CA938846A - Pressure-medium operated percussion or impact apparatus - Google Patents

Pressure-medium operated percussion or impact apparatus

Info

Publication number
CA938846A
CA938846A CA128805A CA128805A CA938846A CA 938846 A CA938846 A CA 938846A CA 128805 A CA128805 A CA 128805A CA 128805 A CA128805 A CA 128805A CA 938846 A CA938846 A CA 938846A
Authority
CA
Canada
Prior art keywords
pressure
medium operated
impact apparatus
operated percussion
percussion
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.)
Expired
Application number
CA128805A
Other languages
English (en)
Other versions
CA128805S (en
Inventor
Kollandsrud Per
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.)
Moelven Brug AS
Original Assignee
Moelven Brug AS
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 Moelven Brug AS filed Critical Moelven Brug AS
Application granted granted Critical
Publication of CA938846A publication Critical patent/CA938846A/en
Expired 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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
CA128805A 1970-12-07 1971-11-29 Pressure-medium operated percussion or impact apparatus Expired CA938846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO4686/70A NO126144B (zh) 1970-12-07 1970-12-07

Publications (1)

Publication Number Publication Date
CA938846A true CA938846A (en) 1973-12-25

Family

ID=19880518

Family Applications (1)

Application Number Title Priority Date Filing Date
CA128805A Expired CA938846A (en) 1970-12-07 1971-11-29 Pressure-medium operated percussion or impact apparatus

Country Status (5)

Country Link
US (1) US3747694A (zh)
CA (1) CA938846A (zh)
FR (1) FR2117497A5 (zh)
NO (1) NO126144B (zh)
SE (1) SE398835B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918532A (en) * 1974-05-10 1975-11-11 Chicago Pneumatic Tool Co Hydraulic tool
US3918531A (en) * 1974-06-14 1975-11-11 Chicago Pneumatic Tool Co Hydraulic rock drill having automatic carriage feed
US3945442A (en) * 1974-10-07 1976-03-23 Chicago Pneumatic Tool Company Hydraulic rock drill with stroke responsive advance
SE468443B (sv) * 1991-05-30 1993-01-18 Uniroc Ab Spolkanalanordning vid slaaende maskiner foer borrning
JP3680941B2 (ja) * 2002-01-18 2005-08-10 マックス株式会社 コンクリートドリル
WO2004113668A1 (en) * 2003-06-20 2004-12-29 Flexidrill Limited Sonic heads and assemblies and uses thereof
FR2902821B1 (fr) * 2006-06-22 2008-08-22 Montabert Soc Par Actions Simp Appareil rotopercutant hydraulique du type perforatrice
FI124922B (fi) * 2012-01-18 2015-03-31 Yrjö Raunisto Iskulaite

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3453657A (en) * 1967-04-17 1969-07-01 Maston C Bolton Fluid actuated percussion tool
US3480088A (en) * 1967-12-05 1969-11-25 Leo L Ghelfi Differential pressure tool
US3616865A (en) * 1969-02-26 1971-11-02 Boris Vasilievich Sudnishnikov Pneumatic percussion device for making holes in the ground by packing the latter
US3692122A (en) * 1970-12-23 1972-09-19 Baker Oil Tools Inc High frequency pneumatically actuated drilling hammer

Also Published As

Publication number Publication date
US3747694A (en) 1973-07-24
FR2117497A5 (zh) 1972-07-21
NO126144B (zh) 1972-12-27
SE398835B (sv) 1978-01-23

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