpose air cushioning material 1 according to the first embodiment of the present invention has a width of 80 O mm, a length of 120 O mm, and a height of 420 mm as the package 10. This is to provide a cushioning material for stacking multiple precision electrical components housed in a cardboard box of 开 and loading them into a transport container.PE 80 / PE 14 XPE 14 / PE As shown in Fig. 1, a plurality of such polyethylene films were cut into a width of 160 Omm and a length of 100 Omm, and the two films were superimposed on each other. A side edge 2 to be formed and a side edge 3 which is inside the side edge 2 and divides the horizontal direction into eight equal parts, and the vertical direction is divided into five sections, is further formed in a third direction in the horizontal direction. A notch 4 is equally formed on the inner side of the second and sixth steps in the longitudinal side edge 2-3, 2-4 force, and the side edge 2 and the side edge 3 are heat-welded respectively. Do In both cases, the notch remaining portions 4-2 and 4_3 and 4_4 and 4-5 of the notch portions 4 are heat-welded, respectively, and two notch portions 4 are respectively equally divided on both left and right sides; A universal air cushion 1 composed of eight communicating air chambers 5 was formed. The universal air cushioning material is provided with at least one air inlet 6 having a check valve function at an arbitrary position on the side edge 2, and the internal pressure becomes 5 Kpa / m ² from the air inlet 6. Air was injected to obtain a universal air cushion 1 according to the present example, which was expanded into a substantially U-shape. Then the universal according to this example Two mold air cushions were prepared, and as shown in FIG. 2, both sides of the packaged object 10 were properly grasped and stored in the container. As a sample, a polyethylene resin air cushioning material obtained in substantially the same manner as in this example was subjected to a load test at a gap of 30 Omm.As a result, it was confirmed that the sample could withstand a load of 19.537 KN. It was confirmed that the package 10 was protected by the universal air cushioning material 1 force S according to the present example with sufficient strength. The universal air cushioning material 1a according to the second embodiment of the present invention is a bottomed lid for packaging a commercially available glass wine container as a packaged body 10a and an exterior as a wooden box. As shown in FIG. 3, the air chamber 5a is provided with an air cushioning material, using a polyethylene film substantially similar to that of the first embodiment, and is equally divided into eight in the longitudinal direction by a peripheral portion 3a. The four sides of each side are symmetrically formed into four notches 4a, and the remaining notches 4a_6 and 4a-8 (or 4a-7 and 4a-9) are formed. After heat-welding and heat-welding the side edges 2a-1 and 2a-2, air is injected in the same manner as in Example 1 to obtain a substantially cylindrical air cushion 1a having a bottom. Was. Next, after inserting a wine container as the packaged object 10a into the air cushioning material 1a on the cylinder, the notch remaining portions 4a_2 and 4a-4 (or 4a-3 and 4a-5) are removed. They were sealed and placed in a wooden box to complete packing according to this example. The air cushioning material 1a according to the present example is a cut-away portion 4a-6 and 4a-8 (or 4a_7 and 4a-9) where the bottom of the wine container is heat-sealed and the crown portion is sealed. The remaining portions 4a—2 and 4a—4 (or 4a—3 and 4a—5) are supported by the notch remainder, and the side edges 2a—4 and 2a are provided between the bottom, the crown portion, and the wooden box. — It was confirmed that the air chamber 5a corresponding to 3 was supplemented, and the side was housed so as to be wrapped by the inner air chamber 5a, and was protected by a stable cushioning resistance function. The all-purpose air cushion 1b according to the third embodiment of the present invention is similar to that of the second embodiment except that the side edges 2b-1 and 2b-2 are combined using a PE sewing thread. Two bottomed cylindrical cushioning materials obtained in the same manner were prepared, placed on both ends of a cylindrical glass tube, and stored in a wooden box of a transport container. Both ends of the glass tube are each protected in the same manner as the bottom or crown of the wine container of Example 2, and the outer periphery of the glass tube is sufficiently spaced between the wooden box by the cushioning material 1b. It was confirmed that a large gap was formed, and that it was stably protected from external forces due to impacts and the like.

According to another embodiment of the present invention, the material composition of the synthetic resin film forming the air cushioning material is ΡΕ30〃 / ΡΕ30 μ cloth / Ρ Ε130 μm, and ΡΡ130 μm is provided inside. Cylindrical air cushioning material was formed by laminating 畐 75 Omm and 1000 mm long finolem, and the side edges were sewn with PE sewing machine thread, which is a similar material. The cushioning material according to this example is used in the same manner as in Examples 2 and 3, but by forming it into a cylindrical shape from the beginning, its pressure resistance is improved, the gap is 200 mm, and the outside air temperature is 26 to 70 °. C, the pressure resistance at an air injection pressure of 5 KpZm ² (28 ° C) was 30 Kn, and the compressive strength against air cushioning material was 1900 Kn. In addition, it was confirmed that the withstand temperature during transport of the container was 70 ° C, and the weak point due to thermal welding on the side edge was eliminated by making it cylindrical, and the pressure resistance was improved.

The all-purpose air cushioning material according to the present invention in each of the above-described embodiments uses two sheets of PE80 / PE14XPE14 / PE80 as a material, but according to the present invention, a laminated synthetic resin is used. Are required to be the same material, and there is no particular limitation as long as they have properties similar to those of the above embodiment. In addition, PE / PE cloth / PE and PP / PP cloth / PP are recommended as the most preferable materials in consideration of the problem of environmental protection during maintenance and incineration.

In the universal air cushioning material of the present invention, the shape of the air chamber in the above embodiment is substantially rectangular, but it is not limited to this in practical use, and the shape of the object to be packed is not limited. The shape of the edge may be circular or semicircular, or may be polygonal, and can be freely selected. As described above, in the present invention, the first characteristic is that the shape of the cushioning material is freely formed according to the shape and dimensions of the packaged object. The effect can be achieved even in the area of resource saving, energy saving and environmental protection.

As another embodiment of the present invention, the above-mentioned synthetic resin film forming a cushioning material, specifically PEZ PE cloth / PE,? ? To form a universal air cushioning material using a pre-mixed antistatic agent in zu cloth or the like to prevent static electricity on the products to be packed and to prevent dust from adhering to it. Is also suggested as a preferred embodiment. The component used as the antistatic agent is not particularly limited as long as the object of the present invention can be achieved, but the high-molecular polyethylene is a synthetic resin constituting the raw material of the universal air buffer of the present invention. A polymer antistatic agent that can be easily mixed into a resin or the like and does not impair the object of the present invention, more specifically, a polymer having an organic acid, a sulfonic acid, an organic ammonium salt, or the like is preferably selected. Is done. Industrial applicability As is clear from the above embodiments, the universal air cushioning material according to the present invention completes the inner packaging form only by injecting air, so that the packaging operation becomes extremely simple. In addition, since the universal air cushioning material according to the present invention requires that the cushioning material itself be formed in accordance with the shape and dimensions of the package, particularly square or round products and parts are used. Regardless, there is no risk of vertical, horizontal, or horizontal misalignment with the outer container such as a container, and in combination with the cushioning effect of air, it is excellent for storing and transporting medical equipment, semiconductor products, and other precision equipment. Safety is guaranteed. Furthermore, two synthetic resin films made of the same material are combined, and a side edge forming the end of the outer frame, and a vertical and horizontal side of the side edge, or an intermediate portion between the upper and lower side edges and the side edge Are formed by heat welding corresponding to the shape and dimensions of the cargo to be packed, and at this time, they are communicated with each other by the air flow openings provided in the periphery. A closed air chamber is provided, and it is possible to arbitrarily control the contact area between the inner wall of the cargo to be packed or a transport container (such as a container) and the air chamber. Therefore, when air is injected into the air chamber and inflated, and the inside is pressed against the cargo and the outside is pressed against the inner wall of the transport container to function as a buffer, it is possible to obtain a mutually large contact area. Therefore, concentration of stress is avoided beforehand, and a stable buffer function is secured. Therefore, it is possible to increase the internal pressure before it is possible to respond flexibly to changes in temperature and atmospheric pressure, and it is possible to maintain the function as a cushioning material under severe conditions for a long time. became. In addition, the universal air cushioning material according to the present invention further uses an identical material, specifically, a film made of PE / PE cloth / PE or PP / PP cloth / PP as a two-layer film, so that an arbitrary portion thereof can be used. The above-mentioned processing is made possible by the ability to perform heat welding freely. Also, since it is the same material, It is easy to maintain and is expected to be recycled and used effectively after use, and there is no risk of producing harmful substances during inevitable incineration. Consideration is also given to environmental protection. The universal air cushioning material of the present invention uses the same synthetic resin film as a raw material, and since it does not use paper or powder, it can sufficiently withstand moisture during storage or transportation. Can be.

The all-purpose air cushioning material of the present invention prevents static electricity and the like, which are most repelled in precision electric parts and medical equipment, by mixing an antistatic agent into a synthetic resin film as a raw material material, At the same time, malfunctions of equipment and dust adhesion due to it are also effectively eliminated. To further add to the effects of the present invention, unlike the conventional air cushioning material in which a packaged object is formed and wrapped or sandwiched from both sides, the versatility of the present invention in which only the main parts are gripped and protected. The type air cushioning material has a very simple structure itself and is compact, and the amount of materials used is reduced to the utmost.Because the cushioning material before use is a thin sheet, it can be used when not in use. It is expected to have a wide range of uses as an air-injection type cushioning material, since it reduces the logistics costs related to storage and transportation and significantly contributes to energy saving effects.

Four

Claims

The scope of the claims

1. An air cushioning material interposed between the packaged object to be packed and the inner wall of the transport container to protect the packaged object from external forces such as impacts. The side edges forming the upper, lower, left and right outer frames of the rectangular synthetic resin film made of are heat-welded, and an intermediate portion between the side edges corresponds to the size and shape of the packaged object. Arbitrarily heat-welded to provide a plurality of divided edges, and at least a pair of symmetrical portions in the vicinity of the side edges of the edges corresponding to the dimensions and shape of the packaged object. A plurality of air chambers are provided at the periphery, and a plurality of air chambers communicating with each other are formed, and a contact area between the air chambers and the inner wall of the packaged object or the transport container is formed. Can be arbitrarily changed, and the number of the air chambers is reduced. Another is to provide an air inlet, inflate the entire air chamber by injecting air from the air inlet, and press the inside of the air chamber against the packaged object and press the outside against the inner wall of the transport container. Features a universal air cushioning material.

2. In the universal air cushioning material, any part of the side edge and the notch remaining part of the notch is heat-welded according to the size and shape of the object to be packed. The universal air cushioning material according to 1.

3. The universal air cushioning material is characterized in that one of the remaining notch portions of the notch portion is heat-welded and the upper and lower side edges are heat-welded or stitched. Item 1. A universal air cushioning material according to item 1.

4. The synthetic resin film forming the universal air cushioning material is a PE / PE cloth / PE or PP / PP cloth / PP film. Item 1. A universal air cushioning material according to item 1.

5. The universal air cushion according to claim 1, wherein in the universal air cushion, a check valve is used for an air inlet provided in at least one of the air chambers.

6. The universal air cushioning material according to claim 1, wherein the universal air cushioning material is obtained by mixing an antistatic agent into the synthetic resin film constituting the material.

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