JPH11208726A - Impact absorbing package - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an impact absorbing package which can be used for numerous kinds of products in a general-purpose manner. SOLUTION: The impact absorbing package 40 comprises elastic film pieces F stuck to opposite faces of a pair of inner frames inscribing an outer box 30 and having four sides comprising a parallelopipe K and an object H to be packaged held between the two opposite elastic films to be hung. The inner frame 20 can be assembled from a single blank, wherein both the blank and the outer box 30 can be folded when not in use.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an excellent shock-absorbing package used for transport packaging.

[0002]

2. Description of the Related Art Conventionally, foamed plastic cushioning materials have been used as shock-absorbing materials in the distribution of home electric appliances, personal computers, precision machinery products, and the like. The use of cushioning materials is increasing. Conventionally, proposals have been made to use a flexible film as a cushioning material. FIG.
FIG. 1 is an explanatory view of a conventional shock-absorbing package that sandwiches an object to be packaged between flexible films proposed in Japanese Utility Model Publication No. 48-112780. This shock absorbing package is shown in FIG.
Two mounts 10 'having a window frame M as shown in FIG.
Is folded into an outer box to form a support 20 'for the flexible film F as shown in FIG. 5 (b), and the two opposing flexible films F which have been pasted on the entire mount 10' in advance. Thus, the packaged object H is to be suspended inside the outer box. Although not shown, Japanese Patent Laid-Open No.
No. 83,564 discloses that a flexible bowl or a tray having a pair of flanges and a flexible film attached to the opening of the tray in a tensioned manner are opposed to each other. Packaging has been proposed.

[0003]

Paper cushioning materials are preferred in that they can be easily disposed of by incineration, but there is a problem that it takes a long time to set and a large buffering effect cannot be expected. In addition, there is a problem in that the volume as waste when discarded is large and it takes time and effort to process, and further, there is a problem that paper dust coming out of paper gets into the product or scatters around when unpacking. The package proposed in Japanese Utility Model Laid-Open Publication No. 48-112780, in which a package is sandwiched by flexible films, almost eliminates the above problems, but the structure for holding two flexible films is delicate. However, there is a problem that it cannot be used for a heavy packaged object H. Also, no consideration is given to processing after use. JP-A-8-
A package for sandwiching an object to be packaged by a flexible film proposed in JP-A-183564 is a rigid bowl or tray molded of plastic, and thus is used.
Processing after use is a problem. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has a structure for holding two flexible films, which can be applied to a heavy product. It is an object of the present invention to provide a shock-absorbing package that can be folded into a package.

[0004]

According to the present invention, there is provided a shock-absorbing package according to the present invention, wherein a package to be packaged is held in a suspended state by two opposed flexible flexible films. The two middle frames each having a quadrangular prism body with four sides are opposed to each other in an outer box inscribed in the middle frame, and a flexible film piece is adhered to a facing surface (bottom surface) of the middle frame. And further forming the quadrangular prism body from a first inner plate, a first top plate, an outer plate, a bottom plate, and a second inner plate from outside to inside in a direction perpendicular to four sides of one square blank. And a quadrangular prism body composed of four surfaces connected in the order of the second top plate via a fold line so as to be wound so that the first inner plate is the innermost layer, and connected to the second top plate. The insertion piece inserted into the slit between the first top plate and the outer plate is formed, and the adjacent quadrangular prism body is formed. Aspirations, is made of a structure obtained by connecting through a diagonal fold line at both ends each other of the bottom plate. Further, the shock absorbing package according to the present invention has a configuration in which four sides of the flexible film piece are strongly bonded to the bottom plate of the blank. Furthermore, the shock absorbing package according to the present invention is characterized in that the blank is formed by the oblique fold line and two fold lines perpendicular to the center of the quadrangular prism body forming part by the fold line. It is configured to be folded into an area.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings. FIG. 1 is an explanatory view of a blank of a middle frame of a shock absorbing package according to the present invention. FIG. 1A is a developed view of a blank of a middle frame of the shock absorbing package according to the present invention. As shown in FIG. 1A, the blank 10 is formed by stamping out four corners and a center of a square paperboard or a cardboard.
It consists of four quadrangular prism members A indicated by oblique lines, each of which is connected at both ends of the bottom plate 4 via oblique fold lines g. Each of the quadrangular prism-constituting portions A includes a folding line a in the order of the first inner plate 1, the first top plate 2, the outer plate 3, the bottom plate 4, the second inner plate 5, and the second top plate 6 from the outside to the inside. , And an insertion piece 7 is extended to the second top plate 6,
A slit 8 is provided on the fold line b between the first top plate 2 and the outer plate 3. A flexible film piece F indicated by a square halftone dot is strongly adhered to the center of the blank 10 on four sides of the flexible film film piece F with the bottom plate 3. Further, the blank 10 includes four quadrangular prism members A
Fold lines f are provided across the center of the line. Therefore, the blank 10 has the above folding line f and the bottom plate 3
Can be folded to approximately 1/8 in area as shown in FIG.

FIG. 2 is an explanatory view for assembling the middle frame of the shock absorbing package according to the present invention. As shown in FIG. 2, the four quadrangular prism members A are wound and folded so that the first inner plate 1 is the innermost layer. Finally, the insertion piece 7 is inserted into the slit 8, and the four surroundings are formed. The middle frame 20 composed of the quadrangular prism K can be assembled. Here, the inner side and the top side (upper part in FIG. 2) of each quadrangular prism K in the middle frame 20 are defined by the first inner plate 1 and the second inner plate 5, and the first top plate 2 and the second top plate 6. It has a double structure. The pattern is also shown by FIG. The assembled quadrangular prisms K are connected to each other at both end portions of the bottom plate 4 via fold lines g. In addition, since the flexible film piece F is stuck on the bottom plate 4 at the periphery thereof, one surface of the assembled middle frame 20 is closed by the flexible film. The other middle frame 20 is assembled in exactly the same manner.

FIG. 3 is a view showing a completed assembly of the shock-absorbing package according to the present invention and a functional explanatory view. The two middle frames 20 assembled as described above are inserted into the outer box 30 so that the flexible film pieces F face each other, and the object H to be packaged is placed between the two flexible films F. Is installed so as to be suspended inside. The procedure is as follows. One of the inner frames 20 is placed with the flexible film side up on the bottom of the outer box 30 whose top face is opened, and the packaged object H is placed on the flexible film from above. The other middle frame 20 may be pushed in with the flexible film side down to close the top surface of the outer box 30. In FIG.
Although it is drawn vertically symmetrically, as long as the middle frame 20 having exactly the same specifications is used up and down, the lower flexible film is further stretched by the weight of the packaged object H and has a larger elongation. Become. Also, the shock absorbing package 40 according to the present invention can be turned upside down,
The size and shape of the package H are determined by the extension and tensile strength of the flexible film and the distance between the first two flexible films so that the package H can be suspended in the outer box 30. Must be controlled according to the weight. In general, the flexible film F has some tackiness, and exhibits a suitable action of firmly holding the packaged object H. Also,
Since the flexible film is excellent in puncture resistance, it is possible to handle an angular packaged object H.

FIG. 4 is an exploded view showing an embodiment of an outer box blank used in the shock absorbing package according to the present invention. In the case of this embodiment, FIGS.
The blank shown in (b) is replaced with the glue allowance N1 and the opposing surface N1 '.
In addition, the glue allowance N2 and the opposing surface N2 'are stuck together to form an outer box of one piece, but in order to facilitate assembly and easy removal of the packaged material H, an auto bottom method and a lock assembly method are adopted. I have. Further, similarly to the blank 10 of the middle frame, fold lines h and i are newly added so as to be folded as compactly as possible. The outer box 30 used for the shock-absorbing package 40 according to the present invention withstands the total load of the package H and the two middle frames 20, and suspends the package H by two flexible films. Middle frame 20 by setting
Any type of outer box 30 may be used as long as it can overcome the stress acting to push up the top or bottom plate of the cardboard. As the material of the outer box 30,
When the article to be packaged H is small, cardboard and E-flute corrugated cardboard are sufficient, and when the size and size increase and the weight increases, the use of A and B flute cardboard is required.

As the flexible film F used for the shock absorbing package 40 according to the present invention, a stretch film for heavy materials such as a polyolefin resin and a vinyl chloride resin used in a general stretch distribution system is used. Among them, polyurethane resins are particularly excellent in extensibility, resilience, tensile strength, tear strength, piercing strength, abrasion resistance, etc., and have light tackiness. Can be suitably used as a flexible film.

The shock-absorbing package 40 according to the present invention has a stronger shock-absorbing function than conventional shock-absorbing materials, so that it is easy to transport and pack electronic devices, precision machines, glass and ceramic products, which are easily broken by impact. Ideal for In addition, since a transparent flexible film is used, it is possible to display while showing the contents depending on the design of the outer box, and unlike the cushioning material of the shape unique to conventional products ,
Any product whose size, weight, and shape fall within a predetermined range can be used irrespective of the product item, so it can be used as a general-purpose shock-absorbing packaging material used by pass-through, home delivery companies, and the like. . Also, it can be suitably used when assembling various kinds of products or parts at the same time. Since both the outer box and the inner frame are set to be foldable, handling after use is convenient as described above.

[0011]

According to the present invention, the outer box 30 is inscribed,
By attaching the flexible film pieces F to opposing surfaces of a pair of middle frames each having a quadrangular prism body K, and sandwiching and hung the package H between them, a heavy package Even if it is H, it can be protected from impact during the logistics process,
It can be used for a wide variety of products, and can also be used when assembling products of different items as a set. In addition, by making the middle frame 20 and the outer box 30 foldable after use, it is useful for space saving, and can be stored in each home and reused for repairs, etc. Volume reduction is possible.
Further, 2 which constitutes the shock absorbing package 40 according to the present invention.
After use, the inner frame 20 and the outer box 30 are both folded and reduced to a compact state, stored as a set, and the packaged product H is broken down and sent to the manufacturer. Can be reused in case. Furthermore, even when discarded, it is possible to reduce the volume by folding the middle frame 20 and the outer box 30.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a blank of a middle frame of a shock absorbing package according to the present invention.

FIG. 2 is an explanatory view of assembling a middle frame of the shock absorbing package according to the present invention.

FIG. 3 is a diagram showing a completed assembly of the shock-absorbing package according to the present invention and a functional explanatory diagram.

FIG. 4 is an exploded view showing one embodiment of an outer box blank used in the shock absorbing package according to the present invention.

FIG. 5 is an explanatory view of a conventional shock absorbing package body for sandwiching a packaged object between flexible films.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st inner plate 2 1st top plate 3 outer plate 4 bottom plate 5 2nd inner plate 6 2nd top plate 7 insertion piece 8 slit 10 Middle frame blank of shock absorbing package according to the present invention 10 'conventional shock absorbing package Mount 20 of the shock absorbing package according to the present invention 20 ′ Support of conventional shock absorbing package 30 ′ Outer box of shock absorbing package according to the present invention 30 ′ Outer box of conventional shock absorbing package 40 According to the present invention Shock-absorbing package 40 'Conventional shock-absorbing package a-i Folding line A Square prism component K Square prism F Flexible film piece H Packaged object

 ──────────────────────────────────────────────────の Continued on the front page (72) Inventor Takataka Aoki 1-1-1 Ichigaya Kagacho, Shinjuku-ku, Tokyo Dai Nippon Printing Co., Ltd.

Claims (3)

[Claims] 1. A package for sandwiching an object to be packaged in a suspended state between two opposing tensioning flexible films, wherein two middle frames each having a four-sided quadrangular prism body are provided. A flexible film piece is adhered to an opposing surface (bottom surface) of the middle frame in the outer box inscribed in the frame, and the quadrangular prism is formed by four sides of one square blank. A first inner plate, a first top plate from the outside inward in a direction orthogonal to
An outer plate, a bottom plate, a second inner plate, and a second top plate are wound and folded such that the first inner plate is the innermost layer so that the four-sided prism-shaped component portion formed by the four surfaces connected via the fold line is the innermost layer. The insertion piece connected to the second top plate is formed by being inserted into a slit between the first top plate and the outer plate, and the adjacent quadrangular prisms are inclined at both ends of the bottom plate. An impact-absorbing package, which is connected via a folding line. 2. The shock absorbing package according to claim 1, wherein four sides of the flexible film piece are strongly bonded to the bottom plate of the blank. 3. The method according to claim 1, wherein the blank includes the oblique fold line,
The shock absorbing package according to claim 1 or 2, wherein the blank is folded down to one-eighth the area of the blank by two folding lines passing through the center of the quadrangular prism component and crossing at right angles.