AU8275682A - An extension coupling for rock drilling equipment - Google Patents

An extension coupling for rock drilling equipment

Info

Publication number
AU8275682A
AU8275682A AU82756/82A AU8275682A AU8275682A AU 8275682 A AU8275682 A AU 8275682A AU 82756/82 A AU82756/82 A AU 82756/82A AU 8275682 A AU8275682 A AU 8275682A AU 8275682 A AU8275682 A AU 8275682A
Authority
AU
Australia
Prior art keywords
drilling equipment
rock drilling
extension coupling
extension
coupling
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.)
Granted
Application number
AU82756/82A
Other versions
AU547091B2 (en
Inventor
Gosta Christer Gustafsson
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.)
Fagersta AB
Original Assignee
Fagersta AB
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 Fagersta AB filed Critical Fagersta AB
Publication of AU8275682A publication Critical patent/AU8275682A/en
Application granted granted Critical
Publication of AU547091B2 publication Critical patent/AU547091B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods

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)
AU82756/82A 1981-04-24 1982-03-26 An extension coupling for rock drilling equipment Ceased AU547091B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8102626A SE426089B (en) 1981-04-24 1981-04-24 CUTTING COMPOUNDS FOR MOUNTAIN DRILL EQUIPMENT
SE8102626-2 1981-04-24

Publications (2)

Publication Number Publication Date
AU8275682A true AU8275682A (en) 1982-11-04
AU547091B2 AU547091B2 (en) 1985-10-03

Family

ID=20343676

Family Applications (1)

Application Number Title Priority Date Filing Date
AU82756/82A Ceased AU547091B2 (en) 1981-04-24 1982-03-26 An extension coupling for rock drilling equipment

Country Status (9)

Country Link
EP (1) EP0077336B1 (en)
AU (1) AU547091B2 (en)
CA (1) CA1178944A (en)
DE (1) DE3264233D1 (en)
FI (1) FI77303C (en)
IE (1) IE52613B1 (en)
SE (1) SE426089B (en)
WO (1) WO1982003653A1 (en)
ZA (1) ZA822203B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553171B1 (en) * 1983-10-03 1988-04-08 Dril Quip Inc APPARATUS AND METHOD FOR CONNECTING PARTICULARLY CYLINDRICAL ELEMENTS SUCH AS TUBES
SE8600199L (en) * 1986-01-17 1987-07-18 Loevab Loef Och Oestlund Ab Drilling Tools
US5622820A (en) * 1988-03-10 1997-04-22 City Of Hope Method for amplification and detection of RNA and DNA sequences
SE522221C2 (en) * 2001-10-12 2004-01-27 Sandvik Ab Striking rock drill joints
JP4954542B2 (en) 2005-12-09 2012-06-20 三菱マテリアル株式会社 Drilling rod, drilling bit and drilling tool
CA2652278A1 (en) * 2006-05-17 2007-11-22 Sandvik Intellectual Property Ab A top hammer rock-drilling tool, a drill rod and coupling sleeve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122757A (en) * 1935-07-05 1938-07-05 Hughes Tool Co Drill stem coupling
SE401232B (en) * 1970-05-04 1978-04-24 Sandvik Ab THREADED CONNECTION FOR IMPACT BRUSHES

Also Published As

Publication number Publication date
ZA822203B (en) 1983-02-23
SE8102626L (en) 1982-10-25
SE426089B (en) 1982-12-06
FI824324A0 (en) 1982-12-16
FI824324L (en) 1982-12-16
EP0077336A1 (en) 1983-04-27
WO1982003653A1 (en) 1982-10-28
FI77303C (en) 1989-02-10
IE820955L (en) 1982-10-24
DE3264233D1 (en) 1985-08-01
EP0077336B1 (en) 1985-06-19
IE52613B1 (en) 1987-12-23
CA1178944A (en) 1984-12-04
FI77303B (en) 1988-10-31
AU547091B2 (en) 1985-10-03

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