KR20090072104A - Sheet for metal card, metal card and method for manufacturing thereof - Google Patents

Abstract

A sheet for a metal card, the metal card having the same and a manufacturing method the same are provided to implement esthetic sense of high quality by comprising a metal sheet body and a metal superficial layer with metal materials. A sheet(100) for a metal card comprises the followings: a metal sheet body(110), a slit groove(120) which is depressed and formed at least one side of the metal sheet body; and a metal superficial layer(130) combined on one side of both sides of the metal sheet body by forming a curved part(131). The curved part of the metal superficial layer has a shape connectable to the both sides and the bottom of the slit groove.

Description

Sheet for metal card, metal card having same and manufacturing method thereof {Sheet for metal card, metal card and method for manufacturing Technical Field}

The present invention relates to a sheet for a metal card, a metal card having the same, and a method for manufacturing the same. The present invention is made of a metal material so that the user can feel the quality of the card more enhanced by the unique strength of the metal. The present invention relates to a sheet for a metal card having a structure capable of mounting a magnetic bar, a metal card having the same, and a method of manufacturing the same.

Plastic cards generally used in recent years include financial cards such as cash cards, debit cards, credit cards, and securities cards used in the financial sector, as well as membership membership cards and libraries used in various shopping malls, mobile operators, and hospitals. Identification cards used in schools, schools, and businesses.

Plastic card, which has been used only as a simple payment method, is being used in various ways according to its usage recently. In order to produce a unique personality of the user or the source, to keep the appearance beautiful and to display various character information. In addition, offset printing is performed on the synthetic resin sheet constituting the plastic card so that patterns, characters, and the like representing various colors are represented.

In order to enhance the aesthetic appearance of the card, most plastic cards are decorated with offset printing as above. However, offset printing alone allows the card to show a different texture or the card's appearance is more advanced. There is a limit to be able to feel, and thus there was not enough to meet the needs of consumers who value personality in recent years.

As another example to improve the appearance of the card, a plastic card is proposed, which allows a more unusual texture to be expressed by intercalating and thermally bonding a decorative sheet made of precious metal having a unique luster between the synthetic resin sheets constituting the card or on the surface. However, this also has a limit in expressing the appearance of the card more luxuriously, and as the decorative sheet of different metal is interposed between the sheets of plastic synthetic resin material, there is a problem that the joining area between the sheets after the card is attached. In addition, due to the nature of the plastic material, the strength was weak, the card was easily bent or broken when affected by external forces.

In order to solve the problem of the conventional plastic card, a metal card having the same size and thickness as a general credit card has been proposed, but in the case of a metal card, a magnetic material made of synthetic resin, which is a recording medium for inputting information about the card, is used. It is virtually difficult to bond the tape to the metal surface using a bonding method such as laminating, and therefore, there is no choice but to use an adhesive. However, even if the adhesive is bonded with the adhesive, it may be lifted up over time. This exposure has been used for the purpose of simply business cards.

The present invention devised to solve the problems as described above, the metal card sheet can not feel the deformation even under the influence of external forces due to the sufficient rigidity of the metal itself while feeling the improved quality of the card by the unique gloss of the metal It is an object of the present invention to provide a metal card and a method of manufacturing the same.

And, although it is a metal material, it can be provided with a magnetic tape, in addition to a simple use such as a business card, such as a financial card, membership card, identity card, etc., which can be more widely utilized for metal card sheet, a metal card having the same and their It is another object to provide a manufacturing method.

The present invention for achieving the above object, the metal sheet body 110; A slit groove 120 recessed in at least one surface of both surfaces of the metal sheet body 110; And a metal surface layer 130 having a bent portion 131 that is bent into the slit groove 120 to be coupled to one surface or both surfaces of the metal sheet body 110. ) Makes the technical gist.

Here, the bent portion 131 of the metal surface layer preferably has a shape that can be connected to both side surfaces and the bottom surface of the slit groove 120.

The present invention provides a metal sheet body 110, a slit groove 120 recessed in at least one surface of both surfaces of the metal sheet body 110, and a bent portion 131 that is bent into the slit groove 120. A metal card sheet (100) having a metal surface layer (130) bonded to one or both surfaces of the metal sheet body (110); And a magnetic bar 200 coupled to the bent groove 131a formed by the bent portion 131 of the sheet for the metal card.

Here, the fixing piece 300 is coupled to the metal surface layer 130 in the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet. It is preferable that it is comprised including further.

In addition, the present invention, the sheet body manufacturing step for producing a metal sheet body 110, the slit groove 120 is formed on at least one surface of the flat both sides; A surface layer bonding step of bonding the metal surface layer 130 to one surface or both surfaces of the metal sheet body 110; And a bending portion that is bent into the slit groove 120 by bending the metal surface layer 130 in a shape corresponding to the slit groove 120 at a position corresponding to the slit groove 120 by pressing. It is another technical gist of the method for manufacturing a sheet for a metal card comprising a; forming a bent portion forming step 131.

Here, the sheet manufacturing step, the first sheet manufacturing step for producing a flat plate-shaped first metal sheet 111; A second sheet manufacturing step of manufacturing a second metal sheet 112 having a thickness corresponding to the depth of the slit groove 120 and partially cut or formed separately in a shape corresponding to the slit groove 120; And a sheet bonding step of bonding the second metal sheet 112 to at least one surface of both surfaces of the first metal sheet 111.

In the sheet manufacturing step, it is preferable to simultaneously form the metal sheet body 110 and the slit groove 120 by casting using a mold having a protrusion corresponding to the shape of the slit groove 120. .

In addition, the sheet body manufacturing step, the sheet body manufacturing step for producing the metal sheet body 110 in a flat flat shape; And a press step of pressing and forming the slit groove 120 by press working on at least one surface of both surfaces of the metal sheet body 110.

The sheet body manufacturing step may include: a sheet body manufacturing step of manufacturing the metal sheet body 110 into a flat plate shape; And a milling step of shaping the slit groove 120 by cutting or grinding on at least one surface of both surfaces of the metal sheet body 110 by cutting or grinding.

In addition, the present invention, the sheet body manufacturing step for producing a metal sheet body 110, the slit groove 120 is formed on at least one surface of the flat both sides; A portion of the metal surface layer 130 having a flat and flat sheet shape is bent and deformed by press working into a shape corresponding to the slit groove 120 to be inserted into the slit groove 120. Forming a surface layer; And a surface layer bonding step of bonding the metal surface layer 130 having the bent portion 131 formed on one or both surfaces of the metal sheet body 110 to another method of manufacturing a sheet for a metal card. Shall be.

And, the present invention, the sheet body manufacturing step for producing a metal sheet body 110, the slit groove 120 is formed on at least one surface of the flat both sides; A surface layer bonding step of bonding the metal surface layer 130 to one or both surfaces of the metal sheet body 110; The metal surface layer 130 is bent in the shape corresponding to the slit groove 120 at the position corresponding to the slit groove 120 by the bending process by the bending process to bend the inside slit groove 120 Forming a bend portion; And a magnetic bar coupling step of coupling the magnetic bar 200 to the metal surface layer 130 while being inserted into the bent groove 131a formed by the bent portion 131 of the metal surface layer. The manufacturing method of another technical gist.

Here, the fixing piece 300 is coupled to the metal surface layer 130 in the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet. It is preferably configured to further include a fixing piece coupling step to.

In addition, the present invention, the sheet body manufacturing step for producing a metal sheet body 110, the slit groove 120 is formed on at least one surface of the flat both sides; A portion of the metal surface layer 130 having a flat and flat sheet shape is bent and deformed by press working into a shape corresponding to the slit groove 120 to be inserted into the slit groove 120. Forming a surface layer; A surface layer bonding step of bonding the metal surface layer 130 having the bent portion 131 formed on one or both surfaces of the metal sheet body 110; And a magnetic bar coupling step of coupling the magnetic bar 200 to the metal surface layer 130 while being inserted into the bent groove 131a formed by the bent portion 131 of the metal surface layer. The manufacturing method of this is another technical point.

Here, the fixing piece 300 to the metal table layer 130 in the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet. It is preferably configured to further include;

The present invention by the configuration as described above, by configuring the metal sheet body and the metal surface layer corresponding to the main body of the card with a metal material, using the color, surface characteristics and processing characteristics peculiar to the metal can not be implemented with conventional plastic materials Not only can high-quality aesthetics be realized, but also rigidity sufficient to implement various functions as a card can be realized.

In addition, by varying the composition of the metal material it is possible to implement a variety of rigidity and elasticity according to the use of the card and the user's taste, and the appropriate method among the processing methods such as joining, casting, pressing, cutting, including welding the metal sheet body. Another effect is that it can be selectively applied to form a solid sheet formed integrally.

In addition, it is possible to express various patterns and characters through a simple machining process that scratches or polishes the surface of the metal sheet body, and various surface shapes, patterns or characters can be expressed in three dimensions by embossing. There is another effect that it is possible to more easily meet the decoration compared to.

In addition, by manufacturing a metal card by mounting a magnetic bar having a surface portion capable of coating the magnetic tape on the sheet for the metal card, to overcome the limitations of the existing metal card that can not stably bond the magnetic tape of the synthetic resin material to the metal card As a result, in addition to a simple use such as a business card, there are other effects that can be used more widely as a financial card, a membership card, or an identification card.

As the bent portion formed by bending the metal surface layer to a certain shape covers the slit groove, a smooth connection surface that can be more stably connected to the magnetic bar and the fixing piece, as compared with the structure consisting of only the metal sheet body and the slit groove. To provide a, the bonding of the metal card sheet and the magnetic bar can be made more robust, and there is another effect that the magnetic bar can be more stably mounted inside the slit groove.

In addition, in giving a three-dimensional aesthetic by expressing patterns or letters on the surface of the metal card or by embossing, only the metal surface layer having a thickness thinner than the metal sheet body is scratched or polished without the need to process the metal sheet body itself, There is another effect that embossing makes it easier to express patterns, characters, surface shapes and textures.

The sheet 100 for a metal card according to the present invention includes a metal sheet body 110, a slit groove 120, and a metal surface layer 130, and includes at least one of both surfaces of the metal sheet body 110 made of a metal material. The slit groove 120 is recessed on one surface thereof, and the metal surface layer 130 has a structure covering and covering the surfaces of the metal sheet body 110 and the slit groove 120.

The metal sheet body 110 is a component corresponding to the main body of the card, and is formed by processing the metal material to form a thin plate shape. The difference in general perception can be used to realize a higher quality aesthetic that cannot be realized with conventional plastic materials.

If the metal sheet body 110 is composed of gold and silver materials that are recognized as a value of jewelry, the metal card according to the present invention having the metal sheet body 110 may also have a value such as jewelry or ornaments. A mysterious aesthetic can be formed by using a material that can be iridescent or realize a different color depending on the angle of reflection, or by coating the surface to emphasize the reflective properties of the metal.

As the rigidity and elasticity of the metal material can be used as it is, the composition of the alloy material can be different so that the shape or rigidity of the shape can not be deformed even when a strong external force is applied to the purpose of the card and the user's taste. It is possible to implement a variety of stiffness and elasticity, to be able to be elastically bent yet perfectly returned to its original form.

In addition, by differently forming the texture through a simple machining that scratches or polishes the surface of the metal sheet body 110 made of a metal material, various patterns or letters may be expressed, and the sheet-shaped metal sheet body 110 is formed. ) Can be embodied in a variety of three-dimensional surface form by embossing, it can be easily expressed in three-dimensional by using a plastic material of patterns and letters.

The slit groove 120 is a component recessed in one surface of the metal sheet body 110 to provide a space in which the magnetic bar 200 can be mounted on the metal sheet body 110. The groove 120 has a rectangular cross-sectional shape with a constant width across the entire depth, or has a cross-sectional shape with a relatively narrow width at the bottom compared to the open side located adjacent to the outer surface of the metal sheet body 110. .

In forming the slit groove 120 in a cross-sectional shape having a relatively narrow horizontal width at the bottom of the slit groove 120 as compared to the open side located adjacent to the outer surface of the metal sheet body 110, the slit groove 120 is the slit groove According to the position of the depth of 120 and divided into the bottom portion and the open portion, or the bottom portion and the middle portion and the open portion, the side of the slit groove 120 and the bottom portion and the open portion, or the bottom portion and the middle portion and The opening may be implemented in various embodiments including embodiments in which the openings are formed in multiple stages to have different widths or inclined sides of the slit grooves 120.

The metal surface layer 130 includes a bent portion 131 that is bent into the slit groove 120 and is coupled to one or both surfaces of the metal sheet body 110, and the bent portion of the metal surface layer ( 131, preferably has a shape corresponding to the slit groove 120 to be hermetically connected to both sides and the bottom surface of the slit groove 120.

When the sheet for the metal card is composed only of the metal sheet body 110 and the slit groove 120, in particular, when the metal sheet body 110 is composed of a plurality of layers, the sheet may be processed by a processing error of the sheet. It is difficult to form the inner surface of the slit groove 120 smoothly, provided with the metal surface layer 130, the bent portion 131 covers the slit groove 120 while fixing the magnetic bar 200 (described below) and fixed The piece 300 (described below) provides a smooth connection surface that can be connected stably.

As described above, the bent portion 131 of the metal surface layer smoothly finishes the surface of the slit groove 120, so that the bonding between the metal card sheet 100 and the magnetic bar 200 can be made more firm. Accordingly, the magnetic bar 200 may be more stably mounted inside the slit groove 120.

In addition, in providing a three-dimensional aesthetic by expressing a pattern, a letter or embossing the surface of the metal card, without having to process the metal sheet body 110 itself, a thin thickness compared to the metal sheet body 110 Branches can easily express patterns, characters, surface shapes and textures by only scratching, polishing or embossing the metal surface layer 130.

Metal card according to the present invention, the metal card sheet 100 and the magnetic bar 200 of the configuration as described above largely, the magnetic bar 200 is provided with a surface portion capable of coating a magnetic tape to the metal It has a structure coupled to the bent groove 131a formed by the bent portion 131 of the card sheet.

The magnetic bar 200 includes a portion including one side to which the magnetic tape is bonded to allow the magnetic tape to be stably coated on one surface of which is exposed to the outside together with the outer surface of the metal sheet body 110 as a synthetic resin material. It is preferable that the other part is made of a metal material so as to be firmly bonded to the metal surface layer 130 by joining processing including spot welding and brazing.

By providing the magnetic bar 200 having the structure as described above, it is possible to overcome the limitation that the conventional magnetic tape of the synthetic resin material can not be stably bonded to the card of the metal material, and thus, in addition to the simple use such as business cards, financial cards It can be used more extensively, for example, as a membership card or as an identity card.

Magnetic tape (magnetic tape) is a tape capable of magnetic recording or recording using a permanent magnet, such as a computer, by coating a film on the surface of the magnetic bar 200 exposed to the outside of the slit groove 120 By laminating in the processing (laminating) method to achieve a beautiful gloss and excellent friction strength can be achieved.

Hereinafter, a metal card sheet according to the present invention having the configuration as described above, a metal card having the same and a manufacturing method thereof will be described in more detail with reference to various embodiments.

First, a first embodiment of a metal card sheet 100 according to the present invention and a first embodiment of a metal card having the same will be described with reference to the following drawings.

1 is a perspective view showing a first embodiment of a metal card according to the present invention, Figure 2 is a cross-sectional view taken along the line A-A of Figure 1, Figure 3 is an exploded perspective view of FIG.

In the first exemplary embodiment of the metal card sheet and the metal card, the metal sheet body 110 and the slit groove 120 are formed of a first metal sheet 111 and a second metal sheet 112. The structure of forming the metal sheet body 110 and the slit groove 120 by joining the second metal sheet 112, which is partially cut or formed on at least one surface of both surfaces of the first metal sheet 111, is joined. Have

The first metal sheet 111 has a flat plate shape, the second metal sheet 112 has a plate shape having a thickness corresponding to the depth of the slit groove 120, the slit groove 120 A part is cut into a corresponding shape or a plurality are joined to the first metal sheet 111 in a state in which they are separated from each other in a shape corresponding to the slit groove 120 and separated from each other.

As the slit groove 120 has a rectangular cross-sectional shape and has a length corresponding to the width of the metal sheet body 110, the slit groove 120 has an upper surface in contact with the surface of the metal sheet body 110. As well as having an open shape, the narrow one side and the side portion of the metal sheet body 110 in contact with the other side also has an open shape, so as to fit the magnetic bar 200 from the top, or the magnetic bar from the side (200) can be fitted to assemble.

The metal surface layer 130 has a portion corresponding to the side surface of the slit groove 120 is bent toward the slit groove 120 to form the bent portion 131 having a shape corresponding to the slit groove 120. The magnetic bar 200 is coupled to the metal surface layer 130 while being inserted in a concavely curved space provided by the bent portion 131 of the metal surface layer (hereinafter referred to as the bent groove 131a). .

Next, a second embodiment of a metal card sheet 100 according to the present invention and a second embodiment of a metal card having the same will be described with reference to the following drawings.

Figure 4 is a perspective view showing a second embodiment of the metal card according to the present invention, Figure 5 is a cross-sectional view taken along the line A-A of Figure 4, Figure 6 is an exploded perspective view of FIG.

In the second embodiment of the metal card sheet and the metal card, the metal sheet body 110 has a shape formed integrally, rather than a plurality of sheets joined together as in the first embodiment, and the metal card is The fixing piece 300 is coupled to the metal surface layer 130 in the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet. It has a structure provided with.

If the fixing piece 130 can be fixed on the side surface of the slit groove 120, the material or structure is not particularly limited, but firmly on the metal sheet body 110 by a joining method such as welding or brazing. It is more preferably made of a metal material that can be securely fixed, and the coupling portion with the magnetic bar 200 to bind the magnetic bar 200 formed with a protrusion or a depression in the form of a male or female or to be firmly constrained by a locking jaw. It has a structure protruded or recessed into the groove (131a).

When the fixing piece 130 forms a protrusion in the bending groove 131a, a part of the surface exposed to the internal space of the bending groove 131a is protruded or recessed, or the bending groove 131a is formed. A portion is bent toward the inner space of the slit groove 120 to form a protrusion, or the surface exposed to the inside of the slit groove 120 has a flat shape without protruding or recessed inside the bending groove 131a It has a structure to form a protrusion in the bending groove 131a by itself inserted into.

The fixing piece 130 may be provided only on one side of the slit groove 120 if the magnetic bar 200 can be stably restrained in a state in which the magnetic bar 200 is mounted in the slit groove 120. It is more preferable that the magnetic bar 200 can be more firmly and clearly bonded at both side portions by having a pair having a shape to be connected to both sides of the slit groove 120, respectively.

The slit groove 120 is formed to contact the narrow one side or the other side of the metal sheet body 110, the side along the longitudinal direction of the slit groove 120 on the side of the slit groove 120 When the fixing piece 130 is continuously formed or a plurality of the coupling pieces are spaced apart from each other, the fixing piece 300 may have the slit groove (slit) from the open side of the metal sheet body 110 by the sliding method of the magnetic bar 200. It will also function as a rail to be fitted to 120.

Accordingly, the slit groove 120 is formed to have a length shorter than the width of the metal sheet body 110, and the magnetic bar 200 is inserted from the open side of the slit arc 120 and the plug 300. In performing assembly to close the furnace opening, the card may be more easily manufactured by assembling and binding by a sliding method.

Components overlapping with the first embodiment of the metal card sheet and the metal card are described in detail in the description of the first embodiment, and thus a detailed description thereof will be omitted.

Next, a method of manufacturing a sheet for a metal card having the above configuration will be described, with reference to a flowchart shown in FIG. 7, a first embodiment of a method for manufacturing a sheet for a metal card according to the present invention and the same. A first embodiment of a manufacturing method of a metal card including the above will be described.

The first embodiment of the method for manufacturing a sheet for a metal card according to the present invention comprises a sheet body manufacturing step, a surface layer bonding step, and a bent portion forming step. In the sheet body manufacturing step, a slit groove is formed on at least one surface of both flat surfaces. The metal sheet body 110 having the 120 is formed, and the surface layer bonding step combines the metal surface layer 130 to one or both surfaces of the metal sheet body 110, and in the bending portion forming step, the metal surface layer. Forming a bent portion 131 is bent into the slit groove 120 by bending deformation by pressing the 130 to a shape corresponding to the slit groove 120 at a position corresponding to the slit groove 120. Done.

In the first embodiment of the method of manufacturing a sheet for a metal card according to the present invention, the sheet body manufacturing step is performed as in the first embodiment of the metal card sheet and the metal card according to the present invention. And the slit groove 120 is a suitable method for applying when a plurality of sheets are formed laminated, the first sheet making step, the second sheet making step, it consists of a sheet bonding step.

The first sheet manufacturing step is to produce a flat plate-shaped first metal sheet 111, the second sheet manufacturing step has a thickness corresponding to the depth of the slit groove 120, the slit groove ( 120 is a step of manufacturing a second metal sheet 112 of the plate shape or having a plurality of cut-outs corresponding to the shape, the sheet bonding step is on at least one surface of both sides of the first metal sheet 111 The second metal sheet 112 is connected to each other by spot welding and joining including brazing.

In manufacturing the first embodiment of the metal card according to the present invention, the bent groove 131a in which the magnetic bar 200 is formed by the bent portion 131 of the metal surface layer in the manufacturing method of the metal card sheet as described above. By additionally carrying out the magnetic bar bonding step of bonding to the metal surface layer 130 while being inserted into the metal surface layer, the structure of the first embodiment of the metal card according to the present invention can be simply implemented.

Next, a second embodiment of a method of manufacturing a sheet for a metal card according to the present invention and a second embodiment of a method of manufacturing a metal card including the same will be described with reference to the flowchart shown in FIG. 8.

The second embodiment of the method for manufacturing a sheet for a metal card according to the present invention comprises a sheet body manufacturing step, a surface layer manufacturing step, and a surface layer bonding step. In the sheet body manufacturing step, a slit groove ( 120 is formed, the metal sheet body 110 is formed, and in the surface layer manufacturing step, a portion of the metal surface layer 130 having a flat and flat sheet shape is bent by a press process into a shape corresponding to the slit groove 120. Deformation forms a bent portion 131 that can be inserted into the slit groove 120, and in the surface layer bonding step, the metal surface layer having the bent portion 131 formed on one side or both sides of the metal sheet body 110. 130 will be combined.

In the second embodiment of the method of manufacturing a sheet for a metal card according to the present invention, the sheet body manufacturing step may include the metal sheet body 110 as in the second embodiment of the metal card sheet and the metal card according to the present invention. Is a method suitable for application in the case of having an integral structure, either integrally formed by casting, by press working to press a metal material with high pressure, or by cutting or grinding the surface of a metal plate by a processing method such as milling. Can be produced.

In forming the metal sheet body 110 and the slit groove 120 by casting, the metal sheet body 110 and the slit groove (using a mold formed with a protrusion corresponding to the shape of the slit groove 120) It is preferable to simultaneously form 120).

In forming the metal sheet body 110 and the slit groove 120 by press working, a sheet body manufacturing step of manufacturing the metal sheet body 110 into a flat plate shape, and the metal sheet body 110 It is preferable to include a pressing step of pressing the slit groove 120 by pressing on at least one surface of both sides.

In forming the metal sheet body 110 and the slit groove 120 by a processing method such as milling, a sheet body manufacturing step of manufacturing the metal sheet body 110 into a flat plate shape, and the metal sheet body ( It is preferable to include a milling step of shaping the slit groove 120 by cutting or grinding on at least one surface of both sides of the 110.

In addition, the second embodiment of the method for manufacturing a sheet for a metal card according to the present invention has a protrusion in the bent groove 131a formed by the bent portion 131 of the sheet for the metal card as compared with the first embodiment. The fixing piece 300 further includes a fixing piece coupling step of coupling the fixing piece 300 to the metal surface layer 130 in the bending groove 131a to form.

In manufacturing the second embodiment of the metal card according to the present invention, the bent groove 131a in which the bent portion 131 of the metal surface layer forms the magnetic bar 200 in the method of manufacturing a sheet for a metal card as described above. By additionally carrying out the magnetic bar bonding step of bonding to the metal surface layer 130 in the state of being inserted into, it is possible to simply implement the structure of the second embodiment of the metal card according to the present invention.

Components overlapping with the first embodiment of the metal card sheet and the metal card manufacturing method are described in detail in the description of the first embodiment, and thus the detailed description thereof will be omitted.

In forming the metal surface layer 130 and the bent portion 131 in the present invention, in consideration of the use of the card and the user's taste, manufacturing conditions, etc. of the manufacturing method of the metal card sheet and metal card according to the present invention The metal surface layer 130 and the bent portion 131 are formed through the surface bonding step and the bent portion forming step as in the first embodiment, or the metal is produced through the surface manufacturing step and the surface bonding step as in the second embodiment. The surface layer 130 and the bent portion 131 may be formed.

In addition, in forming the metal sheet body 110, the slit groove 120, the metal surface layer 130, the magnetic bar 200, the fixing piece 300, and bonding each of the separately manufactured, spot welding By appropriately applying a variety of metal processing methods, such as metal bonding processing, casting, pressing, milling, including brazing, it is possible to manufacture a sheet metal sheet and a metal card according to the invention in a solid sheet form integrally.

The present invention has been described with reference to preferred embodiments of the present invention, but the present invention is not limited to these embodiments, and the claims and detailed description of the present invention together with the embodiments in which the above embodiments are simply combined with existing known technologies. In the present invention, it can be seen that the technology that can be modified and used by those skilled in the art are naturally included in the technical scope of the present invention.

1-a perspective view showing a first embodiment of a metal card according to the present invention

Fig. 2-Section A-A of Fig. 1

3-exploded perspective view of FIG. 1

4-a perspective view showing a second embodiment of a metal card according to the present invention

5-4 is a cross-sectional view taken along the line A-A

Figure 6-exploded perspective view of Figure 4

7-flowchart showing a first embodiment of the metal card manufacturing method according to the present invention

8-flowchart showing a second embodiment of the metal card manufacturing method according to the present invention;

<Description of Major Symbols Used in Drawings>

100: sheet for metal card 110: metal sheet

111: first metal sheet 112: second metal sheet

120: slit groove 130: metal surface layer

131: bending portion 131a: bending groove

200: magnetic bar 300: fixed piece

400: stopper

Claims (14)

Metal sheet body 110; A slit groove 120 recessed in at least one surface of both surfaces of the metal sheet body 110; And A metal surface layer 130 having a bent portion 131 that is bent into the slit groove 120 to be coupled to one surface or both surfaces of the metal sheet body 110; Metal card sheet 100, characterized in that comprises a. The method of claim 1, wherein the bent portion 131 of the metal surface layer, The sheet 100 for metal card, characterized in that the slit groove 120 has a shape that can be connected to both sides and the bottom surface. The metal sheet body 110, a slit groove 120 recessed in at least one surface of both surfaces of the metal sheet body 110, and a bent portion 131 bent into the slit groove 120. A metal card sheet 100 having a metal surface layer 130 bonded to one or both surfaces of the sheet body 110; And A magnetic bar 200 coupled to the bent groove 131a formed by the bent portion 131 of the sheet for the metal card; Metal card, characterized in that configured to include. The method of claim 3, wherein A fixing piece 300 coupled to the metal surface layer 130 inside the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet; Metal card, characterized in that further comprises a. A sheet body manufacturing step of manufacturing the metal sheet body 110 having the slit groove 120 formed on at least one surface of both flat surfaces; A surface layer bonding step of bonding the metal surface layer 130 to one surface or both surfaces of the metal sheet body 110; And The metal surface layer 130 is bent in the shape corresponding to the slit groove 120 at the position corresponding to the slit groove 120 by the bending process by the bending process to bend the inside slit groove 120 Forming a bend portion; Method for producing a sheet for a metal card, characterized in that comprises a. The method of claim 5, wherein the sheet manufacturing step, A first sheet manufacturing step of manufacturing a flat plate-shaped first metal sheet 111; A second sheet manufacturing step of manufacturing a second metal sheet 112 having a thickness corresponding to the depth of the slit groove 120 and partially cut or formed separately in a shape corresponding to the slit groove 120; And A sheet bonding step of bonding the second metal sheet 112 to at least one surface of both surfaces of the first metal sheet 111; Method for producing a sheet for a metal card, characterized in that comprises a. The method of claim 5, wherein the sheet manufacturing step, A simultaneous forming step of simultaneously forming the metal sheet body 110 and the slit groove 120 by casting using a mold having a protrusion corresponding to the shape of the slit groove 120; Method for producing a sheet for a metal card, characterized in that comprises a. The method of claim 5, wherein the sheet manufacturing step, A sheet body manufacturing step of manufacturing the metal sheet body 110 into a flat plate shape; And A press step of pressing and forming the slit groove 120 by press working on at least one surface of both surfaces of the metal sheet body 110; Method for producing a sheet for a metal card, characterized in that comprises a. The method of claim 5, wherein the sheet manufacturing step, A sheet body manufacturing step of manufacturing the metal sheet body 110 into a flat plate shape; And  A milling step of shaping the slit groove 120 on at least one surface of both surfaces of the metal sheet body 110 by cutting or grinding; Method for producing a sheet for a metal card, characterized in that comprises a. A sheet body manufacturing step of manufacturing the metal sheet body 110 having the slit groove 120 formed on at least one surface of both flat surfaces; A portion of the metal surface layer 130 having a flat and flat sheet shape is bent and deformed by press working into a shape corresponding to the slit groove 120 to be inserted into the slit groove 120. Forming a surface layer; And A surface layer bonding step of bonding the metal surface layer 130 having the bent portion 131 formed on one or both surfaces of the metal sheet body 110; Method for producing a sheet for a metal card, characterized in that comprises a. A sheet body manufacturing step of manufacturing the metal sheet body 110 having the slit groove 120 formed on at least one surface of both flat surfaces; A surface layer bonding step of bonding the metal surface layer 130 to one surface or both surfaces of the metal sheet body 110; The metal surface layer 130 is bent in the shape corresponding to the slit groove 120 at the position corresponding to the slit groove 120 by the bending process by the bending process to bend the inside slit groove 120 Forming a bend portion; And A magnetic bar coupling step of coupling the magnetic bar 200 to the metal surface layer 130 while being inserted into the bent groove 131a formed by the bent portion 131 of the metal surface layer; Method of producing a metal card, characterized in that comprises a. The method of claim 11, Fixing to couple the fixing piece 300 to the metal surface layer 130 in the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet. Partial bonding step; Method of producing a metal card, characterized in that further comprises a. A sheet body manufacturing step of manufacturing the metal sheet body 110 having the slit groove 120 formed on at least one surface of both flat surfaces; A portion of the metal surface layer 130 having a flat and flat sheet shape is bent and deformed by press working into a shape corresponding to the slit groove 120 to be inserted into the slit groove 120. Forming a surface layer; A surface layer bonding step of bonding the metal surface layer 130 having the bent portion 131 formed on one or both surfaces of the metal sheet body 110; And A magnetic bar coupling step of coupling the magnetic bar 200 to the metal surface layer 130 while being inserted into the bent groove 131a formed by the bent portion 131 of the metal surface layer; Method of producing a metal card, characterized in that comprises a. The method of claim 13, Fixing to couple the fixing piece 300 to the metal surface layer 130 in the bent groove 131a to form a protrusion in the bent groove 131a formed by the bent portion 131 of the metal card sheet. Partial bonding step; Method of producing a metal card, characterized in that further comprises a.

Images