JP2007002581A - Woody building material - Google Patents

Woody building material Download PDF

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JP2007002581A
JP2007002581A JP2005185815A JP2005185815A JP2007002581A JP 2007002581 A JP2007002581 A JP 2007002581A JP 2005185815 A JP2005185815 A JP 2005185815A JP 2005185815 A JP2005185815 A JP 2005185815A JP 2007002581 A JP2007002581 A JP 2007002581A
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wood
dowel
dowels
building material
square
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JP4162675B2 (en
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Masao Masuda
正雄 増田
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<P>PROBLEM TO BE SOLVED: To provide a strong woody building material superior in durability, and superior in an environment, without particularly using an adhesive (paste), with a constitution of joining a square bar or mutual plate-like materials at an inclination by dowels, while superposing wood such as the proper square bar or the plate-like material by three pieces or more in a plane shape. <P>SOLUTION: The wood A such as the square bar 1 or the plate-like material is superposed by three pieces or more in a plane shape without using any adhesive, and is joined by a plurality of dowels 2 composed of the wood A. The dowels 2 are arranged at a proper inclination. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、適宜の角材又は板状材等の木材が3本以上平面状に重ねられつつダボにて傾斜角度を有して前記角材又は板状材相互が結合された構成とし、特に、接着剤(糊)を使うことなく、強固且つ耐久性に優れ、環境などに良好な木質系の建築材に関する。   The present invention has a configuration in which three or more pieces of wood such as appropriate square or plate-like materials are stacked in a flat shape and have an inclination angle with a dowel, and the square or plate-like materials are combined with each other, The present invention relates to a wood-based building material that is strong and excellent in durability and good for the environment without using an agent (glue).

従来技術としては、特許文献1に示すように、複数の単板を積層した合板、該合板を使用した合板パネル、及び該合板の製造方法に関し、特に、建築土木用の構造用合板又は合板パネルとして開示されている。また、特許文献2に示すように、既成積層木材ユニットも存在している。   As a prior art, as shown in Patent Document 1, a plywood obtained by laminating a plurality of single plates, a plywood panel using the plywood, and a method for manufacturing the plywood, in particular, a structural plywood or a plywood panel for architectural civil engineering It is disclosed as. Moreover, as shown in patent document 2, the existing laminated wood unit also exists.

わが国では、木質系の建築材としては、好ましくは、樹齢数十年の松、杉などの樹木が使用されているが、その数は年々減少している。また、これよりもか細い樹木の間伐材としての板厚のある板状体、又は小径木の角材、又は間伐材の板厚を薄くした等の板状材は多く存在し、さらには、合板としての建築材も多数存在しているが、接着剤を使ったとしても永年使用によって強度的に問題が出ている。   In Japan, trees such as pine and cedar, which are several decades old, are preferably used as woody building materials, but the number is decreasing year by year. In addition, there are many plate-like materials such as thinned timber as a thinning material of trees thinner than this, or small timber timber, thinned timber, etc. There are a lot of building materials, but even if an adhesive is used, there is a problem in strength due to long-term use.

また、積層間の接着剤(糊)の存在により、燃やすときに、ダイオキシンが発生するとのことで、環境上問題視されている。また、その接着剤(糊)の存在は、シックハウス症候群の原因とも言われ、健康問題としても問題視されている。
特表2000−520198 特願平9−248803号
Also, due to the presence of an adhesive (glue) between the layers, dioxins are generated when burning, which is regarded as an environmental problem. Moreover, the presence of the adhesive (glue) is said to be the cause of sick house syndrome, and is regarded as a problem of health.
Special table 2000-520198 Japanese Patent Application No. 9-248803

しかるに、特許文献1では、ダボ方式で接着剤(糊)を使う接合では、永年使用後では、必ずしも強度性が得られなかった。このため、本発明が解決しようとする課題(技術的課題又は目的等)は、接着剤(糊)を使うことなく傾斜ダボを使うことで、強固且つ耐久性に優れ、環境などに良好な木質系の建築材を実現することである。   However, in patent document 1, in the joining which uses an adhesive agent (glue) by a dowel method, strength property was not necessarily acquired after many years use. For this reason, the problem (technical problem or purpose) to be solved by the present invention is to use an inclined dowel without using an adhesive (glue). It is to realize the construction material of the system.

そこで、発明者は上記課題を解決すべく鋭意,研究を重ねた結果、請求項1の発明を、
何らの接着剤を使うことなく角材又は板状材等の木材が3本以上平面状に重ねられ、該木材からなる複数のダボにて結合され、且つ該ダボは適宜な傾斜角度を有して設けられてなることを特徴とする木質系の建築材としたことにより、前記課題を解決したものである。また、請求項2の発明においては、前述の構成において、前記ダボは、3本以上平面状に重ねられ木材を略貫通するように構成されてなることを特徴とする木質系の建築材としたことにより、前記課題を解決した。
Therefore, as a result of intensive studies and researches to solve the above problems, the inventor devised the invention of claim 1,
Three or more pieces of wood such as square or plate-like materials are stacked in a plane without using any adhesive, and are joined by a plurality of dowels made of the wood, and the dowels have an appropriate inclination angle. The above-mentioned problem is solved by using a woody building material characterized by being provided. According to a second aspect of the present invention, in the above-described configuration, the dowels are configured to be three or more flatly stacked so as to substantially penetrate wood, and the wooden construction material is provided. This solves the problem.

また、請求項3の発明においては、前述の構成において、前記ダボは、3本以上平面状に重ねられ木材の幅方向の両側からそれぞれ一部貫通されて中央で重なり箇所を有することを特徴とする木質系の建築材としたことにより、前記課題を解決した。また、請求項4の発明においては、前述の構成において、前記ダボの傾斜角度は、前記木材の長手方向に適宜な角度傾斜してなることを特徴とする木質系の建築材としたことにより、前記課題を解決した。また、請求項5の発明においては、前述の構成において、前記ダボの傾斜角度は、前記木材の厚み方向にも適宜な角度傾斜してなることを特徴とする木質系の建築材としたことにより、前記課題を解決したものである。   The invention of claim 3 is characterized in that, in the above-mentioned configuration, the dowels are three or more stacked in a planar shape, partially penetrating from both sides in the width direction of the wood, and having an overlapping portion in the center. The above-mentioned problem was solved by using a wooden construction material. Moreover, in invention of Claim 4, in the above-mentioned structure, the inclination angle of the dowel is an appropriate angle inclination in the longitudinal direction of the wood. The said subject was solved. According to a fifth aspect of the present invention, in the above-described configuration, the dowel has a slanting angle that is also a suitable slanting angle in the thickness direction of the wood. The above-mentioned problem is solved.

また、請求項6の発明においては、前述の構成において、前記ダボの傾斜角度は、約3°乃至約30°に形成されてなることを特徴とする木質系の建築材としたことにより、前記課題を解決したものである。また、請求項7の発明においては、前述の構成において、前記ダボは前記木材の長手方向に対して1列又は2列に設けてなることを特徴とする木質系の建築材としたことにより、前記課題を解決したものである。   According to a sixth aspect of the present invention, in the above-described configuration, the dowel has an inclination angle of about 3 ° to about 30 °. It solves the problem. Further, in the invention of claim 7, in the above-described configuration, the dowels are provided in one or two rows with respect to the longitudinal direction of the wood, and the wood-based building material is characterized in that The problem is solved.

請求項1の発明においては、接着剤を使わないでも、特にダボの傾斜設置にて頗る強固に結合ができ、また、壁板、床板、天井板などに広い応用材にでき、さらに、接着剤を使わないことから、仮に焼却してもダイオキシンの発生もなく、近年問題視されているシックハウス症候群にならない利点がある。また、間伐材としての角材を有効利用でき、国内の木材産業に多大なる貢献ができる。また、請求項2発明では、間伐材から取った角材を有効利用でき、これはまた国内の木材産業に貢献ができるものである。請求項3の発明でも十分に強固な強度に結合できる。また、請求項4又は5の発明においても、強固な結合ができる。また、請求項6の発明でも、請求項4の発明と同等な効果を奏する。また、請求項7の発明においては、請求項1の発明と同等な効果を奏するものである。   In the invention of claim 1, even without using an adhesive, it can be firmly joined especially by installing the dowel in an inclined manner, and can be applied to a wide range of application materials such as a wall board, a floor board, and a ceiling board. Because no dioxins are generated even if incinerated, there is an advantage that the sick house syndrome, which has been regarded as a problem in recent years, does not occur. In addition, timber as thinned wood can be used effectively, which can greatly contribute to the domestic wood industry. Further, in the second aspect of the present invention, it is possible to effectively use the timber taken from the thinned wood, which can also contribute to the domestic wood industry. Even the invention of claim 3 can be bonded to a sufficiently strong strength. Also, in the invention of claim 4 or 5, strong bonding can be achieved. Also, the invention of claim 6 has the same effect as that of the invention of claim 4. Further, the invention of claim 7 has the same effect as that of the invention of claim 1.

以下、本発明の実施形態について図面に基づいて説明すると、図1乃至図2は第1実施形態の一列ダボ構造であって、厚み又は太さのある間伐材としての角材1等の木材Aが3本以上平面状に重ねられ、該重ねられ面としての接合面は面接触され、前記木材Aの材質からなる複数のダボ2にて結合されている。その接合面には何らの接着剤も使用されない。前記ダボ2は、適宜な傾斜角度を有したダボ穴3に堅めに挿入されて結合されている[図1(D)参照]。該ダボ2による結合について詳述する。   DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 and 2 show a one-row dowel structure according to the first embodiment, in which a wood A such as a square 1 as a thinning material having a thickness or thickness is provided. Three or more are overlapped in a planar shape, the joint surfaces as the overlapped surfaces are in surface contact, and are joined by a plurality of dowels 2 made of the material of the wood A. No adhesive is used on the joint surfaces. The dowel 2 is firmly inserted and coupled to a dowel hole 3 having an appropriate inclination angle [see FIG. 1 (D)]. The coupling by the dowel 2 will be described in detail.

前記角材1の長手方向をX方向とし、該角材1,1,・・・が3本以上平面状に重ねられ、結合された高さ方向をY方向とし、前記X方向とY方向とで形成される面に直交する方向をZ方向とする。すなわち、該Z方向は、前記X方向に直交しつつ前記角材1,1,・・・が3本以上平面状に重ねられた建築材の厚みに該当する。すると、前記ダボ2及びダボ穴3の傾斜角度としては、木材を構成する繊維は木の長手方向に配列されているため、この長手方向(X方向)への傾斜角度∠αが形成されている。   The longitudinal direction of the square member 1 is the X direction, three or more of the square members 1, 1,... Are stacked in a plane, and the combined height direction is the Y direction, and the X direction and the Y direction are formed. The direction orthogonal to the surface to be formed is taken as the Z direction. That is, the Z direction corresponds to the thickness of a building material in which three or more of the square members 1, 1,. Then, as the inclination angle of the dowel 2 and the dowel hole 3, since the fibers constituting the wood are arranged in the longitudinal direction of the wood, an inclination angle ∠α in the longitudinal direction (X direction) is formed. .

すなわち、X方向への傾斜は、実際にはZ方向から見て+(プラス)∠α[図1(A)参照]又は―(マイナス)∠α[図1(A)参照]に形成されているものである。また、X方向又はY方向から見て単に垂直上に形成されている。前記+∠α又は―∠αの∠αは、任意の約2、3°から約30°の角度として構成されている。また、前記角材1,1,・・・が3本以上平面状に重ねられた方向(Y方向)の各角材1の一側面に、弧状又は角山状の突条4が形成されると共に、前記各角材1の他側面には、前記弧状又は角山状の突条4に係合する、弧状又は角山状の溝部5がそれぞれ形成されている(図2(C)及び(D)参照〕。   That is, the inclination in the X direction is actually formed as + (plus) ∠α [see FIG. 1A] or − (minus) ∠α [see FIG. 1A] as viewed from the Z direction. It is what. Further, it is simply formed vertically when viewed from the X direction or the Y direction. The ∠α of the + ∠α or −∠α is configured as an arbitrary angle of about 2, 3 ° to about 30 °. In addition, an arc-shaped or angular mountain-shaped protrusion 4 is formed on one side surface of each square 1 in a direction (Y direction) in which three or more squares 1, 1,. On the other side surface of each square member 1, arc-shaped or angular mountain-shaped grooves 5 that engage with the arc-shaped or angular mountain-shaped protrusions 4 are respectively formed (see FIGS. 2C and 2D).

次に、第2実施形態の二列ダボ構造について図3乃至図5について説明する。この場合のダボ2の取付構造としては、一列と同様にハの字状に繰り返し形成され、前記角材1の長手方向のX方向の両端箇所であって、この一側のダボ2は単に垂直状に形成されている。また、前記ハの字状の一つのダボ2について詳述する。Z方向から見て∠α[図4(A)参照]で、X方向から見て∠β[図4(B)参照]で、Y方向から見て∠γ[図4(C)参照]として構成されている。この場合も、前記∠α、∠β及び∠γは、それぞれ任意の約2、3°から約30°の角度として構成されている。また、第2実施形態でも、各角材1の一側面に前記突条4が形成されると共に、前記各角材1の他側面には、前記突条4に係合する溝部5がそれぞれ形成されることもある。   Next, the two-row dowel structure of the second embodiment will be described with reference to FIGS. The mounting structure of the dowels 2 in this case is repeatedly formed in the shape of a letter C as in the case of one row, and is located at both ends in the X direction in the longitudinal direction of the square member 1. Is formed. The dowel 2 having the C shape will be described in detail. ∠α seen from the Z direction (see FIG. 4A), ∠β seen from the X direction (see FIG. 4B), and ∠γ seen from the Y direction [see FIG. 4C] It is configured. Also in this case, ∠α, ∠β, and ∠γ are each configured as an arbitrary angle of about 2, 3 ° to about 30 °. Also in the second embodiment, the protrusion 4 is formed on one side surface of each square member 1, and the groove 5 that engages with the protrusion 4 is formed on the other side surface of each square member 1. Sometimes.

さらに具体的には、図3(A)の(ア)個所を拡大した図5を説明すると、前記角材1の頂部面と同一面上であって、前記ダボ2頂部の真円の中心をOとし、且つY方向の最下部の前記角材1の底部面と同一面上であって、前記ダボ2底部の真円の中心をOとし、前記O点から下した垂線と前記角材1の底部面上の足をOとし、該O点からX方向及びZ方向に基準線m,nを引く。すると、X方向から見たOは、線分Zとなり、Z方向から見たOは、線分Xとなる。 More specifically, FIG. 5 in which (a) of FIG. 3A is enlarged will be described. The center of the perfect circle on the same surface as the top surface of the square member 1 and the top of the dowel 2 is O. 0 and the same as the bottom surface of the square member 1 at the bottom in the Y direction, the center of a perfect circle at the bottom of the dowel 2 is O 1, and the perpendicular line and the square member 1 that are lowered from the O 0 point of the foot on the bottom surface and O n, draw reference lines m, the n from the O n points in the X and Z directions. Then, O n O 1 as viewed from the X direction, the line segment Z 1 becomes, O n O 1 as viewed from the Z direction is the line segment X 1.

前記Z方向から見た線分Xは∠αとなる[図4(A)及び図5参照]。また、X方向から見た線分Zは∠βとなる[図4(B)及び図5参照]。また、平面的に見た角度は、∠γ[図4(C)及び図5参照]である。このような結合は、図4(A)に示すように、少なくとも3本以上の角材1,1,・・・がX―Y面において、適宜な傾斜角度となるように、ダボ2が適宜の間隔をおいて複数形成されている。この2列というのは、1列目の各ダボ2はX―Y面において、+∠αであって、裏面から表面へ、2列目の各ダボ2はX―Y面において、−∠αであって、表面から裏面へそれぞれ向かったダボ穴3に挿入固定されている。特に、図3(D)及び(E)に示すように、前記ダボ2,2はX字状になるように構成されている。ダボピッチを適宜にすることによってダボ2の数を増減して結合強度を適宜のものに選択できる。 The line segment X 1 as viewed from the Z direction is ∠Arufa [Fig. 4 (A) and 4 refer to FIG. 5. Further, the line segment Z 1 as viewed from the X direction is the ∠Beta [FIG 4 (B) and FIG. 5. Further, the angle viewed in a plane is ∠γ [see FIG. 4C and FIG. 5]. As shown in FIG. 4 (A), such a connection is achieved by the dowel 2 having an appropriate inclination angle so that at least three square members 1, 1,... Have an appropriate inclination angle in the XY plane. A plurality are formed at intervals. The second row is because each dowel 2 in the first row is + ∠α on the XY plane, and from the back to the front, each dowel 2 in the second row is −∠α on the XY plane. And it is inserted and fixed in the dowel holes 3 respectively directed from the front surface to the back surface. In particular, as shown in FIGS. 3D and 3E, the dowels 2 and 2 are configured to be X-shaped. By appropriately adjusting the dowel pitch, the number of dowels 2 can be increased or decreased to select an appropriate coupling strength.

また、第2実施形態の二列ダボ構造の簡略化した構成は、X―Y面のみとし、Z方向への曲げをなくしたものである。図6(A)のものであり、平面図としてダボ2の傾斜方向を矢印として簡略化すると、図6(B)に示す通りである。また、ダボ2が、角材1,1を貫通している場合を貫通ダボといい、図1乃至図3及び図4(A),(B)等の場合である。また、一方向端が隠れた状態の場合を隠しダボといい、図4(D)の場合である。外観を重視してダボ2を隠した面を表面として、建築材として使用するものである。強度的には、貫通ダボも隠しダボであっても同等である。   In addition, the simplified configuration of the two-row dowel structure of the second embodiment includes only the XY plane and eliminates bending in the Z direction. FIG. 6 (A) is a plan view, and the plan view is simplified as an arrow indicating the direction of inclination of the dowel 2 as shown in FIG. 6 (B). Moreover, the case where the dowel 2 penetrates the square bars 1 and 1 is referred to as a penetrating dowel, which is the case of FIGS. 1 to 3 and FIGS. Moreover, the case where the one-direction end is hidden is referred to as a hidden dowel, which is the case of FIG. The surface on which the dowel 2 is hidden with emphasis on the appearance is used as a surface, and it is used as a building material. In terms of strength, the penetrating dowels and the hidden dowels are equivalent.

また、図7に示すように、前記角材1,1,・・・が3本以上平面状に重ねられた建築材において、ダボ2が、貫通せずに中央個所において所定間隔をおいて重ね部を設けて構成することもある。具体的には、図7の(イ)個所を、拡大した断面図としての図7(B)の通りである。この場合にも、一本貫通のダボ2と同等の強度を得ることができる。特に、製造し易い利点がある。このように間伐材としての木材Aは、角材1が主である。前記木材Aには、無垢の間伐材が使用されることが多いが、これ以外の木質系部材を使用することもある。   In addition, as shown in FIG. 7, in the building material in which three or more of the square members 1, 1,... Are stacked in a planar shape, the dowels 2 do not penetrate and overlap each other at a predetermined interval at the central location. May be provided. Specifically, the portion (a) in FIG. 7 is as shown in FIG. 7B as an enlarged cross-sectional view. Also in this case, the same strength as that of the single penetrating dowel 2 can be obtained. In particular, there is an advantage that it is easy to manufacture. Thus, the timber A as the thinned material is mainly the square material 1. The wood A is often made of solid thinned wood, but other wood-based members may also be used.

前記ダボ2の材料としては、前記角材1又は板状材等の木材Aよりも硬い材質の木材Aを使用するのが通常であるが、強度をそれほど要求されない場合には、前記木材Aと同一材を使用することもある。また、ダボ2の径は、前記ダボ穴3の内径よりも僅かに大きくして固く押し込むようにして前記木材A,A相互を結合する。通常、前記ダボ2の直径は、約6mm乃至約50mm程度で使用される。また、前記木材Aとしての角材1は、約25mm乃至約100mm度のものが使用される。ダボ2が木材Aに圧迫密着するために、ダボ2の含水率として、約15%以下、好ましくは約10%近くにして使用する。   As the material of the dowel 2, it is usual to use a wood A made of a material harder than the wood A such as the square material 1 or the plate-like material, but the same as the wood A when the strength is not so required. Sometimes wood is used. Further, the diameter of the dowel 2 is slightly larger than the inner diameter of the dowel hole 3, and the woods A and A are joined together so as to be pushed firmly. Usually, the diameter of the dowel 2 is about 6 mm to about 50 mm. Further, the square material 1 as the wood A is about 25 mm to about 100 mm. In order for the dowel 2 to be pressed and adhered to the wood A, the water content of the dowel 2 is about 15% or less, preferably about 10%.

また、前記角材1は、乾燥状態として、含水率として、約20%以下、好ましくは約15%程度を使用するものである。さらに、前記木材Aとしての角材1,1,・・・が3本以上平面状に重ねられた建築材の厚さ(Z方向)が、約3cm乃至約10cm内外であって、幅(Y方向)が10cm乃至約2mをなし、長手方向(X方向)が、約1m乃至約5m程度の部材が使用される。ダボ2にて強固に結合されていれば、その数値には限定されない。   The square 1 is used in a dry state with a moisture content of about 20% or less, preferably about 15%. Further, the thickness (Z direction) of the building material in which three or more square members 1, 1,... As the wood A are stacked in a planar shape is about 3 cm to about 10 cm, and the width (Y direction). ) Is 10 cm to about 2 m, and a member having a longitudinal direction (X direction) of about 1 m to about 5 m is used. As long as the dowels 2 are firmly connected, the numerical values are not limited.

また、傾斜設置されたダボ2で結合された角材1,1についての強度を説明する。図8に示すように、角材1,1にダボ2の軸方向としてY方向に全体の力Fが作用して、角材1,1間にそれぞれを剥がすように作用した場合である。図8の上側のダボ2の立体角をθとする。該θは、図3の(ア)個所の∠αと∠βと∠γとで構成された立体角である。また、図8の下側のダボ2の立体角をθとする。これは、図3の(ア)箇所と同様な構成での立体角とする。また、図8の上側のダボ2に加わる分力をfとし、図8の下側のダボ2に加わる分力をfとする。 Moreover, the intensity | strength about the square members 1 and 1 couple | bonded with the dowel 2 installed in inclination is demonstrated. As shown in FIG. 8, the entire force F acts on the square bars 1, 1 in the Y direction as the axial direction of the dowel 2, and the square bars 1, 1 are peeled off from each other. The solid angle of the upper dowel 2 in FIG. 8, theta 1. The θ 1 is a solid angle composed of ∠α 1 , ∠β 1 and ∠γ in (a) of FIG. Further, the lower solid angle dowels 2 in FIG. 8 and theta 2. This is a solid angle having the same configuration as that shown in FIG. Further, a component force applied to the dowel 2 of the upper side of FIG. 8 and f 1, the component force applied to the dowel 2 of the lower side in FIG. 8 and f 2.

説明を簡略化して、分力fと分力fとの2本のダボ2で合力F(全体の力)とすると、fcosθ+fcosθ=剥がす合力となる。ここで、分力fと分力fの方向が異なることから、前記角材1が圧縮又は引張による外力にて変形しない場合には、剥がす力として作用しない。すなわち、角材1,1相互は結合状態を保持する。また、fsinθ+fsinθ=2本のダボ2のせん断力となる。このせん断力が、ダボ2の材質及び直径による強度性として保持される。 When the explanation is simplified and the resultant force F (total force) is obtained by two dowels 2 of the component force f 1 and the component force f 2 , f 1 cos θ 1 + f 2 cos θ 2 = the resultant force to be peeled off. Here, since the directions of the component force f 1 and the component force f 2 are different, when the square member 1 is not deformed by an external force due to compression or tension, it does not act as a peeling force. That is, the square bars 1 and 1 are kept in a coupled state. Further, f 1 sin θ 1 + f 2 sin θ 2 = 2 is the shear force of the two dowels 2. This shearing force is maintained as strength by the material and diameter of the dowel 2.

以上のように、傾斜設置されたダボ2で結合された角材1,1は、何らの接着剤を使うことがなくても、角材1,1相互は強固な結合ができる。このように、接着剤を使わないことから、仮に焼却してもダイオキシンの発生もなく、近年問題視されているシックハウス症候群を確実に回避できるという大きな利点がある。特に、何らの接着剤を使わないことから安価に構成できつつ、強固にできるという極めて顕著な効果を奏する発明である。   As described above, the square members 1 and 1 joined by the dowels 2 installed at an inclination can be firmly joined to each other without using any adhesive. As described above, since no adhesive is used, there is no generation of dioxin even if it is incinerated, and there is a great advantage that it is possible to reliably avoid sick house syndrome, which has been regarded as a problem in recent years. In particular, the present invention has an extremely remarkable effect that it can be constructed at low cost and can be strengthened because no adhesive is used.

近時、間伐材の利用を如何にするかが問題視されていたが、本発明では、間伐材の利用可能性が極めて高く、国内の木材産業の救世主となるのみならず、国内の林業及び木材産業の発展に多大なる貢献ができるものである。ひいては、森林保全、環境保持に貢献できるという最大の利点がある。   Recently, there has been a problem of how to use thinned wood, but in the present invention, the possibility of using thinned wood is extremely high, not only becoming a savior of the domestic timber industry, but also domestic forestry and It can greatly contribute to the development of the timber industry. As a result, it has the greatest advantage of contributing to forest conservation and environmental preservation.

(A)は本発明の第1実施形態の建築材の斜視図、(B)は(A)の平面図、(C)は(A)の側面図、(D)はダボの形態を示した断面図である。(A) is the perspective view of the construction material of 1st Embodiment of this invention, (B) is the top view of (A), (C) is the side view of (A), (D) showed the form of the dowel. It is sectional drawing. (A)は本発明の第1実施形態の建築材の斜視図、(B)は(A)の正面面図、(C)及び(D)は本発明の第1実施形態の変形例の建築材の一部正面図である。(A) is a perspective view of the building material of 1st Embodiment of this invention, (B) is a front view of (A), (C) and (D) are the architecture of the modification of 1st Embodiment of this invention. It is a partial front view of material. (A)は本発明の第2実施形態の建築材の斜視図、(B)は(A)の平面図、(C)は(B)のP-P矢視断面図、(D)は(B)のP-P矢視断面図、(E)は(B)のP-P矢視断面図である。(A) is a perspective view of a building element of the second embodiment of the present invention, (B) is a plan view of (A), (C) is P 1 -P 1 cross-sectional view along a line (B), (D) (B) is a P 2 -P 2 arrow cross-sectional view, (E) is a P 3 -P 3 arrow cross-sectional view of (B). (A)は本発明の第2実施形態の建築材の一部断面図、(B)は本発明の第2実施形態の建築材の(ア)個所の断面図、(C)は本発明の第2実施形態の建築材の一部平面図、(D)はダボの別の形態を示した断面図である。(A) is a partial cross-sectional view of the building material of the second embodiment of the present invention, (B) is a cross-sectional view of (a) location of the building material of the second embodiment of the present invention, (C) is of the present invention The partial top view of the construction material of 2nd Embodiment, (D) is sectional drawing which showed another form of the dowel. 本発明の第2実施形態の建築材の図3(A)の(ア)個所のダボの拡大詳細図である。FIG. 4 is an enlarged detail view of a dowel at a point (a) in FIG. 3A of the building material of the second embodiment of the present invention. (A)は本発明の第2実施形態の変形例の建築材の斜視図、(B)は(A)の平面図、(C)は(B)のQ-Q矢視断面図、(D)は(B)のQ-Q矢視断面図、(E)は(B)のQ-Q矢視断面図である。(A) is a perspective view of a construction material according to a modification of the second embodiment of the present invention, (B) is a plan view of (A), (C) is a cross-sectional view taken along the line Q 1 -Q 1 of (B), (D) is a cross-sectional view taken along the line Q 2 -Q 2 of (B), and (E) is a cross-sectional view taken along the line Q 3 -Q 3 of (B). (A)はダボの他の実施形態の状態図、(B)は(A)の(ア)個所の詳細断面図である。(A) is a state diagram of another embodiment of the dowel, and (B) is a detailed cross-sectional view of the location (a) of (A). は本発明の重ねられた木材に剥がす外力が発生した場合の作用状態図である。These are operation | movement state diagrams when the external force which peels to the laminated | stacked wood of this invention generate | occur | produced.

符号の説明Explanation of symbols

A…木材
1…角材
2…ダボ
3…ダボ穴
A ... Wood 1 ... Square 2 ... Dowel
3 ... Dowel hole

Claims (7)

何らの接着剤を使うことなく角材又は板状材等の木材が3本以上平面状に重ねられ、該木材からなる複数のダボにて結合され、且つ該ダボは適宜な傾斜角度を有して設けられてなることを特徴とする木質系の建築材。   Three or more pieces of wood such as square or plate-like materials are stacked in a plane without using any adhesive, and are joined by a plurality of dowels made of the wood, and the dowels have an appropriate inclination angle. A wooden construction material characterized by being provided. 請求項1において、前記ダボは、3本以上平面状に重ねられ木材を略貫通するように構成されてなることを特徴とする木質系の建築材。   2. The woody building material according to claim 1, wherein three or more dowels are stacked in a planar shape so as to substantially penetrate wood. 請求項1において、前記ダボは、3本以上平面状に重ねられ木材の幅方向の両側からそれぞれ一部貫通されて中央で重なり箇所を有することを特徴とする木質系の建築材。   3. The wood-based building material according to claim 1, wherein three or more dowels are stacked in a planar shape and partially penetrated from both sides in the width direction of the wood and have an overlapping portion at the center. 請求項1,2又は3において、前記ダボの傾斜角度は、前記木材の長手方向に適宜な角度傾斜してなることを特徴とする木質系の建築材。   4. The wooden building material according to claim 1, 2 or 3, wherein the dowel is inclined at an appropriate angle in the longitudinal direction of the wood. 請求項4において、前記ダボの傾斜角度は、前記木材の厚み方向にも適宜な角度傾斜してなることを特徴とする木質系の建築材。   5. The wood-based building material according to claim 4, wherein the dowel is inclined at an appropriate angle in the thickness direction of the wood. 請求項4又は5において、前記ダボの傾斜角度は、約3°乃至約30°に形成されてなることを特徴とする木質系の建築材。   6. The wooden building material according to claim 4, wherein the dowel has an inclination angle of about 3 ° to about 30 °. 請求項1,2,3,4,5又は6において、前記ダボは前記木材の長手方向に対して1列又は2列に設けてなることを特徴とする木質系の建築材。

7. The wood-based building material according to claim 1, 2, 3, 4, 5, or 6, wherein the dowels are provided in one or two rows with respect to the longitudinal direction of the wood.

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JP2012509202A (en) * 2008-11-18 2012-04-19 ロゴ アイピー ピーティワイ リミテッド イン イッツ キャパシティ アズ トラスティー フォー ソーントン アイピー トラスト Wood structural components
WO2015176125A1 (en) * 2014-05-18 2015-11-26 Loggo Ip Pty Ltd In Its Capacity As Trustee For Thornton Ip Trust Composite structural member 2
JP5879001B1 (en) * 2015-08-18 2016-03-08 株式会社中東 Reinforced laminated board
JP2016534909A (en) * 2013-09-06 2016-11-10 ロゴ アイピー ピーティワイ リミテッド イン イッツ キャパシティ アズ トラスティー フォー ソーントン アイピー トラスト Composite structural member

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JP2012509202A (en) * 2008-11-18 2012-04-19 ロゴ アイピー ピーティワイ リミテッド イン イッツ キャパシティ アズ トラスティー フォー ソーントン アイピー トラスト Wood structural components
JP2016534909A (en) * 2013-09-06 2016-11-10 ロゴ アイピー ピーティワイ リミテッド イン イッツ キャパシティ アズ トラスティー フォー ソーントン アイピー トラスト Composite structural member
WO2015176125A1 (en) * 2014-05-18 2015-11-26 Loggo Ip Pty Ltd In Its Capacity As Trustee For Thornton Ip Trust Composite structural member 2
CN106536833A (en) * 2014-05-18 2017-03-22 桑顿Ip信托人洛戈Ip有限公司 Composite structural member 2
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AU2015263848B2 (en) * 2014-05-18 2019-11-21 Loggo Ip Pty Ltd In Its Capacity As Trustee For Thornton Ip Trust Composite structural member 2
CN106536833B (en) * 2014-05-18 2020-03-06 桑顿Ip信托人洛戈Ip有限公司 Composite structural member 2
JP5879001B1 (en) * 2015-08-18 2016-03-08 株式会社中東 Reinforced laminated board

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