JP2694091B2 - Method of closing ball insertion hole of pipe and its closing tool - Google Patents
Method of closing ball insertion hole of pipe and its closing toolInfo
- Publication number
- JP2694091B2 JP2694091B2 JP4194060A JP19406092A JP2694091B2 JP 2694091 B2 JP2694091 B2 JP 2694091B2 JP 4194060 A JP4194060 A JP 4194060A JP 19406092 A JP19406092 A JP 19406092A JP 2694091 B2 JP2694091 B2 JP 2694091B2
- Authority
- JP
- Japan
- Prior art keywords
- insertion hole
- main pipe
- pipe
- ball insertion
- plug
- 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.)
- Expired - Fee Related
Links
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
- F16L55/10—Means for stopping flow from or in pipes or hoses
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Pipe Accessories (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ガス管等に分岐管等を
接続するとき、ガス等の遮断に使用した玉挿入孔の閉鎖
手段に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a means for closing a ball insertion hole used for shutting off gas or the like when connecting a branch pipe or the like to a gas pipe or the like.
【０００２】[0002]
【従来の技術】従来、ガス管等の本管６の更正手段とし
て、本管６の内面に反転シールホース９を反転させなが
ら、接着剤８で接着して、この反転シールホース９の端
部を押し輪で、本管６の内面に押し付けて装着する手段
がある（図１５）。2. Description of the Related Art Conventionally, as a means for rectifying a main pipe 6 such as a gas pipe, the reverse seal hose 9 is reversed on the inner surface of the main pipe 6 while being adhered with an adhesive 8 to form an end portion of the reverse seal hose 9. There is a means for pressing and attaching to the inner surface of the main pipe 6 with a push wheel (FIG. 15).
【０００３】前記の如き反転シールホース９を装着した
本管６に、分岐管等の新管１（図１７）を接続する工事
においても、工事部分のガスを遮断するため、新管１を
接続すべき部分の両側の本管６に玉挿入孔１１を穿設し
て、ガス遮断用の膨張する玉等を挿入してガスを遮断し
ている。Even in the work of connecting a new pipe 1 (FIG. 17) such as a branch pipe to the main pipe 6 equipped with the reversal seal hose 9 as described above, the new pipe 1 is connected to shut off the gas in the construction portion. A ball insertion hole 11 is bored in the main pipe 6 on both sides of the portion to be cut, and an expanding ball or the like for gas blocking is inserted to block the gas.
【０００４】そして、新管１を接続した後、膨張した玉
等を取り除き、玉挿入孔１１を栓７１で閉鎖するのであ
るが、図１５，図１６に示すように、反転シールホース
９を装着した本管６は、反転シールホース９と本管６間
に、接着剤８の行き渡らなかった隙間が形成され、この
隙間を通って継目７等からガスが外部に漏洩することが
ある。Then, after connecting the new pipe 1, the expanded balls and the like are removed, and the ball insertion hole 11 is closed by the plug 71. As shown in FIGS. 15 and 16, the reversal seal hose 9 is attached. In the main pipe 6, a gap in which the adhesive 8 is not spread is formed between the reversal seal hose 9 and the main pipe 6, and gas may leak to the outside from the joint 7 or the like through the gap.
【０００５】そこで、従来は、図１７に示すように、分
岐管等の新管１から離れた位置にある反転シールホース
９を装着していない新管１に、玉挿入孔１１を穿設して
いる。Therefore, conventionally, as shown in FIG. 17, a ball insertion hole 11 is formed in a new pipe 1 such as a branch pipe, which is located away from the new pipe 1 and is not equipped with a reverse seal hose 9. ing.
【０００６】[0006]
【発明が解決しようとする課題】前記従来の手段では、
本管６のガス除去区間が長くなる（通常数百ｍとなる）
と共に、両端部にも立坑が必要となり、施工時間が長く
なると共に工事費も高くなった。In the above conventional means,
The gas removal section of the main pipe 6 becomes long (usually several hundred m)
At the same time, vertical shafts were required at both ends, increasing the construction time and increasing the construction cost.
【０００７】本発明は、前記事項に鑑みなされたもので
あり、反転シールホースが装着された本管であっても、
玉挿入孔を漏洩しないように閉鎖できる手段が、良好に
実施できるようにすることを技術的課題とする。The present invention has been made in view of the above matters, and even a main pipe equipped with an inverted seal hose,
A good way to prevent the ball insertion hole from leaking is to improve
Making it possible is a technical issue.
【０００８】[0008]
【課題を解決するための手段】本発明は、前記課題を解
決するために次に記載する手段とした。第１の発明は、
新管１を接続する部分に隣接した位置の本管６に穿設し
た、玉挿入孔１１の閉鎖方法であって、前記本管６の内
側面１０に合致する円弧状面に形成された押え板３０
を、前記玉挿入孔１１を囲むＯリング３４を介在させ
て、前記内側面１０に当接させると共に、押え板３０に
立設したボルト４０を前記玉挿入孔１１に挿入し、この
ボルト４０にプラグ５５を外嵌し、このプラグ５５を玉
挿入孔１１に嵌着し、ボルト４０に螺合したナット部５
０で押え板３０を引き付けて、Ｏリング３４を本管６の
内側面１０に圧接させる管の玉挿入孔の閉鎖方法におい
て、 プラグ５５の外側からプラグ５５の下面に連通する
シール剤注入孔４５を設け、このシール剤注入孔４５か
ら、押え板３０と本管６間にシール剤７０を注入する管
の玉挿入孔の閉鎖方法とした。 In order to solve the above-mentioned problems, the present invention has the following means. The first invention is
A method of closing a ball insertion hole 11 which is formed in a main pipe 6 adjacent to a portion where a new pipe 1 is connected, the presser being formed in an arcuate surface that matches an inner surface 10 of the main pipe 6. Board 30
Is abutted on the inner side surface 10 with an O-ring 34 surrounding the ball insertion hole 11 interposed therebetween, and a bolt 40 erected on the holding plate 30 is inserted into the ball insertion hole 11. A nut portion 5 fitted with a plug 55, fitted into the ball insertion hole 11, and screwed into the bolt 40.
0 attracting pressing plate 30, the closing process the smell of ball insertion holes of the tube is pressed against the O-ring 34 to the inner surface 10 of the main pipe 6
To communicate with the lower surface of the plug 55 from the outside of the plug 55.
A sealing agent injection hole 45 is provided, and the sealing agent injection hole 45
A pipe for injecting the sealing agent 70 between the holding plate 30 and the main pipe 6.
The ball insertion hole was closed.
【０００９】[0009]
【００１０】第２の発明は、本管６の内側面１０の円弧
状面に合致する円弧状の表面に形成した押え板３０を設
け、この押え板３０に中心部からボルト４０を立設し、
ボルト４０を玉挿入孔閉鎖用のプラグ５５に挿通して、
ナット部５０を螺合した管の玉挿入孔閉鎖具において、
プラグ５５の外側からプラグ５５の下面に連通するシー
ル剤注入孔４５と空気抜き孔５７を設けて管の玉挿入孔
閉鎖具とした。 A second aspect of the present invention is to provide a holding plate 30 formed on an arcuate surface that matches the arcuate surface of the inner surface 10 of the main pipe 6, and to hold the bolt 40 upright from the center of the holding plate 30. ,
Insert the bolt 40 into the plug 55 for closing the ball insertion hole,
In a ball insertion hole closing tool for a pipe in which a nut portion 50 is screwed ,
A seal communicating from the outside of the plug 55 to the bottom surface of the plug 55.
The ball injection hole 45 and the air vent hole 57 are provided to insert a ball into the tube.
It was used as a closure.
【００１１】[0011]
【００１２】[0012]
【作用】本発明は、本管６の玉挿入孔１１が設けられた
部分の内側面１０（本管６内に反転シールホース９が装
着されている場合は、その反転シールホース９の内側か
ら、また、反転シールホース９が装着されていない場合
は、本管６内側に直接）に、前記玉挿入孔１１を囲むＯ
リング３４を介在させて、押え板３０を当接させ、押え
板３０に立設したボルト４０を前記玉挿入孔１１に挿入
する。 According to the present invention, the inner surface 10 of the portion of the main pipe 6 where the ball insertion hole 11 is provided (when the reverse seal hose 9 is installed in the main pipe 6, the inside of the reverse seal hose 9 is Further, when the reversal seal hose 9 is not attached, it is directly inside the main pipe 6) that surrounds the ball insertion hole 11.
The press plate 30 is brought into contact with the ring 34 interposed, and the bolt 40 standing on the press plate 30 is inserted into the ball insertion hole 11.
【００１３】そして、前記ボルト４０にプラグ５５を外
嵌し、この外嵌したプラグ５５を前記玉挿入孔１１に嵌
着し、ボルト４０にナット部５０を螺合して押え板３０
を引き付け、前記Ｏリング３４の全周を本管６の内側面
に圧接させる。Then, a plug 55 is externally fitted to the bolt 40, the externally fitted plug 55 is fitted to the ball insertion hole 11, and a nut portion 50 is screwed to the bolt 40 to hold the pressing plate 30.
And the entire circumference of the O-ring 34 is pressed against the inner surface of the main pipe 6.
【００１４】そうすると、本管６内に反転シールホース
９が装着されている場合は、押え板３０で押圧されたＯ
リング３４が反転シールホース９を押圧して反転シール
ホース９を本管６の内面に押し付け、押え板３０と本管
６の内側面１０間を、本管６内から気密に遮断する。Then, when the reverse seal hose 9 is installed in the main pipe 6, the O pressure applied by the holding plate 30 is applied.
The ring 34 presses the reversal seal hose 9 and presses the reversal seal hose 9 against the inner surface of the main pipe 6, and the space between the holding plate 30 and the inner side surface 10 of the main pipe 6 is hermetically closed from the inside of the main pipe 6.
【００１５】また、反転シールホース９が装着されてい
ない場合は、Ｏリング３４が直接本管６の内面である内
側面１０に圧接し、押え板３０と本管６の内側面１０間
を本管６内から遮断する。When the reversal seal hose 9 is not attached, the O-ring 34 is directly pressed against the inner side surface 10 of the main pipe 6 so that the space between the holding plate 30 and the inner side surface 10 of the main pipe 6 is fixed. Shut off from inside the pipe 6.
【００１６】さらに、押え板３０と本管６間に、シール
剤注入孔４５からシール剤７０が注入され、押え板３０
と本管６間が、本管６内からさらに確実に遮断される。
そして、本管６と反転シールホース９間に隙間が有る場
合には、シール剤７０の追加充填が行える。 さらに、空
気抜き孔５７は、シール剤７０が本管６と押え板３０間
に充填され、空気抜き孔５７にまで達したことを確認で
きる。 Further, a seal is provided between the holding plate 30 and the main pipe 6.
The sealant 70 is injected from the agent injection hole 45 , and the pressing plate 30
The space between the main pipe 6 and the main pipe 6 is more surely cut off from the inside of the main pipe 6.
If there is a gap between the main pipe 6 and the reversal seal hose 9,
In this case, the sealing agent 70 can be additionally filled. Furthermore, the sky
The air vent 57 has a sealant 70 between the main pipe 6 and the holding plate 30.
Be confirmed to have reached the air vent hole 57.
Wear.
【００１７】[0017]
【実施例】以下、図に基づいて本発明の実施例の説明を
する。図１ないし図１４は、本発明の一実施例の説明用
の図である。Embodiments of the present invention will be described below with reference to the drawings. 1 to 14 are views for explaining one embodiment of the present invention.
【００１８】この実施例の管の玉挿入孔閉鎖具は、主と
して図１に示されており、本管６の内側面１０の円弧状
面に合致する円弧状の表面に形成した金属製の押え板３
０を備えており、この押え板３０の表面の周縁部には、
底面が弧状に形成された環状凹溝３２が設けてある。The ball insertion hole closing device for a pipe of this embodiment is mainly shown in FIG. 1, and is a metal retainer formed on an arcuate surface which matches the arcuate surface of the inner surface 10 of the main pipe 6. Board 3
0 is provided, and the peripheral portion of the surface of the pressing plate 30 is
An annular groove 32 having an arcuate bottom surface is provided.
【００１９】そして、前記凹溝３２には、弾力性を有す
る合成ゴム製のＯリング３４が挿入されるように形成し
てある。前記押え板３０の中心には、挿通孔３３が設け
てあり、この挿通孔３３には、下方からボルト４０が挿
入され、ボルト４０の頭部より横方向に突出して設けた
突出片４１が、押え板３０の下面に設けた突片３１，３
１の間に挿入されて、ボルト４０が回動しないように固
定されている。An O-ring 34 made of synthetic rubber having elasticity is formed in the groove 32. An insertion hole 33 is provided in the center of the pressing plate 30, and a bolt 40 is inserted into the insertion hole 33 from below, and a protruding piece 41 provided laterally protruding from the head of the bolt 40 is provided. Projecting pieces 31, 3 provided on the lower surface of the holding plate 30
The bolt 40 is fixed so as not to rotate.
【００２０】前記ボルト４０の頭部を覆って、ボルトカ
バー４２が押え板３０に溶接して取り付けられ、前記挿
通孔３３を閉鎖している。前記ボルト４０の先端部から
縦方向にシール剤注入孔４５が設けてあり、このシール
剤注入孔４５の下部には、前記押え板３０の上側に開口
する横方向の貫通孔が設けてあり、ボルト４０の先端に
は、ワイヤ連結片４３が連設してある。A bolt cover 42 is attached to the pressing plate 30 by welding so as to cover the head of the bolt 40, and the insertion hole 33 is closed. A sealing agent injection hole 45 is provided in the vertical direction from the tip of the bolt 40, and a lateral through hole that opens to the upper side of the pressing plate 30 is provided in the lower portion of the sealing agent injection hole 45. A wire connecting piece 43 is connected to the tip of the bolt 40.
【００２１】前記ボルト４０には、玉挿入孔閉鎖用のプ
ラグ５５が外嵌されており、このプラグ５５の外周に
は、本管６に設けられる玉挿入孔１１の雌ねじに螺合さ
れる雄ねじ５６が設けてあり、また、２箇所に空気抜き
孔５７が設けてある。A plug 55 for closing a ball insertion hole is externally fitted to the bolt 40, and a male screw screwed to a female screw of a ball insertion hole 11 provided in the main pipe 6 is fitted around the plug 55. 56 are provided, and air vent holes 57 are provided at two locations.
【００２２】前記プラグ５５に挿通されたボルト４０に
は、ナットとして形成されたナット部５０が螺合され、
前記プラグ５５の上部には、ナットカバー６２が螺合さ
れ、ナットカバー６２には、合成ゴム製の防錆カバー６
３（図１４）が被着されるように形成してある。A nut portion 50 formed as a nut is screwed into the bolt 40 inserted through the plug 55,
A nut cover 62 is screwed onto the upper portion of the plug 55, and the nut cover 62 has a rust preventive cover 6 made of synthetic rubber.
3 (FIG. 14) is deposited.
【００２３】この実施例の管の玉挿入孔の閉鎖方法は、
まず、本管６のガスの流れを停止させ、図２に示すよう
に、本管６に分岐管を連結した新管１を接続する箇所を
決め、この新管１を接続する部分に隣接する位置の本管
６に、玉挿入孔１１を穿設する。The method for closing the ball insertion hole of the pipe of this embodiment is as follows:
First, the flow of gas in the main pipe 6 is stopped, and as shown in FIG. 2, a place to connect the new pipe 1 in which a branch pipe is connected to the main pipe 6 is determined, and the new pipe 1 is adjacent to the connecting portion. A ball insertion hole 11 is formed in the main pipe 6 at the position.
【００２４】そして、図３に示すように、玉挿入孔１１
からストッパ２０を挿入して、本管６の高圧側を閉鎖す
ると共に、ゴム製の膨張玉２５を挿入して、送気ホース
２６で膨張玉２５内に送気して膨張させ、本管６の低圧
側を閉鎖すると、本管６は２箇所に設けたストッパ２０
の外側は、ガスを流通させることが可能となる。Then, as shown in FIG. 3, the ball insertion hole 11
The stopper 20 is inserted to close the high pressure side of the main pipe 6, and the rubber expansion ball 25 is inserted, and air is supplied into the expansion ball 25 by the air supply hose 26 to expand the main pipe 6. When the low-pressure side of the main pipe 6 is closed, the main pipe 6 is provided with stoppers 20 provided at two locations.
Gas can be circulated outside of the.
【００２５】次に、本管６の２箇所に設けたガス除去用
孔１２の一方から窒素ガスを送入して、膨張玉２５間の
ガスを窒素ガスと入れ替える。次に、玉挿入孔１１間の
本管６を切断（図４）して取り除き、図５に示すよう
に、切断した開口部側から押え板３０を本管６内に搬入
し、押え板３０のボルト４０の先端部に連結したワイヤ
４４の端部を、粘着テープ等で膨張玉２５に取り付け
る。Next, nitrogen gas is fed through one of the gas removing holes 12 provided at two positions of the main pipe 6 to replace the gas between the expansion balls 25 with the nitrogen gas. Next, the main pipe 6 between the ball insertion holes 11 is cut (FIG. 4) and removed, and the holding plate 30 is carried into the main pipe 6 from the cut opening side as shown in FIG. The end of the wire 44 connected to the tip of the bolt 40 is attached to the expansion ball 25 with an adhesive tape or the like.
【００２６】次に、図６に示すように、本管６の切断部
分に新管１を挿入し、Ｇ型センブル２で接続する。次
に、膨張玉２５を縮小させて、玉挿入孔１１から取り出
し（図７）、玉挿入孔１１の口縁に接着剤８を塗布し
（図８）、ストッパ２０を操作杆２１を操作して本管６
内から取り出す（図９）。Next, as shown in FIG. 6, the new pipe 1 is inserted into the cut portion of the main pipe 6 and connected by the G-type assembly 2. Next, the expanded ball 25 is contracted and taken out from the ball insertion hole 11 (FIG. 7), the adhesive 8 is applied to the rim of the ball insertion hole 11 (FIG. 8), and the stopper 20 is operated with the operating rod 21. Main 6
Remove from inside (Fig. 9).
【００２７】次に、図１０に示すように、本管６のマー
ク１３とボルト４０のマーク１３を合わせて、押え板３
０の上面の円弧状面を本管６の内側面１０の円弧状面に
合致させ、前記内側面１０に押え板３０をＯリング３４
を介在させて当接させる。Next, as shown in FIG. 10, the mark 13 of the main pipe 6 and the mark 13 of the bolt 40 are aligned with each other, and the holding plate 3 is attached.
The arcuate surface of the upper surface of 0 is matched with the arcuate surface of the inner side surface 10 of the main pipe 6, and the holding plate 30 is attached to the inner side surface 10 by the O-ring 34.
And abut.
【００２８】次に、前記ボルト４０にプラグ５５を外嵌
して、このプラグ５５を玉挿入孔１１にねじ込み、ボル
ト４０にナット５０を螺合して締め付け、Ｏリング３４
を押え板３０で、本管６に装着した反転シールホース９
の内側の内側面１０に圧接させる（図１１）。Next, a plug 55 is externally fitted to the bolt 40, the plug 55 is screwed into the ball insertion hole 11, a nut 50 is screwed into the bolt 40, and the O-ring 34 is tightened.
Retaining seal hose 9 attached to main pipe 6 by holding plate 30
It is brought into pressure contact with the inner side surface 10 on the inside (Fig. 11).
【００２９】次に、ボルト４０に設けたシール剤注入孔
４５からシール剤７０を押え板３０と本管６間を注入
し、空気を空気抜き孔５７から排出させる（図１２）。
次に、プラグ５５の上部にナットカバー６２を螺合し
（図１３）、ナットカバー６２の外側に、防錆カバー６
３を被着する（図１４）。Next, the sealant 70 is injected through the sealant injection hole 45 provided in the bolt 40 between the holding plate 30 and the main pipe 6, and the air is discharged through the air vent hole 57 (FIG. 12).
Next, the nut cover 62 is screwed onto the upper portion of the plug 55 (FIG. 13), and the rust preventive cover 6 is attached to the outside of the nut cover 62.
3 is applied (FIG. 14).
【００３０】前記実施例では、ナット部５０がナットと
して形成され、プラグ５５と別体に形成されているが、
前記ナット部５０はプラグ５５と一体に形成し、そし
て、プラグ５５の上縁にフランジを設け、このフランジ
を下面が円弧状面に形成され、上面が平面に形成された
座金を介在させる等して、玉挿入孔１１に挿入し、この
プラグ５５を回転させることにより、ナット部５０を回
転させて、前記ボルト４０を引き上げるように形成する
ことも可能である。In the above embodiment, the nut portion 50 is formed as a nut and is formed separately from the plug 55.
The nut portion 50 is formed integrally with the plug 55, and a flange is provided on the upper edge of the plug 55, and the flange is formed by interposing a washer whose lower surface is formed into an arcuate surface and whose upper surface is formed into a flat surface. It is also possible to insert the ball 40 into the ball insertion hole 11 and rotate the plug 55 to rotate the nut portion 50 and pull up the bolt 40.
【００３１】また、前記実施例では、シール剤注入孔４
５をボルト４０に設けているが、プラグ５５に設けた空
気抜き孔５７の一方を、シール剤注入孔４５とすること
も可能である。Further, in the above embodiment, the sealant injection hole 4
Although 5 is provided in the bolt 40, one of the air vent holes 57 provided in the plug 55 can be used as the sealant injection hole 45.
【００３２】[0032]
【発明の効果】本発明は、本管６の玉挿入孔１１を設け
た部分の内側面１０に合致する円弧状面に形成された押
え板３０を、Ｏリング３４を介在させて、前記内側面１
０に圧接させるものである。According to the present invention, a holding plate 30 formed in an arcuate surface that matches the inner side surface 10 of the portion of the main tube 6 where the ball insertion hole 11 is provided is provided with an O-ring 34 interposed therebetween. Side 1
It is pressed against 0.
【００３３】したがって、本管６の内側に、反転シール
ホース９が装着されていても、前記Ｏリング３４で反転
シールホース９を本管６の内面に気密に圧接し、気密に
閉鎖できるものである。Therefore, even if the reversal seal hose 9 is attached to the inside of the main pipe 6, the reversal seal hose 9 can be airtightly pressed against the inner surface of the main pipe 6 by the O-ring 34 to be closed airtightly. is there.
【００３４】そして、押え板３０と本管６間にシール剤
７０を注入し、押え板３０と本管６間を一層確実に閉鎖
する。よって、本発明は、反転シールホース９を備えた
本管６に、分岐管等を備えた新管１を接続する場合に、
前記新管１を接続する部分に近接した位置の本管６に玉
挿入孔１１を穿設でき、新管１接続のためのガス除去区
間も短くでき、玉挿入孔１１を設けた箇所、及び、新管
１を接続する箇所の立坑も、共用の立坑とすることがで
き、施工時間は短縮され、工事費も安くなるものであ
る。そして、プラグ５５の外側からプラグ５５の下面に
連通するシール剤注入孔４５を設けてシール剤７０を注
入するようにしてあるので、本管６とシールホース９等
の間に隙間が有る場合には、シール剤７０の追加充填が
できる。 さらに空気抜き孔５７は、シール剤７０が空気
抜き孔５７にまで達したことを確認でき、シール剤７０
が充填不足となるのを防ぐことができる。 [0034] Then, a sealing agent 70 is injected between the presser plate 30 and the main pipe 6, more securely closed between presser plate 30 and the main pipe 6. Therefore, according to the present invention, when the new pipe 1 having a branch pipe or the like is connected to the main pipe 6 having the reversal seal hose 9,
A ball insertion hole 11 can be formed in the main pipe 6 at a position close to the portion where the new pipe 1 is connected, a gas removal section for connecting the new pipe 1 can be shortened, a place where the ball insertion hole 11 is provided, and The vertical shaft where the new pipe 1 is connected can also be a common vertical shaft, which shortens the construction time and reduces the construction cost. Then, from the outside of the plug 55 to the bottom surface of the plug 55
A sealing agent injection hole 45 communicating with the sealing agent injection hole 45 is provided and the sealing agent 70 is poured.
Main tube 6 and seal hose 9 etc.
If there is a gap between the
it can. Further, the air vent hole 57 has a sealing agent 70
It can be confirmed that the hole 57 has been reached, and the sealing agent 70
Can be prevented from being insufficiently filled.
【図１】本発明の一実施例の管の玉挿入孔閉鎖具を、本
管に装着した状態の大部分を断面とした正面図FIG. 1 is a front view in which a ball insertion hole closing device for a pipe according to an embodiment of the present invention is attached to a main pipe and shows a cross section of most of the state.
【図２】本発明の一実施例の管の玉挿入孔閉鎖を装着す
る管の側面図FIG. 2 is a side view of a tube fitted with a ball insertion hole closure of the tube of one embodiment of the present invention.
【図３】本発明の一実施例の実施状態の説明用の側面図FIG. 3 is a side view for explaining an implementation state of one embodiment of the present invention.
【図４】本発明の一実施例の実施状態の説明用の側面図FIG. 4 is a side view for explaining an implementation state of an embodiment of the present invention.
【図５】本発明の一実施例の実施状態の説明用の側面図FIG. 5 is a side view for explaining an implementation state of an embodiment of the present invention.
【図６】本発明の一実施例の実施状態の説明用の側面図FIG. 6 is a side view for explaining an implementation state of an embodiment of the present invention.
【図７】本発明の一実施例の実施状態の説明用の側面図FIG. 7 is a side view for explaining an implementation state of an embodiment of the present invention.
【図８】本発明の一実施例の実施状態の説明用の側面図FIG. 8 is a side view for explaining an implementation state of one embodiment of the present invention.
【図９】本発明の一実施例の実施状態の説明用の側面図FIG. 9 is a side view for explaining an implementation state of an embodiment of the present invention.
【図１０】本発明の一実施例の実施状態の説明用の平面
図FIG. 10 is a plan view for explaining an implementation state of an embodiment of the present invention.
【図１１】本発明の一実施例の実施状態の説明用の側面
図FIG. 11 is a side view for explaining an implementation state of one embodiment of the present invention.
【図１２】本発明の一実施例の実施状態の説明用の側面
図FIG. 12 is a side view for explaining an implementation state of one embodiment of the present invention.
【図１３】本発明の一実施例の実施状態の説明用の側面
図FIG. 13 is a side view for explaining an implementation state of one embodiment of the present invention.
【図１４】本発明の一実施例の実施状態の説明用の側面
図FIG. 14 is a side view for explaining an implementation state of one embodiment of the present invention.
【図１５】従来例の説明用の側面図FIG. 15 is a side view for explaining a conventional example.
【図１６】従来例の説明用の側面図FIG. 16 is a side view for explaining a conventional example.
【図１７】従来例の説明用の側面図FIG. 17 is a side view for explaining a conventional example.
１ 新管 ６ 本管 １０ 内側面 １１ 玉挿入孔 ３０ 押え板 ３４ Ｏリング ４０ ボルト ４５ シール剤注入孔 ５０ ナット部 ５５ プラグ ５７ 空気抜き孔 ７０ シール剤 1 New pipe 6 Main pipe 10 Inner surface 11 Ball insertion hole 30 Holding plate 34 O-ring 40 Bolt 45 Sealing agent injection hole 50 Nut part 55 Plug 57 Air vent hole 70 Sealing agent
───────────────────────────────────────────────────── フロントページの続き (72)発明者 野村 勝弘 千葉県柏市逆井363−67 (72)発明者 鈴木 一生 東京都中野区鷺宮６−30−18 エムズビ ル302 (72)発明者 福島 宏 神奈川県秦野市鶴巻347−３ (72)発明者 尾添 廣道 東京都千代田区丸の内一丁目１番２号日 本鋼管株式会社内 (72)発明者 畝本 康生 神奈川県横浜市鶴見区小野町88番地日本 鋼管工事株式会社内 (72)発明者 竹之内 定 神奈川県横浜市鶴見区小野町88番地日本 鋼管工事株式会社内 (72)発明者 林 富夫 神奈川県横浜市鶴見区小野町88番地日本 鋼管工事株式会社内 (72)発明者 足立 寛 神奈川県横浜市鶴見区小野町88番地日本 鋼管工事株式会社内 (56)参考文献 特開 昭57−107495（ＪＰ，Ａ) 実開 昭56−109492（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Katsuhiro Nomura 363-67 Sakai, Kashiwa-shi, Chiba Prefecture (72) Inventor Issei Suzuki 30-6, Sagimiya, Nakano-ku, Tokyo Msbil 302 (72) Inventor Hiroshi Fukushima Kanagawa 347-3 Tsurumaki, Hadano-shi, Japan (72) Hiromichi Ozoe Hiromichi Ozoe 1-2-1, Marunouchi, Chiyoda-ku, Tokyo Nihon Kokan Co., Ltd. (72) Inventor Yasue Unemoto 88 Ono-cho, Tsurumi-ku, Yokohama, Kanagawa Japan Steel Pipe Co., Ltd. (72) Inventor Sada Takenouchi 88 Ono-cho, Tsurumi-ku, Yokohama-shi, Kanagawa Japan Steel Pipe Co., Ltd. (72) Inventor Tomio Hayashi 88 Ono-cho, Tsurumi-ku, Yokohama-shi, Kanagawa Japan Steel pipe work stock In-house (72) Inventor Hiroshi Adachi 88 Ono-cho, Tsurumi-ku, Yokohama-shi, Kanagawa Japan Steel pipe construction Co., Ltd. (56) Reference JP-A-57-107495 (JP, A) Actual Akira 56-109492 (JP, U)
Claims (2)
本管６に穿設した、玉挿入孔１１の閉鎖方法であって、
前記本管６の内側面１０に合致する円弧状面に形成され
た押え板３０を、前記玉挿入孔１１を囲むＯリング３４
を介在させて、前記内側面１０に当接させると共に、押
え板３０に立設したボルト４０を前記玉挿入孔１１に挿
入し、このボルト４０にプラグ５５を外嵌し、このプラ
グ５５を玉挿入孔１１に嵌着し、ボルト４０に螺合した
ナット部５０で押え板３０を引き付けて、Ｏリング３４
を本管６の内側面１０に圧接させる管の玉挿入孔の閉鎖
方法において、 プラグ５５の外側からプラグ５５の下面に連通するシー
ル剤注入孔４５を設け、このシール剤注入孔４５から、
押え板３０と本管６間にシール剤７０を注入する管の玉
挿入孔の閉鎖方法。 1. A method for closing a ball insertion hole 11, which is formed in a main pipe 6 at a position adjacent to a portion where a new pipe 1 is connected,
An O-ring 34 that surrounds the ball insertion hole 11 is provided with a holding plate 30 formed in an arcuate surface that matches the inner surface 10 of the main pipe 6.
While abutting on the inner side surface 10 by inserting the bolt 40, the bolt 40 erected on the holding plate 30 is inserted into the ball insertion hole 11, and the plug 55 is externally fitted to the bolt 40. The holding plate 30 is attached by the nut portion 50 fitted into the insertion hole 11 and screwed into the bolt 40, and the O-ring 34
In the closing process of ball insertion holes of the tube to be pressed against the inner surface 10 of the main pipe 6, Sea communicating from the outside of the plug 55 to the lower surface of the plug 55
A sealant injection hole 45 is provided, and from this sealant injection hole 45,
A ball of a pipe for injecting the sealing agent 70 between the holding plate 30 and the main pipe 6.
How to close the insertion hole.
る円弧状の表面に形成した押え板３０を設け、この押え
板３０に中心部からボルト４０を立設し、ボルト４０を
玉挿入孔閉鎖用のプラグ５５に挿通して、ナット部５０
を螺合した管の玉挿入孔閉鎖具において、 プラグ５５の外側からプラグ５５の下面に連通するシー
ル剤注入孔４５と空気抜き孔５７を設けた管の玉挿入孔
閉鎖具。 2. A presser plate 30 formed on an arcuate surface that matches the arcuate surface of the inner surface 10 of the main pipe 6 is provided, and a bolt 40 is erected from the center of the presser plate 30 to attach the bolt 40. Insert the plug 55 for closing the ball insertion hole to
In the ball insertion hole closing device of the pipe screwed with, the seal that communicates from the outside of the plug 55 to the lower surface of the plug 55
Ball ball insertion hole provided with an injection hole 45 and an air vent hole 57
Closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4194060A JP2694091B2 (en) | 1992-07-21 | 1992-07-21 | Method of closing ball insertion hole of pipe and its closing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4194060A JP2694091B2 (en) | 1992-07-21 | 1992-07-21 | Method of closing ball insertion hole of pipe and its closing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06235493A JPH06235493A (en) | 1994-08-23 |
| JP2694091B2 true JP2694091B2 (en) | 1997-12-24 |
Family
ID=16318286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4194060A Expired - Fee Related JP2694091B2 (en) | 1992-07-21 | 1992-07-21 | Method of closing ball insertion hole of pipe and its closing tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2694091B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4932581B2 (en) * | 2007-04-25 | 2012-05-16 | 東京瓦斯株式会社 | Perforated part sealing method for existing pipes to be lined and perforated part sealing structure |
| JP4977647B2 (en) * | 2008-04-22 | 2012-07-18 | 東京瓦斯株式会社 | Sealing member pressing device to inner surface of perforated part and perforated part sealing processing method |
| JP5156596B2 (en) * | 2008-11-25 | 2013-03-06 | 株式会社カンドー | Perforated part sealing processing method for existing line to be lined and perforated part sealing processing jig |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556803A (en) * | 1978-06-28 | 1980-01-18 | Hitachi Ltd | Winding support apparatus for induction electrical appliance |
| JPS57107495A (en) * | 1980-12-25 | 1982-07-03 | Kubota Ltd | Repairing method of pipe |
-
1992
- 1992-07-21 JP JP4194060A patent/JP2694091B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06235493A (en) | 1994-08-23 |
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