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JP4848069B2 - Piping positioning device - Google Patents
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JP4848069B2 - Piping positioning device - Google Patents

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JP4848069B2
JP4848069B2 JP2007192706A JP2007192706A JP4848069B2 JP 4848069 B2 JP4848069 B2 JP 4848069B2 JP 2007192706 A JP2007192706 A JP 2007192706A JP 2007192706 A JP2007192706 A JP 2007192706A JP 4848069 B2 JP4848069 B2 JP 4848069B2
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pipe
sewer pipe
positioning
plate
piping
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JP2009030254A (en
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定夫 岡田
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OKADA KENKO CORPORATION
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Description

本発明は、マンホール等の立坑に下水道管等の配管を固定する際に使用する配管位置決め装置に関する。 The present invention relates to a pipe positioning device used when fixing a pipe such as a sewer pipe to a vertical shaft such as a manhole.

従来より、マンホールに下水道管を固定する場合には、図9に示すように、マンホール50に下水道管40の直径よりも大きな横穴41を開け、この横穴41と下水道管40との隙間42に楔43を打ち込んで仮固定し、レーザー水準器等を使用して位置決めした後、隙間42を埋めて固定していた。この場合、位置決めした後の土砂の埋め戻し作業で、楔43が外れてしまい、下水道管40が下方に落ちてしまうことがあった。 Conventionally, when a sewer pipe is fixed to a manhole, as shown in FIG. 9, a lateral hole 41 larger than the diameter of the sewer pipe 40 is formed in a manhole 50, and a wedge 42 is wedged in a gap 42 between the lateral hole 41 and the sewer pipe 40. 43 was driven and temporarily fixed, and after positioning using a laser level or the like, the gap 42 was filled and fixed. In this case, in the earth and sand refilling operation after positioning, the wedge 43 may come off and the sewer pipe 40 may fall downward.

また、下水道管の敷設工事に使用される配管位置決め装置として、水平器を装着したアーチ状本体の上梁部に、上下移動用ハンドルにより上下移動する昇降軸を螺嵌すると共に、横移動用ハンドルにより横移動する支持部を装設し、両柱部の下部に上下伸縮用ハンドルにより上下伸縮する伸縮脚を嵌設し、かつ、昇降軸の下端に、管用ベルトを巻き上げてパイプを締め付けるベルト調節器を装設した管固定体を回動自在に連設し、管固定体の対向側面の下縁を弧状にしたものが、知られている(特許文献1)。 In addition, as a pipe positioning device used for laying sewer pipes, a vertical movement shaft that is moved up and down by a vertical movement handle is screwed onto an upper beam portion of an arch-shaped main body equipped with a leveler, and a horizontal movement handle Adjusting the belt by tightening the pipe by winding up the belt for the pipe at the lower end of the lifting shaft. There is known a structure in which a tube fixing body provided with a vessel is connected in a freely rotating manner and the lower edge of the opposite side surface of the tube fixing body is formed in an arc shape (Patent Document 1).

特開平9−41471号公報JP-A-9-41471

前述したとおり、楔を使用したものでは、土砂の埋め戻し作業時に楔が外れないようにする必要がある。万一、楔が外れた場合には、位置決め及び埋め戻し作業を最初からやり直す必要があるため、施工コストが高くなっていた。また、上記特許文献1に記載の配管位置決め装置は、横穴に設置されて、敷設される下水道管の位置決めを行うために使用されるものであり、マンホール等の立坑に入れるには大き過ぎ、仮に入れることができたとしても、下水道管の一端の外周を保持するためにはマンホールの内側に下水道管の一端を20センチ程度突出させなければならず、下水道管を固定した後に、この突出した部分を切断する作業が必要となるため作業性が悪くなり、コスト高となるため、マンホール内で下水道管を位置決めする場合には適していなかった。 As described above, in the case of using a wedge, it is necessary to prevent the wedge from coming off during the earth and sand refilling operation. In the unlikely event that the wedge comes off, the positioning and backfilling operations need to be repeated from the beginning, which increases the construction cost. Moreover, the piping positioning device described in Patent Document 1 is used for positioning a sewer pipe to be installed in a horizontal hole and is too large to be placed in a vertical shaft such as a manhole. Even if it can be inserted, in order to hold the outer periphery of one end of the sewer pipe, one end of the sewer pipe must protrude about 20 cm inside the manhole. Therefore, the workability is deteriorated and the cost is increased. Therefore, it is not suitable for positioning the sewer pipe in the manhole.

本発明は上記点に鑑み、製作が容易で、コスト安となると共に、作業性に優れたマンホール等の立坑に下水道管等の配管を固定する際に使用する配管位置決め装置を提供することを目的とする。 The present invention has been made in view of the above points, and it is an object to provide a pipe positioning device that is easy to manufacture, is inexpensive, and is used when fixing a pipe such as a sewer pipe to a vertical shaft such as a manhole having excellent workability. And

請求項1の発明は、配管位置決め装置の発明であって、コンクリート等からなる立坑に開けられた横穴の壁面と接触可能な2つの接触板を備えた枠と、該枠の上下方向に移動可能な移動板と、該移動板から前記横穴の進行方向に延びる配管置台とを有し、前記配管置台にはナットが溶接されており、該ナットが移動板に溶接されているボルトに螺合することによって、配管置台が前後方向に移動して下水道管の端部の位置決めがなされ、前記2つの接触板の間隔を設置される下水道管の外径とほぼ同一の長さにすることによって、下水道管の横ぶれを防ぎ、前記移動板を上下方向に移動させることによって設置される下水道管の上下方向の位置決めがなされることに特徴を有する。 Invention of Claim 1 is invention of piping positioning apparatus, Comprising: The frame provided with the two contact plates which can contact the wall surface of the horizontal hole opened in the shaft which consists of concrete etc., It can move to the up-down direction of this frame A movable plate and a pipe pedestal extending from the movable plate in the advancing direction of the lateral hole. A nut is welded to the pipe pedestal, and the nut is screwed to a bolt welded to the movable plate. Thus, the piping pedestal moves in the front-rear direction, the end of the sewer pipe is positioned, and the distance between the two contact plates is set to be approximately the same as the outer diameter of the sewer pipe to be installed. It is characterized in that the sewer pipe installed in the vertical direction is positioned by preventing the horizontal displacement of the pipe and moving the moving plate in the vertical direction.

請求項2の発明は、請求項1の発明において、移動板の上下方向の移動は、枠に設けられた2本のボルトと、移動板に設けられた2本のナットとによってなされることに特徴を有する。 According to a second aspect of the present invention, in the first aspect of the invention, the moving plate is moved in the vertical direction by two bolts provided on the frame and two nuts provided on the moving plate. Has characteristics.

請求項1の発明では、配管位置決め装置の発明であって、コンクリート等からなる立坑に開けられた横穴の壁面と接触可能な2つの接触板を備えた枠と、該枠の上下方向に移動可能な移動板と、該移動板から前記横穴の進行方向に延びる配管置台とを有し、前記配管置台にはナットが溶接されており、該ナットが移動板に溶接されているボルトに螺合することによって、配管置台が前後方向に移動して下水道管の端部の位置決めがなされ、前記2つの接触板の間隔を設置される下水道管の外径とほぼ同一の長さにすることによって、下水道管の横ぶれを防ぎ、前記移動板を上下方向に移動させることによって設置される下水道管の上下方向の位置決めがなされることに特徴を有するので、部品点数の少ないコンパクトな構成であるにも関わらず、立坑に開けられた横穴に下水道管等を配設する際に確実に位置決めすることができる。 The invention of claim 1 is an invention of a pipe positioning device, comprising a frame provided with two contact plates that can come into contact with the wall surface of a horizontal hole opened in a shaft made of concrete or the like, and movable in the vertical direction of the frame A movable plate and a pipe pedestal extending from the movable plate in the advancing direction of the lateral hole. A nut is welded to the pipe pedestal, and the nut is screwed to a bolt welded to the movable plate. Thus, the piping pedestal moves in the front-rear direction, the end of the sewer pipe is positioned, and the distance between the two contact plates is set to be approximately the same as the outer diameter of the sewer pipe to be installed. Although it is characterized by the fact that the sewer pipe installed in the vertical direction is positioned by preventing the horizontal displacement of the pipe and moving the moving plate in the vertical direction, it has a compact configuration with a small number of parts. , It can be reliably positioned when disposed sewerage, etc. horizontal hole drilled in the pit.

請求項2の発明では、請求項1の発明において、移動板の上下方向の移動は、枠に設けられた2本のボルトと、移動板に設けられた2本のナットとによってなされることに特徴を有するので、ボルトとナットという安価な部品によって、位置決め時における上下方向の微調整を簡易に行うことができる。 In the invention of claim 2, in the invention of claim 1, the moving plate is moved in the vertical direction by two bolts provided on the frame and two nuts provided on the moving plate. Since it has features, fine adjustment in the vertical direction during positioning can be easily performed by inexpensive parts such as bolts and nuts.

次に、本発明の実施形態を図面に基づいて説明する。図1は、本発明の配管位置決め装置を正面方向から見た場合の斜視図であり、図2は、背面方向から見た場合の斜視図である。図3は、本発明の配管位置決め装置の左側面図である。これらの図を用いて本発明の配管位置決め装置30を説明する。配管位置決め装置30は、枠1に、2つの接触板2,2を備えている。この2つの接触板2,2の間隔は、設置される下水道管の外径とほぼ同一の長さとなっており、設置される下水道管の横ぶれを防いでいる。そして、枠1には、この枠1の上下方向に移動可能な移動板3と、この移動板3から横穴の進行方向、即ち移動板3の板面から垂直方向に調節可能な配管置台4とを有している。 Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view when the piping positioning device of the present invention is viewed from the front direction, and FIG. 2 is a perspective view when viewed from the back direction. FIG. 3 is a left side view of the pipe positioning device of the present invention. The piping positioning device 30 of the present invention will be described with reference to these drawings. The pipe positioning device 30 includes two contact plates 2 and 2 on the frame 1. The distance between the two contact plates 2 and 2 is substantially the same as the outer diameter of the sewer pipe to be installed, and prevents the sewer pipe from being laterally shaken. The frame 1 includes a moving plate 3 that can move in the vertical direction of the frame 1, and a piping table 4 that can be adjusted in the direction of movement of the horizontal hole from the moving plate 3, that is, in the vertical direction from the plate surface of the moving plate 3. have.

移動板3には、枠1に設けられた2本のボルト5a,5bが、移動板3に設けられた2本のナット6a,6bに各々螺合しているので、2本のボルト5a,5bの頭を右回転又は左回転させることによって、移動板3の上下方向の移動(調節)がなされるのである。尚、2本のボルト5a,5bの端部に当接するように、下部が、板7b,7bによって塞がれた円筒管7a,7aが枠に溶接されており、この円筒管7a,7aは、ナット6a,6bよりも大きな穴となっており、後述する抜け止め片70aによってボルト5a,5bの抜け止めをしている。したがって、2本のボルト5a,5b自体は、右回転又は左回転させても上下方向に移動することはなく、移動板3がボルト5a,5bに沿って上下方向に移動するのである。 Since the two bolts 5a and 5b provided on the frame 1 are screwed into the two nuts 6a and 6b provided on the moving plate 3, respectively, the two bolts 5a and 5b, The moving plate 3 is moved (adjusted) in the vertical direction by rotating the head 5b clockwise or counterclockwise. In addition, cylindrical tubes 7a and 7a whose lower portions are closed by plates 7b and 7b are welded to a frame so as to contact the ends of the two bolts 5a and 5b. These holes are larger than the nuts 6a and 6b, and the bolts 5a and 5b are prevented from coming off by a retaining piece 70a described later. Therefore, the two bolts 5a and 5b themselves do not move in the vertical direction even if they are rotated clockwise or counterclockwise, and the movable plate 3 moves in the vertical direction along the bolts 5a and 5b.

配管置台4の円弧状の本体4aにはナット8が溶接されており、このナット8の端部にはボルト9が挿入可能な穴が開けられた配管端部位置決め板10が溶接されている。この配管端部位置決め板10に、設置される下水道管等の配管の端部を当接させることによって、配管の端部の位置決めがなされるのである。そして、配管置台4のナット8が、移動板3に溶接されているボルト9に螺合している。したがって、配管置台4を右回転又は左回転させることによって、ボルト9に沿って配管置台4の前後方向の移動(調節)がなされるのである。尚、配管置台4は、立坑に配設される下水道管等の配管の大きさに合わせて交換することができ、本体4aの円弧の形状は配管の直径に合わせて変更される。 A nut 8 is welded to the arc-shaped main body 4 a of the pipe mount 4, and a pipe end positioning plate 10 having a hole into which a bolt 9 can be inserted is welded to an end of the nut 8. The end of the pipe is positioned by bringing the end of the pipe such as a sewer pipe installed into contact with the pipe end positioning plate 10. The nut 8 of the pipe mount 4 is screwed into a bolt 9 welded to the moving plate 3. Therefore, by moving the piping table 4 clockwise or counterclockwise, the piping table 4 is moved (adjusted) in the front-rear direction along the bolt 9. In addition, the piping stand 4 can be replaced | exchanged according to the magnitude | sizes of piping, such as a sewer pipe arrange | positioned in a shaft, and the shape of the circular arc of the main body 4a is changed according to the diameter of piping.

図4は、枠1を背面方向から見た斜視図である。枠1は、長方形状の平板1aと側板1bとが組み合わされてなるものであり、側板1bの上部にはボルト5a,5bが挿通可能な穴12,12が開けられている。また、平板1aには、立坑に開けられた横穴の壁面と接触可能な接触板2,2が溶接されている。この接触板2,2の近傍の平板1aと側板1bの角部に,下部が板7b,7bによって塞がれた円筒管7a,7aが溶接されている。 FIG. 4 is a perspective view of the frame 1 as seen from the back side. The frame 1 is a combination of a rectangular flat plate 1a and a side plate 1b, and holes 12 and 12 into which bolts 5a and 5b can be inserted are formed in the upper portion of the side plate 1b. Moreover, the contact plates 2 and 2 which can contact the wall surface of the horizontal hole opened in the shaft are welded to the flat plate 1a. Cylindrical tubes 7a and 7a whose lower portions are closed by plates 7b and 7b are welded to the corners of flat plate 1a and side plate 1b in the vicinity of contact plates 2 and 2, respectively.

図5は、移動板3の平面図である。移動板3は、平板3aの両端部に枠1に設けられた2本のボルト5a,5bと螺合する2本のナット6a,6bが溶接されており、平板3aの中央部分には、ボルト9が溶接されている。 FIG. 5 is a plan view of the movable plate 3. The moving plate 3 is welded with two nuts 6a and 6b screwed to the two bolts 5a and 5b provided on the frame 1 at both ends of the flat plate 3a. 9 is welded.

図6は、配管置台4の正面図である。配管置台4は、円弧状の本体4aの中間部にはナット8が溶接されており、このナット8の端部にはボルト9が挿入可能な穴が開けられた配管端部位置決め板10が溶接されている。そして、配管置台4のナット8が、移動板3に溶接されているボルト9に螺合するのである。 FIG. 6 is a front view of the piping table 4. The pipe mount 4 is welded with a nut 8 at an intermediate portion of the arcuate body 4a, and a pipe end positioning plate 10 with a hole into which a bolt 9 can be inserted is welded at the end of the nut 8. Has been. Then, the nut 8 of the piping table 4 is screwed into the bolt 9 welded to the moving plate 3.

図7は、ボルト5a,5bの平面図と、円筒管7aの斜視図である。ボルト5a,5bは、上述したように、移動板3の2本のナット6a,6bに各々螺合するものであり、移動板3の上下方向の高さの調節を行い、マンホール等の立坑の横穴に設置される下水道管等の配管の上下方向の位置を決めるものであるため、長尺なボルトを使用する。また、円筒管7aは、抜け止め溝70aがボルト5a,5bの溝50a,50bに対応する位置に設けられており、この抜け止め溝70aに金属クリップ等を差し込むことによって、ボルト5a,5bの抜け止めをしている。 FIG. 7 is a plan view of the bolts 5a and 5b and a perspective view of the cylindrical tube 7a. As described above, the bolts 5a and 5b are screwed into the two nuts 6a and 6b of the moving plate 3, respectively, and adjust the height of the moving plate 3 in the vertical direction so that the shafts such as manholes can be adjusted. Long bolts are used to determine the vertical position of pipes such as sewer pipes installed in the horizontal holes. Further, in the cylindrical tube 7a, the retaining groove 70a is provided at a position corresponding to the grooves 50a, 50b of the bolts 5a, 5b. By inserting a metal clip or the like into the retaining groove 70a, the bolts 5a, 5b It is retaining.

次に図8を使用して、本発明の配管位置決め装置30によって、マンホール等の立坑50の横穴に下水道管40等の配管を設置する手順を説明する。
第1に、立坑50の下方に設けられた横穴に本発明の配管位置決め装置30を設置し、2本の木棒32の一端を枠1に当て、木棒32の他端を立坑50の壁に当てて突っ張らせることで配管位置決め装置30を固定し、配管端部位置決め板10を前後方向に移動させることで、設置される下水道管の端部の位置決めが行われる。
第2に、レーザー水準器33を立坑50の底板34にセットする。
第3に、下水道管40と立坑50の横穴との隙間に耐震用接続部材31を設置する。
第4に、下水道管40を横穴に挿入し、下水道管40の内壁を配管位置決め装置30の配管置台4に当接させる。この時、接触板2,2の間隔は、設置される下水道管40の外径とほぼ同じ長さにしているので、設置される下水道管40の横ぶれが防止される。
第5に、配管位置決め装置30の2本のボルト5a、5bを回して下水道管40を上下方向に移動させ、レーザー水準器33に合わせて、位置決めを行う。
第6に下水道管40の反対側の端部に次の下水道管40をつなぎ、レーザー水準器33で位置決めされた高さで土を埋め戻して下水道管40が固定される。
第7に2本の木棒32を外して配管位置決め装置30を取り除く。
Next, a procedure for installing a pipe such as a sewer pipe 40 in a horizontal hole of a vertical shaft 50 such as a manhole by the pipe positioning device 30 of the present invention will be described with reference to FIG.
First, the pipe positioning device 30 of the present invention is installed in a horizontal hole provided below the shaft 50, one end of two wooden bars 32 is applied to the frame 1, and the other end of the wooden bar 32 is connected to the wall of the shaft 50. The pipe positioning device 30 is fixed by being stretched against the pipe and the pipe end positioning plate 10 is moved in the front-rear direction, whereby the end of the sewer pipe to be installed is positioned.
Second, the laser level 33 is set on the bottom plate 34 of the shaft 50.
Third, the seismic connection member 31 is installed in the gap between the sewer pipe 40 and the horizontal hole of the vertical shaft 50.
Fourthly, the sewer pipe 40 is inserted into the horizontal hole, and the inner wall of the sewer pipe 40 is brought into contact with the pipe mount 4 of the pipe positioning device 30. At this time, since the distance between the contact plates 2 and 2 is substantially the same as the outer diameter of the sewer pipe 40 to be installed, the horizontal displacement of the sewer pipe 40 to be installed is prevented.
Fifth, the two bolts 5 a and 5 b of the pipe positioning device 30 are turned to move the sewer pipe 40 in the vertical direction, and positioning is performed according to the laser level 33.
Sixth, the next sewer pipe 40 is connected to the opposite end of the sewer pipe 40, and the soil is backfilled at the height positioned by the laser level 33, and the sewer pipe 40 is fixed.
Seventh, the two wooden bars 32 are removed and the pipe positioning device 30 is removed.

尚、本発明の趣旨を逸脱しない範囲において、種々の実施形態をとることができることは言うまでもない。 In addition, it cannot be overemphasized that various embodiment can be taken in the range which does not deviate from the meaning of this invention.

本発明の配管位置決め装置は、マンホール等の立坑の横穴に下水道管等の配管を設置する際の位置決めに使用することができる。   The piping positioning device of the present invention can be used for positioning when piping such as a sewer pipe is installed in a horizontal hole of a vertical shaft such as a manhole.

本発明の配管位置決め装置を正面方向から見た場合の斜視図。The perspective view at the time of seeing the piping positioning device of this invention from the front direction. 本発明の配管位置決め装置を背面方向から見た場合の斜視図。The perspective view at the time of seeing the piping positioning apparatus of this invention from the back direction. 本発明の配管位置決め装置の左側面図。The left view of the piping positioning device of this invention. 枠を背面方向から見た斜視図。The perspective view which looked at the frame from the back direction. 移動板の平面図。The top view of a moving board. 配管置台の正面図。The front view of a piping stand. ボルトの平面図と円筒管の斜視図。The top view of a volt | bolt and the perspective view of a cylindrical tube. 本発明の配管位置決め装置の使用例を示す図。The figure which shows the usage example of the piping positioning apparatus of this invention. 従来の楔による位置決め方法を示す図The figure which shows the positioning method by the conventional wedge

符号の説明Explanation of symbols

1 枠
2 接触板
3 移動板
4 配管置台
5a,5b,9 ボルト
6a,6b,8 ナット
7a 円筒管
7b 板
10 配管端部位置決め板
12 穴
30 配管位置決め装置
40 下水道管
41 横穴
42 隙間
43 楔
50 立坑
DESCRIPTION OF SYMBOLS 1 Frame 2 Contact plate 3 Moving plate 4 Piping stand 5a, 5b, 9 Bolt 6a, 6b, 8 Nut 7a Cylindrical tube 7b Plate 10 Piping end positioning plate 12 Hole 30 Piping positioning device 40 Sewer pipe 41 Side hole 42 Gap 43 Wedge 50 Shaft

Claims (2)

コンクリート等からなる立坑に開けられた横穴の壁面と接触可能な2つの接触板を備えた枠と、該枠の上下方向に移動可能な移動板と、該移動板から前記横穴の進行方向に延びる配管置台とを有し、前記配管置台にはナットが溶接されており、該ナットが移動板に溶接されているボルトに螺合することによって、配管置台が前後方向に移動して下水道管の端部の位置決めがなされ、前記2つの接触板の間隔を設置される下水道管の外径とほぼ同一の長さにすることによって、下水道管の横ぶれを防ぎ、前記移動板を上下方向に移動させることによって設置される下水道管の上下方向の位置決めがなされることを特徴とする配管位置決め装置。 A frame provided with two contact plates that can come into contact with the wall surface of a horizontal hole opened in a shaft made of concrete, etc., a movable plate that can move in the vertical direction of the frame, and extends from the movable plate in the direction of travel of the horizontal hole A pipe pedestal, and a nut is welded to the pipe pedestal, and when the nut is screwed to a bolt welded to the moving plate, the pipe pedestal moves in the front-rear direction, and the end of the sewer pipe. The positioning of the part is made and the distance between the two contact plates is made to be approximately the same length as the outer diameter of the installed sewer pipe, so that the sewer pipe is prevented from shaking and the movable plate is moved in the vertical direction. A piping positioning device characterized in that positioning of a sewer pipe installed in the vertical direction is performed. 移動板の上下方向の移動は、枠に設けられた2本のボルトと、移動板に設けられた2本のナットとによってなされることを特徴とする請求項1に記載の配管位置決め装置。 The pipe positioning apparatus according to claim 1, wherein the movement plate is moved in the vertical direction by two bolts provided on the frame and two nuts provided on the movement plate.
JP2007192706A 2007-07-24 2007-07-24 Piping positioning device Expired - Fee Related JP4848069B2 (en)

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0941471A (en) * 1995-07-28 1997-02-10 Tomohiro Hirakawa Pipe position adjusting and fixing device for sewer construction
JP3210616B2 (en) * 1997-12-03 2001-09-17 早川ゴム株式会社 Joint structure, extended fixed band and pipe positioning device
JP2002242214A (en) * 2001-02-16 2002-08-28 Denki Kagaku Kogyo Kk Tube position adjustment ring for connecting structures
JP2002356867A (en) * 2001-06-01 2002-12-13 Denki Kagaku Kogyo Kk Tube connection adjusting ring for connecting structure and connecting method thereof
JP2004052938A (en) * 2002-07-22 2004-02-19 Takayama Metal Industrial Co Ltd Fixing device for flowing water members

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