GB2183777B - Mole assembly - Google Patents

Mole assembly

Info

Publication number
GB2183777B
GB2183777B GB8629172A GB8629172A GB2183777B GB 2183777 B GB2183777 B GB 2183777B GB 8629172 A GB8629172 A GB 8629172A GB 8629172 A GB8629172 A GB 8629172A GB 2183777 B GB2183777 B GB 2183777B
Authority
GB
United Kingdom
Prior art keywords
mole
assembly
mole assembly
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.)
Expired - Fee Related
Application number
GB8629172A
Other versions
GB8629172D0 (en
GB2183777A (en
Inventor
Alec Reginald Carruthers
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.)
ALH Systems Ltd
Original Assignee
ALH Systems Ltd
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
Application filed by ALH Systems Ltd filed Critical ALH Systems Ltd
Publication of GB8629172D0 publication Critical patent/GB8629172D0/en
Publication of GB2183777A publication Critical patent/GB2183777A/en
Application granted granted Critical
Publication of GB2183777B publication Critical patent/GB2183777B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
GB8629172A 1985-12-10 1986-12-05 Mole assembly Expired - Fee Related GB2183777B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858530398A GB8530398D0 (en) 1985-12-10 1985-12-10 Mole assembly

Publications (3)

Publication Number Publication Date
GB8629172D0 GB8629172D0 (en) 1987-01-14
GB2183777A GB2183777A (en) 1987-06-10
GB2183777B true GB2183777B (en) 1990-05-16

Family

ID=10589528

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858530398A Pending GB8530398D0 (en) 1985-12-10 1985-12-10 Mole assembly
GB8629172A Expired - Fee Related GB2183777B (en) 1985-12-10 1986-12-05 Mole assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858530398A Pending GB8530398D0 (en) 1985-12-10 1985-12-10 Mole assembly

Country Status (1)

Country Link
GB (2) GB8530398D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823900C1 (en) * 1988-07-14 1989-02-16 Hans Brochier Gmbh & Co, 8500 Nuernberg, De
DE3902081C1 (en) * 1989-01-25 1989-07-27 Hans Brochier Gmbh & Co, 8500 Nuernberg, De

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181302A (en) * 1959-08-28 1965-05-04 William R Lindsay Pipe splitier and spreader
GB2153040A (en) * 1984-01-19 1985-08-14 British Gas Corp Self-propelled apparatus for replacing (e.g. gas) mains

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181302A (en) * 1959-08-28 1965-05-04 William R Lindsay Pipe splitier and spreader
GB2153040A (en) * 1984-01-19 1985-08-14 British Gas Corp Self-propelled apparatus for replacing (e.g. gas) mains

Also Published As

Publication number Publication date
GB8629172D0 (en) 1987-01-14
GB2183777A (en) 1987-06-10
GB8530398D0 (en) 1986-01-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee