GB8520309D0 - Main bursting tool - Google Patents

Main bursting tool

Info

Publication number
GB8520309D0
GB8520309D0 GB858520309A GB8520309A GB8520309D0 GB 8520309 D0 GB8520309 D0 GB 8520309D0 GB 858520309 A GB858520309 A GB 858520309A GB 8520309 A GB8520309 A GB 8520309A GB 8520309 D0 GB8520309 D0 GB 8520309D0
Authority
GB
United Kingdom
Prior art keywords
bursting tool
main bursting
main
tool
bursting
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Withdrawn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
GB858520309A
Other versions
GB2169680A (en
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Withdrawn legal-status Critical Current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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (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 true GB8520309D0 (en) 1985-09-18
GB2169680A 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 (en)
GB (1) GB2169680A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8612654D0 (en) * 1986-05-23 1986-07-02 Ipd Systems Ltd Correcting irregularities in/enlarging underground duct
JPH0425578Y2 (en) * 1986-08-20 1992-06-18
GB2214260A (en) * 1988-01-12 1989-08-31 British Gas Plc Mole
CN104563880B (en) * 2014-12-29 2016-09-21 宁波华众和创工业设计有限公司 Reamer with drag reduction fraising formula belt
CN105401884B (en) * 2015-11-17 2018-10-09 恒天九五重工有限公司 Horizontal directional drill transfer gear

Also Published As

Publication number Publication date
GB2169680A (en) 1986-07-16
JPS61180082A (en) 1986-08-12
JPH036396B2 (en) 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)