FR2268573B1 - - Google Patents

Info

Publication number
FR2268573B1
FR2268573B1 FR7512781A FR7512781A FR2268573B1 FR 2268573 B1 FR2268573 B1 FR 2268573B1 FR 7512781 A FR7512781 A FR 7512781A FR 7512781 A FR7512781 A FR 7512781A FR 2268573 B1 FR2268573 B1 FR 2268573B1
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
FR7512781A
Other languages
French (fr)
Other versions
FR2268573A1 (sv
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.)
Hydroacoustics Inc
Original Assignee
Hydroacoustics Inc
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 Hydroacoustics Inc filed Critical Hydroacoustics Inc
Publication of FR2268573A1 publication Critical patent/FR2268573A1/fr
Application granted granted Critical
Publication of FR2268573B1 publication Critical patent/FR2268573B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR7512781A 1974-04-24 1975-04-24 Expired FR2268573B1 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US463625A US3903972A (en) 1974-04-24 1974-04-24 Impact tools

Publications (2)

Publication Number Publication Date
FR2268573A1 FR2268573A1 (sv) 1975-11-21
FR2268573B1 true FR2268573B1 (sv) 1980-10-17

Family

ID=23840754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7512781A Expired FR2268573B1 (sv) 1974-04-24 1975-04-24

Country Status (9)

Country Link
US (1) US3903972A (sv)
JP (1) JPS5432987B2 (sv)
AU (1) AU476939B2 (sv)
CA (1) CA1018864A (sv)
DE (1) DE2518240C2 (sv)
FR (1) FR2268573B1 (sv)
GB (1) GB1460556A (sv)
SE (1) SE405693B (sv)
ZA (1) ZA752428B (sv)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56052C (fi) * 1975-01-16 1979-11-12 Tampella Oy Ab Hydraulisk bergborrmaskin
US4265321A (en) * 1975-11-12 1981-05-05 Joy Manufacturing Company Rock drill
US4062411A (en) * 1975-12-05 1977-12-13 Gardner-Denver Company Hydraulic percussion tool with impact blow and frequency control
US4550785A (en) * 1976-04-28 1985-11-05 Consolidated Technologies Corporation Hammer
US4282937A (en) * 1976-04-28 1981-08-11 Joy Manufacturing Company Hammer
US4409368A (en) * 1981-07-13 1983-10-11 The General Tire & Rubber Company Preparation of star polymers
US4569412A (en) * 1982-05-26 1986-02-11 Hydroacoustics Inc. Seismic source
US4828048A (en) * 1986-11-10 1989-05-09 Mayer James R Hydraulic Percussion tool
US4858701A (en) * 1987-11-30 1989-08-22 Weyer Paul P Fluid-powered impact device and tool therefor
FR2657806B1 (fr) * 1990-02-02 1992-05-22 Karagandin Politekhn Marteau hydraulique a main.
SE504828C2 (sv) * 1990-04-11 1997-05-12 Sandvik Ab Hammaranordning där kolv och borrkrona har omvänd design relativt varandra vad gäller impedans
DK9400012U4 (da) * 1994-01-11 1995-04-28 Breakers As Hydraulisk drevet underjordisk fortrængningsapparat
US5680904A (en) * 1995-11-30 1997-10-28 Patterson; William N. In-the-hole percussion rock drill
SE509915C2 (sv) * 1997-06-09 1999-03-22 Atlas Copco Tools Ab Hydraulisk momentimpulsgeneratoror
KR100260308B1 (ko) * 1997-06-11 2000-07-01 최해성 개선된 실링을 갖는 유압헤머
FI106618B (sv) * 1998-03-30 2001-03-15 Sandvik Tamrock Oy Arrangemang i samband med en hydraulvätskedriven slaganordning, såsom t.ex. i en krossanordning
US6155361A (en) * 1999-01-27 2000-12-05 Patterson; William N. Hydraulic in-the-hole percussion rock drill
US6464023B2 (en) 1999-01-27 2002-10-15 William N. Patterson Hydraulic in-the-hole percussion rock drill
CA2295463C (en) 1999-01-27 2008-04-29 William N. Patterson Hydraulic in-the-hole percussion rock drill
ES2293382T3 (es) 2003-12-19 2008-03-16 Clark Equipment Company Herramienta de impacto.
SE526992C2 (sv) * 2004-03-12 2005-12-06 Atlas Copco Constr Tools Ab Hydraulisk tryckackumulator
US8991515B2 (en) * 2007-02-01 2015-03-31 J.H. Fletcher & Co. Fail-resistant hammer assembly for a valveless percussive drill
US7681664B2 (en) * 2008-03-06 2010-03-23 Patterson William N Internally dampened percussion rock drill
KR200466458Y1 (ko) * 2009-11-11 2013-04-18 주식회사수산중공업 유압 타격장치용 어큐뮬레이터의 비정상 압력 해소장치
SE535149C2 (sv) * 2010-08-31 2012-05-02 Atlas Copco Rock Drills Ab Hydrauliskt slagverk för användning i berg-eller betongavverkande utrustning
US8474363B2 (en) 2011-07-03 2013-07-02 Vincent M. Kelly Axial piston and valve shaft fluid engine
SE536382C2 (sv) * 2012-02-17 2013-10-01 Atlas Copco Constr Tools Ab Tryckackumulator & slaganordning
DE102012013409A1 (de) * 2012-05-23 2013-11-28 Atlas Copco Construction Tools Gmbh Schlagvorrichtung
NO337771B1 (en) * 2015-03-18 2016-06-20 Resonator As Percussive hammering assembly
AU2020358126A1 (en) * 2019-10-03 2022-04-21 Warren Strange Liquid hammer drill
CN110984843B (zh) * 2019-12-29 2021-09-10 东台市高科技术创业园有限公司 一种液压冲击钻动力装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2749886A (en) * 1954-06-07 1956-06-12 Richard M Densmore Fluid pressure self-reciprocating actuator
DE1281370B (de) * 1963-09-06 1968-10-24 Krupp Gmbh Schlaggeraet mit hydraulisch hin- und herbewegten Kolben
DE1230386B (de) * 1964-11-19 1966-12-15 Salzgitter Maschinen Ag Hydrobohrhammer
FR1431835A (fr) * 1965-01-28 1966-03-18 Montabert Ets Appareil à percussions
DE6602835U (de) * 1965-10-11 1969-07-03 Heinz Callsen Mit druckfluessigkeit betriebenes schlaggeraet
GB1159465A (en) * 1966-07-06 1969-07-23 Hugo Cordes Control for a Ramming Hammer with Hydraulic Drive

Also Published As

Publication number Publication date
DE2518240C2 (de) 1985-09-05
JPS5432987B2 (sv) 1979-10-17
AU8024575A (en) 1976-10-07
JPS50148202A (sv) 1975-11-27
FR2268573A1 (sv) 1975-11-21
SE405693B (sv) 1978-12-27
DE2518240A1 (de) 1975-11-20
AU476939B2 (en) 1976-10-07
SE7504440L (sv) 1975-10-27
CA1018864A (en) 1977-10-11
US3903972A (en) 1975-09-09
ZA752428B (en) 1976-03-31
GB1460556A (en) 1977-01-06

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Legal Events

Date Code Title Description
ST Notification of lapse