JP3132600U - Covering structure of grating lid in permeable side groove - Google Patents

Covering structure of grating lid in permeable side groove Download PDF

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JP3132600U
JP3132600U JP2007002339U JP2007002339U JP3132600U JP 3132600 U JP3132600 U JP 3132600U JP 2007002339 U JP2007002339 U JP 2007002339U JP 2007002339 U JP2007002339 U JP 2007002339U JP 3132600 U JP3132600 U JP 3132600U
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water
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side groove
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博 西
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エムシー産業株式会社
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Abstract

【課題】 グレーチング蓋を嵌め込むため蓋受け枠が雨水の透水経路を遮断するのを防止し、透水路面層から側溝本体の内部に至る雨水の透水経路を確保し、グレーチング蓋の設置部分においても確実に雨水を排水することができる透水性側溝におけるグレーチング蓋の蓋受け構造の提供。
【解決手段】 左右の蓋受け段差面２，２の間に載置された蓋受け枠６にグレーチング蓋５が嵌め込まれ、蓋受け枠は、前後フレーム６０，６０と仕切壁フレーム６１を備え、仕切壁フレーム６１は前後仕切り壁６１ａ，６１ａと、この前後仕切り壁間に連結された左右仕切壁６１ｂ，６１ｂとで方形フレームに形成され、左右仕切壁と左右の蓋受け段差面との間に通水空隙Ｓ，Ｓが形成され、この通水空隙を通して透水路面層と側溝本体の内部が連通するように形成されている。
【選択図】 図１
PROBLEM TO BE SOLVED: To prevent a lid receiving frame from blocking a rainwater permeation path by fitting a grating lid, to secure a rainwater permeation path from a permeation path surface layer to the inside of a gutter body, and also in a portion where the grating lid is installed Provision of a lid receiving structure for a grating lid in a water-permeable side groove that can reliably drain rainwater.
A grating lid 5 is fitted into a lid receiving frame 6 placed between left and right lid receiving step surfaces 2 and 2, and the lid receiving frame includes front and rear frames 60 and 60 and a partition wall frame 61. The partition wall frame 61 is formed in a square frame by front and rear partition walls 61a and 61a and left and right partition walls 61b and 61b connected between the front and rear partition walls, and between the left and right partition walls and the left and right lid receiving step surfaces. The water passage gaps S, S are formed, and the water permeable road surface layer and the inside of the side groove main body communicate with each other through the water passage gap.
[Selection] Figure 1

Description

本考案は、雨水の排水機能を有する透水路面層によって側溝本体の上面が覆われている透水性側溝において、この透水性側溝の途中に設置するグレーチング蓋の蓋受け構造に関する。   The present invention relates to a lid receiving structure for a grating lid installed in the middle of a water permeable side groove in a water permeable side groove whose upper surface of a side groove main body is covered with a water permeable road surface layer having a rainwater drainage function.

従来、側溝本体の上面を雨水の排水機能を有する透水路面層によって覆うようにした透水性側溝が知られている（特許文献１、特許文献２参照）。
この透水性側溝は、複数の山形型材を通水口となる間隙を保持して連結させることで蓋部材を形成させ、この蓋部材を側溝本体に形成した左右の蓋受け段差面の間に載置させ、この蓋部材の上に透水路面層を形成した構造になっている。
従って、雨水は透水路面層を透水し、さらに蓋部材を形成する山形型材間の間隙を通して側溝本体の内部に流入するもので、これにより雨水を効率よく側溝に排水させることができる。 Conventionally, a water-permeable side groove is known in which the upper surface of the side groove body is covered with a water-permeable road surface layer having a rainwater drainage function (see Patent Document 1 and Patent Document 2).
The water permeable side groove forms a lid member by holding and connecting a plurality of chevron-shaped materials through a gap serving as a water inlet, and the lid member is placed between the left and right lid receiving step surfaces formed on the side groove body. The permeable road surface layer is formed on the lid member.
Therefore, rainwater permeates the water-permeable road surface layer and flows into the inside of the side groove main body through the gap between the chevron-shaped members forming the lid member, thereby allowing rainwater to be efficiently drained into the side groove.

このような透水性側溝において、側溝本体の内部を点検し管理するために、その途中にグレーチング蓋を設置するようになっている。
この場合、側溝本体に形成された左右の蓋受け段差面の間に蓋受け枠が載置され、この蓋受け枠の内部にグレーチング蓋が嵌め込まれ、前記蓋受け枠の周囲に透水路面層が形成される。
このように、蓋受け枠を設けると、この蓋受け枠が周囲の透水路面層との仕切壁になってしまい、透水路面層から側溝本体の内部に至る雨水の透水経路が蓋受け枠によって遮断され、このグレーチング蓋の設置部分では雨水の排水ができなくなるという問題が生じる。
特許公開２００５−２３７７６号公報 特許公開２００５−１７１５９７号公報 In such a water-permeable side groove, in order to inspect and manage the inside of the side groove main body, a grating lid is installed in the middle thereof.
In this case, a lid receiving frame is placed between the left and right lid receiving step surfaces formed in the side groove main body, a grating lid is fitted inside the lid receiving frame, and a water-permeable road surface layer is formed around the lid receiving frame. It is formed.
Thus, when the lid receiving frame is provided, this lid receiving frame becomes a partition wall with the surrounding water permeable road surface layer, and the rain water permeable path from the water permeable road surface layer to the inside of the gutter body is blocked by the lid receiving frame. However, there is a problem that rainwater cannot be drained at the installed portion of the grating lid.
Japanese Patent Publication No. 2005-23776 Japanese Patent Publication No. 2005-171597

本考案は、グレーチング蓋を嵌め込むための蓋受け枠が雨水の透水経路を遮断するのを防止し、透水路面層から側溝本体の内部に至る雨水の透水経路を確保し、グレーチング蓋の設置部分においても確実に雨水を排水することができるようにした透水性側溝におけるグレーチング蓋の蓋受け構造を提供することを課題としている。   The present invention prevents the lid receiving frame for fitting the grating lid from blocking the rainwater permeation path, secures the rainwater permeation path from the permeation path surface layer to the inside of the gutter body, and installs the grating lid. However, it is an object of the present invention to provide a lid receiving structure for a grating lid in a water-permeable side groove that can reliably drain rainwater.

上記の課題を解決するために、本考案の透水性側溝におけるグレーチング蓋の蓋受け構造は、
側溝本体（１）の上面が透水路面層（３）によって覆われている透水性側溝において、
側溝本体（１）に形成された左右の蓋受け段差面（２），（２）の間に蓋受け枠（６）が載置され、この蓋受け枠（６）の内部にグレーチング蓋（５）が嵌め込まれ、前記蓋受け枠（６）の周囲に透水路面層（３）が形成され、
前記蓋受け枠（６）は、左右の蓋受け段差面（２），（２）間に架設される前後フレーム（６０），（６０）と、前記透水路面層（３）との仕切壁を形成する仕切壁フレーム（６１）を備え、
この仕切壁フレーム（６１）は、前後フレーム（６０），（６０）上に取り付けられた前後仕切り壁（６１ａ），（６１ａ）と、この前後仕切り壁（６１ａ），（６１ａ）間に連結された左右仕切壁（６１ｂ），（６１ｂ）とで方形フレームに形成され、
前記左右仕切壁（６１ｂ），（６１ｂ）と前記左右の蓋受け段差面（２），（２）との間に通水空隙（Ｓ），（Ｓ）が形成され、この通水空隙（Ｓ）を通して前記左右仕切壁（６１ｂ）によって仕切られた透水路面層（３）と側溝本体（１）の内部が連通するように形成されている構成とした。
なお、本考案において、「左右」とは側溝の幅方向（図１および図３において紙面左右方向）を言い、「前後」とは側溝の長さ方向（図３において紙面上下方向）を言う。 In order to solve the above problem, the lid receiving structure of the grating lid in the water permeable side groove of the present invention is:
In the water permeable side groove where the upper surface of the side groove main body (1) is covered with the water permeable road surface layer (3),
A lid receiving frame (6) is placed between the left and right lid receiving step surfaces (2) and (2) formed in the side groove body (1), and a grating lid (5) is placed inside the lid receiving frame (6). ) Is fitted, and a water-permeable road surface layer (3) is formed around the lid receiving frame (6),
The lid receiving frame (6) is a partition wall between the front and rear frames (60), (60) laid between the left and right lid receiving step surfaces (2), (2) and the water permeable road surface layer (3). A partition wall frame (61) to be formed;
The partition wall frame (61) is connected between the front and rear partition walls (61a) and (61a) mounted on the front and rear frames (60) and (60) and the front and rear partition walls (61a) and (61a). The left and right partition walls (61b) and (61b) are formed into a square frame,
Water flow gaps (S), (S) are formed between the left and right partition walls (61b), (61b) and the left and right lid receiving step surfaces (2), (2). ) Through the left and right partition walls (61b) and the interior of the lateral groove main body (1) communicates with the permeable road surface layer (3).
In the present invention, “left and right” means the width direction of the side groove (left and right direction in FIG. 1 and FIG. 3), and “front and back” means the length direction of the side groove (up and down direction in FIG. 3).

本考案の蓋受け構造は、仕切壁フレームを形成する左右仕切壁と左右の蓋受け段差面との間に通水空隙が形成されている構成に特徴がある。
この通水空隙によって透水路面層から側溝本体の内部に至る雨水の透水経路を確保でき、グレーチング蓋を嵌め込むための蓋受け枠が雨水の透水経路を遮断するといったことがなく、グレーチング蓋の設置部分においても確実に雨水を排水することができる。 The lid receiving structure of the present invention is characterized in that a water passage gap is formed between the left and right partition walls forming the partition wall frame and the left and right lid receiving step surfaces.
This water-permeable gap ensures a rainwater permeation path from the water-permeable road surface layer to the inside of the gutter body, and the lid receiving frame for fitting the grating lid does not block the rainwater permeation path. Rainwater can be reliably drained even at the portion.

以下、本考案の実施の形態を図面に示す実施例に基づいて説明する。
図１は本考案の透水性側溝におけるグレーチング蓋の蓋受け構造を示す側溝の幅方向断面図、図２はその蓋受け構造を示す側溝の長さ方向断面図、図３はその蓋受け構造を示す切欠平面図である。 Hereinafter, embodiments of the present invention will be described based on examples shown in the drawings.
FIG. 1 is a cross-sectional view in the width direction of a side groove showing the cover receiving structure of the grating lid in the water-permeable side groove of the present invention, FIG. 2 is a cross-sectional view in the length direction of the side groove showing the cover receiving structure, and FIG. It is a notch top view shown.

図において、１は側溝本体で、現場打ち施工によって形成され、上面が開口し、底部１１と左右の側壁１２，１２により内部が樋状の溝水路１３に形成された略Ｕ字状に形成され、前記両側壁１２，１２の内面上端部分に左右の蓋受け段差面２，２が形成されている。
なお、側溝本体１としてコンクリート２次製品を用いることができる。 In the figure, reference numeral 1 denotes a gutter body, which is formed by on-site construction, has an upper surface opened, and is formed in a substantially U shape with a bottom portion 11 and left and right side walls 12, 12 formed inside a trough-shaped groove channel 13. The left and right lid receiving step surfaces 2, 2 are formed at the upper end portions of the inner surfaces of the side walls 12, 12.
A concrete secondary product can be used as the gutter body 1.

そして、前記側溝本体１の上面が透水路面層３により覆われることで、透水性側溝Ａが形成されている。
この実施例では、複数の山形型材４０を通水口となる間隙４１を保持して細棒４２により連結させることで蓋部材４を形成させ、この蓋部材４を側溝本体１に形成した左右の蓋受け段差面２，２の間に載置させ、この蓋部材４の上に透水路面層３を形成した透水性側溝Ａに形成されている。
これにより、雨水は透水路面層３を透水し、さらに蓋部材４を形成する山形型材４０，４０間の間隙４１を通して側溝本体１の溝水路１３に流入する。 And the water-permeable side groove | channel A is formed because the upper surface of the said side groove | channel main body 1 is covered with the water-permeable path surface layer 3. FIG.
In this embodiment, a lid member 4 is formed by holding a plurality of chevron shaped members 40 through gaps 41 serving as water inlets and connected by thin bars 42, and left and right lids formed on the side groove body 1. It is placed between the receiving step surfaces 2 and 2 and is formed in a water permeable side groove A in which a water permeable path surface layer 3 is formed on the lid member 4.
Thereby, rainwater permeates the water-permeable channel surface layer 3 and flows into the groove water channel 13 of the side groove main body 1 through the gap 41 between the angle-shaped members 40 and 40 forming the lid member 4.

このような透水性側溝Ａにおいて、側溝本体１の内部を点検し管理するために、その途中にグレーチング蓋５を設置させるもので、この場合、側溝本体１の左右の蓋受け段差面２，２の間に蓋受け枠６を載置させ、この蓋受け枠６の内部にグレーチング蓋５を嵌め込み、かつ前記蓋受け枠６の周囲に透水路面層３を形成させている。   In such a water-permeable side groove A, in order to inspect and manage the inside of the side groove main body 1, a grating lid 5 is installed in the middle. In this case, the left and right lid receiving step surfaces 2, 2 of the side groove main body 1 are installed. The lid receiving frame 6 is placed between them, the grating lid 5 is fitted inside the lid receiving frame 6, and the water-permeable road surface layer 3 is formed around the lid receiving frame 6.

なお、実施例では、蓋受け枠６を載置する場所において、左右の側壁１２，１２の上端面を左右の蓋受け段差面２，２と均一面になるように側壁１２に切欠部１２ａを形成して側壁１２の幅全体を蓋受け段差面２として形成させており、このようにして側壁１２の幅全体を蓋受け段差面２に形成したものについても本考案の蓋受け段差面２に含める。   In the embodiment, the notch 12a is formed in the side wall 12 so that the upper end surfaces of the left and right side walls 12 and 12 are flush with the left and right lid receiving step surfaces 2 and 2 at the place where the lid receiving frame 6 is placed. The entire width of the side wall 12 is formed as the lid receiving step surface 2, and the entire width of the side wall 12 is formed on the lid receiving step surface 2 as described above. include.

前記蓋受け枠６は、左右の蓋受け段差面２，２間に架設される前後フレーム６０，６０と、前記透水路面層３との仕切壁を形成する仕切壁フレーム６１を備えている。
前記仕切壁フレーム６１は、前後フレーム６０，６０上に取り付けられた前後仕切壁６１ａ，６１ａと、この前後仕切り壁６１ａ，６１ａ間に取り付けられた左右仕切壁６１ｂ，６１ｂとで方形フレームに形成されている。
前記前後フレーム６０，６０には左右両端部にブラケット６０ａ，６０ａが突設され、このブラケット６０ａ，６０ａを側溝本体１の蓋受け段差面２，２に埋設したアンカーボルト９０とナット９１によって締結することにより蓋受け段差面上に固定されている。
なお、この前後フレーム６０，６０の固定手段としては、前記したアンカーボルト９０とナット９１に限られるものではなく、適宜の手段を用いることができる。 The lid receiving frame 6 includes a partition wall frame 61 that forms a partition wall between the front and rear frames 60, 60 that are installed between the left and right lid receiving stepped surfaces 2, 2 and the water permeable road surface layer 3.
The partition wall frame 61 is formed in a square frame by front and rear partition walls 61a and 61a mounted on the front and rear frames 60 and 60 and left and right partition walls 61b and 61b mounted between the front and rear partition walls 61a and 61a. ing.
Brackets 60 a, 60 a protrude from the left and right ends of the front and rear frames 60, 60, and the brackets 60 a, 60 a are fastened by anchor bolts 90 and nuts 91 embedded in the lid receiving stepped surfaces 2, 2 of the side groove body 1. By this, it is fixed on the lid receiving step surface.
The fixing means for the front and rear frames 60, 60 is not limited to the anchor bolt 90 and the nut 91, and any appropriate means can be used.

そして、前記左右仕切壁６１ｂ，６１ｂと前記左右の蓋受け段差面２，２との間に通水空隙Ｓ，Ｓが形成され、この通水空隙Ｓ，Ｓを通して前記左右仕切壁６１ｂ，６１ｂによって仕切られた透水路面層３，３と側溝本体１の内部（溝水路１３）が連通するように形成されている。   Then, water passing gaps S, S are formed between the left and right partition walls 61b, 61b and the left and right lid receiving stepped surfaces 2, 2, and the left and right partition walls 61b, 61b pass through the water passing gaps S, S. It forms so that the water-permeable channel surface layers 3 and 3 and the inside of the ditch | groove main body 1 (groove channel 13) may connect.

このように、仕切壁フレーム６１を形成する左右仕切壁６１ｂ，６１ｂと左右の蓋受け段差面２，２との間に通水空隙Ｓ，Ｓを形成させているので、この通水空隙Ｓ，Ｓによって透水路面層３，３から側溝本体１の溝水路１３に至る雨水の透水経路を確保することができる。   Thus, since the water flow gaps S, S are formed between the left and right partition walls 61b, 61b forming the partition wall frame 61 and the left and right lid receiving step surfaces 2, 2, the water flow gap S, By S, it is possible to ensure a rainwater permeation path from the water permeation path surface layers 3 and 3 to the groove water path 13 of the side groove main body 1.

前記グレーチング蓋５は、いわゆる水落ち蓋であり、外周に設けた方形外枠５０の内部に前後方向の桟フレーム５１と左右方向の連結フレーム５２で多数のスリット孔５３が形成され、その前後端部を前記前後フレーム６０，６０間に架設する状態で、前記蓋受け枠６の仕切壁フレーム６１内に着脱可能に嵌め込まれる。   The grating lid 5 is a so-called water drop lid, and a plurality of slit holes 53 are formed in a rectangular outer frame 50 provided on the outer periphery by a crosspiece frame 51 in the front-rear direction and a connecting frame 52 in the left-right direction. In a state where a portion is installed between the front and rear frames 60, 60, it is detachably fitted into the partition wall frame 61 of the lid receiving frame 6.

次に、図４は本考案の他の実施例を示す断面図である。
この実施例は、本考案に係る透水性側溝Ａを、前記特許文献１（特開２００５−２３７７６号公報）に示したような従来構造の通水性舗装路Ｂの路肩部分に設置した例で、下地層（不透水層）９１の上に通水性表層９０が形成された通水性舗装路Ｂの路肩部に本案透水性側溝Ａが設置され、この透水性側溝Ｓの透水路面層３と前記通水性舗装路Ｂの通水性表層９０とが同時施工で一体に連続して形成されている。
なお、上記図４では透水性側溝Ａの一側（画面右側）を通水性舗装路Ｂの通水性表層９０に連続させ、他側（画面左側）に縁石９５を設置した施工例を示したが、これに限らず、透水性側溝Ａの左右両側を通水性舗装路Ｂの通水性表層に連続させるように施工することもできる。 FIG. 4 is a sectional view showing another embodiment of the present invention.
This example is an example in which the water-permeable side groove A according to the present invention is installed on a shoulder portion of a water-permeable pavement B having a conventional structure as shown in Patent Document 1 (Japanese Patent Laid-Open No. 2005-23776). The proposed water-permeable side groove A is installed on the shoulder portion of the water-permeable pavement B in which a water-permeable surface layer 90 is formed on the foundation layer (water-impermeable layer) 91. The water-permeable surface layer 90 of the aqueous pavement B is integrally formed continuously by simultaneous construction.
In addition, although the said FIG. 4 showed the construction example which made the water-permeable surface layer 90 of the water-permeable pavement B pass through one side (screen right side), and installed the curb 95 in the other side (screen left side). However, the present invention is not limited to this, and it can be constructed so that the left and right sides of the water permeable side groove A are continuous with the water permeable surface layer of the water permeable pavement B.

このように本案透水性側溝Ａの透水路面層３を通水性舗装路Ｂの通水性表層９０に連続させるように施工することで、通水性舗装路Ｂ上の雨水を通水性表層９０に透水させたのち、この通水性表層９０から引き続き連続して透水路面層３に流入させることができるもので、この場合、グレーチング蓋５の部分においても前記と同様に通水空隙Ｓ，Ｓによって透水路面層３，３から側溝本体１の溝水路１３に至る雨水の透水経路を確保することができる。   In this way, the rainwater on the water-permeable pavement B is made to permeate the water-permeable surface layer 90 by constructing the water-permeable pavement surface B of the water-permeable pavement B through the water-permeable surface layer 90 of the water-permeable pavement B. After that, the water-permeable surface layer 90 can be continuously flowed into the water-permeable road surface layer 3, and in this case, the water-permeable space surface layer is also formed in the portion of the grating lid 5 by the water-permeable gaps S and S as described above. A rainwater permeation path from 3, 3 to the ditch water path 13 of the gutter body 1 can be secured.

本考案の透水性側溝におけるグレーチング蓋の蓋受け構造を示す側溝の幅方向断面図である。It is width direction sectional drawing of the side groove | channel which shows the cover receiving structure of the grating lid | cover in the water-permeable side groove | channel of this invention. その蓋受け構造を示す側溝の長さ方向断面図である。It is length direction sectional drawing of the side groove | channel which shows the cover receiving structure. その蓋受け構造を示す切欠平面図である。It is a notch top view which shows the cover receiving structure. 本考案の他の実施例を示す断面図である。It is sectional drawing which shows the other Example of this invention.

符号の説明Explanation of symbols

１ 側溝本体
２ 蓋受け段差面
３ 透水路面層
５ グレーチング蓋
６ 蓋受け枠
６０ 前記前後フレーム
６１ 仕切壁フレーム
６１ａ 前後仕切壁
６１ｂ 左右仕切壁
Ａ 透水性側溝
Ｓ 通水空隙 DESCRIPTION OF SYMBOLS 1 Side groove main body 2 Lid receiving level | step difference surface 3 Water-permeable road surface layer 5 Grating lid 6 Lid receiving frame 60 The said front-and-rear frame 61 Partition wall frame 61a Front-and-rear partition wall 61b Left and right partition wall A Water-permeable side groove S Water flow space

Claims (1)

側溝本体（１）の上面が透水路面層（３）によって覆われている透水性側溝において、
側溝本体（１）に形成された左右の蓋受け段差面（２），（２）の間に蓋受け枠（６）が載置され、この蓋受け枠（６）の内部にグレーチング蓋（５）が嵌め込まれ、前記蓋受け枠（６）の周囲に透水路面層（３）が形成され、
前記蓋受け枠（６）は、左右の蓋受け段差面（２），（２）間に架設される前後フレーム（６０），（６０）と、前記透水路面層（３）との仕切壁を形成する仕切壁フレーム（６１）を備え、
この仕切壁フレーム（６１）は、前後フレーム（６０），（６０）上に取り付けられた前後仕切り壁（６１ａ），（６１ａ）と、この前後仕切り壁（６１ａ），（６１ａ）間に連結された左右仕切壁（６１ｂ），（６１ｂ）とで方形フレームに形成され、
前記左右仕切壁（６１ｂ），（６１ｂ）と前記左右の蓋受け段差面（２），（２）との間に通水空隙（Ｓ），（Ｓ）が形成され、この通水空隙（Ｓ）を通して前記左右仕切壁（６１ｂ）によって仕切られた透水路面層（３）と側溝本体（１）の内部が連通するように形成されていることを特徴とするグレーチング蓋の蓋受け構造。
In the water permeable side groove where the upper surface of the side groove main body (1) is covered with the water permeable road surface layer (3),
A lid receiving frame (6) is placed between the left and right lid receiving step surfaces (2) and (2) formed in the side groove body (1), and a grating lid (5) is placed inside the lid receiving frame (6). ) Is fitted, and a water-permeable road surface layer (3) is formed around the lid receiving frame (6),
The lid receiving frame (6) is a partition wall between the front and rear frames (60), (60) laid between the left and right lid receiving step surfaces (2), (2) and the water permeable road surface layer (3). A partition wall frame (61) to be formed;
The partition wall frame (61) is connected between the front and rear partition walls (61a) and (61a) mounted on the front and rear frames (60) and (60), and the front and rear partition walls (61a) and (61a). The left and right partition walls (61b) and (61b) are formed into a square frame,
Water flow gaps (S), (S) are formed between the left and right partition walls (61b), (61b) and the left and right lid receiving step surfaces (2), (2). ), The water-permeable road surface layer (3) partitioned by the left and right partition walls (61b) and the inside of the side groove body (1) are formed to communicate with each other.
JP2007002339U 2007-04-03 2007-04-03 Covering structure of grating lid in permeable side groove Expired - Lifetime JP3132600U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255284A (en) * 2009-04-24 2010-11-11 Mc Sangyo Kk Cover receiving structure of grating cover in water permeable gutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010255284A (en) * 2009-04-24 2010-11-11 Mc Sangyo Kk Cover receiving structure of grating cover in water permeable gutter

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