FI119654B - Menetelmä ainakin kahden hydraulisen toimilaitteen toiminnan ohjaamiseksi, seurantaventtiili sekä edelleen kallionporauslaite - Google Patents

Menetelmä ainakin kahden hydraulisen toimilaitteen toiminnan ohjaamiseksi, seurantaventtiili sekä edelleen kallionporauslaite Download PDF

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Publication number
FI119654B
FI119654B FI20021980A FI20021980A FI119654B FI 119654 B FI119654 B FI 119654B FI 20021980 A FI20021980 A FI 20021980A FI 20021980 A FI20021980 A FI 20021980A FI 119654 B FI119654 B FI 119654B
Authority
FI
Finland
Prior art keywords
pressure
channel
slide
monitoring
sleeve
Prior art date
Application number
FI20021980A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20021980A7 (fi
FI20021980A0 (fi
Inventor
Roger Noel
Original Assignee
Sandvik Tamrock Oy
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 Tamrock Oy filed Critical Sandvik Tamrock Oy
Publication of FI20021980A0 publication Critical patent/FI20021980A0/fi
Priority to FI20021980A priority Critical patent/FI119654B/fi
Priority to FI20030320A priority patent/FI115552B/fi
Priority to DE60314172T priority patent/DE60314172T2/de
Priority to AT03810474T priority patent/ATE363583T1/de
Priority to EP03810473A priority patent/EP1558835B1/en
Priority to PCT/FI2003/000824 priority patent/WO2004042193A1/en
Priority to JP2004549220A priority patent/JP4388477B2/ja
Priority to DE60314272T priority patent/DE60314272T2/de
Priority to AU2003276295A priority patent/AU2003276295B2/en
Priority to EP03810474A priority patent/EP1558836B1/en
Priority to US10/533,873 priority patent/US7654337B2/en
Priority to AU2003276294A priority patent/AU2003276294B2/en
Priority to JP2005502119A priority patent/JP4566127B2/ja
Priority to AT03810473T priority patent/ATE364128T1/de
Priority to PCT/FI2003/000823 priority patent/WO2004042192A1/en
Priority to US10/533,884 priority patent/US7124578B2/en
Publication of FI20021980A7 publication Critical patent/FI20021980A7/fi
Priority to ZA200503536A priority patent/ZA200503536B/en
Priority to ZA200503537A priority patent/ZA200503537B/en
Application granted granted Critical
Publication of FI119654B publication Critical patent/FI119654B/fi

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
    • F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/026—Pressure compensating valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F15B2211/3053—In combination with a pressure compensating valve
    • F15B2211/30535—In combination with a pressure compensating valve the pressure compensating valve is arranged between pressure source and directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5153—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve
    • F15B2211/5155—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a directional control valve being connected to multiple output members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/57—Control of a differential pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6055—Load sensing circuits having valve means between output member and the load sensing circuit using pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
  • Safety Valves (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Valve Device For Special Equipments (AREA)
FI20021980A 2002-11-05 2002-11-05 Menetelmä ainakin kahden hydraulisen toimilaitteen toiminnan ohjaamiseksi, seurantaventtiili sekä edelleen kallionporauslaite FI119654B (fi)

Priority Applications (18)

Application Number Priority Date Filing Date Title
FI20021980A FI119654B (fi) 2002-11-05 2002-11-05 Menetelmä ainakin kahden hydraulisen toimilaitteen toiminnan ohjaamiseksi, seurantaventtiili sekä edelleen kallionporauslaite
FI20030320A FI115552B (fi) 2002-11-05 2003-02-28 Järjestely kallioporauksen ohjaamiseksi
AU2003276295A AU2003276295B2 (en) 2002-11-05 2003-11-05 Arrangement for controlling rock drilling
AU2003276294A AU2003276294B2 (en) 2002-11-05 2003-11-05 Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus
EP03810473A EP1558835B1 (en) 2002-11-05 2003-11-05 Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus
PCT/FI2003/000824 WO2004042193A1 (en) 2002-11-05 2003-11-05 Arrangement for controlling rock drilling
JP2004549220A JP4388477B2 (ja) 2002-11-05 2003-11-05 監視弁、削岩装置、およびそのような監視弁および削岩装置用の少なくとも２つの油圧アクチュエータの制御方法
DE60314272T DE60314272T2 (de) 2002-11-05 2003-11-05 Überwachungsventil, gesteinsbohrvorrichtung und verfahren zur steuerung von mindestens zwei hydraulischen stellgliedern für ein solches überwachungsventil und eine solche gesteinsbohrvorrichtung
DE60314172T DE60314172T2 (de) 2002-11-05 2003-11-05 Anordnung zur gesteinsbohrungssteuerung
EP03810474A EP1558836B1 (en) 2002-11-05 2003-11-05 Arrangement for controlling rock drilling
US10/533,873 US7654337B2 (en) 2002-11-05 2003-11-05 Arrangement for controlling rock drilling
AT03810474T ATE363583T1 (de) 2002-11-05 2003-11-05 Anordnung zur gesteinsbohrungssteuerung
JP2005502119A JP4566127B2 (ja) 2002-11-05 2003-11-05 削岩制御装置
AT03810473T ATE364128T1 (de) 2002-11-05 2003-11-05 Überwachungsventil, gesteinsbohrvorrichtung und verfahren zur steuerung von mindestens zwei hydraulischen stellgliedern für ein solches überwachungsventil und eine solche gesteinsbohrvorrichtung
PCT/FI2003/000823 WO2004042192A1 (en) 2002-11-05 2003-11-05 Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus
US10/533,884 US7124578B2 (en) 2002-11-05 2003-11-05 Monitoring valve, rock drilling apparatus and a method for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus
ZA200503536A ZA200503536B (en) 2002-11-05 2005-05-04 Arrangement for controlling rock drilling
ZA200503537A ZA200503537B (en) 2002-11-05 2005-05-04 Monitoring valve rock drilling apparatus and a mehtod for controlling at least two hydraulic actuators to such a monitoring valve and rock drilling apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20021980A FI119654B (fi) 2002-11-05 2002-11-05 Menetelmä ainakin kahden hydraulisen toimilaitteen toiminnan ohjaamiseksi, seurantaventtiili sekä edelleen kallionporauslaite
FI20021980 2002-11-05

Publications (3)

Publication Number Publication Date
FI20021980A0 FI20021980A0 (fi) 2002-11-05
FI20021980A7 FI20021980A7 (fi) 2004-05-06
FI119654B true FI119654B (fi) 2009-01-30

Family

ID=8564889

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021980A FI119654B (fi) 2002-11-05 2002-11-05 Menetelmä ainakin kahden hydraulisen toimilaitteen toiminnan ohjaamiseksi, seurantaventtiili sekä edelleen kallionporauslaite

Country Status (9)

Country Link
US (1) US7124578B2 (https=)
EP (1) EP1558835B1 (https=)
JP (1) JP4388477B2 (https=)
AT (1) ATE364128T1 (https=)
AU (1) AU2003276294B2 (https=)
DE (1) DE60314272T2 (https=)
FI (1) FI119654B (https=)
WO (1) WO2004042192A1 (https=)
ZA (2) ZA200503536B (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI115552B (fi) * 2002-11-05 2005-05-31 Sandvik Tamrock Oy Järjestely kallioporauksen ohjaamiseksi
DE102005048156B9 (de) * 2005-10-06 2010-08-12 Dorma Gmbh + Co. Kg Mobile Trennwand
FR2904446B1 (fr) * 2006-07-28 2008-10-03 Snecma Sa Procede de detection et de quantification d'anomalies de percage
SE532483C2 (sv) * 2007-04-11 2010-02-02 Atlas Copco Rock Drills Ab Metod, anordning och bergborrningsrigg för styrning av åtminstone en borrparameter
FI123634B (fi) * 2007-10-05 2013-08-30 Sandvik Mining & Constr Oy Kallionrikkomislaite, suojaventtiili sekä menetelmä kallionrikkomislaitteen käyttämiseksi
KR20110076073A (ko) * 2009-12-29 2011-07-06 볼보 컨스트럭션 이큅먼트 에이비 네가티브 컨트롤방식 유압시스템
CN103950855B (zh) * 2014-04-10 2014-12-31 中煤科工集团西安研究院有限公司 一种电液联控转臂限位装置
US20160221171A1 (en) * 2015-02-02 2016-08-04 Caterpillar Inc. Hydraulic hammer having dual valve acceleration control system
ES2907727T3 (es) * 2017-06-09 2022-04-26 Salvatore Buffo Válvula de seguridad para sistemas hidráulicos
CN112648247B (zh) * 2020-12-15 2023-02-24 陕西斯达防爆安全科技股份有限公司 一种合流逻辑复合作用液压阀组
CN112727818B (zh) * 2020-12-25 2023-03-21 中铁工程装备集团隧道设备制造有限公司 凿岩机的液压控制系统
CN113638943B (zh) * 2021-08-12 2024-06-14 中国铁建重工集团股份有限公司 一种冲击液压控制系统及凿岩台车
CN116025330B (zh) * 2022-12-14 2023-09-22 四川蓝海智能装备制造有限公司 一种防卡钎的电控式凿岩机液压控制结构及控制方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561542A (en) * 1969-03-20 1971-02-09 Gardner Denver Co Control system for rock drills
US3823729A (en) * 1973-05-07 1974-07-16 Ltv Aerospace Corp Differential pressure monitoring valve
US4484637A (en) * 1979-01-19 1984-11-27 Cooper Industries, Inc. Positioning control system for rock drill support apparatus
US4431020A (en) * 1981-10-08 1984-02-14 Marotta Scientific Controls, Inc. Flow-control system having a wide range of flow-rate control
US4516467A (en) * 1983-05-27 1985-05-14 Schroeder Brothers Corporation Method and apparatus for controlling a rotary percussive hydraulic drill
FI67604C (fi) * 1983-06-14 1985-04-10 Tampella Oy Ab Foerfarande och anordning foer reglering av matningsroerelsen hos en borrstaong vid bergborrning
US4967791A (en) * 1989-04-26 1990-11-06 The Boeing Company Pressure activated check valve
JP3124094B2 (ja) * 1991-12-25 2001-01-15 カヤバ工業株式会社 複数アクチュエータの制御装置
ZA932779B (en) * 1993-04-21 1994-10-12 Jarmo Uolevi Leppaenen Control system for percussion drill
US5826613A (en) * 1993-05-19 1998-10-27 Georg Fischer Rohrleitungssysteme Ag Flow control valve
FI95166C (fi) * 1994-04-14 1995-12-27 Tamrock Oy Sovitelma painenestekäyttöisessä kallionporauslaitteessa
FR2756003B1 (fr) * 1996-11-18 1998-12-24 Montabert Ets Dispositif de forage
ATE217564T1 (de) * 1997-10-03 2002-06-15 Sig Produktionstechnik Ag Bohrhammer
DE69935081T2 (de) 1998-12-28 2007-11-15 Furukawa Co. Ltd. Drucksteuerventil
US6408622B1 (en) * 1998-12-28 2002-06-25 Hitachi Construction Machinery Co., Ltd. Hydraulic drive device

Also Published As

Publication number Publication date
FI20021980A7 (fi) 2004-05-06
FI20021980A0 (fi) 2002-11-05
AU2003276294A1 (en) 2004-06-07
ZA200503536B (en) 2006-09-27
EP1558835A1 (en) 2005-08-03
EP1558835B1 (en) 2007-06-06
ATE364128T1 (de) 2007-06-15
JP2006505752A (ja) 2006-02-16
AU2003276294B2 (en) 2008-05-08
WO2004042192A1 (en) 2004-05-21
US20060011360A1 (en) 2006-01-19
US7124578B2 (en) 2006-10-24
DE60314272D1 (de) 2007-07-19
JP4388477B2 (ja) 2009-12-24
ZA200503537B (en) 2006-08-30
DE60314272T2 (de) 2008-02-07

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