JP3192825B2 - Belt for coating inside existing pipes - Google Patents
Belt for coating inside existing pipesInfo
- Publication number
- JP3192825B2 JP3192825B2 JP15522593A JP15522593A JP3192825B2 JP 3192825 B2 JP3192825 B2 JP 3192825B2 JP 15522593 A JP15522593 A JP 15522593A JP 15522593 A JP15522593 A JP 15522593A JP 3192825 B2 JP3192825 B2 JP 3192825B2
- Authority
- JP
- Japan
- Prior art keywords
- fitting
- side edge
- fitting portion
- existing pipe
- edge
- 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
- Pipe Accessories (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、老朽化した既設管の内
周面を被覆するため使用される既設管内被覆用帯状体に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a strip for covering the inside of an existing pipe, which is used for coating the inner peripheral surface of an old pipe that has been deteriorated.
【０００２】[0002]
【従来の技術】既設管を更生するためにプラスチック管
を既設管の内周面に被覆する方法として、プラスチック
の帯状体を螺旋状に巻回して被覆する方法がある。この
とき、帯状体の側縁部同士を上下に重ねて嵌合させて管
状物を形成することができる帯状体（特公昭６２−２２
７７０号・以下先行例１という）が公知である。また、
帯状体の両側を接合片によって突き合わせ接合させるこ
とができる帯状体（特開平３−２８２０９５号・以下先
行例２という）が公知である。しかし、先行例１の帯状
体では、作業時、嵌合部分が見えないため、位置合わせ
が難しく、先行例２の帯状体では、被覆に必要な部材が
２つ以上必要となるため、施工が複雑になるという問題
点があった。2. Description of the Related Art As a method of coating a plastic pipe on the inner peripheral surface of an existing pipe in order to rehabilitate the existing pipe, there is a method of spirally winding a plastic strip to cover the pipe. At this time, a band-like body (Japanese Patent Publication No. 62-22) capable of forming a tubular body by overlapping and fitting the side edges of the belt-like body vertically.
770 (hereinafter referred to as "Prior art 1") is known. Also,
There is known a band (Japanese Patent Laid-Open No. 3-282095, hereinafter referred to as Prior Example 2) in which both sides of the band can be butt-joined with a joining piece. However, in the belt of the preceding example 1, positioning is difficult because the fitting portion is not visible at the time of work, and in the belt of the preceding example 2, two or more members required for coating are required. There was a problem that it became complicated.
【０００３】そこで発明者はこの問題を解決するために
帯状体の両端に係合部を設け、帯状体の一方の側縁部に
ヒンジ部を設け端部を折り曲げ可能にし、帯状体の側縁
部に当接部を設けた帯状体をすでに出願している（特願
平５−１０２４４３号・以下先行例３という）。この帯
状体によれば端部が折り曲げた状態で当接部同士を当接
させるため、位置合わせ作業が容易となる。In order to solve this problem, the inventor has provided engagement portions at both ends of the band, provided a hinge at one side edge of the band, made the end bendable, and provided a side edge of the band. A belt-like body having an abutting portion at the portion has already been filed (Japanese Patent Application No. 5-102443, hereinafter referred to as Prior Example 3). According to this belt-shaped body, the contact portions are brought into contact with each other in a state in which the end portions are bent, so that the positioning work becomes easy.
【０００４】[0004]
【発明が解決する課題】確かに、作業時、嵌合部分が見
えないため、位置合わせが難しいという問題点や、被覆
に必要な部材が２つ以上必要となるため、施工が複雑に
なるという問題点は先行例３の発明によれば解決されて
いる。しかし先行例３では、まだ、係合させる際に端部
を元の状態に折り戻す必要が有るため、労力を要し施工
性が悪くなるという課題や、係合させた端部が被覆する
前の折り畳まれた状態に復元しようとするため、図５に
示すように係合部が引上げられ内側に浮き上がり、管内
周面が波形になるという課題が残っている。Indeed, it is difficult to position the fitting part because the fitting part is not visible at the time of work, and the construction becomes complicated because two or more members required for covering are required. The problem has been solved by the invention of the preceding example 3. However, in Prior Example 3, since it is necessary to fold the end portion back to the original state when engaging, the workability is required and the workability is deteriorated. In order to restore the folded state, there is a problem that the engaging portion is pulled up and floated inward as shown in FIG.
【０００５】[0005]
【課題を解決するための手段】本発明は上記の課題を解
決するものであって、請求項１記載の発明（以下、本発
明１という。）は、長尺の帯状体からなり既設管内で螺
旋状に巻回し相互に隣接する側縁部同士を嵌合させて既
設管の内周面を被覆する既設管内被覆用帯状体であっ
て、帯状体本体部の一方の側縁に沿って第一のヒンジ部
を介して中間側縁部が折り畳み自在に設けられており、
さらに該中間側縁部の他方の側縁に沿って第二のヒンジ
部を介して最側縁部が折り畳み自在に設けられ、最側縁
部に巻回時外側に第一の嵌合部が、中間側縁部に巻回時
内側に第二の嵌合部が長手方向に設けられ、本体部の両
側の端部に当接部が、該両当接部の幅方向内側に、ヒン
ジ部側に第三の嵌合部が、反対側に第四の嵌合部が、巻
回時内側に長手方向に設けられ、第二のヒンジ部と第一
のヒンジ部を支点にして曲げて最側縁部と中間側縁部を
Ｚ状に折り畳み、第一の嵌合部が螺旋状に巻回し相互に
隣接する第四の嵌合部に、第二の嵌合部が第三の嵌合部
に嵌合され得る位置に設けられていることを特徴として
いる。Means for Solving the Problems The present invention solves the above-mentioned problems, and the invention according to claim 1 (hereinafter referred to as “the present invention 1”) comprises a long strip-shaped body and is provided inside an existing pipe. An existing pipe inner covering strip that spirally winds and fits mutually adjacent side edges to cover the inner peripheral surface of the existing pipe, and extends along one side edge of the strip main body. An intermediate side edge portion is provided to be freely foldable via one hinge portion,
Further, the outermost edge is provided so as to be foldable via the second hinge portion along the other side edge of the intermediate side edge, and the first fitting portion is provided on the outermost edge at the time of winding. A second fitting portion is provided in the longitudinal direction on the intermediate side edge portion at the time of winding, and a contact portion is provided at both ends of the main body portion, and a hinge portion is provided at the inside in the width direction of the both contact portions. A third fitting portion is provided on the side, and a fourth fitting portion is provided on the opposite side in the longitudinal direction at the time of winding, and the fourth fitting portion is bent by using the second hinge portion and the first hinge portion as fulcrums. The side edge portion and the intermediate side edge portion are folded in a Z shape, the first fitting portion is spirally wound, and the second fitting portion is in the third fitting portion with the fourth fitting portion adjacent to each other. It is characterized in that it is provided at a position where it can be fitted to the part.
【０００６】また、請求項２記載の発明（以下、本発明
２という。）は、長尺の帯状体からなり既設管内で螺旋
状に巻回し相互に隣接する側縁部同士を嵌合させて既設
管の内周面を被覆する既設管内被覆用帯状体であって、
帯状体本体部の一方の側縁に沿って第一のヒンジ部を介
して中間側縁部が折り畳み自在に設けられており、さら
に該中間側縁部の他方の側縁に沿って第二のヒンジ部を
介して最側縁部が折り畳み自在に設けられ、最側縁部に
巻回時内側に第二の嵌合部が、中間側縁部に巻回時外側
に第一の嵌合部が長手方向に設けられ、本体部の両側の
端部に当接部が、該両当接部の幅方向内側に、ヒンジ部
側に第三の嵌合部が、反対側に第四の嵌合部が、巻回時
内側に長手方向に設けられ、第二のヒンジ部を曲げて該
最側縁部を内側方向に折り畳み、第二の嵌合部が第三の
嵌合部に、第一の嵌合部が螺旋状に巻回し相互に隣接す
る第四の嵌合部に嵌合され得る位置に設けられているこ
とを特徴としている。According to a second aspect of the present invention (hereinafter referred to as the second aspect of the present invention), a long belt-like body is spirally wound in an existing pipe, and mutually adjacent side edges are fitted to each other. An existing pipe inner covering strip covering the inner peripheral surface of the existing pipe,
An intermediate side edge is foldably provided along one side edge of the band-shaped body main body via a first hinge portion, and a second side edge is provided along the other side edge of the intermediate side edge portion. via the hinge portion outermost side edge portion is provided foldably, the second fitting portion when the inner winding to the outermost side edge portions, a first fitting portion on the outer side when winding the intermediate side edges Are provided in the longitudinal direction, contact portions are provided at both ends of the main body portion, a third fitting portion is provided on the hinge portion side in the width direction inside of the both contact portions, and a fourth fitting portion is provided on the opposite side. engaging portion is provided on the inner side when wound around longitudinally, bending the second hinge portion folded outermost side edge portions inwardly, the second mating portion is a third fitting portion, the It is characterized in that one fitting portion is provided at a position where it can be spirally wound and fitted to a fourth fitting portion adjacent to each other.
【０００７】本発明１及び本発明２の帯状体の材質は、
製管時にヒンジ部で局部的に曲げられ力が、かかるため
に極力割れ等の発生しない合成樹脂であればよく、例え
ば、ポリエチレン、ポリプロピレン、軟質塩化ビニル等
が好ましい。[0007] The material of the strip of the present invention 1 and the present invention 2 is:
A synthetic resin that is locally bent at the hinge portion during pipe production and does not crack as much as possible may be used. For example, polyethylene, polypropylene, and soft vinyl chloride are preferable.
【０００８】そして、本発明１及び本発明２の帯状体
は、いわゆる押出成形によって所定の断面形状で連続体
として製造されるのが好ましい。また、本発明１及び本
発明２の本体部は、帯状であればよいが、軽量化等のた
め、図１に示すような薄い帯状体に断面Ｔ字状をなす複
数の補強リブが適当な間隔を隔てて本体部に長手方向に
立設させるのが好ましい。The strips of the present invention 1 and 2 are preferably manufactured as a continuous body having a predetermined cross-sectional shape by so-called extrusion molding. Further, the main body of the present invention 1 and the present invention 2 may have a belt shape, but a plurality of reinforcing ribs having a T-shaped cross section in a thin band as shown in FIG. It is preferable that the main body is vertically erected at intervals.
【０００９】また、本発明１及び本発明２のヒンジ部と
しては、例えば、帯状体肉厚の一部に溝を設けること
や、収縮性の有るものを設ける。また、本発明１及び本
発明２の嵌合部としては、断面円形、断面半円形又は、
菱形等の嵌合突条とそれらの形状に嵌合することができ
る嵌合溝を設けることが好ましい。さらに、相互に係合
状態となる部分で構成されていても良い。Further, as the hinge part of the present invention 1 and the present invention 2, for example, a groove is provided in a part of the thickness of the belt-shaped body, or a shrinkable one is provided. In addition, the fitting portion of the present invention 1 and the present invention 2 has a circular cross section, a semicircular cross section, or
It is preferable to provide a fitting ridge such as a rhombus and a fitting groove capable of fitting into the shape. Further, it may be constituted by portions that are engaged with each other.
【００１０】そして、本発明１及び本発明２の帯状体
は、リールに所定長さ分を巻取り、その状態で施工現場
に搬送し、施工現場でリールより巻き戻して使用する。
リールへの巻取りは、押出された帯状体をそのまま巻き
取ってもよいが、施工現場での折り曲げ作業をなくすた
めに、巻取り時に所定の形に折り曲げながら巻き取るこ
とが好ましい。The strips of the present invention 1 and the present invention 2 are wound on a reel for a predetermined length, transported to a construction site in that state, and unwound from the reel at the construction site for use.
For winding on a reel, the extruded belt-shaped body may be wound as it is, but it is preferable to wind while winding it into a predetermined shape at the time of winding in order to eliminate bending work at the construction site.
【００１１】そして、本発明１及び本発明２の帯状体を
用いた既設管内の被覆作業の方法は、所定の形に折り曲
げられリールに巻かれた帯状体をリールより巻き戻し
て、既設のマンホール等から既設管内に送りこむ。そし
て既設管内では、該帯状体の一端を既設管内壁に固定し
帯状体を内壁の周方向に螺旋状となるよう内壁に押しつ
け仮設置する。次にヒンジ部を折り曲げた状態で隣接帯
状体の嵌合部の位置あわせた後、ハンマー等で嵌合させ
て行う。施工性等を考慮すると、エアーハンマーを利用
する方が好ましい。帯状体は地上から管内に連続して搬
入してもよいが、製管回転時のねじれ等を考慮すると、
一定の長さごとに切断した帯状体を螺旋状にして管内に
搬入して、順に管内壁面に被覆してもよい。[0011] The method of coating the inside of an existing pipe using the strips of the present invention 1 and the present invention 2 is to rewind the strip which has been folded into a predetermined shape and wound on a reel from the reel, and has the existing manhole. And send it into the existing pipe. Then, in the existing pipe, one end of the band is fixed to the inner wall of the existing pipe, and the band is temporarily installed by being pressed against the inner wall so as to be spiral in the circumferential direction of the inner wall. Next, after the hinge portions are bent and the positions of the fitting portions of the adjacent strips are aligned, the fitting is performed with a hammer or the like. In consideration of workability and the like, it is preferable to use an air hammer. The belt-shaped body may be continuously carried into the pipe from the ground, but in consideration of torsion etc. at the time of pipe making rotation,
The strip-shaped body cut into a predetermined length may be spirally carried into the pipe, and may be sequentially coated on the inner wall surface of the pipe.
【００１２】[0012]
【作用】本発明１及本発明２の帯状体は、上記のように
既設管内に送りこまれるときに所定の形状に折り曲げら
れているが、仮設置後嵌合する場合にも特に折り曲げら
れた形状を変えることなく、そのまま嵌合させることが
できる。The strips of the present invention 1 and the present invention 2 are bent into a predetermined shape when they are fed into the existing pipe as described above, but are particularly bent when they are fitted after the temporary installation. Can be fitted as it is without changing.
【００１３】また、折り曲げられた形状を折り戻したり
しないので嵌合後、隣接するの帯状体の端が持ち上がる
ことがない。本発明１は、上記のように長尺の帯状体か
らなり既設管内で螺旋状に巻回し相互に隣接する側縁部
同士を嵌合させて既設管の内周面を被覆する既設管内被
覆用帯状体であって、帯状体本体部の一方の側縁に沿っ
て第一のヒンジ部を介して中間側縁部が折り畳み自在と
なされているので、被覆する前に、帯状体の一方の側縁
部に設けられた第二のヒンジ部と第一のヒンジ部を支点
にして曲げて最側縁部と中間側縁部をＺ状に折り畳まれ
た状態にし、第一の嵌合部が螺旋状に巻回し相互に隣接
する第四の嵌合部に、第二の嵌合部が第三の嵌合部に嵌
合させて被覆することができる。Further, since the bent shape is not folded back, the end of the adjacent belt-like body does not rise after fitting. The first aspect of the present invention is an existing pipe for covering an inner peripheral surface of an existing pipe, which is formed of a long strip as described above, is spirally wound in the existing pipe, and the mutually adjacent side edges are fitted to each other to cover the inner peripheral surface of the existing pipe. In the belt-like body, the intermediate side edge is foldable via the first hinge portion along one side edge of the belt-like body main body, so that one side of the belt-like body is covered before coating. The second hinge part and the first hinge part provided at the edge are bent with the fulcrum as a fulcrum, so that the outermost edge and the intermediate edge are folded in a Z shape, and the first fitting part is spiral. The second fitting part can be fitted to the third fitting part to cover the fourth fitting part wound in a shape and adjacent to each other.
【００１４】本発明２は，上記のように長尺の帯状体か
らなり既設管内で螺旋状に巻回し相互に隣接する側縁部
同士を嵌合させて既設管の内周面を被覆する既設管内被
覆用帯状体であって、帯状体本体部の一方の側縁に沿っ
て第一のヒンジ部を介して中間側縁部が折り畳み自在と
なされているので、第二のヒンジ部を支点にして曲げる
ことができ、被覆する際、第二の嵌合部の第三の嵌合部
への嵌合が容易となる。また、被覆する前に、帯状体の
一方の側縁部に設けられた第二のヒンジ部を支点にして
曲げて最側縁部を内側方向に折り畳まれた状態にした
後、第一の嵌合部が第四の嵌合部に、第二の嵌合部が螺
旋状に巻回し相互に隣接する第三の嵌合部に嵌合されて
被覆することができる。According to the second aspect of the present invention, there is provided an existing pipe which is formed of a long strip as described above, is spirally wound inside the existing pipe, and the adjacent side edges are fitted to each other to cover the inner peripheral surface of the existing pipe. Since the inner side edge portion is a foldable portion via the first hinge portion along one side edge of the inner portion of the tube, the second hinge portion is used as a fulcrum. And, when covering, the second fitting portion can be easily fitted into the third fitting portion . Further, before covering, the second hinge portion provided on one side edge of the band-shaped body is bent as a fulcrum to make the outermost edge folded inward, and then the first fitting is performed. The mating part can be wound around the fourth fitting part and the second fitting part can be spirally wound and fitted to the third fitting part adjacent to each other to cover.
【００１５】[0015]
【実施例】本発明１の実施例について以下に説明する。
本発明１の既設管内被覆用帯状体は図１に示す断面をし
ている。螺旋状に巻回されて被覆用の管とされて、例え
ば、老朽化した下水管等の既設管やマンホール等の内周
面を被覆するために使用される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention 1 will be described below.
The existing in-pipe covering strip of the present invention 1 has a cross section shown in FIG. It is spirally wound to form a pipe for coating, and is used, for example, for coating an existing pipe such as an aged sewer pipe or an inner peripheral surface of a manhole.
【００１６】図１において、１は既設管内被覆用帯状
体、２は本体部、３は中間側縁部、４は最側縁部であ
る。中間側縁部３は、第一のヒンジ部３２を介して、最
側縁部は、第二のヒンジ部３０を介して本体部２に一体
に取付けられている。本体部２の両端にストッパーリブ
１９ａとストッパーリブ１９ｂが長手方向に設けられ、
断面Ｕ字状をなした第二のヒンジ部３０と第一のヒンジ
部３２が長手方向に設けられ、中間側縁部に第二の嵌合
部１４が長手方向に設けられ、第二の嵌合部１４には支
柱部と、支柱部の上端に設けられた断面半円状の挿入部
とを有している。最側縁部４に第一の嵌合部１３が長手
方向に設けられ、第一の嵌合部１３には支柱部と、支柱
部の上端に設けられた断面半円状の挿入部とを有してい
る。本体部２の一方の側縁に第二の嵌合部１４の挿入部
が嵌合しえるように断面半円状の空間を有する第三の嵌
合部２０が、他方の側縁に第二の嵌合１３の挿入部が嵌
合しえるように断面半円状の空間を有する第四の嵌合部
２１が長手方向に設けられている。本体部２の一方の側
縁に、中間側縁部３と最側縁部４の厚さ分だけ段落ちし
た段落ち部１８が、一方の側縁に、最側縁部４の厚さ分
だけ段落ちした段落ち部１７が長手方向に設けられてい
る。段落ち部１７と段落ち部１８には接着のためアクリ
ル系接着剤、ホットメルト接着剤等を塗布されてもよ
い。In FIG. 1, reference numeral 1 denotes an existing pipe covering strip, 2 denotes a main body, 3 denotes an intermediate side edge, and 4 denotes an outermost edge. The intermediate side edge 3 is integrally attached to the main body 2 via a first hinge 32 and the outermost edge is via a second hinge 30. A stopper rib 19a and a stopper rib 19b are provided at both ends of the main body 2 in the longitudinal direction,
A second hinge portion 30 and a first hinge portion 32 having a U-shaped cross section are provided in the longitudinal direction, and the second fitting portion 14 is provided in the middle side edge portion in the longitudinal direction. supporting the engaging portion 14
It has a pillar portion and an insertion portion having a semicircular cross section provided at the upper end of the pillar portion . A first fitting portion 13 is provided at the outermost edge portion 4 in the longitudinal direction, and the first fitting portion 13 has a support portion and a support portion .
And an insertion portion having a semicircular cross section provided at the upper end of the portion . A third fitting portion 20 having a space having a semicircular cross section so that the insertion portion of the second fitting portion 14 can be fitted to one side edge of the main body portion 2 is provided on the other side. A fourth fitting portion 21 having a space having a semicircular cross section is provided in the longitudinal direction so that the insertion portion of the second fitting 13 can be fitted to the edge. On one side edge of the main body 2, a stepped portion 18 stepped down by the thickness of the intermediate side edge 3 and the outermost edge 4 is provided on one side edge by the thickness of the outermost edge 4. A stepped portion 17 that is only stepped down is provided in the longitudinal direction. An acrylic adhesive, a hot-melt adhesive, or the like may be applied to the step-down portions 17 and 18 for adhesion.
【００１７】本体部２には断面Ｔ字状の補強リブ１６が
必要強度に応じて、本体部２と一体的に巻回時外側に複
数１６，１６，１６・・・と適当な間隔を隔てて長手方
向に設けられている。A reinforcing rib 16 having a T-shaped cross section is provided on the main body 2 at a suitable interval with a plurality of 16, 16, 16... Are provided in the longitudinal direction.
【００１８】第一の嵌合部１３から第二のヒンジ部３０
までの距離Ｌ１と、第二のヒンジ部３０から螺旋状に巻
回し相互に隣接する側縁部の嵌合溝２１までの距離Ｌ２
とが略同一に設定され、第二の嵌合部１４から第一のヒ
ンジ部までの距離Ｌ３と、嵌合溝２０から第一のヒンジ
部３２までの距離Ｌ４とが略同一に設定されている。From the first fitting portion 13 to the second hinge portion 30
And a distance L2 from the second hinge portion 30 to the fitting groove 21 of a side edge wound spirally and adjacent to each other.
And the distance L3 from the second fitting portion 14 to the first hinge portion and the distance L4 from the fitting groove 20 to the first hinge portion 32 are set to be substantially the same. I have.
【００１９】被覆前に第二のヒンジ部３０と第一のヒン
ジ部３２を支点にして曲げて最側縁部４と中間側縁部３
をＺ状に折り畳まれた状態にし、ストッパーリブ１９ａ
と螺旋状に巻回し相互に隣接するストッパーリブ１９ｂ
を当接させ、嵌合突条１３が螺旋状に巻回し相互に隣接
する第四の嵌合部２１に、第二の嵌合部１４が第三の嵌
合部２０に嵌合させて被覆する。Before coating, the outermost edge 4 and the intermediate edge 3 are bent by using the second hinge 30 and the first hinge 32 as fulcrums.
Is folded in a Z shape, and the stopper rib 19a
Stopper ribs 19b wound spirally with each other and adjacent to each other
The fitting ridge 13 is spirally wound to cover the fourth fitting portion 21 adjacent to the fourth fitting portion 21 and the second fitting portion 14 is fitted to the third fitting portion 20. I do.
【００２０】本発明１の帯状体の施工方法は、帯状体の
側縁部を所定の形に折り曲げられリールに巻かれた帯状
体を既設のマンホールから既設管内に送りこむ。そして
既設管内では、該帯状体の一端を既設管内壁に固定し帯
状体を内壁の周方向に螺旋状となるよう内壁に押しつけ
仮設置する。その後、嵌合部を順次、嵌め込んでいくこ
とによって行われる。帯状体は、一定の長さごとに切断
した帯状体を螺旋状にして管内に搬入して、順に管内壁
面に被覆していく。次にヒンジ部を折り曲げた状態で隣
接帯状体の嵌合部の位置あわせた後、エアーハンマーで
嵌合する。In the method of constructing a band according to the first aspect of the present invention, the side edge of the band is bent into a predetermined shape, and the band wound on a reel is fed from an existing manhole into an existing pipe. Then, in the existing pipe, one end of the band is fixed to the inner wall of the existing pipe, and the band is temporarily installed by being pressed against the inner wall so as to be spiral in the circumferential direction of the inner wall. Thereafter, the fitting is performed by sequentially fitting the fitting portions. The band-shaped body is formed by spirally cutting a band-shaped body cut into a predetermined length, carried into the tube, and sequentially covering the inner wall surface of the tube. Then, after the hinge portions are bent and the positions of the fitting portions of the adjacent belt-like bodies are aligned, they are fitted with an air hammer.
【００２１】本発明２の実施例について以下に説明す
る。本発明２の既設管内被覆用帯状体は図３に示す断面
をしている。海棲生物を管の内周面に付着させないよう
に、本体部１の巻回時内側にベリリウム銅合金板１００
が、最側縁部４の巻回時外側にベリリウム銅合金板１０
１が長手方向に設けられている。An embodiment of the present invention 2 will be described below. The existing in-pipe coating strip according to the second aspect of the present invention has a cross section shown in FIG. The beryllium copper alloy sheet 100 is wound inside the main body 1 when it is wound so that marine organisms do not adhere to the inner peripheral surface of the tube.
Is a beryllium copper alloy plate 10 on the outer side when the outermost edge 4 is wound.
1 are provided in the longitudinal direction.
【００２２】図３において、１は既設管内被覆用帯状
体、２は本体部、３は中間側縁部、４は最側縁部であ
る。中間側縁部３は、第一のヒンジ部３２を介して、最
側縁部は、第二のヒンジ部３０を介して本体部２に一体
に取付けられている。本体部２の両端にストッパーリブ
１９ａとストッパーリブ１９ｂが長手方向に設けられ、
断面Ｕ字状をなした第二のヒンジ部３０と第一のヒンジ
部３２が長手方向に設けられ、最側縁部４に第二の嵌合
部条１４が長手方向に設けられ、第二の嵌合部１４には
支柱部と、支柱部の上端に設けられた断面半円状の挿入
部とを有している。中間側縁部３に第一の嵌合部１３が
長手方向に設けられ、第一の嵌合部１３には支柱部と、
支柱部の上端に設けられた断面半円状の挿入部とを有し
ている。本体部２の一方の側縁に第二の嵌合部１４の挿
入部が嵌合しえるように断面半円状の空間を有する第三
の嵌合部２０が、他方の側縁に第一の嵌合部１３の挿入
部が嵌合しえるように断面半円状の空間を有する第四の
嵌合部２１が長手方向に設けられている。本体部２の一
方の側縁に、中間側縁部３と最側縁部４の厚さ分だけ段
落ちした段落ち部１７が、他方の側縁に、最側縁部４の
厚さ分だけ段落ちした段落ち部１８が長手方向に設けら
れている。段落ち部１７と段落ち部１８には接着のため
ホットメルト接着剤を塗布されてもよい。In FIG. 3, reference numeral 1 denotes an existing in-pipe coating strip, 2 a main body, 3 an intermediate side edge, and 4 an outermost edge. The intermediate side edge 3 is integrally attached to the main body 2 via a first hinge 32 and the outermost edge is via a second hinge 30. A stopper rib 19a and a stopper rib 19b are provided at both ends of the main body 2 in the longitudinal direction,
A second hinge portion 30 and a first hinge portion 32 having a U-shaped cross section are provided in the longitudinal direction, and the second fitting portion strip 14 is provided in the outermost edge portion 4 in the longitudinal direction. The fitting part 14 of
Support part and semicircular cross-section insertion provided at the upper end of support part
Part . A first fitting portion 13 is provided on the intermediate side edge portion 3 in the longitudinal direction, and a support portion is provided on the first fitting portion 13,
And an insertion portion having a semicircular cross section provided at the upper end of the support portion . Interpolation of the second fitting portion 14 to one side edge of the main body 2
Third having a semicircular cross-section space so join the club is capable of fitting
Of the fitting portion 20, the insertion of the first mating portion 13 on the other side edge
A fourth fitting portion 21 having a space having a semicircular cross section is provided in the longitudinal direction so that the portions can be fitted. On one side edge of the main body 2, a stepped portion 17 stepped down by the thickness of the intermediate side edge 3 and the outermost edge 4 is provided on the other side edge by the thickness of the outermost edge 4. A stepped portion 18 that is only stepped down is provided in the longitudinal direction. A hot melt adhesive may be applied to the stepped portions 17 and 18 for bonding.
【００２３】第一の嵌合部１３から第三の嵌合部２０ま
での距離Ｌ１０と、第三の嵌合部２０から螺旋状に巻回
し相互に隣接する第四の嵌合部２１までの距離Ｌ１２と
が略同一に設定されている。第一の嵌合部１３から第二
のヒンジ部３０までの距離Ｌ１１と、第三の嵌合溝２０
から第二のヒンジ部３０までの距離Ｌ１３とが略同一に
設定されている。The distance L10 from the first fitting portion 13 to the third fitting portion 20 and the distance L10 from the third fitting portion 20 to the fourth fitting portion 21 wound spirally and adjacent to each other. The distance L12 is set substantially the same. The distance L11 from the first fitting portion 13 to the second hinge portion 30 and the third fitting groove 20
And the distance L13 from the second hinge portion 30 to the second hinge portion 30 are set to be substantially the same.
【００２４】被覆前に第二のヒンジ部３０を支点にして
曲げて最側縁部を内側方向に畳み端部を折り畳まれた状
態にし、ストッパーリブ１９ａと螺旋状に巻回し相互に
隣接するストッパーリブ１９ｂを当接させ、第一の嵌合
部１３が螺旋状に巻回し相互に隣接する第四の嵌合部２
１に、第二の嵌合部１４が第三の嵌合部２０に嵌合させ
て被覆する。Before covering, the second hinge portion 30 is bent as a fulcrum so that the outermost edge is folded inward and the end portion is folded, and the stopper rib 19a is spirally wound to form a stopper adjacent to the stopper rib 19a. The ribs 19b are brought into contact with each other, the first fitting portion 13 is spirally wound, and the fourth fitting portions 2 adjacent to each other are wound.
First, the second fitting portion 14 is fitted to and covered by the third fitting portion 20.
【００２５】そして、本発明１の施工方法と同様の方法
で被覆した。さらに、海棲生物は金属板同士に１mm程度
の間隙があると付着するため、金属板１００又は金属板
１０１の幅を本体部２又は最側縁部４の幅よりも若干大
きくし、金属板１００と金属板１０１との間に隙間が出
来ないようにした。Then, coating was carried out in the same manner as the construction method of the first invention. Further, since the marine organisms adhere to each other when there is a gap of about 1 mm between the metal plates, the width of the metal plate 100 or the metal plate 101 is made slightly larger than the width of the main body portion 2 or the outermost edge portion 4, and A gap was not formed between the metal plate 100 and the metal plate 101.
【００２６】本発明２を海水の排出管として用いたとこ
ろ管内面に海棲生物が付着しなかった。実施例において
は、金属板１００と金属板１０１の厚さは、０．５mm、
帯状体の肉厚は３mm、リブの高さは１５mmである。金属
板の肉厚は例えば銅合金の場合、０．３mm〜０．８mm、
帯状体の肉厚は２mm〜４mm、リブの高さは１０mm〜２０
mmの範囲であれば良い。When the present invention 2 was used as a seawater discharge pipe, no marine organisms adhered to the inner surface of the pipe. In the embodiment, the thickness of the metal plate 100 and the metal plate 101 is 0.5 mm,
The thickness of the strip is 3 mm, and the height of the rib is 15 mm. The thickness of the metal plate is, for example, 0.3 mm to 0.8 mm in the case of a copper alloy,
The thickness of the band is 2 mm to 4 mm, and the height of the rib is 10 mm to 20 mm.
It may be in the range of mm.
【００２７】本発明１及び２の帯状体の材質は、ポリエ
チレンが好ましい。帯状体に貼り付ける金属板として、
銅、スズ又はそれらの合金等海棲生物忌避の効果が期待
できるものであればよいが、とくにベリリウム銅合金が
好ましい。The material of the strips of the present inventions 1 and 2 is preferably polyethylene. As a metal plate to be attached to a band,
Any material such as copper, tin or an alloy thereof can be expected to have the effect of repelling marine organisms, but a beryllium copper alloy is particularly preferable.
【００２８】[0028]
【発明の効果】既設管内に送りこまれるときに所定の形
状に折り曲げられており、仮設置後嵌合する場合にも特
に折り曲げられた形状を変えることなく、そのまま嵌合
させることができるので、係合させる際に端部を元の状
態に折り戻す必要が無く、労力を要せず、施工性が良く
なり、係合部が引上げられ内側に浮き上がらず管内周面
が波形にならない。According to the present invention, since it is bent into a predetermined shape when it is fed into the existing pipe, it can be fitted without any change in the bent shape even when it is fitted after provisional installation. There is no need to fold the ends back to the original state at the time of joining, no labor is required, the workability is improved, the engaging portion is pulled up and does not float inside, and the inner peripheral surface of the pipe does not have a waveform.
【図１】本発明１の既設管被覆用帯状体を示す断面図。FIG. 1 is a cross-sectional view showing an existing pipe covering strip of the present invention 1. FIG.
【図２】図１の帯状体の嵌合動作を示す部分断面図。FIG. 2 is a partial cross-sectional view showing a fitting operation of the belt-shaped body of FIG.
【図３】本発明２の既設管被覆用帯状体を示す断面図。FIG. 3 is a sectional view showing an existing pipe covering strip according to the second embodiment of the present invention.
【図４】図２の帯状体の嵌合動作を示す部分断面図。FIG. 4 is a partial cross-sectional view showing a fitting operation of the belt-shaped body of FIG. 2;
【図５】従来技術の帯状体の嵌合後に波形になった状態
を示す部分断面図。FIG. 5 is a partial cross-sectional view showing a state in which the belt-shaped body of the related art has a waveform after fitting.
【図６】従来技術によって既設管を被覆する施工途中の
部分断面図。FIG. 6 is a partial cross-sectional view in the process of covering an existing pipe by a conventional technique.
１ 帯状体 ２ 本体部 ３ 中間側縁部 ４ 最側縁部 １３ 第一の嵌合部 １４ 第二の嵌合部 １６ Ｔ形リブ １７ 段落ち部 １８ 段落ち部 １９ａ・１９ｂ ストッパーリブ ２０ 第三の嵌合部 ２１ 第四の嵌合部 ３０ 第二のヒンジ部 ３２ 第一のヒンジ部 １００ 金属板 １０１ 金属板 REFERENCE SIGNS LIST 1 strip 2 main body 3 intermediate side edge 4 outermost edge 13 first fitting section 14 second fitting section 16 T-shaped rib 17 step drop section 18 step drop section 19a / 19b stopper rib 20 third Fitting part 21 fourth fitting part 30 second hinge part 32 first hinge part 100 metal plate 101 metal plate
Claims (2)
巻回し相互に隣接する側縁部同士を嵌合させて既設管の
内周面を被覆する既設管内被覆用帯状体であって、帯状
体本体部の一方の側縁に沿って第一のヒンジ部を介して
中間側縁部が折り畳み自在に設けられており、さらに該
中間側縁部の他方の側縁に沿って第二のヒンジ部を介し
て最側縁部が折り畳み自在に設けられ、最側縁部に巻回
時外側に第一の嵌合部が、中間側縁部に巻回時内側に第
二の嵌合部が長手方向に設けられ、本体部の両側の端部
に当接部が、該両当接部の幅方向内側に、ヒンジ部側に
第三の嵌合部が、反対側に第四の嵌合部が、巻回時内側
に長手方向に設けられ、第二のヒンジ部と第一のヒンジ
部を支点にして曲げて最側縁部と中間側縁部をＺ状に折
り畳み、第一の嵌合部が螺旋状に巻回し相互に隣接する
第四の嵌合部に、第二の嵌合部が第三の嵌合部に嵌合さ
れ得る位置に設けられていることを特徴としている既設
管内被覆用帯状体。The present invention relates to a tube for covering an inner pipe of an existing pipe, which is formed of a long strip and spirally wound in the existing pipe, and the adjacent side edges are fitted to each other to cover the inner peripheral surface of the existing pipe. An intermediate side edge is provided to be freely foldable along a first side edge of the band-shaped body main body via a first hinge portion, and further along the other side edge of the intermediate side edge portion. The outermost edge is provided so as to be freely foldable via the second hinge portion, the first fitting portion is provided on the outermost edge at the time of winding, and the second fitting is provided on the intermediate side edge at the time of winding. A mating portion is provided in the longitudinal direction, a contact portion is provided at both ends of the main body portion, a third fitting portion is provided on the hinge portion side in the width direction inside of the both contact portions, and a fourth fitting portion is provided on the opposite side. Is provided inside in the longitudinal direction at the time of winding, is bent with the second hinge portion and the first hinge portion as a fulcrum, and the outermost edge portion and the intermediate side edge portion are folded in a Z shape, One fit The existing pipe is characterized in that the second fitting part is provided at a position where the second fitting part can be fitted to the third fitting part at the fourth fitting part wound spirally and adjacent to each other. Strips for coating.
巻回し相互に隣接する側縁部同士を嵌合させて既設管の
内周面を被覆する既設管内被覆用帯状体であって、帯状
体本体部の一方の側縁に沿って第一のヒンジ部を介して
中間側縁部が折り畳み自在に設けられており、さらに該
中間側縁部の他方の側縁に沿って第二のヒンジ部を介し
て最側縁部が折り畳み自在に設けられ、最側縁部に巻回
時内側に第二の嵌合部が、中間側縁部に巻回時外側に第
一の嵌合部が長手方向に設けられ、本体部の両側の端部
に当接部が、該両当接部の幅方向内側に、ヒンジ部側に
第三の嵌合部が、反対側に第四の嵌合部が、巻回時内側
に長手方向に設けられ、第二のヒンジ部を曲げて該最側
縁部を内側方向に折り畳み、第二の嵌合部が第三の嵌合
部に、第一の嵌合部が螺旋状に巻回し相互に隣接する第
四の嵌合部に嵌合され得る位置に設けられていることを
特徴としている既設管内被覆用帯状体。2. An existing pipe inner covering strip which is formed of a long strip and spirally wound in the existing pipe, and the adjacent side edges are fitted to each other to cover the inner peripheral surface of the existing pipe. An intermediate side edge is provided to be freely foldable along a first side edge of the band-shaped body main body via a first hinge portion, and further along the other side edge of the intermediate side edge portion. The outermost edge is provided so as to be foldable via the second hinge portion, and the second fitting portion is provided inside the outermost edge when wound around the outermost edge while being wound around the outermost edge portion .
One fitting portion is provided in the longitudinal direction, a contact portion is provided on both ends of the main body portion, a third fitting portion is provided on the hinge portion side on the inner side in the width direction of the both contact portions, and an opposite side. A fourth fitting portion is provided in the longitudinal direction on the inner side at the time of winding, the second hinge portion is bent to fold the outermost edge inward, and the second fitting portion becomes the third fitting portion . An existing in-pipe covering strip, wherein the first fitting portion is provided at a position where the first fitting portion is spirally wound and can be fitted to the fourth fitting portion adjacent to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15522593A JP3192825B2 (en) | 1993-06-25 | 1993-06-25 | Belt for coating inside existing pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15522593A JP3192825B2 (en) | 1993-06-25 | 1993-06-25 | Belt for coating inside existing pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH079553A JPH079553A (en) | 1995-01-13 |
| JP3192825B2 true JP3192825B2 (en) | 2001-07-30 |
Family
ID=15601263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15522593A Expired - Fee Related JP3192825B2 (en) | 1993-06-25 | 1993-06-25 | Belt for coating inside existing pipes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3192825B2 (en) |
-
1993
- 1993-06-25 JP JP15522593A patent/JP3192825B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079553A (en) | 1995-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2767427B2 (en) | Corrugated pipe manufacturing method | |
| UA82320C2 (en) | Composite strip windable to form helical pipe (embodiments), pipe produced by spiral winding of composite strip (embodiments) and method for producing spiral windable plastic pipe with metal reinforcement (embodiments) | |
| WO1998032997A1 (en) | Lining device for inside of free section duct | |
| JP4331818B2 (en) | Rehabilitation method for existing pipe having straight pipe part and curved part and connecting member for belt-like body | |
| JP3192825B2 (en) | Belt for coating inside existing pipes | |
| JPH06143420A (en) | Beltlike body for lining of existing pipe | |
| JPH018789Y2 (en) | ||
| JP3035466B2 (en) | Lining construction method and its construction equipment for irregular cross-section culvert | |
| JP2634393B2 (en) | Plastics spiral wound double tube for propulsion method and method of manufacturing the same | |
| JPH1134165A (en) | Strip-like element for lining existing tube | |
| JPH06190922A (en) | Lining method for existing pipe | |
| JP3644828B2 (en) | Helical tube forming strip member and existing pipe lining method | |
| JP2000055245A (en) | Manufacture of spiral tube | |
| JP2000141487A (en) | Method for connecting lining tube and lining tube connecting member | |
| JP3763945B2 (en) | Pipe lining method | |
| KR101481700B1 (en) | Resin pipe diameter corrugated steel pipe integrated | |
| JP2602636B2 (en) | Existing pipe lining method | |
| JP2015006744A (en) | Reinforcing material-containing belt-shaped member, and production method thereof | |
| JP3749603B2 (en) | Strip for existing pipe lining | |
| JP2000272006A (en) | Formation of spiral pipe and technique for renewing existing pipe | |
| JP4012317B2 (en) | Backlining material secondary lining method | |
| JP4037558B2 (en) | Strip-shaped member for spiral tube formation | |
| JPH0123020Y2 (en) | ||
| JPH0413152Y2 (en) | ||
| JPH09300466A (en) | Profile for lining existing pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090525 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090525 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100525 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110525 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110525 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120525 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130525 Year of fee payment: 12 |
|
| LAPS | Cancellation because of no payment of annual fees |