KR900016668A - Method and apparatus for installing replacement pipe in underground pipe - Google Patents

Method and apparatus for installing replacement pipe in underground pipe Download PDF

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Publication number
KR900016668A
KR900016668A KR1019890005013A KR890005013A KR900016668A KR 900016668 A KR900016668 A KR 900016668A KR 1019890005013 A KR1019890005013 A KR 1019890005013A KR 890005013 A KR890005013 A KR 890005013A KR 900016668 A KR900016668 A KR 900016668A
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KR
South Korea
Prior art keywords
pipe
collapsed
state
folded
new
Prior art date
Application number
KR1019890005013A
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Korean (ko)
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KR970005450B1 (en
Inventor
주니어 캠프벨 에이취. 스테커티
Original Assignee
원본미기재
누-파이프, 인코포레이티드
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Publication of KR900016668A publication Critical patent/KR900016668A/en
Priority to KR1019970002237A priority Critical patent/KR970008063B1/en
Application granted granted Critical
Publication of KR970005450B1 publication Critical patent/KR970005450B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16—Cutting rods or tubes transversely
    • B26D3/163—Cutting tubes from the inside
    • 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
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
    • F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally
    • 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
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/086—Bending or folding of tubes or other profiled members bending radially, i.e. deformig the cross-section of the tube
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • 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
    • B29C63/0004—Component parts, details or accessories; Auxiliary operations
    • B29C63/0013—Removing old coatings
    • 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
    • B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
    • 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
    • B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings
    • B29C63/343—Lining or sheathing of internal surfaces using tubular layers or sheathings the tubular sheathing having a deformed non-circular cross-section prior to introduction
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films
    • 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
    • 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/905—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using wet calibration, i.e. in a quenching tank
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/02—Thermal shrinking
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08—Thermoplastics

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

내용 없음.No content.

Description

지하배관에 교체 파이프를 설치하는 방법 및 장치Method and apparatus for installing replacement pipe in underground pipe

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따라 사용된 PVC파이프처럼 팽창되어 둥근상태의 종래의 열가소성 파이프의 횡단면도,1 is a cross-sectional view of a conventional thermoplastic pipe expanded and rounded like a PVC pipe used in accordance with the present invention,

제2도는 스푸물에 저장하기 위해 둥근상태에서 접힌 상태로 파이프를 감소하는 장치 및 제1도 열가소성 파이프의 사시도,FIG. 2 is a perspective view of the apparatus and FIG.

제3도는 제2도의 3-3선을 자른것과 같이 접힌후의 제2열가소성 파이프의 횡단면도,3 is a cross-sectional view of the second thermoplastic pipe after being folded as shown in section 3-3 of FIG.

제4도는 제2도 및 제3도의 접히고 감겨진 열가소성 파이프를 맨홀로부터 하수거 본관내에 설치하는 공정과 저장되고, 다시 설치되도록 지하파이프에 설치하기 위해 재가열된 열가소성 파이프를 도시하는 개략도.4 is a schematic diagram illustrating the installation of the folded and wound thermoplastic pipes of FIGS. 2 and 3 from the manhole into the sewage mains and the reheated thermoplastic pipes for installation in underground pipes to be stored and reinstalled.

Claims (14)

현재의 파이프라인내의 순환온도에서 강성 열가소성 물질로 된 교체파이프라인을 설치하는 방법에 있어서, 와해되고 접혀져서 축소된 상태에서 제조된 새로운 파이프를 운송하여 그 파이프의 최대 치수가 현재 파이프라인의 액세스 개구쪽으로 와해 접혀진 형테로 그 파이프라인의 내경 치수 이하이도록 메모리를 유지하는 단계; 파이프의 와해되어 접힌 형태에서 세로 방향의 유연성 상태를 이루는 길이측의 파이프 라인을 가열하는 단계; 그 가열된 유연성 상태에서 현재의 파이프내에 새로운 파이프의 앞단부를 끼우는 단계; 현재의 파이프내에 새로운 파이프를 설치하는 단계; 와해되어 접혀진 새로운 파이프에 열과 압력을 가하여 관형 형태로 새로운 파이프의 형태를 원형가공하는 단계; 관형 형태의 파이프 모양을 갖도록 새로운 파이프를 냉각시키는 단계를 포함하는 것을 특징으로 하는 교체 파이프 라인 설치방법.A method of installing a replacement pipeline of rigid thermoplastic material at a circulation temperature in a current pipeline, wherein the new pipe manufactured in the collapsed, collapsed and collapsed state is transported so that the maximum dimension of the pipe is the access opening of the current pipeline. Maintaining the memory to be less than or equal to the inner diameter dimension of the pipeline collapsed to the side; Heating the lengthwise pipeline to form a longitudinally flexible state in the collapsed and folded form of the pipe; Fitting the front end of a new pipe into the current pipe in its heated flexible state; Installing a new pipe in the current pipe; Applying heat and pressure to the collapsed and folded new pipe to circularly shape the new pipe into a tubular shape; Cooling the new pipe to have a tubular pipe shape. 제1항에 있어서, 현재의 파이프라인은 주파이프 라인과 연결되는 수평 파이프 라인이고, 그 새로운 파이프는 액세스 지점으로부터 주파이프 라인을 향하여 수평 파이프 라인에 끼워지며, 풀리 및 케이블 수단을 사용하여 현재의 파이프에 설치되어, 액세스 개구로부터 주파이프 라인과 멀어지는 방향으로 케이블 수단의 제1단부를 잡아늘림으로써 그 케이블 수단의 제2단부는 주파이프 라인쪽으로 새로운 파이프의 앞단부가 당겨지는 것을 특징으로 하는 방법.2. The pipeline according to claim 1, wherein the current pipeline is a horizontal pipeline connected to the main pipe line, and the new pipe is fitted into the horizontal pipeline from the access point toward the main pipe line, using a pulley and cable means. And a second end of the cable means being pulled in the pipe away from the access opening in the direction away from the main pipe line, so that the second end of the cable means is pulled towards the main pipe line. 제 1항에 있어서, 새로운 파이프를 형성토록 내부에 압력을 가하기 이전에 그 새로운 파이프의 앞단부 개구로부터 흐르는 유체의 힘을 제한하여, 그 파이프내의 유압을 증가시키고 뜨거운 유체는 그 새로운 파이프의 길이를 따라 그 내부로 통과시킨다음 파이프의 와해되어 접혀진 상태가 둥글어지도록 그 파이프를 팽창시 키기에 충분한 온도 및 압력하에서 파이프 후단부로부터 가열된 유체를 주입하는 단계를 포함하는 것을 특징으로 하는 방법.The method of claim 1, wherein the force of the fluid flowing from the front opening of the new pipe prior to pressurizing therein to create a new pipe increases the hydraulic pressure in the pipe and the hot fluid increases the length of the new pipe. And injecting heated fluid from the pipe rear end at a temperature and pressure sufficient to cause the pipe to expand and then to collapse in the collapsed and folded state of the pipe. 제3항에 있어서, 상기 새로운 파이프 후단부로 부터의 유체의 흐름은 와해되어 접혀진 새로운 파이프내로 옮겨진 유연하여 접을 수 있는 부풀림성 플러그를 사용하여 앞단부를 막음으로써 제한되는 것을 특징으로 하는방법.4. A method according to claim 3, wherein the flow of fluid from the new pipe back end is restricted by plugging the front end with a flexible, collapsible and swellable plug that is disintegrated and transferred into the folded new pipe. 제1항에 있어서, 새로운 파이프는 소망한 치수의 관형 모양으로 형성되도록 다이를 통해 뜨거운 플라스틱 상태에서 열가소성 파이프재를 돌출시키고, 와해되고 접혀져서 소망의 접혀진 형테로 관형 플라스틱을 형성하도록 크기 및 형상을 한 눈금측정판의 개구를 통해 실질적인 냉각이 이루어지기전에 플라스틱 상태의 그 뜨거운 열가소성재를 공급하는 반면, 열가소성재로 부분 메모리 상태가 되는 온도 이 상인 부분 진공 상태로 그 플라스틱재를 방치한다음, 와해되어 접혀진 파이프를 냉각시키는 반면, 그 와해되어 접혀진 형태에서 파이프를 세트하도록 그 눈금 측정판으로 또 그로부터 파이프를 인장시키고, 파이프가 세로 방향의 유연성을 갖지만 그 열가소성물질의 메모리 특성을 변경시킬 수 있는 온도 이하에 유지되도록 그 와해되어 접혀진 파이프를 제가열시키며, 그 와해되어 접혀진 상태에서, 파이프가 층을 이루도록 기억 상태하에 그 유연성 파이프를 방치하는 단계에 의해 제조되는 것을 특징으로 하는 방법.2. The pipe of claim 1 wherein the new pipes are sized and shaped to extrude the thermoplastic pipe material in a hot plastic state through the die to form a tubular shape of desired dimensions and to break and fold to form a tubular plastic of the desired folded type. While the hot thermoplastics in plastic state are fed through the opening of a calibrated plate, the plastics are left in a partial vacuum above the temperature at which the thermoplastics become a partial memory state and then collapsed. To cool the folded pipe, while tensioning the pipe with and from the calibrator to set the pipe in its collapsed folded form, the temperature at which the pipe has longitudinal flexibility but can change the memory properties of the thermoplastic Collapsed and folded so that it stays below Sikimyeo I heat the pipe, in that the collapsed folded state, it characterized in that the pipe is produced by the steps of: leaving the flexible pipe under storage conditions fulfill the layer. 제1항에 있어서, 수평 결합 위치에 대응하는 새로운 파이프내의 딤플 부분을 형성토록 충분한 열과 내압을 가하고, 딤플부분을 설치하고, 수평 결합을 위한 액세스 개구를 생성하도록 그 딤폴 부분에 그 새로운 파이프의 한 부분을 제거함으로써 둥글어지는 것을 특징으로 하는 방법.2. The new pipe of claim 1 wherein the dimple portion is adapted to apply sufficient heat and pressure to form a dimple portion in the new pipe corresponding to the horizontal engagement position, install the dimple portion, and create an access opening for the horizontal engagement. And rounding off by removing the portion. 제1항에 있어서, 상기 새로운 파이프의 앞단부를 원형가공하고, 그 파이프의 등근 앞단부 주위에 팽창가능밀봉 슬리이브를 고착시키며, 그 새로운 파이프를 설치한후에, 그 새 파이프와 현재의 파이프 사이에 단단하게 그 밀봉 슬리이브를 압축하도록 그 새로운 파이프를 가열, 원형가공 및 팽창시키는 단계를 추가로 포함하는 것을 특징으로 하는 방법.The method according to claim 1, wherein the front end of the new pipe is rounded, the inflatable sealing sleeve is fixed around the isoptical front end of the pipe, and after the new pipe is installed, the step between the new pipe and the current pipe is established. Heating, circularizing and expanding the new pipe to compress the sealing sleeve. 현재의 파이프 내측에 교체 파이프를 설치키 위한 장치에 있어서, 와해되어 평평하게 줄어든 직경 상태하의 앞단부 및 후단부를 갖고 있는 강성 열가소성 교체 파이프의 길이측용으로, 그 파이프가 굴곡지고 그 위에 전체층을 형성하는 강성이면서 와해되어 접혀진 상태의 강성 열가소성 교체 파이프의 상태를 기억하며, 그 기억된 파이프를 둘러싸는 외장을 포함하는 구성을 한 기억장치수단; 유연한 상태로 강성 파이프를 변환하도록 상기 외장의 내부를 가열하는 가열수단; 상기 외장으로 부터 유연성 와해 접힌 상태의 파이프의 앞단부를 수축시키기 위한 수축 수단; 가열되어 유연한 상태에서 현재의 파이프로 교체 파이프의 앞단부를 끼워 맞추는 삽입 수단; 그 와해 되어 접혀진 상태로 부터 현재 파이프의 둥근 상태로 삽입된 교체 파이프를 팽창시키기 위한 압력 수단을 구비하는데, 그 수단은 그 와해된 단부 파이프의 앞단부에서 와해되어 접혀진 파이프의 길이를 따라 그 가열된 유체의Apparatus for installing a replacement pipe inside an existing pipe, wherein the pipe is bent and forms a whole layer thereon for the longitudinal side of the rigid thermoplastic replacement pipe having a front end and a rear end under the collapsed and flattened diameter state. A storage means configured to store a state of the rigid thermoplastic replacement pipe in the collapsed and collapsed state, and including an enclosure surrounding the stored pipe; Heating means for heating the interior of the sheath to convert the rigid pipe into a flexible state; Contracting means for contracting the front end of the pipe in a state of flexible collapse from the sheath; Inserting means for fitting the front end of the replacement pipe to the current pipe in a heated and flexible state; Pressure means for inflating the replacement pipe inserted into the rounded state of the current pipe from its collapsed folded state, the means being heated along the length of the collapsed pipe at the fore end of the broken end pipe; Fluid 통로를 형성하여, 파이프 길이 수단내의 내압을 증가시켜 파이프 후단부로부터 파이프내에 가열된 유체를 가하는 제한 수단을 갖고 있는 것을 특징으로 하는 교체 파이프 설치 장치.And a restricting means for forming a passage and increasing the internal pressure in the pipe length means to apply a heated fluid in the pipe from the pipe rear end. 제8항에 있어서, 상기 열가소성 교체 파이프는 평평하게 접혀진 상태에서 제조됨으로써, 그 파이프는 그러한 상태의 메모리를 유지하는 것을 특징으로 하는 장치.9. The apparatus of claim 8, wherein the thermoplastic replacement pipe is manufactured in a flat folded state such that the pipe retains memory in that state. 제8항에 있어서, 상기 압력 수단은 그 앞단부에서 차단된 가요성 무탄력성 재킷과 그 재킷내의 내향관형 탄력성 비평형 블래더를 포함하는데, 그 블래더는 유압하에서 팽창가능하여 재킷이 유압의 소스에 그 블래더의 내부를 접속키 위한 블래더 후단부 둥근 관형 모양의 접속 수단을 갖도록 구성할 수 있는 것을 특징으로 하는장치.10. The method of claim 8, wherein the pressure means comprises a flexible, non-resilient jacket blocked at its front end and an inwardly tubular resilient non-flat bladder within the jacket, the bladder being expandable under hydraulic pressure such that the jacket is a source of hydraulic pressure. And a bladder rear end round tubular connection means for connecting the inside of the bladder. 제8항에 있어서, 상기 접혀져 와해된 형태의 파이프는 그 길이를 따라 와해되어 접혀지며, 그 한 측면과 둥근 구조 부분에 상호 접속된 제1및 제2렉상에 하나의 둥근 구조 부분을 구비하는 단부를 갖는데, 그 제1및 제2렉은 상기 접힌 파이프의 길이를 따라 유체통로를 형성하는 둥근 구조 자유 단부에서 종료하며, 그중 한 렉은 다른 한 렉보다 길어서, 짧은 렉의 구조 단부는 긴 렉의 구조 단부와 겹치는 구성으로 뒤에 위치함으로써 그 접힌 파이프의 전체 두께를 최소화시키는 것을 특징으로 하는 장치.9. An end according to claim 8, wherein the folded and disintegrated pipe is disintegrated and folded along its length and has one rounded structural portion on the first and second racks interconnected to one side and the rounded structural portion. Wherein the first and second legs terminate at a round structure free end forming a fluid passageway along the length of the folded pipe, one of which is longer than the other, so that the structural end of the shorter leg Positioned behind and in a configuration overlapping the structural end to minimize the overall thickness of the folded pipe. 제1항에 있어서, 상기 파이프는 폴리비닐 클로라이드인것을 특징으로 하는 방법.The method of claim 1 wherein the pipe is polyvinyl chloride. 제7항에 있어서, 단부 막힘을 제한하는 유체 흐름을 용이하게 하기 위해 유연하게 작업할 수 있는 상태로 상기 대체 파이프의 단부 부분 가열하는 가열기 수단을 포함하는 것을 특징으로 하는 장치.8. An apparatus according to claim 7, comprising heater means for heating the end portion of said replacement pipe in a flexible working state to facilitate fluid flow that limits end clogging. 현재의 파이프내에서 설치되고 평평하게 접혀진 형태를 기억하도록 평평하게 접혀진 형태에서 제조되는 강성 열가소성 파이프의 길이를 제거하는 방법에 있어서, 파이프를 유연하게 하여 그 파이프가 현재 파이프의 내경 이하의 치수를 갖는 평평하게 접혀진 형태로 적어도 부분적으로 복원하도록 새로운 파이프의 길이측을 가열 시키는 단계; 그 새로운 파이프의 유연성을 지속시키는 상태에서 현재 파이프로부터 적어도 부분적으로 평평하게 접혀진 헝태로 새로운 파이프를 제거시키는 단계를 포함하는 것을 특징으로 하는 방법.A method of removing the length of a rigid thermoplastic pipe that is installed in a flat folded form to remember a flat folded form in a current pipe, wherein the pipe is flexible so that the pipe has dimensions less than the inner diameter of the current pipe. Heating the length side of the new pipe to at least partially restore to a flat folded form; Removing the new pipe from the current pipe at least partially flat with the condition of maintaining the flexibility of the new pipe. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890005013A 1988-04-13 1989-04-13 Apparatus and method of removal of replacement pipe KR970005450B1 (en)

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