JPS6120411B2 - - Google Patents
Info
- Publication number
- JPS6120411B2 JPS6120411B2 JP9508978A JP9508978A JPS6120411B2 JP S6120411 B2 JPS6120411 B2 JP S6120411B2 JP 9508978 A JP9508978 A JP 9508978A JP 9508978 A JP9508978 A JP 9508978A JP S6120411 B2 JPS6120411 B2 JP S6120411B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- lining
- adhesive
- inlet
- outer diameter
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 23
- 230000037431 insertion Effects 0.000 claims description 23
- 239000000853 adhesive Substances 0.000 claims description 22
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000035515 penetration Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding 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
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
- F16L55/1651—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being everted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/26—Lining or sheathing of internal surfaces
- B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
- B29C63/36—Lining or sheathing of internal surfaces using tubular layers or sheathings being turned inside out
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明は、流体を輸送する既設管などの管の内
面をライニングチユーブでライニングして流体の
漏洩を防ぐ管の内面ライニング方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for lining the inner surface of a pipe, such as an existing pipe for transporting fluid, with a lining tube to prevent fluid leakage.
従来から地中に埋設されている管の内面が腐蝕
して流体が漏洩したり、あるいは管継手の接続不
良により流体が漏洩した場合には、その漏洩を防
ぐために漏洩個所の全てを地上から掘削して、各
漏洩個所を溶接または接着剤などで埋めて修繕が
行なわれている。したがつて多大の労力と時間を
要した。 If the inner surface of a pipe that has traditionally been buried underground corrodes and fluid leaks, or if fluid leaks due to poor connection of a pipe joint, all leakage points must be excavated from above ground to prevent leakage. Then, each leakage point is repaired by welding or filling it with adhesive. Therefore, a great deal of effort and time was required.
本発明は、流体の漏洩個所の補修などのシール
作業が容易な管の内面ライニング方法を提供する
ことを目的とする。 SUMMARY OF THE INVENTION An object of the present invention is to provide a method for lining the inner surface of a pipe, which facilitates sealing operations such as repairing fluid leakage points.
第1図は、本発明の一実施例を示す断面図であ
る。地面1には流体を輸送するための鋼製、鋳鉄
製あるいは合成樹脂製の管2が埋設されている。
ライニングすべき或る距離を隔てて、管2が露出
するように竪坑3,4が掘削される。竪坑3,4
に露出した管2を部分的に切除する。管2内には
挿通塊5を挿入する。挿入塊5の先端5aには管
2内を通線されたワイヤ6の一端を固着してお
く。このワイヤ6の他端は竪坑4に設けられたウ
インチ7によつて、竪坑4側に引張られ得る。挿
通塊5の外径は、その挿通塊5が管2内に挿入さ
れたとき、挿通塊5が管2内を走行することがで
き、かつ接着剤10が管2内を挿通塊5よりも竪
坑4側に漏れない値に選ぶ。 FIG. 1 is a sectional view showing one embodiment of the present invention. A pipe 2 made of steel, cast iron, or synthetic resin is buried in the ground 1 for transporting fluid.
A shaft 3, 4 is excavated at a certain distance apart to expose the pipe 2 to be lined. Pit 3, 4
The exposed tube 2 is partially excised. The insertion block 5 is inserted into the tube 2. One end of a wire 6 passed through the tube 2 is fixed to the tip 5a of the insertion block 5. The other end of this wire 6 can be pulled toward the shaft 4 side by a winch 7 provided in the shaft 4. The outer diameter of the insertion lump 5 is such that when the insertion lump 5 is inserted into the tube 2, the insertion lump 5 can travel inside the tube 2, and the adhesive 10 can travel inside the tube 2 than the insertion lump 5. Select a value that will not leak to the shaft 4 side.
次に第2図のように竪坑3において、管2の端
部には上向きに屈曲して上向きに開口した入口筒
8が固着される。入口筒8の上端9からは、接着
剤10を流入する。 Next, as shown in FIG. 2, in the shaft 3, an inlet tube 8 bent upward and opened upward is fixed to the end of the tube 2. Adhesive 10 is introduced from the upper end 9 of the inlet tube 8 .
第3図を参照して、入口筒8からは可撓性合成
樹脂製のライニングチユーブ12が挿入される。
このライニングチユーブ12の端部は入口筒8の
上端の全周にわたつて固定される。ライニングチ
ユーブ12は、管2の内径とほぼ等しいかやや大
きい外径を有する。ライニングチユーブ12の外
径が管2の内径とほぼ等しいということは、(a)そ
の外径と管2の内径とが正確に等しいことだけで
なく、さらに(b)ライニングチユーブ12の外径が
管2の内径よりも小さい場合であつても、ライニ
ングチユーブ12の拡張時にライニングチユーブ
12が半径方向外方に拡がつてライニングチユー
ブ12の外面が管2の内面全面にわたつて接着し
うることをも含むものと解釈されなければならな
い。入口筒8および管2の内部においてライニン
グチユーブ12の内面が外側に折返されて、反転
部分12aを形成する。 Referring to FIG. 3, a lining tube 12 made of flexible synthetic resin is inserted from the inlet tube 8.
The end of this lining tube 12 is fixed over the entire circumference of the upper end of the inlet tube 8. The lining tube 12 has an outer diameter that is approximately equal to or slightly larger than the inner diameter of the tube 2. The fact that the outer diameter of the lining tube 12 is approximately equal to the inner diameter of the tube 2 means that (a) its outer diameter and the inner diameter of the tube 2 are exactly equal; Even if the inner diameter of the lining tube 12 is smaller than the inner diameter of the tube 2, the lining tube 12 expands radially outward when the lining tube 12 is expanded, and the outer surface of the lining tube 12 can adhere to the entire inner surface of the tube 2. shall be construed as including. Inside the inlet tube 8 and the tube 2, the inner surface of the lining tube 12 is folded back to the outside to form an inverted portion 12a.
第4図は、この反転して折返されたライニング
チユーブ12の斜視図である。この反転部分12
aに対して竪坑3側から矢符13のごとく、流体
たとえば圧縮空気を導入する。そのためライニン
グチユーブ12の内面は、管2の内面に沿つて折
返されつつ、竪坑4側に前進して行く。ライニン
グチユーブ12は、管2内を前進した行くと同時
に、接着剤10および挿通塊5を押進めて行く。
接着剤10は管2の内面とライニングチユーブ1
2の先端12bと挿通塊5の後端5bによつて規
定される空間内に常に一杯に貯留され、したがつ
て接着剤10は管2の内面全面に塗布されて行
く。この接着剤10の量が徐々に減少するにつれ
て、ライニングチユーブ12の先端12bと挿通
塊5の後端5bとの管軸に沿う間隔が小さくな
り、したがつて接着剤10は常に管2の内面全面
に塗布されることが確実になる。なお、ライニン
グチユーブ12による接着剤10と挿通塊5を押
し進める力が不足ぎみである場合には、ワイヤ6
を用いてウインチ7によつて挿通塊5を竪坑4側
に引張つてもよい。このようにしてライニングチ
ユーブ12は、管2内を挿通すると同時に、管2
の内面全面に接着剤によつて接着される。 FIG. 4 is a perspective view of the lining tube 12 that has been inverted and folded back. This inverted part 12
A fluid such as compressed air is introduced into the shaft 3 from the shaft 3 side as shown by the arrow 13. Therefore, the inner surface of the lining tube 12 advances toward the shaft 4 while being folded back along the inner surface of the tube 2. As the lining tube 12 advances inside the tube 2, it simultaneously pushes the adhesive 10 and the insertion mass 5.
The adhesive 10 is applied to the inner surface of the tube 2 and the lining tube 1.
The adhesive 10 is always fully stored in the space defined by the tip 12b of the tube 2 and the rear end 5b of the insertion block 5, so that the adhesive 10 is applied to the entire inner surface of the tube 2. As the amount of the adhesive 10 gradually decreases, the distance along the tube axis between the tip 12b of the lining tube 12 and the rear end 5b of the insertion mass 5 becomes smaller, so that the adhesive 10 is constantly applied to the inner surface of the tube 2. This ensures that the entire surface is coated. Note that if the force of the lining tube 12 to push the adhesive 10 and the insertion lump 5 is insufficient, the wire 6
The inserted mass 5 may be pulled toward the shaft 4 side by the winch 7 using a winch 7. In this way, the lining tube 12 is inserted into the tube 2 and at the same time
It is adhered to the entire inner surface of the board with adhesive.
本発明の他の実施例として、先ず管2に入口筒
8を連結し、その後で入口筒8から管2内に挿通
塊5を挿入し、次いで入口筒8から接着剤10を
流入するようにしてもよい。 In another embodiment of the present invention, an inlet tube 8 is first connected to the tube 2, and then the insertion mass 5 is inserted into the tube 2 from the inlet tube 8, and then the adhesive 10 is introduced from the inlet tube 8. It's okay.
第5図は本発明の他の実施例の断面図である。
この実施例では一対の挿通塊17,18が管軸に
沿つて間隔をあけて設けられ、これらの挿通塊1
7,18の間隔内に接着剤10が貯留される。前
進方向前方(第9図右方)の挿通塊17は、接着
剤10を竪坑4側(第9図の右側)に漏らさず、
かつ管2を移動することができる程度の外径を有
する。前進方向後方(第9図左方)の挿通塊18
は、接着剤10が管2内に適切な層厚で塗布され
る程度に管2の内径よりも小さい外径を有する。
管2内をライニングするためのライニングチユー
ブ12が、反転されて矢符19のごとく前進する
とき、そのライニングチユーブ12の先端12b
は、挿通塊18を進め、それによつて接着剤10
と挿通塊17が押進められる。挿通塊17と18
との間に貯留された接着剤10は、それらの間隔
内に常に一杯に詰つており、したがつて接着剤1
0が管2の全内面に塗布されることができる。 FIG. 5 is a sectional view of another embodiment of the invention.
In this embodiment, a pair of insertion masses 17 and 18 are provided at intervals along the tube axis, and these insertion masses 1
The adhesive 10 is stored within the interval 7,18. The insertion block 17 at the front in the forward direction (right side in Figure 9) does not leak the adhesive 10 to the shaft 4 side (right side in Figure 9).
It also has an outer diameter that allows the tube 2 to be moved. Insertion mass 18 at the rear in the forward direction (left side in Figure 9)
has an outer diameter smaller than the inner diameter of the tube 2 to such an extent that the adhesive 10 is applied within the tube 2 in a suitable layer thickness.
When the lining tube 12 for lining the inside of the pipe 2 is reversed and moves forward as shown by the arrow 19, the tip 12b of the lining tube 12
advances the penetrating mass 18, thereby removing the adhesive 10.
and the insertion mass 17 is pushed forward. Penetration masses 17 and 18
The adhesive 10 stored between the
0 can be applied to the entire inner surface of the tube 2.
なお、挿通塊17,18を引張りばね20によ
つて連結し、これらの挿通塊17,18間の接着
剤10を圧縮して管2の内面全面に塗布されるこ
とを確実にしてもよい。また、挿通塊17をワイ
ヤ6で引張つてもよい。 Alternatively, the insertion masses 17 and 18 may be connected by a tension spring 20 to compress the adhesive 10 between these insertion masses 17 and 18 to ensure that it is applied to the entire inner surface of the tube 2. Alternatively, the insertion mass 17 may be pulled with the wire 6.
本発明は、管2の修繕のために実施されうるだ
けでなく、管2による流体輸送に先立つて管2内
にライニングチユーブ12を予めライニングする
ためにも実施されうる。入口筒8は、一端が塞が
れて上部に開口が形成された管状体などであつて
もよい。 The invention can be implemented not only for the repair of a tube 2, but also for prelining a lining tube 12 within the tube 2 prior to fluid transport by the tube 2. The inlet tube 8 may be a tubular body with one end closed and an opening formed at the top.
以上のように本発明によれば、ライニングチユ
ーブを反転して流体加圧によつて前進させて管内
に挿通させると同時に、接着剤を管の内面全面に
塗布して、管の内面にライニングチユーブを貼付
けるので、作業性がきわめて向上される。 As described above, according to the present invention, the lining tube is reversed and advanced by fluid pressure to be inserted into the tube, and at the same time, adhesive is applied to the entire inner surface of the tube, and the lining tube is attached to the inner surface of the tube. work efficiency is greatly improved.
第1図は本発明の一実施例の断面図、第2図は
管2内に挿通塊5および接着剤10を流入する工
程を説明するための断面図、第3図は反転された
ライニングチユーブ12を前進してライニングす
る工程を説明するための断面図、第4図は反転さ
れたライニングチユーブの斜視図、第5図は本発
明の他の実施例の断面図である。
2…管、3,4…竪坑、5,17,18…挿通
塊、6…ワイヤ、8…入口筒、10…接着剤、1
2…ライニングチユーブ、12a…反転部分。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a sectional view illustrating the process of introducing the insertion mass 5 and adhesive 10 into the tube 2, and FIG. 3 is an inverted lining tube. 4 is a perspective view of an inverted lining tube, and FIG. 5 is a sectional view of another embodiment of the present invention. 2... Pipe, 3, 4... Vertical shaft, 5, 17, 18... Penetration block, 6... Wire, 8... Inlet tube, 10... Adhesive, 1
2... Lining tube, 12a... Inverted part.
Claims (1)
口した入口筒を連結する工程と、 挿通塊を前記管内に挿入する工程と、 挿通塊が挿入された管内に入口筒から接着剤を
流入する工程と、 管の内径とほぼ等しいかやや大きい外径を有す
る可撓性合成樹脂製のライニングチユーブの端部
を入口筒の上端側で固定位置に設け、そのライニ
ングチユーブの内面を外側に折返して反転し、そ
の反転部分を管の他端に向けて管の前記一端側か
ら流体で加圧して前進させつつ挿通塊を押し進め
る工程とを含むことを特徴とする管の内面ライニ
ング方法。 2 管内にその管軸に沿つて間隔をあけて一対の
挿通塊を挿入し、前記間隔内に接着剤を貯留し、
管の内径とほぼ等しいかやや大きい外径を有する
可撓性合成樹脂製のライニングチユーブの端部を
管の一端側で固定位置に設け、そのライニングチ
ユーブの内面を外側に折返して反転し、その反転
部分を管の他端側に向けて管の一端側から流体で
加圧して前進させつつ挿通塊を押し進めることを
特徴とする管の内面ライニング方法。[Claims] 1. A step of connecting an upwardly opened inlet tube to one end of a tube to be lined, a step of inserting an insertion block into the tube, and a step of gluing the insertion tube from the inlet tube into the inserted tube. The process of introducing the agent into the tube, the end of a flexible synthetic resin lining tube with an outer diameter that is approximately equal to or slightly larger than the inner diameter of the tube is fixed at the upper end of the inlet tube, and the inner surface of the lining tube is A method for lining the inner surface of a tube, comprising the steps of folding it outward, inverting it, and pressing the inverted portion toward the other end of the tube by applying fluid pressure from the one end side of the tube to push the inserted mass forward. . 2. Inserting a pair of insertion masses into the tube at intervals along the tube axis, storing adhesive within the intervals,
The end of a flexible synthetic resin lining tube with an outer diameter that is approximately equal to or slightly larger than the inner diameter of the tube is fixed at one end of the tube, and the inner surface of the lining tube is folded outward and turned over. A method for lining the inner surface of a tube, characterized by pushing the inserted mass forward while applying pressure with a fluid from one end of the tube toward the other end of the tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9508978A JPS5521284A (en) | 1978-08-03 | 1978-08-03 | Inner surface lining method of a tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9508978A JPS5521284A (en) | 1978-08-03 | 1978-08-03 | Inner surface lining method of a tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5521284A JPS5521284A (en) | 1980-02-15 |
JPS6120411B2 true JPS6120411B2 (en) | 1986-05-22 |
Family
ID=14128189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9508978A Granted JPS5521284A (en) | 1978-08-03 | 1978-08-03 | Inner surface lining method of a tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5521284A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010255205A (en) * | 2009-04-21 | 2010-11-11 | Sekisui Chem Co Ltd | Regeneration method for existing pipe |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4602974A (en) * | 1981-12-31 | 1986-07-29 | Eric Wood | Method of sealing pipe |
JPS62183330A (en) * | 1986-02-07 | 1987-08-11 | Sekisui Chem Co Ltd | Inside lining method for pipe body |
CA2184338C (en) * | 1995-09-06 | 2000-11-14 | Shigeru Toyoda | Method of repairing an existing pipe |
JP4786227B2 (en) * | 2005-06-09 | 2011-10-05 | 株式会社カンドー | Lining method for existing pipelines |
-
1978
- 1978-08-03 JP JP9508978A patent/JPS5521284A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010255205A (en) * | 2009-04-21 | 2010-11-11 | Sekisui Chem Co Ltd | Regeneration method for existing pipe |
Also Published As
Publication number | Publication date |
---|---|
JPS5521284A (en) | 1980-02-15 |
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