JP2001012680A - End enlarging jig of pipe lining cylinder - Google Patents
End enlarging jig of pipe lining cylinderInfo
- Publication number
- JP2001012680A JP2001012680A JP11185522A JP18552299A JP2001012680A JP 2001012680 A JP2001012680 A JP 2001012680A JP 11185522 A JP11185522 A JP 11185522A JP 18552299 A JP18552299 A JP 18552299A JP 2001012680 A JP2001012680 A JP 2001012680A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- lining cylinder
- pipe lining
- cylinder
- lining
- 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.)
- Pending
Links
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
- F16L55/18—Appliances for use in repairing pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (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、径方向に折り畳み
変形させた熱可塑性樹脂製の管内ライニング用筒体を既
設管内で拡径変形させて、その既設管の内周面をライニ
ングする際に、管内ライニング用筒体の内側に加熱流体
を圧入して拡径変形させることができるように、拡径変
形前の管内ライニング用筒体の端部に塞ぎ部材を装着す
る技術に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a process for expanding the diameter of a thermoplastic resin lining tube made of thermoplastic resin which has been folded and deformed in the radial direction in an existing tube and lining the inner peripheral surface of the existing tube. The present invention relates to a technique for mounting a closing member at an end of a pipe lining cylinder before diameter expansion deformation so that a heating fluid can be press-fitted into the inside of the pipe lining cylinder to expand the diameter.
【０００２】[0002]
【従来の技術】上記拡径変形前の管内ライニング用筒体
の端部に塞ぎ部材を装着する際には、従来、管内ライニ
ング用筒体の端部を加熱して軟化させるとともに、その
端部を手で把持して、塞ぎ部材を装着できる形状に押し
広げている。2. Description of the Related Art Conventionally, when a closing member is attached to an end of a tubular lining tube before the above-mentioned diameter expansion deformation, an end portion of the tubular lining tube is heated and softened, and the end portion is heated. Is gripped by hand, and is spread out so that the closing member can be attached.
【０００３】[0003]
【発明が解決しようとする課題】このため、管内ライニ
ング用筒体の端部が熱くて作業性が悪いとともに、手に
力が入り過ぎて端部が拡がり過ぎると、塞ぎ部材を密閉
性良く装着しにくい欠点がある。本発明は上記実情に鑑
みてなされたものであって、管内ライニング用筒体の端
部を作業性良く押し広げて、塞ぎ部材を密閉性良く装着
できるようにすることを目的とする。For this reason, when the end of the tube for lining in a pipe is hot and workability is poor, and when the end is too wide due to excessive force applied to the hand, the closing member is attached with good sealing. There are drawbacks that are difficult to do. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to push and spread the end of a tubular body for lining with good workability so that a closing member can be attached with good sealing.
【０００４】[0004]
【課題を解決するための手段】請求項１記載の発明の特
徴構成は、径方向に折り畳み変形させてある熱可塑性樹
脂製の管内ライニング用筒体の端部に挿入する複数の挿
入部材と、それらの挿入部材を筒体径方向に互いに離間
するように移動操作自在な操作部とを設けて、前記管内
ライニング用筒体の端部を、既設管内に挿入した管内ラ
イニング用筒体の内側に加熱流体を圧入してその管内ラ
イニング用筒体を拡径変形させるための塞ぎ部材を装着
できる形状に拡径変形できるようにしてある管内ライニ
ング用筒体の端部拡径治具にある。 〔作用〕 径方向に折り畳み変形させてある熱可塑性樹
脂製の管内ライニング用筒体の端部に複数の挿入部材を
挿入して、それらの挿入部材を筒体径方向に互いに離間
するように操作部で移動操作することにより、加熱によ
り軟化した管内ライニング用筒体の端部を、塞ぎ部材を
装着できる形状に拡径変形させることができる。 〔効果〕 従って、管内ライニング用筒体を手で把持す
る必要がないので、加熱により熱くなった管内ライニン
グ用筒体の端部を作業性良く押し広げることができ、し
かも、端部が拡がり過ぎないように挿入部材の移動操作
量を調節することにより、塞ぎ部材を密閉性良く装着で
きる。A feature of the invention according to claim 1 is that a plurality of insertion members are inserted into the end of a tubular lining tube made of thermoplastic resin which is folded and deformed in the radial direction. An operating portion operable to move the insertion members so as to be separated from each other in the cylinder radial direction is provided, and the end of the in-tube lining cylinder is inserted inside the in-tube lining cylinder inserted into the existing pipe. An end-diameter jig of an in-tube lining cylinder which is capable of expanding and deforming into a shape capable of mounting a closing member for press-fitting a heating fluid to expand and deform the in-tube lining cylinder. [Operation] A plurality of insertion members are inserted into the end of a thermoplastic resin-made in-tube lining cylinder that is folded and deformed in the radial direction, and the insertion members are operated so as to be separated from each other in the cylinder radial direction. By performing the moving operation at the portion, the end of the in-pipe lining cylinder softened by heating can be expanded and deformed into a shape in which the closing member can be attached. [Effect] Therefore, since it is not necessary to grip the pipe lining cylinder by hand, the end of the pipe lining cylinder heated by heating can be pushed out with good workability, and the end is too wide. By adjusting the amount of movement of the insertion member so that the insertion member does not move, the closing member can be mounted with good sealing.
【０００５】請求項２記載の発明の特徴構成は、前記挿
入部材の前記管内ライニング用筒体を拡径方向に押圧す
る押圧面の各々を、管内ライニング用筒体への挿入方向
に沿って一連に形成し、それらの押圧面を先端側ほど互
いに近接するように配置してある点にある。 〔作用〕 複数の挿入部材どうしの間隔を、拡径変形前
の管内ライニング用筒体の内径に応じて特に調節するこ
となく、それらの挿入部材を管内ライニング用筒体に挿
入できる。 〔効果〕 種々の内径の管内ライニング用筒体を、一つ
の端部拡径治具で拡径変形させることができる。[0005] A feature of the invention according to claim 2 is that the pressing surface of the insertion member for pressing the in-pipe lining cylinder in the radially expanding direction is arranged along the inserting direction into the in-pipe lining cylinder. And their pressing surfaces are arranged so that they are closer to each other as they approach the distal end. [Operation] These insertion members can be inserted into the in-tube lining cylinder without particularly adjusting the interval between the plurality of insertion members according to the inner diameter of the in-pipe lining cylinder before the diameter expansion deformation. [Effect] It is possible to expand and deform a cylindrical body for in-tube linings having various inner diameters with one end expanding jig.
【０００６】請求項３記載の発明の特徴構成は、前記操
作部と前記複数の挿入部材とを、一つの操作部による単
一操作で、前記複数の挿入部材が互いに離間する方向に
同時に移動するように連係させてある点にある。 〔作用〕 一つの操作部による単一操作で、複数の挿入
部材を互いに離間する方向に同時に移動させることがで
きる。 〔効果〕 管内ライニング用筒体の端部を作業性良く簡
便に押し広げることができる。According to a third aspect of the present invention, the operation section and the plurality of insertion members are simultaneously moved in a direction in which the plurality of insertion members are separated from each other by a single operation of one operation section. The point is that they are linked as follows. [Operation] With a single operation by one operation unit, a plurality of insertion members can be simultaneously moved in the direction away from each other. [Effect] The end of the pipe-lining tubing can be easily spread with good workability.
【０００７】[0007]
【発明の実施の形態】以下に本発明の実施の形態を図面
に基づいて説明する。図１は、既設管の一例である地中
に埋設してある既設の都市ガス用金属製配管Ａのガス漏
れを補修したり予防する為に、その内周面を管内ライニ
ング用筒体Ｂでライニングしてある都市ガス用配管Ａの
ライニング構造を示し、管内ライニング用筒体Ｂは、熱
可塑性樹脂の一例としての中密度ポリエチレン樹脂で押
し出し成形してある。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of an existing pipe. In order to repair or prevent a gas leak from an existing metal pipe A for city gas which is buried underground, the inner peripheral surface of the pipe is lined with an inner pipe lining cylinder B. 1 shows a lining structure of a lined city gas pipe A, in which a pipe lining cylinder B is extruded with a medium density polyethylene resin as an example of a thermoplastic resin.
【０００８】図２は、拡径変形させる前の管内ライニン
グ用筒体Ｂを示し、筒長手方向に沿って筒体内側に向け
て屈曲させた屈曲部１を筒周方向の１箇所に形成して、
予め径方向に折り畳み変形させてあり、この折り畳み変
形させた管内ライニング用筒体Ｂを配管Ａ内に挿入し、
その管内ライニング用筒体Ｂの内側に圧入した加熱流体
としてのスチームで拡径変形させて、配管Ａの内周面を
ライニングしてある。FIG. 2 shows a tubular body B for lining inside a pipe before the tube is expanded and deformed. A bent portion 1 bent toward the inside of the tubular body along the longitudinal direction of the tubular body is formed at one location in the circumferential direction of the tubular body. hand,
The tube has been folded and deformed in the radial direction in advance, and the folded tube-forming lining cylinder B is inserted into the pipe A,
The inner peripheral surface of the pipe A is lined by expanding the diameter of the pipe A with steam as a heating fluid press-fitted inside the pipe lining cylinder B.
【０００９】図３は、管内ライニング用筒体Ｂの端部
を、配管Ａ内に挿入した管内ライニング用筒体Ｂの内側
にスチームを圧入してその管内ライニング用筒体Ｂを拡
径変形させるための塞ぎ部材２を装着できる形状に拡径
変形できるようにしてある管内ライニング用筒体Ｂの端
部拡径治具Ｃを示す。前記端部拡径治具Ｃは、拡径変形
前の管内ライニング用筒体Ｂの端部に挿入する二本の鋼
管製挿入部材３と、それらの挿入部材３を筒体径方向に
互いに離間するように移動操作自在な一つの操作部とし
ての揺動操作レバー４と、揺動操作レバー４による単一
操作で、二本の挿入部材３が互いに離間する方向に同時
に移動するように、揺動操作レバー４と二本の挿入部材
３とを連係させる連係機構５とを設けて構成してある。
前記挿入部材３の各々は、図４にも示すように、管内ラ
イニング用筒体Ｂを拡径方向に押圧する押圧面６を備
え、各押圧面６を管内ライニング用筒体Ｂへの挿入方向
に沿って一連に形成するとともに、それらの押圧面６を
先端側ほど互いに近接するように配置して、内径が大き
な管内ライニング用筒体Ｂ１でも、内径が小さな管内ラ
イニング用筒体Ｂ２でも、それらの管内ライニング用筒
体Ｂ１，Ｂ２に対応する寸法の塞ぎ部材２を装着できる
形状に拡径変形できるようにしてある。FIG. 3 shows that the end of the in-pipe lining cylinder B is press-fitted with steam into the inside of the in-pipe lining cylinder B inserted into the pipe A to expand and deform the in-pipe lining cylinder B. Of the end-diameter expansion jig C of the in-pipe lining cylinder B that can be expanded and deformed into a shape in which the closing member 2 for mounting can be mounted. The end-diameter expansion jig C includes two steel pipe insertion members 3 inserted into the ends of the in-tube lining cylinder B before the diameter expansion deformation, and separates the insertion members 3 from each other in the cylinder body radial direction. The swinging operation lever 4 as one operation unit that can be freely moved and the swinging operation lever 4 are operated by a single operation so that the two insertion members 3 are simultaneously moved in the directions away from each other. A link mechanism 5 for linking the moving operation lever 4 and the two insertion members 3 is provided.
As shown in FIG. 4, each of the insertion members 3 includes a pressing surface 6 that presses the in-pipe lining cylinder B in the radial direction, and inserts each of the pressing faces 6 into the in-pipe lining cylinder B. And the pressing surfaces 6 are arranged so as to be closer to each other toward the distal end, so that the inner lining cylinder B1 having a large inner diameter or the inner lining cylinder B2 having a small inner diameter can be used. The diameter can be expanded and deformed so that the closing member 2 having a size corresponding to the in-pipe lining cylinders B1 and B2 can be mounted.
【００１０】前記連係機構５は、各挿入部材３に対して
略直角に固定してある基部フレーム７どうしを連結する
ように、左右逆ネジのネジ部８ａを形成してある二本の
螺軸部材８を、これらの基部フレーム７にフレーム長手
方向に間隔を隔てて互いに平行に螺合するとともに、こ
れらの螺軸部材８どうしを二本のチェーン９で連動さ
せ、回転方向を切り換え自在なラチェット機構１０を介
して、一方の螺軸部材８に揺動操作レバー４を設けて、
揺動操作レバー４の上下揺動操作で二本の螺軸部材８を
回転させて、二本の挿入部材３が互いに離間する方向や
近接する方向に同時に移動するように連係させてある。
前記基部フレーム７の一方に、横向きＵ字状の連結アー
ム１１を固定するとともに、他方の基部フレーム７に、
この連結アーム１１を挿入部材３の移動方向にスライド
移動自在に挿通して、連結アーム１１で端部拡径治具Ｃ
を把持しながら、揺動操作レバー４の揺動操作で二本の
挿入部材３を遠近方向に移動させることができるように
してある。The linking mechanism 5 has two screw shafts 8 formed with right and left reverse screw portions 8a so as to connect the base frames 7 fixed to each insertion member 3 at a substantially right angle. A member 8 is screwed to these base frames 7 in parallel with each other at intervals in the longitudinal direction of the frame, and these screw members 8 are linked with each other by two chains 9 to change the rotation direction. The swing operation lever 4 is provided on one of the screw members 8 via the mechanism 10,
The two screw members 8 are rotated by the vertical swing operation of the swing operation lever 4, so that the two insertion members 3 are linked so as to move simultaneously in the direction of separating from each other or in the direction of approach.
A laterally U-shaped connecting arm 11 is fixed to one of the base frames 7, and the other base frame 7 is
The connecting arm 11 is slidably inserted in the moving direction of the insertion member 3, and the connecting arm 11 is used to enlarge the end diameter increasing jig C.
The two insertion members 3 can be moved in the near and far directions by the swing operation of the swing operation lever 4 while gripping.
【００１１】前記折り畳み変形させてあるライニング用
筒体Ｂを所定のライニング区間に亘って配管Ａ内に挿入
して、その内周面をライニングする管内ライニング工法
を、図５を参照しながら説明する。図５(イ)に示すよう
に、ライニング区間の両端にピットＤ１，Ｄ２を掘削
し、折り畳み変形させた管内ライニング用筒体Ｂを巻い
てあるリール１２とその管内ライニング用筒体Ｂの内側
にスチーム供給管１３を通して加圧したスチームを供給
するボイラー１４とを備えた作業車１５を一方のピット
Ｄ１近くに待機させるとともに、ウインチ１６を備えた
作業車１７を他方のピットＤ２近くに待機させる。そし
て、各ピットＤ１，Ｄ２内に露出させた配管Ａを切断し
て、通線具等を利用して牽引用ワイヤＷを挿通し、牽引
用ワイヤＷの一端をウインチ１６の巻き取りドラムに連
結するとともに、他端をリール１２に巻いてある管内ラ
イニング用筒体Ｂの先端に連結する。A pipe lining method for inserting the folded and deformed lining cylinder B into a pipe A over a predetermined lining section and lining the inner peripheral surface thereof will be described with reference to FIG. . As shown in FIG. 5 (a), the pits D1 and D2 are excavated at both ends of the lining section, and the reel 12 around which the folded tube B for lining is wound and the inside of the tube B for lining are formed. A work vehicle 15 provided with a boiler 14 for supplying pressurized steam through a steam supply pipe 13 is made to stand by near one pit D1, and a work vehicle 17 provided with a winch 16 is made to stand by near the other pit D2. Then, the pipe A exposed in each of the pits D1 and D2 is cut, and the tow wire W is inserted using a wire passing tool or the like, and one end of the tow wire W is connected to the take-up drum of the winch 16. At the same time, the other end is connected to the distal end of the in-pipe lining cylinder B wound on the reel 12.
【００１２】前記管内ライニング用筒体Ｂは、その繰り
出し側端部を密閉して、リール１２に繰り出し自在に巻
き取ってあり、その巻き取り側基部をスチーム供給管１
３に連通させてある。そして、スチーム供給管１３を通
して供給するスチームで管内ライニング用筒体Ｂを加熱
しながら、ウインチ１６の駆動で牽引用ワイヤＷを巻き
取って、その管内ライニング用筒体Ｂを配管Ａ内に引き
込み、図５(ロ)に示すように、ライニング区間の配管Ａ
の全長に亘って挿通する。The in-pipe lining tubular body B is wound around a reel 12 so that the pay-out side end is sealed, and the take-up side base is connected to the steam supply pipe 1.
It is connected to 3. Then, while heating the in-pipe lining cylinder B with steam supplied through the steam supply pipe 13, the towing wire W is wound by driving the winch 16, and the in-pipe lining cylinder B is drawn into the pipe A. As shown in FIG. 5 (b), piping A in the lining section
Through the entire length of the.
【００１３】次に、管内ライニング用筒体ＢのピットＤ
１側を切断し、その切断端部をバーナ等で加熱して軟化
させながら端部拡径治具Ｃで拡径変形させて、図５(ハ)
に示すように、横長円柱形のゴム製の塞ぎ部材２を装着
する。つまり、端部拡径治具Ｃに設けた二本の挿入部材
３を近接方向に移動させておいて、図６(イ)に示すよう
に、拡径変形前の管内ライニング用筒体Ｂの切断端部に
挿入し、揺動操作レバー４の揺動操作で、二本の挿入部
材３が互いに離間する方向に移動させて、図６(ロ)に示
すように、加熱軟化させた管内ライニング用筒体Ｂの切
断端部に塞ぎ部材２を装着できるように二本の挿入部材
３の移動操作量を調節して拡径変形させた後、挿入部材
３どうしの間に形状保持部材１８を嵌め込んで、塞ぎ部
材２の形状に合うように形を整えて冷却して硬化させ
る。そして、挿入部材３と形状保持部材１８を抜き出し
て、図７，図８に示すように、スチーム供給管１３を接
続する接続管１９と圧力測定用の検圧管２０とを挿通し
てある塞ぎ部材２を装着固定する。Next, the pit D of the pipe lining cylinder B
One side is cut, and the cut end is heated and softened by a burner or the like and expanded and deformed by an end expanding jig C, and the cut end is heated as shown in FIG.
As shown in (1), a horizontally long cylindrical rubber closing member 2 is mounted. In other words, the two insertion members 3 provided on the end-diameter expanding jig C are moved in the approaching direction, and as shown in FIG. As shown in FIG. 6 (b), the inner lining is heated and softened as shown in FIG. 6 (b) by moving the two insertion members 3 in a direction away from each other by the swing operation of the swing operation lever 4 inserted into the cut end. After adjusting the amount of movement of the two insertion members 3 and expanding and deforming the diameter of the two insertion members 3 so that the closing member 2 can be attached to the cut end of the cylindrical member B, the shape holding member 18 is inserted between the insertion members 3. After being fitted, the shape is adjusted so as to match the shape of the closing member 2, and then cooled and cured. Then, the insertion member 3 and the shape holding member 18 are extracted, and as shown in FIGS. 7 and 8, a closing member through which a connection pipe 19 for connecting the steam supply pipe 13 and a test pipe 20 for pressure measurement are inserted. 2 is fixed.
【００１４】次に、スチーム供給管１３を接続管１９に
接続するするとともに、検圧管２０に圧力計(図外)を接
続し、温度が１３０℃程度のスチームをスチーム供給管
１３を通して管内ライニング用筒体Ｂの内側に供給し
て、１．７ｋｇｆ／ｃｍ2 程度の圧力に加圧した加熱加
圧状態で管内ライニング用筒体Ｂ全体をを拡径変形させ
た後、加圧状態で冷却して、図１に示したように、配管
Ａの内周面に沿って装着する。Next, the steam supply pipe 13 is connected to the connection pipe 19, and a pressure gauge (not shown) is connected to the test pipe 20. Steam having a temperature of about 130 ° C. is passed through the steam supply pipe 13 for lining in the pipe. The entire inside of the pipe lining cylinder B is supplied under the pressure of about 1.7 kgf / cm 2 while being supplied to the inside of the cylinder B, and the entire pipe lining cylinder B is expanded and deformed. Then, as shown in FIG. 1, it is mounted along the inner peripheral surface of the pipe A.
【００１５】〔その他の実施形態〕 １．本発明による管内ライニング用筒体の端部拡径治具
は、屈曲部を筒周方向の２箇所以上に形成して径方向に
折り畳み変形させてある管内ライニング用筒体の端部
を、塞ぎ部材を装着できる形状に拡径変形するものであ
っても良い。 ２．本発明による管内ライニング用筒体の端部拡径治具
は、三つ以上の挿入部材を筒体径方向に互いに離間する
ように移動させて、管内ライニング用筒体の端部を略円
形に拡径変形させるものであっても良い。 ３．本発明による管内ライニング用筒体の端部拡径治具
は、複数の挿入部材を、それらの押圧面が挿入方向に沿
って平行になるように配置したものであっても良い。 ４．本発明による管内ライニング用筒体の端部拡径治具
は、各挿入部材を各別に移動操作する複数の操作部を設
けてあっても良い。 ５．本発明による管内ライニング用筒体の端部拡径治具
は、ガス管以外の水道管や下水管などの液体用既設管の
内周面をライニングする管内ライニング用筒体の端部
を、塞ぎ部材を装着できる形状に拡径変形するものであ
っても良い。[Other Embodiments] The end-diameter expansion jig of the in-pipe lining cylinder according to the present invention closes the end of the in-pipe lining cylinder that is bent at two or more locations in the cylinder circumferential direction and is radially folded and deformed. It may be one that expands and deforms into a shape in which the member can be mounted. 2. The end-diameter expansion jig of the in-tube lining tube according to the present invention moves the three or more insertion members so as to be separated from each other in the tube body radial direction, and makes the end of the in-tube lining tube substantially circular. What expands and deforms diameter may be sufficient. 3. The end-diameter expansion jig of the tubular body for in-line lining according to the present invention may be one in which a plurality of insertion members are arranged such that their pressing surfaces are parallel to each other in the insertion direction. 4. The end-diameter expansion jig of the tubular body for lining in a pipe according to the present invention may be provided with a plurality of operation sections for individually moving and operating the insertion members. 5. The end-diameter expansion jig of the in-pipe lining cylinder according to the present invention closes the end of the in-pipe lining cylinder that lines the inner peripheral surface of an existing liquid pipe such as a water pipe or a sewer pipe other than a gas pipe. It may be one that expands and deforms into a shape in which the member can be mounted.
【図面の簡単な説明】[Brief description of the drawings]
【図１】ライニング構造の縦断面図FIG. 1 is a longitudinal sectional view of a lining structure.
【図２】拡径変形前の管内ライニング用筒体の斜視図FIG. 2 is a perspective view of an in-pipe lining cylinder before a diameter expansion deformation.
【図３】管内ライニング用筒体の端部拡径治具の斜視図FIG. 3 is a perspective view of a jig for enlarging an end of a tubular body for a pipe lining.
【図４】管内ライニング用筒体の端部拡径治具の要部正
面図FIG. 4 is a front view of a main part of a jig for expanding an end portion of a tubular body for lining in a pipe.
【図５】管内ライニング工法の説明図FIG. 5 is an explanatory view of a pipe lining method.
【図６】端部拡径治具の使用方法を説明する要部断面図FIG. 6 is a sectional view of an essential part for explaining a method of using the end-diameter expanding jig.
【図７】要部斜視図FIG. 7 is a perspective view of a main part.
【図８】要部平面図FIG. 8 is a plan view of a main part.
２ 塞ぎ部材 ３ 挿入部材 ４ 操作部 ６ 押圧面 Ａ 既設管 Ｂ 管内ライニング用筒体 2 closing member 3 insertion member 4 operating part 6 pressing surface A existing pipe B pipe lining cylinder
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 3H025 EA01 EB23 ED02 4F211 AA04 AG03 AG08 SA13 SC03 SD04 SD15 SG01 SH06 SJ01 SJ22 SP12 SP21 SW26 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3H025 EA01 EB23 ED02 4F211 AA04 AG03 AG08 SA13 SC03 SD04 SD15 SG01 SH06 SJ01 SJ22 SP12 SP21 SW26
Claims (3)
性樹脂製の管内ライニング用筒体の端部に挿入する複数
の挿入部材と、それらの挿入部材を筒体径方向に互いに
離間するように移動操作自在な操作部とを設けて、 前記管内ライニング用筒体の端部を、既設管内に挿入し
た管内ライニング用筒体の内側に加熱流体を圧入してそ
の管内ライニング用筒体を拡径変形させるための塞ぎ部
材を装着できる形状に拡径変形できるようにしてある管
内ライニング用筒体の端部拡径治具。1. A plurality of insertion members to be inserted into ends of a thermoplastic resin-made in-pipe lining cylinder that is folded and deformed in a radial direction, and the insertion members are separated from each other in the cylindrical body radial direction. A movable portion is provided, and an end of the in-pipe lining cylinder is provided, and a heating fluid is pressed into the inside of the in-pipe lining cylinder inserted into the existing pipe to expand the in-pipe lining cylinder. An end-diameter expansion jig for an in-tube lining tubular body capable of expanding and deforming into a shape in which a closing member for deformation can be mounted.
体を拡径方向に押圧する押圧面の各々を、管内ライニン
グ用筒体への挿入方向に沿って一連に形成し、それらの
押圧面を先端側ほど互いに近接するように配置してある
請求項１記載の管内ライニング用筒体の端部拡径治具。2. Each of the pressing surfaces of the insertion member for pressing the pipe lining cylinder in the radially expanding direction is formed in series along the direction of insertion into the pipe lining cylinder, and the pressing faces are formed. 2. The end-diameter expanding jig of an in-tube lining cylinder according to claim 1, wherein the jigs are arranged so as to be closer to each other toward the distal end.
一つの操作部による単一操作で、前記複数の挿入部材が
互いに離間する方向に同時に移動するように連係させて
ある請求項１又は２記載の管内ライニング用筒体の端部
拡径治具。3. The operation unit and the plurality of insertion members,
The end-diameter expansion jig of the tube body for a pipe lining according to claim 1 or 2, wherein the plurality of insertion members are linked so as to simultaneously move in a direction away from each other by a single operation by one operation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11185522A JP2001012680A (en) | 1999-06-30 | 1999-06-30 | End enlarging jig of pipe lining cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11185522A JP2001012680A (en) | 1999-06-30 | 1999-06-30 | End enlarging jig of pipe lining cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001012680A true JP2001012680A (en) | 2001-01-16 |
Family
ID=16172278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11185522A Pending JP2001012680A (en) | 1999-06-30 | 1999-06-30 | End enlarging jig of pipe lining cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001012680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012061865A (en) * | 2011-12-15 | 2012-03-29 | Ashimori Industry Co Ltd | Liner for regenerating pipe line |
-
1999
- 1999-06-30 JP JP11185522A patent/JP2001012680A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012061865A (en) * | 2011-12-15 | 2012-03-29 | Ashimori Industry Co Ltd | Liner for regenerating pipe line |
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