JPH07314996A - Manufacture of damascene decorative object - Google Patents

Abstract

PURPOSE:To improve an ease of manual operation in embedding a damascene material into a wooden material, reduce man-hours, enhance manufacturing efficiency and further, secure the embedded damascene. CONSTITUTION:A die 5 with a formed damascene pattern is used, and at the same time, a sheet-like damascene material 2 which can be sheared in a damascene pattern by the depression of the die is used. Further, the damascene material 2 is bonded to the facing of the cross section 4 of a wooden material 1 through an adhesive 7, the damascene material 2 bonded by the die 5 is pressed forward in the fiber direction of the wooden material 1, and the damascene material 2 is embedded into the cross section 4 of the wooden material 1 with a concurrent action to form the damascene material 2 in a damascene pattern. In this case, the pressing force of the die 5 is set at a higher value than the yield load of the wooden material 1 in the fiber direction, and the stroke of the die 5 is set in such a manner that the surface of the damascene material 2 is flush with the common surface of the cross section 4 of the wooden material or is suck from common surface of the cross section 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an inlaid decorative body, and more particularly to a method for manufacturing an inlaid decorative body by embedding an inlaid material in wood.

[0002]

2. Description of the Related Art Conventionally, as a method of manufacturing an inlaid decorative body by embedding an inlaid material in wood, for example, Japanese Patent Publication No. 5-25.
There is a technology disclosed in Japanese Patent No. 641. In this method, wood is engraved with an inlay pattern in advance, the engraved recess is filled with a special synthetic resin as an inlay material, and the wood is cured at a predetermined temperature to manufacture.

Further, as another example, for example, Japanese Examined Patent Publication 6
There is a technique disclosed in Japanese Patent Publication No. 0-49562. This is because the inlay material is adhered to the wood in advance, and then this attached inlay material is cut with a blade type into an inlaid pattern shape, unnecessary parts are removed, and then the part cut into the inlaid pattern shape is pressed. And manufactured.

[0004]

By the way, in the above-mentioned conventional method for manufacturing an inlaid decorative body, in the former manufacturing method, an inlaid pattern is previously engraved on wood and then the inlaid material is filled. However, the number of man-hours is increased and the manufacturing efficiency is poor because the inlay material is filled thereafter.

Also in the latter manufacturing method, since the inlay material previously adhered to the wood is cut into an inlaid pattern shape by a blade type and unnecessary portions are removed, the workability is poor, and As a result, the number of man-hours is increased, and there is a problem that the manufacturing efficiency is poor.

The present invention has been made in view of the above problems, and its object is to improve workability when embedding an inlaid material in wood, reduce man-hours, and improve manufacturing efficiency. is there. In addition, in order to solve the above problems, the present invention has another object of ensuring the retention of the inlaid material.
Furthermore, we also considered the diversification of inlay patterns.

[0007]

The technical means of the present invention for solving the above problems is a method of manufacturing an inlaid decorative body by embedding an inlaid material in wood, and a mold in which an inlaid pattern is formed is used. A sheet-shaped inlaid material that can be used and is sheared into an inlaid pattern shape by pressing of the die is used, and this inlaid material is attached to the surface of the wood mouth through an adhesive agent, and the inlaid material is attached by the die. It is pressed in the fiber direction of the wood, and is embedded in the mouth of the wood while forming the inlaid material in the shape of the inlay of the mold.

Then, if necessary, the pressing force of the mold is set to be equal to or higher than the yield load of the wood in the fiber direction. Also, if necessary, the stroke of the mold is set such that the surface of the inlaid material is the same as the general surface of the wood entrance or is immersed from the general surface of the wood entrance.

Further, it is effective that the inlay material is made of leaves. Furthermore, it is effective that a step portion is formed in the pressing direction in the inlaid pattern of the mold. Further, it is effective that the above-mentioned adhesive is composed of an acrylic solvent type pressure-sensitive adhesive.

[0010]

According to the method of manufacturing the inlaid decorative body having the above-mentioned structure, when the inlaid material is embedded, first, the inlaid material is attached to the surface of the wood mouth through the adhesive. Next, the inlay material is pressed by the mold in the fiber direction of the wood. As a result, the inlay material is pressed by the die, sheared into the inlay pattern shape of the die, and embedded in the mouth of the wood.

When the pressing force of the mold is set to be equal to or higher than the yield load in the fiber direction of the wood, when the pressing force of the mold reaches the yield load, the wood is plastically deformed and dents. In this case, since the die presses the wood in the fiber direction, the portion corresponding to the surface of the die buckles due to compression and is recessed, and the inlay material depends on the die and the edge of the unpressed portion of the wood. The inlaid material is sheared into the inlaid pattern shape, so that the inlaid material having the inlaid pattern shape is similarly inserted into the recessed portion of the wood plastically deformed into the inlaid pattern shape.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method of manufacturing an inlaid decorative article according to an embodiment of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the method for manufacturing an inlaid decorative body according to the embodiment is made of wood 1
This is a method of manufacturing the inlaid decorative body 3 by embedding the inlaid material 2 in the. As the wood 1, any kind of wood may be used. Further, the shape of the wood may be appropriately determined according to the application such as being formed into a plate shape or a block shape such that the surface of the wood entrance 4 becomes the surface in which the inlay material 2 is embedded ( 1-1, 1-2). As the shape of the wood 1, for example, as shown in FIG. 1 (1-1), when the trunk of the wood 1 is sliced, a chemical (for example, PEGMA) treatment is applied to prevent cracking. Yes (1-3,
1-4) is preferable. Before embedding the inlay material 2, the surface of the mouth 4 of the wood 1 is ground and finished with a belt sander or the like (1-5).

In this manufacturing method, a mold 5 having an inlaid pattern is used. The mold 5 has a protruding inlaid pattern surface, and a step portion 6 is formed on the inlaid pattern in the pressing direction. For example, as shown in FIG. 2 and FIG. 3, the inlaid decorative body 3 in which the inlay pattern of the automobile is embedded will be described. The protrusion dimensions are different so that the pattern surface of the automobile is higher or lower.

As the inlay material 2, a sheet-like material which can be sheared into an inlaid pattern shape by pressing the die 5 is used. In the example, leaves (fresh leaves and dead leaves) are used (1-6). The inlay material 2 is a metal foil such as gold foil, a wooden or resin veneer (thickness 0.1 to 0.3 m).
Any material such as about m is preferable (1-7).

When the inlay material 2 is embedded, the
First, the adhesive 7 is applied to the inlay material 2 (1
-8) Then, the inlay material 2 is attached to the surface of the wood mouth 4 of the wood 1 (1-9). As the adhesive agent 7, for example, an acrylic solvent type adhesive agent is used, and for example, it is applied to the inlay material 2 in advance by spraying or the like. Next, the mold 5 is pressed against the inlaid material 2 in the fiber direction of the wood 1, and the inlaid material 2 is pressed.
While forming the inlay pattern of the mold 5
(1-10).

The pressing force of the mold 5 is set to be equal to or higher than the yield load (extreme strength) of the wood 1 in the fiber direction. The yield load is a load at which the plastic deformation of the wood 1 starts when the die 5 is pressed. For example, an example of Hiba (Japanese coniferous tree) will be described. As shown in FIG.
A test piece S having a size of m × 3 cm and a height of 2 cm was prepared, and a mold 5 having a pressing surface of 2 cm × 2 cm was prepared, and the mold 5 was placed on the surface of the mouth 4 of the test piece S. The load was pressed so that a 5 mm edge was formed around the surface of the wood mouth 4, the load at which plastic deformation began was measured, and this load was taken as the yield load. The result is shown in FIG. This yield load depends on the type of wood 1,
It depends on the cut-out portion of the wood piece 1 and the like, and also on the shape of the mold 5 and the pressing portion.

Explaining in more detail, the following experimental examples will be shown regarding the relationship between the pressing force of the mold 5 and the fitting depth of the mold 5. As the test piece S, four kinds of woods 1 of Hiba (Japanese coniferous tree), Harunire (Japanese hardwood), Spruce (Northern timber), and Red Lawan (Southern timber) were used. These wood 1
As for the above, the surface of the mouth 4 of the wood 1 is 3 cm.
A large number of test pieces S having a size of 3 cm and a height of 2 cm were prepared. Each test piece S was cut out from the same part of the wood 1 as much as possible, and the difference in properties between the test pieces S was minimized.

Then, the same die 5 (pressing surface 2
cm × 2 cm) is pressed into each test piece S so that a 5 mm edge is formed around the surface of the mouth 4 of the test piece S, and the depth is increased by 1 mm at each time. The apparent indentation depth (stroke of the die 5), the actually measured indentation depth, and the maximum compression load at that time were measured. The results are shown in FIGS. 6 to 9. For each test piece S, plastic deformation was confirmed from the apparent indentation depth of 1 mm, and in Hiba and Harunire, the apparent indentation depth was from 8 mm to the shear boundary surface (the boundary between the portion pressed by the mold 5 and the portion not pressed). ) Was confirmed to be cracked. Further, cracks were confirmed at the shear boundary surface from an apparent indentation depth of 7 mm in spruce and from 6 mm in red lauan.

This is a portion corresponding to the surface of the mold 5 when the indentation depth is relatively small, as shown in the enlarged view of the principal part of the vertical cross section of the test piece of FIG. 10 (cross section taken along line P in FIG. 4). Part A where A buckles and dents due to compression, but is not pressed
At the boundary between and, a curled portion C that cannot be completely sheared is formed, and this curled portion C acts as a resistance, preventing the entire crack, and when the pushing depth becomes large, the curled portion C is also sheared and the resistance is increased. It is considered that the crack disappears at this boundary part.

The stroke of the die 5 is set so that the surface of the inlaid material 2 is the same as the general surface of the wood opening 4 or is recessed from the general surface of the wood opening 4. In this case, the thickness and stroke of the inlaid material 2 are determined so that the shear boundary surface does not crack.

Next, the characteristics of the plastic surface of the wood 1 plastically deformed by the mold 5 were tested. This compares the wood 1 of the same kind as the above with respect to the degree of water absorption from the plastic surface at each apparent indentation depth. The test piece S was coated with vinyl chloride paint (black) on the surface other than the plastic surface so that only the plastic surface was exposed.
It was immersed in water for 4 hours, and the initial weight before immersion was compared with the weight after immersion. The results are shown in Fig. 11. As can be seen from FIG. 11, the amount of water absorbed from the plastic surface is substantially constant regardless of the indentation depth, and in this respect, it was found that the properties of the plastic surface are not affected by the indentation depth.

Therefore, in the method of manufacturing the inlaid decorative body 3 according to this embodiment, in the pressing step of the mold 5, the inlaid material 2 is pressed by the mold 5, and the pressing force becomes the yield load. Then, the wood 1 is plastically deformed and dents. In this case, since the die 5 presses the wood 1 in the fiber direction, the portion corresponding to the surface of the die 5 is buckled and recessed due to compression, and the inlay material 2 presses the die 5 and the wood 1. It is sheared into an inlaid pattern shape by the edges of the unincorporated portions, and therefore the inlaid material 2 having the inlaid pattern shape is similarly inserted into the recessed portion of the wood 1 plastically deformed into the inlaid pattern shape.

If a predetermined stroke is pressed,
The mold 5 is retracted. After that, a portion of the surface of the wood mouth 4 where the wood 1 is not pressed (non-press-fitted surface) is ground with a belt sander or the like in the same manner as above, and the excess inlaid material 2 is removed to finish (1-11). In this case, since the extra inlay material 2 is attached by the acrylic solvent-based adhesive,
It can be easily peeled off without causing mechanical breakage, resulting in good workability. In this state, the surface of the inlaid material 2 is the same as the general surface of the wood opening 4 or is deeper than the general surface of the wood opening 4. Also,
Since the wood 1 is plastically deformed, the inlaid material 2 is maintained in the immersed state. Further, since the inlay material 2 is pressed through the adhesive agent 7, it can be surely adhered to the plastic surface. In particular, in the case of an acrylic solvent-based pressure-sensitive adhesive, weather resistance and heat resistance are better than those of other pressure-sensitive adhesives, and its adhesive ability is also high, so that the inlay material 2 can be reliably attached. Furthermore, since the inlay material 2 is made of leaves, it can be crushed when pressed to enter the fibrous gaps of the wood 1 well, so that it can be surely adhered and difficult to peel off.

Further, since the surface of the inlaid material 2 is the same as the general surface of the wood opening 4 or is deeper than the general surface of the wood opening 4, it is possible to prevent the situation of being caught by another and peeling. Further, since the step portion 6 is formed in the pressing direction in the inlay pattern of the die 5, the step pattern is also formed on the inlaid material 2 and the pattern can be diversified accordingly.

Further, in the embodiment, thereafter, the whole is coated with a paint such as urethane resin (1-12).
Therefore, the inlaid state of the inlaid material 2 is further maintained and the appearance quality is improved. The inlaid decorative body manufactured in this manner is used for various purposes such as personal accessories such as broaches, ornaments, members for construction, and the like.

As the inlay material 2, metal foil such as gold foil,
Any material such as wood or resin veneer (preferably having a thickness of about 0.1 to 0.3 mm) may be used. Further, the adhesive 7 is composed of an acrylic solvent type adhesive,
The present invention is not limited to this, and other pressure-sensitive adhesives or adhesives may be used and may be appropriately changed. Furthermore, in the embodiment, a step pattern is formed on the inlaid material 2, but the invention is not necessarily limited to this, and for example,
As shown in FIG. 12, a planar pattern may be embedded and may be appropriately changed. Further, it goes without saying that the pattern is not limited to the one described above and may be any pattern.

[0027]

As described above, according to the method for manufacturing the inlaid decorative article of the present invention, the inlaid material is attached to the surface of the mouth of the wood through the adhesive and pressed in the fiber direction of the wood by the mold. Since it is possible to form an inlay pattern of inlay material on wood,
The work becomes extremely simple, the workability in embedding the inlaid material in the wood is improved, the man-hours are reduced, the production efficiency is significantly improved, and the mass production can be coped with as compared with the conventional case.

Further, since the inlay material is adhered to the surface of the mouth of the wood through the adhesive and is embedded by pressing in the fiber direction of the wood by the mold, when the surface of the mouth is pressed in the fiber direction, the surface of the mold is pressed. Since the part corresponding to is buckled and dented due to compression, it is possible to plastically deform the wood into the inlaid pattern shape, and to shear the inlaid material into the inlaid pattern shape and embed it in the recessed part of the wood. The inlaid pattern can be formed, and moreover, the inlaid state of the inlaid material can be reliably retained.

Further, when the pressing force of the mold is set to be equal to or higher than the yield load in the fiber direction of the wood, the wood is plastically deformed, so that the inlaid state of the inlaid material can be reliably maintained.

Furthermore, when the stroke of the mold is set so that the surface of the inlay material is the same as the general surface of the wood opening or is immersed from the general surface of the wood opening, it may be caught by another and peel off. This can be prevented, and the state in which the inlaid material is embedded can be reliably retained.

Furthermore, when the inlay material is made of leaves, since the inlay material is made of leaves, the inlay material can be crushed when pressed to enter the fibrous gap of the wood well, and therefore Therefore, it is possible to securely adhere the pieces and prevent the pieces from peeling off, and it is possible to further reliably hold the state in which the inlaid material is embedded. The pattern of the leaves is decoratively interesting,
Therefore, it is possible to diversify the inlaid pattern.

Further, when the step portion is formed on the inlay pattern of the die, the step pattern is also formed on the inlay material, which is decoratively interesting, so that the inlay pattern is diversified. be able to.

Further, when the adhesive is composed of an acrylic solvent-based adhesive, it is possible to easily remove the excess inlaid material without causing mechanical damage to the wood mouth, and that much, Workability can be improved.
In addition, the acrylic solvent-based pressure-sensitive adhesive has better weather resistance and heat resistance than other pressure-sensitive adhesives, and also has a high adhesive ability, so that the inlay material can be reliably attached, and the inlay material is There is an effect that the embedded state can be reliably retained. .

[Brief description of drawings]

FIG. 1 is a manufacturing process diagram illustrating a method for manufacturing an inlaid decorative body according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing an example of the inlaid decorative body and the mold of the method for manufacturing the inlaid decorative body according to the embodiment of the present invention.

FIG. 3 is a perspective view showing an example of an inlaid decorative body manufactured by a method for manufacturing an inlaid decorative body according to an embodiment of the present invention.

FIG. 4 is a perspective view showing a test piece and a mold for conducting an experiment on the relationship between the pressing force of the mold and the fitting depth of the mold.

FIG. 5 is a graph showing the relationship between the pressing force of the die of the wood test piece (hiba) and the insertion depth of the die.

FIG. 6 is a table showing the relationship between the pressing force of the mold and the fitting depth of the mold for the wood test piece (hiba).

FIG. 7 is a table showing the relationship between the pressing force of the mold and the fitting depth of the mold of the wood test piece (Harunire).

FIG. 8 is a table showing the relationship between the pressing force of the mold of the wood test piece (spruce) and the fitting depth of the mold.

FIG. 9 is a table showing the relationship between the pressing force of the die of the wood test piece (red lauan) and the insertion depth of the die.

FIG. 10 is a cross-sectional view taken along line P in FIG. 4 and is an enlarged view of a main part of a vertical cross section of a wood test piece (a micrograph is shown).

FIG. 11 is a table showing the experimental results for water absorption of the plastic surface of a wood test piece.

FIG. 12 is a perspective view showing another example of the inlaid decorative body manufactured by the method for manufacturing the inlaid decorative body according to the embodiment of the present invention.

[Explanation of symbols]

 1 Wood 2 Inlay Material 3 Inlay Decoration 4 Wood Mouth 5 Mold 6 Steps 7 Adhesive

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tamio Takahashi 5-137-25 Minamijibayashi, Ishitoriya-cho, Hikanuki-gun, Iwate Prefecture (72) Inventor Kunihiko Tamura 39, Kochidaira, Kozenji, Ichinohe-cho, Ninohe-gun, Iwate Prefecture 2

Claims (6)

[Claims] 1. A method of manufacturing an inlaid decorative body by embedding an inlaid material in wood, wherein a mold having an inlaid pattern is used, and a sheet-shaped inlaid material that can be sheared into an inlaid pattern shape by pressing the mold. This inlay material is attached to the surface of the wood mouth through an adhesive agent, and the inlay material is pressed in the fiber direction of the wood by the die to form the inlay material into the inlay pattern shape of the die. A method for manufacturing an inlaid decorative body, which is characterized in that it is embedded in the mouth of wood. 2. The method for producing an inlaid decorative article according to claim 1, wherein the pressing force of the mold is set to be equal to or higher than the yield load in the fiber direction of wood. 3. The inlaid decorative body according to claim 2, wherein the stroke of the mold is set such that the surface of the inlaid material is the same as the general surface of the wood opening or is immersed from the general surface of the wood opening. Manufacturing method. 4. The method for manufacturing an inlaid decorative body according to claim 1, wherein the inlaid material is made of leaves. 5. A step portion is formed in the pressing direction on the inlaid pattern of the mold, wherein the step is formed.
3. The method for manufacturing the inlaid decorative body according to 3 or 4. 6. The adhesive as claimed in claim 1, wherein the adhesive is made of an acrylic solvent type adhesive.
4. The method for manufacturing the inlaid decorative body according to 4 or 5.