KR20100084117A - Method of manufacturing tube lining bag - Google Patents

Method of manufacturing tube lining bag Download PDF

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Publication number
KR20100084117A
KR20100084117A KR1020090129769A KR20090129769A KR20100084117A KR 20100084117 A KR20100084117 A KR 20100084117A KR 1020090129769 A KR1020090129769 A KR 1020090129769A KR 20090129769 A KR20090129769 A KR 20090129769A KR 20100084117 A KR20100084117 A KR 20100084117A
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KR
South Korea
Prior art keywords
tube
tubular resin
absorbent material
resin absorbent
heater
Prior art date
Application number
KR1020090129769A
Other languages
Korean (ko)
Inventor
타카오 카미야마
코지 카네타
켄지 후지이
마사오 우에노
Original Assignee
가부시키가이샤 카즈 케미칼
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Publication of KR20100084117A publication Critical patent/KR20100084117A/en

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    • 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
    • B29C63/26—Lining or sheathing of internal surfaces
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5227—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer tubular articles
    • B29C66/52271—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer tubular articles one tubular article being placed inside the other
    • B29C66/52272—Joining tubular articles for forming multi-tubular articles by longitudinally joining elementary tubular articles wall-to-wall (e.g. joining the wall of a first tubular article to the wall of a second tubular article) or for forming multilayer tubular articles one tubular article being placed inside the other concentrically, e.g. for forming multilayer 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • 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
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    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/63—Internally supporting the article during joining
    • B29C66/634—Internally supporting the article during joining using an inflatable core
    • 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
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/826—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined
    • B29C66/8266—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined using fluid pressure directly acting on the parts to be joined
    • B29C66/82661—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps without using a separate pressure application tool, e.g. the own weight of the parts to be joined using fluid pressure directly acting on the parts to be joined by means of vacuum
    • 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
    • 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
    • F16L55/1652—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 pulled into the damaged section
    • F16L55/1654—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 pulled into the damaged section and being inflated
    • 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
    • F16L55/1656—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 materials for flexible liners
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
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    • 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
    • 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
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B29K2105/0845—Woven fabrics
    • 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
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
    • 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
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • B29K2105/246—Uncured, e.g. green
    • 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
    • B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
    • B29K2309/08—Glass
    • 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
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0065—Permeability to gases
    • B29K2995/0067—Permeability to gases non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible
    • B29L2023/006—Flexible liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/60—Multitubular or multicompartmented articles, e.g. honeycomb
    • B29L2031/601—Multi-tubular articles, i.e. composed of a plurality of tubes
    • B29L2031/602—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements
    • B29L2031/603—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements one placed inside the other, e.g. dual wall tubes
    • B29L2031/605—Multi-tubular articles, i.e. composed of a plurality of tubes composed of several elementary tubular elements one placed inside the other, e.g. dual wall tubes concentrically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/005—Heaters using a particular layout for the resistive material or resistive elements using multiple resistive elements or resistive zones isolated from each other
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/014—Heaters using resistive wires or cables not provided for in H05B3/54

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE: A manufacturing method for a pipe lining material is provided to prevent burns by excluding a tool for moving a tube and a tubular resin absorber. CONSTITUTION: A manufacturing method for a pipe lining material(1) is as follows. A tubular resin absorber(10) is inserted into a tube and expanded into a cylindrical shape to contact and cover the interior surface of the tube(11). A heater(20) is tightly wound around the exterior of the tube. The tube and the tubular resin absorber are heated by being connected to the heater, so that the tube is thermally fused to the tubular resin absorber.

Description

관 라이닝재의 제조 방법{METHOD OF MANUFACTURING TUBE LINING BAG}Manufacturing method of pipe lining material {METHOD OF MANUFACTURING TUBE LINING BAG}

본 발명은 노후화된 기설관을 라이닝하기 위한 관 라이닝재의 제조 방법에 관한 것이다.The present invention relates to a method for producing a tube lining material for lining old aging pipes.

땅속에 매설된 하수도관, 상수도관 등의 기설관이 노후화되었을 경우에 기설관을 파내지 않고 보수하기 위한 관로 라이닝 공법이 실시되어 있다. 이 공법에서는 열경화성 수지를 함침시킨 관상 수지 흡수재로 이루어지는 관 라이닝재가 기설관에 반전 또는 인입에 의해 삽입되고 공기압 등에 의해 팽창되어서 기설관의 내주면에 압접된 상태로 유지된다. 이 상태에서 관 라이닝재가 가열되어서 관상 수지 흡수재에 함침되어 있었던 열경화성 수지가 경화되어 기설관이 라이닝된다(예를 들면, 특허 문헌 1, 2 등).When existing pipes, such as sewer pipes and water pipes, which are buried in the ground, become obsolete, a pipeline lining method is used to repair the existing pipes without digging them. In this process, a tube lining material made of a tubular resin absorbent material impregnated with a thermosetting resin is inserted into an existing pipe by inversion or withdrawal, expanded by pneumatic pressure or the like, and is kept in pressure contact with the inner circumferential surface of the existing pipe. In this state, the tube lining material is heated to cure the thermosetting resin impregnated with the tubular resin absorbent material, and the existing pipe is lined (for example, Patent Documents 1 and 2).

관 라이닝재의 수지 흡수재는 유연한 펠트 등으로 이루어지고, 그 외주면(관 라이닝재가 반전될 경우에는 내주면이 됨)에는 기밀성이 높은 플라스틱 필름으로 이루어지는 유연한 튜브가 열용착되어서 코팅층이 형성된다. 이 튜브는 관상 수지 흡수재에 함침되는 경화성 수지를 보호해서 수지가 외부에 접촉되는 것을 방지하고 있다. 또한, 관 라이닝재가 반전해서 관로에 삽입되었을 경우에는 열용착된 튜브가 내주면이 되고, 그 후의 라이닝 과정에서 관 라이닝재가 압축 공기에 의해 팽창될 경우에 관상 수지 흡수재에 함침되는 수지가 직접 압축 공기에 닿는 것을, 또는 상기 수지가 증기나 온수 등의 열매(熱媒)에 의해 가열될 경우에 직접 열매가 수지에 닿는 것을 방지하고 있다.The resin absorbent material of the tube lining material is made of a flexible felt or the like, and on the outer circumferential surface (which becomes the inner circumferential surface when the tube lining material is inverted), a flexible tube made of a highly airtight plastic film is thermally welded to form a coating layer. The tube protects the curable resin impregnated into the tubular resin absorbent to prevent the resin from coming into contact with the outside. In addition, when the tube lining material is inverted and inserted into the pipeline, the thermally welded tube becomes the inner circumferential surface, and the resin impregnated in the tubular resin absorbent material directly into the compressed air when the tube lining material is expanded by the compressed air in the subsequent lining process. When the resin is heated or the resin is heated by a fruit such as steam or hot water, the fruit is prevented from directly contacting the resin.

특허 문헌 1 : 일본 특허 공개 제 2006-130899 호 공보Patent Document 1: Japanese Patent Laid-Open No. 2006-130899

특허 문헌 2 : 일본 특허 공개 제 2007-125703 호 공보Patent Document 2: Japanese Patent Application Laid-Open No. 2007-125703

관 라이닝재의 수지 흡수재의 외주면에 튜브를 열용착할 경우, 종래에는 관상 수지 흡수재를 튜브 내에서 팽창시켜서 그 내주면에 밀착시켜 이것을 축 방향으로 연장되는 히터를 설치한 원기둥 형상의 가열로 내에 반입하고 있다. 가열로 내에 반입된 튜브와 관상 수지 흡수재는 가열로 내를 출구로 향해서 이동되고, 그 이동 중에 외주로부터 가열되어 튜브가 관상 수지 흡수재에 열용착된다.When the tube is thermally welded to the outer circumferential surface of the resin absorbent material of the tube lining material, the tubular resin absorbent material is conventionally expanded in the tube and brought into close contact with the inner circumferential surface thereof and brought into a cylindrical heating furnace provided with a heater extending in the axial direction. . The tube and the tubular resin absorbent material carried into the heating furnace are moved toward the outlet in the heating furnace, and are heated from the outer circumference during the movement to heat weld the tube to the tubular resin absorbent material.

이러한 방법에서는 튜브와 관상 수지 흡수재를 가열로 내에서 이동시키는 기구가 필요하게 됨과 아울러 원기둥 형상으로 팽창된 튜브와 관상 수지 흡수재의 중심축과 가열로의 중심축을 맞추어 튜브와 관상 수지 흡수재를 이동시키지 않으면 히터의 튜브와 관상 수지 흡수재에 대한 거리가 상부와 하부에서 다르기 때문에 가열 얼룩이 발생되고, 튜브는 관상 수지 흡수재에 균일하게 열용착되지 않게 된다. 열용착이 불충분하면 관상 수지 흡수재에 함침된 수지의 경화도 양호하지 않게 되어 신뢰성 있는 라이닝이 곤란해진다는 결점이 있다.This method requires a mechanism for moving the tube and the tubular resin absorbent material in the heating furnace, and does not move the tube and the tubular resin absorbent material by aligning the center axis of the tube and tubular resin absorbent material with the cylindrical shape and the center axis of the heating furnace. Since the distance between the tube of the heater and the tubular resin absorbent is different at the top and the bottom, a heating stain occurs, and the tube is not uniformly thermally welded to the tubular resin absorbent. If heat welding is insufficient, there is a drawback that the curing of the resin impregnated in the tubular resin absorbent material is not good, and thus the lining becomes difficult.

또한, 튜브와 관상 수지 흡수재의 선단이 가열로에 반입되었을 때에 가열로 의 전체 길이에 걸쳐 연장되는 히터 전체에 통전할 필요가 있고, 또한 튜브와 관상 수지 흡수재의 후단이 가열로의 출구를 통과할 때까지 히터에 급전을 계속할 필요가 있으므로 무익한 가열, 전력 소비가 발생된다는 결점이 있다.In addition, when the front end of the tube and the tubular resin absorbent material is brought into the heating furnace, it is necessary to energize the entire heater extending over the entire length of the heating furnace, and the rear end of the tube and the tubular resin absorbent material can pass through the outlet of the heating furnace. Since it is necessary to continue feeding power to the heater, there is a drawback that useless heating and power consumption are generated.

본 발명은 이러한 문제점을 해결하기 위한 것으로 튜브를 관상 수지 흡수재에 균일하고 또한 효율적으로 열용착하고, 간단한 방법으로 고품질의 관 라이닝재를 제조하는 것이 가능한 관 라이닝재의 제조 방법을 제공하는 것을 과제로 한다.An object of the present invention is to provide a method for producing a tube lining material which can heat weld a tube uniformly and efficiently to a tubular resin absorbent material and produce a high quality tube lining material in a simple manner.

상기 과제를 해결하는 본 발명은,The present invention to solve the above problems,

관상 수지 흡수재의 외주면에 기밀성의 플라스틱 필름으로 이루어지는 튜브를 열용착하고, 상기 관상 수지 흡수재에 경화성 수지를 함침해서 관 라이닝재를 제조하는 관 라이닝재의 제조 방법으로서,As a manufacturing method of the tubular lining material which heat-welzes the tube which consists of an airtight plastic film on the outer peripheral surface of a tubular resin absorbent material, and impregnates the said tubular resin absorbent material with curable resin, and manufactures a tubular lining material,

관상 수지 흡수재를 튜브 내에 삽입해서 원기둥 형상으로 팽창시켜서 튜브 내주면에 밀착시키고,The tubular resin absorbent material is inserted into the tube and expanded in a cylindrical shape to closely adhere to the inner circumferential surface of the tube,

원기둥 형상으로 팽창된 관상 수지 흡수재를 피복하는 튜브의 외주면에 히터를 밀착해서 권회하고,The heater is wound in close contact with the outer circumferential surface of the tube covering the tubular resin absorbent material expanded into a cylindrical shape,

히터에 통전함으로써 튜브와 관상 수지 흡수재를 가열하여 튜브를 관상 수지 흡수재에 열용착하는 것을 특징으로 한다.By energizing a heater, the tube and the tubular resin absorbent are heated to heat weld the tube to the tubular resin absorbent.

<발명의 효과>Effect of the Invention

본 발명에서는 원기둥 형상으로 팽창된 관상 수지 흡수재를 피복하는 튜브의 외주면에 히터를 밀착해서 권회하고 히터에 통전함으로써 튜브와 관상 수지 흡수재를 가열하여 튜브를 관상 수지 흡수재에 열용착하도록 하고 있으므로, 튜브와 관상 수지 흡수재를 이동시키는 기구가 불필요해짐과 아울러 가열 얼룩을 발생시키지 않고 튜브를 관상 수지 흡수재에 균일하게 열용착시킬 수 있어 고품질의 관 라이닝재를 제조할 수 있다.In the present invention, the heater is in close contact with the outer circumferential surface of the tube covering the tubular resin absorbent material expanded into a cylindrical shape, and the tube and tubular resin absorbent material are heated by heating the tube and the tubular resin absorbent material by energizing the heater. A mechanism for moving the tubular resin absorbent material becomes unnecessary, and the tube can be uniformly thermally welded to the tubular resin absorbent material without generating a heating stain, thereby producing a high quality tubular lining material.

또한, 본 발명에서는 히터는 튜브의 외주면에 밀착해서 권회되므로 낭비없이 튜브와 관상 수지 흡수재를 가열할 수 있어 적은 전력으로 효율적으로 튜브를 관상 수지 흡수재에 열용착할 수 있다.Further, in the present invention, since the heater is wound in close contact with the outer circumferential surface of the tube, the tube and the tubular resin absorbent can be heated without waste, and the tube can be thermally welded to the tubular resin absorbent efficiently with little power.

이하, 도면을 참조해서 본 발명의 실시예를 설명한다. 여기서는 기설관으로서 하수도관을 라이닝하기 위한 관 라이닝재의 제조 방법을 설명한다. 그러나, 본 발명은 이 뿐만 아니라 상수도관, 농업 용수관 등의 관 라이닝재의 제조 방법에도 적용할 수 있는 것이다.Hereinafter, embodiments of the present invention will be described with reference to the drawings. Here, the manufacturing method of the pipe lining material for lining a sewer pipe as an existing pipe is demonstrated. However, the present invention can be applied not only to this but also to a method for producing a pipe lining material such as a water supply pipe and an agricultural water pipe.

도 1은 기설관을 보수 또는 갱생하는 관 라이닝재의 제조 과정을 나타내고 있다. 관 라이닝재(1)는 유연한 관상 수지 흡수재(10)의 외주면을 폴리에틸렌, 폴리프로필렌, 나일론, 또는 염화 비닐 등의 기밀성이 높은 플라스틱 필름으로 이루어지는 유연한 튜브(11)에 의해 피복된 유연한 관상 라이닝재이다.1 shows a manufacturing process of a pipe lining material for repairing or regenerating an existing pipe. The tubular lining material 1 is a flexible tubular lining material which covers the outer circumferential surface of the flexible tubular resin absorbent material 10 by a flexible tube 11 made of a high airtight plastic film such as polyethylene, polypropylene, nylon, or vinyl chloride. .

관상 수지 흡수재(10)는 폴리아미드, 폴리에스테르, 폴리프로필렌 등의 플라스틱 섬유를 사용한 부직포, 직포, 또는 매트; 또는 글래스 섬유를 사용한 직포, 또는 매트; 또는 상기 플라스틱 섬유와 글래스 섬유를 조합시킨 부직포, 직포, 또는 매트로 이루어지고, 관상 수지 흡수재(10)에는 불포화 폴리에스테르 수지, 비닐에스테르수지, 또는 에폭시 수지 등의 액상의 미경화의 열경화성 수지가 함침된다.The tubular resin absorbent material 10 includes a nonwoven fabric, a woven fabric, or a mat using plastic fibers such as polyamide, polyester, and polypropylene; Or woven fabrics or mats using glass fibers; Or it consists of a nonwoven fabric, woven fabric, or mat which combined the said plastic fiber and glass fiber, The tubular resin absorbent material 10 is impregnated with liquid uncured thermosetting resin, such as unsaturated polyester resin, a vinyl ester resin, or an epoxy resin. do.

이러한 관 라이닝재를 제조하기 위해서는 관상 수지 흡수재(10)를 튜브(11) 내에 삽입하고, 또한 관상 수지 흡수재(10) 내에 일단(도 1에서 우측)이 폐쇄된 관상의 인 라이너(in-liner)(12)를 삽입하고, 관상 수지 흡수재(10)를 튜브(11)와 인 라이너(12) 사이에서 유지한다.In order to manufacture such a tubing lining material, a tubular in-liner having a tubular resin absorbent material 10 inserted into the tube 11 and one end (right side in FIG. 1) closed in the tubular resin absorbent material 10. (12) is inserted and the tubular resin absorbent material 10 is held between the tube 11 and the in liner 12.

관상 수지 흡수재(10)와 튜브(11)에 구멍을 뚫어 진공 호스(13)를 장착하고, 관상 수지 흡수재(10)를 진공 처리함과 아울러 인 라이너(12)의 개방단(도 1에서 좌측)으로부터 압축 공기를 공급하면 튜브(11), 관상 수지 흡수재(10), 및 인 라이너(12)는 처음에는 각각 편평한 형상으로 되어 있지만 도 1에 나타낸 바와 같이, 모두 원기둥 형상으로 팽창되어 관상 수지 흡수재(10)는 튜브(11)와 인 라이너(12)에 의해 협지된 상태에서 튜브(11)의 내주면에 밀착된다. 튜브(11), 관상 수지 흡수재(10), 인 라이너(12)를 모두 원기둥 형상으로 팽창시키기 위해서 원기둥 형상이 되었을 때의 튜브(11)의 내경과 관상 수지 흡수재(10)의 외경이 거의 일치하도록, 또한 관상 수지 흡수재(10)의 내경과 인 라이너(12)의 외경이 거의 일치하도록 해둔다.A hole is mounted in the tubular resin absorbent material 10 and the tube 11 to mount the vacuum hose 13, and the tubular resin absorbent material 10 is vacuumed and the open end of the inliner 12 is opened (left in FIG. 1). When the compressed air is supplied from the tube 11, the tubular resin absorbent material 10, and the inliner 12 are initially flat, respectively, as shown in FIG. 1, all of them are expanded into a cylindrical shape and the tubular resin absorbent material ( 10 is in close contact with the inner circumferential surface of the tube 11 in a state sandwiched by the tube 11 and the inliner 12. In order to expand the tube 11, the tubular resin absorbent material 10, and the inliner 12 into a cylindrical shape, the inner diameter of the tube 11 and the outer diameter of the tubular resin absorbent material 10 almost coincide with each other in a cylindrical shape. Further, the inner diameter of the tubular resin absorbent material 10 and the outer diameter of the in liner 12 are set to substantially match.

또한, 도 1에서 진공 호스(13)는 1개소 밖에 설치되어 있지 않지만 효율적으로 관상 수지 흡수재를 진공 처리하기 위해서 통상 관 라이닝재의 길이에 따라 복수개 개소에 진공 호스가 장착된다.In addition, although the vacuum hose 13 is provided in only one place in FIG. 1, in order to efficiently vacuum-process a tubular resin absorbent material, a vacuum hose is normally attached to several places along the length of a pipe lining material.

이어서, 도 2(a)에 나타낸 바와 같이 튜브(11), 관상 수지 흡수재(10), 인 라이너(12)를 팽창시킨 상태로 해두고, 원기둥 형상으로 팽창된 관상 수지 흡수재(10)를 피복하는 튜브(11)의 외주면에 히터(20)를 밀착해서 권회한다.Subsequently, as shown in Fig. 2A, the tube 11, the tubular resin absorbent material 10, and the inliner 12 are inflated, and the tubular resin absorbent material 10 expanded in a cylindrical shape is coated. The heater 20 is brought into close contact with the outer circumferential surface of the tube 11 to be wound.

히터(20)는 도 3에 나타낸 바와 같이, 1변이 Y이고 다른 1변이 Y'인 직사각형 또는 정사각형상의 절연성의 천(가상선으로 도시)(20a)의 내부에 니크롬 와이어 등의 전열선(20b)을 동일한 간격의 피치(p)(예를 들면, 7.5㎜)로 주기적으로 사행(蛇行)시켜서 배치한 히터이다. Y'는 튜브(11)의 외주와 거의 같거나 또는 약간 길어 히터(20)를 튜브(11)에 밀착해서 권회했을 때 그 양쪽 단부의 일부가 서로 겹치는 길이로 되어 있다[도 2(a)].As shown in Fig. 3, the heater 20 includes a heating wire 20b such as nichrome wire inside a rectangular or square insulating cloth (shown as a virtual line) 20a in which one side is Y and the other side is Y '. It is a heater arranged by meandering periodically at the pitch p (for example, 7.5 mm) of the same space | interval. Y 'is almost the same as or slightly longer than the outer periphery of the tube 11, so that when the heater 20 is wound in close contact with the tube 11, a portion of both ends thereof overlaps each other (Fig. 2 (a)). .

전열선(20b)은 도 3에 나타낸 바와 같이, Y'방향으로 소정 거리만큼 연장되면 절첩되어 다시 동일 거리 연장되어서 절첩되고 이 절첩을 되풀이해서 피치(p)로 주기적으로 관 라이닝재의 길이 방향으로 사행되어서 연장되어 있다. 전열선(20b)은 일단에서 플러그(20c)에 접속되며 플러그(20c)를 간선(21)의 전원 콘센트(20d)에 삽입함으로써 전열선(20b)에 통전해서 전열선(20b)을 발열시킬 수 있다. 전열선(20b)은 거의 히터 전체에 걸쳐 균일하게 분포되므로 그 발열량은 히터(20) 전체에 균일하게 되어 있다.As shown in Fig. 3, the heating wire 20b is folded when it is extended by a predetermined distance in the Y 'direction, and is folded and extended by the same distance again, and the folding is repeated and meandered in the longitudinal direction of the pipe lining material periodically at a pitch p. It is extended. The heating wire 20b is connected to the plug 20c at one end, and the heating wire 20b can be heated by energizing the heating wire 20b by inserting the plug 20c into the power outlet 20d of the trunk line 21. Since the heating wire 20b is almost uniformly distributed throughout the heater, the amount of heat generated is uniform throughout the heater 20.

관 라이닝재(1)의 길이가 길 때에는 도 2(b)에 나타낸 바와 같이, 복수개의 히터(20)를 서로 인접해서 밀착시켜 튜브(11)의 외주면에 권취한다. 이 때 관 라이닝재의 축방향의 길이[튜브(11)의 길이]를 X, 히터(20)의 관 라이닝재의 길이 방향으로 연장되는 1변의 길이를 Y로 해서 X가 Y보다 클 경우에는 Y*Z>X(*은 곱셈의 부호)를 만족하는 최소의 정수 Z를 구하고, 구해진 Z개의 히터(20)를 서로 인접해서 밀착시켜 튜브(11)의 외주면에 권회한다. 각 히터(20)의 플러그(20c)를 전원 콘센트(20d)에 삽입함으로써 Z개의 히터(20)는 병렬 접속된다.When the length of the tube lining material 1 is long, as shown in FIG.2 (b), several heater 20 is closely contacted adjacent to each other and wound up on the outer peripheral surface of the tube 11. As shown in FIG. In this case, if X is greater than Y and the length of the tube lining material in the axial direction (the length of the tube 11) is X and the length of one side extending in the longitudinal direction of the tube lining material of the heater 20 is Y * Z The minimum integer Z satisfying> X (* is a sign of multiplication) is obtained, and the obtained Z heaters 20 are brought into close contact with each other and wound around the outer peripheral surface of the tube 11. The Z heaters 20 are connected in parallel by inserting the plug 20c of each heater 20 into the power outlet 20d.

또한, 도 2(a), (b)에서 최초의 히터(20)(도면에서 좌단)는 튜브(11)의 선단보다 조금 오른편인 곳에서 권회되어 있지만, 이것은 이해를 용이하게 하기 위해서이고 실제로는 히터(20)의 좌단과 튜브(11)의 선단은 거의 일치되는 위치로 한다.2 (a) and (b), the first heater 20 (left end in the figure) is wound at a position slightly to the right of the tip of the tube 11, but this is for ease of understanding and actually The left end of the heater 20 and the front end of the tube 11 are set to substantially coincide with each other.

도 2에 나타낸 관 라이닝재(1)의 경우, 그 관의 길이 방향의 길이(X)는 히터(20)의 1변(Y)보다 길므로 상술한 식에 의해 Z개의 히터(20)를 준비하고, 각 플러그(20c)를 콘센트(20d)에 삽입하고 Z개의 히터(20)를 병렬 접속한다. 도 2(b)의 예에서는 3개째의 히터(20)가 튜브(11)에 권회되어 병렬로 접속되어 있다. 다만, 동일 도면에서는 히터의 플러그나 콘센트는 번잡함을 피하기 위해서 도시가 생략되어 있다.In the case of the tube lining material 1 shown in FIG. 2, since the length X of the longitudinal direction of the tube is longer than one side Y of the heater 20, Z heaters 20 are prepared by the above-described formula. Then, each plug 20c is inserted into the outlet 20d, and the Z heaters 20 are connected in parallel. In the example of FIG. 2B, the third heater 20 is wound around the tube 11 and connected in parallel. However, in the same drawing, the plug or the outlet of the heater is omitted to avoid the complexity.

소정 개수(Z)의 히터(20)를 튜브(11)에 권회하고 각 플러그(20c)를 전원 콘센트(20d)에 삽입해서 각 히터(20)에 통전을 행하면 각 히터(20)의 전열선(20b)은 발열한다. 이에 따라, 튜브(11)와 관상 수지 흡수재(10)는 균일하게 가열되고, 튜브(11)는 관상 수지 흡수재(10)에 열용착되어 관상 수지 흡수재(10)에는 튜브(11)로 이루어지는 코팅층이 형성된다.When a predetermined number Z of heaters 20 are wound around the tube 11, and each plug 20c is inserted into a power outlet 20d to energize each heater 20, the heating wire 20b of each heater 20 is applied. ) Fever. Accordingly, the tube 11 and the tubular resin absorbent material 10 are uniformly heated, and the tube 11 is thermally welded to the tubular resin absorbent material 10 so that the tubular resin absorbent material 10 has a coating layer made of the tube 11. Is formed.

이렇게, 관 라이닝재의 관상 수지 흡수재가 긴 경우에도 소정의 개수의 히터를 연결해서 사용해서 관상 수지 흡수재 및 그것을 피복하는 튜브 전체를 가열하는 것이 가능하므로 효율적이고 또한 균일한 가열을 할 수 있어 튜브를 고품질로 관상 수지 흡수재에 열용착할 수 있다.In this way, even when the tubular resin absorbent material of the tubular lining material is long, it is possible to heat a tubular resin absorbent material and the entire tube covering the same by connecting a predetermined number of heaters, so that the tube can be efficiently and uniformly heated, thereby ensuring a high quality tube. Can be thermally welded to a tubular resin absorbent.

또한, 각 히터(20)가 인접하는 부분은 발열이 균일해지기 어려우므로 도 2(b)에서 가상선으로 나타낸 바와 같이, 열전도성이 좋은 금속제의 얇은 시트 (30)(예를 들면, 알루미늄 박)를 튜브(11)에 권회하고 그 위에 히터(20, 20)를 인접해서 권회하여 가열량을 균일화시키도록 한다. 도 2(b)에서 시트(30)는 1개소 밖에 도면에 나타내어져 있지 않지만 다른 인접하는 히터의 곳도 권회되는 것이다.In addition, since the heat generation becomes difficult to be uniform in the portion adjacent to each heater 20, as shown by the imaginary line in FIG. 2 (b), the thin sheet 30 made of metal with good thermal conductivity (for example, aluminum foil) ) Is wound on the tube 11, and the heaters 20 and 20 are wound adjacent to each other so as to equalize the heating amount. In FIG.2 (b), only one place 30 is shown in a figure, but the place of another adjacent heater is also wound up.

이와 같이, 관상 수지 흡수재(10)의 외주면에 튜브(11)가 열용착되면 진공 호스(13)를 통한 진공 처리를 중지함과 아울러 인 라이너(12)로의 압축 공기 공급을 중지하고, 튜브(11), 관상 수지 흡수재(10), 인 라이너(12)를 수축시켜 인 라이너(12)를 튜브(11)와 관상 수지 흡수재(10)로부터 떼어낸다.As described above, when the tube 11 is thermally welded to the outer circumferential surface of the tubular resin absorbent material 10, the vacuum treatment through the vacuum hose 13 is stopped, and the supply of compressed air to the in liner 12 is stopped, and the tube 11 is stopped. ), The tubular resin absorbent material 10 and the inliner 12 are shrunk to separate the inliner 12 from the tube 11 and the tubular resin absorbent material 10.

그리고, 공지의 방법(예를 들면, 일본 특허 공개 제 2001-108555 호 공보)을 이용하여 관상 수지 흡수재(10)에 가열에 의해 또는 광 조사에 의해 경화되는 수지 또는 상온에서 경화되는 경화성 수지를 함침시킨다. 즉, 관상 수지 흡수재(10)의 내부에 경화성 수지를 주입하고, 관상 수지 흡수재(10)를 진공 처리해서 관상 수지 흡수재(10)에 발생되는 부압에 의해 관상 수지 흡수재(10)에 경화성 수지를 함침시킨다. 이와 같이 해서, 관상 수지 흡수재의 외주면에 기밀성의 플라스틱 필름으로 이루어지는 튜브를 열용착하고, 상기 관상 수지 흡수재에 경화성 수지를 함침해서 이루어지는 관 라이닝재를 제조할 수 있다.Then, the tubular resin absorbent material 10 is impregnated with a resin cured by heating or light irradiation or a curable resin cured at normal temperature using a known method (for example, Japanese Patent Application Laid-Open No. 2001-108555). Let's do it. That is, the curable resin is injected into the tubular resin absorbent material 10, the tubular resin absorbent material 10 is vacuumed, and the tubular resin absorbent material 10 is impregnated with the curable resin by the negative pressure generated in the tubular resin absorbent material 10. Let's do it. In this way, the tube lining material formed by heat-welding the tube which consists of an airtight plastic film on the outer peripheral surface of a tubular resin absorbent material, and impregnating curable resin in the said tubular resin absorbent material can be manufactured.

이와 같이 제조된 관 라이닝재는 튜브가 내주면이 되도록 기설관에 반전 또는 인입에 의해 삽입되고, 공기압 등에 의해 팽창되어서 기설관의 내주면에 압접된 상태로 유지된다. 이 상태에서 관 라이닝재가 가열되거나 또는 광조사되어서 관상 수지 흡수재에 함침되어 있었던 경화성 수지가 경화되어 기설관이 라이닝된다.The tube lining material thus prepared is inserted by inverting or drawing into the existing pipe so that the tube becomes the inner circumferential surface, expanded by pneumatic pressure, etc., and maintained in pressure contact with the inner circumferential surface of the existing pipe. In this state, the tubular lining material is heated or irradiated with light to cure the curable resin impregnated in the tubular resin absorbent material, thereby lining the existing pipe.

(도면의 주요 부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

1 - 관 라이닝재1-pipe lining

10 - 관상 수지 흡수재10-tubular resin absorbent

11 - 튜브11-tube

12 - 인 라이너12-In Liner

13 - 진공 호스13-vacuum hose

20 - 히터20-heater

도 1은 튜브에 관상 수지 흡수재를 삽입해서 관상 수지 흡수재를 팽창시켰을 때의 관 라이닝재를 나타내는 사시도이다.BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the tube lining material at the time of expanding a tubular resin absorbent material by inserting a tubular resin absorbent material into a tube.

도 2(a)는 히터를 권회한 튜브와 관상 수지 흡수재를 나타내는 사시도, 도 2(b)는 복수개의 히터를 권회한 튜브와 관상 수지 흡수재를 나타내는 사시도이다.FIG. 2 (a) is a perspective view showing a tube wound around a heater and a tubular resin absorbent material, and FIG. 2 (b) is a perspective view showing a tube wound around a plurality of heaters and a tubular resin absorbent material.

도 3은 히터의 전열선의 접속을 나타내는 배선도이다.3 is a wiring diagram showing the connection of heating elements of a heater.

Claims (4)

관상 수지 흡수재의 외주면에 기밀성의 플라스틱 필름으로 이루어지는 튜브를 열용착하고, 상기 관상 수지 흡수재에 경화성 수지를 함침해서 관 라이닝재를 제조하는 관 라이닝재의 제조 방법으로서:As a method for producing a tubular lining material, which thermally welds a tube made of an airtight plastic film to an outer circumferential surface of the tubular resin absorbent material, and impregnates the curable resin in the tubular resin absorbent material to produce a tubular lining material: 상기 관상 수지 흡수재를 상기 튜브 내에 삽입해서 원기둥 형상으로 팽창시켜서 상기 튜브 내주면에 밀착시키고;Inserting the tubular resin absorbent material into the tube to expand the cylinder shape so as to be in close contact with the inner circumferential surface of the tube; 원기둥 형상으로 팽창된 상기 관상 수지 흡수재를 피복하는 상기 튜브의 외주면에 히터를 밀착해서 권회하고;A heater is wound in close contact with an outer circumferential surface of the tube covering the tubular resin absorbent material expanded into a cylindrical shape; 상기 히터에 통전함으로써 상기 튜브와 상기 관상 수지 흡수재를 가열하여 상기 튜브를 상기 관상 수지 흡수재에 열용착하는 것을 특징으로 하는 관 라이닝 재의 제조 방법.A method for producing a tubular lining material, wherein the tube and the tubular resin absorbent material are heated by energizing the heater to heat weld the tube to the tubular resin absorbent material. 제 1 항에 있어서,The method of claim 1, 상기 히터는 상기 튜브의 외주와 거의 같은 1변을 갖는 직사각형상 또는 정사각형상의 절연성의 천 내부에 전열선을 동일 피치로 주기적으로 사행시켜서 배치한 히터인 것을 특징으로 하는 관 라이닝재의 제조 방법.And the heater is a heater in which a heating wire is periodically meandered at the same pitch and arranged inside a rectangular or square insulating cloth having one side substantially the same as the outer circumference of the tube. 제 2 항에 있어서,The method of claim 2, 상기 관 라이닝재의 길이를 X, 상기 히터의 상기 관 라이닝재의 길이 방향으 로 연장되는 1변의 길이를 Y로 해서 X가 Y보다 클 경우에는 Y*Z>X를 만족하는 최소의 정수 Z를 구하고, 구해진 Z개의 상기 히터를 서로 인접해서 상기 튜브의 외주면에 권회하고, Z개의 상기 히터를 병렬 접속해서 통전하는 것을 특징으로 하는 관 라이닝재의 제조 방법.X is the length of the tube lining material, the length of one side extending in the longitudinal direction of the tube lining material of the heater is Y, and when X is larger than Y, the minimum integer Z satisfying Y * Z> X is obtained. The obtained Z said heaters are wound adjacent to each other on the outer peripheral surface of the said tube, and the said Z heaters are connected in electrical current, and the energization method of the tube lining material characterized by the above-mentioned. 제 3 항에 있어서,The method of claim 3, wherein 열전도성의 시트를 상기 튜브에 권회한 후 상기 열전도성의 시트를 통해서 상기 히터를 권회하는 것을 특징으로 하는 관 라이닝재의 제조 방법.After winding a thermally conductive sheet to the said tube, the said heater is wound up through the said thermally conductive sheet, The manufacturing method of the tube lining material characterized by the above-mentioned.
KR1020090129769A 2009-01-15 2009-12-23 Method of manufacturing tube lining bag KR20100084117A (en)

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