JP2007296822A - Japanese lacquer style ornamental decorating plate, and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a decorating plate for which a pattern is made to appear in such a manner that a plurality of layers of synthetic resins having different colors are laminated, and a specified carving (recess section) is formed based on data which has been input in advance. <P>SOLUTION: This Japanese lacquer style ornamental decorating plate includes a base material 10 and a decorative layer 11 made of a synthetic resin which is provided on the surface of the base material 10, and at the same time, comprises a plurality of layers having different colors. Then, a recess section 13 having a depth reaching at least the second layer from the surface side of the decorative layer 11 is formed. The recess section 13 is made into a filling layer 15 in which a clear resin is filled, and the clear resin being the same as the filling layer 15 is applied on the surfaces of the filling layer 15 and the decorative layer 11. The formation of the recess section 13 is performed by a laser processing machine based on the data which has been input in advance, and the formation of the recess sections having different depths is made possible by adjusting the output of the laser processing machine. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a carved lacquer-like decorative decorative board and a method for producing the same, and more specifically, carved lacquer-like that can be provided with a recess in a partial region of a decorative layer composed of a plurality of layers of different colors to expose a pattern. The present invention relates to a decorative decorative board and a manufacturing method thereof.

In general, engraving lacquer is a technique of engraving a layer of lacquer that has been painted over, such as vermilion using vermilion lacquer, black lacquer using black lacquer, vermilion, green, brown, safflower green yang using yellow lacquer. ing. This is one of the craft decorations that are drawn with a sword while taking into account the multiple layers of colored lacquer that have been repainted, and has excellent artistic decoration and high value.
As a coating product which coats lacquer repeatedly, it is indicated by patent documents 1, for example.

JP-A-63-88083

However, in the coated product described in Patent Document 1, since the coating is performed a plurality of times with a brush or a spatula, it is difficult to obtain a thick film, and it is difficult to obtain an industrial film such as slow drying and high humidity conditions. There is a drawback that does not have mass production characteristics.
Also, when engraving (recessed parts) in each layer to expose patterns with different colors in each layer, it is common to use a sword, but in this case, not only skill is required for engraving. The productivity in the case of producing a plurality of the same product is extremely low.

[Object of invention]
The present invention has been devised by paying attention to such inconveniences. The purpose of the present invention is to form each layer of different colors constituting the decorative layer as a synthetic resin, and to perform predetermined processing based on pre-input data. An object of the present invention is to provide a decorative lacquer-like decorative decorative board having industrial productivity, which can form a carved pattern (concave part) and expose a pattern.

  In order to achieve the above object, the present invention provides a base material, a synthetic resin decorative layer which is provided on the surface of the base material and is composed of a plurality of layers of different colors, and at least a second layer from the surface side of the decorative layer. It has a configuration in which a recess having a depth reaching up to and a clear resin filling layer filled in the recess are provided.

  In this invention, the said recessed part contains the some recessed part from which depth differs, and can take the structure that each recessed part area | region expresses a different external appearance.

  In addition, the present invention provides a synthetic resin decorative layer composed of multiple layers of different colors on the surface of the base material, and then forms a recess having a depth reaching at least the second layer from the surface side of the decorative layer, Next, a method of filling the concave portion with a clear resin is employed.

  In the method, the concave portion may be formed by a laser processing machine that can be digitally controlled based on data input from the outside.

  In the present invention, as shown in FIGS. 1 and 2, the plate-like base material 10 and at least two layers of different color synthetic resin layers on one surface (upper surface) of the base material 10, that is, the lower layer 11a. And a decorative layer 11 formed by providing an upper layer 11b, a concave portion 13 having a depth reaching from the surface side of the decorative layer 11 to at least the second layer, and a clear resin filling layer 15 filled in the concave portion 13; Based on the configuration with

  The base plate 10 may be made of wood such as plywood, LVL (Laminated Veneer Lumber), or laminated wood, or woody material (engineering wood) such as MDF, particle board, wood powder molding material (plastic wood). Further, the base plate 10 can be configured by laminating, for example, phenol resin-impregnated paper or DAP resin-impregnated paper as the surface decorative material of wood or wood. The decorative layer 11 can be formed by applying unsaturated polyester, urethane, ultraviolet curable resin paint, or the like. In addition, pigments for expressing different colors include pearl, metallic, mica, and the like, and can be freely selected depending on the design of the pattern regardless of organic pigments or inorganic pigments.

  The decorative layer 11 is engraved (recessed) with a specified pattern depth by, for example, a laser of a laser processing machine (laser engraving machine) that can be digitally controlled based on pre-input data. As the laser processing conditions, it is necessary to select optimum conditions depending on the depth of the concave portion of the material to be used.

  On the surface side of the decorative layer 11, a surface layer can be provided by a clear resin paint used for the filling layer 15 filled in the recess 13. It is preferable that the surface of the coating film of the surface layer is ground smoothly and then mirror-finished by gloss buffing.

  According to the present invention, since the decorative layer has a multi-layer structure of different colors using a synthetic resin material, there is no environmental restriction required when applying lacquer, and the decorative layer can be formed in a short time. . And since it was set as the structure which uses a laser, it can respond to a change of a pattern without difficulty, and it becomes possible to suppress a manufacturing cost also as a decorative decorative board of a small number of many kinds.

  Examples of the present invention will be described below.

[Example 1]
As shown in FIG. 3, MDF having a thickness of 20 mm is used as the base material 10, and the base material 10 is made of an unsaturated polyester surfacer resin layer 20 having a thickness of 200 μm and an unsaturated polyester red enamel resin having a thickness of 150 μm. A lower decorative layer 11a and an upper decorative layer 11b made of an unsaturated polyester black enamel resin having a thickness of 150 μm were provided. Unsaturated polyester surfacer resin layer 20 is smoothly ground with # 240 sandpaper after curing and drying, and each layer 11a, 11b of decorative layer 11 is also ground with # 240 sandpaper after curing and drying. The decorative layer 11 formed in this manner is engraved to a depth of about 0.2 mm with an RF excitation sealed carbon dioxide laser (oscillation wavelength 10.6 microns, output 50 w, resolution 500 dpi, laser pulse 500 ppi). Was formed, and a fault of a different color was exposed on the inner periphery of the concave portion 13, and the coating color of the lower decorative layer 11a was exposed on the bottom surface. Then, after the concave portion is degreased and degreased, the concave portion 13 is filled with an unsaturated polyester clear resin to provide a filling layer 15, and the same resin is applied to the surface of the upper decorative layer 11b. After curing and drying, # 400, # 600 The surface layer 16 having a film thickness of 200 μm was formed by sequentially and smoothly grinding with # 800 sandpaper, and polishing buffing and polishing wax finishing were performed.

  The obtained sculptured decorative lacquered decorative board exhibited an appearance similar to the texture seen in the sculptured lacquer craft in the region of the recess 13.

[Example 2]
As shown in FIG. 4, MDF having a thickness of 20 mm is used as the base material 10, and the paint of the unsaturated polyester surfacer resin layer 20 is applied to the base material 10 and dried, and then smoothly ground with sandpaper # 240. The film thickness was 200 μm. A decorative layer 11 was provided on this surface. The decorative layer 11 includes a lower decorative layer 11a made of an unsaturated polyester red enamel resin having a thickness of 100 μm, a lower intermediate layer 11c made of an unsaturated polyester yellow enamel resin having a thickness of 100 μm, and an unsaturated polyester green having a thickness of 100 μm. It consists of an upper intermediate layer 11d made of enamel resin and an upper decorative layer 11b made of unsaturated polyester black enamel resin having a thickness of 100 μm. Each of these layers was ground and smoothed with # 240 sandpaper after curing and drying. The first concave portion 13a and the second concave portion are formed on the decorative layer 11 thus formed with an RF excitation sealed carbon dioxide laser (oscillation wavelength 10.6 microns, output 10w to 60w, resolution 500dpi, laser pulse 500ppi). 13b and the 3rd recessed part 13c were formed. The depths of the recesses 13a to 13c are adjusted to 0.35 mm, 0.25 mm, and 0.15 mm, respectively, by adjusting the output of the gas laser, and a different color fault is exposed on the inner periphery of the recesses 13a to 13c. And a different coating color was exposed on the bottom. After grinding and dust removal, each of the recesses 13a to 13c is filled with an unsaturated polyester clear resin to provide filling layers 15a, 15b, and 15c, and the resin is applied to the surface of the upper decorative layer 11b, and after curing and drying, # A surface layer 16 having a film thickness of 200 μm was formed by sequentially and smoothly grinding with sand paper of 400, # 600, and # 800, and polishing buffing finishing and polishing wax finishing were performed, respectively.

  As compared with Example 1, the obtained decorative decorative board was provided with a variety of patterns and exhibited an excellent appearance.

[Example 3]
As shown in FIG. 5, a 20 mm thick MDF is used as the base material 10, and a mahogany candy having a thickness of 0.5 mm is pasted on the base material 10 as the lower decorative layer 11 a, and the wood is used with # 240 sandpaper. After finishing, fabric coating finish was performed. That is, the surface of the lower decorative layer 11 a was colored by applying the wiping stain 22, further designated color matching was performed with the urethane color wood sealer 23, and color pressing was performed with the urethane sealer 24. After brushing off with # 240 sandpaper, an unsaturated polyester clear resin was applied, cured and dried, and then smoothly ground with # 240 sandpaper to form an intermediate decorative layer 11c made of a clear resin having a thickness of 250 μm. An unsaturated polyester black enamel resin was applied to the surface, cured and dried, and then smoothly ground with # 240 sandpaper to form an upper decorative layer 11b having a thickness of 150 mm. On the decorative layer 11 formed in this way, a recess 13 was formed by an RF excitation sealed carbon dioxide laser (oscillation wavelength 10.6 microns, output 50 w, resolution 500 dpi, laser pulse 500 ppi). The depth of the recess 13 was set to 0.2 mm, and a different-colored fault was exposed on the inner periphery, and a coating layer formed on the surface of the mahogany ridge was exposed on the bottom surface. After the dust removal, the recessed portion 13 is filled with an unsaturated polyester clear resin to provide a filling layer 15, and the resin is applied to the surface of the upper decorative layer 11 b, and after curing and drying, sand of # 400, # 600, # 800 A surface layer 16 having a film thickness of 200 μm was provided by successively and smoothly grinding with paper, and polishing buffing and polishing wax finishing were performed.

  Also in the decorative board obtained in the third example, a different high-quality texture could be obtained by exposing the coating layer formed on the surface of the mahogany candy.

Although the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, the present invention is not limited to this.
That is, the present invention has been particularly shown and described with respect to particular embodiments, but is not limited to the embodiments described above without departing from the scope and spirit of the present invention. Various modifications may be made by those skilled in the art in terms of position, orientation, and other detailed configurations.
Accordingly, the shape, dimensions, thickness, and the like disclosed above are exemplarily described in order to facilitate understanding of the present invention, and do not limit the present invention.

  For example, the present invention suffices if a recess having a depth that reaches at least two layers of a decorative layer that is a multilayer is sufficient, and the depth can be appropriately changed according to the number of layers constituting the decorative layer. it can. Moreover, in the said Example, although the surface layer which consists of clear resin was provided, the said surface layer does not prevent omission. However, when a surface layer is provided as in the above-described embodiment, the decorative layer can be protected and it is advantageous in expressing a sense of depth. Moreover, it is good also as a structure which forms a recessed part in a taper shape and makes it easy to visually recognize the side surface of a recessed part from the outside.

The schematic perspective view of the carved lacquer-like decoration decorative board in this invention. The arrow expanded sectional view which follows the AA line of FIG. The principal part sectional drawing of the carved lacquer-like decorative decorative board which concerns on Example 1. FIG. Sectional drawing of the principal part of the carved lacquer-like decorative decorative board which concerns on Example 2. FIG. Sectional drawing of the principal part of the carved lacquer-like decorative decorative board which concerns on Example 3. FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Base material, 11 ... Cosmetic layer, 13 ... Recessed part, 15 ... Filling layer, 16 ... Surface layer

Claims (4)

A base material, a decorative layer made of a synthetic resin made of a plurality of layers of different colors provided on the surface of the base material, a recess having a depth reaching at least the second layer from the surface side of the decorative layer, and the recess A decorative lacquer-like decorative veneer comprising a filled layer of a clear resin. The engraved lacquer-like decorative decorative board according to claim 1, wherein the recessed portion includes a plurality of recessed portions having different depths, and each recessed region has a different appearance. After providing a synthetic resin decorative layer composed of a plurality of layers of different colors on the surface of the base material, a recess having a depth reaching at least the second layer from the surface side of the decorative layer is formed, and then the recess is cleared. A method for producing a carved lacquered decorative decorative board characterized by filling a resin. The said recessed part is formed with the laser processing machine which can be digitally controlled based on the data input from the outside, The manufacturing method of the sculptured decorative board of Claim 3 characterized by the above-mentioned.

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