JP3620555B2 - Cassette or cartridge storage case - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cassette or cartridge storage case used for storing, transporting, and storing a tape cassette, tape cartridge, or disk cartridge that includes a tape-like recording medium such as a video tape or an audio tape. It is about.
[0002]
[Prior art]
A conventional cassette storage case is formed into a rectangular parallelepiped or a cube by die-cutting sheet assembly, blow molding, injection molding, or the like. That is, in order to make the storage case efficiently, a sheet is punched out as shown in FIG. 4, and the folding line a is pushed to form each surface b along the contents. By folding and joining, it becomes an assembly bowl-shaped storage case d having an opening c on one side, and is already used as a storage case for a VHS video tape cassette. Sheets are usually extruded, injected, blown, pressed, vacuum Molded plastic materials (mainly polypropylene, vinyl chloride, polyethylene, polyester) and paper (cardboard) are used. In addition, a rectangular storage case may be formed by injection molding, blow molding, etc., but in order to protect the stored items, the storage case is manufactured to be approximately the same as the contents or larger. .
[0003]
And the conventional storage case performs film packaging in order to further increase the commercial value. This film wrapping is formed by heat-sealing the overlapping parts with a single wrapping film, passing through a shrink tunnel, and shrinking the film to remove wrinkles and sagging. The shrunk packaging film has the same shape as the contents and is very beautiful. Furthermore, the packaging film is printed with various types of prints, and has a different design from the contents to further enhance the product value and willingness to purchase. At the same time, the packaging film also has a function of accumulating a plurality of items. For example, there are cases where the packaging film is double-packaged, and the storage case is distributed and handled in a packaged state.
[0004]
[Problems to be solved by the invention]
However, since the packaging film in the storage case is circulated in a state where the packaging film is just broken due to shrinkage, the packaging film may be broken due to impact such as cargo handling or vibration during stacking. In particular, the packaging film is generally a polypropylene-based material, and is used to be stretched weakly to perform printing with higher accuracy and to shrink after packaging, and is very difficult to tear. Because of its weak nature, there were many defects that caused the packaging film to break. The direct cause of packaging film breakage is shock and vibration during distribution, but the more easily the corner of the storage case or product is sharper, the easier it is to tear, and even if the corner of the opening of the storage case is rounded Since the back portion is a bent portion or a corner portion where each side of the case is concentrated, the pointed state is not improved and a tear phenomenon occurs, which is a problem.
The present invention is intended to eliminate these conventional drawbacks, and the film caused by impact, vibration, etc. in the distribution stage after film packaging is performed after removing the corner portion where the film comes into contact with the film-packed cassette storage case. An object of the present invention is to provide a storage case that is easy to construct and inexpensive and that can be handled safely, is free of tearing, is soft to the touch, and does not damage fingers.
[0005]
[Means for Solving the Problems]
According to the present invention, a storage case having an opening for inserting a cassette facing a back plate has a front side plate, a back plate and a back side plate separated by a folding line, and flaps are formed at both ends of each face plate by a folding line. It is an assembly saddle shape consisting of a die-cutting sheet that is continuously provided as a front side plate flap, a back side plate flap, and a back side plate flap, and the length of the front and back side plates from the opening edge to the back plate is determined from the stored article The opening edge is positioned inside the outer shape R of the stored article, and a die-cutting intersection between the back plate and a flap connected to each face plate of the back side plate is connected to the back plate. The back plate and the front side plate are the die-cutting intersection points of the flaps connected to the respective face plates of the back plate and the front side plate, and the position where the inner side bites on the folding line with the back side plate. Parallel to the folding line and in the front side plate It is obtained by a position to flap edge on.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
An example of the present invention will be described with a sleeve case in which one sheet is bent along a folding line to form an assembled bowl shape. A storage case having an opening 12 for inserting a cassette facing the back plate 2 is a front side plate 1. The back plate 2 and the back side plate 3 are divided and connected by folding lines 4 and 5, and the front side plate flap 9, the back plate flap 10, and the back side plate are formed by folding lines 6, 7 and 8 at both ends of the face plates 1, 2 and 3. An assembled bowl-shaped rectangular parallelepiped or cube made of a die-cutting sheet having flaps 11 connected to both side plates, and the length of the front and back side plates 1 and 3 extending from the opening 12 to the back plate 2 is defined as a tape cassette. By making it shorter than A, the stored tape cassette A is stored in an exposed state slightly protruding from the opening 12, and the rounded corners of the tape cassette A can be used as they are, and the tearing phenomenon of the packaging film can be easily prevented.
In addition, the opening of the storage case is positioned on the inner side of the outer shape R of the tape cassette so that both ends of the opening are useful for preventing the packaging film, and the flaps 9, 10, and 11 are bent to form both side plates. When the die-cutting intersection 15 formed by the back side plate 3, the back plate 2 and the flaps 10 and 11, that is, the intersection of the V-shaped grooves is formed deeper than the folding curves 7 and 8 for folding the flaps 10 and 11, each face plate The corner portion after bending is removed, and the packaging film is less likely to be broken.
Similarly, a flap end located in the front side plate 1 is parallel to the folding line 4 of the front side plate 1 and the back plate 2 at a die cutting intersection 16 formed by the front side plate 1, the back plate 2 and the flaps 9, 10. by providing the upper edge 9 ₁ acts to portion to be the corner after folding each flap 9, 10 and 11 is removed, the corners of the flap and the back plate by stepwise contact It becomes the same shape as the content with roundness, and it becomes possible to handle the packaging film with easy prevention of breakage.
[0007]
【Example】
The embodiment of the present invention will be described with reference to an example of an assembled bowl-shaped storage case shown in FIGS. 1 to 3. Front side plate 1, back plate 2, front side plate 3, front side plate flap 9, rear plate flap 10 serving as both side plates A rectangular parallelepiped or cubic storage case that includes a face plate flap 11 and has an opening 12 for inserting a cassette facing the back plate 1, and includes the front and back side plates 1, 3 extending from the opening 12 to the back plate 2. The length is made shorter than the tape cassette A of the stored article to provide a cassette or cartridge storage case.
[0008]
The opening 12 of the storage case has both end edges positioned inward from the outer shape R of the tape cassette A that is a storage article, and the sharpness of the corner of the storage case is reduced, and the packaging film is torn. Is resolved. In this case, it is preferable to form the inclined edge 13 on the opening 12 side so as to form the front and back side plates 1 and 3 along the roundness of the tape cassette A.
[0009]
A storage case having a cassette insertion opening 12 facing the back plate 2 has a front side plate 1, a back plate 2, and a back side plate 3, which are partitioned by folding lines 4 and 5, and each side plate 1, It is an assembled bowl-shaped rectangular parallelepiped or cube made of a die-cutting sheet that is formed by connecting a front side plate flap 9, a back side plate flap 10, and a back side plate flap 11 at both ends of 2 and 3 with folding lines 6, 7, 8. The die-cutting intersection 15 between the back plate 2 and the back side plate 3 and the flaps 10 and 11 connected to the respective side plates 2 and 3 is located on the folding curve 5 between the back plate 2 and the back side plate 3. The back side plate flap 11 and the back plate flap 10 that are bent and polymerized sequentially from the inside of each flap 9, 10, 11 are bent, and the back side plate 3 and the back plate 2 are further bent. Bend at the folding line 5 Thus, a shape along the shape of the front side plate flap 9 is formed, and the portion that was a V-shaped groove in the unfolded state forms a gap that touches the side surface. One corner after bending each face plate because it is formed inwardly on the folding line 5 and formed at a position (a deep position separated from the folding curves 7 and 8 with the flaps 10 and 11 by the x dimension). The part which becomes the part is removed to become the hole part 17, which contributes to preventing damage to the packaging film.
[0010]
Furthermore, as the storage case, the front side plate 1 and the rear plate 2 are formed by a die-cutting intersection 16 between the front side plate 1 and the rear plate 2 and the front side plate flap 9 and the rear plate flap 10 connected to the respective side plates 1 and 2. open the folding line 4 and y dimensions interval between 2 by providing on the flap edge 9 ₁ positioned parallel front surface plate 1, the housing case of the rear plate 2 of the holes 18 to remove the other corner portion It acts to become.
Particularly, by providing the die-cutting intersection 16 in the inner position of the front side plate 1 by z-dimension, a part of the large flap 9 is deleted and shortened, and after the film packaging, the flap 9 and the back plate 2 The contact angle in a stepwise manner results in the same shape as that of the rounded tape cassette A and prevents the packaging film from being torn.
[0011]
In order to make this storage case into an assembly box with a sheet, use a punching die with a punching blade, index the blank development dimension from the shape of the contents, taking into account the bending allowance and the state of fitting, and the opening A punching blade is arranged on the side surface so that the contents protrude from the case. A punching blade is disposed on the flap surface so as to be shorter than the front side plate 1 and the back side plate 3. The cutting edge is arranged so that the step between the front side plate 1 or the back side plate 3 and the flap portion does not protrude from the contents near the line of the front side plate 1. And about the V-shaped groove between the back side surface board flap 11 and the back surface board flap 10, it arrange | positions so that a V-shaped intersection may become the inner side of the blank from the center of a bending-like bracing line. At this time, if the die-cutting intersection 15, that is, the V-shaped groove intersection is too close to the inside, it becomes a large hole when assembled as a storage case, and the quality deteriorates.
In addition, the V-groove intersection is normally arranged by bending the punching blade. In this case, when the blades facing the intersection are placed in contact with each other, the shape of the corner is most beautiful. Further, the punching blades that form the grooves of the die-cutting intersection 16 between the back side plate flap 11 and the front side plate flap 9 are also abutted and arranged in the same manner. By using the punching die completed in this way, and then printing appropriately about 500 μm paper or plastic sheet such as polypropylene, vinyl chloride, polyethylene, polyester, etc., and punching and pushing the sheet according to the sheet shape A blank is completed. Thus, the blank is bent at a right angle to form a blank. The iron making is carried out with dedicated iron making equipment. Joining of the flaps at the time of iron making is divided by the equipment for iron making, but generally glue bonding is performed, and in the case of plastic, ultrasonic bonding and heat fusion are also performed.
[0012]
In addition, although the assembly case-shaped sleeve case is shown in the embodiment, it can be applied to a storage case formed in a rectangular parallelepiped or a cube by injection molding, blow molding, vacuum forming, etc., but the four corners on the back plate side are rounded corners. It is considered to form the part or hole.
[0013]
【The invention's effect】
The present invention relates to a storage case comprising a front side plate, a back plate, a back side plate, and both side plates and having an opening for inserting a cassette facing the back plate, and the front and back side plates extending from the opening edge to the back plate. The length of the opening is shorter than that of the storage article, and the opening is positioned at the both end edges inside the outer shape R of the storage article. The shape of the corners that are held (products manufactured by injection molding are usually rounded to take into account the ability to be removed from the mold, touchability, mechanical suitability, etc.) and can be used to prevent tearing of the packaging film Since the opening of the storage case is shorter than the round shape of the contents, the angle of contact with the film after film packaging can be greatly changed. Is alleviated pointed corners of no storage case, the impact on the distribution stage after the film packaging, tear phenomenon of film packaging by the vibration is eliminated.
The back plate, back side plate, back plate flap, back side plate flap, and the die-cutting intersection where the back side plate flap intersects is located on the folding line between the back plate and the back side plate. The flap is bent and further bent by a line of reinforcement between the back side plate and the back plate to form a shape along the front side plate flap shape. When the fulcrum of the V-shaped groove in the blank is formed deeper than the line for folding the flap, it acts so that the corners after bending each surface are removed, and the back plate, front plate and back plate By providing a die-cutting intersection in the front side plate where the flap and the front side plate flap meet, a part of the front side plate flap is deleted and shortened. In addition to the rounded contents, the corners of the box are shaped like the rounded contents and are used safely without tearing the packaging film, and the touch feels soft as a storage case. It is easy to increase the commercial value as a storage case without damaging the finger.
[Brief description of the drawings]
FIG. 1 shows an embodiment of the present invention, in which (a) is a side view thereof, (b) is a plan view, and (c) is a developed plan view.
2 is an enlarged view of a part of FIG. 1, in which (a) is a plan view thereof, and (b) is a side view showing one corner portion in an assembled state. FIG.
FIG. 3 is a perspective view of the example of FIG. 1 in use.
4A and 4B show a conventional assembled basket-type storage case, in which FIG. 4A is a perspective view and FIG. 4B is a developed plan view.
[Explanation of symbols]
A Tape cassette 1 Front side plate 2 Back side plate 3 Back side plate 4, 5, 6, 7, 8 Folding curves 9, 10, 11 Flap 12 Opening portion 13 Inclined edge 14 Notch for insertion 15 and 16 Intersection points 17 and 18 Hole

Claims (1)

A storage case that has an opening for inserting a cassette facing the back plate, the front side plate, the back plate and the back side plate are sectioned in a folding line, and flaps are connected in series at both ends of each face plate. It is an assembly saddle made of a die-cutting sheet that is a front side plate flap, a back plate flap, and a back side plate flap, and the length of the front and back side plates from the opening edge to the back plate is shorter than the stored article, and The opening edge is positioned on the inner side of the outer shape R of the stored article, and a die-cutting intersection between the back plate and a flap connected to each face plate of the back side plate is the back plate and the back side plate. The folding curve between the back plate and the front side plate is a die cutting intersection point between the back plate and the front side plate and the flaps connected to the respective face plates. Parallel to and located in the front side plate Cassette or cartridge storage case is characterized in that the on lap edge.

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