JP2018103416A - Method for decorating recess-shape part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for decorating a recess-shape part that can shorten the time for conducting inkjet decoration and reduce an amount of ink usage.SOLUTION: A method for decorating a recess-shape part decorates recess-shape parts 13, 14 formed at a surface of a woody member 10. The woody member 10 has a laminate structure in which a surface decorative material 12 is disposed at a surface of a woody base substrate 11. The woody base substrate 11 is exposed at surfaces of the recess-shape parts 13, 14. The method for decorating a recess-shape part conducts decoration with inkjet for the recess-shape parts 13, 14 after coloring with a color lighter than the color of the woody base substrate 11.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a method for decorating a concave portion, which decorates a concave portion such as a groove or a chamfered portion formed on the surface of a wooden member such as a building material.

  When a groove is formed on the surface of a building material in which surface decorative material is laminated on the surface of a wooden base material, the surface of the groove (processed cross section) if the groove is processed deeper than the surface decorative material In the case, the cross section of the wood-based substrate is exposed. By decorating the exposed cross section of the wooden base material with a color tone or pattern similar or similar to that of the surface decorative material, exposure to the dark surface of the wooden base material can be avoided and a thick surface makeup can be achieved. The material can be expressed, and thereby the design can be improved.

  Conventionally, as a method for decorating such a concave strip portion, an ink-jet decorating technique suitable for decorating a selective target portion such as a concave strip portion on the surface of a building material has been proposed. (For example, refer to Patent Document 1).

Japanese Patent Application Laid-Open No. 2006-73953

  By the way, when the surface decorative material is composed of a veneer or sheet of lighter color than the wooden base material, the dark color of the wooden base material is first ink-jet decorated when decorating the recess Therefore, it is necessary to perform a background process for concealing with white ink. The darker the woody substrate, the thicker the white ink layer must be.

  Thus, when thickening the base layer by white ink, it is necessary to perform the inkjet decoration by white ink several times. Therefore, in such decoration of the concave stripe portion, the process takes a long time, and the amount of ink to be used increases, thereby increasing the cost. In addition, if the number of ink-jet decorations is increased, in the case of a groove, ink accumulation may occur in the groove, and in the case of a chamfered part, ink dripping may occur. May also occur.

  The present invention has been proposed in view of such circumstances, and the object thereof is to provide a method for decorating a concave portion that can reduce the amount of ink used and the amount of ink used. is there.

  In order to achieve the above object, the method for decorating a concave portion of the present invention decorates a concave portion formed on the surface of a wooden member. In the method for decorating a concave portion, the wooden member is made of wood. The surface of the base material is a laminated structure with a surface decorative material, and the wooden base material is exposed on the surface of the concave strip, and the concave strip has a lighter color than the wooden base material. It is characterized by decorating with an ink jet after coloring.

  According to the method for decorating the concave strip portion of the present invention, since it has the above-described configuration, it is possible to reduce the implementation time of ink jet decoration and the amount of ink used.

It is explanatory drawing of the decoration method of the recessed strip part which concerns on one Embodiment of this invention. (A) is a perspective view of the wooden member to be decorated, and (b) is an enlarged schematic longitudinal sectional view corresponding to line XX in (a). (A)-(d) is a principal part longitudinal cross-sectional view which shows the procedure of the decorating method.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  The method for decorating the concave strip portion is a method for decorating the concave strip portions 13 and 14 formed on the surface of the wooden member 10. The wooden member 10 has a laminated structure in which the surface decorative material 12 is arranged on the surface of the wooden base material 11, and the wooden base material 11 is exposed on the surfaces of the concave strips 13 and 14. In the method for decorating the concave strip portion, the concave strip portions 13 and 14 are colored with a lighter color than the wood-based base material 11 and then decorated by inkjet.

  The wooden member 10 that is the object of the method of decorating the concave stripes (hereinafter simply referred to as the decorating method) is a member used for building materials such as floors, walls, ceilings, and construction materials, furniture, crafts, etc. It is. For example, a rectangular plate material for building materials as shown in FIG.

  This wooden member 10 is formed by attaching a surface decorative material 12 to the surface of a rectangular wooden base material 11. As the wood base 11, a plywood, a medium density fiber board (MDF), a particle board or the like is used. As the surface decorative material 12, a wooden board such as a veneer or a saw board or a printed sheet is used.

  As shown to Fig.1 (a), the groove part 13 for joints is formed in the surface of the wooden member 10 vertically and horizontally, and the chamfer part 14 is formed in the four circumferences of the surface side. These concave strips 13 and 14 are both formed by cutting so as to reach the woody base material 11. Therefore, as shown in the enlarged vertical sectional view of FIG. 1A, the processed cross section of the woody base material 11 is exposed on the inner surface of the groove 13 and the chamfered surface of the chamfered portion 14.

  FIG.1 (b) is a figure which shows the expansion longitudinal cross-section of the groove part 13 decorated. 2A to 2D are diagrams showing a procedure for decorating the groove 13. In addition, about the decoration with respect to the chamfering part 14, it is the same as that of the groove part 13, and explanatory drawing corresponding to FIG.1 (b) and FIG. 2 and its description are abbreviate | omitted.

  As shown in FIG.1 (b), the colored layer 21, the sealing layer 22, the decorating layer 23 by the ink jet decorating, and the protective layer 24 are formed in the groove part 13 from the bottom side. The decoration layer 23 is formed by adding a color decoration layer 23b to the base layer 23a. The sealing layer 22 and the protective layer 24 are layers formed not only on the groove 13 but on the entire surface of the wooden member 10.

  Subsequently, the procedure of the decoration method of this groove part 13 is demonstrated, referring FIG. 2 (a)-(d).

  First, the inner surface of the groove 13 is colored with a lighter color than the woody base material 11 (see FIG. 2A). Specific examples of the colorant include an aqueous stain colorant. If it is an aqueous stain colorant, the colorant penetrates into the woody base material 11 when applied, so that it is possible to prevent deterioration of the texture and adhesion of the groove 13. Further, as a coloring treatment means, application with a sponge roller can be mentioned, but other coloring methods may be used.

  Next, the sealing layer 22 is formed on the inner surface of the groove 13 (see FIG. 2B). The sealing layer 22 is for preventing the paint for forming the decorative layer 23 from being infiltrated into the woody base material 11 and the surface decorative material 12. The sealing layer 22 can be formed, for example, by applying a UV curable paint.

  And the decoration by the inkjet system (inkjet apparatus 20) is given to the inner surface of the groove part 13 in which the sealing layer 22 was formed (refer FIG.2 (c) (d)). As inkjet decoration, first, the base layer 23a is formed with white ink (see FIG. 2C). And the color decoration layer 23b is formed in the base layer 23a with a color ink (refer FIG.2 (d)).

  Ink-jet decoration is a technique for expressing colors by using three types of inks of C (cyan), M (magenta), and Y (yellow) (four types may be added in addition to Bk (black)). The color can be expressed by a color index called CMYK (numerical value of 0 to 100), and white has CMYK of 0 (zero). The base layer 23a is formed in a light color with CMYK of 0 or close to it, and by adding color ink to the base layer 23a, the numerical value of CMYK can be increased to express the desired color.

  Since this is a decoration method in which color ink is added to darken the color, when the base (for example, the wood-based base material 11) is other than white (CMYK is greater than 0), C, M, Y , Bk ink cannot express a lighter color than its base. Therefore, it is desirable to form the base layer 23a having CMYK of 0 that can be colored in any color.

  In order to make the inner surface of the groove part 13 where the woody base material 11 is exposed lighter than the color of the woody base material 11, it is necessary to cover the color of the inner surface of the groove part 13 and form the base layer 23a. is there. In order to conceal the dark color of the woody base material 11, it is necessary to thicken the base layer 23 a made of white ink according to the ink jet method. White ink ejection must be repeated many times. In particular, the darker the color of the woody substrate 11, the greater the amount of white ink used to conceal it.

  However, in this decoration method, since the coloring process of a lighter color than the wood base material 11 (see FIG. 2A) is performed before ink jet decoration, the wood base material 11 is concealed thereby. As a result, it is not necessary to thicken the underlying layer 23a to be formed thereafter. Therefore, the amount of white ink used can be reduced.

  After the ground treatment, decoration with color ink is performed by an ink jet method (see FIG. 2D). In this way, by adding various color inks to the base layer 23a made of white ink, a target color can be expressed.

  By decorating the color ink, it is possible to decorate the inner surface of the groove portion 13 with a color tone or a pattern equivalent or similar to the surface decorative material 12. As a result, it is possible to avoid exposure of the wooden base material 11 to the surface of the dark color, to avoid coloration, and to express the thick surface decorative material 12 by decorating the inner surface of the groove portion 13. it can. In this way, the design of the surface of the wood member 10 including the groove 13 can be improved.

  In addition, the target color tone and pattern of the inner surface of the groove part 13 may not be equivalent to those of the surface decorative material 12, and may be any color tone and pattern. For example, the target CMYK may be a numerical value larger than CMYK of the surface decorative material 12, that is, the target color may be darker than the surface decorative material 12. In such a case, the CMYK of the base layer 23a with white ink does not need to be a numerical value equal to or lower than the CMYK of the surface decorative material 12.

  According to the method for decorating the concave portions described above, since the coloring process is performed in a light color before the formation of the base layer 23a with the white ink as described above, the use of the white ink for the base formation is used. The amount can be reduced. Furthermore, since the number of times of repeated application of white ink can be reduced, the decorating process can be shortened. Further, since the amount of ink used can be reduced, ink accumulation is unlikely to occur in the groove 13 and ink dripping is unlikely to occur with respect to the chamfered portion 14.

  After decorating with colored ink as described above, the protective layer 24 may be formed on the entire surface of the wooden member 10 (see FIG. 1B).

DESCRIPTION OF SYMBOLS 10 Wood member 11 Wood type base material 12 Surface decoration material 13 Groove part (concave part)
14 Chamfered part (concave part)
DESCRIPTION OF SYMBOLS 20 Inkjet apparatus 20a Inkjet nozzle 21 Colored layer 22 Sealing layer 23 Decorating layer 23a Underlayer 24 Protective layer

Claims (2)

In the decorative method of the concave stripe part, which decorates the concave stripe part formed on the surface of the wooden member,
The wooden member has a laminated structure in which a surface decorative material is arranged on the surface of a wooden base material,
The wooden base material is exposed on the surface of the concave stripe part,
A method for decorating a grooved portion, wherein the grooved portion is colored with a lighter color than the wood-based base material and then decorated by inkjet. In claim 1,
The method for decorating concave portions, wherein the ink-jet decoration is performed in the order of white ink and color ink.

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