GB2169680A - Mole - Google Patents

Mole Download PDF

Info

Publication number
GB2169680A
GB2169680A GB08520309A GB8520309A GB2169680A GB 2169680 A GB2169680 A GB 2169680A GB 08520309 A GB08520309 A GB 08520309A GB 8520309 A GB8520309 A GB 8520309A GB 2169680 A GB2169680 A GB 2169680A
Authority
GB
United Kingdom
Prior art keywords
tool according
wedge
parts
tool
wall
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.)
Withdrawn
Application number
GB08520309A
Other languages
English (en)
Other versions
GB8520309D0 (en
Inventor
Malcolm Wayman
Geoffrey Ingles Mood
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.)
British Gas Corp
Original Assignee
British Gas Corp
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 GB08500565A external-priority patent/GB2153040B/en
Priority claimed from GB08505093A external-priority patent/GB2171485A/en
Application filed by British Gas Corp filed Critical British Gas Corp
Publication of GB8520309D0 publication Critical patent/GB8520309D0/en
Publication of GB2169680A publication Critical patent/GB2169680A/en
Withdrawn legal-status Critical Current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
    • F16L55/1658—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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sewage (AREA)
  • Earth Drilling (AREA)
GB08520309A 1985-01-10 1985-08-13 Mole Withdrawn GB2169680A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08500565A GB2153040B (en) 1984-01-19 1985-01-10 Self-propelled apparatus for replacing (e.g. gas) mains
GB08505093A GB2171485A (en) 1985-02-27 1985-02-27 Mole or pig

Publications (2)

Publication Number Publication Date
GB8520309D0 GB8520309D0 (en) 1985-09-18
GB2169680A true GB2169680A (en) 1986-07-16

Family

ID=26288653

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08520309A Withdrawn GB2169680A (en) 1985-01-10 1985-08-13 Mole

Country Status (2)

Country Link
JP (1) JPS61180082A (enrdf_load_stackoverflow)
GB (1) GB2169680A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191558B (en) * 1986-05-23 1990-08-01 Ipd Systems Ltd Improved apparatus for correcting irregularities in or enlarging an underground duct
CN104563880A (zh) * 2014-12-29 2015-04-29 无锡中地地质装备有限公司 带减阻铰孔式腰带的扩孔器
CN105401884A (zh) * 2015-11-17 2016-03-16 恒天九五重工有限公司 水平定向钻分动器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425578Y2 (enrdf_load_stackoverflow) * 1986-08-20 1992-06-18
GB2214260A (en) * 1988-01-12 1989-08-31 British Gas Plc Mole

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2191558B (en) * 1986-05-23 1990-08-01 Ipd Systems Ltd Improved apparatus for correcting irregularities in or enlarging an underground duct
CN104563880A (zh) * 2014-12-29 2015-04-29 无锡中地地质装备有限公司 带减阻铰孔式腰带的扩孔器
CN105401884A (zh) * 2015-11-17 2016-03-16 恒天九五重工有限公司 水平定向钻分动器

Also Published As

Publication number Publication date
JPS61180082A (ja) 1986-08-12
GB8520309D0 (en) 1985-09-18
JPH036396B2 (enrdf_load_stackoverflow) 1991-01-29

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)