WO1986001846A3 - Lining underground ducts - Google Patents

Lining underground ducts

Info

Publication number
WO1986001846A3
WO1986001846A3 PCT/GB1985/000433 GB8500433W WO8601846A3 WO 1986001846 A3 WO1986001846 A3 WO 1986001846A3 GB 8500433 W GB8500433 W GB 8500433W WO 8601846 A3 WO8601846 A3 WO 8601846A3
Authority
WO
WIPO (PCT)
Prior art keywords
duct
chain
lining
pipe sections
plate
Prior art date
Application number
PCT/GB1985/000433
Other languages
French (fr)
Other versions
WO1986001846A2 (en
WO1986001846A1 (en
Inventor
Ian Roland Yarnell
Original Assignee
Ian Roland Yarnell
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
Priority claimed from GB848423678A external-priority patent/GB8423678D0/en
Priority claimed from GB848428141A external-priority patent/GB8428141D0/en
Application filed by Ian Roland Yarnell filed Critical Ian Roland Yarnell
Publication of WO1986001846A2 publication Critical patent/WO1986001846A2/en
Publication of WO1986001846A1 publication Critical patent/WO1986001846A1/en
Publication of WO1986001846A3 publication Critical patent/WO1986001846A3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E21B7/205—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal
    • E21B7/206—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal using down-hole drives
    • 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
    • F16L55/1658—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 old pipe being ruptured prior to insertion of a new pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Pipe Accessories (AREA)

Abstract

A method of lining an underground duct includes towing an assembly of duct enlarging apparatus (10) and lining pipe sections (14) through the duct (12) by passing a chain (18) through the whole assembly and attaching it to a plate (42) placed over the rearmost pipe section (14A). In this way, tensile overloading of the joints between the pipe sections (14) due to frictional contact of the sections against the wall of the duct (12) is avoided. As the assembly is moved through the duct (12), new pipe sections (14) are periodically attached at the rear by releasing the tension on the chain (18), removing the plate (42), threading the chain (18) through the new section (14), and replacing the plate (42). To reduce snaking of the lining pipe when under compression, a clamp is included inside the leading apparatus to clamp the chain (18) and limit the compression of the pipe sections (14).
PCT/GB1985/000433 1984-09-19 1985-09-19 Lining underground ducts WO1986001846A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB848423678A GB8423678D0 (en) 1984-09-19 1984-09-19 Lining-replacing underground conduits
GB8423678 1984-09-19
GB8428141 1984-11-07
GB848428141A GB8428141D0 (en) 1984-11-07 1984-11-07 Clamping device

Publications (3)

Publication Number Publication Date
WO1986001846A2 WO1986001846A2 (en) 1986-03-27
WO1986001846A1 WO1986001846A1 (en) 1986-03-27
WO1986001846A3 true WO1986001846A3 (en) 1986-05-22

Family

ID=

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408978A1 (en) * 1974-02-25 1975-08-28 Hermanns Karl Hans Tool for pulling together bell sleeve channel pipes - has front and rear thrust bearings with pulling device
EP0006567A1 (en) * 1978-06-24 1980-01-09 Alfred Jagemann Heating element for electrically heating stairs, floors, concrete elements, etc.
US4309128A (en) * 1979-11-26 1982-01-05 Williams Richard Lee Method and apparatus for removing deflection from plastic pipes
GB2079805A (en) * 1980-07-05 1982-01-27 Demco Ltd Lining underground conduits

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408978A1 (en) * 1974-02-25 1975-08-28 Hermanns Karl Hans Tool for pulling together bell sleeve channel pipes - has front and rear thrust bearings with pulling device
EP0006567A1 (en) * 1978-06-24 1980-01-09 Alfred Jagemann Heating element for electrically heating stairs, floors, concrete elements, etc.
US4309128A (en) * 1979-11-26 1982-01-05 Williams Richard Lee Method and apparatus for removing deflection from plastic pipes
GB2079805A (en) * 1980-07-05 1982-01-27 Demco Ltd Lining underground conduits

Also Published As

Publication number Publication date
GB8523200D0 (en) 1985-10-23
PT81154A (en) 1985-10-01
EP0195042A1 (en) 1986-09-24
AU4863985A (en) 1986-04-08
PT81154B (en) 1992-05-29
GB2164718A (en) 1986-03-26
WO1986001846A2 (en) 1986-03-27
GR852253B (en) 1986-01-14

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