JP7122536B2 - building materials - Google Patents

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JP7122536B2
JP7122536B2 JP2018032026A JP2018032026A JP7122536B2 JP 7122536 B2 JP7122536 B2 JP 7122536B2 JP 2018032026 A JP2018032026 A JP 2018032026A JP 2018032026 A JP2018032026 A JP 2018032026A JP 7122536 B2 JP7122536 B2 JP 7122536B2
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veneer
bending
building
base material
chamfered portion
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JP2019147260A (en
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剛志 岩渕
健次 森
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Description

本発明は、芯材と、芯材の角部を介して隣り合う２面に接着された木質系基材と、木質系基材の表面に積層された突き板とを備えた建材に関する。 TECHNICAL FIELD The present invention relates to a building material comprising a core material, a wooden base material bonded to two adjacent surfaces of the core material via corners, and a sliced veneer laminated on the surface of the wood base material.

従来、表面化粧材として、安価な木質系基材に突き板を貼り合わせた２層構造のものが用いられることがある。ところが、この種の表面化粧材では、薄めの突き板を使用した場合、角部に形成された面取り部に、内部に配された木質系基材が露出する可能性があり、意匠性にすぐれたものとはならないおそれがある。 BACKGROUND ART Conventionally, as a surface decorative material, a two-layer structure in which a sliced veneer is attached to an inexpensive wooden base material is sometimes used. However, with this type of decorative surface material, if a thin veneer is used, the wood-based base material placed inside may be exposed at the chamfered portion formed at the corners, which makes it difficult to design. There is a risk that it will not be the same.

ところで、表面化粧材を製造する技術として、表面化粧材の構成基材である木質系基材の裏面に折曲用溝を設けておき、その折曲用溝で折り曲げることで面取り部を形成するものが種々提案されている（たとえば、特許文献１参照）。この文献に記載された従来技術は、表面側に突き板を配した木質系基材が芯材に巻きつけてあるため、内部の木質系基材が面取り部において露出するおそれはない。 By the way, as a technique for manufacturing a decorative surface material, a groove for bending is provided on the back surface of a wooden base material, which is a constituent base material of the decorative surface material, and a chamfered portion is formed by bending along the groove for bending. Various proposals have been made (see, for example, Patent Document 1). In the prior art described in this document, since the wood-based base material having the veneer on the surface side is wound around the core material, there is no possibility that the inner wood-based base material is exposed at the chamfered portion.

特開２００３－８０５０６号公報JP-A-2003-80506

しかしながら、上記文献技術は、面取り部を含む隣り合う２面の全体を統一感のある突き板で表現できるものの、表面化粧材として１枚の単板が用いてあるように積極的に表現することはできない。また、柱材などの、床面に対して垂直方向に配する建材では、その垂直方向に延びた面取り部が目立つため、巻きつけてあるようには見せず、面取り部に隣接する２つの面に厚めの単板が用いてあるように表現したいとの要望もある。 However, in the above document technology, although the two adjacent surfaces including the chamfered portion can be expressed as a veneer with a sense of unity, it is positively expressed as if a single veneer is used as the surface decorative material. can't. In building materials such as pillars, which are arranged in a vertical direction to the floor surface, the chamfered part extending in the vertical direction is conspicuous, so it does not look like it is wrapped, and the two surfaces adjacent to the chamfered part are not shown. There is also a request to express as if a thicker veneer is used for the base.

本発明は、このような事情を考慮して提案されたもので、その目的は、面取り部に隣接する両方の面の表面部に厚めの単板が用いてあるように積極的に表現できる建材を提供することにある。 The present invention has been proposed in consideration of such circumstances, and its object is to provide a building material that can be positively expressed as if a thick veneer is used for the surface portions of both surfaces adjacent to the chamfered portion. is to provide

上記目的を達成するために、本発明の建材は、芯材と、芯材の角部を介して隣り合う２面に接着された木質系基材と、木質系基材の表面に積層された突き板とを備えた建材であって、木質系基材は、裏面に形成された折曲用溝を有した平板を折曲用溝で谷折り方向に折曲されてなり、その折曲された折曲部の内面が前記角部にあてがわれるように芯材に接着され、かつ、折曲部の外面には面取り部が形成されており、突き板は、木質系基材の面取り部において端部どうしを突き合わせるように隣接する少なくとも２つの分離突き板を備え、これら２つの分離突き板の端部どうしの突き合わせ位置が前記面取り部の幅方向の中間位置であることを特徴とする。 In order to achieve the above object, the building material of the present invention comprises a core material, a woody base material adhered to two adjacent surfaces via corners of the core material, and a woody base material laminated on the surface of the woody base material. A veneer is a building material comprising a veneer, wherein the wooden base material is formed by bending a flat plate having bending grooves formed on the back surface thereof in the valley fold direction at the bending grooves. The inner surface of the bent portion is adhered to the core material so as to be applied to the corner portion, and a chamfered portion is formed on the outer surface of the bent portion. At least two separation veneers are provided adjacent to each other so that the ends of the two separation veneers are butted against each other, and the position where the ends of these two separation veneers are butted is an intermediate position in the width direction of the chamfered portion. do.

本発明の建材は、上述した構成となっているため、面取り部に隣接する両方の面の表面部に厚めの単板が用いてあるように積極的に表現することができる。 Since the building material of the present invention has the structure described above, it can be expressed positively as if a thick veneer is used for the surface portions of both sides adjacent to the chamfered portion.

本発明の一実施形態に係る建材の説明図である。（ａ）は同建材（柱材）の設置状態を基準とした模式的概略横断面図、（ｂ）は同建材の一部の拡大横断面図である。1 is an explanatory diagram of a building material according to one embodiment of the present invention; FIG. (a) is a schematic schematic cross-sectional view based on the installation state of the same building material (pillar material), and (b) is an enlarged cross-sectional view of a part of the same building material. 同建材に用いられる表面化粧材の層構造を分離して示した概略縦断面図である。It is the schematic longitudinal cross-sectional view which separated and showed the layer structure of the surface decorative material used for the same building material. 同建材に用いられる表面化粧材の説明図である。（ａ）は表面化粧材の部分断面図と部分平面図とを対応させた模式図および部分拡大図、（ｂ）は同表面化粧材を折曲加工した状態を示す部分縦断面図および部分拡大図である。It is explanatory drawing of the surface decorative material used for the same building material. (a) is a schematic diagram and a partial enlarged view in which a partial cross-sectional view and a partial plan view of the surface decorative material correspond to each other, and (b) is a partial longitudinal sectional view and a partial enlarged view showing the state in which the same surface decorative material is bent. It is a diagram. 図１（ａ）のＡ方向から見た部分模式側面図である。It is a partial model side view seen from the A direction of Fig.1 (a).

以下に、本発明の実施の形態について、添付図面を参照しながら説明する。まず、図１を参照しながら、本建材３０の概略構成について説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. First, a schematic configuration of the building material 30 will be described with reference to FIG.

本建材３０は、芯材３１と、芯材３１の角部３１ａを介して隣り合う２面に接着された木質系基材１１と、木質系基材１１の表面に積層された突き板１３とを備えた建材とされる。ここで、木質系基材１１は、裏面に形成された折曲用溝１８（図２、図３参照）を有した平板を折曲用溝１８で谷折り方向に折曲されてなる。木質系基材１１は、その折曲された折曲部１９の内面が角部３１ａにあてがわれるように芯材３１に接着されており、かつ、折曲部１９の外面には面取り部１１ａが形成されている。突き板１３は、木質系基材１１の面取り部１１ａにおいて端部１３ａａ、１３ｂａどうしを突き合わせるように隣接する少なくとも２つの分離突き板１３ａ、１３ｂを備えている。 The building material 30 includes a core material 31, a wood-based base material 11 adhered to two adjacent surfaces of the core material 31 via corners 31a, and a veneer 13 laminated on the surface of the wood-based base material 11. It is considered to be a building material with Here, the wood-based base material 11 is obtained by bending a flat plate having a bending groove 18 (see FIGS. 2 and 3) formed on the rear surface thereof in a valley-folding direction at the bending groove 18 . The wood-based base material 11 is adhered to the core material 31 so that the inner surface of the folded portion 19 is applied to the corner portion 31a. is formed. The veneer 13 has at least two separation veneers 13a and 13b adjacent to each other so that the ends 13aa and 13ba of the chamfered portion 11a of the wooden base material 11 are butted against each other.

ついで、図１に加え、図２および図３を参照しながら、本建材３０の構成について詳述する。図１に示した建材３０は、面取り部２１が建物の床面（不図示）に対して垂直方向に延びるように配される柱材として利用されるものである。図１においては、建材３０（柱材）を設置した状態を基準として縦、横を規定した。つまり、図１に記載した断面図は横断面図とされる。また図２および図３においては、表面化粧材１０を構成する各板材の板面を上下に向けた状態を基準として縦、横を規定した。つまり、図２および図３に記載した断面図は縦断面図とされる。 Next, the configuration of the building material 30 will be described in detail with reference to FIGS. 2 and 3 in addition to FIG. The building material 30 shown in FIG. 1 is used as a pillar material arranged such that the chamfered portion 21 extends in a direction perpendicular to the floor surface (not shown) of the building. In FIG. 1, the length and width are defined based on the state in which the building material 30 (column material) is installed. In other words, the cross-sectional view shown in FIG. 1 is a transverse cross-sectional view. In FIGS. 2 and 3, the length and width are defined based on the state in which the plate surfaces of the plate members constituting the decorative surface member 10 are directed up and down. That is, the cross-sectional views shown in FIGS. 2 and 3 are vertical cross-sectional views.

この建材３０に貼り付けられた表面化粧材１０は、図１および図２に示すような層構造をなしている。すなわち、表面化粧材１０は、木質系基材１１と、その表面上に配された突き板１３と、さらにその表面上に配された透明樹脂層１４と、さらにその表面上に配された透明なフィルムシート１６とを備えている。 The surface decorative material 10 attached to the building material 30 has a layered structure as shown in FIGS. That is, the surface decorative material 10 comprises a wooden base material 11, a veneer 13 arranged on the surface thereof, a transparent resin layer 14 arranged on the surface thereof, and a transparent resin layer 14 arranged on the surface thereof. and a film sheet 16.

木質系基材１１は、表面化粧材１０の基材をなす板状材料であり、本実施形態のものでは、中密度繊維板（ＭＤＦ）で構成されている。表面化粧材１０を低コストで形成するためには、このようにＭＤＦを木質系基材１１の材料として含ませることが望ましい。もちろん木質系基材１１は、他の材料で構成されていてもよく、さらに複数材料による層構造のものであってもよい。 The wood-based base material 11 is a plate-like material forming the base material of the surface decorative material 10, and in the present embodiment, it is made of a medium density fiberboard (MDF). In order to form the surface decorative material 10 at a low cost, it is desirable to include MDF as the material of the wooden base material 11 in this manner. Of course, the wood-based base material 11 may be composed of other materials, and may have a layered structure composed of a plurality of materials.

突き板１３としては、スライス単板よりなるものが使用され、たとえば約０．２５ｍｍ厚のものが用いられればよい。なお、集成材をスライスした突き板１３であってもよい。上述したように、この突き板１３は、１つの柱における四周各面に対応した略同厚みの複数（４つ）の分離突き板１３ａ、１３ｂよりなる。 As the veneer 13, a sliced veneer having a thickness of about 0.25 mm, for example, may be used. The sliced veneer 13 obtained by slicing laminated wood may also be used. As described above, this sliced veneer 13 is composed of a plurality (four) of separated sliced plates 13a and 13b having substantially the same thickness corresponding to the four circumferential surfaces of one column.

これらの分離突き板１３ａ、１３ｂのそれぞれの少なくとも表層部には、透明樹脂層１４の形成材料である透明樹脂材料が浸透している。この樹脂浸透部は本表面化粧材１０を製造する際に透明樹脂材料の塗布により形成されるものである。なお、透明樹脂層１４および樹脂浸透部は、分離突き板１３ａ、１３ｂのいずれにも形成されていることが統一した意匠性を表現するためには望ましいが、より目立つ面など、一方のみに対して形成されていてもよい。 A transparent resin material, which is a material for forming the transparent resin layer 14, permeates at least the surface layer of each of the separation veneers 13a and 13b. This resin-permeated portion is formed by applying a transparent resin material when manufacturing the surface decorative material 10 . It should be noted that it is desirable that the transparent resin layer 14 and the resin-permeated portion be formed on both of the separation veneer plates 13a and 13b in order to express a unified design. may be formed by

この透明樹脂材料は、分離突き板１３ａ、１３ｂに浸透しているだけではなく、分離突き板１３ａ、１３ｂの表面の微細凹凸の凹部を埋めて透明樹脂層１４を形成させている。透明樹脂材料としては、たとえば紫外線硬化型アクリルウレタン等が挙げられるが、これには限定されず熱硬化型のものを用いてもよい。また透明樹脂材料としては、半透明のものであってもよいし、色を含んだ透明、半透明のものであってもよく、少なくとも突き板１３の表面模様を透過させて表出できるものであればよい。 This transparent resin material not only permeates the separating veneers 13a and 13b, but also fills the recesses of the fine irregularities on the surfaces of the separating veneers 13a and 13b to form the transparent resin layer . Examples of the transparent resin material include ultraviolet curable acrylic urethane and the like, but the material is not limited to this and a thermosetting material may be used. The transparent resin material may be translucent, transparent or translucent with color, and at least the surface pattern of the veneer 13 can be transmitted through and exposed. I wish I had.

フィルムシート１６としては、透明な、たとえば０．７ｍｍ程度の厚みのポリプロピレン樹脂シートが用いられればよい。これには限られず、ポリスチレン、塩化ビニル等の樹脂製のものが用いられてもよい。このフィルムシート１６は、ポリウレタン系接着剤が塗布されて透明樹脂層１４の上に貼着されたものである。したがって、透明樹脂層１４の上に貼着されるフィルムシート１６の接着剤１７と、透明樹脂材料とは、それらの相互の接着性を考慮して、両材料を選択される必要がある。また、この接着剤１７による層についても透明とされることが望ましいことは言うまでもない。この接着剤１７は、図２には図示したが、図１および図３には層としての図示は省略した。 As the film sheet 16, a transparent polypropylene resin sheet having a thickness of, for example, about 0.7 mm may be used. The material is not limited to this, and a material made of resin such as polystyrene or vinyl chloride may be used. The film sheet 16 is adhered to the transparent resin layer 14 with a polyurethane adhesive applied thereto. Therefore, the adhesive 17 of the film sheet 16 attached on the transparent resin layer 14 and the transparent resin material must be selected in consideration of their mutual adhesiveness. Needless to say, it is desirable that the layer of the adhesive 17 is also transparent. Although this adhesive 17 is illustrated in FIG. 2, illustration as a layer is omitted in FIGS. 1 and 3. FIG.

本表面化粧材１０は、その表面側に配される透明樹脂層１４、接着剤層およびフィルムシート１６がいずれも透明であるため、突き板１３の表面の木目等の模様、色は表面化粧材１０の表面模様、表面色として外観に露出する。 Since the transparent resin layer 14, the adhesive layer and the film sheet 16 arranged on the surface side of the present surface decorative material 10 are all transparent, the pattern such as wood grain on the surface of the sliced veneer 13 and the color are similar to those of the surface decorative material. 10 surface patterns and surface colors are exposed to the exterior.

この表面化粧材１０は、裏面に、三角形部分１８ｃ（図２において破線で図示）を介して２つの連なるＶ溝１８ａ、１８ｂよりなる折曲用溝１８（図２において破線で図示）が形成されている。表面化粧材１０は芯材３１に対し巻きつけるように配されるものであり、かつ、折曲用溝１８は芯材３１の角部３１ａにあてがわれる部位であるため、折曲用溝１８は芯材３１の４つの角部３１ａに対応するように４箇所に形成されている（図２には３つを図示）。なお、折曲用溝１８の形状としては図２に示したものには限られず、折曲用溝１８で折り曲げることで、表面に、図１に示したような面取り部２１が形成されるような形状であればよい。 The surface decorative material 10 is formed with a bending groove 18 (shown by broken lines in FIG. 2) consisting of two V-shaped grooves 18a and 18b connected via a triangular portion 18c (shown by broken lines in FIG. 2). ing. Since the surface decorative material 10 is arranged so as to be wound around the core material 31 and the bending grooves 18 are portions that are applied to the corners 31a of the core material 31, the bending grooves 18 are formed at four locations corresponding to the four corners 31a of the core material 31 (three are shown in FIG. 2). The shape of the bending groove 18 is not limited to that shown in FIG. Any shape is acceptable.

ここで、一方のＶ溝１８ａは、表面化粧材１０を折り曲げることで、建材３０（柱材）における一方の面２２と面取り部２１との表面折曲境界２１ａ（図１（ｂ）参照）を形成するためのものである。また、他方のＶ溝１８ｂは、表面化粧材１０を折り曲げることで、建材３０（柱材）における面取り部２１と他方の面２３との表面折曲境界２１ｂ（図１（ｂ）参照）を形成するためのものである。 Here, one V-groove 18a is formed by bending the surface decorative material 10 so that the surface bending boundary 21a (see FIG. 1B) between one surface 22 and the chamfered portion 21 of the building material 30 (column material) is formed. It is for forming. The other V-groove 18b forms a surface bending boundary 21b (see FIG. 1B) between the chamfered portion 21 and the other surface 23 of the building material 30 (column) by bending the surface decorative material 10. It is for

この折曲用溝１８は、折曲用溝１８を介した両側部分がつながっているようなものであればよく、つまり上述したようにフィルムシート１６まで到達しない溝であればよい。逆に言えば、表面化粧材１０にはフィルムシート１６が設けてあるため、フィルムシート１６の裏面に、より近づくように深い折曲用溝１８を形成することができる。なお、折曲用溝１８は、曲げやすさの観点からはフィルムシート１６のみでつながっている深い溝であることが望ましいが、突き板１３に隙間ができやすくなることを抑制するためには、図例のように突き板１３まで到達しないものとすることが望ましい。 The folding groove 18 may be formed so that both sides of the folding groove 18 are connected, that is, the groove does not reach the film sheet 16 as described above. Conversely, since the film sheet 16 is provided on the surface decorative material 10, the deep folding groove 18 can be formed on the back surface of the film sheet 16 so as to be closer. From the viewpoint of ease of bending, the bending grooves 18 are preferably deep grooves connected only by the film sheet 16. It is desirable that it does not reach the veneer 13 as shown in the figure.

この表面化粧材１０にはこのような折曲用溝１８が形成されているため、表面化粧材１０を、芯材３１の角部３１ａを介して隣り合う２面を含む芯材３１の全周を覆う化粧材として容易に貼り付けることができる（図１参照）。 Since the grooves 18 for bending are formed in the surface decorative material 10, the surface decorative material 10 is bent over the entire circumference of the core material 31 including two adjacent surfaces via the corners 31a of the core material 31. It can be easily pasted as a decorative material covering the (see FIG. 1).

また、この表面化粧材１０によれば、突き板１３の表層部に透明樹脂材料が浸透しているため、透明樹脂層１４と透明なフィルムシート１６を介して、表面化粧材１０の表面に濡れ色や元の木目色とは異なる微妙な色を表出させることができる。濡れ色とは水に濡れたようなつややかな色とされ、製造工程において、液状の透明樹脂材料が木質板１３の微細部に入り込み、その後硬化することで表出される。また、透明樹脂材料が突き板１３の表面の微細な凹部に入り込み水たまりのような透明樹脂層１４が形成されることによっても、濡れ色や元の木目色とは異なる微妙な色を表出させることができる。 Further, according to the surface decorative material 10, since the transparent resin material permeates the surface layer of the veneer 13, the surface of the surface decorative material 10 is wetted through the transparent resin layer 14 and the transparent film sheet 16. A subtle color different from the color or the original wood grain color can be expressed. The wet color is a lustrous color that looks like it has been wet with water, and appears when the liquid transparent resin material enters the minute portions of the wooden board 13 in the manufacturing process and then hardens. In addition, the transparent resin material enters fine recesses on the surface of the sliced veneer 13 to form a puddle-like transparent resin layer 14, whereby a wet color or a subtle color different from the original wood grain color is expressed. be able to.

透明樹脂層１４つまり透明樹脂材料は完全な無色透明でなくてもよく、わずかに色を含んだものでもよい。そのような色付きのものを浸透させることで、木目の模様はそのままにして、木目色を透明樹脂材料に配合された色に変化させて外観露出させるようにすることもできる。 The transparent resin layer 14, that is, the transparent resin material may not be completely colorless and transparent, and may be slightly colored. By infiltrating such a colored material, it is possible to change the wood grain color to the color blended in the transparent resin material and expose the appearance while leaving the wood grain pattern as it is.

また、突き板１３に透明樹脂材料が浸透しているため、表面化粧材１０を折曲する場合に、その浸透し硬化した透明樹脂材料により、突き板１３の割れの発生を抑制することができる。浸透し硬化した後に高い伸び性が発現される透明樹脂材料を用いれば、曲げ加工は特にしやすくなる。また、突き板１３まで到達していないような折曲用溝１８を設けることにより、さらに突き板１３の割れの発生を防止することができる。 In addition, since the transparent resin material permeates the veneer 13, when the surface decorative material 10 is bent, the permeated and hardened transparent resin material can suppress the occurrence of cracks in the veneer 13. . If a transparent resin material that exhibits high elongation after permeation and hardening is used, it is particularly easy to bend. Further, by providing the bending groove 18 that does not reach the veneer 13, cracking of the veneer 13 can be further prevented.

さらに、木質系基材１１と突き板１３との間に、紙、不織布、樹脂シートなどによる強化シートを積層して、突き板１３の割れの発生を抑制するようにしてもよい。強化シートとして突き板１３の表面色と同系色のものを用いれば、かりに突き板１３が割れた場合でも、下方の強化シートにより、その割れを目立ちにくくすることができる。 Further, a reinforcing sheet made of paper, non-woven fabric, resin sheet, or the like may be laminated between the wooden base material 11 and the veneer 13 to suppress cracking of the veneer 13 . If a reinforcing sheet having the same color as the surface color of the veneer 13 is used, even if the veneer 13 is cracked, the crack can be made inconspicuous by the lower reinforcing sheet .

つぎに、分離突き板１３ａ、１３ｂの、表面化粧材１０の表面への表れ方について、図３を中心に参照しながら説明する。 Next, how the separating veneers 13a and 13b appear on the surface of the surface decorative material 10 will be described with reference mainly to FIG.

上述したように、２つのＶ溝１８ａ、１８ｂは表面化粧材１０（建材３０）の表面に面取り部２１を形成するためのものである。図３（ａ）の拡大図に示すように、一方の分離突き板１３ａはＶ溝１８ａ、１８ｂの溝尖端間の略中央の図の左側に、他方の分離突き板１３ｂは同溝尖端間の図の右側に貼着されている。また図３（ａ）の平面図に示すように、２枚の隣接する分離突き板１３ａ、１３ｂの表面模様を相互に異ならせることができる。 As described above, the two V-grooves 18a and 18b are for forming the chamfered portion 21 on the surface of the decorative surface material 10 (building material 30). As shown in the enlarged view of FIG. 3(a), one separation veneer 13a is located on the left side of the drawing, approximately in the center between the tips of the V-grooves 18a and 18b, and the other separation veneer 13b is positioned between the tips of the V-grooves 18a and 18b. It is pasted on the right side of the figure. Also, as shown in the plan view of FIG. 3(a), the surface patterns of two adjacent separation veneers 13a and 13b can be made different from each other.

このような表面化粧材１０を折曲用溝１８で谷折り方向に折り曲げれば、図３（ｂ）に示すように、表面化粧材１０の角部に対応した面取り部２１が形成される。つまり、Ｖ溝１８ａの溝尖端部分が、一方の面２２と面取り部２１との表面折曲境界２１ａを形成し、Ｖ溝１８ｂの溝尖端部が、面取り部２１と他方の面２３との表面折曲境界２１ｂを形成する。面取り部２１の幅方向の中間位置において２枚の分離突き板１３ａ、１３ｂが端部１３ａａ、１３ｂａを突き合わせるように隣接しているため、その継ぎ目１３ｃ（集成位置）が面取り部２１において、透明樹脂層１４とフィルムシート１６を通して外観露出する。 When the surface decorative material 10 is folded in the direction of valley fold along the folding groove 18, chamfered portions 21 corresponding to the corners of the surface decorative material 10 are formed as shown in FIG. 3(b). That is, the groove tip portion of the V-groove 18a forms a surface bending boundary 21a between the one surface 22 and the chamfered portion 21, and the groove tip portion of the V-groove 18b forms the surface between the chamfered portion 21 and the other surface 23. A folding boundary 21b is formed. Since the two separation veneer plates 13a and 13b are adjacent to each other so that the ends 13aa and 13ba face each other at the intermediate position in the width direction of the chamfered portion 21, the seam 13c (assembled position) is transparent at the chamfered portion 21. The external appearance is exposed through the resin layer 14 and the film sheet 16 .

このような表面化粧材１０が建材３０（柱材）の化粧材として用いてあるため、図１（ａ）におけるＡ方向（白抜き矢印）から柱材３０を見た側面図は、図４に示すように、面取り部２１において、２つの分離突き板１３ａ、１３ｂの端部１３ａａ、１３ｂａが隣り合った状態となる。図４に示すように、面取り部２１には継ぎ目１３ｃを介して隣接する分離突き板１３ａ、１３ｂのそれぞれの一部が表れる。これらの面取り部２１における分離突き板１３ａ、１３ｂの各部位はあたかも、対応する分離突き板１３ａ、１３ｂの傾斜端面（断面）つまり厚さ面のように外観露出する。 Since such a surface decorative material 10 is used as a decorative material for a building material 30 (post material), a side view of the post material 30 viewed from direction A (white arrow) in FIG. 1(a) is shown in FIG. As shown, at the chamfered portion 21, the ends 13aa and 13ba of the two separation veneer plates 13a and 13b are adjacent to each other. As shown in FIG. 4, the chamfered portion 21 shows a part of each of the adjacent separation veneers 13a and 13b via the seam 13c. Each part of the separating sliced plates 13a and 13b at these chamfered portions 21 is exposed as if it were an inclined end surface (cross section) of the corresponding separated sliced plates 13a and 13b, that is, a thickness surface.

ようするに、本建材３０によれば、面取り部２１に隣接する両方の面のそれぞれに、突き板１３として厚めの単板が用いてあるように表現でき、高級感を演出することができる。具体的には、図１（ｂ）に示すように、分離突き板１３ａ、１３ｂの表面から２点鎖線までの厚みの単板が用いてあるかのように表現できる。また図４に示すように、建材３０の両側面２２、２３は異なる種類の分離突き板１３ａ、１３ｂの模様、色により、両面の模様、色を異ならせることもできる。 In short, according to the building material 30, it can be expressed as if a thick veneer is used as the sliced veneer 13 on each of both surfaces adjacent to the chamfered portion 21, and a high-class feeling can be produced. Specifically, as shown in FIG. 1B, it can be expressed as if a veneer with a thickness from the surface of the separation veneer 13a, 13b to the two-dot chain line is used. Also, as shown in FIG. 4, both side surfaces 22 and 23 of the building material 30 can have different patterns and colors depending on the patterns and colors of the different types of separation veneers 13a and 13b.

さらに、突き板１３（分離突き板１３ａ、１３ｂ）の表層部に透明樹脂材料が浸透していれば、突き板１３の表面に濡れ色を表現させることができ、意匠性のさらなる向上を図ることができる。 Furthermore, if the surface layer of the sliced plate 13 (separated sliced plates 13a and 13b) is permeated with a transparent resin material, the surface of the sliced plate 13 can express a wet color, which further improves the design. can be done.

上記には建材３０として柱材を例示したが、開き戸等の開口縁に設置する戸枠材にも適用できる。また、本建材３０は、柱材３０や戸枠材のように面取り部２１が垂直方向に延びるように配されるものには限られず、面取り部２１が他の方向（たとえば水平方向）に延びるように設置されるものにも適用できることは言うまでもない。 In the above, a pillar material was exemplified as the building material 30, but it can also be applied to a door frame material installed at the edge of an opening such as a hinged door. Moreover, the main building material 30 is not limited to those arranged such that the chamfered portion 21 extends in the vertical direction like the pillar material 30 or the door frame material, and the chamfered portion 21 extends in another direction (for example, the horizontal direction). Needless to say, it can also be applied to a device installed in a manner similar to the above.

１０ 表面化粧材
１１ 木質系基材
１１ａ （木質系基材における）面取り部
１１ｂ （木質系基材における）一方の面
１１ｃ （木質系基材における）他方の面
１３ 突き板
１３ａ 分離突き板（突き板）
１３ａａ 端部
１３ｂ 分離突き板（突き板）
１３ｂａ 端部
１４ 透明樹脂層
１６ フィルムシート
１７ 接着剤
１８ 折曲用溝
１８ａ、１８ｂ Ｖ溝
１９ 折曲部
２１ （建材、表面化粧材における）面取り部
２２ （建材、表面化粧材における）一方の面
２３ （建材、表面化粧材における）他方の面
３０ 建材（柱材）
３１ 芯材
３１ａ 角部

10 Surface decorative material 11 Wooden base material 11a Chamfered part (in wooden base material) 11b One surface (in wooden base material) 11c Other surface (in wooden base material) 13 Veneer 13a Separation veneer board)
13aa end 13b separation veneer (veneer)
13ba End 14 Transparent resin layer 16 Film sheet 17 Adhesive 18 Folding grooves 18a, 18b V-groove 19 Folding part 21 Chamfered part 22 (Building material, surface decorative material) One side (building material, surface decorative material) 23 The other side (of building materials and decorative surface materials) 30 Building materials (column materials)
31 core material 31a corner

Claims (4)

芯材と、該芯材の角部を介して隣り合う２面に接着された木質系基材と、該木質系基材の表面に積層された突き板とを備えた建材であって、
前記木質系基材は、裏面に形成された折曲用溝を有した平板を該折曲用溝で谷折り方向に折曲されてなり、その折曲された折曲部の内面が前記角部にあてがわれるように前記芯材に接着され、かつ、前記折曲部の外面には面取り部が形成されており、
前記突き板は、前記木質系基材の前記面取り部において端部どうしを突き合わせるように隣接させた少なくとも２つの分離突き板を備え、これら２つの分離突き板の端部どうしの突き合わせ位置が前記面取り部の幅方向の中間位置であることを特徴とする建材。 A building material comprising a core material, a wood-based base material bonded to two adjacent surfaces of the core material via corners, and a sliced veneer laminated on the surface of the wood-based base material,
The wood-based base material is obtained by bending a flat plate having a groove for bending formed on the back surface in the direction of valley fold at the groove for bending, and the inner surface of the bent portion is the corner. and a chamfered portion is formed on the outer surface of the bent portion,
The veneer includes at least two separation veneers adjacent to each other so that the ends of the two separation veneers are butted against each other at the chamfered portion of the wood-based base material, and the abutting positions of the ends of the two separation veneers are: A building material , wherein the chamfered portion is located at an intermediate position in the width direction . 請求項１において、
前記面取り部が建物の床面に対して垂直方向に延びるように配されることを特徴とする建材。 In claim 1,
A building material characterized in that the chamfered portion is arranged so as to extend in a direction perpendicular to a floor surface of a building. 請求項１または２において、
前記突き板の表面側には透明なフィルムシートが貼着されており、かつ、前記突き板の裏面側には前記折曲用溝が前記フィルムシートまで到達しないように形成されていることを特徴とする建材。 In claim 1 or 2,
A transparent film sheet is attached to the surface side of the veneer, and the groove for bending is formed on the back side of the veneer so as not to reach the film sheet. building materials. 請求項１～３のいずれか１項において、
前記突き板の少なくとも表層部に透明樹脂材料が浸透していることを特徴とする建材。 In any one of claims 1 to 3,
A building material characterized in that a transparent resin material permeates at least a surface layer of the veneer.
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JP5368489B2 (en) 2011-01-21 2013-12-18 大建工業株式会社 Manufacturing method of cosmetic material

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JP2002086419A (en) 2000-09-12 2002-03-26 Matsushita Electric Works Ltd Building board and built-up building material bent by using it
JP2003080506A (en) 2001-09-13 2003-03-19 Okabe Kogyo Kk Method for processing lumber of sliced veneer bonded onto surface
JP2007009489A (en) 2005-06-29 2007-01-18 Daiken Trade & Ind Co Ltd Decorative material and method of manufacturing floor material or entrance upset frame using the same
JP2010143126A (en) 2008-12-19 2010-07-01 Panasonic Electric Works Co Ltd Decorative base material and building material
JP5368489B2 (en) 2011-01-21 2013-12-18 大建工業株式会社 Manufacturing method of cosmetic material

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