JP6716319B2 - Wood-based decorative material and method for producing the same - Google Patents

Description

The present invention relates to a wood-based decorative material having a pattern formed on the wood surface by ink particles attached to the wood surface of a wood-based substrate, and a method for producing the same.

BACKGROUND ART Conventionally, in order to improve the design of a wood surface, a wood-based decorative material having a resin sheet having a wood pattern printed on the surface thereof has been used. However, not only the same wood grain pattern is repeatedly printed on the surface of the resin sheet, but the original wood texture cannot be obtained on the surface of the wood-based decorative material.

In view of such a point, for example, in Patent Document 1, a print layer having a wood grain pattern having a design property such as a main heather appearance is formed on the entire surface of one side of the wood, and the print layer is in a visible light region. A wood-based decorative material composed of an ultraviolet curable ink having a transmittance of 70% or more has been proposed. Further, Patent Document 2 proposes a wood-based decorative material in which a wood grain pattern is printed on a wood surface using a fast-moving tree so that the wood surface can be seen by using an ultraviolet curable ink.

JP, 2012-111069, A JP, 2006-347149, A

However, in the wood-based decorative material disclosed in Patent Document 1, since the wood-patterned printing layer is formed so as to uniformly cover the entire surface of the wood with the ink particles that transmit visible light, the surface of the wood-based decorative material is It becomes a substantially flat surface. As a result, when the surface of the wood-based decorative material is viewed, for example, in an oblique direction, it appears that the surface of the wood-based decorative material has a uniform sag, and the original wood texture of the wood cannot be obtained.

On the other hand, in the wood-based decorative material disclosed in Patent Document 2, the wood grain pattern is printed so as to expose the wood surface that is the base of printing. Even in this case, however, the ink particles are used as the base wood surface. Since it is adhered so as to substantially fill the concave portion of, the original wood texture of wood cannot be obtained as in the case of Patent Document 1.

The present invention has been made in view of such points, and an object thereof is to obtain the original wood texture of wood even if ink particles that form a pattern are attached to the wood surface. It is to provide a wood-based decorative material that can be manufactured and a method for manufacturing the same.

As a result of intensive studies by the inventors, a wood-derived conduit or a temporary conduit is formed on wood, and the cut or cut surface of the wood exposes the wall surface of the conduit or the temporary conduit so as to form a concave space. I focused on what I was doing. Based on this point of view, by printing with ink particles so as to leave a concave space formed by the wall surface of the tube, a fine shadow due to the conduit or temporary conduit is formed on the wood surface, and the fineness of this surface is We found that such a shade affects the original wood texture of wood.

The present invention is based on the findings of the inventors as described above, and a method for producing a wood-based decorative material according to the present invention is a pattern on the wood surface by ink particles attached to the wood surface of the wood-based substrate. A method of manufacturing a wood-based decorative material formed, wherein, as the wood-based substrate, a step of preparing a wood-based substrate having an exposed pipe wall surface forming a wood conduit or a temporary conduit on the wood surface, , The ink surface having a diameter smaller than that of the conduit or the temporary conduit is sprayed onto the wood surface including the tube wall surface by ink jet printing so as to leave a concave space formed by the tube wall surface. And a step of printing the pattern on the surface.

According to the present invention, in the step of printing a pattern, ink particles having a diameter smaller than the diameter of the conduit or the temporary conduit are inkjet-printed on the wood surface including the tube wall surface so as to leave a concave space formed by the tube wall surface. Spray by printing. As a result, even if ink particles adhere to the wall surface of the tube, a concave space remains on the surface of the wood, and the exposed opening edge of the wall surface of the tube is less likely to be blurred. As a result, even if a pattern is printed on the surface of wood, the surface of the wood-based decorative material can be shaded by a conduit derived from wood or a temporary conduit, and the original wood texture of wood can be provided.

Here, the "wood surface" in the present invention, when cutting out a natural wood such as a hardwood or a conifer, is a surface where the pipe wall surface forming a conduit or a temporary conduit derived from this wood is exposed, and It refers to the surface where the tube wall surface is exposed so as to form a space. “Leaving the concave space formed by the wall surface of the tube” means that the concave space is not completely filled with ink particles in the cross section orthogonal to the conduit or the temporary conduit.

As a more preferred embodiment, in the step of printing the pattern, ink particles of a plurality of colors are attached to the wall surface of the tube. According to this aspect, since fine ink particles of a plurality of colors are attached so as not to completely fill the concave space formed by the wall surface of the pipe, a more delicate pattern can be formed on the wood-based material without impairing the texture of the wood surface. It can be applied to the surface of a decorative material.

In a further preferred aspect, the wood surface of the wood-based material is colored after the step of preparing the wood-based material and before the step of printing the pattern. According to this aspect, since the wood surface of the wood-based substrate is colored before the step of printing the pattern, the coloring layer is formed by impregnating the wood fibers on the wood surface with the coloring agent. As a result, the ink particles that adhere to the colored layer formed on the surface of the wood-based base material are less likely to bleed onto the wood surface of the wood-based base material, so that the printed pattern can be emphasized. Further, if the wood surface of the wood-based substrate is impregnated with a coloring agent, it is not necessary to print the entire surface of the wood surface with an ink jet in a desired color in the printing process. A cosmetic material can be obtained.

In a further preferred aspect, before the step of printing the pattern, a predetermined area of the wood surface is covered with a resin film so as to fill the concave space formed by the pipe wall surface with resin, and the pattern is printed. In the step of, the pattern is printed on the surface of the resin film together with the surface of the wood.

According to this aspect, the predetermined area is covered with the resin film before the pattern is printed on the wood surface, and then the pattern is printed on the surface of the wood surface and the resin film, so that the printed surface other than the predetermined area is printed. In addition, the original wood texture of wood can be obtained. On the other hand, the surface of the resin film that covers the predetermined area is a smooth surface with the concave spaces filled in, so the pattern printed on the surface of the resin film looks like a smooth pattern and rises above the surface of the wood-based decorative material. It looks like a pattern. In addition, here, “before the step of printing the pattern” in this aspect means a step of coloring the wood even after the step of preparing the wood-based base material and before the step of coloring the wood described above. May be after.

In a further preferred aspect, the exposed pipe wall surface is ground in the step of preparing the wood-based material. According to this aspect, by shaving the wall surface of the pipe with a stick whiskers (eddying) or the like, the edge portion of the wall surface of the pipe is also ground, and the concave space can be widened and deepened. As a result, the concave space formed by the wall surface of the tube can be made to stand out, and the wooden texture of the surface of the wood-based decorative material to which the ink particles are attached can be further enhanced. Further, it is also possible to communicate the concave space and the conduit or temporary conduit adjacent in the thickness direction of the wood-based substrate, thereby further enhancing the pattern of the wood-derived conduit or temporary conduit. You can

In this specification, a wood-based decorative material is disclosed as an invention based on the above-mentioned findings. The wood decorative material according to the present invention is a wood-based decorative material in which a pattern is formed on the wood surface by the ink particles attached to the wood surface of the wood-based material, and the wood surface of the wood-based material is The ink particles are attached to the wood surface including the tube wall surface so as to leave a concave space formed by the tube wall surface. It is a feature.

According to the present invention, since the ink particles are attached to the wood surface so as to leave the concave space formed by the exposed pipe wall surface on the wood surface, the opening edge portion of the exposed pipe wall surface is not easily blurred. As a result, even if a pattern is printed on the wood surface, the surface of the wood-based decorative material to which the ink particles are attached can be shaded from the conduit of the wood or the temporary conduit, and the original wood texture of the wood can be obtained. Can be given.

In a more preferable aspect, ink particles of a plurality of colors are attached to the wall surface of the tube. Since the ink particles of a plurality of colors are attached so as not to fill the concave space formed by the tube wall surface, a more delicate pattern can be provided on the wood surface without impairing the texture of the wood surface.

In a more preferred embodiment, a colored layer is formed on the wood surface of the wood-based substrate, and the ink particles adhere to the surface of the colored layer. The colored layer here means a layer in a state of being impregnated on the wood surface.

According to this aspect, since the ink particles adhere to the surface of the colored layer, it is possible to make the pattern formed by the adhered ink particles stand out. In particular, when manufacturing such a wood-based decorative material, since the colored layer is formed in advance before the ink particles are attached, the ink particles are attached to the colored layer. As a result, the ink particles are less likely to bleed into the wood-based substrate, so that the printed pattern can be made more prominent.

In a further preferred aspect, a predetermined area of the wood surface is coated with a resin film so as to fill the concave space formed by the pipe wall surface with resin, and the surface of the resin film is covered with the wood surface. The ink particles are attached.

According to this aspect, in a predetermined area of the wood surface, a smooth surface of the resin film in which the concave space derived from the pipe wall surface is filled is formed, and the ink particles forming a part of the pattern are formed on this surface. It is attached. On the other hand, in a region other than the predetermined region, a concave space originating from the wall surface of the tube is formed, and the ink particles are attached so as not to fill the concave space. As a result, the pattern on the surface of the resin film looks like a smooth pattern, and the other wood surfaces have a woody texture, so the pattern on the surface of the resin film is a pattern that seems to be lifted from the surface of the wood-based decorative material. Looks like.

In a more preferred embodiment, the concave space formed by the wall surface of the pipe and the conduit or temporary conduit adjacent to each other in the thickness direction of the wood-based material are in communication with each other. According to this aspect, the wood-derived conduit or the temporary conduit can be made more prominent by communicating the recessed space and the conduit or the temporary conduit adjacent to each other in the thickness direction of the wood-based material.

According to the present invention, even if ink particles that form a pattern are attached to the surface of wood, the original wood texture of wood can be obtained.

(A) is a schematic perspective view showing a wood-based material and a wood grain pattern to be printed according to the first embodiment, and (b) is a schematic perspective view of the wood-based decorative material shown in (a). It is a figure. It is a typical expanded sectional view of the surface of the wood-based decorative material shown in FIG.1(b). FIG. 6 is a schematic enlarged cross-sectional view for explaining a printing step in the method for manufacturing a wooden decorative material according to the first embodiment. (A) is a schematic enlarged sectional view for explaining the coloring step in the method for manufacturing a wood-based decorative material according to the second embodiment, and (b) is performed after the coloring step shown in (a). It is a typical expanded sectional view for explaining a printing process. (A) is a schematic perspective view showing a pattern printed with the wooden base material according to the third embodiment, and (b) is a schematic perspective view of the wooden base material shown in (a). is there. (A) is a schematic enlarged cross-sectional view of the surface of the wood-based decorative material in the first region, and (b) is a schematic enlarged cross-sectional view of the surface of the wooden-based decorative material in the second region. It is a typical expanded sectional view of the wood-based decorative material which preprocessed the wood-based base material which concerns on 4th Embodiment.

Hereinafter, the wood-based decorative material 1 according to the first to fourth embodiments and a method for manufacturing the same will be described with reference to the drawings.
[First Embodiment]
1. Regarding Wood-Based Base Material 2 on which Wood Pattern 3 is Printed FIG. 1A is a schematic perspective view showing the wood-based material 2 according to the first embodiment and the wood pattern 3 to be printed, 2B is a schematic perspective view of the wooden decorative material 1 shown in FIG. FIG. 2 is a schematic enlarged cross-sectional view of the surface of the wooden decorative material 1 shown in FIG.

As shown in FIG. 1, the wood-based decorative material 1 according to the present embodiment has a wood surface 2a made of natural wood of a wood-based base material 2 on which a wood grain pattern 3 described later is printed. In the present embodiment, as shown in FIG. 1, a floor material is illustrated as an example of a wood-based material, but if a natural wood pattern is formed on the surface, a wall material or a stair tread is used. , Or a ceiling material, etc., but is not particularly limited.

In this embodiment, as shown in FIG. 1A, in the wood-based substrate 2, a plurality of (specifically, four) projecting plates (wood pieces) 23 are attached to the surface of a substrate body 21 made of plywood. Has been done. The surface 23a of the veneer 23 is a natural wood surface, and a seam 23b is formed between the adjacent veneers 23, 23.

A chamfered portion 23c is formed on the periphery of the wood surface 2a of the wood-based substrate 2, and specifically, the chamfered portion 23c extends from the surface 23a of the projecting plate 23 to a part of the side surface of the substrate body 21. Has been formed. A male solid portion 22a and a female solid portion 22b are formed on the peripheral edge of the side surface of the wooden base material 2. By engaging the male part 22a of the wood-based material 2 and the female part 22b of the wood-based material 2 adjacent to the male part 22a, the wood-based materials 2 and 2 (the wood-based cosmetic materials 1 and 1) are connected to each other. Can be actually joined.

Here, in the present embodiment, plywood is given as an example of the base material body 21, but, for example, particle board (PB), wood fiber board (MDF, insulation board, hard board, etc.), oriented strand board (OSB). ), LVL, laminated wood, or solid wood. As long as the wood such as the veneer 23 described above can be attached to the surface thereof and the rigidity and strength of the wood-based base material 2 (wood-based decorative material 1) can be secured, the material and thickness thereof. Is not particularly limited.

Further, although the base material body 21 is exemplified by a wood-based material such as plywood, a natural wood (wood having a part of a conduit or a temporary conduit) such as a veneer 23 is attached to the surface to form a wood-based base material 2. The material is not limited as long as it can be a wood surface 2a made of wood. Therefore, the base material body 21 may be a composite type base member in which resin and wood are mixed, and is made of resin such as polyvinyl chloride, polyurethane, or polyolefin resin (polyethylene, polypropylene, polyethylene vinyl acetate, polyvinyl alcohol, etc.). It may be a base material body. Further, the base material body 21 may be a base material body made of inorganic fiber such as rock wool board or carbon fiber.

The veneer 23 is a veneer in which a natural wood pattern derived from the veneer 23 (wood) is formed on the surface 23 a, and is a veneer used as a surface decorative material to make up the surface of the wood-based substrate 2. The thickness of the projecting plate 23 is preferably in the range of 0.1 to 1.0 mm.

As shown in FIG. 2, a pipe wall surface 24 forming a conduit or a temporary conduit is exposed on the wood surface 2a of the wood-based substrate 2 which is the surface 23a of the veneer 23, and the recessed space 25 is formed by the pipe wall surface 24. Has been formed. More specifically, the tube wall surface 24 forms a groove-like recessed space 25 along the wood surface 2a. In this embodiment, in order to enhance the wood texture of the surface of the wood-based decorative material 1 after printing. It is preferable that the wood surface 2a has a grain or a grain.

Here, the material of the veneer 23 (material forming the wood surface 2a) may be cedar, cypress, ezo pine, cats on which a temporary conduit is formed, or a conifer such as larch. However, in general, the diameter of the conduit of the hardwood is larger than the diameter of the temporary conduit of the softwood, and thus the hardwood is preferable. Thereby, even if inkjet printing described below is performed, the shadow peculiar to the wood surface derived from the conduit can be made more prominent.

As the material of the veneer 23 (material constituting the wood surface 2a), beach, oak, maple, zelkova, walnut, sina, oak, yachidamo, kiri, mahogany, teak, rosewood, tochi, swordfish, shioji, elm, hippo. Broad-leaved trees such as chestnut, chestnut, red lauan, beech, cherry tree, tanger and kokutan are preferred.

In particular, in the present embodiment, it is a condition that the diameter D1 of the wood conduit is larger than the diameter D2 of the ink particles 31 sprayed on the wood surface 2a of the wood-based substrate 2 in the printing process described later. Therefore, among the hardwoods exemplified above, chestnuts such as chestnuts, oaks such as Mizunara, teak, or red lauan are preferable because of the relatively large diameter of the conduit.

Here, for example, instead of the veneer 23, a sawn plate made of the above-mentioned material may be used as a surface decorative material for making up the surface of the base material body 21. In that case, the thickness of the ground plate is preferably in the range of 1 mm to 3 mm.

When sticking the veneer 23 to the base body 21, the adhesive is applied to at least one of the front surface of the base body 21 or the back surface of the veneer 23, and the adhesive is cured, so that the surface of the base body 21 is adhered. The veneer 23 is bonded. The above-described actual processing of the male and female parts 22a and 22b and the chamfering of the peripheral edge of the wood surface 2a are performed after these are bonded.

It should be noted that a plurality of grooves for soundproofing may be formed on the back surface of the wood-based base material 2, and an impact cushioning material such as a foamed rubber sheet or a foamed resin sheet may be attached to the back surface of the wood-based material 2, paper, non-woven cloth , A lining material of cloth (felt etc.) may be attached.

2. Regarding wood-based decorative material 1 A wood-based decorative material 1 shown in FIG. 1(b) is obtained by printing a wood grain pattern (printing pattern) 3 on a wood surface 2a of a wood-based substrate 2 shown in FIG. 1(a). You can Specifically, as shown in FIG. 2, the wood surface 2a including the pipe wall surface 24 is subjected to (UV curing) so as to leave a concave space 25 formed by the pipe wall surface 24 of the wood surface 2a of the wood-based substrate 2. ) Resin ink particles 31 are attached, and the ink particles 31 form the wood grain pattern 3.

In this way, since the ink particles 31 are attached to the wood surface 2a so as to leave the concave space 25 formed by the pipe wall surface 24 of the wood surface 2a, it is difficult for the exposed opening edge portion of the pipe wall surface 24 to be blurred. .. As a result, even if a pattern is printed on the wood surface 2a, the wood surface 2a of the wood-based base material 2 to which the ink particles 31 are attached (that is, the surface 1a of the wood-based decorative material 1) is connected to the wood conduit or The shadow derived from the temporary conduit can be given, and the original wood texture of wood can be given.

The ink particles 31 may be particles of a single color, but in the present embodiment, as will be described later, the ink particles 31 are composed of particles of four colors of yellow, magenta, cyan, and black, and the wood-based substrate including the tube wall surface 24. Ink particles 31 of a plurality of colors are attached to the wood surface 2a of the material 2. As a result, since the ink particles 31 of a plurality of colors are attached so as not to fill the concave space 25 formed by the tube wall surface 24, a more delicate pattern can be formed on the wood surface 2a without impairing the texture of the wood surface 2a. It can be applied to the surface 1a of the decorative material 1.

3. About the manufacturing method of the wooden decorative material 1 Below, the manufacturing method of the wooden decorative material 1 which concerns on this embodiment is demonstrated. FIG. 3 is a schematic enlarged cross-sectional view for explaining a printing step in the method for manufacturing the wooden decorative material 1 according to the first embodiment.

First, the wood-based material 2 on which the woodgrain pattern 3 is printed is prepared. Specifically, as described above, the pipe wall surface 24 forming the wood conduit is exposed on the wood surface 2a of the wood-based base material 2 which is the surface 23a of the projecting plate 23, and the exposed pipe wall surface 24 forms a recess. A space 25 is formed.

Next, the wood grain pattern 3 is printed on the wood surface 2a of the wood-based substrate 2. The printing of the wood grain pattern 3 is performed using an inkjet printer (not shown). In this embodiment, the ink of the inkjet printer is composed of, for example, four colors of yellow, magenta, cyan, and black, and these inks are used to form a wood pattern 3 on the surface 23a of the veneer 23 as shown in FIG. To print.

The ink jet printer contains ink used for general printing, a head that individually ejects each ink in accordance with the surface pattern 3 to be printed based on the above-described image, and a feeder that sends the wood-based substrate 2. , At least.

Using such an ink jet printer, the ink is ejected by the head in a direction substantially orthogonal to the wood surface 2a of the wood-based material 2 according to the wood grain pattern 3, and the wood-based material 2 is fed by the feeder. The wood pattern 3 is printed on the wood surface 2a of the wood-based material 2 (specifically, the surface 23a of the veneer 23), the surface of the male part 22a, and the like. In the present embodiment, the surface pattern 3 printed on the upper surface of the veneer 23, the chamfered portion 23c, and the male portion 22a is one continuous surface pattern in a state of being viewed in plan with respect to the surface 1a of the wooden decorative material 1. The wood grain pattern 3 is printed on the wood-based material 2 so that it looks like a wood grain pattern. As a result, the printed wood-based decorative material 1 looks like one solid material.

As shown in FIG. 3, in the present embodiment, the wood grain pattern 3 is printed on the wood surface 2a including the tube wall surface 24 so as to leave the concave space 25 formed by the tube wall surface 24. Specifically, ink particles 31 made of uncured ultraviolet curable resin having a diameter D2 smaller than the diameter D1 of the conduit are sprayed by inkjet printing. As a result, the wood grain pattern 3 can be printed while leaving the wood texture on the wood surface 2a without completely filling the concave space 25 with the ink particles 31.

Here, the diameter D1 of the conduit means a diameter (minimum diameter) inscribed in the conduit in a cross section orthogonal to the conduit. On the other hand, the diameter D2 of the ink particles 31 is the diameter of the sphere calculated from the amount of the ejected ink particles when the ink particles ejected from (the nozzle of) the head are assumed to be spheres.

For example, when chestnut is selected as the wood for the veneer, the diameter of the conduit is 80 to 400 μm. When beech is selected for the veneer wood, the diameter of the conduit is 20 to 110 μm. When Mizunara is selected for the veneer wood, the diameter of the conduit is 100 to 300 μm. When Yamazakura is selected as the wood for the veneer, the diameter of the conduit is 15 to 90 μm. When teak is selected for the veneer wood, the diameter of the conduit is 240 to 450 μm. When Red Lauan is selected for the veneer wood, the diameter of the conduit is 210 to 480 μm. When Japanese cedar, which is a coniferous tree, is selected as the veneer wood, the diameter of the temporary conduit is 10 to 50 μm. When cypress is selected as the wood for the veneer, the diameter of the temporary conduit is 5 to 50 μm.

For example, when chestnuts such as chestnut, oak, teak, or red lauan whose conduit diameter is relatively large among these woods are selected, the conduit diameter D1 falls within the range of 80 to 480 μm. In such a case, for example, the diameter D2 of the ink particles 31 is preferably 20 to 45 μm, more preferably 20 to 30 μm.

For example, when the diameter D1 of the ink particles 31 to be sprayed is 20 to 45 μm, the amount of ink discharged from the inkjet nozzle may be 4 to 50 pl. Further, when the diameter D1 of the ink particles 31 to be sprayed is 20 to 30 μm, the ejection amount of ink from the inkjet nozzle may be 4 to 14 pl.

Here, when an ultraviolet curable ink is used as the printing ink for the surface pattern 3, the wood surface of the wood-based substrate 2 is adjusted so that the ultraviolet curable ink becomes the surface pattern 3 by the above-mentioned inkjet printer. After being applied to 2a, the surface is irradiated with ultraviolet rays to cure the ink.

Examples of the ultraviolet curable ink include an ink composed of a generally known reactive oligomer, a reactive monomer, an ultraviolet curable resin containing a photopolymerization initiator, and a colorant. In this embodiment, since the ultraviolet curable ink is used as the printing ink, the ink 34 is hardly impregnated on the surface 23a of the projecting plate 23, and a clear wood grain pattern can be obtained.

In this embodiment, the ultraviolet curable ink is used as the printing ink, but a water-based ink or an oil-based ink may be used. When such an ink is used, the ink particles 31 are impregnated into the surface 23a of the projecting plate 23. Accordingly, the wood-based decorative material 1 can clearly leave the uneven shape of the surface 23a of the veneer 23 formed according to the natural wood pattern of the surface 23a of the veneer 23, and the surface pattern 3 and the surface of the veneer 23 can be clearly left. The natural wood grain pattern formed on 23a can be visually recognized.

In the present embodiment, as described above, ink particles 31 having a diameter smaller than the diameter D2 of the conduit are inkjet-printed on the wood surface 2a including the tube wall surface 24 so as to leave the concave space 25 formed by the tube wall surface 24. Spray by. As a result, even if the ink particles 31 adhere to the tube wall surface 24, the concave space 25 remains on the wood surface 2a, so that the opening edge of the tube wall surface 24 is less likely to be blurred. As a result, even if the wood grain pattern 3 is printed on the wood surface 2a, the surface 1a of the wood-based decorative material 1 to which the ink particles 31 are attached can be shaded by a conduit derived from wood, which is an original property of wood. It can give a woody feel.

In this embodiment, the wood grain pattern 3 is formed by attaching the ink particles 31 as a pattern. Further, with respect to this wood grain pattern, for example, conventionally, not good as a wood surface pattern, knots, cracks, bites, heather, skins, gold bars, sugar bars, false cores, verticals, uneven color, or, A pattern unique to wood such as a territory pattern may be included, or a pattern of a sawtooth scar (rough sone) formed when cutting and processing wood may be printed.

According to such a wood-based decorative material 1, on the surface 1a of the wood-based decorative material 1, a natural wood-grain pattern derived from the veneer 23 and a wood-grain pattern 3 different from this wood-grain pattern 3 can be seen. It looks as if the wood grain pattern is formed on the surface 1 a of No. 1.

[Second Embodiment]
FIG. 4A is a schematic enlarged cross-sectional view for explaining the coloring step in the method for manufacturing the wood-based decorative material 1 according to the second embodiment, and FIG. 4B is the same as FIG. 4A. It is a typical expanded sectional view for explaining the printing process performed after the coloring process shown in FIG. The manufacturing method of the wood-based decorative material 1 according to the second embodiment differs from that of the first embodiment in that it further includes a coloring step. Therefore, the other steps are the same as those in the first embodiment, and detailed description thereof will be omitted.

In the present embodiment, after the step of preparing the wood-based material 2, before the printing step of printing the wood pattern shown in FIG. 4B, as shown in FIG. The wood surface 2a is colored. In the present embodiment, since the wood surface 2a of the wood-based substrate 2 is colored, the coloring layer 4 in which the wood fiber of the wood surface is impregnated with the coloring agent is formed. In the present embodiment, the wood surface 2a of the wood-based base material 2 is impregnated with the colored layer 4. However, for example, the wood surface 2a of the wood-based base material 2 may be covered with the colored layer 4. ..

As described above, since the colored layer 4 is formed on the wood surface 2a, in the present embodiment, as shown in FIG. 4A, the ink particles 31 adhere to and adhere to the colored layer 4 in the printing process. The ink particles 31 are less likely to bleed onto the wood surface 2a of the wood-based substrate 2. Therefore, it is possible to make the printed wood pattern 3 stand out. Further, in the printing process, it is not necessary to print the entire surface of the wood surface 2a with a color desired to be colored, so that the wood-based decorative material 1 having a desired base color can be obtained quickly and inexpensively.

[Third Embodiment]
FIG. 5A is a schematic perspective view showing a wood-based material 2 and a pattern 3A to be printed according to the third embodiment, and FIG. 5B is a wood-based material shown in FIG. 5A. It is a schematic perspective view of the decorative material 1. FIG. 6A is a schematic enlarged cross-sectional view of the surface of the wood-based decorative material 1 in the first region 2b, and FIG. 6B is a schematic enlarged cross-sectional view of the surface of the wooden-based decorative material 1 in the second region 2c. It is an expanded sectional view. The third embodiment differs from the first embodiment in that the resin film 6 is provided and the pattern 3A to be printed. Therefore, detailed description of the same configuration as that of the first embodiment is omitted.

In the present embodiment, as shown in FIGS. 5A and 6B, in the first region 2b of the wood surface 2a corresponding to the letter “E”, the concave space 25 formed by the pipe wall surface 24 is formed. A resin film 6 is coated so as to fill the resin. On the surface 6a of the resin film 6, the ink particles 31 are printed with a pattern 3a which is a character. On the other hand, as shown in FIGS. 5A and 6B, the grain pattern 3b is formed in the second region 2c by the ink particles 31 attached so as to leave the concave space 25, as in the first embodiment. Has been formed.

When manufacturing the wood-based decorative material 1 shown in FIG. 5B, before the step of printing the pattern 3A, the first region 2b of the wood surface 2a is formed in the concave space 25 formed by the pipe wall surface 24. The resin film 6 is covered so as to fill the resin. The resin film 6 can be obtained, for example, by masking the second region 2c and then coating the first region 2b with a resin. In addition to this, the resin film 6 is obtained, for example, by inkjet printing, by attaching resin ink particles to the first region 2b so as to fill the recessed space 25 formed by the tube wall surface 24. You can also After that, the pattern 3a is printed on the surface 6a of the resin film, and the pattern 3b is printed on the surface of the wood, which is the second region 2c, with the ink particles 31 so as to leave the concave space 25, as in the first embodiment.

According to the present embodiment, as shown in FIGS. 5A and 6A, in the first area 2b of the wood surface 2a, the smoothness of the resin film 6 in which the concave space 25 derived from the conduit is filled is smoothed. The surface 6a is formed, and the ink particles 31 forming the pattern 3a of the character "E", which is a part of the pattern 3A, are attached to the surface 6a. On the other hand, as shown in FIGS. 5A and 6B, in the second region 2c, the concave space 25 derived from the conduit is formed, and the ink particles 31 are attached so as not to fill the concave space 25, A wood grain pattern 3b is formed.

As a result, as shown in FIG. 5B, the pattern 3a on the surface 6a of the resin film 6 looks like a smooth pattern, and the other wood grain patterns 3b have the wood texture of the wood surface 2a. The pattern 3a on the surface 6a of the film 6 looks as if it were lifted from the surface 1a of the wood-based decorative material 1. In particular, this effect can be further exerted by making the resin film 6 a transparent color.

[Fourth Embodiment]
FIG. 7 is a schematic enlarged cross-sectional view of the wood-based decorative material 1 in which the wood-based base material 2 according to the fourth embodiment is subjected to the pretreatment process. The fourth embodiment is different from the first embodiment in that the surface of the wooden base material 2 is subjected to a pretreatment process. Therefore, detailed description of the same configuration as that of the first embodiment is omitted.

In this embodiment, in the step of preparing the wood-based material 2, the exposed pipe wall surface 24 is shaved as a pretreatment step of the printing step, and then the printing step is performed as in the first embodiment. Specifically, the concave space 25 can be widened and deepened by shaving the pipe wall surface 24 of the wood-based material 2 with a bar whisk (edging) or the like as a pretreatment step.

As a result, as shown in FIG. 7, the concave space 25 formed by the tube wall surface 24 can be highlighted, and the wood texture of the surface 1a of the wood-based decorative material 1 to which the ink particles 31 are attached can be further enhanced. .. Furthermore, the recessed space 25 and the conduit 7 adjacent in the thickness direction of the wood-based material 2 can be communicated with each other, whereby the pattern of the wood-derived conduit can be made more prominent.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-described embodiments, and various designs can be made without departing from the spirit of the present invention described in the claims. You can make changes.

In the present embodiment, a wood pattern is printed on the wood surface of the wood-based substrate, but the pattern to be printed is not limited to the wood pattern, and for example, geometric patterns, characters, figures, and other ink particles. The pattern is not particularly limited as long as the pattern can be attached to the wood surface by adhering.

In this embodiment, a veneer is attached to the surface of the wooden base material to form the wooden base material (wood). However, when a solid wood is used as the wood-based base material instead of plywood, the veneer may be omitted because the natural wood grain pattern derived from wood is formed on the surface of the solid wood.

In the present embodiment, the wood surface of the wood-based substrate is the wood surface of a broad-leaved tree, and the conduit is formed. However, for example, the wood surface of the wood-based base material may be the wood surface of the conifer if the pattern can be formed by the ink particles so as to leave a concave space derived from the temporary conduit of the conifer. ..

1: Wood-based cosmetic material, 2: Wood-based substrate, 3: Wood pattern, 3A: Pattern, 4: Colored layer, 6: Resin film, 21: Base material body, 22a: Male part, 22b: Female part , 23: projecting plate, 24: tube wall surface, 25: concave space, 31: ink particle

Claims (10)

By the ink particles attached to the wood surface of the wood-based material, a method for producing a wood-based decorative material having a pattern formed on the wood surface,
As the wood-based base material, a step of preparing a wood-based base material on which the pipe wall surface forming the conduit or temporary conduit of wood is exposed on the wood surface,
By spraying ink particles having a diameter smaller than the diameter of the conduit or the temporary conduit on the wood surface including the tube wall surface by inkjet printing so as to leave a concave space formed by the tube wall surface, the wood surface and a step of printing the pattern seen including in,
In the step of printing the pattern on the wood surface, the ink particles are sprayed so that a gap is formed between the ink particles in the tube wall surface in a cross section orthogonal to the conduit or the temporary conduit. And a method for producing a wood-based decorative material. The method for manufacturing a wood-based decorative material according to claim 1, wherein ink particles of a plurality of colors are attached to the wall surface of the tube in the step of printing the pattern. The wood-based decorative material according to claim 1 or 2, wherein the wood surface of the wood-based material is colored after the step of preparing the wood-based material and before the step of printing the pattern. Manufacturing method. Before the step of printing the pattern, a predetermined region of the wood surface is covered with a resin film so as to fill the concave space formed by the pipe wall surface with resin,
The method for producing a wood-based decorative material according to claim 1, wherein, in the step of printing the pattern, the pattern is printed on the surface of the resin film together with the surface of the wood. .. The method for producing a wood-based decorative material according to any one of claims 1 to 4, wherein the exposed pipe wall surface is ground in the step of preparing the wood-based material. By ink particles attached to the wood surface of the wood-based substrate, a wood-based decorative material having a pattern formed on the wood surface,
The wood surface of the wood-based substrate has a tube wall surface forming a wood conduit or temporary conduit,
Ink particles are attached to the wood surface including the tube wall surface so as to leave a concave space formed by the tube wall surface ,
A wood-based decorative material , wherein a gap is formed between the ink particles in the wall surface of the tube in a cross section orthogonal to the conduit or the temporary conduit . The wood-based decorative material according to claim 6, wherein ink particles of a plurality of colors are attached to the tube wall surface. The wood-based makeup according to claim 6 or 7, wherein a colored layer is formed on the wood surface of the wood-based substrate, and the ink particles adhere to the surface of the colored layer. Material. A predetermined area of the wood surface is coated with a resin film so as to fill the resin into the concave space formed by the pipe wall surface,
The wood-based decorative material according to any one of claims 6 to 8, wherein the ink particles adhere to the surface of the resin film as well as the surface of the wood. The concave space formed by the pipe wall surface and a conduit or a temporary conduit adjacent to each other in the thickness direction of the wood-based material are in communication with each other, according to any one of claims 6 to 9. The wood-based decorative material described.

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