JP2003054676A - Recording medium storing case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent some ornamented portions such as letters or figures or the like from being peeled off from a recording medium case. SOLUTION: A recording medium storing case 1 is comprised of a recording medium storing segment 2 for use in storing a recording medium 100; a lid segment 3 for use in opening or closing two opening portions of the recording medium storing segment; and an ornamented segment 4 composed of letters and figures arranged at the surface of the recording medium storing segment 2. The recording medium storing segment 2 is constituted of an inner case 21 for use in storing the recording medium 100, and an outer case 22 for use in storing the inner case 21. The outer case 22 is formed by either a transparent or a translucent plastic raw material. The ornamented segment 4 is arranged at the outer surface of the inner case 21 and the inner surface of the outer case 22 or at the outer surface of the inner case or the inner surface of the outer case 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage case for a recording medium, particularly a memory stick.
k), SmartMedia, S
The present invention relates to a case suitable for accommodating and carrying a memory card having a semiconductor called a D (Secure Digital) card as a recording medium.

[0002]

2. Description of the Related Art As a recording medium housing case for housing a memory card, for example, ones shown in FIGS. 14 to 17 are known.

A recording medium storage case 101 shown in FIGS. 14 and 15 includes a case body 102 and a case body 102.
And a lid 104 provided via a hinge 103. The case body 102 is the base plate 1
05 and a resin sheet 106 that is superposed on the base plate portion 105.

Base plate portion 105 and resin sheet 10
6 is partially welded by the welded portion 107, and a portion not welded, that is, a plurality of memory card storage portions 109 having the non-welded portion 108 as an opening is formed. Then, the memory card 10 is stored in the memory card storage section 109.
The lid 104 is closed after 0 is stored.

The memory card 100 stored in the surface of the resin sheet 105 constituting the case body 102 (the portion exposed to the outside even when the lid 104 is closed).
The decorative portion 301 is provided to display the type, capacity, etc.

A recording medium storage case 201 shown in FIGS. 16 and 17 includes a case body 202 and a case body 202.
And a lid portion 204 provided via a hinge 203. Case body 202, hinge 203, lid 2
04 is integrally formed of plastic.

A tray 205 made of expanded polyethylene (PE) is mounted in the case body 202.
Then, the memory card 1 is placed in the recess 206 of the tray 205.
After storing 00, the lid 204 is closed. The lid portion 204 has a display portion (hereinafter, letters, figures, decorative patterns, colors, etc. are collectively referred to as a decorative portion) 301 on the surface of which characters or the like indicating the type and capacity of the memory card are displayed.
Is equipped with. The decorating section 301 includes the case main body 102,
It is formed by a method such as printing characters and patterns on the surfaces of 202 and lids 104 and 204.

[0008]

The conventional recording medium storage cases 101 and 201 have the following problems. (1) Case main body 102, 202 and lid 104, 20
Since the decorative portion 301 is provided on the exposed portion of the surface of No. 4, the decorative portion 301 is easily damaged. Particularly, the recording medium storage cases 101 and 201 are the memory card 10.
In the case of a small-sized recording medium storage case that stores 0 or the like and carries it, the decorative portion 301 is likely to come into contact with other members and wear or peel off when being carried. (2) Case main body 102, 202 and lid 104, 20
When the surface of 4 has unevenness, it becomes difficult to provide the decorative portion 301.

According to the present invention, the decorative portion can be provided regardless of the presence of irregularities on the surface of the case body portion or the lid portion, and the decorative portion can be worn or worn during use, especially when carried. It is intended to provide a recording medium storage case that does not peel off.

[0010]

According to the present invention, there is provided a recording medium storage portion for storing a recording medium, and a decoration portion formed on the surface of the recording medium storage portion, which is composed of characters and / or graphics. A recording medium storage case, comprising a recording medium storage section,
The recording medium is composed of an inner case and an outer case. The outer case is made of a transparent or translucent plastic material, and the decorative portion is formed on the outer surface of the inner case and / or.
Alternatively, by providing the decorative portion on the inner surface of the outer case, the decorative portion is sandwiched between the inner case and the outer case so as to be seen through from the outer surface side of the outer case to protect the decorative portion. In addition, even if the outer surface of the outer case has irregularities, the decorative portion can be provided on the outer surface of the inner case and / or the inner surface of the outer case regardless of this.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 1 show a first embodiment. FIG. 1 is a perspective view of a recording medium storage case, and FIG. 2 is an exploded perspective view of an inner case.

As shown in FIG. 1, the recording medium storage case 1 includes a recording medium storage portion 2 for storing a memory card 100 as a recording medium, and a lid portion 3 for opening and closing the opening of the recording medium storage portion 2. , And a decorating section 4 formed of characters and / or figures displayed in the recording medium storage section 2. Here, as described above, the decoration section 4 is a general term for a display section that displays characters, figures, patterns and colors for decoration.

The recording medium storage unit 2 includes an inner case 21 for storing the recording medium 100 and an outer case 22 for storing the inner case 21.

As shown in FIG. 2, the inner case 21
Includes an inner case body portion 23 and a cover plate 24 attached to the cover plate attachment surface 23a of the inner case body portion 23.

The inner case body 23 is formed in a rectangular dish shape for accommodating one memory card 100. The inner case body 23 is provided with a memory card engaging portion 25 having elasticity that engages with the recess 100a of the memory card 100 inserted from the opening 23b on the side of the first side portion 23c. An engagement release lever 26 is provided which pulls out the mating portion 25 from the concave portion 100a of the memory card 100 and releases the engagement of the memory card 100 by the memory card engaging portion 25.

The engagement release lever 26 is slidable along the inner surface of the first side portion 23c of the inner case body 23 by a guide member 27 provided on the inner case body 23.

The engagement release lever 26 is a first spring of the leaf spring 28.
Is urged in the direction of the arrow A by the end portion 28a of the inner end portion 26a, and one end portion (hereinafter, referred to as a pressed portion) 26a projects from the opening portion 23b side of the inner case body portion 23.

The leaf spring 28 has a second end 28b side projecting above the bottom portion 23d of the inner case body portion 23.

The inner case body 23 has welding ribs (energy directors) 29 ... 2 for ultrasonically welding the cover plate 24 to the cover plate mounting surface 23a.
9 is equipped.

The inner case body 23 is connected to the outer surface of the first side portion 23c and the outer surface of the second side portion 23e by connecting the inner case body portion 23 into the outer case 24 described below, or The inner case body 23 is provided with a coupling concave portion 31 and a coupling convex portion 32 for coupling each other.

The coupling concave portion 31 and the coupling convex portion 32 are formed in the shape of a so-called dovetail and dovetail groove whose width is gradually narrowed toward the base portion, and when the coupling concave portion 31 is engaged with the coupling convex portion 32, both are disengaged. It's getting harder.

The inner case body 23 and the engagement release lever 26 are manufactured by injection molding acrylic butylene styrene (ABS). The inner case body 23 and the engagement release lever 26 are not limited to the above-mentioned acrylic butyryl styrene, but polystyrene (PS, GP-PS), high impact polystyrene (HI-PS), acrylic styrene (AS), polypropylene. A thermoplastic resin such as (PP), polyethylene (PE) or polycarbonate (PC) may be used.
The inner case body portion 23 and the engagement release lever 26 are not limited to the same material, and are appropriately selected and used.

The leaf spring 28 is formed by punching out a stainless steel plate material having a thickness of about 0.2 mm into a predetermined shape and then bending it.

The cover plate 24 is formed by punching a thin plate made of acrylic butylene styrene (ABS) with a thickness of about 0.4 mm into a predetermined shape.

The cover plate 24 has the welding rib 29.
29 is attached to the cover plate mounting surface 23a of the inner case body 23 by ultrasonic welding.

As shown in FIG. 3, welding ribs 29 ... 29
Has a triangular cross section. The bottom width W1 of the welding ribs 29 ... 29 having a triangular cross section is formed to be approximately half the width W2 of the cover plate mounting surface 23a, and the height W3 is
The cover plate mounting surface 23a is formed to have a width of approximately 1/4.

The welding ribs 29 are melted by applying pressure and ultrasonic waves with an ultrasonic horn, and are melted to be compatible with and solidified with the surface layer portion of the inner surface of the cover plate 24. As shown in FIG. The part 23 and the cover plate 24 are integrally connected. The welding using ultrasonic waves can be done well in a short period of time without using an adhesive or the like. Inner case body 23 and cover plate 24
It is desirable to use resin materials of the same material or materials having compatibility with each other. The cover plate 2 attached to the inner case body portion 23 as described above.
The surface of 4 is provided with a decorative portion 4 such as characters and figures.

The inner case 21 has the above-described structure. When the inner case body 23 is inserted into the memory card 100, the inner case 21 is inserted into the inner case body 23 as shown in FIG. End 2 of 2
8b is pressed and elastically deformed to store an urging force, and the memory card 100 is locked by engaging the memory card engaging portion 25 with the recess 100a of the memory card 100. When the pressed portion 26a of the engagement release lever 26 is pressed, the engagement release lever 26 slides in the direction of arrow B in FIG. 2, and the engagement release portion 26b presses the memory card engagement portion 25. , The memory card engaging portion 25 is pulled out from the concave portion 100a to unlock the memory card 100.

The memory card 100 unlocked by the memory card engaging portion 25 has the inner case body portion 23 by the spring force of the second end portion 28b of the leaf spring 28.
Is discharged from the opening 23b.

Next, the outer case 24 will be described. The outer case 24 is made of a transparent or translucent plastic material such as acrylic butylene styrene (A
BS).

As shown in FIG. 6, the outer case 24
Is composed of a front surface portion (front surface half) 41 and a rear surface portion (rear surface half) 42.

The front surface portion 41 and the rear surface portion 42 are formed by the first side portion 4
The inner case main body portion 23 is provided on the inner surfaces of 1a and 42a.
The second side portion 41 is provided with the coupling convex portion 44 that engages with the coupling concave portion 31 provided on the outer surface of the first side portion 23c.
On the inner surfaces of b and 42b, there are provided coupling recesses 45 that engage with the coupling projections 32 provided on the outer surface of the second side surface 23d of the inner case body 23.

The coupling convex portion 44 and the coupling concave portion 45 are formed in a so-called dovetail and dovetail groove shape like the coupling concave portion 31 and the coupling convex portion 32. In addition, the first side portion 41a of the front surface portion 41
A lid mounting portion 46 for mounting the lid portion 3 to be openable / closable is provided on the outer surface side of the first side surface 42a of the rear surface portion 42 and the outer surface side of the first side surface 42a of the rear surface portion 42. The lid mounting portion 46 is a coil spring 4
7 and a lid operating portion 48 biased by a coil spring 47.

The lid operating portion 48 is provided with a substantially V-shaped click operating surface 49 including a first inclined surface 49a and a second inclined surface 49b on its upper surface. Further, the front surface portion 41 and the rear surface portion 42 are provided with bearing holes 50 at the portions facing the lid mounting portion 46.

The lid portion 3 is provided with an arm portion 51 for bearing. The lid portion 3 includes a bearing arm portion 51 and a front surface portion 41.
And the bearing hole 50 provided in the facing arm portion 51, which is inserted between the lid mounting portions 46 of the rear surface portion 42 and the lid mounting portion 46, and the bearing holes 52 provided in the bearing arm portions 51 are aligned with each other. A shaft 53 inserted into the holes 50 and 52 is rotatably mounted between the lid mounting portions 46 of the front surface portion 41 and the rear surface portion 42.

Then, with the lid 3 closed,
The first end portion 51a on the lower surface side of the bearing arm portion 51
And the second end portion 51b is pressed by the first inclined surface 49a and the second inclined surface 49b of the lid operating portion 48, and the lid portion 3 is
It is kept closed. Further, when the lid portion 3 is rotated about 90 ° about the shaft 53 from the closed state, the lid portion 3 is provided with the first end portion 51b of the lower surface of the bearing arm portion 51.
Is pressed by the first inclined surface 49a of the lid operating portion 48 to maintain the lid open state.

The inner case main body 23 has a coupling concave portion 31 and a coupling convex portion 32 provided on the outer surfaces of the first side portions 23c and 23d, and the front surface portion 41 and the rear surface portion 4 of the outer case 24.
The second convex portion 44 and the second concave portion 45 provided on the inner surface of the first side portion 41a and the inner surface of the second side portion 41b are engaged with each other to be assembled in the outer case 22.

At the joint surface between the front surface portion 41 and the rear surface portion 42, the cover plate mounting surface 2 of the inner case body 23 is attached.
Welding ribs 54 similar to the welding ribs 29 ... 29 provided on 3a
... 54 is provided. Then, when the joining surfaces of the front surface portion 41 and the rear surface portion 42 are overlapped and pressure and ultrasonic waves are applied by the ultrasonic horn, the welding ribs 54 ... 54 are melted and the front surface portion 41 and the rear surface portion 42 are integrated. The outer case 24 is configured by being coupled to the. Front part 41 and rear part 42
It is desirable to use resin materials made of the same material or resin materials having compatibility with each other.

Next, the decoration section 4 will be described. The decorative portion 4 is printed with ink in which a surface material of the cover plate 24 is filled with a material having a luminous property (afterglow property).

The above-mentioned ink is, for example, about 13 parts by weight of an acrylic resin transparent ink: an inorganic material as a light-storing material (a material that absorbs light and retains light even after it is removed). Strontium aluminate oxide having a diameter of ˜15 μm: 65 parts by weight and approximately 60 as a surface conditioning agent
Obtained by kneading 8 parts by weight of spherical filler made of acrylic resin having a diameter of μm. The decorative portion 4 is formed by printing the ink with a thickness of approximately 20 μm by silk printing, and the decorative portion 4 is designed to shine in a dark place.

The afterglow amount and the afterglow time of the decorative portion 4 depend on the filling amount of the phosphorescent material in the resin ink and the printing thickness of the ink, and as the filling amount of the phosphorescent material increases, the The larger the printing thickness of the ink, the greater the afterglow amount and afterglow time, but on the other hand, increase the filling amount of the phosphorescent material in the resin ink or increase the printing thickness of the ink filled with the phosphorescent material. Then, there arises a problem that the adhesion strength to the cover plate 24 decreases.

Therefore, the ink cover plate 24 is used.
Was tested for adhesion to the surface of. here,
The adhesion of the ink is inspected by a cross-cut method to make 11 linear scratches with a cutter knife at 1 mm intervals on the printing surface, and further with a cutter knife at 1 mm intervals on the printing surface so as to be orthogonal to the scratches. An adhesive tape was attached on 1OO squares formed by making 11 linear scratches, the adhesive tape was peeled off, and the number of squares remaining on the printed surface was compared. As a result, 53 /
Only 100 (53%) remained.

A white ink obtained by mixing 5 parts by weight of titanium oxide as a white pigment with 95 parts by weight of an ordinary colored ink such as an acrylic resin-based transparent ink with respect to the ink filled with the above-mentioned phosphorescent material. Was printed to a thickness of about 12 μm, and the same test as the above was performed as a comparative example. As a result, the number of remaining squares was 100/100 (100
%)Met. As described above, since the decorative portion 4 made of the ink filled with the luminous material is easily peeled off, it is not suitable for the decorative portion of the recording medium storage case used for storing and carrying the memory card. However, in the present invention, since the decorative portion 4 made of the ink filled with the luminous material is covered by the outer case 22, the problem of easy peeling is solved, and it is used for carrying. It can be sufficiently used in a recording medium storage case.

The ink used for the decorative portion 4 is, in addition to the ink filled with strontium aluminate oxide as a phosphorescent material, aluminum for obtaining a metallic feeling,
Even ink filled with fine metal powder such as brass or copper, or ink filled with plate-like fine powder coated with metal pigment such as titanium oxide on the surface of glass flakes or mica to obtain a glossy feeling Good. The decorative portion 4 printed with the ink is covered with the outer case 22, and the desired metallic feeling and glossy feeling can be maintained for a long period of time.

The printing of the decorative portion 4 on the cover plate 24 is performed, as shown in FIG. 7, at the stage of the cover original fabric 61 before the cover plate 24 is punched out from the cover original fabric 61. After the decorative portion 4 is formed by means of pad printing, silk printing, hot stamp transfer or the like, the cover plate 61 may be punched into a predetermined shape to form the cover plate 24. A so-called metallic appearance may be obtained by applying aluminum vapor deposition or the like to the surface of the cover original fabric 61. In addition, from the original cover 61 to the cover plate 24
After punching, the decorative portion 4 may be formed on the surface of the cover plate 24 by means of pad printing, silk printing, hot stamp transfer, or the like.

FIG. 8 shows a first modification. In this modified example, the decorative portion 4 has a seal (print sheet) 71.
Has been applied to. The seal 71 is attached to the surface of the cover plate 24. Also in this case, the decorative portion 4 on the surface of the seal 71 is covered and protected by the outer case 22.

FIG. 9 shows a second modification. In this modified example, the decorative portion 4 is provided on the inner surface of the front surface portion 41 and / or the rear surface portion 42 forming the outer case 22. The decorative portion 4 provided on the inner surface of the front surface portion 41 and / or the rear surface portion 42 of the outer case 22 is protected by the inner case 21 covering the inner side and the outer case 22 covering the outer side.

FIG. 10 shows a third modification. In this modified example, the outer case 22 is provided with an uneven portion 81 and a stepped portion 82 on its outer surface to improve the anti-slip effect and the decorativeness (design). Also in this case, the desired decorative portion 4 can be easily provided on the outer surface side of the inner case 21 or the inner surface side of the outer case 22 regardless of the presence of the uneven portion 81 and the stepped portion 82 on the outer surface of the outer case 22. It will be possible.

11 and 12 show a fourth modification.
In this modified example, three inner case body portions 23 of the basic example shown in FIG. 2 are connected by using the coupling concave portion 31 and the coupling convex portion 32, and the three coupled inner case body portions 23 ... The case where the inner case 21 is configured by attaching the cover plates 24 of three sizes so as to straddle 23 is shown. As a matter of course, the outer case 22 is also formed in a size suitable for the inner case 21. The lid 3 is attached to the outer case 22 by a shaft 53 so as to be rotatable and openable. Then, the openings 23a of the three inner case body portions 23 ... 23 constituting the inner case 21 are simultaneously opened and closed. Since other configurations are substantially the same as those of the basic example, the same components are designated by the same reference numerals and the duplicate description will be omitted.

FIG. 13 shows a fifth modification. In this modified example, a case is shown in which a concavo-convex pattern 91 is formed by countless concavities and convexities on the inner surface of the front surface portion 41 and / or the rear surface portion 42 of the outer case 22. The concavo-convex pattern 91 is formed by providing a quadrangular pyramidal projection or a triangular projection on the inner surface of the outer case 22. Since the irregularities 91 are covered by the inner case 21, the memory card 1
It does not adversely affect the taking in and out of 00.

Further, the inner case of the outer case 22 is provided with a light refracting section 94 such as a lens section 92 and a prism section 93 by partially changing the thickness of the outer case 22. Due to the lens effect and the prism effect of the portion 93, the decorative portion 4 provided on the inner case 21 can be viewed by enlarging it.

Since the uneven pattern 91, the lens portion 92 or the prism portion 93 is covered by the inner case 21, it does not adversely affect the loading / unloading of the memory card 100. The concavo-convex pattern 91, the lens portion 92, or the prism portion 93 is obtained by subjecting the surface of a mold for injection-molding the outer case 22 to a process such as engraving.
The outer case 22 can be formed simultaneously with injection molding.

In the embodiment, the recording medium storage case 1 is
Although the memory card storage case for storing the memory card 100 is shown as above, the recording medium stored in the recording medium storage case 1 is not limited to the memory card, and may be a stick-shaped or disk-shaped recording medium. Good.

[0054]

(1) According to the invention of claim 1, the decorative portion composed of characters and figures is sandwiched between the inner case and the outer case. The coating is protected. Therefore,
Even if the decorative portion is displayed with the ink filled with the afterglow material that is easily peeled off, the durability can be provided. (2) In the invention of claim 2, since the ink for printing the decorative portion is filled with the inorganic filler (pigment), the inorganic filler can give the decorative portion a function such as a brilliance and a luminous property. it can. (3) In the invention of claim 3, the decorative portion is provided on the sticker, and the sticker is attached to the outer surface of the inner case or the inner surface of the outer case. (4) According to the invention of claim 4, characters are provided inside the outer case due to a difference in light transmission amount due to a difference in wall thickness of the case. Since the decorative portion such as a figure or a figure is formed, it is possible to provide an attractive product having a display effect different from that of the decorative portion formed by ink. (5) According to the invention of claim 5, a light refracting portion such as a prism or a lens is provided inside the outer case, so that the decorative portion applied to the inner case is enlarged by the lens effect or a perspective feeling is provided. Or, it is possible to provide an attractive product having an excellent display effect due to the effect of scattering incident light by the prism. (6) According to the invention of claim 6, since the inner case is composed of the inner case body and the cover plate attached to one side of the inner case body, and the cover plate is provided with the decorative portion, By attaching the decorative portion to the cover plate before attaching to the inner case main body portion, various decorative portions can be formed at low cost. (7) According to the invention of claim 7, since the recording medium to be stored is a memory card, the recording medium storage case is small and excellent in portability.

[Brief description of drawings]

FIG. 1 is a perspective view of a recording medium storage case.

FIG. 2 is an exploded perspective view of an inner case.

FIG. 3 is a sectional view of a welding rib.

FIG. 4 is a perspective view with a cover plate attached.

FIG. 5 is a perspective view showing a state where a memory card is inserted in the inner case.

FIG. 6 is an exploded perspective view of a recording medium storage case.

FIG. 7 is an explanatory diagram showing a method of manufacturing a cover plate.

FIG. 8 is a perspective view showing a first modified example.

FIG. 9 is a perspective view showing a second modified example.

FIG. 10 is a perspective view showing a third modified example.

FIG. 11 is a perspective view showing a fourth modified example.

FIG. 12 is a perspective view showing a fourth modified example.

FIG. 13 is a perspective view showing a fifth modified example.

FIG. 14 is a perspective view of a conventional example.

FIG. 15 is a perspective view of a conventional example.

FIG. 16 is a perspective view of a conventional example.

FIG. 17 is a perspective view of a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Recording medium storage case, 2 ... Recording medium storage part, 3 ... Lid part, 4 ... Decorative part, 21 ... Inner case, 22 ... Outer case, 71 ... Sticker, 94 ... Light refraction part, 100 ... Recording medium ( memory card).

Claims (7)

[Claims] 1. A recording medium storage section for storing a recording medium, and a decoration section attached to the recording medium storage section, wherein the recording medium storage section includes an inner case for storing the recording medium, and an inner case. An outer case to store the case,
The outer case is formed of a transparent or translucent plastic material, and the decorative portion is attached to an outer surface of the inner case and / or an inner surface of the outer case. Recording medium storage case. 2. The recording medium storage case according to claim 1, wherein the decoration portion is attached to the outer surface of the inner case with an ink filled with an inorganic filler. 3. The recording medium storage case according to claim 1, wherein the decoration portion is attached to a print sheet attached to an outer surface of the inner case. 4. The recording medium storage case according to claim 1, wherein the decorative portion is attached by providing the outer case with a portion having a different light transmittance. 5. The recording medium storage case according to claim 1, wherein the outer case includes a light refraction section outside the decoration section. 6. The inner case according to claim 1, wherein the inner case includes a dish-shaped inner case body and a cover plate joined to one side surface of the inner case body, and the cover plate has a decorative portion. A storage case for a recording medium, which is characterized in that 7. The recording medium storage case according to claim 7, wherein the recording medium to be stored is a memory card.