FR2117497A5 - - Google Patents

Info

Publication number
FR2117497A5
FR2117497A5 FR7143920A FR7143920A FR2117497A5 FR 2117497 A5 FR2117497 A5 FR 2117497A5 FR 7143920 A FR7143920 A FR 7143920A FR 7143920 A FR7143920 A FR 7143920A FR 2117497 A5 FR2117497 A5 FR 2117497A5
Authority
FR
France
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
FR7143920A
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 FR2117497A5 publication Critical patent/FR2117497A5/fr
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)
FR7143920A 1970-12-07 1971-12-07 Expired FR2117497A5 (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2117497A5 true FR2117497A5 (fr) 1972-07-21

Family

ID=19880518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7143920A Expired FR2117497A5 (fr) 1970-12-07 1971-12-07

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2029852B1 (fr) * 2006-06-22 2017-08-09 Montabert S.A. Appareil rotopercutant hydraulique du type perforatrice

Families Citing this family (7)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2029852B1 (fr) * 2006-06-22 2017-08-09 Montabert S.A. Appareil rotopercutant hydraulique du type perforatrice

Also Published As

Publication number Publication date
US3747694A (en) 1973-07-24
CA938846A (en) 1973-12-25
NO126144B (fr) 1972-12-27
SE398835B (sv) 1978-01-23

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Legal Events

Date Code Title Description
ST Notification of lapse