JPH082582A - Cassette tape case - Google Patents

Abstract

PURPOSE:To obtain a foldable cassette tape case which may not be bulky when a plurality of them are stacked. CONSTITUTION:An entire body of a cassette tape case is formed of paper, wherein cylindrical side walls 3, 3 are made to stand at both lengthwise ends of a bottom wall 2, an inner lid 5 is formed via a side wall 4 at one of widthwise ends of the bottom wall 2, an outer lid 6 which can be folded from above the inner lid 5 via the side wall 4 is formed at the other widthwise end of the bottom wall 2, slits 9, 9 are formed at opened positions of hub holes of a cassette tape of the inner lid 5, and hub stops 8, 8 to be fitted into the hub holes of the cassette tape via the slits 9, 9 are made to protrude on the outer lid 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette tape case which is effective in protecting the environment without using plastic for housing the cassette tape and which is simple in structure and assembly.

[0002]

2. Description of the Related Art Conventionally, a cassette case disclosed in Japanese Utility Model Laid-Open No. 4-106273 is known as a cassette tape case.

This cassette case is a cassette case for accommodating a cassette tape, and is provided with a box body made of paper or a resin film and having an index card formed on its back surface. A pair of lids is provided in the same opening as the cassette tape of the box body, one of the pair of lids has a tongue piece, and the other has a slit. The pair of lids closes the opening of the box body by inserting the tongue piece into the slit. On the bottom wall of the box body, a pair of cross-shaped engagement projections are formed to be inserted into the hub holes of the reels of the cassette tape.

[0004]

However, although such a cassette tape case is formed at low cost,
Since the engaging projections protrude from the bottom wall, the entire case for the cassette tape cannot be formed by mechanical attachment, and there is the problem that it cannot be folded flat completely. When the case is mass-produced and delivered, it becomes bulky, which is disadvantageous for transportation and storage.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems of the conventional cassette tape case, and it is easy to assemble, is effective for environmental protection, and accommodates a large number of cassette tapes. It is another object of the present invention to provide a cassette tape case that is not bulky when carrying and storing the cassette tape case.

[0006]

In order to solve the above problems, a cassette tape case according to the present invention is entirely formed of paper and has a rectangular bottom wall portion having substantially the same shape as the plane shape of the cassette tape. Then, at both ends of the bottom wall portion in the lengthwise direction, cylindrical side wall portions having a height equivalent to the thickness of the cassette tape and having a foldable cross section are erected so as to face each other. On one of the widthwise ends of the bottom wall,
An outer lid portion that is foldable so as to come into contact with the cylindrical side wall portion, and is foldable so as to come into contact with the inner lid portion at the other widthwise end of the bottom wall portion. A slit-shaped opening is formed in the inner lid at the opening position of the hub hole of the cassette tape, and the outer lid is fitted into the hub hole of the cassette tape through the slit-shaped opening. It is characterized by having a hub stopper that protrudes.

[0007]

According to the cassette tape case of the present invention, the cylindrical side wall portion can be pressed from above and folded to be developed flat, and the hub stopper does not project when it is flatly expanded, so that it is expanded. Cases for cassette tapes can be stacked. Further, since the tubular side wall portion can be formed by bending a paper into a rectangle, it can be attached to a machine.

When the cassette tape is stored, a cylindrical side wall is erected from the bottom wall, the cassette tape is stored between the pair of cylindrical side walls and the side wall, and the inner lid is closed. When the outer lid is closed, the hub stopper of the outer lid is fitted into the hub hole of the cassette tape through the slit-shaped opening, so that the reel of the tape is prevented from rotating and the outer lid and the inner portion are prevented from rotating. The lid is integrated and the box shape is maintained.

Also, the top of the cylindrical side wall is pressed by the inner lid,
Furthermore, the inner lid is pressed by the outer lid, and the hub stopper is inserted. The inside of the tubular side wall is in contact with the cassette tape. Therefore, the foldable tubular side wall does not fall over to the inside or outside of the box. It is possible to maintain a solid box shape without any problem.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cassette tape case according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a cassette tape case according to the first embodiment of the present invention. This cassette tape case 1 is provided with a bottom wall portion 2 having the same planar shape as that of the cassette tape, and the bottom wall portion 2 for mounting the cassette tape has a rectangular shape at the end portion in the length direction. The cylindrical side wall portions 3 and 3 having the cylindrical cross section are formed. The tubular side wall portions 3 and 3 are formed into a tubular shape so that they can be folded, and the tongue pieces 3 a and 3 a are bonded to the bottom wall portion 2. The holes 3b, 3b opened in the wall surfaces of the cylindrical side wall parts 3, 3 are for facilitating folding of the cylindrical side wall parts 3, 3. A tongue portion 3c for preventing the tubular side wall portions 3 and 3 from falling is provided at the end of the tubular side wall portion 3, and the tubular side wall portions 3 and 3 are provided on the inner lid portion 5 and the outer lid portion 6, respectively. It prevents the cylindrical side walls 3 and 3 from falling down inside the box when placed on the top.

An inner lid portion 5 is formed at one end of the bottom wall portion 2 in the width direction via a side wall portion 4 having a height corresponding to the thickness of the cassette tape. Further, an outer lid portion 6 is formed on the other end portion of the bottom wall portion 2 in the width direction via a side wall portion 4. The inner lid 5 is provided with slits 9 and 9 at the hub holes of the tape reel of the cassette tape mounted on the bottom wall 2. The slits 9 and 9 are hub stoppers 8, which will be described later.
When the inner lid 5 is bent over the cassette tape, the slits 9 and 9 are located in the hub hole.
A plastic hub stop plate 7 that is fitted into the hub hole of the reel of the cassette tape is fixed to the outer lid portion 6 through the slits 9 of the inner lid portions 8 and 8. Here, the hub stop plate 7 is made of an elastic and flexible plastic such as PVC or PP.
Tongue-shaped hub stoppers 8 and 8 are provided on both ends of the hub stopper plate 7.
Is protruding.

According to this cassette tape case 1,
The cylindrical side walls 3 and 3 of the bottom wall 2 are raised to accommodate the cassette tape, and the side walls 4 and 4 are raised to first fold the inner lid 5 onto the cassette tape, and then the outer lid. When 6 is folded on the inner lid portion 5, the hub stoppers 8 and 8 of the hub stopper plate 7 engage with the slits 9 and 9, and the hub stoppers 8 and 8 engage with the hub hole of the tape reel of the cassette tape. Therefore, the outer lid portion 6 is easily opened from the inner lid portion 5, and the inner lid portion 5 and the outer lid portion 6 are double-pressed from above the tubular side wall portions 3 and 3, so that the tubular shape is The side walls 3 and 3 are not deformed, and the shape of the box can be sufficiently maintained. Moreover, since it is difficult to open the inner lid 5 and the outer lid 6 carelessly,
The hermeticity of the cassette tape case 1 is also improved.

FIG. 2 is a perspective view of a cassette tape case according to the second embodiment of the present invention.

This cassette tape case 10 is entirely made of paper, and has a slightly thin tubular side wall 12 at the end of the bottom wall 11 having the same planar shape as the cassette tape in the lengthwise direction. , 12 are formed. The tubular side wall portions 12 and 12 have a rectangular cross section so that they can be collapsed by a load from above. An inner lid portion 14 and an outer lid portion 15 extend at both ends in the width direction of the bottom wall portion 11 via side wall portions 13, 13. The inner lid portion 14 is provided with slits 18, 18 corresponding to the positions of the hub holes of the cassette tape. The outer lid portion 15 has an inner wall portion and an outer wall portion that are doubled, and a pair of hub stoppers 17 are formed on the inner wall portion 15a at a position where the aforementioned hub hole of the cassette tape is located. This hub stop 17, 17 has a hub stop opening 16,
The tongue piece separated from 16 is double-folded and has a height to be inserted into the hub hole through the slits 18, 18. The hub stop opening 16 is closed by the outer wall 15b.

The other operations of the cassette tape case 10 are similar to those of the cassette tape case 1, and therefore the description thereof will be incorporated.

FIG. 3 is a perspective view of a cassette tape case of the third embodiment of the present invention. In this embodiment, the cylindrical side wall portion 12 of the cassette tape case 10 according to the second embodiment described above is shown. Is formed with a tubular side wall portion 19 having a triangular cross-sectional shape as compared with a rectangular tubular cross-section. The tubular side wall portion 19 has a triangular cross-sectional shape, and the tongue piece portion 19a is fixed to the bottom wall portion 11, so that it is difficult to fold but can hold the cassette tape sufficiently. The description of the cassette tape case 10 shown in FIG.

FIG. 4 is a perspective view of a cassette tape case according to the fourth embodiment of the present invention.

The cassette tape case 20 has a bottom wall portion 21 having the same shape and size as the plane shape of the cassette tape. The bottom wall portion 21 has a rectangular thin tubular shape at both ends in the lengthwise direction. Side wall portions 22 and 22 are provided upright. An inner lid portion 24 is formed on one side of the bottom wall portion 21 in the width direction via the side wall portion 23, and an outer lid portion is formed on the other end portion of the bottom wall portion 21 via the side wall portion 23. 25 are formed. Outer lid 2
A hub stopper 26 is projectingly provided at 5. This hub stop 2
6, the outer lid portion 25 is double formed with an inner wall portion and an outer wall portion,
A slit is opened in the inner wall, a U-shaped hub stop opening is formed in the outer wall, and the tongue piece of the hub stop opening is double-folded to protrude inside the case through the slit. Is formed by. The inner lid portion 24 is provided with a slit 27 for locking the hub stopper 26 through the hub hole of the reel of the cassette tape.

The operation of housing the cassette tape in the cassette tape case 20 is similar to that of the cassette tape case 1 of FIG. 1, and therefore the description thereof will be incorporated.

FIG. 5 is a perspective view of a cassette tape case according to the fifth embodiment of the present invention.

This cassette tape case 30 has a rectangular side wall with a rectangular cross section at the end of the bottom wall portion 31 of the same shape as the plane shape of the cassette tape in the lengthwise direction, like the cassette tape cases 1, 10 and 20 described above. The parts 32 and 32 are erected. An inner lid portion 34 extends through one of the widthwise ends of the bottom wall portion 31 via a side wall portion 33, and the other end of the bottom wall portion 31 in the width direction extends through the sidewall portion 33 to the outside. The lid portion 35 extends. A hub stop opening 36 is formed in the outer lid portion 35, and a tongue portion of the hub stop opening 36 is double-folded to form a hub stop 37. For the hub stopper 37, the slit 3 of the inner lid 35 is inserted through the cassette tape hub hole.
An engagement protrusion 38 that engages with the protrusion 9 is provided. The outer lid portion 35 may be doubled so that the hub stop opening portion 36 is closed from the outside of the box to supplement the strength of the outer lid portion 35.

The other operations are similar to those of the cassette tape case 1 shown in FIG. 1, and therefore the description thereof will be incorporated.

[0024]

According to the cassette tape case of the present invention, since the cylindrical side wall can be pressed from above and folded to be flatly expanded, the hub stopper does not project when flatly expanded. Stacked cassette tape cases can be stacked. Further, since the tubular side wall portion can be formed by bending a paper into a rectangle, it can be attached to a machine.

When the cassette tape is stored, the cylindrical side wall is erected from the bottom wall, the cassette tape is stored between the pair of cylindrical side walls and the side wall, and the inner lid is closed. When the outer lid is closed, the hub stopper of the outer lid is fitted into the hub hole of the cassette tape through the slit-shaped opening.

As a result, the tape reel is prevented from rotating, and the outer lid portion and the inner lid portion are integrated to prevent the outer lid portion and the inner lid portion from opening, and the box shape is maintained. To be done. In addition, since it is made entirely of paper, it does not produce plastic waste and is effective for environmental protection.

Also, the top of the cylindrical side wall is pressed by the inner lid,
Furthermore, the inner lid is pressed by the outer lid, and the hub stopper is inserted. The inside of the tubular side wall is in contact with the cassette tape. Therefore, the foldable tubular side wall does not fall over to the inside or outside of the box. It is possible to maintain a solid box shape without any problem.

[Brief description of drawings]

FIG. 1 is a perspective view of a cassette tape case according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a cassette tape case according to a second embodiment of the present invention.

FIG. 3 is a perspective view of a cassette tape case according to a third embodiment of the present invention.

FIG. 4 is a perspective view of a cassette tape case according to a fourth embodiment of the present invention.

FIG. 5 is a perspective view of a cassette tape case according to a fifth embodiment of the present invention.

[Explanation of symbols]

 1 Case for Cassette Tape 2 Bottom Wall 3 Cylindrical Side Wall 4 Side Wall 5 Inner Lid 6 Outer Lid 7 Hub Stop Plate 8 Hub Stop 9 Slit 10 Cassette Tape Case 11 Bottom Wall 12 Cylindrical Side Wall 13 Side Wall Part 14 Inner cover part 15 Outer cover part 16 Hub stop opening 17 Hub stop 18 Slit 19 Cylindrical side wall part 20 Cassette tape case 21 Bottom wall part 22 Cylindrical side wall part 23 Side wall part 24 Inner cover part 25 Outer cover part 26 Hub stopper 27 Slit 30 Cassette tape case 31 Bottom wall portion 32 Cylindrical side wall portion 33 Side wall portion 34 Inner lid portion 35 Outer lid portion 36 Hub stopper opening portion 37 Hub stopper 38 Engagement protrusion 39 Slit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Nakatsuka Hitoshi 1-5, Taito, Taito-ku, Tokyo Toppan Printing Co., Ltd. (72) Inventor Makoto Igarashi 1-5-1, Taito, Taito-ku, Tokyo Toppan Printing Co., Ltd.

Claims (1)

[Claims] 1. A whole is formed of paper and has a rectangular bottom wall portion having substantially the same shape as the plane shape of the cassette tape, and both end portions of the bottom wall portion in the entire length direction have a thickness corresponding to that of the cassette tape. Cylindrical side wall parts having a height and a foldable cross section are erected so as to face each other, and one end of the bottom wall part in the width direction is placed on the cylindrical side wall part. A foldable inner lid portion is formed so as to be in contact with each other, and a foldable outer lid portion is formed on the other end of the bottom wall portion in the width direction so as to come into contact with the inner lid portion. A slit-shaped opening is formed at the opening position of the hub hole of the cassette tape, and a hub stopper that fits into the hub hole of the cassette tape is projectingly provided on the outer lid through the slit-shaped opening. Characteristic cassette tape case.