JP2024048264A - Net material fixture and fence body using the same - Google Patents

Net material fixture and fence body using the same Download PDF

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JP2024048264A
JP2024048264A JP2022154201A JP2022154201A JP2024048264A JP 2024048264 A JP2024048264 A JP 2024048264A JP 2022154201 A JP2022154201 A JP 2022154201A JP 2022154201 A JP2022154201 A JP 2022154201A JP 2024048264 A JP2024048264 A JP 2024048264A
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net material
mounting base
fastening member
mounting
hole
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竜也 赤木
Tatsuya Akagi
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Sekisui Jushi Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a net material fixture with excellent workability, with which work to mount a net material to a frame material can be easily and safely performed, and to provide a fence body using the fixture.
SOLUTION: A fixture 5 is equipped with a fitting base plate 6 attached to a frame material 3, a net material locking member 7 separate from the fitting base plate 6, and a fastening member 8 for combining them. An assembly hole 61 and a fastening member insertion hole 62 are formed on the fitting base plate 6. The net material locking member 7 has: an insertion piece 71 capable of being inserted into the assembly hole 61 of the fitting base plate 6; a net material receiving part 73 bent forward and continuous from one end edge thereof; and a locking claw piece 74 bent and extending from the front end edge in an opposite direction to the insertion piece 71, a fastening member attachment hole 72 is formed on the insertion piece 71. In a state where the insertion piece 71 is inserted into the assembly hole 61 of the fitting base plate 6 from the front side and stacked on the back side of the fitting base plate 6, the fitting base plate 6 and the insertion piece 71 are combined via the fastening member 8, and a tension wire 41 of a net material 4 is locked to the net material locking member 7 from the front side.
SELECTED DRAWING: Figure 6
COPYRIGHT: (C)2024,JPO&INPIT

Description

本願が開示する発明は、道路外への飛び出しや敷地内への侵入を防ぐために、その道路や敷地を囲うように設置される柵体に関し、より詳細には、柵体の枠材に網材を固定するための取付具と、その取付具を用いた柵体に関する。 The invention disclosed in this application relates to a fence that is installed to surround a road or a site to prevent reptiles from running off the road or entering the site, and more specifically, to a mounting fixture for fixing a mesh material to the frame material of the fence, and a fence using the mounting fixture.

高速道路等の路側部には、車両や積荷が道路外へ飛び出すのを防ぐための柵体（防護柵）が設置される。また、施設の敷地や公園等、特定の領域への立ち入りを防ぐために、その領域を囲むようにして柵体が設置されることもある。この種の柵体の多くは、適宜間隔で立設される柱体と、柱体によって支えられる上下左右の枠材と、枠材によって囲まれた枠内に取り付けられる網材と、を含んで構成される。 Fences (protective fences) are installed on the sides of roads such as expressways to prevent vehicles and cargo from going off the road. Fences may also be installed to surround specific areas, such as facility grounds or parks, to prevent entry to those areas. Most of these types of fences are made up of pillars erected at appropriate intervals, frame materials on the top, bottom, left and right sides supported by the pillars, and mesh material attached within the frame enclosed by the frame materials.

特許文献１には、胴縁（本願が開示する発明における枠材に相当）に金網（同、網材に相当）を取り付けて構成されるフェンス（同、柵体に相当）に関して、金網の上下方向の縁端部に挿通された形状保持のための横骨線（同、張線に相当）を、胴縁の垂直板に切り起こした係止爪片に係合させる金網の係止構造が開示されている。 Patent Document 1 discloses a locking structure for a wire mesh (corresponding to a mesh material in the case of a fence (corresponding to a fence body in the case of a fence) that is constructed by attaching a wire mesh (corresponding to a mesh material in the case of a fence) to a furring strip (corresponding to a frame material in the case of the invention disclosed in this application), in which horizontal rib wires (corresponding to tension wires in the case of a fence) that are inserted into the upper and lower edge ends of the wire mesh to maintain its shape are engaged with locking claw pieces cut into the vertical plates of the furring strip.

しかし、特許文献１に開示された金網の係止構造では、金網に過大な荷重が作用したときに、横骨線が係止爪片から外れて、金網が胴縁から脱落してしまうおそれがある。しかし、係止爪片の代わりにボルト・ナット等の固定金具を用いて金網の縁端部を胴縁に固定しようとすると、作業者は金網の縁端分を胴縁等に沿わせて押さえながら、固定金具を胴縁等に締結する必要があるので、作業性が悪い。 However, with the wire mesh locking structure disclosed in Patent Document 1, when an excessive load is applied to the wire mesh, the horizontal bone wires may come off the locking claws, causing the wire mesh to fall off the furring strip. However, if an attempt is made to fix the edge of the wire mesh to the furring strip using fastening hardware such as bolts and nuts instead of the locking claws, the worker must fasten the fastening hardware to the furring strip while holding the edge of the wire mesh along the furring strip, etc., which makes the work less efficient.

そこで、特許文献２には、網材が枠体（本願が開示する発明における枠材に相当）から脱落するおそれを低減し、かつ、網材を取り付る際の作業性も改善しようとした防護柵（同、柵体に相当）の構成が提案されている。その構成は、網材を保持する枠体に取り付けた係合部材に、網材の縁端部に係合する係合爪を形成するとともに、網材を挟んで係合部材と相対する側に、網材の縁端部が係合爪から離脱するのを防ぐ離脱防止部材を配置して、係合部材と離脱防止部材との間に網材を挟んだ状態で離脱防止部材を係合部材にボルト締結する、というものである。 Patent Document 2 proposes a configuration for a protective fence (corresponding to a fence) that reduces the risk of the net material falling off the frame (corresponding to the frame material in the invention disclosed in this application) and also improves the ease of installation. The configuration involves forming an engagement claw on an engagement member attached to a frame that holds the net material to engage with the edge of the net material, and disposing a separation prevention member on the side opposite the engagement member across the net material to prevent the edge of the net material from disengaging from the engagement claw, and bolting the separation prevention member to the engagement member with the net material sandwiched between the engagement member and the separation prevention member.

実全昭６３－１８４８６４号公報Publication No. 63-184864 特開２０１６－１２５３００号公報JP 2016-125300 A

特許文献２に開示された発明では、防護柵の上側に位置する枠体に取り付けた全ての係合部材の係合爪に金網の縁端部を係止してから、各係合部材に離脱防止部材を当てがい、その状態で係合部材及び離脱防止部材にボルトを挿通してナットと締結する必要がある。このとき、一方の手は離脱防止部材及びナットを保持し、他方の手はボルトを保持して回さなければならないので、同時に金網を押えておくのは難しい。したがって、特許文献２に開示された発明も、実質的には特許文献１に開示された発明と同様に、係合部材と離脱防止部材とをボルト締結するまでの間に金網が係合部材の係合爪から脱落してしまうおそれがある。防護柵の両側及び下側に位置する枠体についても、係合部材に金網の縁端部を仮止めしながら離脱防止部材を取り付ける作業が容易でないことは同様である。 In the invention disclosed in Patent Document 2, the edge of the wire mesh must be engaged with the engagement claws of all the engagement members attached to the frame located on the upper side of the protective fence, and then the anti-detachment member must be placed on each engagement member, and in that state, a bolt must be inserted through the engagement members and the anti-detachment member and fastened with a nut. At this time, one hand must hold the anti-detachment member and the nut, while the other hand must hold and turn the bolt, making it difficult to hold down the wire mesh at the same time. Therefore, the invention disclosed in Patent Document 2 is essentially the same as the invention disclosed in Patent Document 1, in that there is a risk that the wire mesh will fall off the engagement claws of the engagement members before the engagement members and the anti-detachment member are fastened with the bolts. The same is true for the frames located on both sides and below the protective fence, in that it is not easy to attach the anti-detachment members while temporarily fastening the edge of the wire mesh to the engagement members.

さらに、特許文献２に開示された発明では、係合部材及び離脱防止部材に挿通したボルトにナットを螺合させる作業を、金網の背面側から行わなければならないので、作業態勢が不自由になる。高速道路の高架上では道路側からしか作業できないことも多いため、道路の外側（高架下）にナットを落下させてしまうような事故を起こす危険性を孕んでいる。 Furthermore, in the invention disclosed in Patent Document 2, the work of screwing nuts onto bolts inserted through the engaging members and the separation prevention members must be done from the rear side of the wire mesh, making the work position difficult. Since work on expressway overpasses can often only be done from the road side, there is a risk of an accident in which the nuts are dropped to the outside of the road (under the overpass).

本願が開示する発明は、前述のような網材の取付作業における作業性を改善すべく着想されたものであり、網材の取付作業を従来よりも容易に、かつ安全に行うことのできる、使い勝手のよい網材の取付具と、その取付具を用いた柵体を提供することを目的とする。 The invention disclosed in this application was conceived to improve the ease of use in installing the mesh material described above, and aims to provide an easy-to-use mesh material installation tool that makes installing the mesh material easier and safer than ever before, and a fence body using this installation tool.

本願が開示する発明に係る網材の取付具は、適宜の柱体によって支持される複数本の枠材と、前記枠材によって囲まれた枠内に張設される網材と、を含んで構成される柵体において、前記網材の縁端部を前記枠材に取り付けるための取付具であって、前記枠材の枠内側に添設されて前記網材と平行に配置される平板状の取付基板と、前記取付基板とは別体に形成されて前記取付基板に組み付けられる網材係止部材と、前記取付基板と前記網材係止部材とを重ねて結合する締結部材と、を具備し、前記取付基板には、前記枠材と平行な長軸を有して前記枠材寄りに配置される組付孔と、前記組付孔から枠内側に離隔して配置される締結部材挿通孔と、が形成され、前記網材係止部材は、前記取付基板の前記組付孔に挿入可能な挿込片と、前記挿込片の一端縁から前方に屈折して連続する網材受部と、前記網材受部の前端縁から前記挿込片と反対向きに屈折して延びる係止爪片と、を有して、前記挿込片に締結部材取付孔が形成され、前記網材係止部材の前記挿込片が前記取付基板の前記組付孔に正面側から挿入されて前記取付基板の背面側に重ねられ、前記係止爪片がその先端を前記枠材側に向けて前記取付基板の正面側に保持された状態で、前記取付基板と前記挿込片とが前記締結部材挿通孔及び前記締結部材取付孔に挿着された締結部材を介して結合される、との基本的構成を採用する。 The net material mounting fixture of the invention disclosed in this application is a mounting fixture for mounting the edge of the net material to the frame material in a fence structure comprising a plurality of frame materials supported by suitable pillars and a net material stretched within a frame surrounded by the frame materials, and is provided with a flat mounting base plate attached to the inside of the frame material and arranged parallel to the net material, a net material locking member formed separately from the mounting base plate and assembled to the mounting base plate, and a fastening member for overlapping and joining the mounting base plate and the net material locking member, the mounting base plate having an assembly hole with a long axis parallel to the frame material and arranged close to the frame material, and a fastening member insertion hole arranged away from the assembly hole to the inside of the frame, , and the net material locking member has an insert piece that can be inserted into the mounting hole of the mounting base, a net material receiving portion that is bent forward from one end edge of the insert piece and continues, and a locking claw piece that is bent from the front end edge of the net material receiving portion in the opposite direction to the insert piece, and a fastening member mounting hole is formed in the insert piece, the insert piece of the net material locking member is inserted from the front side into the mounting hole of the mounting base and overlaps with the back side of the mounting base, and the locking claw piece is held on the front side of the mounting base with its tip facing the frame material, and the mounting base and the insert piece are joined via the fastening member inserted into the fastening member insertion hole and the fastening member mounting hole.

このように構成された網材の取付具によれば、係止爪片を有する網材係止部材が取付基板とは別体に形成されており、その挿込片を取付基板に形成された組付孔に挿入することで、係止爪片に網材の張線を容易に係止させることができる。取付基板に網材係止部材と締結部材とを組み付けて、締結部材を仮締め状態にした状態でも網材を係止することができるので、網材の張線を複数個の取付具に係止させてから、それらの締結部材をまとめて本締めする、という手順での作業も可能になる。 With the net material mounting fixture configured in this way, the net material locking member having the locking claws is formed separately from the mounting base, and the insertion piece is inserted into an assembly hole formed in the mounting base, so that the net material tension wire can be easily locked to the locking claws. The net material can be locked even when the net material locking member and fastening member are assembled to the mounting base and the fastening member is in a provisionally fastened state, so that the net material tension wire can be locked to multiple mounting fixtures and then the fastening members can be fully fastened together.

さらに、本願が開示する発明に係る網材の取付具は、前記網材係止部材の前記網材受部が前記組付孔の長軸寸法よりも幅広に形成されるとともに、前記取付基板に形成される締結部材挿通孔が前記組付孔の長軸と直交する方向に延びる長孔として形成され、前記網材係止部材の挿込片が前記取付基板の前記組付孔に正面側から挿入されて、前記網材受部を前記組付孔に当接させた状態で、前記網材係止部材が前記取付基板に対し前記組付孔との当接箇所を支点として前後方向に揺動し得るように保持される、との付加的構成を採用する。この構成によれば、締結部材を取付基板及び網材係止部材に挿着して緩く仮締めした状態でも、網材係止部材が一定の範囲で揺動可能になるので、網材の係止作業が一層、容易になる。 Furthermore, the net material mounting fixture according to the invention disclosed in this application employs an additional configuration in which the net material receiving portion of the net material fastening member is formed wider than the long axis dimension of the assembly hole, the fastening member insertion hole formed in the mounting base is formed as an elongated hole extending in a direction perpendicular to the long axis of the assembly hole, and the insertion piece of the net material fastening member is inserted into the mounting base assembly hole from the front side, and the net material fastening member is held so that it can swing back and forth with the abutment point with the assembly hole relative to the mounting base as a fulcrum when the fastening member is inserted into the mounting base and loosely fastened temporarily, so that the net material fastening member can swing within a certain range, making the operation of fastening the net material even easier.

前述の構成において、前記締結部材はボルト・ナットであり、前記網材係止部材の前記挿込片に形成される締結部材取付孔はボルト挿通孔であり、前記取付基板と前記挿込片とが前記ボルト・ナットによって結合される、ものとすることができる。この構成によれば、ボルトを挿着する向きを施工現場の状況に応じて選択することができる。 In the above-mentioned configuration, the fastening member is a bolt and nut, the fastening member mounting hole formed in the insert piece of the mesh material retaining member is a bolt insertion hole, and the mounting base and the insert piece are connected by the bolt and nut. With this configuration, the direction in which the bolt is inserted can be selected according to the conditions at the construction site.

あるいは前記締結部材がボルトであり、前記網材係止部材の前記挿込片に形成される締結部材取付孔が雌ねじ孔であり、前記ボルトが前記取付基板の正面側から前記雌ねじ孔に締結される、ものとすることもできる。この構成によれば、網材の正面側からの作業だけで網材を係止して締結部材を本締めすることができるので、作業性がさらに向上し、網材の背後にナット等を落下させる事故も無くすことができる。 Alternatively, the fastening member may be a bolt, the fastening member mounting hole formed in the insertion piece of the mesh material retaining member may be a female threaded hole, and the bolt may be fastened to the female threaded hole from the front side of the mounting base. With this configuration, the mesh material can be retained and the fastening member can be fully tightened simply by working from the front side of the mesh material, further improving workability and eliminating accidents such as dropping nuts behind the mesh material.

また、本願が開示する発明に係る柵体は、前述のように構成された網材の取付具の前記取付基板が、網材の縁端部を保持する前記枠材の枠内側に添設されるとともに、前記取付基板に前記網材係止部材と前記締結部材とが組み付けられ、前記網材の縁端部に配置された形状保持用の張線が、前記取付基板の正面側から前記網材係止部材の前記係止爪片に係止されて前記網材受部に保持された状態で、前記取付基板と前記網材係止部材とが前記締結部材を介して結合される、ものとして特徴付けられる。 The fence body according to the invention disclosed in this application is characterized in that the mounting base of the net material mounting fixture configured as described above is attached to the inside of the frame of the frame material that holds the edge of the net material, the net material locking member and the fastening member are assembled to the mounting base, and the shape-retaining tension wire arranged on the edge of the net material is locked to the locking claws of the net material locking member from the front side of the mounting base and held in the net material receiving portion, with the mounting base and the net material locking member being connected via the fastening member.

前述のように構成される網材の取付具は、係止爪片を有する網材係止部材が取付基板とは別体に形成されているので、網材係止部材の挿込片を取付基板の組付孔に挿入して締結部材を緩く仮締めした状態で、網材の張線を網材係止部材の係止爪片に容易に係止させることができる。これにより手作業の自由度が上がるので、網材の張線を複数個の取付具に対して迅速に係止させることが可能になり、しかも、その作業中に網材が取付具から脱落しにくくなる。また、網材係止部材と締結部材を予め取付基板に組み付けておけるので、現場での作業中に網材係止部材や締結部材を誤って落下させる危険もなくなる。そして、網材の張線を複数個の取付具に係止させた後、各取付具の締結部材をまとめて本締めすることにより、網材を枠材にしっかりと保持させることができる。かくして、枠材に添設された取付具に網材を取り付ける作業の作業性が大幅に改善される。 In the net material mounting fixture constructed as described above, the net material locking member having the locking claws is formed separately from the mounting base, so that the insertion piece of the net material locking member can be inserted into the mounting hole of the mounting base and the fastening member can be loosely temporarily fastened, and the net material tension wire can be easily locked to the locking claws of the net material locking member. This increases the degree of freedom of manual work, making it possible to quickly lock the net material tension wire to multiple mounting fixtures, and the net material is less likely to fall off the mounting fixture during the work. In addition, since the net material locking member and fastening member can be assembled to the mounting base in advance, there is no risk of accidentally dropping the net material locking member or fastening member during work at the site. Then, after the net material tension wire is locked to multiple mounting fixtures, the fastening members of each mounting fixture are fully tightened together, so that the net material can be firmly held to the frame material. Thus, the workability of attaching the net material to the mounting fixture attached to the frame material is greatly improved.

さらに、網材係止部材を取付基板に組み付けた状態で網材係止部材が前後方向に揺動し得るように構成すれば、網材の仮止め作業が一層、容易になる。また、網材係止部材が揺動し得る分だけ係止爪片の長さを伸ばせるので、網材の保持力も高めることができる。 Furthermore, if the mesh material locking member is configured to be able to swing back and forth while attached to the mounting base, the temporary fastening of the mesh material becomes even easier. Also, the length of the locking claw piece can be extended by the amount that the mesh material locking member can swing, so the holding force of the mesh material can be increased.

本願が開示する発明が適用される柵体の概略的な構成例を示す正面図及びＡ－Ａ線断面図である。1 is a front view and a cross-sectional view taken along line AA showing a schematic configuration example of a fence body to which the invention disclosed in the present application is applied. 本願が開示する発明の一実施形態としての取付具における、取付基板及び網材係止部材の斜視図である。1 is a perspective view of a mounting base plate and a net material engaging member in a mounting fixture according to one embodiment of the invention disclosed in the present application. 図２の取付基板の正面図（ａ）及び上面図（ｂ）である。3A and 3B are a front view and a top view of the mounting substrate of FIG. 2 . 図４の網材係止部材の正面図（ａ）、上面図（ｂ）及び側面図（ｃ）である。5A, 5B and 5C are a front view, a top view and a side view of the net fastening member of FIG. 4. 取付基板と網材取付部材と締結部材との組付形態を示す斜視図である。13 is a perspective view showing an assembly form of the mounting base plate, the net material mounting member, and the fastening member. FIG. 取付基板と網材取付部材と締結部材とを組み付けた仮締め状態の側面図である。13 is a side view of the mounting base plate, the mesh mounting member, and the fastening member in a temporarily fastened state after being assembled. FIG. 取付基板と網材取付部材と締結部材とを組み付けた本締め状態の側面図である。13 is a side view of the mounting base plate, the net material mounting member, and the fastening member in a fully fastened state after being assembled. FIG. 図７の本締め状態の正面図（ａ）及び上面図（ｂ）である。8A and 8B are a front view and a top view of the fully fastened state of FIG. 7 . 前記取付具における締結部材の構成を一部変更した形態を示す仮締め状態の側面図である。FIG. 13 is a side view showing a provisionally fastened state in which a configuration of a fastening member in the mounting tool is partially modified.

以下、本願が開示する発明の実施形態について、図面を参照しつつ説明する。図１は、この発明に係る取付具が適用される柵体１の概略的な構成例を示している。この種の柵体１は基本的に、区画する領域の境界に沿って適宜間隔で立設された複数本の柱体２と、それらの柱体２によって支持される複数本の枠材３と、それらの枠材３によって囲まれた枠内に張設される網材４と、を含んで構成される。ただし、この発明では、区画される領域の種類や形状は特に限定されない。また、柱体２及びその柱体２を支持する基礎構造体等の種類、構造、材質等も特に限定されない。 The following describes an embodiment of the invention disclosed in this application with reference to the drawings. FIG. 1 shows a schematic configuration example of a fence body 1 to which the mounting device according to this invention is applied. This type of fence body 1 is basically composed of a number of pillars 2 erected at appropriate intervals along the boundary of the area to be partitioned, a number of frame members 3 supported by the pillars 2, and a mesh member 4 stretched within the frame surrounded by the frame members 3. However, in this invention, the type and shape of the area to be partitioned are not particularly limited. Furthermore, the type, structure, material, etc. of the pillars 2 and the foundation structure supporting the pillars 2 are not particularly limited.

枠材３は、区画する領域の長さと高さに応じて横方向及び縦方向に（場合によっては斜め方向にも）延設される。図１には、横方向に延びて互いに対向する上枠材３１及び下枠材３２と、それらを一方の側端部で連結する縦枠材３３とを記載しているが、この発明では枠材３の配置形態や連結形態は特に限定されない。また、例示形態では枠材３に円管材を用いているが、これに替えて角材や適宜断面の形材等を用いることもできる。 The frame material 3 extends horizontally and vertically (and diagonally in some cases) according to the length and height of the area to be partitioned. Figure 1 shows upper and lower frame materials 31 and 32 that extend horizontally and face each other, and vertical frame material 33 that connects them at one side end, but the arrangement and connection of the frame material 3 are not particularly limited in this invention. Also, in the example, circular pipe material is used for the frame material 3, but instead of this, square timber or shaped material of appropriate cross section can be used.

網材４は、枠材３によって囲まれた枠内寸法に収まる大きさに切断されて、その枠内に張設される。網材４の縁端部には、網材４の形状を保持するために、太い鋼線等からなる張線４１が取り付けられる。例示形態では、網材４として菱形金網を用いているが、これ以外に、金属線を波状にして格子状に編んだクリンプ金網、金属線を六角形に編んだ亀甲金網、金属線を編まずに交差させて接合した格子パネル、金属薄板に千鳥状の切れ目を入れて押し拡げたエキスパンドメタル、金属薄板に等間隔で多数の孔を打ち抜いたパンチングメタル等も利用可能である。また、網材４は金属製に限らず、合成樹脂や木材、竹材その他の天然材等によって形成されていてもよい。 The mesh material 4 is cut to a size that fits within the dimensions of the frame surrounded by the frame material 3, and is stretched within the frame. To the edge of the mesh material 4, tension wires 41 made of thick steel wires or the like are attached to maintain the shape of the mesh material 4. In the illustrated embodiment, a diamond-shaped wire mesh is used as the mesh material 4, but other materials that can be used include crimped wire mesh made by corrugating metal wires and weaving them into a lattice shape, tortoiseshell wire mesh made by weaving metal wires into a hexagonal shape, lattice panels made by joining metal wires that are not woven but crossed, expanded metal made by making staggered cuts in a thin metal plate and expanding it, and punched metal made by punching a number of holes at equal intervals into a thin metal plate. The mesh material 4 is not limited to being made of metal, and may be made of synthetic resin, wood, bamboo, or other natural materials.

この発明に係る取付具５は、例示のような柵体１の丸囲み部分Ｂにおいて枠材３側に結合され、網材４の縁端部に配置された張線４１が係止されるように構成された部材である。図２～図８は、この発明の一実施形態に係る取付具５の構成を示している。 The mounting fixture 5 according to the present invention is a component that is connected to the frame material 3 at the circled portion B of the fence body 1 as shown in the example, and is configured to engage the tension wires 41 arranged at the edge of the mesh material 4. Figures 2 to 8 show the configuration of the mounting fixture 5 according to one embodiment of the present invention.

この発明に係る取付具５は、基本的構成として、枠材３の枠内側に添設されて網材４と平行に配置される平板状の取付基板６と、取付基板６とは別体に形成されて取付基板６に組み付けられる網材係止部材７と、取付基板６と網材係止部材７とを重ねて結合する締結部材８と、を具備する。以下、それら各部材の詳細な構成について説明する。なお、以下において部位・部材の相対的な位置関係や動作の向きを説明する際には、柵体１をその面直方向から見た視点（図１の正面図）で、網材４の取り付け作業を行う手前側を正面、網材４を挟んでその反対側を背面と定め、それを基準にして上下方向（高さ方向）、左右方向（横幅方向）、前後方向（奥行方向）を特定することとする。 The mounting fixture 5 according to the present invention is basically composed of a flat mounting base plate 6 attached to the inside of the frame material 3 and arranged parallel to the net material 4, a net material locking member 7 formed separately from the mounting base plate 6 and attached to the mounting base plate 6, and a fastening member 8 that overlaps and connects the mounting base plate 6 and the net material locking member 7. The detailed configuration of each of these members will be described below. Note that when describing the relative positions of parts and members and the direction of operation below, the front side where the net material 4 is attached is defined as the front side from the perspective of the fence body 1 viewed from the direction perpendicular to its surface (front view of Figure 1), and the opposite side across the net material 4 is defined as the back side, and the up-down direction (height direction), left-right direction (width direction), and front-back direction (depth direction) are specified based on these.

取付基板６は、正面視略矩形または略Ｕ字形をなす表裏平坦な板片であり、少なくとも一辺が直線状に形成されている。取付基板６は、直線状の一辺（図２の形態では上辺）を枠材３（図２の形態では上枠材３１）の材軸と平行にして枠材３の枠内側に添設され、網材４の張設面と平行になるように配置される。取付基板６を枠材３に添設する手段は溶接でもよいし、適宜の取付金物やねじ部材等を用いてもよい。網材４の取付作業に際しては、予め複数個の取付基板６が、網材４を取り付ける枠材３に略等間隔で添設される。 The mounting substrate 6 is a flat plate that is generally rectangular or U-shaped when viewed from the front, with at least one side formed in a straight line. The mounting substrate 6 is attached to the inside of the frame material 3 with one straight side (the upper side in the form of FIG. 2) parallel to the axis of the frame material 3 (the upper frame material 31 in the form of FIG. 2) and is arranged so as to be parallel to the tensioning surface of the mesh material 4. The mounting substrate 6 may be attached to the frame material 3 by welding, or appropriate mounting hardware or screw members may be used. When attaching the mesh material 4, multiple mounting substrates 6 are attached in advance at approximately equal intervals to the frame material 3 to which the mesh material 4 is to be attached.

取付基板６には二箇所の貫通孔が形成されている。第一の貫通孔は枠材３寄りに配置された組付孔６１であり、枠材３と平行な長軸を有する長矩形または長円形に形成されている。第二の貫通孔は、組付孔６１から枠内側に離隔して配置された締結部材挿通孔６２であり、組付孔６１の長軸と直交する方向に延びる長円形に形成されている。なお、図示は省くが、締結部材挿通孔６２は、取付基板６における枠材３の対辺側（例示形態では下辺側）に開口していてもよい。組付孔６１及び締結部材挿通孔６２はともに、取付基板６の正面視において左右対称になるように、取付基板６の幅方向の中央部に配置されている。 The mounting substrate 6 has two through holes. The first through hole is an assembly hole 61 located closer to the frame material 3, and is formed in an elongated rectangle or oval shape with a long axis parallel to the frame material 3. The second through hole is a fastening member insertion hole 62 located away from the assembly hole 61 toward the inside of the frame, and is formed in an oval shape extending in a direction perpendicular to the long axis of the assembly hole 61. Although not shown in the figure, the fastening member insertion hole 62 may open on the opposite side of the frame material 3 in the mounting substrate 6 (the lower side in the illustrated embodiment). The assembly hole 61 and the fastening member insertion hole 62 are both located in the center of the width direction of the mounting substrate 6 so as to be symmetrical when viewed from the front of the mounting substrate 6.

網材係止部材７は、一枚の板片を側面視略Ｚ形（クランク形）に折曲するなどして形成された部材である。網材係止部材７は、正面視略矩形または略Ｕ字形をなす挿込片７１と、挿込片７１の一端縁から前方に屈折して連続する網材受部７３と、網材受部７３の前端縁から挿込片７１と反対向きに屈折して延びる正面視逆Ｕ字形の係止爪片７４と、を有している。挿込片７１は、その横幅が取付基板６の組付孔６１に挿入可能な寸法に形成されている。挿込片７１の先端部近傍には、後述する締結部材８のボルト８１を挿着するための締結部材取付孔７２が形成されている。例示形態の締結部材取付孔７２は円形の貫通孔である。 The mesh material locking member 7 is a member formed by bending a single plate piece into an approximately Z-shape (crank shape) in side view. The mesh material locking member 7 has an insertion piece 71 that is approximately rectangular or approximately U-shaped in front view, a mesh material receiving portion 73 that is bent forward from one end edge of the insertion piece 71 and continues therewith, and an inverted U-shaped locking claw piece 74 that is bent from the front end edge of the mesh material receiving portion 73 and extends in the opposite direction to the insertion piece 71. The insertion piece 71 is formed so that its width can be inserted into the assembly hole 61 of the mounting board 6. A fastening member mounting hole 72 for inserting a bolt 81 of the fastening member 8 described later is formed near the tip of the insertion piece 71. The fastening member mounting hole 72 in the illustrated embodiment is a circular through hole.

網材受部７３は、挿込片７１に対し前方へ略９０度屈折して連続している。網材受部７３は、その両側縁が左右に張り出して、横幅が組付孔６１の長軸寸法よりも大きくなるように形成されている。 The mesh material receiving portion 73 is bent forward at approximately 90 degrees to the insertion piece 71 and continues from it. The mesh material receiving portion 73 is formed so that both side edges protrude to the left and right and the width is larger than the long axis dimension of the assembly hole 61.

係止爪片７４は、網材受部７３に対し９０度よりもやや大きい角度（例示形態では約９６度）で屈折して連続している。例示形態における係止爪片７４は、その横幅が網材受部７３の横幅よりも小さくなるように形成されているが、係止爪片７４が網材受部７３と略等幅ないしそれよりも幅広に形成されていても差し支えない。 The locking claw piece 74 is bent at an angle slightly greater than 90 degrees (approximately 96 degrees in the illustrated embodiment) and continues to the net material receiving portion 73. In the illustrated embodiment, the locking claw piece 74 is formed so that its width is smaller than the width of the net material receiving portion 73, but it is also acceptable for the locking claw piece 74 to be formed to be approximately the same width as the net material receiving portion 73 or wider.

締結部材８は、例えばボルト８１とナット８２とによって構成される。例示形態では、フランジ付きの六角ボルトと六角ナットとが用いられている。 The fastening member 8 is, for example, composed of a bolt 81 and a nut 82. In the illustrated embodiment, a flanged hexagonal bolt and a hexagonal nut are used.

取付基板６と網材係止部材７とは、図５及び図６に示すように、網材係止部材７の挿込片７１を取付基板６の組付孔６１に正面側から挿入して組み付けられる。網材係止部材７の網材受部７３は組付孔６１を通過できないように形成されているので、網材受部７３及び係止爪片７４は取付基板６の正面側に保持され、組付孔６１との当接箇所を支点として前後方向に揺動し得る状態で保持される。網材受部７３の奥行きは、網材係止部材７を取付基板６に組み付けた状態で、取付基板６の前方に突出する部分が網材４の張線４１の直径よりも大きくなるように形成されている。 As shown in Figures 5 and 6, the mounting base 6 and the net material locking member 7 are assembled by inserting the insertion piece 71 of the net material locking member 7 into the assembly hole 61 of the mounting base 6 from the front side. The net material receiving part 73 of the net material locking member 7 is formed so that it cannot pass through the assembly hole 61, so the net material receiving part 73 and the locking claw piece 74 are held on the front side of the mounting base 6 and are held in a state in which they can swing back and forth with the abutment point with the assembly hole 61 as a fulcrum. The depth of the net material receiving part 73 is formed so that when the net material locking member 7 is assembled to the mounting base 6, the part that protrudes forward of the mounting base 6 is larger than the diameter of the tension wire 41 of the net material 4.

係止爪片７４を枠材３側に向けて立て起すと、網材係止部材７の挿込片７１が取付基板６の背面側に重なり、取付基板６に形成された締結部材挿通孔６２と挿込片７１に形成された締結部材取付孔７２とが合致する。その締結部材挿通孔６２及び締結部材取付孔７２にボルト８１を挿着してナット８２で締結すると、図７及び図８の状態になる。例示形態では背面側からボルト８１を挿着して正面側からナット８２を締結しているが、ボルト８１を挿着する向きは設置場所の状況等に応じて前後どちらも選択可能である。 When the locking claw piece 74 is raised toward the frame material 3, the insertion piece 71 of the mesh locking member 7 overlaps the rear side of the mounting base 6, and the fastening member insertion hole 62 formed in the mounting base 6 matches the fastening member mounting hole 72 formed in the insertion piece 71. When the bolt 81 is inserted into the fastening member insertion hole 62 and the fastening member mounting hole 72 and fastened with the nut 82, the state shown in Figures 7 and 8 is obtained. In the illustrated embodiment, the bolt 81 is inserted from the rear side and the nut 82 is fastened from the front side, but the direction in which the bolt 81 is inserted can be selected to be either forward or backward depending on the conditions of the installation location, etc.

この取付具５に網材４を係止する際には、図６のように締結部材８を締結しない状態で係止爪片７４を手前に倒すことで、網材４の張線４１を正面側から係止爪片７４に容易に係止させることができる。さらに、この取付具５は、取付基板６に形成された締結部材挿通孔６２が組付孔６１の長軸と直交する方向に延びる長孔になっているので、締結部材８を取付基板６及び網材係止部材７に挿着して緩く仮締めした状態でも、網材係止部材７を一定の範囲で揺動させることができる。したがって、枠材３に添設された複数個の取付基板６に予め網材係止部材７と締結部材８とを組み付けて、締結部材８を仮締め状態にしておけば、網材４の張線４１を複数個の取付具５に係止させてから、それらの締結部材８をまとめて本締めする、という手順で取付作業を行うことができる。 When the net material 4 is to be engaged with this mounting fixture 5, the engaging claw 74 can be tilted forward without fastening the fastening member 8 as shown in FIG. 6, so that the tension wire 41 of the net material 4 can be easily engaged with the engaging claw 74 from the front side. Furthermore, since the fastening member insertion hole 62 formed in the mounting base plate 6 of this mounting fixture 5 is an elongated hole extending in a direction perpendicular to the long axis of the assembly hole 61, the net material engaging member 7 can be swung within a certain range even when the fastening member 8 is inserted into the mounting base plate 6 and the net material engaging member 7 and loosely fastened temporarily. Therefore, if the net material engaging member 7 and the fastening member 8 are assembled in advance to the multiple mounting base plates 6 attached to the frame material 3 and the fastening member 8 is in a temporarily fastened state, the installation work can be performed in the following procedure: the tension wire 41 of the net material 4 is engaged with the multiple mounting fixtures 5, and then the fastening members 8 are fully fastened together.

かかる手順によれば、網材４の張線４１を係止させた取付具５ごとに締結部材８を締結する従来の作業手順に比べて作業性が大幅に改善される。また、網材係止部材７が揺動し得る分だけ係止爪片７４の長さを少し伸ばせるので、仮止めした網材４の脱落も防ぎやすくなる。しかも、上枠材３１に添設した取付具５に網材４の上辺を係止させる作業では、挿込片７１に挿着して仮締めした締結部材８の重さによって網材係止部材７が後方に回動し、係止爪片７４が自然に上向きになるので、網材係止部材７に仮止めした張線４１は、さらに脱落しにくくなる。そして、締結部材８を完全に締結すれば、図７のように、網材４の張線４１が網材受部７３上にしっかりと保持される。 This procedure significantly improves workability compared to the conventional procedure of fastening the fastening member 8 to each mounting fixture 5 to which the tension wire 41 of the net material 4 is fastened. In addition, the length of the fastening claw 74 can be extended slightly by the amount that the net material fastening member 7 can swing, making it easier to prevent the temporarily fastened net material 4 from falling off. Furthermore, when fastening the upper edge of the net material 4 to the mounting fixture 5 attached to the upper frame 31, the weight of the fastening member 8 inserted into the insertion piece 71 and temporarily fastened causes the net material fastening member 7 to rotate backward, and the fastening claw 74 naturally faces upward, making it even more difficult for the tension wire 41 temporarily fastened to the net material fastening member 7 to fall off. Then, when the fastening member 8 is completely fastened, the tension wire 41 of the net material 4 is firmly held on the net material receiving part 73 as shown in Figure 7.

図９は、前述した取付具５における締結部材８の構成を一部変更した形態を示している。例示形態の締結部材８は、ナットを含まないボルト８１のみによって構成される。例示のボルト８１には、頭部にローレット加工が施された六角孔付きボルト８１が用いられているが、頭部の形状は特に限定されない。一方、網材係止部材７の挿込片７１に形成される締結部材取付孔７２には雌ねじが形成されて、その雌ねじ孔に取付基板６の正面側からボルト８１が締結されている。例示形態では、締結部材取付孔７２の周部を増肉して雌ねじが形成されているが、挿込片７１の板厚が十分に大きければ増肉加工はなくてもよい。また、挿込片７１の板厚が小さければ、取付基板６の組付孔６１を通過し得る程度の薄ナットを溶接して雌ねじ孔としてもよい。このような構成を採用した場合には、網材４の背面側に締結部材８等をセットする必要がなくなって、網材４の正面側からの作業だけで済むので、作業性がさらに向上する。また、網材４の背面側にナット８２等を落下させる事故も無くすことができる。 9 shows a form in which the configuration of the fastening member 8 in the mounting fixture 5 described above has been partially modified. The fastening member 8 in the illustrated form is composed only of a bolt 81 that does not include a nut. The illustrated bolt 81 is a hexagonal socket bolt 81 with a knurled head, but the shape of the head is not particularly limited. Meanwhile, a female thread is formed in the fastening member mounting hole 72 formed in the insert piece 71 of the net material locking member 7, and the bolt 81 is fastened to the female thread hole from the front side of the mounting board 6. In the illustrated form, the periphery of the fastening member mounting hole 72 is thickened to form a female thread, but if the plate thickness of the insert piece 71 is sufficiently large, thickening processing is not necessary. Also, if the plate thickness of the insert piece 71 is small, a thin nut that can pass through the assembly hole 61 of the mounting board 6 may be welded to form a female thread hole. When such a configuration is adopted, there is no need to set the fastening member 8, etc. on the back side of the net material 4, and work can be done only from the front side of the net material 4, which further improves workability. It also prevents accidents such as dropping nuts 82 onto the back side of the mesh material 4.

なお、例示のような雌ねじ孔を採用すると、ボルト８１を挿着する向きが限定されるため、施工現場の状況によっては作業性が低下する場合もある。その点、前述のようなボルト８１・ナット８２であれば、ボルト８１を挿着する向きが限定されないので、施工現場に応じた作業ができる、というメリットがある。 If a female threaded hole like the one shown in the example is used, the direction in which the bolt 81 can be inserted is limited, which may reduce workability depending on the conditions at the construction site. In contrast, the bolt 81 and nut 82 as described above have the advantage that the direction in which the bolt 81 can be inserted is not limited, allowing work to be done according to the construction site.

前述のように構成される取付具５を用いることで、個々の取付具５に仮止めした網材４を脱落しないように手で押えたり、仮止めした取付具５ごとに締結部材８を締結したりする手間が不要になって、作業者の両手の自由度が上がり、網材４の仮止めから締結部材８の本締めにかけての一連の作業を効率よく進めることができる。かくして、枠材３に網材４を取り付ける作業の作業性が大幅に改善される。 By using the mounting fixture 5 configured as described above, it is no longer necessary to hold down the mesh material 4 temporarily attached to each mounting fixture 5 with one's hand to prevent it from falling off, or to fasten the fastening member 8 for each temporarily attached mounting fixture 5, increasing the freedom of the worker's hands and allowing the worker to efficiently complete a series of tasks from temporarily fastening the mesh material 4 to fully tightening the fastening member 8. Thus, the workability of attaching the mesh material 4 to the frame material 3 is greatly improved.

なお、本願が開示する発明の技術的範囲は、例示した実施形態によって限定的に解釈されるべきものではなく、特許請求の範囲の記載に基づいて概念的に解釈されるべきものである。特許請求の範囲および明細書において使用している構成要素の名称は、発明を具体的に理解し易くするための便宜的なものであって、その名称が当該構成要素の概念や性状を必要以上に限定するものではない。本願が開示する発明の実施に際しては、特許請求の範囲において具体的に特定していない構成要素の詳細な形状、寸法、材質、数量、他要素との結合形態、相対的な位置関係等を、例示形態と実質的に同等程度の作用効果が得られる範囲内で適宜、改変することが可能である。 The technical scope of the invention disclosed in this application should not be interpreted as being limited by the exemplified embodiments, but should be interpreted conceptually based on the claims. The names of the components used in the claims and specification are for convenience in making the invention easier to understand specifically, and the names do not unnecessarily limit the concept or properties of the components. When implementing the invention disclosed in this application, the detailed shape, dimensions, materials, quantities, combination forms with other elements, relative positional relationships, etc. of the components not specifically specified in the claims can be modified as appropriate within the scope that provides substantially the same functional effects as the exemplified forms.

本願が開示する発明は、道路や敷地、公園等、特定の領域の境界に沿って当該領域を囲う、あるいは当該領域を区画する等の目的で設置される防護柵その他の様々な柵体について、枠材に網材を取り付けるための技術として幅広く利用することができる。 The invention disclosed in this application can be widely used as a technology for attaching mesh material to frame materials for protective fences and various other fence structures that are installed along the boundaries of specific areas such as roads, sites, and parks to enclose or divide those areas.

１ 柵体
２ 柱体
３ 枠材
３１ 上枠材
３２ 下枠材
３３ 縦枠材
４ 網材
４１ 張線
５ 取付具
６ 取付基板
６１ 組付孔
６２ 締結部材挿通孔
７ 網材係止部材
７１ 挿込片
７２ 締結部材取付孔
７３ 網材受部
７４ 係止爪片
８ 締結部材
８１ ボルト
８２ ナット Reference Signs List 1 Fence body 2 Pillar body 3 Frame material 31 Upper frame material 32 Lower frame material 33 Vertical frame material 4 Mesh material 41 Tendon wire 5 Mounting fixture 6 Mounting base 61 Assembly hole 62 Fastening member insertion hole 7 Mesh material locking member 71 Insertion piece 72 Fastening member mounting hole 73 Mesh material receiving portion 74 Locking claw piece 8 Fastening member 81 Bolt 82 Nut

Claims (5)

適宜の柱体によって支持される複数本の枠材と、前記枠材によって囲まれた枠内に張設される網材と、を含んで構成される柵体において、前記網材の縁端部を前記枠材に取り付けるための取付具であって、
前記枠材の枠内側に添設されて前記網材と平行に配置される平板状の取付基板と、
前記取付基板とは別体に形成されて前記取付基板に組み付けられる網材係止部材と、
前記取付基板と前記網材係止部材とを重ねて結合する締結部材と、
を具備し、
前記取付基板には、前記枠材と平行な長軸を有して前記枠材寄りに配置される組付孔と、前記組付孔から枠内側に離隔して配置される締結部材挿通孔と、が形成され、
前記網材係止部材は、前記取付基板の前記組付孔に挿入可能な挿込片と、前記挿込片の一端縁から前方に屈折して連続する網材受部と、前記網材受部の前端縁から前記挿込片と反対向きに屈折して延びる係止爪片と、を有して、前記挿込片に締結部材取付孔が形成され、
前記網材係止部材の前記挿込片が前記取付基板の前記組付孔に正面側から挿入されて前記取付基板の背面側に重ねられ、前記係止爪片がその先端を前記枠材側に向けて前記取付基板の正面側に保持された状態で、前記取付基板と前記挿込片とが前記締結部材挿通孔及び前記締結部材取付孔に挿着された締結部材を介して結合される
ように構成された網材の取付具。 A fence body including a plurality of frame members supported by suitable pillars and a net material stretched within a frame surrounded by the frame members, the fence body being configured as a mounting tool for attaching the edge of the net material to the frame members,
A flat mounting base plate is attached to the inside of the frame material and arranged parallel to the mesh material;
a mesh material fastening member formed separately from the mounting base and assembled to the mounting base;
a fastening member for overlapping and joining the mounting base plate and the net material fastening member;
Equipped with
The mounting base plate is formed with an assembly hole having a long axis parallel to the frame material and disposed near the frame material, and a fastening member insertion hole disposed away from the assembly hole toward the inside of the frame,
The net material locking member has an insert piece that can be inserted into the mounting hole of the mounting base, a net material receiving portion that is bent forward from one end edge of the insert piece and continues therewith, and a locking claw piece that is bent from the front end edge of the net material receiving portion in the opposite direction to the insert piece, and a fastening member mounting hole is formed in the insert piece,
A mesh material mounting device configured so that the insertion piece of the mesh material locking member is inserted into the assembly hole of the mounting base from the front side and overlapped on the back side of the mounting base, and the locking claw piece is held on the front side of the mounting base with its tip facing toward the frame material, and the mounting base and the insertion piece are joined via fastening members inserted into the fastening member insertion hole and the fastening member mounting hole. 請求項１に記載された網材の取付具において、
前記網材係止部材の前記網材受部が前記組付孔の長軸寸法よりも幅広に形成されるとともに、
前記取付基板に形成される締結部材挿通孔が前記組付孔の長軸と直交する方向に延びる長孔として形成され、
前記網材係止部材の挿込片が前記取付基板の前記組付孔に正面側から挿入されて、前記網材受部を前記組付孔に当接させた状態で、前記網材係止部材が前記取付基板に対し前記組付孔との当接箇所を支点として前後方向に揺動し得るように保持される
ことを特徴とする網材の取付具。 2. The netting attachment device according to claim 1,
The net material receiving portion of the net material fastening member is formed to be wider than the major axis dimension of the assembly hole,
a fastening member insertion hole formed in the mounting base plate is formed as an elongated hole extending in a direction perpendicular to a major axis of the mounting hole,
A mesh material mounting device characterized in that the insertion piece of the mesh material locking member is inserted into the assembly hole of the mounting base from the front side, and with the mesh material receiving portion abutting against the assembly hole, the mesh material locking member is held so as to be able to swing back and forth in the longitudinal direction relative to the mounting base, with the abutment point with the assembly hole as a fulcrum. 請求項１または２に記載された網材の取付具において、
前記締結部材がボルト・ナットであり、
前記網材係止部材の前記挿込片に形成される締結部材取付孔がボルト挿通孔であり、
前記取付基板と前記挿込片とが前記ボルト・ナットによって結合される
ことを特徴とする網材の取付具。 The net material mounting device according to claim 1 or 2,
The fastening members are bolts and nuts,
The fastening member attachment hole formed in the insertion piece of the net material locking member is a bolt insertion hole,
A mesh material mounting device, characterized in that the mounting base and the insertion piece are connected by the bolts and nuts. 請求項１または２に記載された網材の取付具において、
前記締結部材がボルトであり、
前記網材係止部材の前記挿込片に形成される締結部材取付孔が雌ねじ孔であり、
前記ボルトが前記取付基板の正面側から前記雌ねじ孔に締結される
ことを特徴とする網材の取付具。 The net material mounting device according to claim 1 or 2,
The fastening member is a bolt,
The fastening member attachment hole formed in the insertion piece of the net material locking member is a female threaded hole,
A mesh mounting fixture, characterized in that the bolt is fastened into the female threaded hole from the front side of the mounting base. 請求項１または２に記載された網材の取付具の前記取付基板が、網材の縁端部を保持する前記枠材の枠内側に添設されるとともに、前記取付基板に前記網材係止部材と前記締結部材とが組み付けられ、
前記網材の縁端部に配置された形状保持用の張線が、前記取付基板の正面側から前記網材係止部材の前記係止爪片に係止されて前記網材受部に保持された状態で、
前記取付基板と前記網材係止部材とが前記締結部材を介して結合される
ことを特徴とする柵体。 The mounting base plate of the net material mounting fixture according to claim 1 or 2 is attached to the inside of the frame of the frame material that holds the edge of the net material, and the net material locking member and the fastening member are assembled to the mounting base plate,
In a state where a shape-retaining tension wire arranged at an edge of the net material is engaged with the engaging claw piece of the net material engaging member from the front side of the mounting base plate and held in the net material receiving portion,
A fence body, characterized in that the mounting base and the netting fastening member are connected via the fastening member.
JP2022154201A 2022-09-27 2022-09-27 Net material fixture and fence body using the same Pending JP2024048264A (en)

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