JPH0728090U - Digital disc case - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a low-cost digital disc case that ensures sufficient protection of the digital disc against distortion. A case main body having a concave portion for accommodating a digital disc, which corresponds to the outer diameter of the digital disc, is provided, and an infinite number of small suction cups are provided at the center of the bottom surface of the concave portion, and the central portion on the recording surface side of the digital disc Of the non-recording track surface of the digital disk, and a re-peelable seal for mounting and supporting the digital disk with a gap between the recording track surface and the bottom surface of the digital disk is adhered to the outer peripheral wall of the recess. The case lid is attached to the upper end surface of the digital disc, which is placed and supported on the non-recording surface side, with a slight gap.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a case for housing and protecting an optically readable digital disc such as a CD or MD.

[0002]

[Prior art]

 As a conventional digital disc case of this type, as shown in FIG. 5, a digital disc case 1 including a box-shaped case body 2 having a flat bottom 6 and a case lid 4 for closing the upper surface of the case body 2 is provided. In order to allow the bottom 6 of the case body 2 to support the digital disc 3 only at the non-recording portion 3c in the central region where the recording track 3b is not present, an annular supporting portion 11 protruding from the bottom 6 and the supporting portion In order to engage with the inside of the central hole 3e of the digital disc 3 in the state of being mounted on 11, the elastic engagement piece 12 of a short cylinder protruding from the bottom 6 is integrally formed. It is commercially available (JP-A-58-155583).

[0003]

[Problems to be solved by the device]

 However, in this digital disc case 1, not only the elastic engagement piece 12 has a complicated structure and must be molded by plastic, and the manufacturing cost is high, and the elasticity of the engagement piece 12 is delicately adjusted. If it is too strong, it is difficult to attach and detach the digital disc, and if it is too weak, it cannot hold the digital disc.

The present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a low-cost digital disc case in which sufficient protection of the digital disc is ensured.

[0005]

[Means for Solving the Problems]

 To achieve the above object, according to the present invention, a case body having a concave portion for accommodating a digital disc corresponding to the outer diameter of the digital disc, and a small number of small suction cups adhered to the center of the concave portion are provided. A re-peelable sticker for adsorbing to a non-recording portion at the center of the recording surface side of the digital disc, and placing and supporting the digital disc with a gap between the recording track surface of the digital disc and the bottom surface of the recess; Consists of a case lid that closes the case body.

[0006]

[Action]

 According to the above configuration, when the digital disc is put into the recessed portion of the case body with the recording surface facing downward, the surface of the re-peelable seal is adsorbed to the non-recording portion in the central portion on the recording surface side of the digital disc, Further, the digital track is placed and supported on the recording track surface of the digital disc by leaving a slight gap from the bottom plate of the case body by the thickness of the re-peel seal.

In this state, when the case lid is attached to the case body, the digital disc is digital with the recording surface side having a gap from the bottom of the recessed portion except for the non-recording portion which is placed and supported by the re-peelable seal. It is surrounded and protected by the disk case and can hold the recording track surface of a digital disk in a non-contact state.

[0008]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The same symbols are used for the parts that are common to the conventional ones.

FIG. 1 is a perspective view showing an external appearance of a digital disk case of the present invention in which a digital disk such as a CD is housed. The digital disk case 1 includes a case body 2 for mounting and supporting a digital disk 3. And a case lid 4 for covering the digital disc 3 (FIG. 2).

Specifically, as shown in FIGS. 2 and 3, the case main body 2 has a concave portion 5 for accommodating the digital disc 3 for accommodating the outer diameter of the digital disc 3, and the concave portion 5 A disc-shaped peeling seal 7 for adsorbing the digital disk 3 is adhered to the center of the bottom surface 6 of the disc.

The removable seal 7 is made of an elastic foam layer made of urethane resin and has a large number of independent micropores on the surface, and thus these micropores exert an adhesive force to a smooth surface by a sucker action ( For example, the product name Kistex manufactured by Warehouse Seiko Co., Ltd.). Since this re-peelable seal 7 is adhered by the suction cup action, it has the feature that it does not leave stains on the digital disc 3 side as with conventional adhesives, and that the adhesive strength does not decrease even after repeated adhering and peeling.

The recess 5 of the case body 2 is composed of a bottom surface 6 and an outer peripheral wall 8. When the material of the case body 2 itself is a plastic molded product, as shown in FIG. The outer peripheral wall 8 is formed integrally. However, the material is not limited to plastic.

FIG. 4 shows an embodiment in which the material is cardboard. In the case of using cardboard as a material, three annular cardboards 8a, 8b, 8c are bonded with an adhesive to the outer peripheral edge of one disk-shaped cardboard bottom plate 6a and stacked in layers to form an outer peripheral wall 8. The case body 2 is formed by laminating the three layers, and the whole case is covered with a resin film.

The height of the outer peripheral wall 8 is the thickness h of the removable seal 7.₁And the thickness h of the digital disc 3 _Two Sum of (h₁+ H_Two) A slight gap h_ThreeTherefore, when the case cover 4 is attached to the case body 2, the case 4 does not interfere with the digital disc 3.

The outer diameter Φ ₁ of the re-peelable seal 7 is slightly shorter than the diameter Φ ₂ of the non-recording portion 3c at the center of the recording track surface 3b on the recording surface 3a side of the digital disc 3. Further, the thickness h ₁ of the re-peelable seal 7 is sufficient as long as a gap is maintained between the recording track surface 3b of the digital disk 3 to be mounted and supported and the bottom plate 6.

Reference numeral 3 d is a label surface (display surface of title, etc.) of the digital disc 3, and 3 e is a central hole of the digital disc 3.

The case lid 4 has a disc shape and is attached to the upper end surface of the outer peripheral wall 8 of the case body 2, and the non-recording upper surface of the digital disk 3 mounted and supported inside the case body 2 is covered. That is, the case body 2 is closed with a slight gap from the label surface 3d.

In FIG. 2, reference numeral 9 denotes an engaging portion between the case lid 4 and the case body 2, and the case lid 4 is detachable from the case body 2. However, the crown locking means can be arbitrarily selected, for example, the case lid 4 is hinged to the case main body 2 and swiveled to crown. Reference numeral 10 denotes a finger hook portion when the digital disc 3 is taken out from the case body 2.

Next, the operation of the digital disc case 1 configured as described above will be described.

In FIG. 2, when the digital disk 3 is inserted into the recess 5 of the case body 2 with the recording surface 3a of the digital disk 3 facing downward, the digital disk 3 is inserted into the recess 5 and at the same time shown in FIG. In this way, the central non-recording surface 3c is aligned with the surface of the re-peelable seal 7 in abutment with each other, and the digital disk 3 is placed and supported by the re-peelable seal 7.

Then, when the label surface 3 d of the digital disc 3 is lightly pressed with a fingertip, the re-peelable seal 7 attracts the digital disc 3 to the seal 7. Then, maintaining a horizontal posture, a constant gap h ₁ equal to the thickness of the seal 7 is secured between the recording track surface 3b and the bottom surface 6 of the digital disk 3.

Next, when the case lid 4 is attached to the upper end surface of the outer peripheral wall 8, the case lid 4 is fixed to the case main body 2 via the locking portion 9, and the case lid 4 and the label surface 3 d of the digital disc 3 are in front of each other. The digital disk 3 is housed in the digital disk case 1 in a state where a constant gap h ₃ is maintained between the digital disk case 1 and the inner surface of the case cover 4.

Even if the digital disk case 1 accommodating the digital disk 3 receives an impact due to transportation or the like, the re-peelable seal 7 adsorbs the digital disk 3, so that a constant gap h is formed between the upper and lower surfaces of the digital disk 3. ₁ and h ₃ are secured, and even if the digital disc case 1 is twisted or distorted to some extent, the digital disc 3 is protected without being affected by it.

When removing the digital disc 3 from the digital disc case 1, after opening the case lid 4, a finger is inserted into the finger hook 10 and the central hole 3e of the digital disc 3, and the digital disc 3 is removed. Is peeled off against the suction force of the re-peelable seal 7 and taken out. The re-peelable seal 7 does not lose its suction force even if the adhesive peeling is repeated, and reliably sucks the digital disc 3 any number of times.

[0025]

[Effect of device]

 As described above, in the present invention, since the digital disc has a concave portion for accommodating the outer diameter of the digital disc, the digital disc is accommodated in the concave portion, and at the same time the center of the digital disc and the position of the re-seal seal are positioned. Matches. Then, a re-peelable seal at the center of the concave portion adsorbs the non-recording portion at the center of the recording surface side of the digital disc, and a gap is provided between the recording track surface of the digital disc and the bottom surface of the concave portion. Place and support.

As described above, the present invention has an extremely simple structure, the manufacturing thereof is efficient, suitable for mass production, and the cost is low, and a certain gap can be reliably maintained when the digital disc is accommodated. It is possible to protect the recording surface of the digital disk in a non-contact state by avoiding the influence of the case twisting or the distortion on the digital disk.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a digital disc case according to the present invention.

FIG. 2 is an exploded perspective view of a digital disc case according to the present invention.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a cross-sectional view of another embodiment of the digital disc case according to the present invention.

FIG. 5 is a cross-sectional view of a conventional digital disc case.

[Explanation of symbols]

 1 Digital Disc Case 2 Case Body 3 Digital Disc 4 Case Lid 5 Recessed Part 6 Bottom 7 Removable Seal 8 Peripheral Wall 9 Engagement Part 10 Finger Hook Part

Claims (1)

[Scope of utility model registration request] 1. A recording body side of the digital disc, which has a case body having a concave portion for accommodating the digital disc, which corresponds to the outer diameter of the digital disc, and an innumerable small suction cup adhered to the center of the concave portion. A re-peelable seal that is attached to the central non-recording portion and mounts and supports the digital disk with a gap between the recording track surface of the digital disk and the bottom surface of the recess, and a case lid that closes the case body. , A digital disk case consisting of.