JPH07237206A - Spotless synthetic lumber and its manufacture - Google Patents

Abstract

PURPOSE:To provide spotless synthetic lumber and a method for manufacturing the spotless synthetic lumber which almost never differs from natural spotless lumber in outward appearance and is easily formed in a large amount at a low cost. CONSTITUTION:Synthetic lumber A is manufactured by sticking the front and back facing and the right and left side edge lumber which have grain patterns (b), (c) on the surface to the front and back of a square frame body and to the side end parts thereof. The front cut end lumber 6 and the rear cut end lumber are stuck on the front and rear both sides of the frame body. The front cut end lumber 6 and the rear cut end lumber have a cut end grain pattern (d) nearly coincident with the grain pattern (b) of the facing 2 stuck to the frame body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid synthetic material used in the manufacturing industry of building materials, furniture and the like, and a method for manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, a constituent material used for furniture or the like, such as a top plate, is wide and relatively long, and has sufficient thickness to obtain strength and decorativeness. It is common to

However, at present, with the depletion of wood resources, it is not possible to obtain a large quantity of high quality production materials such as furniture, which makes them very expensive and not suitable for general furniture. It was difficult to use.

Therefore, synthetic materials called flash materials are commonly used in the industry for manufacturing furniture and the like.

As shown in FIG. 10 (a), this product forms a rectangular hollow frame with vertical and horizontal members 50 and 51, and surface materials 52 and 53 such as veneer and printed decorative material are attached to the front and back of the frame. By covering the hollow portion, an integrated plate member 54 is formed.Furthermore, edge members 55 and 56 of the same quality as the surface member attached to the front and back of the frame are formed on the front, rear, left and right end faces, respectively. It is attached.

Alternatively, or as shown in FIG.
The surface materials 52 and 53 attached to the front and back of the frame were extended to the front, rear, left, and right ends and bent, and then attached to these ends.

However, the synthetic plate material 54 has grain-like or grain-like wood grain on the front and back parts by the adhered surface materials 52 and 53, and it looks like a natural solid plate in plan view. However, the front and rear left and right edges, especially the front and rear edges, that is, the edge portion, have a surface material with wood grain or 55, 56.
However, it was uncomfortable as a solid board because it had a different grain from that of natural boards, and it was a product that had a reduced commercial value.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is a front and back surface material having a grain pattern on the front and back sides and side edges of a rectangular frame. And a synthetic material to which left and right side edge materials are adhered, a front edge material having a small grain pattern that substantially matches the grain pattern of the surface material attached to the front and rear sides of the frame body, and With the aim of providing a solid-like synthetic material and a manufacturing method thereof, which can easily and inexpensively mass-produce a synthetic material that is almost the same in appearance as a natural solid material by sticking a rear edge material. There is.

[0009]

Means for Solving the Problems The means of the present invention for achieving the above-mentioned object is a frame body formed into a rectangular shape by a pair of vertical frame members and a pair of horizontal frame members, and the front and back of this frame member. A front surface material and a back surface material each having a grain pattern on its surface, and a left edge material and a right edge material having a grain pattern on each of the left and right sides of the frame body. , Front and rear fore members which are adhered to the front and rear sides of the frame body at least on the front and back sides of the surface material adhered to the frame body in substantially conformity with the patterns of the wood grain respectively on the surface thereof, It is in the composition of a solid synthetic material equipped with.

Then, a frame body composed of a pair of vertical frame members and a pair of horizontal frame members is formed into a rectangular shape, and is formed so as to match the outer shape of the frame body. A front surface material and a back surface material having a pattern are attached to the front and back surfaces of the frame body, and molded so as to match the outer shapes on the left and right sides of the frame body, and a left edge material having a grain pattern on each surface thereof. And a right edge material, and further, a front edge material and a rear edge material that are formed to match the outer shapes of the front and rear sides of the frame body, at least the surface material of the surface material attached to the frame body. It is a method for manufacturing a solid-like synthetic material, in which a front fore-edge material and a rear fore-edge material having an edge grain substantially matched with a pattern are attached.

[0011]

The present invention configured as described above has the following operations.

A pair of vertical frame members and a pair of horizontal frame members are used to form a frame having a predetermined rectangular shape, and a front material and a back material having a grain pattern are attached to the front and back of the frame, A left edge member and a right edge member having a grain pattern on their surfaces are attached to both left and right sides of the frame body.

Then, the front and rear sides of the frame body are substantially matched with the grain pattern of the surface material attached to the frame body,
That is, it is a small ring-shaped small piece, and at the abutting part of the surface portion and the end surface portion, it is formed so that the end portion of the surface material grain or grain pattern and the end portion of the small portion material annual ring pattern are connected. A solid-like synthetic material is formed by attaching the front and rear edge members.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the solid synthetic material and the method for producing the same according to the present invention will be described below with reference to the drawings.

In FIGS. 1 and 3 and 4, A is a solid synthetic material, which is a frame body 1, a front surface material 2 and a back surface material 3, a left edge material 4 and a right edge material 5, a front edge material 6 and Basically, it is composed of the rear edge material 7.

As shown in FIG. 2, the frame 1 is formed into a rectangular shape by a pair of vertical frame members 8 and 9 and a pair of horizontal frame members 10 and 11, and each end portion is formed. It is firmly bonded with an adhesive or a connecting needle.

Incidentally, in the intermediate portion of the frame body 1, there may be provided a middle colander 12 at one place or a plurality of places as occasion demands. In this case, a horizontal member and a vertical member are selectively selected appropriately. Used.

The surface material 2, the back surface material 3, the left side edge material 4 and the right side edge material 5 have the patterns b and c of grain or grain-like grain formed on the surface thereof. The back surface material 3 is attached to the front and back of the frame body 1, and the left edge material 4 and the right edge material 5 are attached to both left and right sides of the frame body 1.

The front edge material 6 and the rear edge material 7 described above are
An annual ring-shaped pattern d of a small grain is formed on the surface of the frame 1, and the frame body 1 is attached to both front and rear sides.

In forming the front and back surface materials 2 and 3, the left and right side edge materials 4 and 5, and the front and rear edge materials 6 and 7,
A veneer sliced from a natural plate material, a log material or an artificial wood material to a predetermined thickness, for example, 0.2 to 0.8 mm is used, or a synthetic resin sheet such as vinyl chloride or a paper sheet (the sheet thickness can be appropriately selected. ) Printed with a wood grain pattern b is used.

The above-mentioned artificial wood material is, for example, a laminated raw material obtained by stacking natural veneer materials in multiple layers, which is tilted at a desired angle or sliced again at a desired position.

When a molded veneer is used, as shown in FIG. 5, a decorative veneer material is used to prevent cracks and the like.
Other veneer material 14 is attached to the back of 13 to make it composite,
By interposing a backing material 15 such as non-woven fabric, Japanese paper, or synthetic resin film between the veneer materials 13 and 14, and compounding them, the reinforcing properties of each material 2, 3, 4, 5, 6, 7 are improved. can get.

Each of these materials 2, 3, 4, 5, 6, 7
Is a wood grain pattern b on each side when the synthetic material A is formed by slicing a piece of log or square timber in series.
And c and d can be matched with each other without difficulty. For example, as shown in FIG. 6, the sliced portion 17 of the front and back surface materials 2 and 3 and the slice of the left and right side edge materials 4 and 5 from the square material 16. Part 18 and the part 19 of the front and rear small pieces 6 and 7 slices
Is what you get.

It is needless to say that the slice areas, positions and the like of these portions 17, 18 and 19 can be appropriately changed according to the shape of the synthetic material A to be formed.

Further, in the case of molding the front and rear edge members 6 and 7,
As shown in FIG. 7, a slice piece having a predetermined thickness is obtained from the log material 20, and the slice piece is cut into a width corresponding to the thickness of the synthetic material A as shown by a cutting line p in FIG. A small material 6, 7 as shown in FIG.
In accordance with the grain pattern b of the front and back materials 2 and 3, the grain pattern d is vertically changed in position, or the bonding positions of the grains 2 and 3 are shifted to form the grain patterns b and d. Align the.

In the slices of the front and rear edge materials 6 and 7, if the raw material is moistened or softened by high frequency or the like, there is little cracking in the product.

When a product formed by printing is used, each of the wood patterns b, c and d is photographed and once printed on a film sheet and then laminated on a substrate,
A conventional method such as direct printing on the surface of the base material is adopted. In this case, since the pattern design at the time of printing can be performed in advance, the grain pattern b on each surface of the synthetic material A, The ends of c and d can be matched with high accuracy.

Further, each of these materials 2, 3, 4, 5, 6, 7
As shown in FIG. 9, from the plate material 21 made of laminated wood to
It can also be obtained by slicing each of the parts 17, 18, and 19 as shown in FIG.

The frame body 1 thus formed and each material 2, 3,
The molding of the synthetic material A with 4, 5, 6, 7 is performed by using an appropriate adhesive agent, for example, vinyl acetate or hot melt (only mentioned as an example) on each surface of the frame body 1 as described above. Bonded by cold or hot pressure.

Therefore, first, when a pair of vertical frame members 8 and 9 and a pair of horizontal frame members 10 and 11 are used to form a rectangular frame, FIG.
The frame 1 is molded as shown in FIG.

Then, a grain pattern b is provided on the front and back of the frame 1.
The front surface material 2 and the back surface material 3 having the above are adhered with an adhesive, and the left edge member 4 and the right edge member 5 having the grain pattern c on the surface thereof are respectively provided on the left and right sides of the frame body 1. Make it stick.

Further, on both front and rear sides of the frame body 1, the surface material 2 and the back surface material 3 already attached to the frame body 1 (only the surface material 2 which is frequently visible in appearance may be used). Small edge (annual ring) that almost matches the pattern b of
Front and rear edge members 6 and 7 having a grain pattern d are selected, and at the abutting portion of the front surface portion and the back surface portion with the end face portion, the grain pattern or the grain pattern b of the surface material 2 and the back surface material 3 is selected. When it is attached so that the end portions of and the end portions of the annual ring pattern d of the edge members 6 and 7 are connected, a solid synthetic material A as shown in FIG. 1 is formed.

Further, it is more preferable that the grain pattern c of the left edge member 4 and the right edge member 5 is also matched, and further, if all of the grain patterns b, c, d are matched. , Which is even closer to that of natural solid wood and is good.

At this time, as shown in FIG.
As shown in FIG. 4 and FIG. 4, if chamfering 23 is performed, the joint ends of the materials 2, 3, 4, 5, 6, 7 will be difficult to see and the appearance will be good. The thickness of each material 2, 3, 4, 5, 6, 7 is preferable.

[0035]

As described above, the solid-like synthetic material of the present invention and the method for manufacturing the same include the front and back materials and the left and right side edges having a grain pattern on the front and back and side edges of the rectangular frame. In a synthetic material to which a material is attached, a front small piece and a rear small piece having front and back sides of the frame having a small grain pattern that substantially matches the grain pattern of the surface material attached to the frame By attaching it, it is possible to easily form a synthetic material that has almost the same visual appearance as that of natural solid wood, and it is possible to mass-produce industrially and to produce high-quality products. It has a special effect that it can be molded at low cost.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a solid synthetic material adopting the method for manufacturing a solid synthetic material according to the present invention.

FIG. 2 is a perspective view showing a frame body in FIG.

3 is a longitudinal sectional view of the synthetic material in FIG.

FIG. 4 is a cross-sectional view of the synthetic material in FIG. 1 in the width direction.

FIG. 5 is an enlarged cross-sectional view showing each material attached to the frame body in FIG.

6 is an explanatory view showing a molding state of each material in FIG. 1. FIG.

FIG. 7 is an explanatory view showing another example of the molding state in FIG.

FIG. 8 is a perspective view showing an edge member obtained by molding in FIG.

FIG. 9 is an explanatory diagram showing a molding state using another raw material in FIG.

FIG. 10 is a perspective view showing a conventional solid synthetic material.

[Explanation of symbols]

 A Solid-like synthetic material b, c, d Wood pattern 1 Frame 2 Surface material 3 Back material 4 Left edge material 5 Right edge material 6 Front edge material 7 Rear edge material 8, 9 Vertical frame material 10, 11 Horizontal frame Material

Claims (2)

[Claims] 1. A frame body formed into a rectangular shape by a pair of vertical frame members and a pair of horizontal frame members, and a surface material and a back surface which are attached to the front and back surfaces of the frame body and each of which has a grain pattern on its surface. Material, the left edge member and the right edge member having a grain pattern on the surface of each of the left and right sides of the frame body, and the front and rear sides of the frame body, at least the surface material that is attached to the frame body. A solid-like synthetic material, characterized in that it is provided with a front small piece and a rear small piece that are adhered so that the patterns of the grain of wood and the patterns of the grain of wood respectively are substantially matched. 2. A frame body composed of a pair of vertical frame members and a pair of horizontal frame members is formed into a rectangular shape, and is formed so as to match the outer shape of the frame body. A front surface material and a back surface material having a pattern are attached to the front and back surfaces of the frame body, and molded so as to match the outer shapes on the left and right sides of the frame body, and a left edge material having a grain pattern on each surface thereof. And a right edge material, and further, a front edge material and a rear edge material that are formed to match the outer shapes of the front and rear sides of the frame body, at least the surface material of the surface material attached to the frame body. A method for producing a solid synthetic material, characterized in that a front edge material and a rear edge material having an edge grain substantially matched with a pattern are attached.