IT1025541B - Asta di perforazione a percussione - Google Patents

Asta di perforazione a percussione

Info

Publication number
IT1025541B
IT1025541B IT29243/74A IT2924374A IT1025541B IT 1025541 B IT1025541 B IT 1025541B IT 29243/74 A IT29243/74 A IT 29243/74A IT 2924374 A IT2924374 A IT 2924374A IT 1025541 B IT1025541 B IT 1025541B
Authority
IT
Italy
Prior art keywords
drill rod
percussion drill
percussion
rod
drill
Prior art date
Application number
IT29243/74A
Other languages
English (en)
Original Assignee
Sandvik 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 Sandvik Ab filed Critical Sandvik Ab
Application granted granted Critical
Publication of IT1025541B publication Critical patent/IT1025541B/it

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11—Arrangements 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)
IT29243/74A 1973-12-03 1974-11-08 Asta di perforazione a percussione IT1025541B (it)

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 (1)

Publication Number Publication Date
IT1025541B true IT1025541B (it) 1978-08-30

Family

ID=20319260

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29243/74A IT1025541B (it) 1973-12-03 1974-11-08 Asta di perforazione a percussione

Country Status (16)

Country Link
US (1) US3971447A (it)
JP (1) JPS5086770A (it)
AT (1) AT357132B (it)
BR (1) BR7410031A (it)
CA (1) CA1021211A (it)
CH (1) CH583846A5 (it)
DE (1) DE2454784B2 (it)
ES (1) ES432481A1 (it)
FI (1) FI350074A (it)
FR (1) FR2253140A1 (it)
GB (1) GB1467688A (it)
IE (1) IE40547B1 (it)
IT (1) IT1025541B (it)
NO (1) NO143467C (it)
SE (1) SE390188C (it)
ZA (1) ZA747052B (it)

Families Citing this family (13)

* 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
DE2920139C2 (de) * 1979-05-18 1986-10-02 Ruhrkohle Ag, 4300 Essen Schlagbohrstange
FR2469150A1 (fr) * 1979-11-07 1981-05-22 Mathou Marcel Structure de mobilier a assemblage anti-bruit
EP0066891B1 (de) * 1981-06-10 1986-03-12 Ruhrkohle Aktiengesellschaft Lärmgedämpfte Bohrstange
FR2553697B1 (fr) * 1983-10-24 1986-03-14 Charbonnages De France Dispositif d'insonorisation d'un fleuret de foration
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

Also Published As

Publication number Publication date
IE40547B1 (en) 1979-06-20
FI350074A (it) 1975-06-04
SE390188C (sv) 1979-10-08
ATA899474A (de) 1976-12-15
CH583846A5 (it) 1977-01-14
NO143467B (no) 1980-11-10
ZA747052B (en) 1975-11-26
ES432481A1 (es) 1976-11-16
DE2454784B2 (de) 1976-11-25
US3971447A (en) 1976-07-27
AT357132B (de) 1980-06-25
CA1021211A (en) 1977-11-22
SE390188B (sv) 1976-12-06
NO744332L (it) 1975-06-30
JPS5086770A (it) 1975-07-12
IE40547L (en) 1975-06-03
GB1467688A (en) 1977-03-16
AU7517674A (en) 1976-05-13
NO143467C (no) 1981-02-18
FR2253140A1 (it) 1975-06-27
DE2454784A1 (de) 1975-06-26
SE7316276L (it) 1975-06-04
BR7410031A (pt) 1976-05-25

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