JP2005325630A - Connecting metal fittings for building - Google Patents

Connecting metal fittings for building Download PDF

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Publication number
JP2005325630A
JP2005325630A JP2004146084A JP2004146084A JP2005325630A JP 2005325630 A JP2005325630 A JP 2005325630A JP 2004146084 A JP2004146084 A JP 2004146084A JP 2004146084 A JP2004146084 A JP 2004146084A JP 2005325630 A JP2005325630 A JP 2005325630A
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fitting
flange
metal
steel
metal fitting
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Masato Tsuchida
真人 土田
Satoshi Kitaoka
聡 北岡
Yasuo Ichinohe
康生 一戸
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Nippon Steel Corp
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Sumitomo Metal Industries Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide connecting metal fittings for a building capable of surely and firmly connecting a steel-made horizontal member installed as a beam or the like and a wooden member installed as a floor joist and a rafter or a sash bar or the like of a panel member thereon without using a connecting member such as a bolt or the like. <P>SOLUTION: The floor joist 2 installed on beams 1 and 1 is connected with the connecting metal fittings 3. The connecting metal fittings 3 consisting of a metal fitting body 4 longer than is wide in the shape of a rectangular plate and reinforced ribs 5 and 5 respectively projected to both edge end sections in the direction of a short side are approximately formed in a channel-shaped cross section. The reinforced ribs 5 and 5 are continued in the vertical direction of the metal fitting body 4, and they are projected at a right angle to the metal fitting body 4. Fitting slits 6 and 6 for fitting flanges 1a of the beams 1 in them and a plurality of nail holes 7 and 7 passing through nails 8 for stopping to the rafter 10 are respectively formed in both up and down end sides of the metal fitting body 4. Each fitting slit 6 crosses the rib 5 on one end side, and it is consecutively and horizontally formed in a predetermined length from one end side to the other end side in the direction of the short side of the metal fitting body 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、梁などとして設置された鋼製横架材と、根太や垂木、あるいはパネル材の桟木などとして設置された木製部材とを接合するための建築用接合金物に関し、鋼製住宅はもとより在来の木造住宅、ツーバイ工法による木造住宅などにおいて広く利用されるものである。   The present invention relates to a structural joint metal fitting for joining a steel horizontal member installed as a beam and a wooden member installed as a joist or rafter, or a pier of a panel material, as well as a steel house. It is widely used in traditional wooden houses and wooden houses using the two-by method.

木造の建物において、特に梁や桁などの横架材には強度上、きずやくるい等といった欠点の少ない良質の大断面材が用いられるが、樹木がこれらの建築用木材として利用できるまで充分に成長するには何世代にもわたって世話をする必要があり、また近年の森林資源保護の観点から梁などの横架材に適した大断面木材の取得は年々困難になってきている。   In wooden buildings, especially for horizontal members such as beams and girders, high-quality large cross-section materials with few defects such as scratches and walnuts are used for strength, but it is sufficient until trees can be used as construction wood. It is necessary to care for generations to grow into a large scale, and it has become difficult year by year to obtain large cross-section timber suitable for horizontal members such as beams from the viewpoint of protecting forest resources in recent years.

このため、鋼製住宅はもとより在来工法やツーバイ工法による木造住宅においても、広い部屋や大きな開口部を計画する場合、梁や桁などの横架材としてH形鋼や溝形鋼などの形鋼材が多く使用されるに至っている。
特開2003−113656号公報
For this reason, when planning large rooms and large openings, not only in steel houses but also in wooden houses using conventional and two-by methods, shapes such as H-shaped steel and groove-shaped steel are used as horizontal members such as beams and girders. Many steel materials have been used.
JP 2003-113656 A

これらの形鋼材は断面性能上非常に優れているが、その上に垂木や根太などとして木製部材を設置する場合、両部材が材質的に全く異なるために構造的にも施工的にもかなり複雑な接合仕様を強いられる。   These sections are very good in terms of cross-sectional performance, but when installing wooden members such as rafters and joists on them, both members are quite different in material, so they are quite complicated both in terms of structure and construction. Is required to have a proper joint specification.

特に、接合金物として釘、ねじなどの木構造固有の接合金物の他に、ボルトやビス、ピン等といった鋼構造独自の接合金物も多く用いられるため、金物の種類が大幅に増えて部品管理が煩雑になり、また接合方法も増えて施工が非常に面倒になる等の課題があった。   In particular, in addition to wood-specific joint hardware such as nails and screws as joint hardware, many steel structure-specific joint hardware such as bolts, screws, and pins are also used. There were problems such as complicated and increased joining methods, making the construction very troublesome.

本発明は、以上の課題を解決するためになされたもので、鋼製横架材と木製部材とを容易かつ確実に接合できる建築用接合金物を提供することを目的とするものである。   The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a construction metal fitting that can easily and reliably join a steel horizontal member and a wooden member.

請求項1記載の建築用接合金物は、鋼製横架材のフランジと木製部材とを接合するための建築用接合金物であって、前記鋼製横架材のフランジが嵌合される嵌合スリットと、前記木製部材に止め付けるための複数の穴と、前記嵌合スリットの長軸方向と直交する補強リブとをそれぞれ有して形成されてなることを特徴とするものである。   The construction metal fitting according to claim 1 is a construction metal fitting for joining a flange of a steel horizontal member and a wooden member, wherein the flange of the steel horizontal member is fitted. The slits are formed to have a plurality of holes for fastening to the wooden member, and reinforcing ribs orthogonal to the major axis direction of the fitting slit.

本発明は、特に鋼製横架材側には、鋼製横架材のフランジを嵌合スリットに嵌合して固定することで、ボルトやピン等といった鋼構造固有の接合部材を用いずに簡単に固定できるようにして、ボルト等いった鋼構造独自の接合部材の低減化、接合部の単純化、さらには施工の効率化等を可能にしたものである。   In the present invention, particularly on the steel horizontal member side, the flange of the steel horizontal member is fitted into the fitting slit and fixed, so that a steel structure-specific joining member such as a bolt or a pin is not used. It can be easily fixed to reduce the number of joint members unique to the steel structure such as bolts, simplify the joint, and improve the construction efficiency.

なお、この場合の嵌合スリットとして、幅の異なるスリットを複数列形成しておけば、フランジの板厚が異なる横架材にも容易に対応することができる。また、必要に応じて接合金物の板厚を増すことで必要な強度を得ることができる。対応可能な鋼製横架材としては、H形鋼、溝形鋼等フランジを有する形鋼を単独あるいは2本の溝形鋼を背中合わせに抱き合わせたものなどにも用いることができる。   In addition, if a plurality of slits having different widths are formed as fitting slits in this case, it is possible to easily cope with horizontal members having different flange plate thicknesses. Moreover, required intensity | strength can be acquired by increasing the plate | board thickness of a joining metal fitting as needed. As a steel support material that can be used, it is also possible to use a shape steel having a flange, such as an H-shaped steel or a grooved steel, alone or a combination of two grooved steels back to back.

嵌合スリットの幅は、固定する鋼製横架材のフランジの厚みよりも小さければ小さいほど確実に固定されるが、小さくなるにつれて嵌合が困難となる。本発明においては、接合金物の端部に補強リブを設けているので、この補強リブをハンマー等で叩くことにより鋼製横架材のフランジの厚みよりも小さな幅の嵌合スリットの接合金物であっても、確実に固定することができる。   As the width of the fitting slit is smaller than the thickness of the flange of the steel horizontal member to be fixed, the fitting slit is surely fixed. However, the fitting becomes difficult as the width becomes smaller. In the present invention, since the reinforcing rib is provided at the end of the metal joint, the metal fitting of the fitting slit having a width smaller than the thickness of the flange of the steel horizontal member is obtained by hitting the reinforcing rib with a hammer or the like. Even if it exists, it can fix reliably.

本発明の接合金物に形成される複数の穴に、釘やねじなどのように通常木製部材に使用される接合材料を用いて接合金物と木製部材とを止め付けることができる。   The joining hardware and the wooden member can be fastened to the plurality of holes formed in the joining hardware of the present invention using a joining material usually used for the wooden member such as a nail or a screw.

請求項2記載の建築用接合金物は、請求項1記載の建築用接合金物において、嵌合スリットの先端部と開口端部との間に狭小部が設けられてなることを特徴とするものである。   The building joint according to claim 2 is characterized in that, in the building joint according to claim 1, a narrow portion is provided between the tip end portion and the opening end portion of the fitting slit. is there.

本発明は、特に嵌合スリットに鋼製横架材のフランジを嵌合した際、嵌合スリットの狭小部がスプリングの機能を有することで、鋼製横架材のフランジを嵌合スリットに嵌合するだけで接合金物を鋼製横架材にボルト等を用いなくとも強固に固着することができ、したがって接合部に作用する上下方向および水平方向に作用するいずれの方向の応力にも抵抗可能なため、木製部材側から横架材側に応力を確実に伝達させることができるものである。嵌合スリットの幅が、その全長に渡って鋼製横架材のフランジの厚みよりも小さくても構わないが、その場合は嵌合に手間がかかるので、嵌合スリットの全長ではなく、一部に狭小部が設けられているのが好ましい。   In particular, when the flange of the steel horizontal member is fitted to the fitting slit, the narrow portion of the fitting slit has a spring function so that the flange of the steel horizontal member is fitted to the fitting slit. By simply joining, the joint hardware can be firmly fixed to the steel horizontal member without using bolts, etc., so it can resist stress in both the vertical and horizontal directions acting on the joint. Therefore, stress can be reliably transmitted from the wooden member side to the horizontal member side. The width of the fitting slit may be smaller than the thickness of the flange of the steel horizontal member over its entire length, but in this case, it takes time to fit, so it is not the full length of the fitting slit. It is preferable that the narrow part is provided in the part.

なお、請求項1および2記載のいずれの発明においても、嵌合スリットの先端部に円形状の穴部を設けておけば、嵌合スリットに横架材のフランジを嵌合する際、接合金物をハンマー等で強く叩いたとしても、嵌合スリットの先端部分に応力集中による亀裂等が発生するようなこともなく、接合金物を横架材に確実に固着することができる。   In any of the first and second aspects of the present invention, if a circular hole is provided at the tip of the fitting slit, when fitting the flange of the horizontal member to the fitting slit, the joint hardware Even if the hammer is struck with a hammer or the like, the joint metal can be securely fixed to the horizontal member without causing cracks due to stress concentration at the tip of the fitting slit.

また、嵌合スリットの開口端部分に嵌合口を設けておけば、嵌合スリットの位置合わせと位置決めがしやすく、作業性が向上する。なお、この場合の嵌合口は嵌合スリットより幅広く、かつ開口端側に徐々に広くなるように形成されているのがよい。   Further, if a fitting port is provided in the opening end portion of the fitting slit, the fitting slit can be easily positioned and positioned, and workability is improved. In this case, the fitting port is preferably formed so as to be wider than the fitting slit and gradually widen toward the opening end side.

請求項1記載の発明は、鋼製横架材のフランジと木製部材とを接合するための建築用接合金物であって、前記鋼製横架材のフランジが嵌合される嵌合スリットと、前記木製部材に止め付けるための複数の穴と、前記嵌合スリットの長軸方向と直交する補強リブとを有することで、特に鋼製横架材側には嵌合スリットに鋼製横架材のフランジを嵌合するだけで固着することができるため、本発明の建築用接合金物を用いることにより鋼製横架材と木製部材とを確実かつ強固に接合するこができる等の効果を有する。   The invention according to claim 1 is an architectural joint for joining a flange of a steel horizontal member and a wooden member, and a fitting slit into which the flange of the steel horizontal member is fitted, By having a plurality of holes for fastening to the wooden member and reinforcing ribs orthogonal to the long axis direction of the fitting slit, the steel horizontal member is fitted to the fitting slit particularly on the steel horizontal member side. Since it can be fixed simply by fitting the flanges, it is possible to securely and firmly join the steel horizontal member and the wooden member by using the metal fitting for building of the present invention. .

請求項2記載の発明は、請求項1記載の建築用接合金物において、嵌合スリットの先端部と開口端部との間に狭小部が設けられているため、この狭小部がスプリングの機能を有し、このため嵌合スリットに鋼製横架材のフランジを嵌合するだけで接合金物を鋼製横架材に確実強固に固着することができ、木製部材側から鋼製横架材側に応力を確実に伝達させることができる等の効果を有する。   Since the narrow part is provided between the front-end | tip part and opening edge part of the fitting slit in the construction metal fitting of Claim 1, this invention of Claim 2 has the function of a spring. Therefore, simply by fitting the flange of the steel horizontal member to the fitting slit, the joint hardware can be securely and firmly fixed to the steel horizontal member, from the wooden member side to the steel horizontal member side. The effect is that stress can be reliably transmitted to the.

図1〜図3は、梁として設置された鋼製横架材とその上に根太として架け渡された木製材との接合部を示し、梁1にはH形鋼、根太2には木製の角材がそれぞれ用いられ、両部材は4枚の建築用接合金物(以下「接合金物」という)3によって接合されている。   1 to 3 show a joint between a steel horizontal member installed as a beam and a wooden member spanned as a joist on the beam, H beam is used for beam 1, and wooden member is used for joist 2. Square members are used, and both members are joined together by four pieces of construction joint metal (hereinafter referred to as “joint hardware”) 3.

接合金物3は、縦長の長方形板状をなす金物本体4とその短辺方向の両縁端部にそれぞれ設けられた補強リブ5,5とから断面ほぼ溝形状に形成されている。補強リブ5,5は金物本体4の上下方向に連続し、かつ金物本体4に対して直角に設けられ、また金物本体4の上下両端側に嵌合スリット6,6と複数の釘穴7,7がそれぞれ形成されている。   The metal joint 3 is formed in a substantially groove shape in cross section from a metal main body 4 having a vertically long rectangular plate shape and reinforcing ribs 5 and 5 provided at both end portions in the short side direction. The reinforcing ribs 5, 5 are continuous in the vertical direction of the hardware body 4 and are provided at right angles to the hardware body 4, and the fitting slits 6, 6 and a plurality of nail holes 7, 7 are formed.

嵌合スリット6は、一端側のリブ5を横断し、かつ金物本体4の短辺方向(幅方向)の一端側から他端側にかけて所定長さ水平に連続して形成され、その先端部に円形状の穴6aが、嵌合スリット6の開口端部に嵌合スリット6の開口幅より大きい開口幅の嵌合口6bがそれぞれ嵌合スリット6に連続して形成されている。   The fitting slit 6 is formed horizontally across a predetermined length horizontally from one end side to the other end side in the short side direction (width direction) of the hardware main body 4 and crosses the rib 5 on one end side. A circular hole 6 a is formed in the opening end of the fitting slit 6, and a fitting port 6 b having an opening width larger than the opening width of the fitting slit 6 is formed continuously to the fitting slit 6.

また、嵌合スリット6の開口端側の嵌合口6bより内側と先端側の穴部6aより外側に、梁1のフランジ1aの板厚より幅小な狭小部6c,6cが所定の長さに形成されており、したがって嵌合スリット6の先端側部分と開口端側部分の二ヶ所は、梁1のフランジ1aの板厚より狭小に形成され、この狭小部6c,6cの間が梁1のフランジ1aの板厚より幅広く形成されている。釘穴7は嵌合スリット6の上下両側にそれぞれ形成されている。   In addition, narrow portions 6c and 6c smaller than the plate thickness of the flange 1a of the beam 1 have a predetermined length inside the fitting opening 6b on the opening end side of the fitting slit 6 and outside the hole 6a on the tip side. Therefore, the two portions of the front end side portion and the open end side portion of the fitting slit 6 are formed narrower than the plate thickness of the flange 1a of the beam 1, and the space between the narrow portions 6c and 6c is between the narrow portions 6c and 6c. It is formed wider than the plate thickness of the flange 1a. The nail holes 7 are respectively formed on the upper and lower sides of the fitting slit 6.

このように形成された接合金物3は、根太2の両側にそれぞれ2枚ずつ設置され、その下端側は梁1のフランジ1aの縁端部を嵌合スリット6に嵌合することにより梁1のフランジ1aに固定され、また上端側は釘穴7から根太2の側部に釘8を打ち付けることにより根太2に固定され、こうして鋼製の梁1と木製の根太2が4枚の接合金物3を介して一体的に接合されている。   Two metal joints 3 formed in this way are installed on both sides of the joist 2, and the lower end side of the beam 1 is formed by fitting the edge of the flange 1 a of the beam 1 into the fitting slit 6. The upper end side is fixed to the joist 2 by hitting a nail 8 from the nail hole 7 to the side of the joist 2 so that the steel beam 1 and the wooden joist 2 are joined to the four metal fittings 3. Are joined together.

接合金物3は、金物本体4の縁端部に突設された補強リブ5をハンマー等で叩くことにより、嵌合スリット6に梁1のフランジ1aの縁端部を確実に嵌合することができる。   The metal joint 3 can reliably fit the edge of the flange 1a of the beam 1 to the fitting slit 6 by hitting the reinforcing rib 5 protruding from the edge of the metal main body 4 with a hammer or the like. it can.

また、嵌合スリット6の2ケ所に形成された狭小部6c,6cが梁1のフランジ1aの板厚より狭く形成され、かつこの狭小部6c,6c間が梁1のフランジ1aの板厚より幅広く形成されていることで、嵌合部6を梁1のフランジ1aに嵌合した際、狭小部6c,6cがスプリングの機能を有するため、嵌合スリット6に梁1のフランジ1aを嵌合するだけで接合金物3を梁1に確実強固に固着することができる。   Further, the narrow portions 6c and 6c formed at the two positions of the fitting slit 6 are formed to be narrower than the plate thickness of the flange 1a of the beam 1, and the gap between the narrow portions 6c and 6c is determined from the plate thickness of the flange 1a of the beam 1. Since the narrow portion 6c, 6c has a spring function when the fitting portion 6 is fitted to the flange 1a of the beam 1 by being formed widely, the flange 1a of the beam 1 is fitted to the fitting slit 6 By simply doing so, the metal joint 3 can be securely and firmly fixed to the beam 1.

また、嵌合スリット6の先端部に円形状の穴部6aが形成されていることで、嵌合スリット6を梁1のフランジ1aに叩いて嵌合したとしても、嵌合スリット6の先端部分に応力集中による亀裂が発生するようなこともない。   In addition, since the circular hole 6a is formed at the tip of the fitting slit 6, even if the fitting slit 6 is struck to the flange 1a of the beam 1 and fitted, the tip of the fitting slit 6 There is no occurrence of cracks due to stress concentration.

さらに、嵌合スリット6の開口端部分にフランジ1aの板厚より幅広な嵌合口6bが設けられていることで、嵌合スリット6の位置合わせと位置決めがしやすく、作業性も非常によい。   Furthermore, since the fitting opening 6b wider than the thickness of the flange 1a is provided at the opening end portion of the fitting slit 6, the fitting slit 6 can be easily aligned and positioned, and the workability is very good.

なお、実施例においては、特に嵌合スリット6の形状と寸法は、梁1の片フランジの横幅w(フランジ1aの横幅wの1/2)とフランジ1aの板厚tに関連して設定されており、具体的には嵌合スリット6の長さLは片フランジの横幅wの1/2(フランジ1aの横幅wの1/4)以上、片フランジの横幅w−5mm(フランジ1aの横幅wの1/2)以下に設定されている。 In the embodiment, the shape and size of the fitting slit 6 are particularly related to the width w 2 of the single flange of the beam 1 (1/2 of the width w 1 of the flange 1a) and the plate thickness t of the flange 1a. are set, 1/2 of the width w 2 length L of the strip flanges of the fitting slit 6 in particular (1/4 of the width w 1 of the flange 1a) above, the width w 2 -5 mm piece flange (1/2 of the width w 1 of the flange 1a) is set below.

また、嵌合スリット6の嵌合口6bの開口幅wは、フランジ1aの板厚t+0.3mm(上下各0.15mm)、狭小部6cの幅はフランジ1aの板厚t−0.5mmに設定されている。 Further, abutment 6b opening width w 3 of the fitting of the fitting slit 6, the plate thickness t + 0.3 mm (upper and lower 0.15 mm) of the flange 1a, the width of the narrow portion 6c in thickness t-0.5 mm of the flange 1a It is set.

図4は、母屋として設置された鋼製横架材とその上に垂木として架け渡された木製材との接合部を示し、母屋9にはH形鋼、垂木10には角材がそれぞれ用いられ、両部材は4枚の接合金物3によって接合されている。   FIG. 4 shows a joint between a steel horizontal member installed as a purlin and a wooden member spanned as a rafter, and H-shaped steel is used for the purlin 9 and square members are used for the rafter 10. Both members are joined by four joining hardware 3.

なお、実施例としていずれも4枚の接合金物を使用した例を示したが、これに限らず、枚数を減らして取り付けることもできる。例えば、接合部の強度に応じて根太や母屋、垂木等の木製部材の片側のみに接合金物3を取り付けたり、2枚の接合金物3を対角的に取り付けても良い。また、接合金物3の板厚を厚くして強度を増すことにより1枚の接合金物3で取り付けることも可能である。   In addition, although the example which used four joining metal fittings was shown as an Example, not only this but it can also reduce and attach the number of sheets. For example, the joining hardware 3 may be attached to only one side of a wooden member such as a joist, purlin, rafter, etc., or two joining hardware 3 may be attached diagonally according to the strength of the joint. Moreover, it is also possible to attach the single metal fitting 3 by increasing the thickness of the metal fitting 3 to increase the strength.

本発明は、梁などとして設置された鋼製横架材とその上に根太や垂木、あるいはパネル材の桟木などとして設置された木製部材をきわめて容易にかつ強固に接合することができる。   According to the present invention, a steel horizontal member installed as a beam and a wooden member installed thereon as a joist or rafter, or a pedestal of a panel material can be joined very easily and firmly.

梁と根太との接合部を示し、(a)はその平面図、(b)は縦断面図である。The joint part of a beam and joist is shown, (a) is the top view, (b) is a longitudinal cross-sectional view. 建築用接合金物を示す斜視図である。It is a perspective view which shows the joining metal fitting for construction. 建築用接合金物の使用状態を示し、(a)はその平面図、(b)は嵌合スリット部分の拡大図である。The use state of a joint metal fitting for construction is shown, (a) is the top view, and (b) is an enlarged view of a fitting slit part. 母屋と垂木との接合部を示し、(a)はその平面図、(b)は縦断面図である。The junction part of a purlin and a rafter is shown, (a) is the top view, (b) is a longitudinal cross-sectional view.

符号の説明Explanation of symbols

1 梁(鋼製横架材)
2 根太(木製材)
3 接合金物(建築用接合金物)
4 金物本体
5 補強リブ
6 嵌合スリット
6a 穴部
6b 嵌合口
6c 狭小部
7 釘穴
8 釘
9 母屋
10 垂木
1 Beam (Steel horizontal member)
2 joist (wooden material)
3 Joint hardware (joint hardware for construction)
4 Hardware body 5 Reinforcement rib 6 Fitting slit 6a Hole portion 6b Fitting port 6c Narrow portion 7 Nail hole 8 Nail 9 Purlin 10 Rafter

Claims (2)

鋼製横架材のフランジと木製部材とを接合するための建築用接合金物であって、前記鋼製横架材のフランジが嵌合される嵌合スリットと、前記木製部材に止め付けるための複数の穴と、前記嵌合スリットの長軸方向と直交する補強リブとを有することを特徴とする建築用接合金物。   A metal fitting for construction for joining a flange of a steel horizontal member and a wooden member, and a fitting slit into which the flange of the steel horizontal member is fitted, and for fastening to the wooden member An architectural joint metal comprising a plurality of holes and reinforcing ribs orthogonal to the major axis direction of the fitting slit. 嵌合スリットの先端部と開口端部との間に狭小部が設けられてなることを特徴とする請求項1記載の建築用接合金物。   2. A building joint according to claim 1, wherein a narrow portion is provided between the tip end portion and the opening end portion of the fitting slit.
JP2004146084A 2004-05-17 2004-05-17 Connecting metal fittings for building Pending JP2005325630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004146084A JP2005325630A (en) 2004-05-17 2004-05-17 Connecting metal fittings for building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004146084A JP2005325630A (en) 2004-05-17 2004-05-17 Connecting metal fittings for building

Publications (1)

Publication Number Publication Date
JP2005325630A true JP2005325630A (en) 2005-11-24

Family

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Family Applications (1)

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Country Status (1)

Country Link
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