KR20140004981U - Protective case for mobile devices - Google Patents

Abstract

The protective case for a mobile device according to the present invention is configured such that a front side of the mobile device is opened so as to expose a front panel of the mobile device and the mobile device is housed inside the protective case and is wrapped around a shape corresponding to the outer shape thereof, The front and back surfaces are opened, and the engagement protrusions are integrally formed on the periphery of the front surface of the mobile device so as to enclose a part of the periphery of the front surface of the mobile device, A main body case having a side wall formed with a plurality of assembly grooves arranged in a line at a position spaced apart from the engagement protrusion by a total thickness of the mobile device; And a plurality of assembling protrusions formed on an edge of the body case to be engaged with the assembly recesses so as to surround the entire rear surface of the mobile device housed in the body case, And a backside plate which is integrally formed.
The present invention can easily mount the backing plate on the main body case after the backing plate is detached and the mobile device can be easily accommodated from the back of the main body case, thereby preventing the scratch or the function button from being damaged in the conventional mounting process. Various shapes of color and pattern design can be applied to the inner and outer sides of the backing plate of the present invention, and decorative fabrics having various textures and colors are attached. In particular, And the fabric is adhered to the outer surface of the back plate while protecting the mobile device from external impact by the body case.

Description

Protective case for mobile devices {Protective case for mobile devices}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective case for housing a portable mobile device such as a smart phone, and more particularly, To a protective case for a mobile device.

In recent years, as the technology of mobile phones has developed more and more and smart phones have been released, a revolution in portable communication devices is taking place.

In particular, smartphones combine high-priced portable devices such as mobile phones, notebooks, PDAs, and PMPs because they have both phone functions and Internet functions.

Accordingly, various types of protective cases have been introduced to prevent breakage and to prevent the liquid crystal surface from being scratched or contaminated.

Among them, as shown in FIG. 1A, a protective case 1, which is made up of a flexible material or a synthetic resin molded article, which is configured to enclose the entirety of the mobile device M except the front surface thereof, Quot; bumper case 2 "in which only the side edge portion of the mobile device M is enclosed as shown in Fig. 1B.

First, since the integral protective case 1 covers all the remaining portions except for the front surface of the mobile device M, there is a limit in designing the integral protective case 1 in various ways.

Accordingly, the integral protective case 1 is generally fabricated as a double injection structure to produce a color design.

In addition, since the integral protective case 1 is made of an injection-molded product, there is a problem in that it is inserted in front of the mobile device M and separated again.

Particularly, the integral protective case 1 made of a synthetic resin injection molding generates a scratch on the surface of the edge of the mobile device M due to the engagement structure formed on the front surface in the process of separating and inserting, and when the function button or the like is severely pressed, Factor.

Meanwhile, since the bumper case 2 covers only the side edge portion of the mobile device M, the front and rear surfaces of the mobile device M are directly exposed.

Accordingly, although a protective film (not shown) is attached to the front surface portion, the back surface portion is directly exposed. Therefore, scratches and the like are generated in the process of using the mobile device M, .

As shown in FIG. 1B, the bumper case 2 has a frame structure of a "c" shape and is assembled while wrapping the front and rear edge portions of the mobile device M at the time of mounting. The same problem as the integrated protective case 1 described above occurs.

As a result, it is possible to easily store the mobile device M in the protective case, to protect the mobile device M against external impact, and to produce a variety of materials and pattern designs, There is an urgent need for a new type of mobile device protection case which is low in case manufacturing cost and selling unit price and is easy to mass-produce.

The object of the present invention is to provide a mobile device which can easily and conveniently be mounted on the rear side of the main body case by separating the backing plate from the main case and the backing plate, And to provide a protective case for a mobile device which can prevent breakage of scratches, function buttons and the like which are generated.

In addition, the present invention makes it possible to apply various types of color and pattern designs to the inner and outer sides of the backing plate, and particularly to the back side of the mobile device by attaching decorative fabrics having various textures and colors to the outer side, And to provide a protective case for a mobile device which is designed to exhibit various ornamental effects by the decorative fabric on the outer surface of the backing plate while protecting against external impacts.

Other objects not mentioned in the present invention can be understood by those skilled in the art from the following description.

The protection case for a mobile device according to the present invention is such that a front case is opened so that a front panel of the mobile device is exposed and the mobile device is housed inside the case and is wrapped around a shape corresponding to the outer shape of the case, The front and back surfaces are opened and the engagement protrusions are integrally formed on the periphery of the front surface of the mobile device so as to surround a part of the periphery of the front of the mobile device, A main body case having a side wall formed with a plurality of assembling grooves arranged in a line at positions spaced apart from the engaging shoulders by a total thickness of the mobile device; And a plurality of assembling protrusions formed on an edge of the body case to be engaged with the assembly recesses so as to surround the entire rear surface of the mobile device housed in the body case, And a backside plate which is integrally formed.

According to an aspect of the present invention, the backing plate includes a core made of a thin metal plate or a synthetic resin plate, a protective fabric attached to an inner surface of the core and contacting the back surface of the mobile device, And the protective fabric and the decorative fabric are integrally attached to the core material by an adhesive, heat fusion, or high frequency welding.

According to another feature of the present invention, the backing plate is made of a thin metal plate or a synthetic resin plate, and in the case of a synthetic resin plate, patterns having different colors or textures are formed in a convex or concave shape, A ceramic or anodized coating layer may be selectively formed on the inner and outer surfaces.

According to another feature of the present invention, the backing plate is made of a core made of a thin metal plate or a synthetic resin plate, and the decorative fabric having different materials, colors, or patterns formed on the inner and outer sides of the core, Or by high-frequency fusion bonding.

According to another feature of the present invention, the backing plate is made of a thin metal plate or a synthetic resin plate, and a through hole is formed at a position corresponding to a camera or a speaker located on the back surface of the mobile device.

According to another aspect of the present invention, a function hole is formed on a side surface of the main body case to correspond to various function buttons provided on a side surface of the mobile device, and the function button is operated from the outside.

According to another aspect of the present invention, the inner side surface of the main body case frame is formed with a soft gap pad, which is elastically contacted with the outer peripheral surface of the mobile device, by an adhesive layer.

According to another aspect of the present invention, an auxiliary button for operating the function button from the outside is additionally assembled to a function hole formed at a position corresponding to various function buttons provided on the side of the mobile device, A soft gap pads resiliently contacting with the outer circumferential surface of the rim of the mobile device are attached to the inner side surfaces of the main body case rim by an adhesive layer and are attached to the inner surface of the auxiliary button, Button.

According to another aspect of the present invention, the assembly groove includes a plurality of latching grooves and a plurality of insertion grooves having different widths, and the latching protrusions are formed with latching protrusions and fitting protrusions having different widths corresponding to the latching recesses and the fitting recesses And the width of the engaging groove and the engaging projection is larger than the width of the fitting groove and the fitting projection.

According to another feature of the present invention, the assembling protrusion is made thinner as it goes outward from the edge of the backing plate edge toward the end.

According to another aspect of the present invention, the assembly groove and the assembly protrusion are formed as a pair, and are respectively disposed at positions facing each other in the longitudinal direction of the main body case and the backing plate, The assembly projections on one side are inserted into the assembly grooves and the assembling projections on the other side are fitted into the assembly grooves on the other side while bending the intermediate portion outwardly.

According to another aspect of the present invention, the protective fabric and the inner surface of the decorative fabric are provided with a thermoplastic adhesive film such as a hotmelt and are attached to the core material by thermal welding or high frequency welding.

According to another aspect of the present invention, the protective fabric and the decorative fabric are attached to the inner and outer surfaces of the core except for the assembly protrusion.

According to the protective case for a mobile device as described above, since the backing plate can be easily removed from the rear of the main body case after the backing plate is detached, the backing plate can be mounted on the main body case, Thereby preventing breakage of the battery.

Various shapes of color and pattern design can be applied to the inner and outer sides of the backing plate of the present invention, and decorative fabrics having various textures and colors are attached. In particular, And the fabric is adhered to the outer surface of the back plate while protecting the mobile device from external impact by the body case.

Accordingly, the user can easily replace the backing plate of his / her desired design with the main body case, so that the user can use the protective case for a mobile device in a more various fashion.

In addition, the decorative fabric attached to the inside and the outside of the core material and the protective fabric are adhered to each other by the thermoplastic film all over the surface to produce a neat surface roughness, so that the product of the mobile device protective case can be enhanced.

The drawings described below are for illustrative purposes only and are not intended to limit the scope of the present invention.
1A and 1B are front views for explaining a problem of a conventional protective case for a mobile device.
FIG. 2 is an overall perspective view showing a configuration of a protective case for a mobile device according to the present invention;
3 is an exploded perspective view showing a detailed configuration of a protective case for a mobile device according to the present invention;
Fig. 4 is a cross-sectional view of Fig. 2 showing the assembled structure of the main body case and the mobile device according to the present invention; Fig.
FIG. 5 is a side sectional view showing a configuration of a main body case and a backing plate according to the present invention,
6 is a rear view of the main body case according to the present invention and a state in which the backing plate is removed,

The drawings described below are for illustrative purposes only and are not intended to limit the scope of the present invention.

As an example of a protective case for a mobile device, a protective case for accommodating a rectangular smartphone will be described as an example. However, the present invention is not limited to this and can be applied to various types of protective cases according to the type of mobile device. Of course.

A protective case for a mobile device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view showing a configuration of a protective case for a mobile device according to the present invention, FIG. 3 is an exploded perspective view showing a detailed configuration of a protective case for a mobile device according to the present invention, FIG. 5 is a side cross-sectional view showing a mounting state of the main body case and the backside plate according to the present invention, and FIG. 6 is a side view showing the assembled state of the main body case and the mobile device according to the present invention Is a rear view of the state in which the illustrated backing plate is removed.

First, the configuration of the present invention will be described with reference to FIGS. 2 to 6 as follows.

In the protective case 100 for a mobile device according to the present invention, the protective case 100 for a mobile device according to the present invention is opened frontward so that a front panel of the mobile device M is exposed, M of the main body case 10 is wrapped around a shape corresponding to the outer shape of the main body case 10 and the backside decoration plate 20, And is detachably detachable from the main body of the apparatus.

The main body case 10 is configured to surround the side surface of the mobile device M and has a front surface and a rear surface opened.

A locking protrusion 12 is integrally formed on the periphery of the front surface of the main body case 10 so as to enclose a part of the periphery of the front of the mobile device M and has a cross sectional structure together with the inner side wall 11.

Accordingly, when the mobile device M is inserted into the open rear portion of the protective case 100 according to the present invention, the locking protrusion 12 is not provided.

A plurality of assembly grooves 13 may be formed in the inner wall 11 of the main body case 10 at a position spaced apart from the engaging shoulders 12 by a total thickness of the mobile device M, Will be described later.

The backside decoration plate 20 is formed in a plate shape having a size and shape corresponding to the inner periphery of the back surface of the main body case 10 so as to cover the entire back surface of the mobile device M housed in the main body case 10 .

A plurality of assembling protrusions 21 are integrally formed at the edge of the backing plate 20 so as to be coupled to the assembling recesses 13. The detailed description of the assembling protrusions 21 is made in the configuration .

The main body case 10 may be made of synthetic resin such as ABS or PC. In this case, the main body case 10 may be manufactured by an injection mold so as to be able to produce various designs with color and surface texture of the injection material itself. After the molding, the outer surface may be plated or coated with various colors.

In addition, the body case 10 may be made of a metal material, and may be made of a lightweight and durable aluminum material such as duralumin.

Accordingly, the main body case 10 made of a metal can be manufactured by die casting or machining, and in particular, the mounting groove 13 is formed by undercut processing in a mold structure or by machining by post processing.

In the protection case 100 of the present invention having such a basic configuration, the backside plate 20 can be variously embodied.

According to an aspect of the present invention, the backing plate 20 includes a core 24 made of a thin metal plate or a synthetic resin plate, and a backing plate 24 attached to the inner surface of the core 24, And a decorative fabric 31 adhered to the outer surface of the core material 24. [

The decorative fabric 31 is attached to the outer surface of the core material 24, and any material fabric can be applied as long as the fabric can express various decorative effects.

Considering the case where the backing plate 20 is turned upside down and mounted on the main body case 10, the decorative fabric 31 whose surface does not damage the surface of the mobile device M It is preferable to use them appropriately.

Also, since the protective fabric 30 is always in contact with the back surface of the mobile device M, the protective fabric 30 is made of a fabric having a smooth texture, such as chamois or suede.

The thickness of the protective fabric 30 is not stray from the main body case 10 when the backing plate 20 is detached from the main body case 10 using the same or slightly thin fabric as the thickness of the decorative fabric 31, As shown in Fig.

The decorative fabric 31 and the protective fabric 30 are made of a material capable of forming a good surface roughness by a bonding method or a high frequency or hot fusion method using hot melt, As shown in Fig.

According to another aspect of the present invention, the backing plate 20 may be formed of a thin metal plate or a synthetic resin plate without using the decorative fabric 31 or the protective fabric 30 as in the above-described embodiment.

In the case of a synthetic resin sheet, the assembly projections 21 are formed integrally with the assembly projections 21 by cutting the outline of the assembly projections 21 by an altar die, The backing plate 20 can be manufactured.

Particularly, in the case of manufacturing the backing plate 20 by injection molding, various pattern patterns are etched or sanded on the surface of the mold to form embossed or embossed decorative patterns so as to have different colors and textures together with the color of the injection material .

In the case of manufacturing the backing plate 20 by cutting, the backing plate 20 can be manufactured so as to have various designs by printing, coating, or plating by the post-processing after cutting the outline line. have.

In particular, when a backing plate 20 made of a metal such as aluminum is applied, a ceramic or anodized coating layer may be formed on the surface thereof and selectively formed on the outer surface thereof.

The ceramic coating can be coated with one coating or two coatings and has a very good surface roughness and good grip feeling. Therefore, when applied to the backing plate 20 of the present invention, when carrying the main body case 10, Since the far-infrared ray is emitted from the ceramic coating layer, a useful effect on the human body is exhibited.

In addition, the anodizing coating is light in weight compared to other metals in aluminum material, and its price is low, so that it is suitable to be applied to the backing plate 20 of the present invention.

However, due to the nature of the aluminum plate, The surface is subjected to an anodizing oxidation treatment to improve the hardness, thereby protecting the body case 10 from scratches from external impact or protecting the mobile device M housed therein while protecting the body case 10 from damage, It is possible to minimize the occurrence of the problem .

According to another feature of the present invention, the backing plate 20 is made of a core material 24 made of a thin metal plate or a synthetic resin plate, and the inner side surface and the outer side surface of the core material 24 are made of different materials or colors Or the decorative fabric 31 with the pattern formed thereon may be integrally adhered to each other by an adhesive, heat fusion, or high frequency welding.

In other words, when the user designates one of the decorative fabrics 31 by making the different kinds of decorative fabrics 31 different in texture and color or pattern from each other on the inner side surface and the outer side surface of the core material 24, The decorative fabric 31 of the design can be exposed to the outside.

Accordingly, it is possible to direct the decorative design desired by the user through the backside decoration plate 20 having various types of decorative patterns, which can be easily mounted on the protective case 100. Therefore, The protection case 100 of the present invention can be continuously used for a long period without being tired without purchasing a new one.

According to another feature of the present invention, the backside decoration plate 20 is made of a thin metal plate or a synthetic resin plate, and is provided on one side of the backside decoration plate 20 at a position corresponding to a camera or speaker located on the back side of the mobile device M A through hole 40 is formed.

That is, since the location of the functional parts such as the camera, the flash, and the speaker is formed at different positions in each mobile device M, the through hole 40 is formed in the backing plate 20 correspondingly.

The through hole 40 is formed in the decorative fabric 31 and the protective fabric 30 of the core material 24 and is formed by molding the fabric and the core material 24 according to the material layer structure and material of the backing plate 20 The through hole 40 may be formed in the process of being formed or molded in the mold.

In the above-described embodiment, the fabric is prevented from being easily exposed to the core material 24 while the laminated structure is not exposed to the outside on the laminated surface of the core 24, the decorative fabric 31 and the protective fabric 30 of the backing plate 20. [ And a finishing edge portion 33 formed by applying a glaze such as a urethane material or an epoxy hardening resin to the side surface so as not to be separated.

It is preferable that the finishing rim portion 33 is applied only to the remaining region except for the assembling protrusion 21 so that the assembling protrusion 21 is easily inserted into the assembling groove 13. [

According to another embodiment of the present invention, the protective fabric 30 and the inner surface of the decorative fabric 31 are provided with a thermoplastic adhesive film such as a hotmelt, And is attached by heat fusion or high frequency welding.

In other words. And is adhered to the core 24 all over in the case where the decorative fabric 31 and the protective fabric 30 are made of a synthetic resin material capable of adhering by high frequency or heat fusion.

However, among the fabric having a decorative effect, there is a fabric which is not directly adhered to the core member 24 in response to heat or high frequency. Therefore, the core member 24 is configured to be adhered using the thermoplastic adhesive film 60 will be.

The thermoplastic adhesive film 60 is provided between the decorative fabric 31 and the core material 24 and between the protective fabric 30 and the core material 24 so as to be entirely adhered inside the fusion mold by a hot press apparatus, The decorative plate 20 can be bonded to the core 24 with good surface roughness

According to another aspect of the present invention, it is preferable that the protective fabric 30 and the decorative fabric 31 are attached to the backing plate 20 other than the assembling protrusion 21.

If the fabric is attached to the assembly protrusion 21, it is difficult to insert the fabric into the assembly groove 13, and the fabric may be peeled off in the process of being inserted into the retaining groove 14. In this embodiment, 21, the fabric is attached only to the remaining areas.

According to another aspect of the present invention, a function hole 41 is formed at a side of a rim of the main body case 10 at a position corresponding to various function buttons 42 provided on the side of the mobile device M, The function button 42 is operated.

That is, the mobile device M includes function buttons 42 including a power button, a volume button, a storage memory insertion slot, and the like for each manufacturer.

Therefore, the function hole 41 is formed in the side surface of the main body case 10 of the present invention at a position corresponding thereto.

Particularly, the power button and the volume button frequently used in the mobile device M can easily fail, and since the thickness of the side wall 11 mounted on the main body case 10 can not protrude to the outside, It can be inconvenient.

A seating groove 16 is formed in the function hole 41 of the main body case 10 so that the lower surface of the auxiliary button 43 is additionally mounted on the seating groove 16 so as to correspond to the upper surface of the function button 42 .

Therefore, when the auxiliary button 43 provided in the function hole 41 is pressed when the function button 42 is pressed from the outside after the mobile device M is mounted on the main body case 10, 42 can be conveniently operated.

According to another feature of the present invention, the inner side surface of the main body case 10 is formed with a soft gap pad 50, which is elastically contacted with the outer peripheral surface of the mobile device M, by an adhesive layer .

According to such a configuration, it is possible to prevent the occurrence of scratches caused by the contact between the side surfaces of the main body case 10 and the mobile device M during the process of mounting or after use.

In addition, it is possible to make the outer tolerance of the mobile device M and the main body case 10 large enough to allow easy mounting and dismounting of the mobile device M while maintaining the tolerance by the gap pad 50, The mobile device M can be more safely protected by being buffered and dispersed by the gap pad 50. [

According to another feature of the present invention, the functional hole 41 is formed in the side of the rim of the main body case 10 so as to penetrate the function hole 42 corresponding to the various function buttons 42 provided on the side of the mobile device M, An auxiliary button 43 for operating the button 42 from the outside is further assembled.

A soft gap pad 50 elastically contacted with an outer circumferential surface of the frame of the mobile device M is attached to the inner side surface of the body case 10 by an adhesive layer, So that the auxiliary button 43 is in contact with the function button 42 in a buffered manner while preventing the auxiliary button 43 from being separated.

According to such a configuration, the physical force applied when the auxiliary button 43 is pressed repeatedly from the outside is applied directly to the function button 42 while protecting the side of the rim of the mobile device M by the gap pad 50 .

Therefore, since the force applied to the auxiliary button 43 is transmitted to the function button 42 through the gap pad 50, the function button 42 is softly pressed. When the function button 42 is damaged It is possible to provide an effect of enhancing the quality of the product of the protective case 100 because the pressing operation is felt to be luxurious.

According to another feature of the present invention, the assembly groove 13 and the assembling protrusion 21 are formed as a pair, and are disposed at positions facing each other in the longitudinal direction of the main body case 10 and the backing plate 20 Respectively.

Therefore, in the process of assembling the backside decoration plate 20 and the main body case 10, one of the assembling protrusions 21 is engaged with one of the assembling recesses 13 while bending the intermediate portion thereof outward, So that the assembling protrusion 21 can be fitted into the assembling recess 13.

According to another feature of the present invention, the mounting groove 13 is formed of the latching groove 14 and the fitting groove 15 having different widths.

The assembling protrusion 21 is formed of the engaging protrusions 22 and the fitting protrusions 23 having different widths corresponding to the engaging grooves 14 and the fitting recesses 15, The width of the base 22 is larger than the width of the fitting groove 15 and the fitting projection 23.

The engaging projection 22 and the engaging groove 14 are located at a lower end with respect to the mobile device M and the fitting protrusion 23 and the fitting groove 15 are formed in the camera through hole 40 are formed.

The latching protrusion 22 is stably inserted into the latching groove 14 when the latching protrusion 22 is first inserted into the latching groove 14 when the backing plate 20 is detached or attached to the main body case 10, 14).

Then, when the fitting protrusion 23 is placed in the fitting groove 15 in a state where the upper end of the backing plate 20 is slightly bent outwardly, the backing plate 20 is flattened by the self-elastic restoring force of the backing plate 20, So that the decorative plate 20 can be easily mounted on the main body case 10.

On the other hand, when the back cover plate 20 is detached, since the width of the fitting groove 15 is shortened by applying a force to the camera through hole 40 by downward force, the fitting protrusion 23 is easily detached, The backing plate 20 can be easily separated from the main body case 10 as the main body 20 is slightly bent outward.

According to another feature of the present invention, the assembling protrusion 21 has a thinner thickness from the edge of the edge of the backing plate 20 toward the outside toward the end.

That is, the assembly groove 13 has a substantially rectangular cross section, and the assembly projection 21 has a rectangular shape corresponding to the assembly groove 13 and has a thinner thickness toward its upper part, .

Therefore, the lower end of the assembling protrusion 21 can be easily assembled with the inlet of the assembling recess 13 when the assembling protrusion 21 is inserted into the assembling recess 13. [ do.

With this configuration, even after the backside decorative plate 20 is assembled to the main body case 10, the backside decoration plate 20 can be maintained in a flat state without being moved or detached, so that the backside of the main body case 10 can be finely finished It is.

It will be understood by those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof.

Therefore, the embodiments disclosed in this specification are intended to illustrate rather than limit the technical idea of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments.

The scope of the present invention should be construed in accordance with the following claims, and all technical ideas which are within the scope of the same shall be construed as being included in the scope of the present invention.

100: Protective case 10: Body case
11: inner side wall 12:
13: Assembly groove 14:
15: fitting groove 16: seating groove
20: backside plate 21: assembly projection
22: a locking projection 23: a fitting projection
24: Core material
30: Protective Fabric 31: Decorative Fabric
33: Finishing frame
40: Through hole 41: Function hole
42: Function button 43: Auxiliary button
50: gap pad
60: thermoplastic adhesive film

Claims (13)

The protective case is configured such that a front side of the mobile device is opened to expose a front panel of the mobile device, and the mobile device is housed inside the mobile device and is wrapped around a shape corresponding to the outer shape of the mobile device.
The front and back surfaces are opened and the engagement protrusions are integrally formed on the periphery of the front surface so that a part of the periphery of the front of the mobile device is wrapped, And the inner side wall is formed with a plurality of assembly grooves arranged in the same line at a position spaced apart from the engagement protrusion by a total thickness of the mobile device; And
And a plurality of assembling projections that are engaged with the mounting recesses at the edges of the mounting projections are formed at the edges of the mounting projections to surround the entire rear surface of the mobile device housed in the main body case And a backside plate formed integrally with the main body.
The method according to claim 1,
The backing plate comprises a core made of a thin metal plate or a synthetic resin plate,
A protective fabric attached to the inner surface of the core member and contacting the back surface of the mobile device,
And a decorative fabric attached to an outer surface of the core,
Wherein the protective fabric and the decorative fabric are integrally attached to the core material by an adhesive, heat fusion, or high-frequency fusion.
The method according to claim 1,
The backing plate is made of a thin metal plate or a core plate made of a synthetic resin plate and the decorative fabric having different materials or colors or patterns formed on the inner and outer sides of the core is bonded together by heat, Wherein the protector is attached to the case. The method according to claim 1,
The backing plate is made of a thin metal plate or a synthetic resin plate. In the case of a synthetic resin plate, a pattern having different colors or textures is formed in a convex or concave shape. In the case of a metal plate, a ceramic or anodized coating layer Wherein the protective case is selectively formed on the inside and outside of the case.
The method according to claim 1,
Wherein the backing plate is made of a thin metal plate or a synthetic resin plate and has at one side a through hole at a position corresponding to a camera or a speaker located on a back surface of the mobile device.
The method according to claim 1,
Wherein a function hole is formed in a side surface of the main body case at a position corresponding to various function buttons provided on a side surface of the mobile device so as to operate the function button from the outside. The method according to claim 1,
Wherein a soft gap pads are provided on inner side surfaces of the main body case to elastically contact with outer peripheral surfaces of the rims of the mobile device by an adhesive layer.
The method according to claim 1,
An auxiliary button for operating the function button from the outside is additionally assembled to a function hole formed at a position corresponding to various function buttons provided on a side surface of the main body case,
A soft gap paddle that is in elastic contact with the outer circumferential surface of the rim of the mobile device is attached to the inner side surface of the main body case rim by an adhesive layer and is attached to the inner surface of the auxiliary button, And the protective case is configured to be in contact with the outer case.
The method according to claim 1,
Wherein the assembling recess comprises an engaging groove having a width different from the engaging groove and the engaging groove having a different width and the engaging groove having a different width corresponding to the engaging groove and the fitting protrusion,
And the width of the engaging groove and the engaging projection is larger than the width of the fitting groove and the fitting projection.
10. The method according to any one of claims 1 to 9,
Wherein the assembling protrusion has a thinner thickness from the end of the edge of the backing plate towards the outside toward the end.
10. The method according to any one of claims 1 to 9,
The assembly groove and the assembly protrusion are formed as a pair and are respectively disposed at positions facing each other in the longitudinal direction of the main body case and the backing plate so that the assembling protrusion at one side in assembling the backing plate and the main body case is assembled at one side And the assembling protrusion of the other side is fitted into the assembling groove of the other side while the intermediate portion is bent outward while being engaged with the groove.
The method according to claim 3 or 4,
Wherein the protective fabric and the inner surface of the decorative fabric are provided with a thermoplastic adhesive film such as a hotmelt and attached to the core material by thermal fusion or high frequency welding.
The method according to claim 3 or 4,
Wherein the protective fabric and the decorative fabric are attached to the inner and outer surfaces of the core except for the assembly protrusions.

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