JP2004305103A - Termite-repelling material and jig for passing through - Google Patents

Termite-repelling material and jig for passing through Download PDF

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JP2004305103A
JP2004305103A JP2003103611A JP2003103611A JP2004305103A JP 2004305103 A JP2004305103 A JP 2004305103A JP 2003103611 A JP2003103611 A JP 2003103611A JP 2003103611 A JP2003103611 A JP 2003103611A JP 2004305103 A JP2004305103 A JP 2004305103A
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Prior art keywords
termite
building
jig
wood
timber
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JP2003103611A
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Japanese (ja)
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Junichi Ishida
順一 石田
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Individual
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Abstract

<P>PROBLEM TO BE SOLVED: To precisely block the passing through of a termite and to enable the attachment to a timber for a building to be easily carried out. <P>SOLUTION: The termite-repelling material 1 has resistance to a secretion product of the termite, and is constituted of a mesh body 4 having a size of aperture 5 not allowing the termite to pass through. The mesh body 4 is constituted so as to have an internal circumference size E×4 larger than the outer circumference size D×4 of the timber W1 for the building, and so as to be formed into a cylinder shape through which the timber W1 for the building is passed. The mesh body 4 is, for example, formed by knitting a spiral wire 2 wound in a spiral shape, with many straight wires 3 interknitted among the spiral wire 2 so as to have a square cylinder shape with no joint in the circumferential direction. The jig for passing through may be used for passing the timber W1 for the building through the termite-repelling material 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【0001】
【発明の属する技術分野】
本発明は、建築用木材の外面を被って白蟻の食害を防ぐ防蟻材、および、この防蟻材を建築用木材に装着する際に用いられる挿通用治具に関する。
【0002】
【従来の技術】
従来、この種の防蟻材としては、例えば下記の特許文献1に記載されたものが知られている。かかる文献記載の防蟻材は、白蟻の分泌物(例えば、蟻酸や木質分解酵素など)に対し耐性のあるステンレス鋼線製であり、白蟻が通過不能な目開き寸法のシート網状のメッシュ体で構成されている。メッシュ体の片面には小さな係止突起が多数設けられている。この防蟻材は柱や土台など建築用木材の外周に巻きつけて重ねられたのち、重ね合わせ部分の係止突起が対面位置の目開きに係止されて固定されるようになっている。
【0003】
かかる防蟻材は以下の点で注目されている。すなわち、環境悪化やシックハウス症候群の発生などにつながる化学物質や薬剤などを使用することなく白蟻の食害を防げること、木材への通気性を損なわないこと、薬剤などが数年毎の塗布を必要とするのに対し一度の工事で半永久的な白蟻予防ができて白蟻対策工事を安価に実現できることなどである。
【0004】
【特許文献1】
特開2001−333685号公報
【0005】
【発明が解決しようとする課題】
上記した従来の防蟻材において、係止突起は白蟻を通さないほど微小の目開きに差し込まれるので、極めて小さく形成しなければならない。そのため、係止突起は製作自体が困難で、一定以上の強度を確保することが難しいことから目開きに差し込まれる際に変形して役に立たないことがある。また、たとえ係止突起が目開きに差し込まれたとしても小さな力により変形して目開きから外れるおそれがある。また、取り扱い時に作業者の指先に刺さって負傷させやすい。
【0006】
他方、上記従来の防蟻材は平たんなシート状体であるために建築用木材に巻きつけて使用されるが、その巻きつけ作業および係止突起の係止作業は想像以上に面倒であり手間がかかる。更には、防蟻材を重ね合わせた係止部分にどうしても隙間が生じやすく、この隙間から白蟻が侵入して木材を食い荒らすおそれもある。
【0007】
本発明は、上記した従来の問題点に鑑みてなされたものであって、白蟻の通過を確実に阻止でき、しかも建築用木材への装着が容易な防蟻材および挿通用治具の提供を目的とする。
【0008】
【課題を解決するための手段】
上記目的を達成するために、本発明に係る防蟻材は、白蟻の分泌物に対する耐性を有し、且つ、白蟻が通過不能な目開き寸法のメッシュ体で構成される防蟻材であって、前記メッシュ体が、建築用木材の外周寸法よりも大きな内周寸法で建築用木材を挿通可能な筒状に形成された構成にしてある。
【0009】
また、本発明に係る挿通用治具は、請求項1に記載の防蟻材に建築用木材を挿通するために用いられる挿通用治具であって、防蟻材内に挿通可能な外周寸法に形成された治具本体を備えて成り、治具本体の後面に、建築用木材の端面に着脱自在に嵌着される嵌合凹部が形成され、治具本体の前面に、前方に細くなるテーパ部が形成されているものである。
【0010】
【発明の実施の形態】
本発明の実施の形態を図面に基づいて説明する。尚、以下に述べる実施形態は本発明を具体化した一形態に過ぎず、本発明の技術的範囲を限定するものでない。ここに、図1は本発明の一実施形態に係る防蟻材を示す斜視図、図2は前記防蟻材の一部分と白蟻を並べて示す平面図である。
各図において、この実施形態に係る防蟻材1は、白蟻Gの分泌物に対し耐性を有するステンレス鋼線から成るメッシュ体4で構成されている。メッシュ体4は、一定のピッチFで螺旋状に巻かれた螺旋線条2と、螺旋線条2の間に編み込まれた多数の直線線条3とで編成され周方向に継目のない角筒状に形成されている。
【0011】
多数の直線線条3はメッシュ体4の筒心Q方向に沿って配置されていて、これらの直線線条3,3間も一定の間隔Fに設定されている。これにより、螺旋線条2,2と直線線条3,3の間に、縦横間隔F×Fの目開き5が形成される。この目開き5の開口寸法(F)は白蟻Gが通過不能な寸法であり、例えば0.5mm以下である。また、螺旋線条2と直線線条3の線径は例えば0.1mmである。そして、メッシュ体4の筒寸法は、建築用木材W1の外周寸法(縦寸法D×2+横寸法D×2)よりも大きな内周寸法(縦寸法E×2+横寸法E×2)に形成されていて、建築用木材W1を挿通可能な大きさとなっている。
【0012】
かかる防蟻材1は、図3に示すように、例えば柱などの建築用木材W1が挿通される。ここでは、端面にホゾ6を有する建築用木材W1の例を示す。建築用木材W1のホゾ6側をメッシュ体4の一端開口から挿入し、他端開口からホゾ6を突出させる。すると、建築用木材W1の外周面が防蟻材1で被覆される。そして、メッシュ体4の他端開口の4辺を、ホゾ6に向けてそれぞれ折り曲げて折り曲げ部R1〜R4とする。これにより、ホゾ6を除く建築用木材W1の端面全体が折り曲げ部R1〜R4で被われる。これらの折り曲げ部R1〜R4はそのままの状態にしておいてもよいが、ホッチキスなどで建築用木材W1の端面に止めておけば確実である。
【0013】
一方、図4に示すように、例えば土台などの建築用木材W2も防蟻材1に挿通されて、その全面が防蟻材1で被覆される。ホゾ穴7の上方を被った部分の防蟻材1はハサミなどで切除される。
そうして、図5に示すように、先述した建築用木材W1のホゾ6が建築用木材W2のホゾ穴7に矢印Pのように圧入されてホゾ接ぎされる。このとき、建築用木材W1側の防蟻材1の折り返し部R1〜R4は、建築用木材W2側の防蟻材1におけるホゾ穴7周辺の縁部S,S,S,S上に圧接されて密着する。
【0014】
このようにして、例えば図6に示すような家屋建築構造が構築されるのである。この家屋建築構造では、地中埋設用の張り出し部11を有するコンクリート基礎10の上面に、予め全体が防蟻材1で被覆された建築用木材(土台)W2および建築用木材(土台)W3がボルトなどで固定される。これらの土台W2と土台W3はホゾ8とホゾ穴9でホゾ接ぎされる。その際、土台W2側の防蟻材1における折り返し部R5,R6は、土台W3側の防蟻材1におけるホゾ穴9周辺の折り返し部R7,R8に圧接されて密着する。そして、防蟻材1で被覆された建築用木材(柱)W1が図3で既述したように土台W2にホゾ接ぎされる。この場合、防蟻材1の折り返し部R1〜R4,R5,R6と、防蟻材1の縁部S,S,S,Sおよび折り返し部R7,R8とはしっかりと圧着しているため、これらの圧着部分に白蟻Gの入り込める隙間は生じない。
【0015】
尚、柱W1においては、土間床面GLから防蟻材1の上端14までの高さがHとなる部分を防蟻材1で被覆しなければならない。かかる高さHは、白蟻Gが土間床面GL近傍に形成した蟻道から出て防蟻材1の上端14まで到達しても蟻道に戻る前に体表が乾燥して死に至る距離である。因みに、かかる高さHとしては、代表的なイエシロアリの場合で約1mである。無論、前記高さH(=1m)に拘泥されるものでなく、それよりも上方位置の柱W1を防蟻材1で被覆しても構わない。
【0016】
上記したように、この実施形態の防蟻材1は、白蟻Gが通過不能な目開き寸法(F×F)のメッシュ体4で構成されているので、白蟻Gが目開き5を通り抜けて木材に到達することを阻止する。また、白蟻Gの分泌物に対する耐性を有するステンレス鋼材で構成されているので、白蟻Gに食い破られることがない。そして、防蟻材1のメッシュ体4は筒状に形成されていてその筒内に建築用木材W1〜W3を挿通させるだけで、建築用木材W1〜W3の外面をいとも簡単に防蟻材1で被覆することができる。従って、従来技術のように、面倒な巻きつけ作業や係止突起の係止作業を行う必要がなく、工事が楽である。また、巻きつけの場合に生じやすい周方向の隙間も全く発生しない。
【0017】
ところで、建築用木材の切断端面は微小なササクレが多数存在しているため、防蟻材1の筒開口や目開き5に引っ掛かりやすい。そこで、防蟻材1に建築用木材を挿通するにあたっては、図7に示すような挿通用治具20を使用するとよい。この挿通用治具20は、原材料を問わないが例えば合成樹脂で成型され、外周面の一辺が寸法Iである正面視正方形状の治具本体21から成っている。治具本体21はその外周寸法(I×4)が角筒状の防蟻材1の内周寸法(E×4)よりも小さく設定されていて防蟻材1の筒内に挿通されるようになっている。そして、治具本体21の前面には前方に細くなる先細のテーパ部22が形成されている。また、治具本体21の後面には、一辺が寸法Jである正方形状の嵌合凹部23が前方に陥没して形成されている。嵌合凹部23の縦横寸法J×Jは、例えば前記した建築用木材W1の端面(D×D)に着脱自在に嵌着される寸法に設定されている。嵌合凹部23の前方には、この嵌合凹部23と連通する凹部24が形成されている。この凹部24は建築用木材W1の端面に設けられたホゾなどを収容するためのものである。
【0018】
前記した挿通用治具20は建築用木材W1の先端に嵌着される。そして、挿通用治具20を先頭に建築用木材W1が防蟻材1の一端開口から挿入される。この場合、挿通用治具20の外周寸法は防蟻材1の内周寸法よりも小さいので、挿通用治具20および建築用木材W1はいとも簡単に防蟻材1内に挿通され、その外周面が防蟻材1で被われる。そうして、防蟻材1の他端開口から挿通用治具20が露出すると、挿通用治具20は建築用木材W1の先端から取り外される。後処理として、防蟻材1の筒開口周縁が折り曲げられて、建築用木材W1の端面が被われる。このようにして、挿通作業が完了する。
【0019】
上記のように、挿通用治具20を用いた建築用木材の挿通方法によれば、建築用木材W1の先端に先細の挿通用治具20が嵌着されるので、建築用木材W1の先端が防蟻材1の筒開口や目開き5に引っ掛かって挿通を阻害するといったことがない。また、いったん挿通用治具20が筒開口から挿入されると、建築用木材W1の途中にササクレなどがあってもほとんど挿通に支障を生じない。従って、建築用木材W1を防蟻材1内に円滑かつ短時間で挿通することができ、極めて作業性がよい。
【0020】
一方、挿通用治具20を装着した建築用木材W1は、図8に示すように、円筒状に形成された防蟻材1Aのメッシュ体4A内に挿通することもできる。このメッシュ体4Aは、いずれもステンレス鋼線から成る、正面視円形状の螺旋線条2Aと、多数の直線線条3とで編成されている。この場合、メッシュ体4Aの筒内径Mは、挿通用治具20の外周寸法(I×4)よりもメッシュ体4Aの内周寸法(円周率π×M)がいくぶん大きくなるように設定されている。
【0021】
そこで、先端に挿通用治具20を取り付けた建築用木材W1を防蟻材1A内に挿通する(矢印N)。すると、防蟻材1Aは挿通用治具20の治具本体21の外周形状に沿って塑性変形する。これにより、防蟻材1Aは、自動的に図1に示したような角筒状の形となり、そのまま建築用木材W1の外面を被うのである。従って、建築用木材の挿通作業の機械化を図ることができる。
【0022】
尚、上記の実施形態では、線条から成る網状のメッシュ体4,4Aを例示したが、本発明はそれに限定されるものでない。図9に示すように、例えばステンレス鋼板製のメッシュ体4aから成る防蟻材1aも、本発明に含まれる。メッシュ体4aはステンレス鋼製の板材12で筒状に形成されていて、板材12に縦横寸法K×Kの正方形状の目開き5aが多数穿設されている。この場合も、目開き5aの縦横寸法K×Kは白蟻が通過不能な寸法である。
【0023】
また、目開きの開口形状は既述した正方形状に限らない。図10に示すように、例えばステンレス鋼板から成る板材13に直径Lの円形状の目開き5bが多数穿設された筒状のメッシュ体4bから成る防蟻材1bでもよい。目開き5bの直径Lも白蟻が通過不能な寸法である。
【0024】
一方、白蟻の分泌物に対し耐性を有する材質や耐候性に優れた劣化のし難い材質であれば特に限定されない。すなわち、既述したステンレス鋼材以外に、例えば、ポリエチレン、ポリプロピレン、ナイロン、ポリカーボネートなどの合成樹脂を用いることができる。
【0025】
【発明の効果】
以上詳述したように、本発明に係る防蟻材によれば、メッシュ体の目開きが白蟻の通過不能な寸法に形成されているので、白蟻が目開きを通り抜けて木材に到達することを阻止できる。また、白蟻の分泌物に対する耐性を有する材料で構成されているので、白蟻に食い破られることがない。特に、この防蟻材は筒状に形成されているので、その筒内に建築用木材を挿通させるだけで建築用木材の外面を簡単に被覆することができる。従って、従来技術のように、面倒な巻きつけ作業や係止突起の係止作業を行う必要がない。そして、防蟻材は筒周方向全周にわたってシームレスであるから筒周方向に隙間がなく、白蟻の侵入を確実に阻止できる。
【0026】
また、本発明に係る挿通用治具は、建築用木材の端面を被うので、建築用木材の端面が防蟻材の筒開口や目開きと干渉して挿通を阻害するといったことを防止できる。従って、建築用木材を防蟻材内に円滑かつ短時間で挿通することができる。
【図面の簡単な説明】
【図1】本発明の一実施形態に係る防蟻材を示す斜視図である。
【図2】前記防蟻材の一部分と白蟻を並べて示す平面図である。
【図3】前記防蟻材に建築用木材を挿通した態様を示す外観図である。
【図4】前記防蟻材に別の建築用木材を挿通した態様を示す部分平面図である。
【図5】前記防蟻材を装着した2つの建築用木材をホゾ接ぎする態様を側面から見た説明図である。
【図6】前記防蟻材を装着した建築用木材をホゾ接ぎした家屋建築構造を側面から見た説明図である。
【図7】前記防蟻材に建築用木材を挿通する際に用いられる挿通用治具を示したものであり、(a)は側面図、(b)は背面図である。
【図8】前記挿通用治具を用いて防蟻材に建築用木材を挿通する態様を示す説明図である。
【図9】本発明の別の実施形態に係る防蟻材のメッシュ体を示す部分平面図である。
【図10】本発明の他の実施形態に係る防蟻材のメッシュ体を示す部分平面図である。
【符号の説明】
1,1a,1b,1A 防蟻材
4,4a,4b,4A メッシュ体
5,5a,5b 目開き
20 挿通用治具
21 治具本体
22 テーパ部
23 嵌合凹部
D,E,F,I,J,K 寸法
G 白蟻
L,M 直径
N 矢印
W1,W2,W3 建築用木材
[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a termite-controlling material that covers the outer surface of a building timber to prevent the termites from being damaged, and to a jig for insertion used when the termite-controlling material is attached to the building timber.
[0002]
[Prior art]
Conventionally, as this type of termite-controlling material, for example, a material described in Patent Document 1 below is known. The termite prevention material described in this document is made of a stainless steel wire that is resistant to termite secretions (for example, formic acid and wood-decomposing enzymes), and is a mesh mesh sheet having an aperture size that does not allow termites to pass through. It is configured. Many small locking projections are provided on one side of the mesh body. The termite-controlling material is wound around the outer periphery of architectural timber, such as a pillar or a base, and then piled up. Then, the locking projections of the overlapped portion are locked and fixed to the openings at the facing positions.
[0003]
Such termites have received attention in the following respects. In other words, it is necessary to prevent termites from damaging the environment without using chemicals or chemicals that lead to environmental degradation or the occurrence of sick house syndrome, not to impair air permeability to wood, and to apply chemicals every few years. On the other hand, a single construction can prevent semi-permanent termites, and the termite countermeasure construction can be realized at low cost.
[0004]
[Patent Document 1]
JP 2001-333885 A
[Problems to be solved by the invention]
In the above-mentioned conventional termite protection material, the locking projections are inserted into minute openings so as not to pass through the termites, and therefore, must be formed extremely small. For this reason, it is difficult to manufacture the locking projection itself, and it is difficult to secure a certain strength or more. Therefore, when the projection is inserted into the opening, it may be useless. Further, even if the locking projection is inserted into the aperture, there is a possibility that the projection may be deformed by a small force and come off the aperture. In addition, it is easy to get injured by sticking to the fingertip of the operator during handling.
[0006]
On the other hand, the above-mentioned conventional termite-proof material is used by being wound around building wood because it is a flat sheet-shaped body, but the winding work and the work of locking the locking projections are more troublesome than expected. It takes time and effort. Further, a gap is apt to be formed in the engaging portion where the termite-controlling material is superimposed, and there is a possibility that termites may enter the gap and eat wood.
[0007]
The present invention has been made in view of the above-described conventional problems, and provides a termite-proof material and a jig for insertion that can reliably prevent termites from passing therethrough, and that can be easily attached to construction wood. Aim.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the termite-controlling material according to the present invention is a termite-controlling material having resistance to termite secretions, and comprising a mesh body having an aperture size that does not allow termites to pass through. The mesh body is formed in a tubular shape having an inner peripheral dimension larger than the outer peripheral dimension of the building timber and through which the building timber can be inserted.
[0009]
Further, an insertion jig according to the present invention is an insertion jig used for inserting building wood into the termite-proofing material according to claim 1, and has an outer peripheral dimension that can be inserted into the termite-proofing material. The jig body is formed on the rear surface of the jig body, and a fitting concave portion is formed on the end surface of the building wood so as to be removably fitted thereto. The tapered portion is formed.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. It should be noted that the embodiments described below are merely embodiments embodying the present invention, and do not limit the technical scope of the present invention. Here, FIG. 1 is a perspective view showing a termite-controlling material according to an embodiment of the present invention, and FIG. 2 is a plan view showing a part of the termite-controlling material and termites side by side.
In each of the drawings, the termite control material 1 according to this embodiment is constituted by a mesh body 4 made of a stainless steel wire having resistance to secretions of termite G. The mesh body 4 is knitted by a spiral filament 2 spirally wound at a constant pitch F and a number of straight filaments 3 woven between the spiral filaments 2 and has a seamless circumferential cylinder. It is formed in a shape.
[0011]
A large number of straight filaments 3 are arranged along the direction of the cylinder center Q of the mesh body 4, and the distance between these straight filaments 3 is also set to a constant distance F. As a result, an aperture 5 having a vertical and horizontal interval F × F is formed between the spiral filaments 2 and 2 and the linear filaments 3 and 3. The opening dimension (F) of the opening 5 is a dimension through which the termite G cannot pass, and is, for example, 0.5 mm or less. The diameter of the spiral filament 2 and the linear filament 3 is, for example, 0.1 mm. The cylindrical dimension of the mesh body 4 is formed to be an inner peripheral dimension (vertical dimension E × 2 + horizontal dimension E × 2) larger than the outer peripheral dimension (vertical dimension D × 2 + horizontal dimension D × 2) of the timber for building W1. And has a size that allows the timber for building W1 to be inserted.
[0012]
As shown in FIG. 3, for example, a building timber W <b> 1 such as a pillar is inserted into the termite-controlling material 1. Here, an example of the building wood W1 having the tenon 6 on the end surface is shown. The tenon 6 side of the timber for building W1 is inserted from one end opening of the mesh body 4, and the tenon 6 protrudes from the other end opening. Then, the outer peripheral surface of the building wood W1 is covered with the termite control material 1. Then, the four sides of the other end opening of the mesh body 4 are bent toward the tenon 6 to be bent portions R1 to R4. Thereby, the whole end surface of the timber for building W1 except the tenon 6 is covered with the bent portions R1 to R4. These bent portions R1 to R4 may be left as they are, but it is assured that the bent portions R1 to R4 are fixed to the end surface of the building wood W1 with a stapler or the like.
[0013]
On the other hand, as shown in FIG. 4, for example, building wood W2 such as a base is also inserted into the termite-controlling material 1, and the whole surface is covered with the termite-controlling material 1. The termite-controlling material 1 at the portion above the tenon hole 7 is cut off with scissors or the like.
Then, as shown in FIG. 5, the tenon 6 of the building wood W1 described above is pressed into the tenon hole 7 of the building wood W2 as indicated by an arrow P and is tenoned. At this time, the folded parts R1 to R4 of the termite control material 1 on the building wood W1 side are pressed against the edges S, S, S, S around the mortise hole 7 in the termite control material 1 on the building wood W2 side. And adhere.
[0014]
In this way, for example, a house building structure as shown in FIG. 6 is constructed. In this house building structure, a building wood (base) W2 and a building wood (base) W3, the whole of which is previously coated with a termite material 1, are provided on the upper surface of a concrete foundation 10 having an overhang portion 11 for burying underground. It is fixed with bolts. These bases W2 and W3 are tenoned by tenon 8 and tenon hole 9. At this time, the folded portions R5 and R6 of the termite control material 1 on the base W2 side are pressed against and close to the turned portions R7 and R8 around the mortise hole 9 of the termite control material 1 on the base W3 side. Then, the building wood (pillar) W1 covered with the termite-controlling material 1 is tenoned to the base W2 as described above with reference to FIG. In this case, the folded portions R1 to R4, R5, and R6 of the termite control material 1 and the edges S, S, S, S, and the folded portions R7 and R8 of the termite control material 1 are firmly pressed. There is no gap in which the termite G can enter in the pressure-bonded portion.
[0015]
In the column W1, the portion where the height from the floor GL between the soil to the upper end 14 of the termite-controlling material 1 becomes H must be covered with the termite-controlling material 1. The height H is a distance at which the body surface becomes dry and dies before returning to the ant passage even when the termite G exits from the ant passage formed near the floor GL between the soil and reaches the upper end 14 of the termite control material 1. is there. Incidentally, the height H is about 1 m in the case of a typical house termite. Of course, it is not limited to the height H (= 1 m), and the pillar W1 located above it may be covered with the termite control material 1.
[0016]
As described above, the termite prevention material 1 of this embodiment is formed of the mesh body 4 having an aperture size (F × F) through which the termites G cannot pass. Prevent from reaching. In addition, since it is made of a stainless steel material that is resistant to secretions of termite G, it is not broken down by termite G. The mesh body 4 of the termite control material 1 is formed in a tubular shape, and the outer surfaces of the building woods W1 to W3 can be easily formed by simply inserting the building woods W1 to W3 into the tube. Can be coated. Accordingly, unlike the related art, there is no need to perform a troublesome winding operation and a locking operation of the locking projection, and the construction is easy. In addition, there is no circumferential gap which is likely to occur in the case of winding.
[0017]
By the way, the cut end face of the architectural timber has a large number of minute crevices. Therefore, when inserting wood for construction into the termite-controlling material 1, it is preferable to use an insertion jig 20 as shown in FIG. The insertion jig 20 is made of, for example, a synthetic resin, regardless of the raw material, and includes a jig body 21 having a square shape in a front view and having a dimension I on one side of an outer peripheral surface. The jig body 21 has its outer peripheral dimension (I × 4) set smaller than the inner peripheral dimension (E × 4) of the rectangular tube-shaped termite control material 1 so that the jig main body 21 is inserted into the tube of the termite control material 1. It has become. The front surface of the jig body 21 is formed with a tapered portion 22 that tapers forward. On the rear surface of the jig body 21, a square fitting recess 23 having one side having a dimension J is formed by being depressed forward. The vertical and horizontal dimensions J × J of the fitting recess 23 are set, for example, to dimensions that allow the fitting recess 23 to be removably fitted to the end surface (D × D) of the above-described building timber W1. A recess 24 communicating with the fitting recess 23 is formed in front of the fitting recess 23. The recess 24 is for accommodating a tenon or the like provided on an end face of the timber for building W1.
[0018]
The above-described insertion jig 20 is fitted to the tip of the building wood W1. Then, with the insertion jig 20 at the head, the building wood W1 is inserted from one end opening of the termite control material 1. In this case, since the outer circumference of the insertion jig 20 is smaller than the inner circumference of the termite-controlling material 1, the insertion jig 20 and the building wood W1 can be easily inserted into the termite-controlling material 1 and its outer periphery. The surface is covered with termite 1. Then, when the insertion jig 20 is exposed from the other end opening of the termite control material 1, the insertion jig 20 is removed from the tip of the construction wood W1. As a post-processing, the periphery of the tube opening of the termite control material 1 is bent, and the end face of the building wood W1 is covered. Thus, the insertion operation is completed.
[0019]
As described above, according to the method of inserting construction wood using the insertion jig 20, the tapered insertion jig 20 is fitted to the tip of the construction wood W1, so that the tip of the construction wood W1 is Does not catch on the opening of the termite or the opening 5 of the termite-controlling material 1 to hinder the insertion. Further, once the insertion jig 20 is inserted from the cylindrical opening, even if there is a crepe or the like in the middle of the timber W1 for construction, there is almost no hindrance to the insertion. Therefore, the building wood W1 can be smoothly and quickly inserted into the termite-controlling material 1, and the workability is extremely good.
[0020]
On the other hand, as shown in FIG. 8, the building wood W1 to which the insertion jig 20 is attached can also be inserted into the mesh body 4A of the termite-controlling material 1A formed in a cylindrical shape. The mesh body 4A is knitted by a spiral spiral line 2A and a large number of straight linear lines 3 each made of a stainless steel wire and having a circular shape in a front view. In this case, the inner diameter M of the mesh body 4A is set so that the inner circumferential dimension (circumference π × M) of the mesh body 4A is somewhat larger than the outer circumferential dimension (I × 4) of the insertion jig 20. ing.
[0021]
Therefore, the building wood W1 having the insertion jig 20 attached to the tip is inserted into the termite-controlling material 1A (arrow N). Then, the termite control material 1A is plastically deformed along the outer peripheral shape of the jig main body 21 of the insertion jig 20. As a result, the termite-controlling material 1A automatically assumes the shape of a rectangular tube as shown in FIG. 1, and covers the outer surface of the building wood W1 as it is. Therefore, mechanization of the work of inserting wood for construction can be achieved.
[0022]
In the above-described embodiment, the mesh-like mesh members 4 and 4A made of the filament are illustrated, but the present invention is not limited thereto. As shown in FIG. 9, the termite-controlling material 1a made of a mesh body 4a made of, for example, a stainless steel plate is also included in the present invention. The mesh body 4a is formed of a stainless steel plate 12 in a tubular shape, and the plate 12 is provided with a large number of square openings 5a of K × K dimensions. Also in this case, the vertical and horizontal dimensions K × K of the openings 5a are dimensions through which termites cannot pass.
[0023]
Further, the opening shape of the aperture is not limited to the square shape described above. As shown in FIG. 10, for example, an anti-termite material 1 b formed of a cylindrical mesh body 4 b in which a large number of circular openings 5 b having a diameter L are formed in a plate material 13 made of a stainless steel plate. The diameter L of the opening 5b is also a dimension through which termites cannot pass.
[0024]
On the other hand, the material is not particularly limited as long as it is a material that is resistant to termite secretions and a material that is excellent in weather resistance and hardly deteriorates. That is, for example, a synthetic resin such as polyethylene, polypropylene, nylon, and polycarbonate can be used in addition to the above-described stainless steel material.
[0025]
【The invention's effect】
As described in detail above, according to the termite-controlling material of the present invention, since the aperture of the mesh body is formed to a size that does not allow the termites to pass through, it is necessary for the termites to reach the wood through the aperture. Can be blocked. In addition, since it is made of a material having resistance to termite secretions, it is not devoured by termites. In particular, since the termite-proof material is formed in a tubular shape, the outer surface of the building wood can be easily covered only by inserting the building wood into the cylinder. Therefore, unlike the related art, there is no need to perform a complicated winding operation and a locking operation of the locking projection. Since the termite-controlling material is seamless over the entire circumference in the cylinder circumferential direction, there is no gap in the cylinder circumferential direction, and the invasion of termites can be reliably prevented.
[0026]
Further, since the insertion jig according to the present invention covers the end surface of the timber for building, it is possible to prevent the end surface of the timber for building from interfering with the cylindrical opening or opening of the termite-controlling material and hindering the insertion. . Therefore, the building timber can be smoothly and quickly inserted into the termite-controlling material.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a termite control material according to an embodiment of the present invention.
FIG. 2 is a plan view showing a part of the termite-controlling material and termites side by side.
FIG. 3 is an external view showing an embodiment in which wood for construction is inserted through the termite-controlling material.
FIG. 4 is a partial plan view showing an aspect in which another building wood is inserted through the termite-controlling material.
FIG. 5 is an explanatory view showing a mode in which two building woods to which the termite-controlling material is attached are joined by tenon from the side.
FIG. 6 is an explanatory diagram showing a side view of a house building structure in which wood for building to which the termite-controlling material is attached is tenoned.
FIGS. 7A and 7B show a jig for inserting a building timber into the termite-controlling material, wherein FIG. 7A is a side view and FIG. 7B is a rear view.
FIG. 8 is an explanatory view showing a mode in which building wood is inserted into the termite control material using the insertion jig.
FIG. 9 is a partial plan view showing a mesh body of a termite control material according to another embodiment of the present invention.
FIG. 10 is a partial plan view showing a mesh body of a termite control material according to another embodiment of the present invention.
[Explanation of symbols]
1, 1a, 1b, 1A Termite-control material 4, 4a, 4b, 4A Mesh body 5, 5a, 5b Aperture 20 Insertion jig 21 Jig body 22 Taper portion 23 Fitting recess D, E, F, I, J, K Dimension G Termite L, M Diameter N Arrow W1, W2, W3 Wood for construction

Claims (2)

白蟻の分泌物に対する耐性を有し、且つ、白蟻が通過不能な目開き寸法のメッシュ体で構成される防蟻材であって、前記メッシュ体が、建築用木材の外周寸法よりも大きな内周寸法で建築用木材を挿通可能な筒状に形成されていることを特徴とする防蟻材。A termite-resistant material having resistance to termite secretions and comprising a mesh body having an aperture size that does not allow termites to pass through, wherein the mesh body has an inner circumference larger than the outer circumference of building wood. An anti-termite material characterized in that it is formed in a cylindrical shape having dimensions and through which wood for construction can be inserted. 請求項1に記載の防蟻材に建築用木材を挿通するために用いられる挿通用治具であって、防蟻材内に挿通可能な外周寸法に形成された治具本体を備えて成り、治具本体の後面に、建築用木材の端面に着脱自在に嵌着される嵌合凹部が形成され、治具本体の前面に、前方に細くなるテーパ部が形成されていることを特徴とする挿通用治具。It is an insertion jig used for inserting building wood into the termite-proofing material according to claim 1, comprising a jig main body formed to have an outer peripheral dimension that can be inserted into the termite-proofing material, A fitting recess is formed on the rear surface of the jig body so as to be detachably fitted to an end surface of the timber for building, and a tapered portion that narrows forward is formed on a front surface of the jig body. Jig for insertion.
JP2003103611A 2003-04-08 2003-04-08 Termite-repelling material and jig for passing through Pending JP2004305103A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016106580A (en) * 2014-12-08 2016-06-20 ダイナガ株式会社 Anticorrosive sheet for wooden product and assembling method of wooden building using the same as well as amulet
US11291199B2 (en) * 2014-11-19 2022-04-05 Engineered Materials, Inc. Insect barrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11291199B2 (en) * 2014-11-19 2022-04-05 Engineered Materials, Inc. Insect barrier
JP2016106580A (en) * 2014-12-08 2016-06-20 ダイナガ株式会社 Anticorrosive sheet for wooden product and assembling method of wooden building using the same as well as amulet

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