JPH082578A - Case for cassette tape - Google Patents

Abstract

(57) [Summary] [Purpose] A cassette tape that is more advantageous for environmental protection, has a solid box shape, prevents dust from entering, is easy to assemble, and is durable enough for reuse. DISCLOSURE OF CASE [Construction] The whole is formed of paperboard, and the side walls 3a, 4a, 5a having heights corresponding to the thickness of the cassette tape are formed on four sides of the bottom surface 2
, The flaps 4 and 4 are provided on the short side wall portions 4a, 4a, the lid portion 3 is provided on the long side wall portion 3a, the locking lid portion 5b is provided on the long side wall portion 5a, and the locking lid portion 5b is provided. The standing piece portion 6 is provided on the upper portion, a pair of hub stoppers 8 are formed on the standing piece portion 6, and the lid portion 3 is provided with an adhesive portion 3c that is cutably attached to the locking lid portion 5b. A case for a cassette tape.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper cassette tape case which is effective for environmental protection without using plastics.

[0002]

2. Description of the Related Art Conventionally, a cassette tape case disclosed in Japanese Utility Model Publication No. 4-3944 is known as a cassette tape case.

The cassette tape case of this conventional example is made of paper or a plastic sheet and is not intended to protect the environment, but a top plate and a back plate of the same shape are provided on the front and back surfaces of the cassette tape, respectively. The cassette cover is formed into a book cover shape by connecting the side plates with a narrow width corresponding to the thickness of the cassette tape. The drawing of the cassette tape of Japanese Utility Model Publication No. 4-3944 is a so-called cassette tape only for listening to music, the thickness of the cassette tape is stepped, and the thickness of the trapezoidal tape running portion against which the magnetic head hits is It is shown to be thicker than the wall thickness of the tape take-up that holds the reel.

The top plate and the back plate each have a double-layer structure in which they are double-layered, and the wall thickness difference between the tape running part and the tape winding part of the cassette tape is eliminated on the top plate and the back plate. There is a trapezoidal recess for holding the cassette tape without any gap. Further, a hub stopper to be inserted into the hub hole of the reel of the cassette tape is provided on the upper surface plate in a protruding manner.

[0005]

However, in such a conventional cassette tape case, since only the side plate is applied to the tape running portion side of the cassette tape, the entire shape of the cassette tape case is distorted. It is easy to maintain the shape, and the hub stopper may slip out of the hub hole of the cassette tape due to the distortion of the cassette tape case. In addition, there is a problem that pride easily enters the inside of the cassette tape, and in order to absorb the step between the tape running portion and the tape winding portion of the cassette tape, the upper plate and the lower plate are doubled respectively. Since it is formed, there is a problem that the amount of paper or plastic used is large and it is disadvantageous for environmental protection.

[0006]

SUMMARY OF THE INVENTION The cassette tape case according to the present invention has been made in view of the above problems.
The purpose of the present invention is to provide a cassette tape case that is more advantageous for environmental protection, has a solid box shape, prevents dust from entering, is easy to assemble, and has sufficient durability for reuse. To do.

[0007]

In order to solve the above-mentioned problems, a cassette tape case according to claim 1 of the present invention is formed entirely of paperboard, and has four sides of a bottom portion having the same shape as a rectangular cassette tape. A side wall portion having a height corresponding to the thickness of the cassette tape is provided, and a pair of short side wall portions of the four side wall portions are provided with flaps that can be bent parallel to the bottom surface portion. One of the pair of long side wall portions is provided with a lid having the same shape as the bottom surface portion, and the other of the pair of long side wall portions is bent parallel to the bottom surface portion to hold a part of the cassette tape. Is provided with a locking lid portion, and the locking lid portion is provided with a rising piece portion that can stand upright from the locking lid portion. The rising piece portion has a hub hole of the reel of the cassette tape mounted on the bottom surface portion. Form a pair of hub stops protruding toward the virtual position, The cassette tape is inserted between the locking lid portion and the bottom surface portion of the recording lid portion, and the pair of hub stoppers are inserted into the hub holes of the cassette tape, and then cut into the locking lid portion. It is characterized in that an adhesive portion for adhering as much as possible is provided.

A cassette tape case according to a second aspect of the present invention is the cassette tape case according to the first aspect, wherein the upright strip portion is erected so that a portion between the pair of left and right flaps is separated by a notch. Characterized by being bent.

A cassette tape case according to a third aspect of the present invention is the cassette tape case according to the first aspect, wherein the standing piece is bent so as to be able to stand up by a folding line extending in the entire length direction of the cassette tape. It is characterized by

[0010]

According to the cassette tape case of the first aspect of the present invention, since the whole is made of paper, no plastic waste is generated and it is very suitable for environmental protection. or,
Raise the four side walls of the bottom surface, place the cassette tape on the bottom surface, fold the flap and the locking lid on the top surface of the cassette tape, insert the hub stopper of the upright piece into the hub hole of the cassette tape, Since the rectangular parallelepiped is formed by adhering the adhesive portion of the lid portion to the locking lid portion, the shape of the box is solid, the hub stopper is not likely to come off from the hub hole of the cassette tape, and the cassette tape is sealed. Therefore, it is possible to prevent the entry of dust and the like, and because it is made of paper, there is no danger of producing plastic waste, which is more advantageous for environmental protection, is easy to assemble, and is durable enough for reuse. Have.

According to the cassette tape case of the second aspect of the present invention, in addition to the action of the first aspect, the standing piece is erected only between the flaps. Therefore, it is durable in reuse.

According to the cassette tape case of the third aspect of the present invention, in addition to the action of the first aspect, since the standing piece portion is bent by the length that extends over the entire length of the cassette tape, the flap can be easily opened and the cassette can be easily opened. There is an advantage that the tape can be taken out easily.

[0013]

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.

FIGS. 1 and 2 show a cassette tape case according to a first embodiment of the present invention. This cassette tape case 1 has four sides of a bottom portion 2 having a size corresponding to the outer peripheral shape of the cassette tape. Has a height corresponding to the thickness of the cassette tape, and can be bent at a right angle to the bottom surface 2
a, 4a, 5a.

The lid 3 is foldably connected to the side wall 3a. A cutout portion 3b and an adhesive portion 3c are provided on the free end side of the lid portion 3 so as to be divided by cutout lines 3e and 3e, and the cutout portion 3b and the cutoff line 3e on the side wall portion 3a side are provided.
The insertion part 3d is formed in the.

On the side of the free end of the side wall 4a that can be bent from the bottom surface 2, a flap 4b is connected so that it can be bent. A locking lid 5b is foldably connected to the side wall 5a located on the opposite side of the lid 3, and the locking lid 5b
The standing piece 6 is connected to the free end side of b. Notches 5c, 5c are formed on both sides of the standing piece 6,
The standing piece 6 can be bent from the locking lid 5b. The standing piece portion 6 is provided with a hub stopper base portion 7 via a bending line 9, and a pair of hub stoppers 8 is formed on both sides of the hub stopper base portion 7. The bending line 9 at the boundary between the standing piece 6 and the hub stopper base 7 has an insertion portion 3d.
A slit 9a having a length corresponding to the width of is formed.

The cassette tape case 1 according to the first embodiment is formed in the developed shape shown in FIG. 2, and the side walls 3a, 4a, 5a on the four sides of the bottom portion 2 are bent at right angles to the bottom portion 2, Further, the flaps 4b, 4b are bent parallel to the bottom surface portion 2, and the standing piece portion 6 is temporarily raised to bend the hub stoppers 8, 8 of the hub stopper base portion 7 toward the bottom surface portion 2 side, and the locking lid portion. When the left and right side edges of 5b are adhered to the left and right flaps 4b, 4b, a flat box shape is formed. In this state, the cassette tape is inserted into the inside, the hub stoppers 8 and 8 are bent toward the bottom surface 2 side, and the hub stoppers 8 and 8 are attached to the hub holes as the shaft holes provided in the reel around which the tape of the cassette tape is wound. Plug in. Insert the hub stoppers 8 and 8 into the hub holes of the cassette tape, and then fold the lid 3 and bond the adhesive 3
When c is adhered to the edge of the locking lid 5b on the side wall 5a side,
The cassette tape is sealed and stored in the cassette tape case 1.

When the cassette tape is taken out from the cassette tape case 1, the cut portion 3b is cut along the cut line 3e so that the lid portion 3 and the adhesive portion 3c are separated from each other so that the cassette tape can be taken out and the upright strips can be taken out. Part 6
By raising, the hub stoppers 8 and 8 can be removed from the hub holes of the cassette tape and the cassette tape can be taken out.
When the used cassette tape is stored again in the cassette tape case 1, the cassette tape is stored in the cassette tape case 1, the pawls 8 and 8 are inserted into the hub hole, and the insertion portion 3d of the lid 3 is slit. When inserted in 9a, the cassette tape can be stored without rotating the reel of the cassette tape.

According to this cassette tape case 1,
The four side wall parts 3a, 4a, 5a of the bottom part 2 are erected,
Place the cassette tape on the bottom surface portion 2, fold the flap 4 and the locking lid portion 5b on the upper surface of the cassette tape, insert the hub stoppers 8, 8 of the upright piece portion 6 into the hub holes of the cassette tape, and When the adhesive portion 3c is adhered to the locking lid portion 5b,
Since the rectangular parallelepiped is formed, the shape of the box is solid, there is no risk of the hub stopper coming off from the hub hole of the cassette tape, and the cassette tape is sealed, so it is possible to prevent the entry of dust etc. Since it is made, there is no danger of plastic waste, it is more advantageous for environmental protection, easy to assemble, and durable enough for reuse. In addition, the standing piece 6 has flaps 4,
Since it stands up only during 4, the shape of the box is hard to collapse and it is relatively firm, so it is durable in reuse.

FIGS. 3 and 4 show a cassette tape case according to the second embodiment of the present invention. Side walls 12 are provided on four sides of the bottom surface 11 of the cassette tape case 10.
a, 13a, 15a are provided. An adhesive portion 12c is connected to the lid portion 12 via a cutout portion 12b,
The insertion portion 12d is partitioned by the cutoff line 12e. The flap 15b of the short side wall portion 15a of the bottom surface portion 11 is bent in parallel to the bottom surface portion 11, and the long side wall portion 1
A locking lid portion 13b is bent on 3a so as to be positioned on the flap 15b. The locking lid 13b is provided with a standing piece 13c having a bending line 13d extending over the entire length of the cassette tape, and the locking lid 13b is provided with a hub stopper base 14. Hub stoppers 14a are provided on both sides of the base portion 14, and the hub stoppers 14a are provided on the bottom surface portion 11a.
The reel hole of the upper cassette tape projects toward an imaginary position where the hub hole exists. The base portion 14 is formed with a curved slit 14b having the same length as the insertion portion 12d of the lid portion 12, and the slit 14 has a small slit 14c.
Is formed, and the insertion portion 12d is inserted into the slit 14b.
Is to be inserted.

In the cassette tape case 10 of the second embodiment, the flap 15b is bent in parallel with the bottom surface portion 11 from the unfolded state of FIG. 4, and the locking lid portion 13b is adhered onto the flap 15b. When the portion 13c is erected and the hub stoppers 14d and 14d are bent toward the bottom surface portion 11, a box shape capable of accommodating the cassette tape is formed. In this state, attach the cassette tape to the bottom surface portion 11 and the locking lid portion 13b.
And the flaps 4 and 4, and the standing piece 13b is bent toward the cassette tape.
a and 14a are inserted into the hub holes of the cassette tape.
When the adhesive portion 12d of the lid portion 12 is adhered to the locking lid portion 13b in this state, the cassette tape is sealed. When taking out the stored cassette tape, cut lines 12e, 1
When the cutout portion 12b is cut off along the line 2e, the lid portion 12 opens, so that the cassette tape can be taken out. At this time, since the standing piece 12c is wide open in the entire length direction of the cassette tape, the degree of deformation of the flaps 4 and 4 is more free than in the first embodiment, and the degree of freedom of the cassette tape take-out angle is increased.

[0022]

According to the cassette tape case of the first aspect of the present invention, the four side wall portions of the bottom surface are erected, the cassette tape is placed on the bottom surface, and the flap and the locking lid are provided on the cassette tape. Bend it to the upper surface of the stand, insert the hub stopper of the standing piece into the hub hole of the cassette tape, and glue the adhesive part of the lid part to the locking lid part to form a rectangular parallelepiped, so the shape of the box is solid, There is no danger that the hub stopper will come out of the hub hole of the cassette tape, and the cassette tape will be sealed to prevent the entry of dust, etc. Also, since it is made of paper, there is no risk of plastic waste, It is more advantageous for environmental protection, easy to assemble, and durable enough for reuse.

According to the cassette tape case of the second aspect of the present invention, in addition to the function of the first aspect, the standing piece is erected only between the flaps. Therefore, it is durable in reuse.

According to the cassette tape case of the third aspect of the present invention, in addition to the action of the first aspect, since the upright piece portion is bent by the length extending over the entire length of the cassette tape, the flap can be easily opened. There is an advantage that the tape can be taken out easily.

[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 development view of the cassette tape case of the first embodiment.

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

FIG. 4 is a development view of the cassette tape case of the first embodiment.

[Explanation of symbols]

 1 Case for cassette tape 2 Bottom part 3 Lid part 3a Side wall part 3b Cutout part 3c Adhesive part 3d Insert part 3e Cut line 4a Side wall part 4b Flap 5a Side wall part 5b Locking lid part 5c Cut part 6 Standing piece part 7 Hub stop base part 8 Hub stopper 9 Bend line 9a Slit 10 Cassette tape case 11 Bottom part 12 Lid part 12a Side wall part 12b Cutout part 12c Adhesive part 12d Insert part 12e Cutoff line 15a Side wall part 15b Flap 13a Side wall part 13b Locking lid part 13c Standing part 13d Bending line 14 Hub stopper base 14a Hub stopper 14b Slit 14c Small 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 (3)

[Claims] 1. A whole is formed of paperboard, and side walls having a height corresponding to the thickness of the cassette tape are provided on four sides of a bottom surface of the same shape as a rectangular cassette tape. Each of the short side wall portions is provided with a flap that can be bent in parallel with the bottom surface portion, and one of a pair of long side wall portions of the four side wall portions is provided with a lid portion having the same shape as the bottom surface portion. A locking lid portion for holding a part of the cassette tape by bending in parallel with the bottom surface portion is provided on the other side of the long side wall portion, and a standing piece portion capable of standing up from the locking lid portion is provided on the locking lid portion. And a pair of hub stoppers projecting toward the virtual position of the hub hole of the reel of the cassette tape mounted on the bottom surface portion are formed on the upright piece portion, and the cassette tape is attached to the lid portion. It is inserted between the locking lid and the bottom, and the pair of hub stops Wherein after inserting the hub holes of the cassette tape, a cassette tape case, characterized in that a bonding portion for bonding to be cut into the engagement Tomefuta unit. 2. The cassette tape case according to claim 1, wherein the upright piece portion is formed by bending a portion between the pair of left and right flaps by a notch so as to be upright. Case. 3. The cassette tape case according to claim 1, wherein the upright piece portion is bent so as to be upright by a bending line extending in the entire length direction of the cassette tape.