JP4286899B1 - Stretchable wooden structure and flash panel using the wooden structure as a core material - Google Patents
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- 238000005452 bending Methods 0.000 claims abstract description 61
- 239000002023 wood Substances 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims description 39
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
【課題】フラッシュパネルのコア材として用いるのに適した木質構造体であって、強度および取り扱い性に優れるとともに、面材との接着強度が高く、面材を十分に補強することができ、廃材の再利用が可能な木質構造体を提供する。
【解決手段】伸縮可能な木質構造体１であって、木質材料からなる帯状の板基材２を、板面同士を対向させて多数積層し、前記板基材２には、板基材の幅方向に平行であって、板基材の上面または下面に開口する折曲用溝３を複数設け、反対側の板面に貼着したフレキシブルシート４により、折曲用溝３の両側を折り曲げ可能に繋げ、且つ、全ての折曲用溝３の開口が、屈曲方向と反対側になるよう、折曲用溝３の開口方向と板基材２の接着箇所を構成する。
【選択図】図１
A wood structure suitable for use as a core material of a flash panel, which has excellent strength and handleability, has high adhesive strength with a face material, and can sufficiently reinforce the face material. A reusable wood structure is provided.
A stretchable wood structure 1 in which a plurality of strip-like plate base materials 2 made of a wood material are laminated with their plate surfaces facing each other. A plurality of folding grooves 3 that are parallel to the width direction and open on the upper surface or the lower surface of the plate base material are provided, and both sides of the bending grooves 3 are bent by a flexible sheet 4 attached to the opposite plate surface. The opening direction of the bending groove 3 and the bonding location of the plate base material 2 are configured so that they can be connected and the opening of all the bending grooves 3 is opposite to the bending direction.
[Selection] Figure 1
Description
本発明は、フラッシュパネル等のコア材として利用することができる木質構造体、および当該木質構造体をコア材とするフラッシュパネルに関する。 The present invention relates to a wood structure that can be used as a core material for a flash panel or the like, and a flash panel that uses the wood structure as a core material.
現在、世界的に木質性資源の枯渇、リユースされた木質材料の工業化への規制強化が進んでいる。家具・建具材料に用いられる、約３ｍｍ程度の厚さの木質材料からなる平板（例えば、合板、パーティクルボード、ＭＤＦ［木材繊維を接着剤と共に熱圧・成板した木質ボード］の各１あるいは、それぞれの複合材）は主に「面材」と呼ばれ、表面にポリエステル塗装を行ったものや、オレフィン系のシートを貼ったものなど多種多様なものがある。これらの面材は、表面の化粧が鮮やかである一方、製造工程で発生するその端材は、表面に塗布あるいは貼付された材料（ポリエステル樹脂や、オレフィン紙など）のため粉砕して再加工しても、接着性や表面意匠性などのため、パーティクルボード等にできない。その結果、焼却処分する事が主になっている。 At present, regulations on the depletion of woody resources and industrialization of reused wood materials are being strengthened worldwide. A flat plate made of woody material with a thickness of about 3 mm (for example, plywood, particle board, MDF [woody board made of wood fiber with adhesive and heat-pressed and laminated)] used for furniture and joinery materials, or Each composite material) is mainly called a “face material”, and there are a wide variety of materials such as those coated with polyester on the surface and those coated with an olefin-based sheet. These face materials have a vivid surface makeup, while the end materials generated in the manufacturing process are crushed and reprocessed for materials (polyester resin, olefin paper, etc.) applied or affixed to the surface. However, it cannot be made into a particle board or the like due to adhesiveness and surface design. As a result, it is mainly incinerated.
一方、家具や建具には見えない部分に紙質（ダンボール）を使用して、強度や物性（反り曲がりの矯正など）を向上させているものがある。代表的なものとして、紙製のハニカムコアを面材でサンドイッチした構造をもつ、フラッシュパネルが挙げられる。しかし、紙製のコアは、それ自体としても、製品化後も、強度、反り、表面接着強度についてきわめて重篤な欠点が発生しやすい。例を挙げると、紙製のコアを用いたフラッシュパネルでは、（１）コア材が薄いため、コア材と面材の接着面積が少なく、接着力不足のため、はく離しやすい。したがって、面材のひずみを十分に吸収できない。また、コア材が薄くて軽く、十分な強度を有していないため、面材が変位（反り曲がり等）したときに、フラッシュパネル自体に反り曲がりが発生する。（２）面材が木質材料であり、コア材が紙質材料であって、両部材の素材が違うため効果的に接着できる接着剤が少ない。（３）面材自身の強度は小さいため、コア材により十分に補強されていないと、連続的な開閉に伴う衝撃、面材に対する不規則な衝撃があった場合、面材の破損が生じる。などといった問題が存在する。 On the other hand, there are some which use paper quality (corrugated cardboard) for parts that cannot be seen in furniture and joinery to improve strength and physical properties (such as correction of warping and bending). A typical example is a flash panel having a structure in which a paper honeycomb core is sandwiched between face materials. However, the paper core itself and the product are likely to have serious defects in strength, warpage, and surface adhesion strength. For example, in a flash panel using a paper core, (1) since the core material is thin, the bonding area between the core material and the face material is small, and the adhesive force is insufficient. Therefore, the distortion of the face material cannot be sufficiently absorbed. In addition, since the core material is thin and light and does not have sufficient strength, the flash panel itself is warped when the face material is displaced (warped or bent). (2) The face material is a wood material, the core material is a paper material, and since the materials of both members are different, there are few adhesives that can be effectively bonded. (3) Since the strength of the face material itself is small, if it is not sufficiently reinforced by the core material, damage to the face material occurs when there is an impact due to continuous opening and closing and an irregular impact on the face material. There are problems such as.
コア材としての効果を高めるため、例えば、紙製ハニカムコアのピッチ（間隔）を小さくすることが考えられるが、コア材の量が増えると、重量が重くなるとともに、コストがかかるという問題がある。また、紙製ハニカムコア材はリサクルするよりバージンパルプから製造したほうが安く環境に優しいため、資源のリサイクルという課題を解決できないといった問題も存在する。
特許文献１には、ハニカムコアのセル構造を工夫することにより、ハニカムコアの圧縮強度を向上させる発明が開示されているが、上記問題点全てを有効に解決することはできない。
Patent Document 1 discloses an invention that improves the compressive strength of the honeycomb core by devising the cell structure of the honeycomb core, but cannot solve all of the above problems effectively.
本発明は、上述した問題を解決するため、特にフラッシュパネルのコア材として用いるのに適した木質構造体であって、強度および取り扱い性に優れるとともに、面材との接着強度が高く、面材を十分に補強することができ、廃材の再利用が可能な木質構造体を提供することを課題とする。 In order to solve the above-described problems, the present invention is a wood structure particularly suitable for use as a core material of a flash panel, and has excellent strength and handling properties, and has high adhesive strength with a face material, and the face material. It is an object of the present invention to provide a wooden structure that can sufficiently reinforce and recycle waste materials.
本発明者は、上記課題を解決するため、面材の端材でコア材を製造することに想到し、試作を繰り返した結果、剛性の高い板材からなる構造体でありながら、伸縮可能で取り扱い性に優れた木質構造体を作成することに成功し、本発明を完成した。 In order to solve the above problems, the present inventor has conceived that the core material is manufactured from the end material of the face material, and as a result of repeating the trial production, the structure is made of a highly rigid plate material, but can be expanded and contracted. The present invention was completed by successfully producing a wooden structure excellent in properties.
本発明は、上記課題を解決するため、以下の構成を有する。
伸縮可能な木質構造体であって、
木質材料からなる帯状の板基材を、板面同士を対向させて多数積層したこと、
前記板基材には、板基材の幅方向に平行であって、板基材の上面または下面に開口する折曲用溝が複数設けられていること、
少なくとも、板基材端部に最も近い溝を除く全ての折曲用溝が、上面に開口する溝と下面に開口する溝の２本ごとの繰り返しにより配置されていること、
前記板基材はそれぞれ、隣接する板基材と、折曲用溝の開口同士あるいは先端同士が向かい合うか近接するように積層されていること、
前記板基材はそれぞれ、折曲用溝で区切られた区画を一単位として、隣接する板基材と接着される一単位と当該板基材と接着されない三単位の繰り返しにより、隣接する板基材と連結されていること、
前記接着される一単位は、同じ面に開口する溝によって挟まれた一単位か、あるいは板基材の端部に存在する一単位であり、溝開口側の面により隣接する板基材と接着されていること、および
前記折曲用溝の先端が反対側の板面に実質的に達しており、当該反対側の板面に貼着されたフレキシブルシートにより、溝両側の単位が折り曲げ可能に繋がっていること
を特徴とする。
In order to solve the above problems, the present invention has the following configuration.
An elastic wooden structure,
A large number of strip-shaped plate base materials made of wood material, with the plate surfaces facing each other,
The plate substrate is provided with a plurality of bending grooves that are parallel to the width direction of the plate substrate and open on the upper surface or the lower surface of the plate substrate.
At least all of the bending grooves except the groove closest to the edge of the plate base material are arranged by repeating every two grooves, the groove opening on the upper surface and the groove opening on the lower surface,
Each of the plate base materials is laminated such that the adjacent plate base materials and the openings of the groove for bending or the tips face each other or are close to each other,
Each of the plate bases is an adjacent plate base by repeating one unit bonded to the adjacent plate base and three units not bonded to the plate base, each of which is a unit divided by the bending grooves. Connected with the material,
The unit to be bonded is one unit sandwiched by grooves opened on the same surface, or one unit existing at the end of the plate base material, and is bonded to the adjacent plate base material by the surface on the groove opening side. And the end of the bending groove substantially reaches the opposite plate surface, and the flexible sheet adhered to the opposite plate surface allows the unit on both sides of the groove to be bent. It is characterized by being connected.
上記木質構造体（第一の木質構造体）は、折り畳んだ状態では、平板が積層された状態と同じであり、縦−横のサイズが、（板基材の厚み×板基材の枚数）−板基材の長さ、となるため、非常にコンパクトである。そして、上記構成のため、上記木質構造体の各板基材は、その上下に積層された板基材と、−上の板基材と接着される単位／接着されない単位／下の板基材と接着される単位／接着されない単位−の四単位の繰り返しにより、上下の板基材と連結しており、上記木質構造体を積層方向に引っ張ると、折曲用溝により各板基材が屈曲し、六単位に囲まれたセルが複数出現し、積層方向に伸展する。 In the folded state, the above-mentioned wood structure (first wood structure) is the same as a state in which flat plates are laminated, and the vertical-horizontal size is (thickness of plate base material × number of plate base materials). -The length of the plate substrate, so it is very compact. And for the said structure, each board | substrate base material of the said wooden structure has the board | substrate base material laminated | stacked on the upper and lower sides,-the unit adhere | attached with the upper board | substrate base material / the unit which is not adhere | attached / the lower board base material The unit is bonded to the upper and lower plate bases by repeating the 4 units of the unit bonded / unbonded unit. When the above wooden structure is pulled in the stacking direction, each plate base is bent by the bending groove. Then, a plurality of cells surrounded by six units appear and extend in the stacking direction.
この際、折曲用溝の全てが、板面の上面または下面のいずれかのみに開口した板基材を用いると、屈曲がスムーズに起こらない箇所が生じ、木質構造体の形状を自在に変形することができない。無理に屈曲させると、フレキシブルシートの破断が生じる。本発明者は、形状を自由自在に変形でき、積層方向（板基材の厚み方向。以下、縦方向とも称する）にも板基材の長さ方向（以下、横方向とも称する）にも伸縮可能な構造体を開発するために試作を繰り返した結果、全ての折曲用溝を屈曲方向（折曲用溝を挟む両側の単位により１８０度未満の角度が形成される側）と反対側に開口させることにより、従来から存在する紙製のハニカムコアよりもさらに形状の自由度に富んだ木質構造体を製造することに成功した。
すなわち上記木質構造体では、基本的に、上面に開口する折曲用溝と下面に開口する折曲用溝が、２本ごとに交互に設けられており、板基材はそれぞれ、隣接する板基材（上下に積層される板基材）と、溝の開口同士あるいは溝先端同士が向かい合うか近接するように積層されており、隣接する板基材と接着される一単位は、同じ面に開口する溝によって挟まれた一単位か、あるいは板基材の端部に存在する一単位であり、溝開口側の面により隣接する板基材と接着されている。このように構成することにより、全ての折曲用溝を屈曲方向と逆方向に開口させることができ、木質構造体を積層方向に伸ばした際には、全ての折曲用溝で屈曲がスムーズに起こり、板基材を自在に引き伸ばすことができ、加えて、積層方向に伸ばした木質構造体を、板基材の長さ方向にも自在に伸縮させることができる。
At this time, if a plate base material in which all of the bending grooves are opened only on either the upper surface or the lower surface of the plate surface, a portion where bending does not occur smoothly occurs, and the shape of the wooden structure is freely deformed. Can not do it. If it is bent forcibly, the flexible sheet breaks. The present inventor can freely deform the shape and expands and contracts both in the stacking direction (thickness direction of the plate base material; hereinafter also referred to as the vertical direction) and in the length direction of the plate base material (hereinafter also referred to as the horizontal direction). As a result of repeated trial production to develop a possible structure, all the bending grooves are on the opposite side of the bending direction (the side where the angle of less than 180 degrees is formed by the units on both sides sandwiching the bending groove). By opening the opening, the present inventors have succeeded in producing a wood structure having a greater degree of freedom in shape than a conventional paper honeycomb core.
That is, in the above-mentioned wooden structure, basically, a bending groove opened on the upper surface and a bending groove opened on the lower surface are alternately provided every two, and the plate base materials are respectively adjacent plates. It is laminated so that the base material (plate base material stacked up and down) and the groove openings or the groove tips face each other or close to each other, and one unit bonded to the adjacent plate base material is on the same surface It is one unit sandwiched by the opening groove or one unit existing at the end of the plate base material, and is bonded to the adjacent plate base material by the surface on the groove opening side. With this configuration, all the bending grooves can be opened in the direction opposite to the bending direction, and when the wooden structure is extended in the stacking direction, the bending is smoothly performed in all the bending grooves. In this case, the plate base material can be freely stretched, and in addition, the wooden structure stretched in the stacking direction can be freely expanded and contracted in the length direction of the plate base material.
なお、従来から、紙製のハニカム構造体として、六角形のセル構造を多数有する構造体が存在する。これらは柔軟な紙製のシートからなるため、形状を変形させることは可能である。しかし、力を除くと、バネのように元の状態に戻ろうとする力が働くため、変形させた形状をそのまま保つことはできない。これに対し、上記木質構造体は、屈曲方向と逆方向に開口した折曲用溝を有するため、力を除いても屈曲角度が維持され、一旦変形した形状をそのまま保つことができる。 Conventionally, there are structures having a large number of hexagonal cell structures as paper honeycomb structures. Since these are made of a flexible paper sheet, the shape can be changed. However, when the force is removed, a force to return to the original state works like a spring, so the deformed shape cannot be kept as it is. On the other hand, since the wood structure has a bending groove that opens in the direction opposite to the bending direction, the bending angle is maintained even if the force is removed, and the once deformed shape can be maintained as it is.
また、上記木質構造体は、木質の板からなるため、紙製のシートからなるコア材と比べて強度が高く、また、フラッシュパネルに用いた場合、面材とコア材が共に木質材料であるため、両部材を強力に接着することができ、面材とコア材の剥離が生じにくい。そのため、面材を効果的に補強することができ、面材のひずみを吸収できるため、フラッシュパネルの反り曲がり等が発生しにくい。 In addition, since the wooden structure is made of a wooden board, it has higher strength than a core material made of a paper sheet, and when used in a flash panel, both the face material and the core material are made of a wooden material. Therefore, both members can be strongly bonded, and peeling of the face material and the core material hardly occurs. Therefore, the face material can be effectively reinforced, and the distortion of the face material can be absorbed, so that the flash panel is hardly warped or bent.
本発明の上記課題は、以下の構成を有する木質構造体（第二の木質構造体）によっても解決される。
伸縮可能な木質構造体であって、
木質材料からなる帯状の板基材を、板面同士を対向させて多数積層したこと、
前記各板基材の間に、木質材料からなり、前記板基材と実質的に同じ幅の伸縮用板部材が介在していること、
前記伸縮用板部材には、折曲用溝が、幅方向に平行に複数設けられており、前記折曲用溝で区切られた区画を一単位として、いずれの板基材とも接着されない二単位（非接着単位）を挟んで、その両側の一単位（接着単位）の板面が、当該伸縮用板部材を挟む板基材の一方ずつに接着されていること、
前記折曲用溝は全て、前記板基材と接着される側の板面に開口していること
前記折曲用溝の先端が反対側の板面に実質的に達しており、当該反対側の板面に貼着されたフレキシブルシートにより、溝両側の単位が折り曲げ可能に繋がっていること
を特徴とする。
The above-described problem of the present invention is also solved by a wooden structure (second wooden structure) having the following configuration.
An elastic wooden structure,
A large number of strip-shaped plate base materials made of wood material, with the plate surfaces facing each other,
Between each said board base material, it consists of wooden material, and the board member for expansion and contraction of the same width as the said board base material intervenes,
The expansion / contraction plate member is provided with a plurality of bending grooves in parallel in the width direction, and the unit divided by the bending grooves is a unit that is not bonded to any plate substrate. The plate surface of one unit (adhesion unit) on both sides of the (non-adhesion unit) is bonded to one of the plate base materials sandwiching the expansion / contraction plate member,
All of the bending grooves are open on the plate surface on the side to be bonded to the plate substrate, and the tip of the bending groove substantially reaches the opposite plate surface, and the opposite side The flexible sheet adhered to the plate surface is connected to bendable units on both sides of the groove.
第二の木質構造体は、上記構成を有するため、板基材の間に介在する伸縮用板部材の、非接着単位間に形成される角度を変更することにより、各板基材間の距離を変更させて、木質構造体を積層方向に伸縮させることができる。
そして、伸縮用板部材では、折曲用溝は全て、板基材と接着される側の板面に開口しているため、フレキシブルシートを破断させることなく、接着単位と重ならない方向向きに、２つの非接着単位を折り重ねることができる。したがって、接着単位と非接着単位が重ならないため、板基材間の距離を効率よく縮めることができる。また、伸縮用板部材の板面と板基材の板面とを接着させる構成であるため、接着が容易であり、且つ、板基材と伸縮用板部材を強固に接着させることができる。
Since the second woody structure has the above configuration, the distance between the plate base materials can be changed by changing the angle formed between the non-adhesive units of the expansion / contraction plate member interposed between the plate base materials. The wooden structure can be expanded and contracted in the stacking direction.
And in the expansion / contraction plate member, since all the grooves for bending are open on the plate surface on the side to be bonded to the plate base material, without breaking the flexible sheet, in the direction not overlapping the bonding unit, Two non-adhesive units can be folded over. Therefore, since the adhesion unit and the non-adhesion unit do not overlap, the distance between the plate substrates can be efficiently reduced. Moreover, since it is the structure which adhere | attaches the plate surface of the expansion-contraction board member, and the plate surface of a board | substrate base material, adhesion | attachment is easy and it can adhere | attach a board | substrate base material and an expansion-contraction board member firmly.
本発明の木質構造体は、紙製のハニカムコアと比べて強度が高く、フラッシュパネルのコア材として用いた場合、面材との接着強度も高いため、面材を十分に補強することができる。また、伸縮するため、保管や持ち運びに便利であり、コア材として使用する際には、面材のサイズに合わせてサイズ調整ができる。さらに、化粧板の端材を使用できるため、廃材の再利用が可能である。 The woody structure of the present invention has a higher strength than a paper honeycomb core, and when used as a core material for a flash panel, has a high adhesive strength with the face material, so that the face material can be sufficiently reinforced. . Moreover, since it expands and contracts, it is convenient for storage and carrying. When used as a core material, the size can be adjusted according to the size of the face material. Furthermore, since the end material of the decorative board can be used, the waste material can be reused.
本発明において、木質材料とは、木材自体や、木材を加工して得られる単板、チップ、繊維などを原料として製造される材料を意味し、家屋や家具の材料として汎用されているものを使用することができる。板基材および伸縮用板部材は、木質資源の有効活用の観点から、再加工が難しい化粧板（例えばフラッシュパネルの面材等）の端材が好ましい。特に、板面にポリエステル塗装を行ったものや、オレフィン系のシート、紙シート等を貼ったものであれば、板面全体にフレキシブルシートが貼着された状態となっているため、折曲用溝の先端側の板面表面に改めてフレキシブルシートを貼着する必要がなく、便利である。 In the present invention, the woody material means a material produced from raw materials such as wood itself, veneer, chips, fibers, etc. obtained by processing wood, and is widely used as a material for houses and furniture. Can be used. The plate base material and the expansion / contraction plate member are preferably end materials of a decorative board (for example, a face material of a flash panel) that is difficult to rework from the viewpoint of effective utilization of wood resources. In particular, if the plate surface is polyester-coated, or if an olefin-based sheet or paper sheet is pasted, the flexible sheet is attached to the entire plate surface. There is no need to affix a flexible sheet to the surface of the plate surface on the tip side of the groove, which is convenient.
化粧板の端材を板基材や伸縮用板部材に使用する場合、板基材の板面同士、あるいは板基材の板面と伸縮用板部材の板面の接着は、板面表面の化粧剤を考慮して、適切な接着剤を使用すればよい。例えば、板表面がポリオレフィン系のシートで被覆されている場合は、酢酸ビニル樹脂系の接着剤、板表面が紙ベースの含浸紙、強化紙、ウレタンコート紙で被覆されている場合は、サンディング加工後酢酸ビニル樹脂系接着剤を使用すればよい。
また、板面表面がＰＶＣ（ポリ塩化ビニル）などで被覆されている場合は、接着剤の代わりにＴＨＦ（テトラヒドロフラン）を塗布し、溶けたＰＶＣにより板面同士を接着することもできる。
一方、板基材や伸縮用板部材と面材との接着には、酢酸ビニル樹脂系接着剤等、木質材料の接着に好適な接着剤を使用することができる。
When using the end material of the decorative plate for the plate base material or the expansion / contraction plate member, the adhesion between the plate surfaces of the plate base materials or the plate surface of the plate base material and the plate surface of the expansion / contraction plate member is An appropriate adhesive may be used in consideration of the cosmetic agent. For example, when the board surface is coated with a polyolefin-based sheet, vinyl acetate resin adhesive, and when the board surface is coated with paper-based impregnated paper, reinforced paper, urethane-coated paper, sanding A post vinyl acetate resin adhesive may be used.
Moreover, when the plate surface is covered with PVC (polyvinyl chloride) or the like, THF (tetrahydrofuran) can be applied instead of the adhesive, and the plate surfaces can be bonded together by the melted PVC.
On the other hand, an adhesive suitable for bonding a wood material, such as a vinyl acetate resin adhesive, can be used for bonding the plate substrate or the expansion / contraction plate member to the face material.
板基材および伸縮用板部材の厚みは、面材との接着を強固なものとする観点から、２ｍｍ以上あることが好ましい。他方、分厚すぎると重量が重くなるため９ｍｍ以下とすることが好ましい。より好ましい厚みは２〜４ｍｍであり、特に好ましい厚みは２．５〜３．５ｍｍである。 The thickness of the plate substrate and the expansion / contraction plate member is preferably 2 mm or more from the viewpoint of strengthening the adhesion to the face material. On the other hand, if the thickness is too large, the weight increases, so it is preferable that the thickness is 9 mm or less. A more preferred thickness is 2 to 4 mm, and a particularly preferred thickness is 2.5 to 3.5 mm.
板基材および伸縮用板部材の幅は、用途に合わせ（製造するフラッシュパネル自体の厚み等）適宜選択すればよい。コア材として用いる場合、幅１０〜４０ｍｍが一般的であり、２０〜４０ｍｍ、特に２５〜３５ｍｍがより汎用されるサイズである。また、本発明の木質構造体は、折り重ねることができるため、その状態でカンナをかけて、幅を適宜調節することも可能である。特に、本発明にかかる第一の木質構造体は、板基材の板面同士が完全に合わさった状態に重なるため、非常にカンナがかけやすく、幅の調節が容易である。 The widths of the plate substrate and the expansion / contraction plate member may be appropriately selected according to the application (thickness of the flash panel itself to be manufactured). When used as a core material, a width of 10 to 40 mm is common, and 20 to 40 mm, particularly 25 to 35 mm is a more widely used size. In addition, since the woody structure of the present invention can be folded, it is also possible to adjust the width appropriately by applying a plane in that state. In particular, since the first woody structure according to the present invention overlaps with a state in which the plate surfaces of the plate base material are completely combined, it is very easy to apply a canna and the width can be easily adjusted.
板基材の長さも、用途に合わせ（例えば、製造するフラッシュパネルのサイズやコア材を収納する枠体の構成等）適宜選択すればよい。一般にフラッシュパネルでは、面材と面材の間に、枠体（芯材とも呼ばれる）があり、この枠体は、面材に対応するサイズの外枠と、枠内を２〜４区画に分割する仕切板とで構成され、各区画に紙製のハニカムコア等のコア材を配置する構成をとっている。フラッシュパネルのコア材として用いる場合、板基材の長さは６００〜１０００ｍｍが一般に使いやすい範囲である。例えば、一般的なサイズ（約８００ｍｍ×約２０００ｍｍ）のフラッシュパネルの場合、枠内が横方向に平行に３分割されている場合、長さ６００〜８００ｍｍ程度の長さの板基材が適当であり、２分割されている場合は、長さ７００〜１０００ｍｍ程度の長さの板基材が適当である。
なお、本発明にかかる第一の木質構造体は、縦横どちらにも伸縮するため、縦方向のサイズ調整はもちろん、横方向のサイズ調整も可能である。したがって、フラッシュパネルの横方向の長さが板基材の長さより短い場合であっても、板基材を切断することなく、対応可能である。
The length of the plate base material may also be appropriately selected according to the use (for example, the size of the flash panel to be manufactured, the structure of the frame body that houses the core material, etc.). In general, in a flash panel, there is a frame (also called a core material) between face materials, and this frame is divided into an outer frame of a size corresponding to the face material and 2 to 4 sections. And a core material such as a paper honeycomb core is disposed in each compartment. When used as the core material of a flash panel, the length of the plate base is generally in the range of 600 to 1000 mm that is easy to use. For example, in the case of a flash panel having a general size (about 800 mm × about 2000 mm), a plate substrate having a length of about 600 to 800 mm is suitable when the inside of the frame is divided into three parallel to the horizontal direction. In the case of being divided into two, a plate substrate having a length of about 700 to 1000 mm is suitable.
Since the first woody structure according to the present invention expands and contracts both vertically and horizontally, it is possible to adjust the size in the horizontal direction as well as the size in the vertical direction. Therefore, even when the length of the flash panel in the lateral direction is shorter than the length of the plate base material, it is possible to cope without cutting the plate base material.
本発明において、フレキシブルシートは、折り畳み可能な柔軟性を有し、開閉を繰り返しても容易に破断しない耐久性を有するものであればよい。したがって、材質は特に制限されず、合成樹脂製であっても布製であっても紙製であってもよい。また、フレキシブルシートは、少なくとも折曲用溝が存在する箇所に設けられていればよい。なお、溝先端側の板面の表面にフレキシブルシートが少なくとも一層貼着されている状態となっていればよく、フレキシブルシートを設ける方法は特に限定されない。例えば、板面にフレキシブルシートを貼付してもよく、あるいは、板面に合成樹脂を塗装し、硬化させてシート状の層を形成してもよい。 In the present invention, the flexible sheet only needs to have a foldable flexibility and durability that does not easily break even when repeated opening and closing. Therefore, the material is not particularly limited, and may be made of synthetic resin, cloth, or paper. Moreover, the flexible sheet should just be provided in the location where the groove | channel for bending exists at least. The method for providing the flexible sheet is not particularly limited as long as at least one flexible sheet is adhered to the surface of the plate surface on the groove tip side. For example, a flexible sheet may be affixed to the plate surface, or a synthetic resin may be applied to the plate surface and cured to form a sheet-like layer.
本発明において、板基材を多数積層したとは、少なくとも板基材を４枚以上積層したことを意味する。８枚以上積層したものがより好ましい。扉等の汎用サイズのフラッシュパネルに用いる場合、１０〜１５枚程度積層したものが好適である。 In the present invention, the fact that a large number of plate substrates are laminated means that at least four plate substrates are laminated. What laminated | stacked 8 or more sheets is more preferable. When used for a flash panel of a general size such as a door, a laminate of about 10 to 15 sheets is preferable.
一単位の長さ（隣り合う折曲用溝同士の間隔）は、特に限定されないが、３０ｍｍ〜１２０ｍｍ程度が好ましい。また、接着単位より、非接着単位を長くすることにより、伸縮度の高い構造体とすることができる。好ましい一例として、接着単位が４０ｍｍ〜５０ｍｍであり、非接着単位が６０ｍｍ〜１００ｍｍの木質構造体を挙げることができる。 The length of one unit (the interval between adjacent folding grooves) is not particularly limited, but is preferably about 30 mm to 120 mm. Moreover, it can be set as a structure with a high stretching degree by lengthening a non-adhesion unit rather than an adhesion unit. As a preferred example, a woody structure having an adhesive unit of 40 mm to 50 mm and a non-adhesive unit of 60 mm to 100 mm can be mentioned.
本発明にかかる第一の木質構造体において、板基材は、長さａの一単位と、長さｂ（ａ＞ｂ）の一単位が繰り返されるように折曲用溝が形成されており、前記長さａの一単位は、隣接するいずれの板基材とも接着されない単位であることが好ましい。接着される単位より、接着されない単位を長くすることにより、全ての単位が同一長さのものに比べて、形状の自由度をより高めることができ、縦横両方向への伸び率が高い構造体とすることができる。長さａは長さｂの１．５〜２．０倍程度とすることが好ましい。 In the first woody structure according to the present invention, the plate base material has a groove for bending so that one unit of length a and one unit of length b (a> b) are repeated. The unit of the length a is preferably a unit that is not bonded to any adjacent plate base material. By making the units that are not bonded longer than the units that are bonded, it is possible to increase the degree of freedom of shape more than all units having the same length, and a structure with a high elongation in both the vertical and horizontal directions. can do. The length a is preferably about 1.5 to 2.0 times the length b.
折曲用溝の例として、Ｖ溝、Ｒ溝、ノコ溝等が挙げられる。特に、断面Ｖ字型（または断面逆Ｖ字型）のＶ溝が好ましい。Ｖ溝の角度は、３０〜１５０度が適当である。溝加工は、NCルータや丸鋸等の工具を用いて形成すればよい。 Examples of the bending groove include a V groove, an R groove, and a saw groove. In particular, a V-shaped groove having a V-shaped cross section (or an inverted V-shaped cross section) is preferable. The angle of the V groove is suitably 30 to 150 degrees. The grooving may be formed using a tool such as an NC router or a circular saw.
本発明にかかる第一の木質構造体において、板基材はそれぞれ、隣接する板基材（上下に積層された板基材）と、折曲用溝の開口同士あるいは溝先端同士が向かい合うか近接するように積層されている必要があるが、ここで、近接とは、溝開口同士あるいは溝先端同士が完全に向かい合わずにずれているが、そのずれが、溝の中心軸を基準として１０ｍｍ以内であることを意味する。ずれは小さいほうが好ましく、折曲用溝の中心軸が完全に一致した構成とすることがより好ましい。 In the first woody structure according to the present invention, each of the plate bases is adjacent to or adjacent to the adjacent plate bases (plate bases stacked one above the other) and the opening of the groove for bending or the groove tips. Here, the proximity means that the groove openings or the groove tips are shifted completely without facing each other, but the shift is within 10 mm with respect to the central axis of the groove. It means that. It is preferable that the deviation is small, and it is more preferable that the center axis of the bending groove is completely coincident.
本発明にかかる第一の木質構造体において、「少なくとも、板基材端部に最も近い溝を除く全ての折曲用溝が、上面に開口する溝と下面に開口する溝の２本ごとの繰り返しにより配置されている」とは、板基材に存在する全ての折曲用溝、または、片方の端もしくは両方の端に最も近い折曲用溝を除いた全ての折曲用溝が、上面に開口する溝２本と下面に開口する溝２本の繰り返しにより構成されていることを意味する。
つまり、基本的に板基材は、上面に開口する溝と下面に開口する溝が、２本ごとに交互に配置された構成を有しているが、板基材の両端では、２本セットとなっていなくてもよい。したがって、板基材の端部に最も近い溝とその隣の溝は、反対面に開口していてもよい。
In the first woody structure according to the present invention, “at least all of the bending grooves except for the groove closest to the end of the plate base material are formed in every two grooves, the groove opened on the upper surface and the groove opened on the lower surface. `` Arranged by repetition '' means that all the folding grooves existing in the plate base material, or all the folding grooves except for the folding groove closest to one or both ends, It means that it is constituted by repetition of two grooves opened on the upper surface and two grooves opened on the lower surface.
In other words, the plate base material basically has a configuration in which the grooves opened on the upper surface and the grooves opened on the lower surface are alternately arranged every two pieces. It does not have to be. Therefore, the groove closest to the edge of the plate base material and the adjacent groove may be open on the opposite surface.
以下、実施例により本発明にかかる木質構造体をより詳細に説明する。 Hereinafter, the wood structure according to the present invention will be described in more detail with reference to examples.
以下の手順により、本発明にかかる第一の木質構造体を製造した。図１に本実施例の木質構造体の積層状態（板基材が折り重なった状態）を模式的に示す。Ａは側面図であり、Ｂは正面図および一部拡大図であり、Ｃは底面図である。実物では板基材間に隙間はないが図中では板基材の境目および接着箇所を明確にするため、板基材間に隙間を設け、接着箇所を黒塗りで示している。また、フレキシブルシートは、一部拡大図にのみ記載する。
板基材２として、化粧板の端材を利用した。前記化粧板は、木製の薄板であり、両面に厚み約０．１５ｍｍの紙製のシート４が貼付されている。板基材の厚みは３ｍｍである。長さ約６１０ｍｍの板基材２を８枚用意し、板基材の板面上に、NCルータにより、断面形状が角度９０度のＶ字形状をなす折曲用溝３を複数本、板基材の幅方向に平行に形成した。また、折曲用溝３は、板基材２の両端に最も近い溝を除き、板基材の上面に開口する溝と下面に開口する溝が、２本ごとに交互に配置されるよう形成した。すなわち、図１Ｂに示すように、板基材を断面から見た際、溝断面は、∨・∧・∧・∨・∨・∧・∧・∨（またはその上下逆）となっている。隣り合う溝同士の間隔は、同じ面に開口する溝同士では５０ｍｍとし、反対面に開口する溝とは９０ｍｍとした。また、板基材の一番端側に存在する溝は、板基材の端から５０ｍｍの箇所に設けた。すなわち、板基材２には、長さａ（９０ｍｍ）の一単位と長さｂ（５０ｍｍ）の一単位が繰り返されるように折曲用溝３が形成されている。折曲用溝３の深さは、図１Ｂの一部拡大図に模式的に示すように、板基材２が完全に分断されるが、溝開口面と逆の板面に貼付された紙シート４を傷つけない深さに調節した。折曲用溝３で区切られた区画を一単位として、同面に開口する溝によって挟まれた一単位（長さｂの単位）の溝開口側の面、および板の両端に存在する単位（長さｂの単位）の溝開口側の面に接着剤を塗布し、溝の開口同士あるいは閉端同士が向かい合うように各板基材を積層して、板基材同士を貼り合わせた。貼り合わせ後に、板基材の幅を揃えるため、板基材の長さ方向沿いの縁にカンナをかけ、目的とする幅（本実施例では３０ｍｍ）に加工した。
The first woody structure according to the present invention was manufactured by the following procedure. FIG. 1 schematically shows a laminated state (a state in which the plate base material is folded) of the woody structure of this example. A is a side view, B is a front view and a partially enlarged view, and C is a bottom view. In the actual product, there is no gap between the plate base materials, but in the drawing, a gap is provided between the plate base materials and the adhesion portions are shown in black in order to clarify the boundary between the plate base materials and the bonding locations. Moreover, a flexible sheet is described only in a partially enlarged view.
As the board substrate 2, an end material of a decorative board was used. The decorative board is a wooden thin board, and a paper sheet 4 having a thickness of about 0.15 mm is attached to both sides. The thickness of the plate substrate is 3 mm. Eight plate substrates 2 having a length of about 610 mm are prepared, and a plurality of bending grooves 3 having a V-shaped cross section having an angle of 90 degrees are formed on the plate surface of the plate substrate by an NC router. It formed in parallel with the width direction of the base material. Further, the bending grooves 3 are formed so that grooves that are opened on the upper surface and grooves that are opened on the lower surface of the plate base material are alternately arranged every two except for the grooves closest to both ends of the plate base material 2. did. That is, as shown in FIG. 1B, when the plate base material is viewed from a cross section, the groove cross section is ∨ / ∧ / ∧ / ∨ / ∨ / ∧ / ∧ / ∨ (or upside down). The interval between adjacent grooves was 50 mm between grooves opened on the same surface, and 90 mm between grooves opened on the opposite surface. Moreover, the groove | channel which exists in the extreme end side of a board | substrate base material was provided in the location of 50 mm from the edge of a board | substrate base material. That is, the groove 3 for bending is formed in the board | substrate base material 2 so that one unit of length a (90 mm) and one unit of length b (50 mm) may be repeated. As shown schematically in the partially enlarged view of FIG. 1B, the depth of the bending groove 3 is such that the plate substrate 2 is completely divided, but the paper affixed to the plate surface opposite to the groove opening surface. The depth was adjusted so as not to damage the sheet 4. Units present on both sides of the plate and the surface of the groove opening side of one unit (unit of length b) sandwiched between the grooves opened on the same surface, with the section divided by the bending groove 3 as one unit Adhesive was applied to the groove opening side surface (unit of length b), the plate base materials were laminated so that the groove openings or the closed ends face each other, and the plate base materials were bonded together. After bonding, in order to make the width of the plate base material uniform, a canna was applied to the edge along the length direction of the plate base material and processed into the target width (30 mm in this example).
図１Ｂに示すとおり、板基材２はそれぞれ、隣接する板基材２（上または下に積層された板基材）と接着される一単位と当該板基材と接着されない三単位の繰り返しにより、隣接する板基材と連結されており、前記接着される一単位は、同じ面に開口する溝によって挟まれた一単位（すなわち、上下の板基材のＶ字開口同士が向かい合うので、断面が◇状を形成する溝２組によって挟まれている単位）か、板基材両端部の一単位であり、溝開口側の面のみが隣接する板基材と接着された構成となっている。したがって、上および下に板基材が積層された真ん中の板基材を中心として見た場合、接着単位の接着面は、非接着単位を介在して、上下交互に繰り返される構成となっている。
また、図１Ｂの一部拡大図に模式的に示すように、板基材の両面にはフレキシブルシート４が貼着されており、折曲用溝３の存在する箇所では、溝先端側のフレキシブルシート一層を残して、板基材２が完全に分断されていて、フレキシブルシート４により、溝両側の単位が折り曲げ可能に繋がった状態となっている。
As shown in FIG. 1B, each of the plate bases 2 is repeated by one unit bonded to the adjacent plate base 2 (plate base stacked on top or bottom) and three units not bonded to the plate base. The unit bonded to the adjacent plate base material is one unit sandwiched by grooves opened on the same surface (that is, since the V-shaped openings of the upper and lower plate base materials face each other, Is a unit sandwiched between two sets of grooves forming a shape) or one unit at both ends of the plate substrate, and only the surface on the groove opening side is bonded to the adjacent plate substrate. . Accordingly, when viewed from the center of the middle plate base material in which the upper and lower plate base materials are laminated, the adhesive surface of the adhesive unit is configured to be alternately repeated up and down with the non-adhesive unit interposed therebetween. .
Moreover, as schematically shown in the partially enlarged view of FIG. 1B, the flexible sheet 4 is stuck on both surfaces of the plate base material, and in the portion where the bending groove 3 exists, the flexible on the groove tip side is provided. The plate base material 2 is completely divided, leaving a sheet layer, and the flexible sheet 4 is in a state in which the units on both sides of the groove are connected to be bendable.
基本的に、接着される一単位は、同じ面に開口する溝によって挟まれた一単位である。本実施例では板基材の端部に存在する単位は、端に溝が形成されていないため、同じ面に開口する溝によって挟まれていないが、本来の繰り返し配置からすれば、同じ面に開口する溝によって挟まれるはずの単位である。したがって、本実施例では、板基材の端部に存在する一単位も、溝開口側の面により隣接する板基材と接着されている。 Basically, one unit to be bonded is one unit sandwiched between grooves opened on the same surface. In this embodiment, the unit present at the end of the plate base material is not sandwiched by grooves that open on the same surface because no groove is formed at the end, but if the original repeated arrangement is used, it will be on the same surface. It is a unit that should be sandwiched between the open grooves. Therefore, in this embodiment, one unit existing at the end of the plate base material is also bonded to the adjacent plate base material by the surface on the groove opening side.
図２に、図１の木質構造体を伸展した状態を示す。図２に示すように、木質構造体１を伸展すると、六面で囲まれたセルが多数出現する。図２は、六角形が完全に形成された状態を示すが、図３〜５の写真（各写真の縮尺は完全に同一ではない）に示すように、セルの形は自在に変形させることができるので、縦横いずれのサイズ変更にも対応可能である。折曲用溝３の両側の単位は、フレキシブルシート（本実施例では紙製のシート）により皮一枚で繋がった状態であるため、自在に折曲可能であり、また、図２に示すように全ての折曲用溝３が屈曲方向（折曲用溝を挟む両側の単位により１８０度未満の角度が形成される方向）と反対側に開口しているため、各溝を挟む単位のうち一方を、溝開口と反対側に折り返して他方の単位と重ね合わせることも可能であり、各溝全てを自在に屈曲させて、セルの形状を任意に変更させることができる。したがって、フラッシュパネルのコア材として用いる際にも、板基材を切断せずに縦横のサイズ調整が可能であるため、汎用性が非常に高い。また、板基材の幅についても、積層状態としてカンナをかけることにより、複数の板基材をまとめて削ることができるため、現場で容易に調節することができる。
なお、実施例１では、板基材の長さ６１０ｍｍ／板基材の枚数８枚の小サイズモデルで説明したが、実際のフラッシュ扉用として用いる場合は、積層枚数１０〜１５枚程度とするのが適切であり、このサイズの木質構造体でも、同様の効果を得ることができる。
FIG. 2 shows a state where the woody structure of FIG. 1 is extended. As shown in FIG. 2, when the wooden structure 1 is extended, many cells surrounded by six faces appear. FIG. 2 shows a state in which the hexagon is completely formed, but as shown in the photos of FIGS. 3 to 5 (the scales of each photo are not completely the same), the shape of the cell can be freely changed. Because it can, it can accommodate both vertical and horizontal size changes. Since the unit on both sides of the folding groove 3 is in a state of being connected by a single sheet by a flexible sheet (paper sheet in this embodiment), it can be bent freely, and as shown in FIG. Since all the bending grooves 3 are open on the opposite side to the bending direction (the direction in which an angle of less than 180 degrees is formed by the units on both sides sandwiching the bending grooves), among the units sandwiching each groove One can be folded back to the opposite side of the groove opening and overlapped with the other unit, and the shape of the cell can be arbitrarily changed by freely bending each groove. Therefore, when used as a core material of a flash panel, the vertical and horizontal sizes can be adjusted without cutting the plate base material, so that the versatility is very high. Also, the width of the plate base material can be easily adjusted at the site because a plurality of plate base materials can be shaved together by applying a plane as a laminated state.
In the first embodiment, the small size model with a plate base length of 610 mm / plate base plate number of 8 has been described, but when used for an actual flash door, the number of stacked layers is about 10 to 15 pieces. The same effect can be obtained with a woody structure of this size.
実施例１で製造した第一の木質構造体と同様の木質構造体をコア材として用いて、フラッシュ扉（８００ｍｍ×２０００ｍｍ）を作成した。まず、厚み３５ｍｍ・幅３０ｍｍの板材にて８００ｍｍ×２０００ｍｍの外枠を作成し、さらに横方向に平行な２枚の仕切り板（厚み３５ｍｍ・幅３０ｍｍ）で当該枠内を３つの区画に区切り、この３つの区画それぞれにコア材（板基材の枚数が１０枚である以外は実施例１の木質構造体と同じ構成を持つ）を収納し、これらを８００ｍｍ×２０００ｍｍの面材でサンドイッチすることによりフラッシュ扉を作成した。面材として、厚さ２．７ｍｍのＭＤＦを用い、面材と枠材・コア材は、酢酸ビニルエマルジョン型接着剤（アイカ工業製）で接着した。接着剤の塗布量が１４０ｇ／ｍ２（表中では１４０と表示）および、１９０ｇ／ｍ２（表中では１９０と表示）の２種類のフラッシュ扉を作成した。また、従来品である紙製のハニカムコア（長さ６１０ｍｍ・幅３０ｍｍ・厚さ約１ｍｍの段ボール１２枚からなる）と上記の面材を用いて上記と同様のフラッシュ扉を作成し、比較例とした。作成した各フラッシュ扉について温度湿度を制御できる恒温恒湿室の扉部分にフラッシュ扉を設置し、恒温恒湿室内の温湿度を変化させたときの恒温恒湿室側と逆の面における面材の変位量を測定した。温湿度は、５０℃／３０％Ｒ．Ｈ．→５０℃／７５％Ｒ．Ｈ．→５０℃／３０％Ｒ．Ｈ．に変化させた。保持時間は各４時間とし、測定点はフラッシュ扉中心部分とした。結果を表１に示す。表中の単位はｍｍであり、フラッシュ扉が恒温恒湿室側に反った場合をマイナスの数値、恒温恒湿室と反対側に反った場合を符号なしの数値で表した。 A flash door (800 mm × 2000 mm) was prepared using the same wooden structure as the first wooden structure manufactured in Example 1 as a core material. First, an outer frame of 800 mm × 2000 mm is made of a plate material having a thickness of 35 mm and a width of 30 mm, and further, the inside of the frame is divided into three sections by two partition plates (thickness of 35 mm and a width of 30 mm) parallel to the lateral direction. Each of these three sections contains a core material (having the same configuration as the wood structure of Example 1 except that the number of plate base materials is 10), and these are sandwiched by 800 mm × 2000 mm face materials. Created a flash door. As the face material, MDF having a thickness of 2.7 mm was used, and the face material and the frame material / core material were bonded with a vinyl acetate emulsion type adhesive (manufactured by Aika Industry). Two types of flash doors having an adhesive application amount of 140 g / m 2 (shown as 140 in the table) and 190 g / m 2 (shown as 190 in the table) were prepared. In addition, a flash door similar to that described above was prepared using the conventional paper honeycomb core (consisting of 12 cardboards having a length of 610 mm, a width of 30 mm, and a thickness of about 1 mm) and the above face material. It was. Surface material on the opposite side of the temperature and humidity chamber side when the temperature and humidity in the temperature and humidity chamber are changed by installing a flash door in the temperature and humidity chamber door part where the temperature and humidity can be controlled for each created flash door The amount of displacement was measured. Temperature and humidity are 50 ° C./30% R.V. H. → 50 ° C / 75% R. H. → 50 ° C / 30% R.V. H. Was changed. The holding time was 4 hours each, and the measurement point was the central part of the flash door. The results are shown in Table 1. The unit in the table is mm, and the case where the flash door warps to the constant temperature and humidity chamber side is represented by a negative value, and the case where the flash door warps to the opposite side of the constant temperature and humidity chamber is represented by an unsigned numerical value.
実施例２の結果から、本発明にかかる木質構造体をコア材として用いた場合、従来の紙製ハニカムコアと比較して、反りが生じにくいフラッシュ扉を製造できることが分かる。
また、本発明にかかる木質構造体は、面材と同じく木質であるため、紙製ハニカムコアと比べて接着剤の選定が容易である。さらに、従来の紙製ハニカムコアに比べて厚みが大きいため接着剤の塗布が容易であり、且つ、接着面積が広いため面材と強固に接着させることができる。
From the results of Example 2, it can be seen that when the wood structure according to the present invention is used as a core material, it is possible to manufacture a flash door that is less likely to warp than a conventional paper honeycomb core.
Further, since the wood structure according to the present invention is wood like the face material, it is easy to select an adhesive as compared with a paper honeycomb core. Furthermore, since the thickness is larger than that of a conventional paper honeycomb core, it is easy to apply an adhesive, and since the bonding area is wide, it can be firmly bonded to a face material.
実施例２で試作したフラッシュ扉（１９０／１４０／比較品）を４０ｍｍ×４０ｍｍに切り出して、両表面にエポキシ樹脂接着剤でナット付き鉄板を接着し、引っ張り力を加え最大荷重を求めた。試料として両面が１枚の板基材で接着された部分のものと、２枚の板基材で接着された部分のもの２種類を切り出して試験に用いた。試験機として、インストロン材料試験機1123型を用い、試験速度は５ｍｍ／ｍｉｎとした。結果を表２に示す。表中の数値の単位はＮ（ニュートン）である。 The flash door prototyped in Example 2 (190/140 / comparative product) was cut out to 40 mm × 40 mm, an iron plate with a nut was bonded to both surfaces with an epoxy resin adhesive, and a tensile force was applied to determine the maximum load. As a sample, two types of a part having both surfaces bonded by one plate base material and a part having a part bonded by two plate base materials were cut out and used for the test. An Instron material testing machine 1123 type was used as a testing machine, and the test speed was 5 mm / min. The results are shown in Table 2. The unit of numerical values in the table is N (Newton).
実施例３の結果から、本発明の木質構造体をコア材として用いた場合、従来の紙製ハニカムコアと比較して、２倍から３倍の表面強度を有するフラッシュパネルが製造できることが確認できた。 From the results of Example 3, it can be confirmed that when the woody structure of the present invention is used as a core material, a flash panel having a surface strength 2 to 3 times that of a conventional paper honeycomb core can be produced. It was.
本発明の第二の木質構造体（１）を製造した。図６にその構造を模式的に示す。Ａは伸展状態、Ｂは折り重ね状態であり、Ｃは伸縮用板部材を拡大して模式的に示す図である。
板基材２および伸縮用板部材５には、実施例１と同様、両面に紙シート４が貼付された化粧材の端材（厚み３ｍｍ／幅約３０ｍｍ）を使用した。板基材２の長さは６００ｍｍとした。伸縮用板部材５の長さは３２０ｍｍとし、断面Ｖ字型で幅方向と平行な折曲用溝３を同じ面に３本設けて板部材５を４つの単位に区切った。各単位の長さは８０ｍｍ／８０ｍｍ／８０ｍｍ／８０ｍｍとした。両端の各一単位の溝開口側の面を、上または下の板基材と接着し（接着単位７）、図に示すように２つの非接着単位６が開閉可能な＜形状をなす構成とした。伸縮用板部材５は、板基材２の長さ方向に複数設け、完全に折り畳んだ際に、互いに重ならないよう間隔を開けて配置した。
A second woody structure (1) of the present invention was produced. FIG. 6 schematically shows the structure. A is an extended state, B is a folded state, and C is an enlarged view schematically showing a stretchable plate member.
As in the case of Example 1, decorative material edges (thickness 3 mm / width about 30 mm) having paper sheets 4 attached to both surfaces were used for the plate base 2 and the expansion / contraction plate member 5. The length of the plate substrate 2 was 600 mm. The length of the expansion / contraction plate member 5 was 320 mm, and the plate member 5 was divided into four units by providing three bending grooves 3 on the same surface having a V-shaped cross section and parallel to the width direction. The length of each unit was 80 mm / 80 mm / 80 mm / 80 mm. The surface of each end of the groove opening side of each unit is bonded to the upper or lower plate substrate (adhesion unit 7), and the two non-adhesion units 6 can be opened and closed as shown in the figure. did. A plurality of the expansion / contraction plate members 5 are provided in the length direction of the plate base material 2 and arranged so as not to overlap each other when completely folded.
図６Ｃに示すように、伸縮用板部材５の折曲用溝３は全て、同じ板面に開口するよう形成され、この溝開口面が板基材２と接着されるため、フレキシブルシート４を破断させることなく、接着単位７と重ならない方向向きに、２つの非接着単位６を折り重ねることができる。したがって、接着単位と非接着単位が重ならないため、板基材間の距離を効率よく縮めることができる。また、接着単位７の板面と板基材の板面とを接着させるため、接着が容易であるとともに、強固に接着させることができる。
本実施例の木質構造体は、積層方向（縦方向）に対して縮めることができるため、保管や持ち運びの際に便利であり、使用時には適宜縦方向に板部材を伸ばして使用することができる。第一の木質構造体と異なり、板基材の長さ方向（横方向）への伸縮はできないため、必要に応じてカットして使用する必要がある。
As shown in FIG. 6C, all of the bending grooves 3 of the expansion / contraction plate member 5 are formed so as to open on the same plate surface, and the groove opening surface is bonded to the plate substrate 2, so that the flexible sheet 4 is Without breaking, the two non-adhesive units 6 can be folded in a direction that does not overlap the adhesive unit 7. Therefore, since the adhesion unit and the non-adhesion unit do not overlap, the distance between the plate substrates can be efficiently reduced. Further, since the plate surface of the bonding unit 7 and the plate surface of the plate base material are bonded, the bonding is easy and can be performed firmly.
Since the woody structure of the present embodiment can be shrunk in the stacking direction (vertical direction), it is convenient for storage and carrying, and can be used by appropriately extending the plate member in the vertical direction during use. . Unlike the first woody structure, the plate base material cannot be expanded or contracted in the length direction (lateral direction), so it is necessary to cut and use it as necessary.
本発明の第二の木質構造体（２）を製造した。図７にその構造を模式的に示す。Ａは伸展状態、Ｂは折り重ね状態であり、Ｃは伸縮用板部材を拡大して模式的に示す図である。
板基材２および伸縮用板部材５には、実施例１と同様、両面に紙シート４が貼付された化粧材の端材（厚み３ｍｍ／幅約３０ｍｍ）を使用した。板基材２の長さは６００ｍｍとした。伸縮用板部材５の長さは４７０ｍｍとし、幅方向に平行な断面形状がＶ字型の折曲用溝３を同じ面に６本設けて板部材５を７つの単位に区切った。各単位の長さは２５ｍｍ／９０ｍｍ／９０ｍｍ／６０ｍｍ／９０ｍｍ／９０ｍｍ／２５ｍｍとした。両端の各一単位の溝開口側の面を下の板基材と接着し、真ん中の単位（端から４番目の単位）を上の板基材と接着し、いずれの板基材とも接着されない二単位を挟んで、その両側の一単位が、当該伸縮用板部材を挟む板基材の一方ずつに、板面同士により接着される構成とした。すなわち、図７Ａに示すように、伸縮用板部材５に囲まれた六角形状のセルが形成され、４つの非接着単位６は、２つ一組となり、開閉可能な＜形状および＞形状をなす。伸縮用板部材５は、板基材２の長さ方向に複数設け、完全に折り畳んだ際に、互いに重ならないよう間隔を開けて配置した。
A second woody structure (2) of the present invention was produced. FIG. 7 schematically shows the structure. A is an extended state, B is a folded state, and C is an enlarged view schematically showing a stretchable plate member.
As in the case of Example 1, decorative material edges (thickness 3 mm / width about 30 mm) having paper sheets 4 attached to both surfaces were used for the plate base 2 and the expansion / contraction plate member 5. The length of the plate substrate 2 was 600 mm. The length of the expansion / contraction plate member 5 was 470 mm, and six bending grooves 3 having a V-shaped cross section parallel to the width direction were provided on the same surface to divide the plate member 5 into seven units. The length of each unit was 25 mm / 90 mm / 90 mm / 60 mm / 90 mm / 90 mm / 25 mm. Adhere the surface of each end of the groove opening side of each unit to the lower plate base material, and bond the middle unit (fourth unit from the end) to the upper plate base material, not to any plate base material Two units are sandwiched, and one unit on both sides is adhered to one of the plate bases sandwiching the expansion / contraction plate member by the plate surfaces. That is, as shown in FIG. 7A, a hexagonal cell surrounded by the expansion / contraction plate member 5 is formed, and the four non-adhesive units 6 form a pair and form an openable <shape and> shape. . A plurality of the expansion / contraction plate members 5 are provided in the length direction of the plate base material 2 and arranged so as not to overlap each other when completely folded.
実施例４の木質構造体と同様、本実施例の木質構造体でも、伸縮用板部材５の折曲用溝３は全て、同じ板面に開口するよう形成され、この溝開口面が板基材２と接着されるため、フレキシブルシート４を破断させることなく、接着単位７と重ならない方向向きに、２対の非接着単位６を折り重ねることができる。
本実施例の木質構造体は、積層方向（縦方向）に対して縮めることができるため、保管や持ち運びの際に便利であり、使用時には適宜縦方向に板部材を伸ばして使用することができる。第一の木質構造体と異なり、板基材の長さ方向（横方向）への伸縮はできないため、必要に応じてカットして使用する必要がある。
Similar to the wood structure of the fourth embodiment, also in the wood structure of the present embodiment, all the folding grooves 3 of the expansion / contraction plate member 5 are formed so as to open on the same plate surface, and this groove opening surface is the plate base. Since it is bonded to the material 2, the two pairs of non-adhesive units 6 can be folded in a direction that does not overlap the adhesive unit 7 without breaking the flexible sheet 4.
Since the woody structure of the present embodiment can be shrunk in the stacking direction (vertical direction), it is convenient for storage and carrying, and can be used by appropriately extending the plate member in the vertical direction during use. . Unlike the first woody structure, the plate base material cannot be expanded or contracted in the length direction (lateral direction), so it is necessary to cut and use it as necessary.
実施例４または５に示す本発明の第二の木質構造体も、第一の木質構造体と同様、木質材料からなる面材との接着性が高く、紙製ハニカムコアに比べて強度が高いため、フラッシュパネル用のコア材として用いるのに好適である。また、第二の木質構造体は、積層方向にしか伸びないため、一番上および一番下の板基材に、板基材と同じ長さと幅で、厚みが１５〜４０ｍｍ程度の、板材（芯材）を接着して、木質構造体の強度をより高めてもよい。
なお、第一の木質構造体は、第二の木質構造体をさらに発展させたものであり、よりコンパクトに折り畳めるだけでなく、縦横いずれの方向にも伸縮可能であるという非常に優れた利点を有する。
Similar to the first wood structure, the second wood structure of the present invention shown in Example 4 or 5 also has high adhesiveness with a face material made of a wood material, and has higher strength than a paper honeycomb core. Therefore, it is suitable for use as a core material for flash panels. In addition, since the second wooden structure extends only in the laminating direction, a plate material having the same length and width as the plate base material and a thickness of about 15 to 40 mm is provided on the top and bottom plate base materials. (Core material) may be bonded to increase the strength of the wooden structure.
The first wooden structure is a further development of the second wooden structure, and it has the very excellent advantage that it can be expanded and contracted in both the vertical and horizontal directions, as well as being more compact. Have.
本発明の木質構造体は、フラッシュパネルのコア材として用いるのに非常に適しており、建具の性能を向上させることができる（反り曲がりを防ぐ）。また、現在再利用されずに焼却処分されている化粧板の端材を利用することができるため、木質資源のリサイクルやゼロ・エミッションといった課題に対応可能であり、資源の枯渇が世界的に問題となっている木質資源を有効に活用することができる。また、廃材を利用できるため、コストの削減にも資する。 The woody structure of the present invention is very suitable for use as a core material of a flash panel, and can improve the performance of joinery (prevents warping and bending). In addition, because it is possible to use scraps of decorative panels that are currently incinerated without being reused, it is possible to address issues such as recycling of wood resources and zero emissions, and resource depletion is a global problem. It is possible to make effective use of the wood resources. In addition, waste materials can be used, which contributes to cost reduction.
１ 木質構造体
２ 板基材
３ 折曲用溝
４ フレキシブルシート
５ 伸縮用板部材
６ 非接着単位
７ 接着単位
DESCRIPTION OF SYMBOLS 1 Wood structure 2 Board base material 3 Folding groove 4 Flexible sheet 5 Stretchable board member 6 Non-adhesion unit 7 Adhesion unit
Claims (8)
木質材料からなる帯状の板基材を、板面同士を対向させて多数積層したこと、
前記板基材には、板基材の幅方向に平行であって、板基材の上面または下面に開口する折曲用溝が複数設けられていること、
少なくとも、板基材端部に最も近い溝を除く全ての折曲用溝が、上面に開口する溝と下面に開口する溝の２本ごとの繰り返しにより配置されていること、
前記板基材はそれぞれ、隣接する板基材と、折曲用溝の開口同士あるいは先端同士が向かい合うか近接するように積層されていること、
前記板基材はそれぞれ、折曲用溝で区切られた区画を一単位として、隣接する板基材と接着される一単位と当該板基材と接着されない三単位の繰り返しにより、隣接する板基材と連結されていること、
前記接着される一単位は、同じ面に開口する溝によって挟まれた一単位か、あるいは板基材の端部に存在する一単位であり、溝開口側の面により隣接する板基材と接着されていること、
前記折曲用溝の先端が反対側の板面に実質的に達しており、当該反対側の板面に貼着されたフレキシブルシートにより、溝両側の単位が折り曲げ可能に繋がっていること
を特徴とする木質構造体。 An elastic wooden structure,
A large number of strip-shaped plate base materials made of wood material, with the plate surfaces facing each other,
The plate substrate is provided with a plurality of bending grooves that are parallel to the width direction of the plate substrate and open on the upper surface or the lower surface of the plate substrate.
At least all of the bending grooves except the groove closest to the edge of the plate base material are arranged by repeating every two grooves, the groove opening on the upper surface and the groove opening on the lower surface,
Each of the plate base materials is laminated such that the adjacent plate base materials and the openings of the groove for bending or the tips face each other or are close to each other,
Each of the plate bases is an adjacent plate base by repeating one unit bonded to the adjacent plate base and three units not bonded to the plate base, each of which is a unit divided by the bending grooves. Connected with the material,
The unit to be bonded is one unit sandwiched by grooves opened on the same surface, or one unit existing at the end of the plate base material, and is bonded to the adjacent plate base material by the surface on the groove opening side. is being done,
The front end of the bending groove substantially reaches the opposite plate surface, and the flexible sheet attached to the opposite plate surface is connected to bendable units on both sides of the groove. A wooden structure.
木質材料からなる帯状の板基材を、板面同士を対向させて多数積層したこと、
前記各板基材の間に、木質材料からなり、前記板基材と実質的に同じ幅の伸縮用板部材が介在していること、
前記伸縮用板部材には、折曲用溝が、幅方向に平行に複数設けられており、前記折曲用溝で区切られた区画を一単位として、いずれの板基材とも接着されない二単位を挟んで、その両側の一単位の板面が、当該伸縮用板部材を挟む板基材の一方ずつに接着されていること、
前記折曲用溝は全て、前記板基材と接着される側の板面に開口していること
前記折曲用溝の先端が反対側の板面に実質的に達しており、当該反対側の板面に貼着されたフレキシブルシートにより、溝両側の単位が折り曲げ可能に繋がっていること
を特徴とする伸縮可能な木質構造体。 An elastic wooden structure,
A large number of strip-shaped plate base materials made of wood material, with the plate surfaces facing each other,
Between each said board base material, it consists of wooden material, and the board member for expansion and contraction of the same width as the said board base material intervenes,
The expansion / contraction plate member is provided with a plurality of bending grooves in parallel in the width direction, and the unit divided by the bending grooves is a unit that is not bonded to any plate substrate. The plate surface of one unit on both sides is bonded to each one of the plate base materials sandwiching the expansion / contraction plate member,
All of the bending grooves are open on the plate surface on the side to be bonded to the plate substrate, and the tip of the bending groove substantially reaches the opposite plate surface, and the opposite side A stretchable wooden structure characterized in that the units on both sides of the groove are connected so as to be bendable by a flexible sheet adhered to the plate surface.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011098481A (en) * | 2009-11-05 | 2011-05-19 | High Bridge Corporation:Kk | Stretchable/shrinkable structure and flush panel making the structure core material |
| JP2011178066A (en) * | 2010-03-02 | 2011-09-15 | Eidai Co Ltd | Network structure, method for manufacturing the same, and flush panel |
| CN114222513A (en) * | 2019-08-13 | 2022-03-22 | Molo设计有限责任公司 | Flexible furniture with wooden panels and related methods |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011098481A (en) * | 2009-11-05 | 2011-05-19 | High Bridge Corporation:Kk | Stretchable/shrinkable structure and flush panel making the structure core material |
| JP2011178066A (en) * | 2010-03-02 | 2011-09-15 | Eidai Co Ltd | Network structure, method for manufacturing the same, and flush panel |
| CN114222513A (en) * | 2019-08-13 | 2022-03-22 | Molo设计有限责任公司 | Flexible furniture with wooden panels and related methods |
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