JPH03272389A - Method for installing fluid control valve in non-water failure state and sealing connection device therefor - Google Patents
Method for installing fluid control valve in non-water failure state and sealing connection device thereforInfo
- Publication number
- JPH03272389A JPH03272389A JP6895990A JP6895990A JPH03272389A JP H03272389 A JPH03272389 A JP H03272389A JP 6895990 A JP6895990 A JP 6895990A JP 6895990 A JP6895990 A JP 6895990A JP H03272389 A JPH03272389 A JP H03272389A
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- fluid
- fluid control
- ring
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 title claims description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 13
- 239000003566 sealing material Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 239000000565 sealant Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 241000270722 Crocodylidae Species 0.000 description 2
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000269821 Scombridae Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 235000020640 mackerel Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
【発明の詳細な説明】
イ１発明の目的
〔産業上の利用分野〕
この発明は、既設の流体管路例えば水道管に不断水状態
（既設管路内の流水の流れを予め設置された制水弁で止
めることなく流通状態で工事を実施すること。）で流体
制御弁を設置するいわゆる不断水流体制御弁設置工法に
関し、更に詳しくは、密封された筐体内で管路を直交状
に切断し、該切断部分に当該流体制御弁を設置する方法
並びにその施工装置に関する。Detailed Description of the Invention A1. Purpose of the Invention [Field of Industrial Application] This invention provides a system for maintaining an existing fluid pipe, for example, a water pipe, in a state where there is no water interruption (pre-installed control of the flow of water in the existing pipe). Regarding the so-called uninterrupted fluid control valve installation method, which involves installing a fluid control valve in a state where the water is flowing without stopping it with a water valve, in more detail, the pipe line is cut orthogonally in a sealed enclosure. The present invention also relates to a method for installing the fluid control valve in the cut portion, and a device for installing the same.
この種の技術として、特公昭５９−４２１９３号公報の
ものが公知である。This type of technique is known from Japanese Patent Publication No. 59-42193.
すなわち、該公知技術によれば、流体制御弁の設置箇所
の両側に相当する管周面に一対の割り継輪を摺動可能に
し、次にこれら割り継輪を含めて前記流体制御弁の設置
箇所を密封状態の筐体で囲ぎょうし、前記筐体内で前記
流体ｍｍ弁の設置箇所を切断機で切除した後、その切除
部に流体制御弁を管軸方向への移動を規制する状態で装
着してから、それの両側に位置する割り継輪を外部から
前記流体制御弁に向けて両側から押し込んで前記流体制
御弁に接続用フランジ部と前記切除部の管端部との間に
跨がって嵌合させてそれら両者管を接続した後、前記外
筺を撤去することによって流体制御弁を管路の途中に取
り付けることを特徴とする。That is, according to the known technique, a pair of split joint rings are made slidable on the pipe peripheral surface corresponding to both sides of the installation location of the fluid control valve, and then the fluid control valve is installed including these split joint rings. After enclosing the part with a sealed casing, cutting out the installation part of the fluid mm valve in the casing with a cutting machine, inserting a fluid control valve in the cut part in a state that restricts movement in the pipe axis direction. After it is installed, the split rings located on both sides are pushed from both sides toward the fluid control valve from the outside so that they straddle the connection flange part of the fluid control valve and the pipe end of the cutout part. Therefore, after the two pipes are connected by fitting, the fluid control valve is installed in the middle of the pipe by removing the outer casing.
しかしながら、該公知技術によれば、切除された流体管
の切口端面ば露出された状態となり、流体管内の流体と
常時接触し、腐食性の流体によっては当該切除端面より
腐食が始まり早期に劣化が進行するとの不具合がある。However, according to the known technique, the cut end face of the cut fluid pipe is exposed and constantly in contact with the fluid in the fluid pipe, and depending on the corrosive fluid, corrosion may start from the cut end face and cause early deterioration. There is a problem with progress.
〔発明が解決しようとする課題〕
本発明は上記実情に鑑みなされたものであって、この種
の流体制御弁の不断水設置工法において切断部に鯖が生
じない新規な施工方法を提供することをその目的（技術
的諜Ｎ）とする。[Problems to be Solved by the Invention] The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a new method for installing this type of fluid control valve without water interruption, in which mackerel does not occur at the cut portion. is its purpose (technical espionage N).
口１発明の構成
〔課題を解決するための手段〕
本発明の流体制御弁の不断水設置方法は上記目的を達成
するため、次の工程よりなる構成（技術的手段）を採る
。すなわち、密閉ケース内において、切断機により流体
管を直管状に切断し、次いで当該切断部に流体制御弁を
挿入設置する流体制御弁の不断水設置方法において、予
め流体制御弁の設置箇所の両側に相当する管周面にそれ
ぞれ固定接続環を装着する工程、切断機で流体管を切断
した後、その切除部に、前記固定接続環側の切口端面に
当接されるシール材を抱持した伸縮可能な伸縮接手環を
収縮状態で装着した流体制御弁を挿着する工程、前記可
動接手環を管軸方向に伸張して前記固定接続環に水密に
係合する工程、からなる流体制御弁の不断水設置方法。1. Structure of the invention [Means for solving the problem] In order to achieve the above object, the method for installing a fluid control valve without water interruption of the present invention adopts a structure (technical means) consisting of the following steps. In other words, in a method for installing a fluid control valve without water cutoff, in which a fluid pipe is cut into a straight pipe shape using a cutting machine in a sealed case, and then a fluid control valve is inserted and installed into the cut section, both sides of the installation location of the fluid control valve are cut in advance. The step of attaching a fixed connection ring to each pipe circumferential surface corresponding to , after cutting the fluid pipe with a cutting machine, the cut portion holds a sealing material that comes into contact with the cut end surface on the fixed connection ring side. A fluid control valve comprising the steps of: inserting a fluid control valve equipped with an extensible extensible joint ring in a contracted state; and extending the movable joint ring in the pipe axis direction to engage the fixed connection ring in a watertight manner. How to install without water interruption.
また、密封接続装置は畝上の流体制御弁の不断水設置方
法を実施するものであって、流体制御弁の挿入設置箇所
の両側の管周面に水密に固定装着される固定接続環と、
挿入設置される流体制御弁において、前記固定接続環に
対応して装着され、流体管の切口部に当接されるシール
材を抱持した管軸方向に伸縮可能な伸縮接手環と、から
なることを特徴とする密封接続装置。Further, the sealing connection device implements a method for installing a fluid control valve on a ridge without water interruption, and includes a fixed connection ring that is fixed and fixed in a watertight manner to the pipe circumferential surface on both sides of the insertion installation location of the fluid control valve;
The fluid control valve to be inserted and installed is equipped with a retractable joint ring that is installed in correspondence with the fixed connection ring and that is expandable and retractable in the pipe axis direction and that holds a sealing material that comes into contact with the cut portion of the fluid pipe. A sealed connection device characterized by:
（作用）
伸縮接手環の軸方向への移動において流体管の切り口面
にバンキングが押圧当接されるとともに、固定接続環と
伸縮接手環とは互いに水密に係合し、これにより流体管
内の流体の流出は封止される。(Function) When the telescoping joint ring moves in the axial direction, the banking is pressed into contact with the cut surface of the fluid pipe, and the fixed connection ring and the telescoping joint ring engage each other in a watertight manner. outflow is sealed.
以下、本発明の流体制御弁の不断水設置方法及びその密
封接続装置の実施例を図面に基づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a method for installing a fluid control valve without water interruption and a sealing connection device thereof according to the present invention will be described with reference to the drawings.
（実施例装置）
第１図及び第２図は本発明方法の途中工程（流体弁の挿
入直後の状態）を示すものであるが、その一実施例の密
封接続装置の全体が示されている。(Example device) Figures 1 and 2 show an intermediate step in the method of the present invention (a state immediately after the fluid valve is inserted), and the entire sealing connection device of one example is shown. .
図において、Ｐは配水主管等の流体管、Ｑはその切断さ
れた切口部、Ｓは作業用密閉ケース、■は挿入される流
体制御弁である。In the figure, P is a fluid pipe such as a main water distribution pipe, Q is a cut portion thereof, S is a closed case for working, and ■ is a fluid control valve to be inserted.
（作業用密閉ケース） 先ず、作業用密閉ケースＳについて説明する。(sealed case for work) First, the sealed work case S will be explained.
該作業用密閉ケースＳは上ケース１００と下ケース１０
１との管軸を含む平面において二つ割に形成され、それ
らのフランジ１０２．１０３相互を衝接させて締付はボ
ルト１０４をもって一体的番二組み立てられる。管軸方
向の両端部には、流体管Ｐを挿通する挿通孔１０６が開
設され、挿通孔１０６に臨んで本密閉ケースＳの内面に
当金１０７が固設されるとともに、該挿通孔１０６と流
体管Ｐとの間隙にはバッキング１０８が装着される。The work sealed case S includes an upper case 100 and a lower case 10.
It is formed into two halves in a plane including the tube axis with 1, and the flanges 102 and 103 are brought into contact with each other, and the two are assembled together using bolts 104. An insertion hole 106 through which the fluid pipe P is inserted is formed at both ends in the tube axis direction, and a stopper 107 is fixed on the inner surface of the sealed case S facing the insertion hole 106. A backing 108 is attached to the gap between the fluid pipe P and the fluid pipe P.
１０９はこのバンキング１０８を押圧する押輪であって
、該押輪１０９は本密閉ケースＳに螺入される締付はボ
ルト１１０をもって前進せられる。Reference numeral 109 denotes a press ring for pressing the banking 108, and the press ring 109 is screwed into the main sealed case S and is advanced with a bolt 110.
また、押輪１０９にはそのボルトが流体管Ｐに食い込ん
で離脱を阻止する離脱防止装置１１１が付置される。Further, a detachment prevention device 111 is attached to the push ring 109 to prevent the bolt from biting into the fluid pipe P and detaching from the push ring 109.
本密閉ケースＳは実質的に横置き状の円筒形状をなすが
、上部は矩形状の開口部１１３をなし、上端面のフラン
ジ１１４をもって後記する他の装置の接続をなす３本密
閉ケースＳの内面には案内レール１１５が開口部１１３
に臨んで縦設される。This sealed case S has a substantially horizontally cylindrical shape, but the upper part has a rectangular opening 113, and the three sealed cases S have a flange 114 on the upper end surface to connect other devices to be described later. On the inner surface, a guide rail 115 is provided with an opening 113.
It is installed vertically facing the city.
１１６は開閉のできる作業用窓である。116 is a working window that can be opened and closed.
本密閉ケースＳの下部底部にはドレーン管１１８が配さ
れ、また底面にはこのケースＳ全体を支える支旧１１９
が設けられる。A drain pipe 118 is arranged at the lower bottom of the sealed case S, and a support 119 that supports the entire case S is provided at the bottom.
is provided.
（密封接続装置）
しかして、本実施例の密封接続装置は、この作業用密封
ケースＳ内において、流体管Ｐ側に装着される接続部と
、挿入される流体制御弁Ｖ側に装着される接続部とから
なる。(Sealing Connection Device) Therefore, the sealing connection device of this embodiment is installed in the working sealed case S at the connection part attached to the fluid pipe P side and to the inserted fluid control valve V side. It consists of a connecting part.
すなわち、この密封接続装置は流体弁Ｖを挟んで、流体
管Ｐ側の左右に配される固定接続環ｌと、流体制御弁Ｖ
側においてこの固定接続環１に対応して配される外側環
３と内側環４とからなる可動接手環２とを主たる構成と
して含む。That is, this sealing connection device includes a fixed connection ring l arranged on the left and right sides of the fluid pipe P side with the fluid valve V in between, and a fluid control valve V.
The main structure includes a movable joint ring 2 consisting of an outer ring 3 and an inner ring 4 arranged in correspondence with the fixed connection ring 1 on the side.
また、本密封接続装置には、補助的構成として、介装環
６．摺動案内具７及び引寄せ具８が含まれ、この密封接
続装置の装着操作に供される。The present sealed connection device also includes an intervening ring 6 as an auxiliary structure. A sliding guide tool 7 and a pulling tool 8 are included, and are used for the installation operation of this sealing connection device.
以下、この密封接続装置の各部の細部構造を説明する。The detailed structure of each part of this sealed connection device will be explained below.
なお、以下の説明において、前部及び後部を流体弁Ｖを
中心にしてこの流体弁に向かう側を前部、この流体弁か
ら離れる側を後部と定義する。In the following description, the front and rear parts are defined as the side facing the fluid valve V as the front part, and the side facing away from the fluid valve as the rear part.
第４図は本密封接続装置を取り出して示したものである
。FIG. 4 shows the present sealed connection device taken out.
固定接続環１は二つ割体よりなり、管Ｐの回りにバッキ
ング１０をもって水密に装着され、前部において環状の
水平方向に突出する水平鰐１１と管径方向の外方へ突出
するフランジ部１２とを存する。また、後部において、
外方に突出するフランジ部１３が、内方にはゴム輪収容
凹部１４が形成され、ゴム輪収容凹部１４内にはゴム輪
１５が収容されるとともにフランジ部１３と締付はボル
ト１６を介して係合する押輪１７によって押圧される。The fixed connecting ring 1 is made of a two-piece body, and is watertightly attached around the pipe P with a backing 10, and has an annular horizontal ring 11 projecting in the horizontal direction at the front part and a flange part projecting outward in the pipe radial direction. There are 12. Also, at the rear,
A flange portion 13 protrudes outward, and a rubber ring accommodating recess 14 is formed inwardly. A rubber ring 15 is accommodated in the rubber ring accommodating recess 14 and is connected to the flange portion 13 via bolts 16. It is pressed by the press ring 17 that engages with the press ring 17.
伸縮接手環２は一体ものの管状体である外側環３と内側
環４との組合わせによって伸縮機能をもつ
もっと詳しくは、外側環３の後部には、固定接続環１の
前部形状に嵌合対応するように、フランジ部１２に衝接
するフランジ部１９が、また、水平鍔１１を受は入れる
ように直角状に折り曲げられた直角凹部２０が形成され
てなる。The extensible joint ring 2 has an extensible function due to the combination of an outer ring 3 and an inner ring 4, which are integral tubular bodies.More specifically, the rear part of the outer ring 3 is fitted with the shape of the front part of the fixed connecting ring 1. Correspondingly, a flange portion 19 that abuts against the flange portion 12 is also formed with a right-angled recess 20 bent at a right angle to receive the horizontal collar 11.
フランジ部１２．１９は対応する位置に開設されたボル
ト挿通孔に挿通された締付はボルト２１によって互いに
締め付けられる。しかして、この直角凹部２０の鉛直壁
面２０ａはその内径端が少なくとも流体管Ｐの内径に敗
るまで延設される。The flange portions 12 and 19 are inserted into bolt insertion holes opened at corresponding positions and are tightened together by bolts 21. Thus, the vertical wall surface 20a of the right-angled recess 20 extends until its inner diameter end at least meets the inner diameter of the fluid pipe P.
すなわち、直角凹部２０は流体管Ｐの内面に突出しても
よいが、流体抵抗を増大させ不利となる。That is, although the right-angled recess 20 may protrude into the inner surface of the fluid pipe P, this increases fluid resistance, which is disadvantageous.
そして、この鉛直壁面２０ａにシール材２２が固定装着
される。シール材２２は所定厚さの環状板をなす。また
、直角凹部２０の円周壁面２０ｂ内には環状溝が形成さ
れ、バッキング２３が嵌装される。該バッキング２３は
固定接続環１の水平鍔１１に当接し、水密作用をなす。A sealing material 22 is fixedly attached to this vertical wall surface 20a. The sealing material 22 forms an annular plate with a predetermined thickness. Further, an annular groove is formed in the circumferential wall surface 20b of the right-angled recess 20, into which the backing 23 is fitted. The backing 23 abuts against the horizontal collar 11 of the fixed connection ring 1 to provide a watertight effect.
外側環３の前部には、フランジ２５が外方に張設され、
該フランジ部２５には円筒方向に所定間隔にわたって水
平ねし孔２６が管軸に平行して開設される。該水平ねし
孔２６に押出しねし２７が螺装される。A flange 25 is stretched outward at the front part of the outer ring 3,
Horizontal threaded holes 26 are formed in the flange portion 25 at predetermined intervals in the cylindrical direction, parallel to the tube axis. An extrusion screw 27 is screwed into the horizontal screw hole 26.
外側環３の前端部内側には所要幅の環状突状体２９が突
設され、その内周面にバンキング溝が凹設され、該バッ
キング溝にバッキング３０が装着される。An annular protrusion 29 of a required width is protruded from inside the front end of the outer ring 3, and a banking groove is formed in the inner peripheral surface of the annular protrusion 29, into which a backing 30 is attached.
内側環４は、外側環３の本体の内径内に重合して配され
、その後端部にはねし孔が周方向に所定間隔にわたって
開設され、咳ねし孔に螺装されたロックねし３２が外側
環３の環状体２９に衝接し、内・外側環３．４相互のＳ
脱阻止をなす。The inner ring 4 is disposed overlappingly within the inner diameter of the main body of the outer ring 3, has screw holes at its rear end extending at predetermined intervals in the circumferential direction, and has lock screws screwed into the screw holes. 32 collides with the annular body 29 of the outer ring 3, and the S between the inner and outer rings 3.4
To prevent escape.
内側環４の前部にはフランジ部３４が外方に張設され、
取付はボルト３５をもって流体弁Ｖに固定される。該フ
ランジ部３４はまた、外側環３のフランジ部２５に螺装
された押出しねじ２７の当接体ともなる。A flange portion 34 is stretched outwardly at the front part of the inner ring 4,
For installation, it is fixed to the fluid valve V using bolts 35. The flange portion 34 also serves as an abutting body for the extrusion screw 27 threaded onto the flange portion 25 of the outer ring 3.
以上の構成よりなる本実施例の密封接続装置において、
後記する摺動案内具７との関連のため、フランジ部１２
．１９は同一径とされる。In the sealed connection device of this embodiment having the above configuration,
Due to the relationship with the sliding guide 7 to be described later, the flange portion 12
．． 19 have the same diameter.
再び、第１図及び第２図に戻って、介装環６、摺動案内
具７、引寄せ具８、その他の部材につむ旭で説明する。Returning again to FIGS. 1 and 2, the explanation will be made with reference to the intervening ring 6, sliding guide 7, pulling tool 8, and other members.
（介装環６）
介装環６は少なくとも二つ割体よりなり、密閉ケースＳ
の当て板１０７と本密封接続装置の固定接続環１のフラ
ンジ部１３との間に当接介装され、固定接続環１の前端
部すなわち水平鰐１１の前端が切断部に臨むようにされ
る。(Intervening ring 6) The intervening ring 6 is made up of at least two halves, and has a sealed case S.
The contact plate 107 and the flange portion 13 of the fixed connection ring 1 of the present sealed connection device are interposed in contact with each other, so that the front end of the fixed connection ring 1, that is, the front end of the horizontal crocodile 11 faces the cutting part. .
（摺動案内具７）
摺動案内具７は流体弁Ｖを含む密封接続装置を下方にお
いて支持し、かつ、密封接続装置が管軸方向に移動する
際の案内をなす機能をもつ。(Sliding guide tool 7) The sliding guide tool 7 has the function of supporting the sealing connection device including the fluid valve V below and guiding the sealing connection device when it moves in the tube axis direction.
もっと詳しくは、密閉ケースＳの底部の中央部に位置し
て案内箱４０が配され、一方、基台４１は該案内箱４０
の内壁に沿って上下動自在に嵌装される基柱４２と該基
柱４２上の平板４３とからなる。案内箱４０と基柱４２
とはねし棒４５によって連動され、また基柱４２の側面
にはキー溝が縦設されるとともに該キー溝に密閉ケース
Ｓ側に固定されたキー４６が嵌装され、これによってね
し棒４５の回動とともに基柱４２が共回りすることなく
上下動するようにされている。基台４１の平板４３上に
案内用のパイプ４日が相差べて配される。しかして、こ
の案内用パイプ４８上に密封接続装置を構成する固定接
続環１及び可動接手環２のフランジ部１２．１９の下方
部の外端面が当接される。More specifically, a guide box 40 is disposed at the center of the bottom of the sealed case S, and a base 41 is attached to the guide box 40.
It consists of a base column 42 fitted so as to be vertically movable along the inner wall of the base 42, and a flat plate 43 on the base column 42. Information box 40 and base pillar 42
A key groove is provided vertically on the side surface of the base column 42, and a key 46 fixed to the sealed case S side is fitted into the key groove, thereby interlocking the lever rod 45. When the base column 45 rotates, the base column 42 moves up and down without rotating together. Four guiding pipes are arranged on the flat plate 43 of the base 41 in a different manner. The outer end surfaces of the lower portions of the flange portions 12.19 of the fixed connection ring 1 and the movable joint ring 2 constituting the sealing connection device are thus brought into contact with the guide pipe 48.
（引寄せ具８）
引寄せ具８は密閉ケースＳの軸方向両側面に設けられ、
密閉ケースＳ外からの操作により可動接手環２を引き寄
せる機能を奏する。(Pulling tool 8) The drawing tool 8 is provided on both sides of the sealed case S in the axial direction,
It has the function of pulling the movable joint ring 2 by operation from outside the sealed case S.
もっと詳しくは、密閉ケースＳの側面に円孔５０が開設
され、該円孔５０に臨んで案内筒５２がケースＳの外部
に固設され、この案内筒５２内に移動軸５３がケースＳ
の内部にまで延設して配されている。案内筒５２と移動
軸５３とはねし棒５４によって連動されるとともに、ね
じ棒５４の回動により移動軸５３は前後に移動する。移
動軸５３の先端部には係合子５５が取り付けられ、その
後端面５５ａを伸縮接続環２のフランジ部１９に係合さ
せる。More specifically, a circular hole 50 is formed in the side surface of the sealed case S, a guide tube 52 is fixedly installed outside the case S facing the circular hole 50, and a moving shaft 53 is installed inside the guide tube 52.
It extends into the interior of the building. The guide cylinder 52 and the moving shaft 53 are interlocked by a spring rod 54, and the rotating shaft 54 moves the moving shaft 53 back and forth. An engaging member 55 is attached to the distal end of the moving shaft 53, and its rear end surface 55a is engaged with the flange portion 19 of the telescopic connection ring 2.
案内筒５２にはＵ字状の溝５７が形成され、この溝５７
内に移動軸５３にその基部が固設された操作レバー５８
が突出状に挿通されている。溝５７はそれぞれ部分５７
ａ、５７ｂ、５７ｃからなり、例えば、操作レバー５８
が部分５７ａにあるときは係合子５５は非係合子状態に
あり、部分５７ｂで反転し、部分５７ｃで係合状態とな
る（第３図参照）。A U-shaped groove 57 is formed in the guide tube 52.
an operating lever 58 whose base is fixed to the moving shaft 53;
is inserted in a protruding manner. The grooves 57 each correspond to a portion 57.
a, 57b, and 57c, for example, the operating lever 58
When is in the portion 57a, the engager 55 is in a non-engager state, reversed in the portion 57b, and in the engaged state in the portion 57c (see FIG. 3).
（流体弁Ｖ）
本実施例の流体弁Ｖはいわゆる螺形弁であって、弁箱内
に収容された弁体１３０は弁棒１３２の回動により開閉
動作を行う０図は開状態を示す。(Fluid Valve V) The fluid valve V of this embodiment is a so-called spiral valve, and the valve body 130 housed in the valve box opens and closes by rotating the valve stem 132. Figure 0 shows the open state. .
本密封接続装置の伸縮接手環２はこの流体弁の弁箱に直
接的に固設される。The telescopic joint ring 2 of the present sealing connection device is directly fixed to the valve body of this fluid valve.
弁棒１３２はその上端のフランジ１３３を介して、後記
する挿入装置の昇鋒軸１３５の下端に装着された接続体
１３６を介して連結される。The valve rod 132 is connected via a flange 133 at its upper end to a connecting body 136 attached to the lower end of a lifting shaft 135 of an insertion device to be described later.
また、流体弁Ｖの側方から横梁部材１３８が張設され、
横梁部材１３８の両端部は前記した密閉ケースＳの案内
レール１１５に摺動自在に係合する。Further, a cross beam member 138 is stretched from the side of the fluid valve V,
Both ends of the cross beam member 138 are slidably engaged with the guide rails 115 of the sealed case S described above.
（実施例方法）
上記の本実施例の密封接続装置を使用して行われる流体
制御弁の不断水設置方法を第５図以降の図面に基づいて
説明する。なお、第１Ｇ及び第２図はその施工途中を示
し、第４図は終了状態を示す。(Example Method) A method for installing a fluid control valve without water interruption using the sealing connection device of the present example described above will be described based on the drawings from FIG. 5 onwards. Note that FIGS. 1G and 2 show the construction in progress, and FIG. 4 shows the completed state.
（１）先ず、第５図に示すように、流体管Ｐの流体制御
弁配設位置の地盤Ｅを掘削して作業空間Ｆを確保する。(1) First, as shown in FIG. 5, a work space F is secured by excavating the ground E where the fluid control valve of the fluid pipe P is installed.
この際、該掘削穴の底部の地盤が十分な地耐力を有する
ように地盤処理されることが好ましい。At this time, it is preferable that the ground at the bottom of the excavated hole be treated so that it has sufficient bearing capacity.
流体制御弁設置位置の配水主管Ｐに切断機Ｈを取り付け
た後、その外側に本密封接続装置の固定接続環１をそれ
ぞれ装着する。After the cutting machine H is attached to the water distribution main pipe P at the fluid control valve installation position, the fixed connection ring 1 of the present sealed connection device is attached to the outside thereof.
図において２００は切断機Ｈの駆動軸であり、２０２は
その上端の接手部である。In the figure, 200 is a drive shaft of the cutting machine H, and 202 is a joint at its upper end.
（２）作業用密閉ケースＳの下ケース１０１を脚１１９
を介して流体管２回りに取り付ける（第６図参照）、ま
た、ケースＳの当て金１０７と固定接続環Ｉの後端の間
に介装環６を設置し、摺動案内具７もその案内パイプ４
８のレベルを調整して設置する。(2) Attach the lower case 101 to the leg 119 of the sealed work case S.
(see Fig. 6).In addition, an intervening ring 6 is installed between the back end of the case S and the rear end of the fixed connection ring I, and the sliding guide 7 is also installed around the fluid pipe 2. Guide pipe 4
Adjust the level of 8 and install.
次いで、作業用密閉ケースＳの上ケース１０２を被せ、
作業用密閉ケースＳを一体的に組み立てる。このとき密
閉ケースＳの両端の開口部は）＜ツキング１０８及び押
輪１０９をもって水密に、かつ離脱防止金具ＩＩＩを効
かず、しかる後、盲蓋Ｉを被せ、この状態で水圧テスト
を行う（第７図参照）。Next, cover the upper case 102 of the sealed work case S,
Assemble the sealed work case S integrally. At this time, the openings at both ends of the sealed case S are made watertight with the fitting 108 and push ring 109, and the detachment prevention metal fitting III is disabled.Then, the blind lid I is covered, and a water pressure test is conducted in this state (7th (see figure).
（３）水田状態が維持されていることが確認できれば、
盲１［１を外し、作業用ケースＳ上にそのフランジ１１
４を介して作業用制水弁Ｊ、更に、接続筒Ｋを水密に取
り付ける。該接続ＷＭＫには作業用窓が備わっている。(3) If it is confirmed that the paddy field condition is maintained,
Remove blind 1 [1 and place its flange 11 on work case S.
4, the working water control valve J and further the connecting tube K are attached watertightly. The connected WMK is equipped with a working window.
なお、このとき、作業用制水弁Ｊは開状態となっている
（第８図参照）。At this time, the working water control valve J is in an open state (see FIG. 8).
（４）シかる後、切断機Ｈの駆動装置りを取り付ける（
第９図参照）。(4) After cutting, install the drive device of cutting machine H (
(See Figure 9).
第１０図は密閉ケースＳ内での駆動装置りの駆動軸２０
４と切断ＩＩＨの駆動軸２００との連結状態を示す０図
から判るように、両者の連結は接続筒にの作業用窓を介
して作業用制水弁Ｊの下方近傍でなされる。Figure 10 shows the drive shaft 20 of the drive device inside the sealed case S.
4 and the drive shaft 200 of the cutting IIH, the connection between the two is made near the bottom of the working water control valve J through the working window in the connecting tube.
また、引寄せ具８はその操作レバー５８が案内溝５７ａ
部分にあり非係合状態となっている。Further, the pulling tool 8 has its operating lever 58 in the guide groove 57a.
It is in a disengaged state.
この状態で切断機Ｈを駆動し、流体管Ｐを切断してゆく
、この切断１１Ｈの切断機構は公知のもであって、駆動
１１に２００の回転は傘歯車機構によって２方向に振り
分けられ、更に歯車機構並びにチェーン機構を介して切
削バイトを流体管Ｐの外周面に当接させるとともに流体
管２回りに回転させ、流体管Ｐを直管状に切断する。In this state, the cutting machine H is driven to cut the fluid pipe P. The cutting mechanism for this cutting 11H is a known one, in which 200 rotations of the drive 11 are distributed in two directions by a bevel gear mechanism. Further, a cutting tool is brought into contact with the outer circumferential surface of the fluid pipe P via a gear mechanism and a chain mechanism and rotated around the fluid pipe 2 to cut the fluid pipe P into a straight pipe shape.
この切断に伴い、流体管Ｐ内の流体は作業用密閉ケース
Ｓ、作業用制水弁Ｊ、接続筒に内に充満するが、外部に
溢れ出ることなく、不断水で作業される。また、その切
粉は密閉ケースＳの下底のドレーン管１１Ｂより排出と
ともに排出される。As a result of this cutting, the fluid in the fluid pipe P fills the working sealed case S, the working water control valve J, and the connecting cylinder, but the work is performed without overflowing to the outside without water interruption. Further, the chips are discharged from the drain pipe 11B at the bottom of the sealed case S.
（５）流体管Ｐの切断作業が完了すれば、切断片を抱持
したまま切断機Ｈを引き上げる。(5) When the cutting work of the fluid pipe P is completed, pull up the cutting machine H while holding the cut piece.
そして、切断ＩＩＨが作業用制水弁Ｊを通過した時点で
作業用制水弁Ｊを閉し、しかる後、切断機Ｈ並びにその
駆動装置りを取り外す（第１１図参照）。Then, when the cutting IIH passes through the working water control valve J, the working water control valve J is closed, and then the cutting machine H and its driving device are removed (see FIG. 11).
（６）次いで、流体弁■を装着した流体弁の挿入装置Ｍ
を接続筒に上に取り付ける（第１２図）。このとき、流
体弁■には接手環２が収縮状態で装着されるとともに、
押出しねし２７は装着されておらず、また、昇［１ｋ１
３５は収縮された状態となっている。流体弁■は接続筒
に内に水密に収容される。(6) Next, the fluid valve insertion device M equipped with the fluid valve ■
Attach the top to the connecting tube (Fig. 12). At this time, the joint ring 2 is attached to the fluid valve ■ in a contracted state, and
The push-out screw 27 is not installed, and the lift [1k1
35 is in a contracted state. The fluid valve (1) is housed in the connecting tube in a watertight manner.
しかる後、作業用制水弁Ｊを開け、挿入装置Ｍを駆動し
て流体弁■を作業用密封ケースＳ内へ押し込んでゆ（。After that, open the working water control valve J, drive the insertion device M, and push the fluid valve ■ into the working sealed case S (.
このとき、流体弁■は作業用密封ケースＳ内の案内レー
ル１１５に沿って鋒下されるので、切断部への挿入は容
易になされる。At this time, the fluid valve (2) is lowered along the guide rail 115 inside the working sealed case S, so that it can be easily inserted into the cutting section.
（７）引寄せ具８を操作して、伸縮接手環２を接続環１
の方向に向けて引き寄せる。(7) Operate the pulling tool 8 to move the telescopic joint ring 2 to the connecting ring 1
Pull it in the direction of.
第１３図はその初期の状態を示す。FIG. 13 shows its initial state.
引寄せ具８は一旦前進させ、次いで反転させたのち、そ
の係合子５５を伸縮接手環２のフランジ部１９に係合す
る。The pulling tool 8 is once advanced, then reversed, and then the engaging member 55 is engaged with the flange portion 19 of the telescopic joint ring 2.
この状態で、引寄せ具８のねし棒５５を更に回動させ、
移動軸５３を引き戻してゆく。In this state, further rotate the tension rod 55 of the pulling tool 8,
The moving shaft 53 is pulled back.
第１４図は引寄せを完了した状態を示す。FIG. 14 shows a state in which the pulling has been completed.
図示されるように、伸縮接手環２の外側環３は切断部を
跨いで固定接続環１に水密に嵌合し、かつ外側環３に装
着されたシール材２２は切口面Ｑに押圧当接されている
。これにより、流体管Ｐ内の流水は完全に止水された状
態となる。As shown in the figure, the outer ring 3 of the telescopic joint ring 2 is watertightly fitted into the fixed connection ring 1 across the cut portion, and the sealing material 22 attached to the outer ring 3 is pressed against the cut surface Q. has been done. As a result, the water flowing in the fluid pipe P is completely stopped.
（８）作業用密閉ケースＳ内の流水をドレーン管１１８
を介して排水し、第１５図に示すように、その密閉ケー
スＳ内で押出しねし２７を回動して伸縮接手ｆｆ１２の
外側環３を更に押し込み、そのシー部材２２を切口面Ｑ
に強圧する。(8) The drain pipe 118 drains the running water inside the sealed work case S.
As shown in FIG.
forcefully.
しかる後、作業用密閉ケースＳ、作業用制水弁Ｊ、接続
筒に等が取り外され、密閉＃続装置においては固定接続
環１の後部にバッキング１５及び押輪１７を装着して水
密性を保持する。After that, the work sealing case S, the work water control valve J, the connecting tube, etc. are removed, and in the sealing connection device, a backing 15 and push ring 17 are attached to the rear of the fixed connection ring 1 to maintain watertightness. do.
なお、この工程において、作業用密閉ケースＳ内の流水
を排水すれば、作業用密閉ケースＳを直ちに取り外して
もよい。In addition, in this step, if the running water in the sealed working case S is drained, the sealed working case S may be immediately removed.
（９）第１６図に示すように、流体弁Ｖに開閉作動装置
ｌＮを装着し、また、必要に応じて流体弁Ｖの下部に基
礎台０を設置する。(9) As shown in FIG. 16, the opening/closing actuator IN is attached to the fluid valve V, and the base 0 is installed at the bottom of the fluid valve V if necessary.
しかる後、所定の弁室処理をなし、地盤Ｅを埋め戻す。After that, a predetermined valve chamber treatment is performed and the ground E is backfilled.
このように、本実施例方法によれば、流体弁Ｖの切断部
への挿入設置において、作業用密閉ケースＳの底部に設
けた摺動案内具７と本密封接続装置の各フランジ１２．
１９との摺動作用により、軸方向の移動が案内され、そ
の挿入設置作業が円滑かつ容易になされる。As described above, according to the method of this embodiment, when inserting and installing the fluid valve V into the cutting part, the sliding guide 7 provided at the bottom of the working sealing case S and each flange 12 of the sealing connection device.
The sliding action with 19 guides the movement in the axial direction, making the insertion and installation work smooth and easy.
また、切断部の切口面Ｑはシール材２２によって密封封
止され、当該切口面Ｑからの発錆は防止される。Further, the cut surface Q of the cut portion is hermetically sealed with a sealing material 22, and rusting from the cut surface Q is prevented.
本発明は上記実施例に限定されるものではなく、本発明
の基本的技術思想の範囲内で種々設計変更が可能である
。すなわち、以下のｔ＝ｍは本発明の技術的範囲内に包
含される。The present invention is not limited to the above-described embodiments, and various design changes can be made within the scope of the basic technical idea of the present invention. That is, the following t=m is included within the technical scope of the present invention.
■密封接続装置において、伸縮接手環２が伸縮自在とな
っていること、及びシール材２２を抱持することが必須
であり、その他の構成は実施例の構成に限定されず、適
宜変更されうる。■In the sealing connection device, it is essential that the expandable joint ring 2 is expandable and that it holds the sealing material 22, and other configurations are not limited to the configurations of the embodiments and may be changed as appropriate. .
すなわち、固定接続環１は三つ側以上であってもよく、
また、それらの後部の水密性を流体管との溶着によって
なしてもよい、伸縮接手環２の前部の流体弁■との固着
は溶着等の適宜手段を採りうる。固定接続環１と伸縮接
手環２との密封はノぐッキング２３の外にフランジ部１
２とフランジ部１９との間に介装されるガスケントもし
くはノでンキングによることができる。That is, the fixed connecting ring 1 may have three or more sides,
Further, the watertightness of the rear part thereof may be achieved by welding to the fluid pipe, and the fixation of the front part of the extensible joint ring 2 to the fluid valve (2) may be achieved by appropriate means such as welding. The fixed connection ring 1 and the expandable joint ring 2 are sealed by using a flange part 1 outside the nogging 23.
It is possible to use a gasket or a seal interposed between the flange portion 2 and the flange portion 19.
第１７図は固定接続環１と伸縮接手環２との他の嵌合ａ
様を示す。FIG. 17 shows another fitting a between the fixed connection ring 1 and the telescopic joint ring 2.
to show the appearance.
図示されるように、固定接続環１においては水平鍔が省
略され、それに代って凹部７０が形成され、伸縮接手環
２においてはフランジ部Ｉ９から後方へ突出する水平鍔
７１が設けられる。接手環２のフランジ部１９が固定接
続環ｌのフランジ部１２に衝接するとき、水平鰐７１は
凹部７ｏに入り込みそのバッキング７２によって水密を
保持し、更に、接手環３の直角凹部２０に装着されたシ
ール材２２は流体管Ｐの切口面Ｑに当接し、切口面Ｑを
封止する。As shown in the figure, the horizontal collar is omitted in the fixed connection ring 1 and a recessed portion 70 is formed in its place, and the expandable joint ring 2 is provided with a horizontal collar 71 that projects rearward from the flange portion I9. When the flange portion 19 of the joint ring 2 collides with the flange portion 12 of the fixed connection ring l, the horizontal crocodile 71 enters the recess 7o and maintains watertightness with its backing 72, and is further attached to the right angle recess 20 of the joint ring 3. The sealed sealing material 22 contacts the cut surface Q of the fluid pipe P and seals the cut surface Q.
■本発明方法・装置は流体制御弁の設置にのみ通用され
るものではなく、その他の用途、例えば流量計の設置に
適用でき、要はその対象物に伸縮接手環２を装着させう
れば足りる。■The method and device of the present invention are not only applicable to the installation of fluid control valves, but can also be applied to other uses, such as the installation of flow meters; in short, it is sufficient to attach the telescopic joint ring 2 to the object. .
ハ３発明の効果 本発明によれば、以下の特をの効果を有する。C3 Effects of the invention According to the present invention, the following special effects are achieved.
直管状に切断された流体管の切口面は本密封接続装置に
把持されたシール部材によって密封封止され、当該切口
面からの発錆を確実に防止することができる。The cut surface of the fluid pipe cut into a straight pipe shape is hermetically sealed by the sealing member held by the present sealing connection device, and it is possible to reliably prevent rust from forming on the cut surface.
図面は本発明の流体制御弁等の不断水設置方法及びその
密封接続装置の実施例を示すものであって、第１図は本
発明方法の施工途中の全体断面図、第２図はその一部断
面側面図、第３図（ａ）は第１図のｘｗＡ矢視図挽回ｂ
）図ハ（ａ）図のｙ−ｙｙ線断面図、第４図（ａ） は
本発明装置の要部拡大図、（ｂ）図は（ａ） ７のＡ部
の拡大図、第５図は初期工程図、第６図は第５図に続く
工程図、第７図は第６図に続く工程図、第８図は第７図
に続く工程図、第９図は切断工程を示す図、第１０図は
切断状態の内部部、第１１図は切断機及び切断片の引上
げ工程図、第１２図は流体弁の挿入工程図、第１３図は
流体弁の接続操作の初期工程図、第１４図は流体弁の接
続操作の中間工程図、第１５図は流体弁の接続操作の完
了工程図、第１６図は流体弁の設置終了図、第１７図は
接続環と接手環との他の対接態様図である。
Ｐ・・・流体管、Ｑ・・・切口面、Ｓ・・・作業用密閉
ケース、■・・・流体弁、１・・・固定接続環、２・・
・伸縮接手環、
２
２・・・シール部材The drawings show an embodiment of the method for installing a fluid control valve, etc. without interruption of water supply and its sealing device according to the present invention. Partial cross-sectional side view, Fig. 3 (a) is a return of the xwA arrow view of Fig. 1 b
) Figure 4(a) is an enlarged view of the main parts of the device of the present invention, Figure 4(b) is an enlarged view of section A in Figure 7 (a), Figure 5 is an initial process drawing, Fig. 6 is a process drawing following Fig. 5, Fig. 7 is a process drawing following Fig. 6, Fig. 8 is a process drawing following Fig. 7, and Fig. 9 is a drawing showing the cutting process. , FIG. 10 shows the inside of the cutting state, FIG. 11 shows the cutting machine and the process of pulling up the cut piece, FIG. 12 shows the process of inserting the fluid valve, and FIG. 13 shows the initial process of connecting the fluid valve. Fig. 14 is an intermediate process diagram of the fluid valve connection operation, Fig. 15 is a completed process diagram of the fluid valve connection operation, Fig. 16 is a completion diagram of the fluid valve installation, and Fig. 17 is a diagram of the connection ring and joint ring. FIG. 7 is a diagram of another connection mode. P... Fluid pipe, Q... Cut surface, S... Closed case for work, ■... Fluid valve, 1... Fixed connection ring, 2...
・Extendable joint ring, 2 2...Seal member
Claims (1)
状に切断し、次いで当該切断部に流体制御弁を挿入設置
する流体制御弁の不断水設置方法において、 予め流体制御弁の設置箇所の両側に相当する管周面にそ
れぞれ固定接続環を装着する工程、切断機で流体管を切
断した後、その切除部に、前記固定接続環側の切口端面
に当接されるシール材を抱持した伸縮可能な伸縮接手環
を収縮状態で装着した流体制御弁を挿着する工程、 前記可動接手環を管軸方向に伸張して前記固定接続環に
水密に係合する工程、 からなる流体制御弁の不断水設置方法。 ２）請求項１において、流体制御弁に代えて流量計を設
置する不断水設置工法。 ３）流体制御弁の挿入設置箇所の両側の管周面に水密に
固定装着される固定接続環と、 挿入設置される流体制御弁において、前記固定接続環に
対応して装着され、流体管の切口部に当接されるシール
材を抱持した管軸方向に伸縮可能な伸縮接手環と、 からなることを特徴とする密封接続装置。[Scope of Claims] 1) A method for installing a fluid control valve without water interruption, in which a fluid pipe is cut into a straight pipe by a cutting machine in a sealed case, and then a fluid control valve is inserted and installed into the cut portion, comprising: The process of attaching fixed connection rings to the pipe peripheral surfaces corresponding to both sides of the valve installation location, after cutting the fluid pipe with a cutting machine, the cut end surface of the fixed connection ring side is brought into contact with the cut part. a step of inserting a fluid control valve equipped with a retractable extensible joint ring holding a sealing material in a contracted state; and a step of extending the movable joint ring in the pipe axis direction to engage the fixed connection ring in a watertight manner. , A method for installing a fluid control valve without water interruption, consisting of: 2) The method of installing without water interruption according to claim 1, in which a flow meter is installed in place of the fluid control valve. 3) A fixed connection ring that is fixedly attached to the pipe peripheral surface on both sides of the insertion location of the fluid control valve in a watertight manner, and a fixed connection ring that is attached corresponding to the fixed connection ring in the fluid control valve to be inserted and installed, and that is attached to the fluid pipe. A sealing connection device comprising: an expandable joint ring that is expandable and retractable in the direction of the tube axis and that holds a sealing material that comes into contact with a cut portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6895990A JP2649426B2 (en) | 1990-03-19 | 1990-03-19 | Non-stop water installation method such as fluid control valve and hermetic connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6895990A JP2649426B2 (en) | 1990-03-19 | 1990-03-19 | Non-stop water installation method such as fluid control valve and hermetic connection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03272389A true JPH03272389A (en) | 1991-12-04 |
| JP2649426B2 JP2649426B2 (en) | 1997-09-03 |
Family
ID=13388722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6895990A Expired - Fee Related JP2649426B2 (en) | 1990-03-19 | 1990-03-19 | Non-stop water installation method such as fluid control valve and hermetic connection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2649426B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006112540A (en) * | 2004-10-15 | 2006-04-27 | Cosmo Koki Co Ltd | Cut opening anti-rust method in installation construction of insertion body |
| JP2007046680A (en) * | 2005-08-09 | 2007-02-22 | Cosmo Koki Co Ltd | Swash member installation device |
| JP2013122275A (en) * | 2011-12-09 | 2013-06-20 | Waterworks Technology Development Organization Co Ltd | Fluid equipment connecting structure of existing pipe and collar used for the same |
| WO2021163710A1 (en) * | 2020-02-14 | 2021-08-19 | Jeffrey Maichel | Insert valve and method of insertion into pressurized pipelines |
| US11892115B2 (en) | 2021-10-25 | 2024-02-06 | Jeffrey L. Maichel | Valve insertion tool |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4293413B2 (en) * | 2002-05-28 | 2009-07-08 | コスモ工機株式会社 | Fluid valve installation method in the continuous water cutting method |
| JP4717409B2 (en) * | 2004-10-15 | 2011-07-06 | コスモ工機株式会社 | Rust prevention method for the cutting edge in the installation work of the insert |
| JP4919638B2 (en) * | 2005-09-16 | 2012-04-18 | コスモ工機株式会社 | Water control body installation device |
-
1990
- 1990-03-19 JP JP6895990A patent/JP2649426B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006112540A (en) * | 2004-10-15 | 2006-04-27 | Cosmo Koki Co Ltd | Cut opening anti-rust method in installation construction of insertion body |
| JP4652014B2 (en) * | 2004-10-15 | 2011-03-16 | コスモ工機株式会社 | Rust prevention method for the cutting edge in the installation work of the insert |
| JP2007046680A (en) * | 2005-08-09 | 2007-02-22 | Cosmo Koki Co Ltd | Swash member installation device |
| JP4700435B2 (en) * | 2005-08-09 | 2011-06-15 | コスモ工機株式会社 | Water control body installation device |
| JP2013122275A (en) * | 2011-12-09 | 2013-06-20 | Waterworks Technology Development Organization Co Ltd | Fluid equipment connecting structure of existing pipe and collar used for the same |
| WO2021163710A1 (en) * | 2020-02-14 | 2021-08-19 | Jeffrey Maichel | Insert valve and method of insertion into pressurized pipelines |
| US11959577B2 (en) | 2020-02-14 | 2024-04-16 | Jeffrey Maichel | Insert valve and method of insertion into pressurized pipelines |
| US11892115B2 (en) | 2021-10-25 | 2024-02-06 | Jeffrey L. Maichel | Valve insertion tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2649426B2 (en) | 1997-09-03 |
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