JP2798229B2 - How to repair cladding - Google Patents
How to repair claddingInfo
- Publication number
- JP2798229B2 JP2798229B2 JP4134871A JP13487192A JP2798229B2 JP 2798229 B2 JP2798229 B2 JP 2798229B2 JP 4134871 A JP4134871 A JP 4134871A JP 13487192 A JP13487192 A JP 13487192A JP 2798229 B2 JP2798229 B2 JP 2798229B2
- Authority
- JP
- Japan
- Prior art keywords
- resin
- tube
- pressure
- metal tube
- metal
- 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 - Lifetime
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、防錆等を目的として金
属管の外側に被覆を施した所謂被覆管において、前記金
属管に発生した漏れ原因箇所を修理する方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called cladding tube in which a metal tube is coated outside for the purpose of rust prevention or the like.
The present invention relates to a method for repairing a leak-causing portion generated in a pipe .
【０００２】[0002]
【従来の技術】図３及び図４に示すような金属管ａの外
側に樹脂層ｂを被覆した被覆管Ａの修理方法を図５及び
図６に示す。2. Description of the Related Art FIGS. 5 and 6 show a method of repairing a cladding tube A in which a resin layer b is coated on the outside of a metal tube a as shown in FIGS.
【０００３】図５において、１はコンプレッサー（又は
ボンベ）、２は樹脂タンク、３はヘッダー、４は樹脂回
収袋にして、コンプレッサー１で加圧したエアーをヘッ
ダー３内に送入し、樹脂タンク２から樹脂を吸い込み、
この樹脂を図６に示すように金属管ａ内に霧状に注入し
て金属管ａの内面に樹脂をコーティングすることによ
り、金属管ａの亀裂とか小孔等の漏れ原因をその内側か
ら塞ぐものである。In FIG. 5, 1 is a compressor (or a cylinder), 2 is a resin tank, 3 is a header, 4 is a resin recovery bag, and the air pressurized by the compressor 1 is sent into the header 3, and a resin tank is formed. Suck in the resin from 2,
As shown in FIG. 6, this resin is injected in the form of a mist into the metal tube a, and the inner surface of the metal tube a is coated with the resin, thereby closing the cause of leakage such as cracks or small holes from the inside of the metal tube a. Things.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記従来例に
おいては、次のような問題がある。However, the above conventional example has the following problems.
【０００５】ａ．金属管ａが図４に示すような波形管の
場合、この波形の谷の部分に亀裂や小孔ｐがあると、図
６に示すように塞ぎきれないことがある。A. In the case where the metal tube a is a corrugated tube as shown in FIG. 4, if there is a crack or a small hole p in the valley portion of this corrugation, it may not be able to be completely closed as shown in FIG.
【０００６】ｂ．気流に対する圧損が大きいため、一度
に修理できる区間が短かい。B. The section that can be repaired at one time is short because the pressure loss to the airflow is large.
【０００７】ｃ．修理が失敗した場合、金属管ａ内に樹
脂が満たされてしまう。C. If the repair fails, the metal tube a is filled with resin.
【０００８】本発明の目的は、被覆管の修理において、
上記ａ〜ｃの欠点を解消することである。It is an object of the present invention to repair cladding tubes,
It is to eliminate the disadvantages a to c.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記目的を達
成するため、被覆管の一端側から、金属管と被覆との間
に霧状の樹脂を加圧しながら注入することにより、金属
管に発生した漏れ原因箇所を補修する被覆管の修理方法
において、前記金属管の修理区間の両端を閉塞し、この
金属管内に、前記樹脂の注入に際し、この樹脂の注入圧
よりもやや低い圧力のエアーを送入することによって、
金属管内の圧力を樹脂の注入圧よりもやや低目に設定す
ることを特徴とするものである。 The present invention achieves the above object.
Between the metal tube and the cladding from one end of the cladding tube.
By injecting mist resin into the
Repair method of cladding tube to repair the cause of leak in pipe
At both ends of the repair section of the metal pipe are closed,
Injecting the resin into the metal tube
By sending air at a slightly lower pressure than
Set the pressure in the metal tube slightly lower than the resin injection pressure.
It is characterized by that.
【００１０】[0010]
【作用】被覆管の一端にヘッダーを取り付けて加圧エア
ー及び樹脂を金属管と被覆の間に注入できるようにセッ
トし、更に金属管の終端を閉塞し、被覆管の終端には樹
脂回収用袋を取り付ける。コンプレッサーを駆動してヘ
ッダー内に加圧気体を送り込むと、樹脂タンクから樹脂
が吸引される。この樹脂は霧状となって金属管と被覆と
の間に注入され、この間を流れながら亀裂や小孔を塞い
で終端に到達し、余った樹脂は樹脂回収用袋に回収され
る。この際、金属管の亀裂や小孔から樹脂が金属管内に
入る恐れがあるので、コンプレッサーからのエアーの一
部を金属管内に送入し、金属管内の圧力を樹脂の注入圧
よりもやや低目に設定しながら行う。なお、樹脂の粘性
を最適に調整するため、もしくは硬化を速めるためにエ
アーを加熱してもよい。[Action] The attach the header to one end of the cladding tube pressurized air and the resin is set so as to be injected between coated metal tube, further closes the end of the metal tube, the end of the cladding tube tree <br Attach a bag for collecting fat. When the compressor is driven to send pressurized gas into the header, the resin is sucked from the resin tank. The resin is sprayed between the metal tube and the coating in the form of a mist, and flows therethrough to close the cracks and small holes and reach the end, and the excess resin is collected in a resin collecting bag. At this time, since the resin from cracking and pores of the metal pipe is likely to enter the metal pipe, and fed a portion of the air from the compressor to the metal tube, the pressure of the metal tube slightly lower than the injection pressure of the resin Perform while setting the eye. The air may be heated to adjust the viscosity of the resin optimally or to accelerate the curing.
【００１１】[0011]
【実施例】図１、２に本発明の実施例を示す。１はコン
プレッサー（又はボンベ）、２は樹脂タンク、３は金属
管ａ及び被覆ｂとの間に霧状の樹脂を注入するためのヘ
ッダー、４は被覆管Ａの終端に取り付けられた樹脂回収
用袋、５は金属管ａ内に、前記樹脂の注入圧よりもやや
低目の圧力でエアーを注入するためのラインに取り付け
られた圧力調整弁、６は被覆管Ａの終端において、金属
管ａを閉塞しているプラグである。1 and 2 show an embodiment of the present invention. 1 is a compressor (or cylinder), 2 is a resin tank, 3 is metal
A header for injecting a mist of resin between the pipe a and the coating b, a resin collecting bag 4 attached to the end of the coating pipe A, and a metal pipe 5 in the metal pipe a . Slightly higher than resin injection pressure
Attached to line for injecting air with lower pressure
The pressure regulating valve 6 is a plug closing the metal pipe a at the end of the cladding pipe A.
【００１２】上記実施例において、コンプレッサー１で
加圧されたエアーをヘッダー３内に送入すると、樹脂タ
ンク２から樹脂が吸引され、この樹脂はヘッダー３か
ら、図２に示すように、金属管ａと被覆ｂとの間に霧状
となって注入され、この間を伝って流れながら終端に到
達し、余った樹脂は樹脂回収用袋４に回収される。この
作用により、金属管ａと被覆ｂとの間に樹脂が充填さ
れ、この樹脂は一定の時間を経過すると自然冷却により
硬化し、亀裂或いは小孔を塞ぐことになる。又、上記樹
脂の注入時に、金属管ａ内には圧力調整弁５を経由し
て、樹脂の注入圧よりもやや低目の圧力に設定されたエ
アーが送入される。 In the above embodiment, when the air pressurized by the compressor 1 is sent into the header 3, the resin is sucked from the resin tank 2 and the resin is supplied from the header 3 to the metal pipe as shown in FIG. Misty between a and coating b
The resin is then injected, flows along the space, reaches the end, and the remaining resin is collected in the resin collecting bag 4. By this action, a resin is filled between the metal tube a and the coating b, and after a certain period of time, the resin is hardened by natural cooling, thereby closing cracks or small holes . Also, the above tree
At the time of injecting the fat, the metal pipe a passes through the pressure regulating valve 5
Set to a pressure slightly lower than the resin injection pressure.
Are sent.
【００１３】[0013]
【発明の効果】本発明は以上のように、金属管と被覆と
の間に樹脂を霧状にして注入し、冷却により硬化するこ
とにより漏れ原因箇所を閉塞するという作用で被覆管を
修理する特徴を有し、次の如き効果を奏する。As described above, according to the present invention, the resin is injected in a mist state between the metal tube and the coating, and the resin is cured by cooling.
Thus, the cladding tube is repaired by the action of closing the leak-causing portion, and the following effects are obtained.
【００１４】ａ．金属管と被覆の間は小さな間隙であ
り、この中に樹脂が充填され、且つ圧力開放後の被覆の
収径作用により、波形管の場合でも樹脂は山、谷全体に
行きわたり、どの位置にある亀裂や小孔でも確実に塞ぐ
ことができる。A. There is a small gap between the metal tube and the coating, which is filled with resin, and due to the diameter-reducing action of the coating after releasing the pressure, even in the case of a corrugated tube, the resin spreads over the entire peaks and valleys. Even certain cracks and small holes can be reliably closed.
【００１５】ｂ．一度に行うことのできる修理区間を従
来に比較して大巾に延長できる。B. The repair section that can be performed at one time can be greatly extended as compared with the related art.
【００１６】ｃ．修理終了後管内の圧損があがることが
ない。C. No pressure loss in the pipe after repair.
【００１７】ｄ．金属管と被覆との間に樹脂を注入する
時、この注入圧よりもやや低い圧力のエアーを金属管内
に送入することにより、亀裂や小孔を経由して金属管内
に樹脂が入り込まない。よって、漏れ原因箇所から入り
込んだ樹脂で金属管が閉塞される心配がない。 D. Inject resin between metal tube and coating
At this time, air with a pressure slightly lower than this injection pressure is
Into the metal pipe through cracks and small holes
No resin enters Therefore, the leakage
There is no fear that the metal tube will be blocked by the resin that has entered.
【図１】本発明に係る修理方法の説明図。FIG. 1 is an explanatory diagram of a repair method according to the present invention.
【図２】図１に示した修理方法の要部の拡大断面図。FIG. 2 is an enlarged sectional view of a main part of the repair method shown in FIG.
【図３】被覆管の断面図。FIG. 3 is a sectional view of a cladding tube.
【図４】波形被覆管の断面図。FIG. 4 is a sectional view of a corrugated cladding tube.
【図５】従来の修理方法の説明図。FIG. 5 is an explanatory view of a conventional repair method.
【図６】従来の修理方法において、波形管の谷に小孔が
あいた例の説明図。FIG. 6 is an explanatory view of an example in which a small hole is formed in a valley of a corrugated tube in a conventional repair method.
Ａ 被覆管 ａ 金属管 ｂ 被覆 １ コンプレッサー（又はボンベ） ２ 樹脂タンク ３ ヘッダー ４ 樹脂回収用袋 ５ 圧力調整弁 ６ プラグA Coated pipe a Metal pipe b Coated 1 Compressor (or cylinder) 2 Resin tank 3 Header 4 Resin recovery bag 5 Pressure control valve 6 Plug
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B05D 7/14 B29C 73/02──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. 6 , DB name) B05D 7/14 B29C 73/02
Claims (1)
間に霧状の樹脂を加圧しながら注入することにより、金
属管に発生した漏れ原因箇所を補修する被覆管の修理方
法において、前記金属管の修理区間の両端を閉塞し、こ
の金属管内に、前記樹脂の注入に際し、この樹脂の注入
圧よりもやや低い圧力のエアーを送入することによっ
て、金属管内の圧力を樹脂の注入圧よりもやや低目に設
定することを特徴とする被覆管の修理方法。An injection of a mist-like resin under pressure between a metal tube and a coating from one end side of the coating tube to obtain gold.
Repair method of cladding tube to repair the cause of leak occurring in the pipe
In the method, both ends of the repair section of the metal pipe are closed,
Injecting the resin into the metal tube
Air at a pressure slightly lower than
Set the pressure in the metal tube slightly lower than the resin injection pressure.
A method for repairing a cladding tube, characterized in that :
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4134871A JP2798229B2 (en) | 1992-05-27 | 1992-05-27 | How to repair cladding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4134871A JP2798229B2 (en) | 1992-05-27 | 1992-05-27 | How to repair cladding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05318615A JPH05318615A (en) | 1993-12-03 |
| JP2798229B2 true JP2798229B2 (en) | 1998-09-17 |
Family
ID=15138431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4134871A Expired - Lifetime JP2798229B2 (en) | 1992-05-27 | 1992-05-27 | How to repair cladding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2798229B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8418336B2 (en) * | 2009-07-07 | 2013-04-16 | Roger Michael Bennett | Method and system for repairing the flow-line of corrugated metal pipes |
| CN106269333A (en) * | 2016-08-04 | 2017-01-04 | 深圳朝伟达科技有限公司 | Foaming agent or bubble-tight agent coating method in pipeline |
| JP7312114B2 (en) | 2017-05-04 | 2023-07-20 | ピルキントン グループ リミテッド | Method for forming glass article and glass article formed thereby |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61112892A (en) * | 1984-11-06 | 1986-05-30 | 永吉 昭夫 | Heat-insulating pipe and manufacture thereof |
| JPH04181086A (en) * | 1990-11-16 | 1992-06-29 | Nippon Petrochem Co Ltd | Corrugate pipe, manufacture of corrugate pipe and reinforcing method for corrugate pipe |
-
1992
- 1992-05-27 JP JP4134871A patent/JP2798229B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05318615A (en) | 1993-12-03 |
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