JPH0560778B2 - - Google Patents

Info

Publication number
JPH0560778B2
JPH0560778B2 JP63310160A JP31016088A JPH0560778B2 JP H0560778 B2 JPH0560778 B2 JP H0560778B2 JP 63310160 A JP63310160 A JP 63310160A JP 31016088 A JP31016088 A JP 31016088A JP H0560778 B2 JPH0560778 B2 JP H0560778B2
Authority
JP
Japan
Prior art keywords
pipe
lining material
absorbent material
resin absorbent
pipe 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.)
Expired - Fee Related
Application number
JP63310160A
Other languages
English (en)
Other versions
JPH02155719A (ja
Inventor
Makiko Endo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GET Inc
Original Assignee
GET Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GET Inc filed Critical GET Inc
Priority to JP63310160A priority Critical patent/JPH02155719A/ja
Priority to US07/446,889 priority patent/US5010440A/en
Publication of JPH02155719A publication Critical patent/JPH02155719A/ja
Publication of JPH0560778B2 publication Critical patent/JPH0560778B2/ja
Granted legal-status Critical Current

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
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
    • F16L55/165—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section
    • F16L55/1651—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a pipe or flexible liner being inserted in the damaged section the flexible liner being everted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/36—Bending and joining, e.g. for making hollow articles
    • B29C53/38—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges
    • B29C53/382—Bending and joining, e.g. for making hollow articles by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges using laminated sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0065—Heat treatment
    • B29C63/0069—Heat treatment of tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
    • B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
    • B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
    • B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7394—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset
    • B29C66/73941—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset characterised by the materials of both parts being thermosets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91221—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91411—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the parts to be joined, e.g. the joining process taking the temperature of the parts to be joined into account
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91431—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being kept constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91641—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux the heat or the thermal flux being non-constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
    • B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/49—Internally supporting the, e.g. tubular, article during joining
    • B29C66/496—Internally supporting the, e.g. tubular, article during joining using a support which remains in the joined object
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B29C66/7294—Non woven mats, e.g. felt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/10—Thermosetting resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Pipe Accessories (AREA)

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、老朽管の内周面にライニングを施し
て該老朽管を補修する管路補修工法及びこの工法
に使用される管ライニング材に関する。
（従来の技術） 地中に埋設された下水道管、電気、ガス管、そ
の他の工業用管路が老朽化した場合、これらの管
路を掘出することなく、その内周面にライニング
を施して当該老朽管を補修、補強等する管路補修
工法が既に提案され、実用に供されている（例え
ば、特開昭60−242038号公報参照）。
即ち、この管路補修工法は、その表面をフイル
ムコーテイングした可撓性の樹脂吸収材に硬化性
樹脂を含浸せしめて成る管ライニング材を流体圧
によつて老朽管内に反転させながら挿入するとと
もに、これ老朽管内周面に押圧し、その後、管ラ
イニング材を加温等してこれに含浸された硬化性
樹脂を硬化させ、以つて当該老朽管の内周に剛性
内張り管を形成してライニングを施す工法であ
る。
（発明が解決しようとする課題） ところで、斯かる工法に使用される前記管ライ
ニング材に含浸される硬化性樹脂として熱硬化性
樹脂を用いる場合、この熱硬化性樹脂は水、空気
等の流体を熱媒体として間接的に加熱されていた
ため、加熱に多大の熱エネルギーと時間を要し、
又、熱媒体の冷却にも多大の時間を要するため、
作業能率及び作業性が悪いという問題があつた。
又、特に管ライニング材の厚さが厚い場合に
は、該管ライニング材の熱媒体に接する内周部と
管路内周面に接する外周部との間に大きな温度差
が生じ、この温度差に起因して該管ライニング材
に熱歪が生じ、最悪の場合にはこれにクラツクが
生ずるという問題もあつた。
本発明は上記問題に鑑みてなされたもので、そ
の目的とする処は、僅かなエネルギーで瞬時に、
且つ、均一に硬化し、硬化後にクラツク等が生じ
ない管ライニング材を提供することにある。
又、本発明は、上記管ライニング材を用いるこ
とによつて、作業能率及び作業性の改善、コスト
ダウン等を図ることができる管路補修工法を提供
することをその目的とする。
（課題を解決するための手段） 上記目的を達成すべく本発明は、導電性を有す
る帯状の樹脂吸収材の幅方向両端部に、該樹脂吸
収材よりも導電性の高い導体を樹脂吸収材の長さ
方向にそれぞれ取り付け、樹脂吸収材の幅方向両
端部を電気的に絶縁した後、該幅方向両端部を突
き合わせ又は一部重ねて該樹脂吸収材を管状に成
形し、当該樹脂吸収材に熱硬化性樹脂を含浸せし
めて成る導電性ライニング層を含んで管ライニン
グ材を構成したことを特徴とする。
又、本発明に係る管路補修工法は、上記管ライ
ニング材を管路内に挿入した後、該管ライニング
材を流体圧によつて管路内周面に押圧したまま、
該管ライニング材の前記導体に通電するようにし
たことを特徴とする。
（作用） 本発明に係る管ライニング材において、導体に
通電すれば、電流は一方の導体から樹脂吸収材の
周方向に流れて他方の導体へ至り、電気抵抗体と
しての樹脂吸収材が全周及び全長に亘つて均一に
発熱し、該樹脂吸収材に含浸された熱硬化性樹脂
が直接加熱されて瞬時に、且つ、均一に硬化する
ため、能率良く管路補修作業が進められ、硬化後
に管ライニング材にクラツクが生ずる等の不具合
が発生しない。
又、熱硬化性樹脂を加熱するための多量の熱媒
体を要しないため、加熱設備が小型化され、消費
エネルギーも少なくて済み、補修工事に要するコ
ストを下げることができる。
（実施例） 以下に本発明の一実施例を添付図面に基づいて
説明する。
第１図は本発明に係る管ライニング材の斜視
図、第２図ａ〜ｄは同管ライニング材の製造方法
をその工程に沿つて示す斜視図である。
本発明に係る管ライニング材１は、第１図に示
すように管状の導電性ライニング層２の外側を別
管状ライニング層３で被覆して構成され、ライニ
ング層３の外周面は気密性及び水密性の高いウレ
タン、ポリエステルエラストマー、シリコン等の
フイルム４にてコーテングされている。
而して、この管ライニング材１は、第２図ａ〜
ｄにて示す手順で製造される。
即ち、第２図ａにおいて５は前記導電性ライニ
ング層２を構成する導電性を有する帯状の樹脂吸
収材であり、これは例えばポリエステル製のフエ
ルト材にカーボン繊維を混合して成る不織布にて
構成されている。そして、この樹脂吸収材５の上
面の両端部には、該樹脂吸収材５よりも導電性の
高い銅線６，６が長さ方向に沿つて敷設され、こ
れら銅線６，６は絶縁テープ７，７によつて樹脂
吸収材５に接着される。尚、絶縁テープ７，７は
樹脂吸収材５の側端を経て反対面（第２図ａの下
面）にまで及んでいる。
次に、樹脂吸収材５の上下を逆にして第２図ｂ
に示すように銅線６，６が取り付けられた側の面
を下にして該樹脂吸収材５を帯状の樹脂吸収材８
の上に段違いに載置し、この状態で図示ａ，ｂ部
分を長さ方向に縫い合わせる。樹脂吸収材８は前
記ライニング層３を構成するものであつて、これ
はポリエステル製のフエルト材にて構成され、そ
の下面には前記フイルム４がコーテイングされて
いる。
その後、一体化された上記樹脂吸収材５，８を
を第２図ｃに示すように丸めて管状に構成する
が、このとき一方の樹脂吸収材５の端部同志は互
いに重ね合わせられ、他方に樹脂吸収材８の端部
は突き合わされている。尚、この状態では樹脂吸
収材５の端部同志は絶縁テープ７，７によつて電
気的に絶縁され、銅線６，６は互いに近接した位
置に平行を成して設けられることとなる。
次に、上記状態において第２図ｃに示すｃ部分
を縫い合わせ、第２図ｄに示すように該ｃ部分及
び前記縫い合わせ部ａ，ｂ部分を被うように接着
テープ９をフイルム４の外表面に貼着し、両樹脂
吸収材５，８に熱硬化性樹脂を含浸せしめれば、
第１図に示す管ライニング材１が得られる。
次に、上記管ライニング材１を用いてなされる
管路補修工法を第３図及び第４図に基づいて説明
する。尚、第３図は本発明工法を示す縦断面図、
第４図は第３図の−線断面図である。
本発明工法の施工に際しては、先ず、第３図に
示すように管ライニング材１が既知の反転法によ
つて管路１０内に反転、挿入される。
上記管ライニング材１の反転、挿入が完了する
と、該管ライニング材１の開口端に円板状の蓋部
材１１を嵌め込み、これを締め付けバンド１２に
て固定する。この蓋部材１１には、該蓋部材１１
と管ライニング材１にて囲まれる空間Ｓ内に開口
する圧縮エア供給用パイプ１３、圧力計１４及び
圧力調整弁１５が取り付けられており、パイプ１
３にはエアコンプレツサー１６の吐出側から導出
するホース１７が接続されている。又、管ライニ
ング材１の反転後の先部にその一端が取り付けら
れたコントロールロープ１８は空間Ｓ内から蓋部
材１１を貫通して外部に導出している。
一方、管ライニング材１から導出する２本の銅
線６，６は地上に設置された電源１９に接続され
ている。又、管ライニング材１内には熱電対等の
温度センサー２０が埋設されており、該温度セン
サー２０から導出するリード線２１は同じく地上
に設置された温度コントローラ２２に接続されて
おり、該温度コントローラ２２は前記電源１９に
電気的に接続されている。尚、上記電源１９は交
流、直流の何れでも差し支えない。
而して、エアコンプレツサー１６を駆動してこ
れから吐出される圧縮エアをホース１７及びパイ
プ１３を経て空間Ｓ内に供給し、該空間Ｓの内圧
を所定値に保てば、管ライニング材１は図示のよ
うに管路１０の内周面に押圧される。
そして、上記状態を保つたまま電源１９をON
して管ライニング材１の銅線６，６に通電すれ
ば、電流は一方の導電性ライニング層２の銅線６
から樹脂吸収材５の周方向に流れて他方の銅線６
へ至り、電気抵抗体としての樹脂吸収材５が全周
及び全長に亘つて均一に発熱し、この熱によつて
樹脂吸収材５，８に含浸された熱硬化性樹脂が直
接加熱されて瞬時に、且つ、均一に硬化するた
め、能率良く管路補修作業が進められ、第４図に
示すように管路１０の内周面は硬化したライニン
グ層２，３によつてライニングされる。尚、樹脂
吸収材５の温度は温度センサー２０によつて検出
され、この検出された温度に基づいて温度コント
ローラ２２が電源１９の供給電流を制御し、樹脂
吸収材５の温度を一定値に保つ。
又、樹脂吸収材５，８に含浸された熱硬化性樹
脂は上述のように速やかに硬化するため、これに
熱歪が生ずることがなく、硬化後に管ライニング
材１にクラツクが生ずる等の不具合が発生するこ
とがない。
更に、本発明方法によれば、熱硬化性樹脂を加
熱するための多量の熱媒体を必要としないため、
加熱設備が小型、コンパクトとなり、消費エネル
ギーも少なくて済み、補修工事に要するコストを
下げることもできる。
その他、工事完了後においても銅線６，６の端
部を残しておけば、これを電源接続用端子又はア
ース用端子として用いることができ、銅線６，６
に通電することによつてパイプラインを加熱、保
温したり、海水パイプラインへの蛎等の貝の付着
防止を図ることができ、銅線６，６をアース端子
に接続することによつてパイプラインにおける静
電気の発生防止を図ることができる。
尚、以上の実施例においては、管ライニング材
をヒーターチユーブとして機能する導電性ライニ
ング材と通常のライニング材の２層で構成した
が、導電性ライニング材単体で構成しても良く、
或いは該導電性ライニング材を２層の通常のライ
ニング材又は電気絶縁性の高いシート部材でサン
ドイツチ状に挟んで構成しても良い。
又、導電性ライニング材に用いられる導体とし
ては、以上の実施例で用いられた銅線の他、他の
金属線又は導板等の薄い金属板を用いても良い。
（発明の効果） 以上の説明で明らかな如く、本発明によれば、
管ライニング材を構成する導電性を有する樹脂吸
収材に通電することによつて該樹脂吸収材を発熱
せしめ、これに含浸された熱硬化性樹脂を直接加
熱するようにしたため、該熱硬化性樹脂が速やか
に、且つ、均一に硬化し、管路補修工事における
作業能率及び作業性の改善、コストダウン等を図
ることができるという効果が得られる。
【図面の簡単な説明】
第１図は本発明に係る管ライニング材の斜視
図、第２図ａ〜ｄは同管ライニング材の製造方法
をその工程順に示す斜視図、第３図は本発明工法
を示す縦断面図、第４図は第３図の−線断面
図である。 １…管ライニング材、２…導電性ライニング
層、５…樹脂吸収材、６…銅線（導体）、７…絶
縁テープ、１０…管路、１９…電源、２０…温度
センサー、２２…温度コントローラ。

Claims (1)

  1. 【特許請求の範囲】 １ 導電性を有する帯状の樹脂吸収材の幅方向両
    端部に、該樹脂吸収材よりも導電性の高い導体を
    樹脂吸収材の長さ方向にそれぞれ取り付け、樹脂
    吸収材の幅方向両端部を電気的に絶縁した後、該
    幅方向両端部を突き合わせ又は一部重ねて該樹脂
    吸収材を管状に成形し、当該樹脂吸収材に熱硬化
    性樹脂を含浸せしめて成る導電性ライニング層を
    含んで構成されることを特徴とする管ライニング
    材。 ２ 請求項１記載の管ライニング材を管路内に挿
    入した後、該管ライニング材を流体圧によつて管
    路内周面に押圧したまま、該管ライニング材の前
    記導体に通電するようにしたことを特徴とする管
    路補修工法。
JP63310160A 1988-12-09 1988-12-09 管ライニング材及び管路補修工法 Granted JPH02155719A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP63310160A JPH02155719A (ja) 1988-12-09 1988-12-09 管ライニング材及び管路補修工法
US07/446,889 US5010440A (en) 1988-12-09 1989-12-06 Pipe liner having electrically conductive wires for hardening and electrostatic build-up prevention

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63310160A JPH02155719A (ja) 1988-12-09 1988-12-09 管ライニング材及び管路補修工法

Publications (2)

Publication Number Publication Date
JPH02155719A JPH02155719A (ja) 1990-06-14
JPH0560778B2 true JPH0560778B2 (ja) 1993-09-03

Family

ID=18001882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63310160A Granted JPH02155719A (ja) 1988-12-09 1988-12-09 管ライニング材及び管路補修工法

Country Status (2)

Country Link
US (1) US5010440A (ja)
JP (1) JPH02155719A (ja)

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US5010440A (en) 1991-04-23
JPH02155719A (ja) 1990-06-14

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