NO126144B - - Google Patents

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Publication number
NO126144B
NO126144B NO4686/70A NO468670A NO126144B NO 126144 B NO126144 B NO 126144B NO 4686/70 A NO4686/70 A NO 4686/70A NO 468670 A NO468670 A NO 468670A NO 126144 B NO126144 B NO 126144B
Authority
NO
Norway
Prior art keywords
piston
pressure medium
channels
channel
cylinder
Prior art date
Application number
NO4686/70A
Other languages
English (en)
Norwegian (no)
Inventor
P Kollandsrud
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
Priority to NO4686/70A priority Critical patent/NO126144B/no
Priority to CA128805A priority patent/CA938846A/en
Priority to US00204607A priority patent/US3747694A/en
Priority to FR7143920A priority patent/FR2117497A5/fr
Priority to SE7115698A priority patent/SE398835B/xx
Publication of NO126144B publication Critical patent/NO126144B/no

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)
NO4686/70A 1970-12-07 1970-12-07 NO126144B (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO4686/70A NO126144B (zh) 1970-12-07 1970-12-07
CA128805A CA938846A (en) 1970-12-07 1971-11-29 Pressure-medium operated percussion or impact apparatus
US00204607A US3747694A (en) 1970-12-07 1971-12-03 Pressure-medium operated percussion or impact apparatus
FR7143920A FR2117497A5 (zh) 1970-12-07 1971-12-07
SE7115698A SE398835B (sv) 1970-12-07 1971-12-07 Tryckmediumdriven slag- eller stotanordning

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
NO126144B true NO126144B (zh) 1972-12-27

Family

ID=19880518

Family Applications (1)

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

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
KR20060028770A (ko) * 2003-06-20 2006-04-03 플렉시드릴 리미티드 소닉 헤드와 그 조립체 및 그 사용방법
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
CA938846A (en) 1973-12-25
FR2117497A5 (zh) 1972-07-21
SE398835B (sv) 1978-01-23

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