GB2212748B - Drive head apparatus for a rock boring machine - Google Patents

Drive head apparatus for a rock boring machine

Info

Publication number
GB2212748B
GB2212748B GB8827553A GB8827553A GB2212748B GB 2212748 B GB2212748 B GB 2212748B GB 8827553 A GB8827553 A GB 8827553A GB 8827553 A GB8827553 A GB 8827553A GB 2212748 B GB2212748 B GB 2212748B
Authority
GB
United Kingdom
Prior art keywords
boring machine
drive head
head apparatus
rock boring
rock
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 - Lifetime
Application number
GB8827553A
Other versions
GB2212748A (en
GB8827553D0 (en
Inventor
Llewellan Anderson
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.)
Robbins Co
Original Assignee
Robbins Co
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 Robbins Co filed Critical Robbins Co
Publication of GB8827553D0 publication Critical patent/GB8827553D0/en
Publication of GB2212748A publication Critical patent/GB2212748A/en
Application granted granted Critical
Publication of GB2212748B publication Critical patent/GB2212748B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers

Landscapes

  • 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)
  • Earth Drilling (AREA)
GB8827553A 1987-11-26 1988-11-25 Drive head apparatus for a rock boring machine Expired - Lifetime GB2212748B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA878873 1987-11-26
US26752788A 1988-11-04 1988-11-04

Publications (3)

Publication Number Publication Date
GB8827553D0 GB8827553D0 (en) 1988-12-29
GB2212748A GB2212748A (en) 1989-08-02
GB2212748B true GB2212748B (en) 1991-11-27

Family

ID=26952491

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8827553A Expired - Lifetime GB2212748B (en) 1987-11-26 1988-11-25 Drive head apparatus for a rock boring machine

Country Status (4)

Country Link
AU (1) AU600184B2 (en)
DE (1) DE3839898C2 (en)
FI (1) FI885483A (en)
GB (1) GB2212748B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736993A (en) * 1971-07-15 1973-06-05 Robbins Co High torque boring machine
US3800887A (en) * 1972-02-07 1974-04-02 Robbins Co Drive head assembly for an earth drilling machine
DE2962450D1 (en) * 1978-08-25 1982-05-19 Diamant Boart Sa Chuck for driving a drill pipe
AU562909B2 (en) * 1982-02-24 1987-06-25 Drill Systems International Ltd Drilling apparatus

Also Published As

Publication number Publication date
DE3839898C2 (en) 1998-04-30
FI885483A0 (en) 1988-11-25
GB2212748A (en) 1989-08-02
GB8827553D0 (en) 1988-12-29
DE3839898A1 (en) 1989-06-08
FI885483A (en) 1989-05-27
AU2594988A (en) 1989-06-01
AU600184B2 (en) 1990-08-02

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20081124