ZA90827B - Device in impact machines - Google Patents

Device in impact machines

Info

Publication number
ZA90827B
ZA90827B ZA90827A ZA90827A ZA90827B ZA 90827 B ZA90827 B ZA 90827B ZA 90827 A ZA90827 A ZA 90827A ZA 90827 A ZA90827 A ZA 90827A ZA 90827 B ZA90827 B ZA 90827B
Authority
ZA
South Africa
Prior art keywords
impact machines
projections
rods
machines
impact
Prior art date
Application number
ZA90827A
Other languages
English (en)
Inventor
Joergen Alf Robert Rodert
Alf Robert Rodert Joergen
Original Assignee
Atlas Copco Mct 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 Atlas Copco Mct Ab filed Critical Atlas Copco Mct Ab
Publication of ZA90827B publication Critical patent/ZA90827B/xx

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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • 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
    • 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
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1042—Elastomer protector or centering means

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Disintegrating Or Milling (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Air Bags (AREA)
  • Battery Mounting, Suspending (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Surface Treatment Of Glass (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
ZA90827A 1989-03-07 1990-02-05 Device in impact machines ZA90827B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8900783A SE466318B (sv) 1989-03-07 1989-03-07 Bussningsanordning vid bergborrningsverktyg innefattande en central staangsats och omgivande roer

Publications (1)

Publication Number Publication Date
ZA90827B true ZA90827B (en) 1992-02-26

Family

ID=20375255

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA90827A ZA90827B (en) 1989-03-07 1990-02-05 Device in impact machines

Country Status (11)

Country Link
US (1) US5005656A (xx)
EP (1) EP0387217B1 (xx)
JP (1) JP2870942B2 (xx)
AT (1) ATE99767T1 (xx)
AU (1) AU622289B2 (xx)
CA (1) CA2009733C (xx)
DE (1) DE69005669T2 (xx)
ES (1) ES2047906T3 (xx)
FI (1) FI89966C (xx)
SE (1) SE466318B (xx)
ZA (1) ZA90827B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467419B (sv) * 1990-11-14 1992-07-13 Uniroc Ab Borrstraengkomponent
US5839517A (en) * 1993-01-27 1998-11-24 Lord Corporation Vibration isolator for hand-held vibrating devices
US5893419A (en) * 1997-01-08 1999-04-13 Fm Industries, Inc. Hydraulic impact tool
SE534173C2 (sv) 2009-08-28 2011-05-17 Atlas Copco Secoroc Ab Borrsträngskomponenet med vibrationsdämpande struktur anordnad i anslutning till åtminstone en del av dess insida
US10145182B2 (en) * 2012-11-29 2018-12-04 Tuboscope Vetco (France) Sas Landing pipe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227230A (en) * 1961-02-21 1966-01-04 Atlas Copco Ab Combination ring and central drill bit drilling equipment
US3401758A (en) 1966-10-10 1968-09-17 Dresser Ind Flow control valve for jet type bits
SE374781B (xx) * 1973-07-05 1975-03-17 Sandvik Ab
SE8501698L (sv) * 1985-04-04 1986-10-05 Santrade Ltd Borrkrona
SE460917B (sv) * 1988-04-26 1989-12-04 Sandvik Ab Borrstraengskomponent foer topphammarborrning

Also Published As

Publication number Publication date
JP2870942B2 (ja) 1999-03-17
US5005656A (en) 1991-04-09
SE8900783L (sv) 1990-09-08
AU622289B2 (en) 1992-04-02
EP0387217A1 (en) 1990-09-12
SE466318B (sv) 1992-01-27
SE8900783D0 (sv) 1989-03-07
JPH0333393A (ja) 1991-02-13
FI901134A0 (fi) 1990-03-06
AU5068190A (en) 1990-09-13
ES2047906T3 (es) 1994-03-01
FI89966C (fi) 1993-12-10
CA2009733A1 (en) 1990-09-07
ATE99767T1 (de) 1994-01-15
DE69005669D1 (de) 1994-02-17
DE69005669T2 (de) 1994-04-28
CA2009733C (en) 2001-12-04
EP0387217B1 (en) 1994-01-05
FI89966B (fi) 1993-08-31

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