JP5734011B2 - Embossing method and system kitchen - Google Patents

Description

  The present invention relates to an embossing method for forming an emboss made of a plurality of convex portions on a metal plate-like member, and a system kitchen including a top plate or a sink to which the embossing method is applied.

  In recent years, a system kitchen having a plurality of storage cabinets (cabinets) under a worktop made of a single top plate has become the mainstream. A worktop (top plate) covering the upper surface of the entire kitchen is provided with a built-in stove, an integrally formed sink, and a cooking space which is a flat table surface mainly used for cooking.

  The top plate of the work top is often composed of a plate member made of metal such as stainless steel having excellent design properties and corrosion resistance. However, since stainless steel is also a kind of metal, the surface is damaged by contact with tableware and cooking utensils over time, although the degree is lower than other metals. In particular, in a large area such as a cooking space, scratches are conspicuous, and the aesthetics are impaired.

  Therefore, in order to reduce scratches and make the scratches inconspicuous, the inventors have intensively studied and it is effective to emboss the cooking space portion where the scratches are particularly noticeable among the top plates of the work top. I thought. Although it is not a cooking space, the embossing to the side of the sink of a kitchen is performed conventionally (for example, patent documents 1). The sink embossed on the side as in Patent Document 1 is made by a method of embossing by first rolling a metal steel plate with a rolling roller having irregularities, and then forming into a sink shape by drawing. Is common.

JP 2004-316195 A

  If embossing is performed on the entire top plate of the worktop of the kitchen, a method using a rolling roller is preferable as in the case of the sink described above. However, when embossing is to be applied only to the cooking space, it is a partial area of the top plate of the worktop, so that it is embossed to an area that is not necessary when using a rolling roller. End up. For this reason, when embossing is performed on a partial area of the top plate of the worktop such as a cooking space, embossing with a rolling roller is not appropriate.

  Therefore, the inventor tried other embossing methods by trial and error, and if a method using a mold (also referred to as press molding) is performed, only a part of the top plate of the worktop is embossed. Prototypes were made using this method. As a result, in such a method, although embossing is preferably performed, the boundary line of the polygon remaining on the top plate can be easily visually recognized by a polygonal mold (mainly a quadrangle in many cases). Therefore, it was difficult to say that the design was excellent.

  In view of such problems, an object of the present invention is to provide an embossing method and a system kitchen capable of improving the design of a product when embossing is formed using a mold.

In order to solve the above problems, a typical configuration of an embossing method according to the present invention is an embossing method for forming an emboss made of a plurality of protrusions on a metal plate-like member, and a plurality of protrusions There a mold having a pattern of substantially L-shape is continuous rectangle two sides of the rectangle which are regularly arranged, is pressed against the plate-like member to form a plurality of convex portions, the plate-like member by pressing The method further includes repeating the pressing of the mold by aligning the sides of the mold pattern so as to be adjacent to the boundary line that is the outline of the substantially L-shaped pattern generated in the above.

  According to the above configuration, for example, when a square is continued on two adjacent sides of one square, the pattern shape of the mold is substantially L-shaped. If the mold having the substantially L-shaped pattern is used, the boundary line of the formed emboss becomes a shape with an L-shaped border. Thereby, unlike the conventional square mold, the straight line formed by the boundary line of the mold is divided into short parts, so that the boundary line is extremely difficult to observe. Therefore, it is possible to improve the design properties of the appearance of the embossed product. In principle, the boundary line is very difficult to observe, but depending on the viewer, the boundary line may be recognized. Even in such a case, if it is the metal mold | die of this invention, since the boundary line of the emboss formed by it becomes a substantially L shape as mentioned above, the boundary line is like a kind of pattern. Can show. Therefore, even if the boundary line is observed, the aesthetic appearance is not impaired.

In order to solve the above problems, another configuration of the embossing method according to the present invention is an embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member, wherein the plurality of projecting portions are provided. A mold having a substantially T-shaped pattern in which squares are continuously arranged on three sides of regularly arranged squares is pressed against the plate-like member to form a plurality of convex portions. It is characterized by repeating the pressing of the mold by aligning the sides of the mold pattern so as to be adjacent to the boundary line which is the outline of the generated substantially T-shaped pattern. Even when the pattern shape of the mold is substantially T-shaped, if a surface is formed by combining these, a straight line is not continuous at the boundary line, so that the boundary line is extremely difficult to observe.

In order to solve the above problems, another configuration of the embossing method according to the present invention is an embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member, wherein the plurality of projecting portions are provided. A mold having a substantially cross-shaped pattern in which a square is continuously arranged on all four sides of a regularly arranged square is pressed against the plate-like member to form a plurality of convex portions, and the plate-like member is pressed by pressing. It is characterized by repeating the pressing of the mold by aligning the sides of the mold pattern so as to be adjacent to the boundary line that is the outline of the generated substantially cross-shaped pattern. Even if the pattern shape of the mold is made substantially cross-shaped, if a surface is formed by combining these, the straight line will not be continuous at the boundary line, so the boundary line will be extremely difficult to observe.

In order to solve the above problems, another configuration of the embossing method according to the present invention is an embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member, wherein the plurality of projecting portions are provided. A mold having a pattern in which hexagons are continuously arranged on one side of regularly arranged hexagons and one or more hexagons are further continued on a side not facing the continuous side is pressed against the plate-like member. Forming a plurality of convex portions and repeating the pressing of the mold by aligning the side of the mold pattern so that it is adjacent to the boundary that is the outline of the pattern generated on the plate member by the pressing. Features.

  Even in the case of a mold having a pattern in which a plurality of hexagons are continuous as in the above configuration, it is possible to obtain the same effect as in the case where the above-described squares are continuous.

  In order to solve the above problems, a typical configuration of a system kitchen according to the present invention is a system kitchen including a top plate or a sink made of a metal plate-like member, and a part of the top plate or the sink includes: The embossing which consists of a some convex part is formed by the embossing method mentioned above, It is characterized by the above-mentioned.

  Thereby, since it becomes difficult to observe the boundary line at the time of embossing in a top plate as mentioned above, it becomes possible to improve the designability of a system kitchen. The same effect can be obtained in the sink.

  ADVANTAGE OF THE INVENTION According to this invention, when forming embossing using a metal mold | die, the embossing method and system kitchen which can improve the designability of a product can be provided.

It is a figure which shows a kitchen provided with the top plate to which the embossing method concerning this embodiment was applied. It is a figure which shows the top plate to which the embossing method concerning this embodiment is applied. It is a figure which illustrates the pattern which the male type | mold which is a metal mold | die used for the embossing method concerning this embodiment has. FIG. 4 is a usage diagram of a male mold having the pattern shown in FIG. 3. It is the schematic explaining the embossing method concerning this embodiment. It is a figure which shows the surface of the top plate at the time of embossing. It is a figure which illustrates the other pattern shape of the metal mold | die used for the embossing method of this embodiment. It is a figure which illustrates the other pattern shape of the metal mold | die used for the embossing method of this embodiment. It is a figure which illustrates the pattern which made the hexagon continue. It is a figure which illustrates the pattern which made the hexagon continue. It is a figure which illustrates the pattern which made the hexagon continue. It is a figure which illustrates the pattern which made the hexagon continue.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

(kitchen)
FIG. 1 is a view showing a kitchen including a top board to which the embossing method according to the present embodiment is applied. The kitchen 100 is a so-called system kitchen provided with a plurality of storage cabinets (cabinets) under one top plate 110 (work top). The top plate 110 is made of a metal such as stainless steel and covers the entire upper surface of the kitchen 100. In addition, the top plate 110 is provided with a stove 112 attached in a built-in manner, a cooking space 114 which is a flat table surface and used mainly for cooking, and a sink 116 integrally formed with the top plate 110.

  Under the top plate 110, the storage cabinet includes a stove cabinet 120 in which the main body of the stove 112 is installed, a base cabinet 130 corresponding to the cooking space 114, and a sink cabinet 140 in which the sink 116 is installed. Each storage box functions as a storage space, and an empty space in the storage box also contains wiring to the stove 112, a water supply / drain pipe to the sink 116 and the faucet, and the like.

(Top plate 110 and embossing method)
Next, the embossing method according to the present embodiment and the top plate 110 to which the embossing method is applied will be described. FIG. 2 is a view showing the top plate 110 to which the embossing method according to the present embodiment is applied, FIG. 2 (a) is a top view of the top plate 110, and FIG. 2 (b) is FIG. It is AA sectional drawing of).

  The top plate 110 shown in FIG. 2A is manufactured by bending a single plate metal plate member into a predetermined shape in the depth direction of the kitchen 100 as shown in FIG. 2B. The The top plate 110 is formed with an opening 112a for assembling the above-described stove 112 and an opening 116a for assembling the sink 116. Between the openings 112a and 116a, a region 114a (a region surrounded by a broken line) to be the cooking space 114 described above is provided. In the present embodiment, the region 114a is provided with an emboss made of a plurality of convex portions. Form.

  In this embodiment, the case where the emboss is formed in the region 114a will be described as an example. However, the emboss may be formed not only in the region 114a but also in other regions. Examples of other regions include a region 114b adjacent to the opening 112a and a region 114c adjacent to the opening 116a. In these regions 114b and 114c, tableware, cooking utensils, and the like may be placed. By forming embosses there, the effect of reducing scratches and making the scratches inconspicuous can be obtained.

  In the present embodiment, for forming the emboss in the region 114a, a male mold 190 and a female mold 180 (see FIG. 4) described later are used. FIG. 3 is a diagram illustrating a pattern 150 included in a male mold 190 which is a mold used in the embossing method according to the present embodiment. FIG. 3A is a top view of the pattern 150, and FIG. FIG. 3B is a sectional view taken along line BB in FIG.

  In the pattern 150 shown in FIG. 3A, a quadrangle 150b (region surrounded by a thick dashed line) having the same shape as the quadrangle 150a is continuously connected to four sides of one quadrangle 150a (region surrounded by a thick broken line). It has a substantially cross shape. In the pattern 150, a plurality of protrusions 152 having the same number and shape as the embosses formed in the region 114a are regularly arranged. The protrusions 152 protrude upward as shown in FIG. Yes.

  In the example of FIG. 3, the squares 150a and 150b are squares, but may be rectangular. The quadrangle 150a and the quadrangle 150b do not necessarily have the same shape, and may be a combination of a square and a rectangle in which one is a square and the other is a rectangle.

  FIG. 4 is a view showing how the male mold 190 having the pattern 150 shown in FIG. 3 is used. As shown in FIG. 4A, the pattern 150 shown in FIG. 3 is actually disposed on the front end surface 190a of the male mold 190 used during press molding. That is, the male mold 190 of the present embodiment is a mold having a pattern 150 in which squares 150a and 150b in which a plurality of protrusions 152 are regularly arranged are continuous.

  In the embossing method according to the present embodiment, a mold having a shape corresponding to the pattern 150 of the male mold 190 is used as the female mold 180 as schematically shown in FIG. The female die 180 is formed with a step 184 having a lower height inside the outer edge 182. The details of the step 184 will be described later.

  4B and 4C, the surface (tip surface 190a) on which the pattern 150 of the male mold 190 is disposed is opposed to the female mold 180, and the male mold 190 is moved in the direction of the arrow. By moving, an emboss is formed on the top plate 110 as will be described later.

  In FIG. 4B, the upper mold disposed above the top plate 110 is a female mold 180, and the lower mold disposed below the top plate 110 is a male mold 190. In FIG. The upper mold is a male mold 190 and the lower mold is a female mold 180. That is, FIG. 4B illustrates a case where the top plate 110 is pushed out from below to form an upward embossing, and in FIG. 4C, the top plate 110 is pushed out from above and embossed downward. The case of forming is illustrated. In the following description, the case where the upper mold is the female mold 180 and the lower mold is the male mold 190 as shown in FIG. 4B is illustrated, but the present invention is not limited to this, and FIG. 4B and FIG. In any arrangement of c), embossing can be suitably formed on the top plate 110.

  FIG. 5 is a schematic diagram for explaining an embossing method according to the present embodiment. In the embossing method according to the present embodiment, first, as shown in FIG. 5A, the surface on which the protruding portion 152 of the male mold 190 is formed (the surface having the pattern 150) is disposed below the female mold 180. The male mold 190 is pressed against the top plate 110 as shown in FIG. 5B so as to face the back surface 110b of the top plate 110 (plate-shaped member). Then, the portion corresponding to the projecting portion 152 in the top plate 110 is deformed by the pressure at the time of pressing, and a plurality of convex portions projecting upward on the surface 110a of the top plate 110 as shown in FIG. 5C. 118a (hereinafter, an aggregate of the plurality of convex portions 118a is referred to as an emboss 118).

  At this time, since the female mold 180 has the stepped portion 184 as described above, the convex portion 118a (embossed 118) formed on the top plate 110 by pressing the male mold 190 as shown in FIG. ) Is escaped. Thereby, it is possible to prevent the emboss 118 formed on the top plate 110 from being crushed by the pressure of the male mold 190.

  FIG. 6 is a diagram illustrating the surface of the top plate 110 during embossing. Note that the boundary line 118b of the emboss 118 formed by the molds (the female mold 180 and the male mold 190) at the time of the above-described embossing is extremely difficult to observe, but a thin solid line is used for easy understanding. Show. For convenience of illustration, the plurality of convex portions 118a are not shown.

  When the male mold 190 is pressed against the top plate 110 as described above, a substantially cross-shaped emboss 118 is formed in the region 114a as shown in FIG. At this time, since the shape of the pattern 150 of the male mold 190 is substantially cross-shaped, the boundary line 118b (contour) of the formed emboss 118 has a cross-edged shape.

  After forming the emboss 118 (convex portion 118a) in the region 114a as shown in FIG. 6A, next, on the side of the boundary line 118b of the formed emboss 118, that is, on the outer peripheral side of the plurality of convex portions 118a. The male mold 190 is further pressed so as to be adjacent to each other (see FIG. 5B). Thereby, as shown in FIG.6 (b), the two embossing 118 which has the cross-shaped boundary line 118b is formed. By repeating this operation, as shown in FIG. 6C, the emboss 118 is formed on the entire surface of the region 114a.

  FIG. 6D is a diagram illustrating a top plate in which embossing is formed using a mold (not shown) having a simple rectangular pattern as in the prior art. When a simple rectangular mold is used, as shown in FIG. 6 (d), the boundary line 18b of the emboss 18 is continuous in the width direction and depth direction of the kitchen 100 (vertical direction and horizontal direction in the drawing). . For this reason, the boundary line 18b is easily visually recognized by the user, and it is difficult to say that the design is excellent.

  On the other hand, the boundary line 118b of the emboss 118 formed by using the male mold 190 which is a mold having a pattern 150 formed by combining a plurality of quadrangles as in the present embodiment is as shown in FIG. Therefore, the straight line formed by the boundary line 118b in the width direction and the depth direction of the kitchen 100 is shortly divided. Therefore, since the boundary line 118b of the emboss 118 is extremely difficult to observe, it is possible to improve the design of the appearance of the kitchen 100 (product). Moreover, even if the boundary line 118b of the emboss 118 shown in FIG. 6C is recognized, it can be seen as a kind of pattern, so that the aesthetic appearance is not impaired.

  The range of the region 114a is preferably matched to the width of the stove 112 (width of the opening 112a) or matched to the width of the sink 116 (width of the opening 116a). Thereby, the strip | belt-like continuity can be given to the external appearance of the top plate 110. FIG. That is, by providing the emboss 118 partially, the emboss 118 which is a functional structure can be used as a decoration, and the aesthetic appearance can be improved.

  Note that the timing for applying the embossing method of the present embodiment to the top plate 110 is preferably after the opening 112a and the opening 116a are formed on the single top plate 110. Then, the top plate 110 is manufactured by bending the emboss 118 after forming the emboss 118 by the embossing method. However, the embossing method is not limited to this, and the embossing method can also be applied at other stages such as before the opening 112a and the opening 116a are formed or before the top plate 110 is bent.

  Here, in the pattern 150 described above, the same shape of the quadrangle 150b is continuously formed on all four sides of the single quadrangle 150a. However, the present invention is not limited to this. The above-described advantages can be obtained even with a pattern in which the same shape of the quadrangle 150b is continued on at least two adjacent sides of one quadrangle 150a.

  7 and 8 are diagrams illustrating other pattern shapes of the mold used in the embossing method of the present embodiment. FIG. 7A is a top view of the first pattern having another shape, and FIG. 7B is an emboss formed by using a male mold (mold) having the pattern of FIG. It is a figure which shows the surface of the top plate 110. FIG. FIG. 8A is a top view of a second pattern having another shape, and FIG. 8B is an emboss formed using a male mold (mold) having the pattern of FIG. It is a figure which shows the surface of the top plate 110. FIG. In addition, about the element which has the same function and structure as each component of embodiment demonstrated above, description is abbreviate | omitted by attaching | subjecting the same code | symbol. Moreover, although illustration is abbreviate | omitted, it cannot be overemphasized that it arrange | positions in the front end surface 190a of the male type | mold 190 also in any pattern demonstrated below.

  In the pattern 160 shown in FIG. 7A, a rectangle 150b (region surrounded by a thick dashed line) having the same shape as the rectangle 150a is connected to two sides of one rectangle 150a (region surrounded by a thick broken line). It is substantially L-shaped. According to this pattern 160, the boundary line 118b of the emboss 118 formed in the region 114a has an L-shaped border as shown in FIG. Therefore, the same advantages as described above can be obtained.

  In the pattern 170 shown in FIG. 8A, a rectangle 150b (region surrounded by a thick dashed line) having the same shape as that of the rectangle 150a is connected to three sides of one rectangle 150a (region surrounded by a thick broken line). It is substantially T-shaped. According to this pattern 170, the boundary line 118b of the emboss 118 formed in the region 114a has a T-shaped shape as shown in FIG. 7B. This also provides the same advantages as described above.

  As described above, the patterns 150 to 170 in which the plurality of quadrangles 150a and 150b are continuous have been described. However, as described below, the above-described quadrangles 150a and 150b are continuous even in a pattern in which a plurality of hexagons are continuous. It is possible to obtain the same effects as those of the patterns 150 to 170 that have been made.

  9, 10, 11, and 12 are diagrams illustrating patterns in which hexagons are continuous. In addition, about the element which has the same function and structure as the component of embodiment mentioned above, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  The pattern 210 shown in FIG. 9A has hexagons 202b and 202c (area surrounded by a thick dashed line) having the same shape as the hexagon 202a on two sides of one hexagon 202a (area surrounded by a thick broken line). ) Is a continuous shape. In detail, in the pattern 210, the hexagon 202b is continued on one side of the hexagon 202a, and the hexagon 202c is further continued on the side not facing the side where the hexagon 202b is continued in the hexagon 202a. In particular, the hexagons 202b and 202c are arranged on two adjacent sides in the hexagon 202a.

  According to the pattern 210, the boundary line 118b of the emboss 118 formed in the region 114a has a shape as shown in FIG. 9B, and the straight line formed by the boundary line in the width direction and the depth direction of the kitchen 100 is short. Divided. Therefore, as described above, the effect of making it difficult to observe the boundary line 118b of the emboss 118 and the effect of making it appear as a kind of pattern are obtained, and the design of the appearance of the kitchen 100 (product) is improved. Can do.

  Here, the hexagon 202b and the hexagon 202c are continuously connected to the sides that are not opposed to each other in the hexagon 202a. When the hexagon 202b and the hexagon 202c are continued to the opposite sides of the hexagon 202a, the pattern is This is because the hexagons 202a to 202c are arranged in a straight line. Although illustration is omitted, if it is such a shape, the boundary line of the emboss formed by pressing it a plurality of times becomes a zigzag straight line in the width direction or depth direction of the kitchen 100. Then, although it is more difficult to confirm than the boundary line 18b (see FIG. 6 (d)) when embossing is formed using a simple rectangular mold (not shown) as in the prior art, the zigzag boundary line is It is not preferable because it is difficult to look like.

  A pattern 220 shown in FIG. 10 is a modification of the pattern 210 shown in FIG. In the pattern 210 shown in FIG. 9, hexagons 202b and 202c are arranged (continuous) on two adjacent sides in one hexagon 202a, whereas in the pattern 220 shown in FIG. Hexagons 202b and 202c are arranged on the sides that are not adjacent to each other among the six sides of the square 202a (the region surrounded by the thick broken line). According to this pattern 220, the boundary line 118b of the emboss 118 formed in the region 114a has a shape as shown in FIG. 10B, and the same advantage as described above can be obtained.

  A pattern 230 shown in FIG. 11 is also a modification of the pattern 210 shown in FIG. In the pattern 210 shown in FIG. 9, hexagons 202b and 202c are arranged on two adjacent sides in one hexagon 202a, whereas in the pattern 230 shown in FIG. 11A, hexagons 202b and 202c are arranged. In addition, a hexagon 202d is further arranged adjacent to the hexagon 202c. These hexagons 202b to 202d are all arranged on the sides of the hexagon 202a that are not opposite to each other. According to this pattern 230, the boundary line 118b of the emboss 118 formed in the region 114a has a shape as shown in FIG. 11B, and the same advantage as described above can be obtained.

  A pattern 240 shown in FIG. 12 is a modification of the pattern 220 shown in FIG. In the pattern 220 shown in FIG. 10, the hexagons 202b and 202c are arranged on the sides that are not adjacent to each other and not opposed to each other in the hexagon 202a, whereas in the pattern 240 shown in FIG. In addition to 202 and 202c, a hexagon 202d is further arranged on the side not facing them. According to this pattern 240, the boundary line 118b of the emboss 118 formed in the region 114a has a shape as shown in FIG. 12B, and the same advantage as described above can be obtained.

  In addition, in this embodiment, although the top plate 110 which comprises the kitchen 100 was illustrated as an object to which the embossing method concerning this invention is applied, it is not limited to this. The embossing method of the present invention can be applied not only to the top plate 110 of the kitchen 100 but also to the sink 116. In addition, the embossing method is partially formed on the surface of the metal plate member. In this case, it can be suitably used.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  INDUSTRIAL APPLICATION This invention can be utilized for the embossing method and system kitchen which form the emboss which consists of a some convex part in metal plate-shaped members.

18 ... Embossing, 18b ... Borderline, 100 ... Kitchen, 110 ... Top plate, 110a ... Front surface, 110b ... Back surface, 112 ... Stove, 112a ... Opening, 114 ... Cooking space, 114a ... Region, 114b ... Region, 114c ... Area 116, sink 116 a, opening 118, embossed 118 a convex, 118 b boundary line 120 stove cabinet 130 base cabinet 150 pattern 150 a square 150 b square 152 protruding Part, 160 ... pattern, 170 ... pattern, 180 ... female, 184 ... step, 190 ... male, 190a ... tip surface, 202a ... hexagon, 202b ... hexagon, 202c ... hexagon, 202d ... hexagon, 210 ... pattern, 220 ... pattern, 230 ... pattern, 240 ... pattern

Claims (5)

An embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member,
A plurality of protrusions are formed by pressing a mold having a substantially L-shaped pattern in which a square is continuous on two sides of a square in which a plurality of protrusions are regularly arranged, against the plate-like member,
Repeating the pressing of the mold by aligning the sides of the pattern of the mold so as to be adjacent to the boundary line that is the outline of the substantially L-shaped pattern generated in the plate-like member by the pressing. A characteristic embossing method. An embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member,
A plurality of protrusions are formed by pressing a mold having a substantially T-shaped pattern in which a quadrilateral is continuous with three sides of a quadrangle in which a plurality of protrusions are regularly arranged , against the plate member,
Repeating the pressing of the mold by aligning the sides of the mold pattern so as to be adjacent to the boundary line that is the outline of the substantially T-shaped pattern generated in the plate-like member by the pressing. A characteristic embossing method. An embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member,
A plurality of convex portions are formed by pressing a mold having a substantially cross-shaped pattern in which a quadrilateral is continuous on all four sides of a quadrangle in which a plurality of protrusions are regularly arranged , against the plate member,
Repeating the pressing of the mold by aligning the sides of the mold pattern so as to be adjacent to the boundary line that is the outline of the substantially cross-shaped pattern generated in the plate-like member by the pressing. Embossing method. An embossing method for forming an emboss made of a plurality of convex portions on a metal plate-shaped member,
A mold having a pattern in which a hexagon is continued on one side of a hexagon in which a plurality of protrusions are regularly arranged, and one or more hexagons are further continued on a side that does not face the continuous side, Pressing the plate-like member to form the plurality of convex portions,
Embossing characterized by repeating the pressing of the mold by aligning the sides of the pattern of the mold so as to be adjacent to the boundary line that is the outline of the pattern generated in the plate-like member by the pressing Processing method. A system kitchen comprising a top plate or sink made of a metal plate member,
The system kitchen characterized by the embossing which consists of a some convex part by the embossing method of any one of Claim 1 to 4 formed in a part of the said top plate or sink.

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