JP3003755B2 - Polyethylene sleeve method for deformed pipe - Google Patents
Polyethylene sleeve method for deformed pipeInfo
- Publication number
- JP3003755B2 JP3003755B2 JP5311119A JP31111993A JP3003755B2 JP 3003755 B2 JP3003755 B2 JP 3003755B2 JP 5311119 A JP5311119 A JP 5311119A JP 31111993 A JP31111993 A JP 31111993A JP 3003755 B2 JP3003755 B2 JP 3003755B2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- polyethylene sleeve
- deformed
- polyethylene
- sleeve
- 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
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、十字管、Ｔ字管、Ｙ
字管などの異形管に対するポリエチレンスリーブ工法の
改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cross tube, a T-shaped tube, and a Y-shaped tube.
The present invention relates to the improvement of the polyethylene sleeve method for deformed pipes such as U-shaped pipes.
【０００２】[0002]
【従来の技術】従来、地中埋設される鋳鉄管の防食対策
として、管外周にポリエチレンエチレンスリーブを外嵌
し水密に緊締するポリエチレンスリーブ工法が知られて
いる。ところで、このようなポリエチレンスリーブ工法
の施工される管路は直管ばかりとは限らず、十字管、Ｔ
字管、Ｙ字管などの異形管が組み込まれるのが通常であ
り、このような異形管においても直管部分と同様にポリ
エチレンスリーブによる被覆が施される。2. Description of the Related Art Conventionally, as a countermeasure against corrosion of a cast iron pipe buried underground, a polyethylene sleeve construction method in which a polyethylene ethylene sleeve is externally fitted to the outer periphery of the pipe and tightly tightened is known. By the way, the pipe line in which such a polyethylene sleeve method is constructed is not limited to a straight pipe, but a cross pipe, a T pipe, and the like.
Usually, a deformed pipe such as a U-shaped pipe or a Y-shaped pipe is incorporated, and such a deformed pipe is coated with a polyethylene sleeve similarly to the straight pipe portion.
【０００３】従来、この異形管に対するポリエチレンス
リーブの被覆は、例えばＴ字管の場合、図６に示すよう
に本管Ｔ１を被覆できる長さのポリエチレンスリーブＰ
１を用意し、異形管Ｔの枝管受口Ｔ２に対応する位置に
開口Ｐ２を設けると共に、この開口Ｐ２から他方側へ向
けて切目Ｐ３を設け、その後ポリエチレンスリーブＰ１
を図７に示すように異形管Ｔに被せて行き、次いで図８
に示すように各末端部１Ｐ４〜Ｐ６を紐状部材Ｒで水密
に緊締した後さらに枝管受口Ｔ２に別の短筒状ポリエチ
レンスリーブＰ７を被せ緊締する手段によっていた。Conventionally, a polyethylene sleeve is coated on a deformed pipe, for example, in the case of a T-shaped pipe, as shown in FIG.
1, an opening P2 is provided at a position corresponding to the branch pipe receiving port T2 of the deformed pipe T, and a cut P3 is provided from the opening P2 toward the other side.
Is put on the deformed tube T as shown in FIG.
As shown in (1), after each of the end portions 1P4 to P6 is tightly tightened with a string-shaped member R, another short cylindrical polyethylene sleeve P7 is further placed on the branch pipe receiving port T2 and tightened.
【０００４】[0004]
【従来技術の問題点】上記異形管のポリエチレンスリー
ブ工法においては、本管Ｔ１に相当する部分に全通状態
でポリエチレンスリーブを被せるので、被覆を行う場合
は異形管全体を高く持ち上げ支持する必要があり、地中
掘削溝内に異形管を設置した後などでは被覆作業が非常
に困難となる問題があった。また、ポリエチレンスリー
ブは短いとは言え本管Ｔ１の全長を覆う長さであるの
で、狭い掘削溝内でこのような長さのポリエチレンスリ
ーブを扱うのも困難を究める場合があるといった問題が
あった。In the above-mentioned polyethylene sleeve construction method for a deformed pipe, a portion corresponding to the main pipe T1 is covered with a polyethylene sleeve in a state of being fully penetrated. There is a problem that the covering work becomes very difficult after the deformed pipe is installed in the underground excavation trench. In addition, although the polyethylene sleeve is short but has a length covering the entire length of the main pipe T1, there is a problem that it may be difficult to handle a polyethylene sleeve having such a length in a narrow excavation groove. .
【０００５】[0005]
【発明が解決しようとする課題】この発明は上記問題点
に鑑み、狭い掘削溝の中でも容易に施工が可能であり水
密も確実に達成可能な異形管に対するポリエチレンスリ
ーブ工法を提供することを目的としてなされたものであ
る。SUMMARY OF THE INVENTION In view of the above problems, an object of the present invention is to provide a polyethylene sleeve construction method for a deformed pipe which can be easily constructed even in a narrow excavation groove and can reliably achieve watertightness. It was done.
【０００６】[0006]
【課題を解決するための手段】即ち、この発明の異形管
に対するポリエチレンスリーブ工法は、十字管、Ｔ字
管、Ｙ字管などの異形管外周にポリエチレンスリーブを
被覆する場合において、突出する各管受口を受容できる
径及び十分な長さの短筒状のポリエチレンスリーブを各
管受口の数だけ用意し、該ポリエチレンスリーブの一端
側に軸方向に二分割する切目を入れ、該切目を設けた側
から前記ポリエチレンスリーブを前記異形管の各管受口
に外嵌させて被覆し、異形管中央部において重合する各
ポリエチレンスリーブの切開片を重ねて異形管外周を緊
締することを特徴とするものである。In other words, the polyethylene sleeve method for deformed pipes according to the present invention is a method of covering a projecting pipe when a polyethylene sleeve is coated on the outer circumference of a deformed pipe such as a cross pipe, a T-shaped pipe or a Y-shaped pipe. A number of short cylindrical polyethylene sleeves each having a diameter and a sufficient length capable of receiving the socket are prepared for each of the pipe sockets, and a cut is made at one end of the polyethylene sleeve in the axial direction, and the cut is provided. The polyethylene sleeve is externally fitted to and covered with each of the pipe sockets of the deformed pipe from the side of the deformed pipe. Things.
【０００７】[0007]
【実施例】次にこの発明の実施例を説明する。図１〜図
５はこの発明の方法の実施状態の説明図である。Next, an embodiment of the present invention will be described. 1 to 5 are explanatory views of the embodiment of the method of the present invention.
【０００８】この発明の異形管に対するポリエチレンス
リーブ工法は、十字管、Ｔ字管、Ｙ字管などの異形管Ｔ
外周にポリエチレンスリーブＰを被覆する場合におい
て、突出する各管受口１を受容できる径及び十分な長さ
の短筒状のポリエチレンスリーブＰ１…Ｐ１を各管受口
１の数だけ用意し、このポリエチレンスリーブＰ１…Ｐ
１の一端側２に軸方向に二分割する切目３、３を入れ
る。[0008] The polyethylene sleeve method for the deformed pipe according to the present invention can be applied to a deformed pipe T such as a cross pipe, a T-shaped pipe or a Y-shaped pipe.
When the outer circumference is covered with the polyethylene sleeve P, a short cylindrical polyethylene sleeve P1... P1 having a diameter and a sufficient length capable of receiving the projecting pipe sockets 1 is prepared by the number of the pipe sockets 1. Polyethylene sleeve P1 ... P
Cuts 3, 3 that are divided into two in the axial direction are formed in one end 2 of 1.
【０００９】次いで、Ｔ字管の場合は図２、十字管の場
合は図３に示すように切目３、３を設けた側から前記ポ
リエチレンスリーブＰ１…Ｐ１を異形管Ｔの各管受口１
に外嵌させて被覆し、異形管Ｔ中央部Ｔ0 において各ポ
リエチレンスリーブＰ１…Ｐ１の切開片３Ａ…３Ａを重
ねる。そして最後に図４、図５示すように各ポリエチレ
ンスリーブＰ１…Ｐ１の切開片３Ａ…３Ａを重ねてまと
め異形管Ｔ外周を緊締することにより異形管Ｔ全体をポ
リエチレンスリーブで被覆するのである。上記実施例に
おいて異形管Ｔ外周の緊締部材４としては粘着テープが
好適に使用されるが、この他柔軟性を有する合成樹脂製
の紐などで緊締する構成としても良い。Next, as shown in FIG. 2 for a T-shaped tube and FIG. 3 for a cross-shaped tube, the polyethylene sleeves P1...
The externally fitted so coated, the overlapping incision piece 3A ... 3A of the polyethylene sleeve P1 ... P1 in deformed tube T central T 0. Finally, as shown in FIGS. 4 and 5, the cut pieces 3A... 3A of the respective polyethylene sleeves P1... P1 are overlapped, and the outer periphery of the deformed pipe T is tightened to cover the entire deformed pipe T with the polyethylene sleeve. In the above embodiment, an adhesive tape is suitably used as the tightening member 4 on the outer periphery of the deformed pipe T, but it is also possible to employ a structure in which the elastic member is tightened with a flexible synthetic resin string or the like.
【００１０】なお、挿口５は、これが挿入される管受口
（図示省略）側にポリエチレンスリーブが設けられるの
で、挿口部分にはポリエチレンスリーブは被せない。ま
た、各受口１…１に被せられたポリエチレンスリーブＰ
１…Ｐ１の開口側Ｐ１’…Ｐ１’はこれに接続される管
外周（図示省略）にわたって被せることができるよう、
たくし上げられた状態とされる。The insertion port 5 is provided with a polyethylene sleeve on the side of a pipe receiving port (not shown) into which the insertion port is inserted. Therefore, the insertion port cannot be covered with the polyethylene sleeve. Also, a polyethylene sleeve P covering each of the receiving ports 1 ... 1
The opening side P1 '... P1' of 1 ... P1 can be covered over the outer periphery (not shown) of the pipe connected to this.
It is in a state of being lifted up.
【００１１】[0011]
【作用】この発明の方法において、ポリエチレンスリー
ブＰ１…Ｐ１は、各管受口１を覆う長さとされていれば
良いので、全長を覆うスリーブに比べ被覆の手間が大幅
に軽減化される。また、異形管Ｔの中央部分は、スリー
ブの切開片３Ａ…３Ａで多重に覆われるので水密性を容
易に達成できる。In the method of the present invention, since the polyethylene sleeves P1... P1 only need to be long enough to cover the respective tube sockets 1, the time and effort required for coating can be greatly reduced as compared with the sleeve which covers the entire length. In addition, since the central portion of the deformed tube T is multiply covered with the cutout pieces 3A... 3A of the sleeve, watertightness can be easily achieved.
【００１２】[0012]
【発明の効果】この発明は以上説明したように、異形管
外周にポリエチレンスリーブを被覆する場合、各管受口
にポリエチレンスリーブを被せ、異形管の中央部分でス
リーブの切開片３Ａ…３Ａをまとめて緊締すれば良いた
め、異形管を大きく持ち上げ支持する必要がなく、施工
が非常に容易となり、狭い掘削溝内での作業も容易とな
る効果を有し、さらにポリエチレンスリーブの長さ自体
も短いものを使用するのでこの面からも施工の容易化が
図れるなど種々の効果を有する。As described above, according to the present invention, when the outer periphery of the deformed pipe is covered with the polyethylene sleeve, the respective sleeves are covered with the polyethylene sleeve, and the incised pieces 3A... It is not necessary to lift and support the deformed pipe greatly, so it is very easy to work, and it has the effect of making it easy to work in narrow trenches, and the length of the polyethylene sleeve itself is also short The use of a material has various effects such as facilitation of construction from this aspect.
【図１】この発明の方法の実施状態の説明図である。FIG. 1 is an explanatory view of an embodiment of a method of the present invention.
【図２】この発明の方法の実施状態の説明図である。FIG. 2 is an explanatory diagram of an embodiment of a method of the present invention.
【図３】この発明の方法の実施状態の説明図である。FIG. 3 is an explanatory view of an embodiment of the method of the present invention.
【図４】この発明の方法の実施状態の説明図である。FIG. 4 is an explanatory view of an embodiment of the method of the present invention.
【図５】この発明の方法の実施状態の説明図である。FIG. 5 is an explanatory diagram of an embodiment of the method of the present invention.
【図６】従来例の説明図である。FIG. 6 is an explanatory diagram of a conventional example.
【図７】従来例の説明図である。FIG. 7 is an explanatory diagram of a conventional example.
【図８】従来例の説明図である。FIG. 8 is an explanatory diagram of a conventional example.
Ｔ…異形管 Ｔ0 …異形管中央部 Ｐ…ポリエチレンスリーブ Ｐ１…短筒状のポリエチレンスリーブ １…管受口 ２…一端側 ３…軸方向に二分割する切目 ３Ａ…ポリエチレンスリーブの切開片 ４…紐状部材T: deformed pipe T 0 : center of deformed pipe P: polyethylene sleeve P1: short cylindrical polyethylene sleeve 1 ... pipe socket 2 ... one end side 3 ... cut notch divided in the axial direction 3A ... cutout piece of polyethylene sleeve 4 ... String member
フロントページの続き (72)発明者 藤井 敏朗 兵庫県尼崎市大浜町２丁目26番地 株式 会社クボタ武庫川製造所内 (56)参考文献 特開 昭60−21234（ＪＰ，Ａ) 特公 昭49−10353（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 63/00 - 63/48 F16L 1/024 F16L 58/10 Continuation of the front page (72) Inventor Toshiro Fujii 2-26-Ohama-cho, Amagasaki-shi, Hyogo Pref. Kubota Mukogawa Works Co., Ltd. JP, B1) (58) Fields investigated (Int. Cl. 7 , DB name) B29C 63/00-63/48 F16L 1/024 F16L 58/10
Claims (1)
周にポリエチレンスリーブを被覆する場合において、突
出する各管受口を受容できる径及び十分な長さの短筒状
のポリエチレンスリーブを各管受口の数だけ用意し、該
ポリエチレンスリーブの一端側に軸方向に二分割する切
目を入れ、該切目を設けた側から前記ポリエチレンスリ
ーブを前記異形管の各管受口に外嵌させて被覆し、異形
管中央部において重合する各ポリエチレンスリーブの切
開片を重ねて異形管外周を緊締することを特徴とする異
形管に対するポリエチレンスリーブ工法。When a polyethylene sleeve is coated on the outer periphery of a deformed pipe such as a cruciform pipe, a T-shaped pipe, a Y-shaped pipe, a short cylindrical polyethylene having a diameter and a sufficient length capable of receiving each projecting pipe socket. As many sleeves as the number of pipe sockets are provided, a cut is made at one end of the polyethylene sleeve in the axial direction, and the polyethylene sleeve is attached to each pipe socket of the deformed pipe from the side provided with the cut. A polyethylene sleeve construction method for a deformed pipe, characterized in that incised pieces are covered with each other, and incised pieces of the respective polyethylene sleeves that are superposed at the center of the deformed pipe are overlapped to tighten the outer periphery of the deformed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5311119A JP3003755B2 (en) | 1993-11-16 | 1993-11-16 | Polyethylene sleeve method for deformed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5311119A JP3003755B2 (en) | 1993-11-16 | 1993-11-16 | Polyethylene sleeve method for deformed pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07137131A JPH07137131A (en) | 1995-05-30 |
| JP3003755B2 true JP3003755B2 (en) | 2000-01-31 |
Family
ID=18013373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5311119A Expired - Fee Related JP3003755B2 (en) | 1993-11-16 | 1993-11-16 | Polyethylene sleeve method for deformed pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3003755B2 (en) |
-
1993
- 1993-11-16 JP JP5311119A patent/JP3003755B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07137131A (en) | 1995-05-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |