JP2000313064A - Strip-like member for forming spiral pipe - Google Patents
Strip-like member for forming spiral pipeInfo
- Publication number
- JP2000313064A JP2000313064A JP11122338A JP12233899A JP2000313064A JP 2000313064 A JP2000313064 A JP 2000313064A JP 11122338 A JP11122338 A JP 11122338A JP 12233899 A JP12233899 A JP 12233899A JP 2000313064 A JP2000313064 A JP 2000313064A
- Authority
- JP
- Japan
- Prior art keywords
- strip
- substrate
- band
- pipe
- spiral
- 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
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、上下水道管及びガ
ス管等の老朽化した湾曲部を含む既設管更生用の螺旋管
形成用帯状部材に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a belt-like member for forming a spiral pipe for rehabilitating an existing pipe including an aged curved portion such as a water pipe and a water pipe.
【０００２】[0002]
【従来の技術】上下水道及びガス管等として使用される
既設管には、古くから金属管やヒューム管が使用されて
いる。このような既設管は、長期の使用によって老朽化
し、割れや腐食により漏水するおそれがある。このた
め、最近では、老朽化した埋設管等の既設管内に合成樹
脂管を挿入してライニングすることが行われている。2. Description of the Related Art Metal pipes and fume pipes have long been used as existing pipes used as water and sewage systems and gas pipes. Such an existing pipe may deteriorate due to long-term use, and may leak due to cracking or corrosion. For this reason, in recent years, lining has been performed by inserting a synthetic resin pipe into an existing pipe such as an aged buried pipe.
【０００３】例えば、特公平３−４８３９２号公報に記
載されているように、既設管のライニング工法の一つに
合成樹脂製の帯状体を螺旋状に巻回することにより形成
される螺旋管によって既設管をライニングする方法が知
られている。この方法では、既設管ライニング用の帯状
体を螺旋状に巻回して、相接する側縁部同士を係合状態
とすることにより螺旋管を製管し、その螺旋管により既
設管内面をライニングするようになっている。[0003] For example, as described in Japanese Patent Publication No. 3-48392, a spiral pipe formed by spirally winding a band made of synthetic resin in one of the existing pipe lining methods. A method for lining an existing pipe is known. In this method, a spiral pipe is formed by winding a strip for existing pipe lining in a spiral shape, and bringing the adjacent side edges into engagement with each other, and lining the inner surface of the existing pipe with the spiral pipe. It is supposed to.
【０００４】上記既設管ライニング用帯状体では、例え
ば湾曲した既設管に沿って螺旋管を挿通させる場合に
は、既設管内周面が螺旋管と接触することにより、螺旋
管に大きな抵抗力が作用する。このために、螺旋管に順
次帯状体が送給されることにより、螺旋管を構成する帯
状体に螺旋方向への推進力が作用して、螺旋管には拡径
するように力が加わる。これにより、螺旋管を構成して
いる帯状体の幅方向に大きな引張力が作用し、その引張
力により帯状体の各側縁部同士の係合状態が解除され
て、螺旋管が破損するおそれがある。In the existing pipe lining strip, for example, when a spiral pipe is inserted along a curved existing pipe, a large resistance force acts on the spiral pipe because the inner peripheral surface of the existing pipe contacts the spiral pipe. I do. For this reason, the belt is sequentially fed to the spiral tube, so that a thrust in the spiral direction acts on the belt constituting the spiral tube, and a force is applied to the spiral tube so as to expand the diameter. As a result, a large tensile force acts in the width direction of the band forming the spiral tube, and the state of engagement between the side edges of the band is released by the tensile force, and the spiral tube may be damaged. There is.
【０００５】そこで、上記の問題を解決するため、特開
平８−７５０４２号公報に記載されているように、帯状
体同士をジョイナーで接続し、ジョイナーに伸縮機能を
持たせる手段が提案されている。[0005] In order to solve the above-mentioned problem, there has been proposed a means for connecting strips to each other with a joiner so that the joiner has a stretching function, as described in JP-A-8-75042. .
【０００６】即ち、図６に示すように、帯板状ａ，ａ間
に軟質塩化ビニル樹脂製のジョイナーｂを設け、ジョイ
ナーｂの突条ｃ，ｃを帯板状ａの凹溝ｄ，ｄに挿入する
ことにより帯板状ａ，ａ同士を結合して螺旋管を構成
し、ジョイナーｂの屈曲変形部ｅの変形により既設管の
湾曲に対応できるようにしたものである。That is, as shown in FIG. 6, a joiner b made of a soft vinyl chloride resin is provided between the strips a, a, and the ridges c, c of the joiner b are formed into the concave grooves d, d of the strip a. To form a spiral tube by connecting the strips a, a to each other, so as to be able to cope with the curvature of the existing tube by deformation of the bending deformation portion e of the joiner b.
【０００７】しかしながら、上記の螺旋管は、既設管の
湾曲の曲率がたいして大きくない場合には有効である
が、既設管の湾曲の曲率が大きくなると、帯板状の幅を
小さくする必要があり、幅の小さな帯板状を使用する結
果、施工効率の低下が免れない欠点があった。又、この
幅の小さい帯状体を直管部の更生用に使用することは、
施工効率上到底できるものではなかった。However, the above spiral pipe is effective when the curvature of the existing pipe is not so large. However, when the curvature of the existing pipe becomes large, it is necessary to reduce the width of the strip. However, as a result of using a strip having a small width, there is a disadvantage that a decrease in construction efficiency is unavoidable. The use of this narrow band for rehabilitation of straight pipes is
It could not be achieved in terms of construction efficiency.
【０００８】[0008]
【発明が解決しようとする課題】本発明は、上記のよう
な従来の問題点を解消し、湾曲部を有する既設管の直管
部の更生用にも使用でき、且つ、湾曲部の湾曲の曲率が
大きくなっても、帯板部材の幅を小さくする必要がな
く、施工効率の低下のおそれのない湾曲部の更生に使用
できる螺旋管形成用帯状部材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 The present invention solves the above-mentioned conventional problems, and can be used for rehabilitating a straight pipe portion of an existing pipe having a curved portion. Even if the curvature becomes large, it is not necessary to reduce the width of the band plate member, and an object of the present invention is to provide a helical tube forming band-shaped member that can be used for rehabilitation of a curved portion that does not cause a decrease in construction efficiency. It is.
【０００９】[0009]
【課題を解決するための手段】本発明は、帯状基板の両
側縁部の片面に接合部が立設され、該帯状基板の他の片
面が内側となるように螺旋状に巻回し相接する接合部同
士を接合することにより螺旋管を形成することができる
螺旋管形成用帯状部材であって、前記帯状基板の片面に
長手方向に沿って細幅凹溝が設けられ、該帯状基板の他
の片面の前記細幅凹溝の両側の部分に、長手方向に沿っ
て２本の細幅凹溝が設けられており、それらの細幅凹溝
部分で長手方向に沿って折り曲げ自在とされている螺旋
管形成用帯状部材である。According to the present invention, a joining portion is erected on one side of both side edges of a band-shaped substrate and spirally wound so that the other side of the band-shaped substrate is on the inside, and the two are in contact with each other. A helical tube forming band-like member capable of forming a helical tube by joining the joining portions to each other, wherein a narrow groove is provided in one surface of the band-like substrate along a longitudinal direction, and the other of the band-like substrate is provided. The two narrow grooves are provided along the longitudinal direction on both sides of the narrow groove on one side of the groove, and the narrow grooves are freely bendable along the longitudinal direction at the narrow grooves. A spiral tube forming band-shaped member.
【００１０】[0010]
【作用】本発明の螺旋管形成用帯状部材は、前記帯状基
板の片面に長手方向に沿って細幅凹溝が設けられ、該帯
状基板の他の片面の前記細幅凹溝の両側の部分に、長手
方向に沿って２本の細幅凹溝が設けられており、それら
の細幅凹溝部分で長手方向に沿って折り曲げ自在とされ
ていることにより、帯状基板の細幅凹溝部分で折り曲げ
ないストレート状態にて巻回して相接する接合部同士を
接合することにより、既設管の直管部更生用のストレー
ト状態の螺旋管を形成することができるとともに、帯状
基板の細幅凹溝部分で折り曲げた状態にて巻回し相接す
る接合部同士を接合することにより、既設管の湾曲部更
生用の伸縮部を有する螺旋管を形成することができる。
そして、湾曲部においては、帯状部材に引張力が作用し
ても、その折り曲げた伸縮部が幅方向に広がった状態と
なり、引張力が吸収される。その結果、既設管の湾曲部
の曲率が大きい場合にも伸縮部の変形により対応でき
る。又、既設管の直管部も湾曲部も同じ材料を用いて形
成した螺旋管により更生することができるので、異なる
帯状部材を用いる場合に比べて切断したり接続したりす
る作業を行う必要がないので、作業性がきわめてよい。In the strip member for forming a spiral tube according to the present invention, a narrow groove is provided on one surface of the strip substrate along a longitudinal direction, and portions on both sides of the narrow groove on another surface of the strip substrate. Are provided with two narrow grooves along the longitudinal direction, and the narrow grooves are freely bendable along the longitudinal direction at the narrow grooves. By joining the joints that are wound and joined to each other in a straight state that is not bent at the same time, it is possible to form a spiral tube in a straight state for rehabilitation of the straight section of the existing pipe, and a narrow recess of the strip-shaped substrate. A spiral tube having a stretchable portion for rehabilitating a curved portion of an existing tube can be formed by joining the joined portions that are wound and in contact with each other while being bent at the groove portion.
Then, in the curved portion, even if a tensile force acts on the belt-shaped member, the bent elastic portion is in a state of spreading in the width direction, and the tensile force is absorbed. As a result, even when the curvature of the curved portion of the existing pipe is large, it is possible to cope with the deformation of the elastic portion. In addition, since the straight pipe portion and the curved portion of the existing pipe can be rehabilitated by a spiral pipe formed using the same material, it is necessary to perform an operation of cutting and connecting compared to a case where a different band-shaped member is used. Because there is no, workability is very good.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を図面
を参照して説明する。図１は、本発明の螺旋管形成用帯
状部材の実施の形態の一例を示す断面図である。図１に
示すように、螺旋管形成用帯状部材１は、帯状基板１１
の一側縁部の片面に一方の係合部である突条１２が立設
されている。突条１２は支柱部１２１とその先端に設け
られた断面円形の挿入部１２２とからなる。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view illustrating an example of an embodiment of a helical tube forming band-shaped member of the present invention. As shown in FIG. 1, the band-shaped member 1 for forming a spiral tube includes a band-shaped substrate 11.
On one surface of one side edge, a ridge 12 as one engagement portion is provided upright. The protruding ridge 12 includes a support portion 121 and an insertion portion 122 having a circular cross section provided at the tip thereof.
【００１２】帯状基板１１の他の側縁部の他の片面にそ
の端縁から適宜距離を隔てて長手方向に沿う段部１３が
設けられ、段部１３には、片面側に突出する他の接合部
である凹溝部１４が立設されている。凹溝部１４は他の
片面側に開口する奥広がりの被挿入部１４１とフランジ
部１４２とからなる。帯状基板１１の片面の突条１２と
凹溝部１４との間には２本の断面Ｔ形のリブ１５，１５
が立設されている。On the other side of the other side edge of the band-shaped substrate 11, a step 13 is provided along the longitudinal direction at an appropriate distance from the edge, and the step 13 has another step protruding to one side. A concave groove 14 as a joint is provided upright. The concave groove portion 14 includes a deeply inserted portion 141 to be opened on the other side and a flange portion 142. Two ribs 15 having a T-shaped cross section are provided between the ridge 12 on one side of the belt-shaped substrate 11 and the groove 14.
Is erected.
【００１３】帯状基板１１の片面の２本のリブ１５，１
５間には、長手方向に沿って細幅凹溝１６が設けられて
おり、図２にも示すように、その細幅凹溝１６に沿って
折り曲げ自在とされている。帯状基板１１の他の片面に
は、片面に設けられた細幅凹溝１６の両側の部分に、長
手方向に沿って２本の細幅凹溝１７，１７が設けられて
おり、図２にも示すように、その細幅凹溝１７，１７に
沿って折り曲げ自在とされている。１８は帯状基板１１
の片面に設けられたシール材である。The two ribs 15, 1 on one side of the strip-shaped substrate 11
A narrow groove 16 is provided along the longitudinal direction between the grooves 5, and can be bent along the narrow groove 16 as shown in FIG. On the other side of the strip-shaped substrate 11, two narrow grooves 17 are provided along the longitudinal direction on both sides of the narrow groove 16 provided on one side. As shown in the figure, the sheet can be bent along the narrow grooves 17. 18 is a strip-shaped substrate 11
Is a sealing material provided on one side of the above.
【００１４】そして、図３及び図４にも示すように、帯
状基板１１の他の片面が内側となるように巻回したと
き、相接する凹溝部１４の被挿入部１４１内に突条１２
の挿入部１２２を挿入するようにして螺旋管を形成する
ことができるようになっている。尚、図３は螺旋管の直
管部を形成する場合の接合状態を示すものであり、図４
は螺旋管の湾曲部を形成する場合の接合状態を示すもの
である。As shown in FIGS. 3 and 4, when the band-shaped substrate 11 is wound so that the other side faces inward, the ridges 12 are inserted into the inserted portions 141 of the concave grooves 14 which are in contact with each other.
The spiral tube can be formed by inserting the insertion part 122 of the spiral tube. FIG. 3 shows a joining state when a straight pipe portion of a spiral pipe is formed.
Indicates a joining state when a curved portion of the spiral tube is formed.
【００１５】以下、図１に示す螺旋管形成用帯状部材１
を用いて湾曲部を含む既設管を更生する例を図３〜図５
を参照して説明する。図５（ａ）〜（ｃ）において、Ｐ
は図１に示す螺旋管形成用帯状部材１により更生される
既設管であり、Ｐ１は直管部、Ｐ２は湾曲部、Ｐ３は直
管部である。Ｒは既設管Ｐ内に、その内部を更生するの
に設けられる螺旋管であり、図１に示す螺旋管形成用帯
状部材１にて形成される。Hereinafter, a belt-shaped member 1 for forming a spiral tube shown in FIG.
FIGS. 3 to 5 show an example of rehabilitating an existing pipe including a curved portion by using a method.
This will be described with reference to FIG. 5A to 5C, P
Is an existing pipe rehabilitated by the helical tube forming band-shaped member 1 shown in FIG. 1, P1 is a straight pipe part, P2 is a curved part, and P3 is a straight pipe part. R is a spiral pipe provided in the existing pipe P to rehabilitate the inside thereof, and is formed by the spiral pipe forming band-shaped member 1 shown in FIG.
【００１６】図５（ａ）に示すように、Ｒ１は既設管Ｐ
の直管部Ｐ１内に設けられる螺旋管であり、図１に示す
螺旋管形成用帯状部材１をそのまま螺旋状に巻回し、図
３に示すように、相接する凹溝部１４の被挿入部１４２
内に突条１２の挿入部１２２を挿入するように接合する
ことにより形成する。このとき、帯状基板１１は、細幅
凹溝１６，１７，１７に沿って折り曲げることなく、ス
トレート状態のまま使用され、形成される螺旋管Ｒ１も
ストレート状態のものである。As shown in FIG. 5A, R1 is an existing pipe P
The spiral tube provided in the straight pipe portion P1 is formed by spirally winding the spiral tube forming band member 1 shown in FIG. 1 as it is, and as shown in FIG. 142
It is formed by joining so that the insertion portion 122 of the ridge 12 is inserted therein. At this time, the strip-shaped substrate 11 is used in a straight state without being bent along the narrow grooves 16, 17 and 17, and the formed spiral tube R1 is also in a straight state.
【００１７】図５（ｂ）に示すように、Ｒ２は既設管Ｐ
の直管部Ｐ２内に設けられる螺旋管であり、図２に示す
ように、図１に示す螺旋管形成用帯状部材１を帯状基板
１１の細幅凹溝１６，１７，１７に沿って折り曲げた状
態の螺旋管形成用帯状部材１′にしておいて、これを螺
旋状に巻回し、相接する凹溝部１４の被挿入部１４２内
に突条１２の挿入部１２２を挿入するように接合するこ
とにより形成する。このとき、形成される螺旋管Ｒ２
は、帯状基板１１の細幅凹溝１６，１７，１７に沿って
折り曲げられた伸縮部を有するものである。As shown in FIG. 5B, R2 is an existing pipe P
2 is formed by bending the spiral tube forming band-shaped member 1 shown in FIG. 1 along the narrow concave grooves 16, 17, 17 of the band-shaped substrate 11, as shown in FIG. The helical tube forming band-shaped member 1 ′ is wound in a spiral shape, and is joined so that the insertion portion 122 of the ridge 12 is inserted into the inserted portion 142 of the concave groove portion 14 that is in contact with the helical tube. It forms by doing. At this time, the formed spiral tube R2
Has an elastic portion bent along the narrow concave grooves 16, 17, 17 of the belt-shaped substrate 11.
【００１８】これにより、帯状部材に引張力が作用して
も、その伸縮部が幅方向に広がった状態となり、引張力
が吸収される。その結果、既設管の湾曲部の曲率が大き
い場合にも伸縮部の変形により対応できる。As a result, even if a tensile force acts on the belt-shaped member, the stretchable portion is in a state of expanding in the width direction, and the tensile force is absorbed. As a result, even when the curvature of the curved portion of the existing pipe is large, it is possible to cope with the deformation of the elastic portion.
【００１９】図５（ｃ）に示すように、Ｒ３は既設管Ｐ
の直管部Ｐ３内に設けられる螺旋管であり、図１に示す
螺旋管形成用帯状部材１をそのまま螺旋状に巻回し、図
３に示すように、相接する凹溝部１４の被挿入部１４２
内に突条１２の挿入部１２２を挿入するように接合する
ことにより形成する。このとき、帯状基板１１は、細幅
凹溝１６，１７，１７に沿って折り曲げることなく、ス
トレート状態のまま使用され、形成される螺旋管Ｒ１も
ストレート状態のものである。As shown in FIG. 5C, R3 is an existing pipe P
A spiral pipe provided in the straight pipe portion P3 of FIG. 1, and the spiral tube forming band-shaped member 1 shown in FIG. 1 is spirally wound as it is, and as shown in FIG. 142
It is formed by joining so that the insertion portion 122 of the ridge 12 is inserted therein. At this time, the strip-shaped substrate 11 is used in a straight state without being bent along the narrow grooves 16, 17 and 17, and the formed spiral tube R1 is also in a straight state.
【００２０】[0020]
【発明の効果】本発明の螺旋管形成用帯状部材は、上記
のとおりとされているので、既設管の湾曲部内において
は、細幅凹溝に沿って折り曲げた状態の伸縮部を有する
螺旋管を形成することができるので、帯状部材に引張力
が作用しても、曲率が大きい場合にも伸縮部の変形によ
り対応でき、又、既設管の直管部も湾曲部も同じ材料を
用いて形成した螺旋管により更生することができるの
で、作業性がきわめてよい。The helical tube forming belt-shaped member of the present invention is as described above, and therefore has a helical tube having a stretchable portion bent along a narrow groove in a curved portion of an existing tube. Therefore, even if a tensile force acts on the belt-shaped member, even if the curvature is large, it can cope with the deformation of the expansion and contraction portion, and the straight pipe portion and the curved portion of the existing pipe use the same material. Workability is extremely good because rehabilitation can be performed by the formed spiral tube.
【図１】本発明の螺旋管形成用帯状部材の一例を示す断
面図である。FIG. 1 is a cross-sectional view showing an example of a helical tube forming band-shaped member of the present invention.
【図２】図１に示す螺旋管形成用帯状部材の変形状態を
示す断面図である。FIG. 2 is a cross-sectional view showing a deformed state of the helical tube forming band member shown in FIG.
【図３】図１に示す螺旋管形成用帯状部材を巻回して形
成した螺旋管の接合部同士の接続状態を示す断面図であ
る。FIG. 3 is a cross-sectional view showing a connection state of joints of spiral tubes formed by winding the spiral tube forming band member shown in FIG.
【図４】図２に示す状態の螺旋管形成用帯状部材を巻回
して形成した螺旋管の接合部同士の接続状態を示す断面
図である。FIG. 4 is a cross-sectional view showing a connection state between joint portions of a spiral tube formed by winding the spiral tube forming band member in the state shown in FIG. 2;
【図５】図１に示す螺旋管形成用帯状部材を用いて形成
した螺旋管により、湾曲部を有する既設管内を更生する
状態を説明する断面図である。5 is a cross-sectional view illustrating a state in which an existing pipe having a curved portion is rehabilitated by a spiral pipe formed by using the spiral pipe forming band-shaped member shown in FIG.
【図６】従来の帯状体を用いて形成した螺旋管を示す断
面図である。FIG. 6 is a cross-sectional view showing a spiral tube formed using a conventional belt-like body.
１，１′ 螺旋管形成用帯状部材 １１ 帯状基板 １２ 突条 １４ 凹溝部 １５ リブ １６，１７ 細幅凹溝 １２１ 挿入部 １４１ 被挿入部 Reference Signs List 1, 1 'spiral tube forming strip-shaped member 11 strip-shaped substrate 12 ridge 14 concave groove 15 rib 16, 17 narrow groove 121 insertion section 141 inserted section
Claims (1)
設され、該帯状基板の他の片面が内側となるように螺旋
状に巻回し相接する接合部同士を接合することにより螺
旋管を形成することができる螺旋管形成用帯状部材であ
って、前記帯状基板の片面に長手方向に沿って細幅凹溝
が設けられ、該帯状基板の他の片面の前記細幅凹溝の両
側の部分に、長手方向に沿って２本の細幅凹溝が設けら
れており、それらの細幅凹溝部分で長手方向に沿って折
り曲げ自在とされていることを特徴とする螺旋管形成用
帯状部材。1. A joining portion is erected on one side of both side edges of a band-shaped substrate, and the joining portions are spirally wound so that the other side of the band-shaped substrate is inside and joined to each other. A helical tube forming band-shaped member capable of forming a helical tube, wherein a narrow groove is provided on one surface of the band substrate along a longitudinal direction, and the narrow groove on another surface of the band substrate. Helical tube is provided with two narrow grooves along the longitudinal direction on both sides of the helical tube, and can be bent along the longitudinal direction at the narrow grooves. Forming strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12233899A JP4037558B2 (en) | 1999-04-28 | 1999-04-28 | Strip-shaped member for spiral tube formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12233899A JP4037558B2 (en) | 1999-04-28 | 1999-04-28 | Strip-shaped member for spiral tube formation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000313064A true JP2000313064A (en) | 2000-11-14 |
| JP4037558B2 JP4037558B2 (en) | 2008-01-23 |
Family
ID=14833503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12233899A Expired - Fee Related JP4037558B2 (en) | 1999-04-28 | 1999-04-28 | Strip-shaped member for spiral tube formation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4037558B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD876001S1 (en) | 2018-02-27 | 2020-02-18 | Sekisui Chemical Co., Ltd. | Strip member for pipes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61502180A (en) * | 1984-02-20 | 1986-10-02 | リブ ロック テクノロジーズ ベスローテン フェンノートシャップ | Method and device for forming and sealing a spirally wound tube |
| JPH06143420A (en) * | 1992-11-04 | 1994-05-24 | Sekisui Chem Co Ltd | Beltlike body for lining of existing pipe |
| JPH07100929A (en) * | 1993-10-05 | 1995-04-18 | Osaka Bosui Constr Co Ltd | Lining execution of pipe |
| JPH0875042A (en) * | 1994-09-07 | 1996-03-19 | Osaka Bosui Constr Co Ltd | Joiner and strip |
| JPH1134165A (en) * | 1997-07-18 | 1999-02-09 | Sekisui Chem Co Ltd | Strip-like element for lining existing tube |
-
1999
- 1999-04-28 JP JP12233899A patent/JP4037558B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61502180A (en) * | 1984-02-20 | 1986-10-02 | リブ ロック テクノロジーズ ベスローテン フェンノートシャップ | Method and device for forming and sealing a spirally wound tube |
| JPH06143420A (en) * | 1992-11-04 | 1994-05-24 | Sekisui Chem Co Ltd | Beltlike body for lining of existing pipe |
| JPH07100929A (en) * | 1993-10-05 | 1995-04-18 | Osaka Bosui Constr Co Ltd | Lining execution of pipe |
| JPH0875042A (en) * | 1994-09-07 | 1996-03-19 | Osaka Bosui Constr Co Ltd | Joiner and strip |
| JPH1134165A (en) * | 1997-07-18 | 1999-02-09 | Sekisui Chem Co Ltd | Strip-like element for lining existing tube |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD876001S1 (en) | 2018-02-27 | 2020-02-18 | Sekisui Chemical Co., Ltd. | Strip member for pipes |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4037558B2 (en) | 2008-01-23 |
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