DE2454784B2 - Bohrstange zum schlagbohren - Google Patents

Bohrstange zum schlagbohren

Info

Publication number
DE2454784B2
DE2454784B2 DE19742454784 DE2454784A DE2454784B2 DE 2454784 B2 DE2454784 B2 DE 2454784B2 DE 19742454784 DE19742454784 DE 19742454784 DE 2454784 A DE2454784 A DE 2454784A DE 2454784 B2 DE2454784 B2 DE 2454784B2
Authority
DE
Germany
Prior art keywords
rod
boring
sleeve
elements
sound
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.)
Ceased
Application number
DE19742454784
Other languages
German (de)
English (en)
Other versions
DE2454784A1 (de
Inventor
Erik Nacka; Carlvik Ingvar Lidingö; Liljekvist Bernt Sören; Hägglund Anders Carl Gustaf; Sandviken; Ahlberg (Schweden)
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.)
Atlas Copco AB
Original Assignee
Atlas Copco 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 AB filed Critical Atlas Copco AB
Publication of DE2454784A1 publication Critical patent/DE2454784A1/de
Publication of DE2454784B2 publication Critical patent/DE2454784B2/de
Ceased legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D17/00Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11Arrangements of noise-damping means

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Ceramic Products (AREA)
DE19742454784 1973-12-03 1974-11-19 Bohrstange zum schlagbohren Ceased DE2454784B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7316276A SE390188C (sv) 1973-12-03 1973-12-03 Borrstang for slaende bergborrning

Publications (2)

Publication Number Publication Date
DE2454784A1 DE2454784A1 (de) 1975-06-26
DE2454784B2 true DE2454784B2 (de) 1976-11-25

Family

ID=20319260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19742454784 Ceased DE2454784B2 (de) 1973-12-03 1974-11-19 Bohrstange zum schlagbohren

Country Status (16)

Country Link
US (1) US3971447A (enExample)
JP (1) JPS5086770A (enExample)
AT (1) AT357132B (enExample)
BR (1) BR7410031A (enExample)
CA (1) CA1021211A (enExample)
CH (1) CH583846A5 (enExample)
DE (1) DE2454784B2 (enExample)
ES (1) ES432481A1 (enExample)
FI (1) FI350074A7 (enExample)
FR (1) FR2253140A1 (enExample)
GB (1) GB1467688A (enExample)
IE (1) IE40547B1 (enExample)
IT (1) IT1025541B (enExample)
NO (1) NO143467C (enExample)
SE (1) SE390188C (enExample)
ZA (1) ZA747052B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920139A1 (de) * 1979-05-18 1980-11-20 Ruhrkohle Ag Schlagbohrstange
EP0066891A3 (en) * 1981-06-10 1984-01-18 Ruhrkohle Aktiengesellschaft Noise damping means for drilling rods

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543578C2 (de) * 1975-09-30 1986-03-06 Friedrich Duss Maschinenfabrik GmbH & Co, 7265 Neubulach Gesteinsbohrer
GB1525145A (en) * 1975-10-09 1978-09-20 Atlas Copco Ab Vibration-damped impact tool
DE2738657A1 (de) * 1977-08-26 1979-03-08 Knorr Bremse Gmbh Schutzbalg fuer bremszylinder
US4142593A (en) * 1977-10-25 1979-03-06 Smith International, Inc. Raise drill inner yoke bridge
DE2851160A1 (de) * 1978-11-25 1980-06-04 Wacker Werke Kg Vorrichtung zum mindern der geraeuschentwicklung an den werkzeugen von bohr- und aufbruchhaemmern
FR2469150A1 (fr) * 1979-11-07 1981-05-22 Mathou Marcel Structure de mobilier a assemblage anti-bruit
FR2553697B1 (fr) * 1983-10-24 1986-03-14 Charbonnages De France Dispositif d'insonorisation d'un fleuret de foration
RU2203382C2 (ru) * 2001-01-29 2003-04-27 ОАО "Восточный научно-исследовательский горнорудный институт" Буровая штанга
US7210555B2 (en) * 2004-06-30 2007-05-01 Halliburton Energy Services, Inc. Low frequency acoustic attenuator for use in downhole applications
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
US8431192B2 (en) 2011-07-07 2013-04-30 Baker Hughes Incorporated Methods of forming protecting coatings on substrate surfaces
US9121321B2 (en) * 2013-12-31 2015-09-01 Rufus Larry Terrell Exhaust system passive noise cancellation assembly and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB536786A (en) * 1939-03-04 1941-05-27 Wearne Dunstan Improvements in or relating to rock drill tools
GB552305A (en) * 1941-12-03 1943-03-31 Climax Rock Drill & Engineering Works Ltd Improvements relating to percussive drills
DE1151477B (de) * 1958-04-04 1963-07-18 Electro Chimie Metal Verbindung einer Bohrkrone mit einer Bohrstange fuer Gesteinsbohrhaemmer
US3265091A (en) * 1962-12-07 1966-08-09 Jarnett Frank D De Fluid-packed drill pipe
US3842942A (en) * 1973-10-01 1974-10-22 Us Interior Constrained layer damper and noise suppressor for a rock drill steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920139A1 (de) * 1979-05-18 1980-11-20 Ruhrkohle Ag Schlagbohrstange
EP0066891A3 (en) * 1981-06-10 1984-01-18 Ruhrkohle Aktiengesellschaft Noise damping means for drilling rods

Also Published As

Publication number Publication date
DE2454784A1 (de) 1975-06-26
NO143467C (no) 1981-02-18
SE390188B (sv) 1976-12-06
JPS5086770A (enExample) 1975-07-12
NO744332L (enExample) 1975-06-30
ZA747052B (en) 1975-11-26
AT357132B (de) 1980-06-25
ES432481A1 (es) 1976-11-16
SE7316276L (enExample) 1975-06-04
US3971447A (en) 1976-07-27
GB1467688A (en) 1977-03-16
IE40547B1 (en) 1979-06-20
IT1025541B (it) 1978-08-30
SE390188C (sv) 1979-10-08
ATA899474A (de) 1976-12-15
NO143467B (no) 1980-11-10
FR2253140A1 (enExample) 1975-06-27
IE40547L (en) 1975-06-03
AU7517674A (en) 1976-05-13
CH583846A5 (enExample) 1977-01-14
BR7410031A (pt) 1976-05-25
CA1021211A (en) 1977-11-22
FI350074A7 (enExample) 1975-06-04

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Legal Events

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