ZA752428B - Impact tool generating percussive forces - Google Patents

Impact tool generating percussive forces

Info

Publication number
ZA752428B
ZA752428B ZA00752428A ZA752428A ZA752428B ZA 752428 B ZA752428 B ZA 752428B ZA 00752428 A ZA00752428 A ZA 00752428A ZA 752428 A ZA752428 A ZA 752428A ZA 752428 B ZA752428 B ZA 752428B
Authority
ZA
South Africa
Prior art keywords
impact tool
tool generating
percussive forces
generating percussive
forces
Prior art date
Application number
ZA00752428A
Inventor
J Boyoucos
R Selsam
Original Assignee
Hydroacoustic 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 Hydroacoustic Inc filed Critical Hydroacoustic Inc
Publication of ZA752428B publication Critical patent/ZA752428B/en

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)
ZA00752428A 1974-04-24 1975-04-16 Impact tool generating percussive forces ZA752428B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA752428B true ZA752428B (en) 1976-03-31

Family

ID=23840754

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752428A ZA752428B (en) 1974-04-24 1975-04-16 Impact tool generating percussive forces

Country Status (9)

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

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56052C (en) * 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 (en) * 1990-02-02 1992-05-22 Karagandin Politekhn HAND HYDRAULIC HAMMER.
SE504828C2 (en) * 1990-04-11 1997-05-12 Sandvik Ab Hammer device where piston and drill bit have reverse design relative to each other in terms of impedance
DK9400012U4 (en) * 1994-01-11 1995-04-28 Breakers As Hydraulically driven underground displacement device
US5680904A (en) * 1995-11-30 1997-10-28 Patterson; William N. In-the-hole percussion rock drill
SE509915C2 (en) * 1997-06-09 1999-03-22 Atlas Copco Tools Ab Hydraulic torque pulse generator
KR100260308B1 (en) * 1997-06-11 2000-07-01 최해성 Hydraulic hammer having improved seal ring
FI106618B (en) * 1998-03-30 2001-03-15 Sandvik Tamrock Oy Arrangement in connection with a pressurized-impact device such as a breaking device
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 (en) 2003-12-19 2008-03-16 Clark Equipment Company IMPACT TOOL.
SE526992C2 (en) * 2004-03-12 2005-12-06 Atlas Copco Constr Tools Ab Hydraulic pressure accumulator
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 (en) * 2009-11-11 2013-04-18 주식회사수산중공업 A Solve Device for Accumulator abnormal pressure of Constrbattinguction Machine
SE535149C2 (en) * 2010-08-31 2012-05-02 Atlas Copco Rock Drills Ab Hydraulic percussion for use in rock or concrete cutting equipment
US8474363B2 (en) 2011-07-03 2013-07-02 Vincent M. Kelly Axial piston and valve shaft fluid engine
SE536382C2 (en) * 2012-02-17 2013-10-01 Atlas Copco Constr Tools Ab Pressure accumulator & impact device
DE102012013409A1 (en) * 2012-05-23 2013-11-28 Atlas Copco Construction Tools Gmbh impact device
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 (en) * 2019-12-29 2021-09-10 东台市高科技术创业园有限公司 Hydraulic percussion drill power device

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 (en) * 1963-09-06 1968-10-24 Krupp Gmbh Impact device with hydraulically reciprocating pistons
DE1230386B (en) * 1964-11-19 1966-12-15 Salzgitter Maschinen Ag Hydraulic hammer
FR1431835A (en) * 1965-01-28 1966-03-18 Montabert Ets Percussion device
DE6602835U (en) * 1965-10-11 1969-07-03 Heinz Callsen PRESSURIZED IMPACT DEVICE
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 (en) 1985-09-05
JPS5432987B2 (en) 1979-10-17
AU8024575A (en) 1976-10-07
JPS50148202A (en) 1975-11-27
FR2268573A1 (en) 1975-11-21
SE405693B (en) 1978-12-27
DE2518240A1 (en) 1975-11-20
AU476939B2 (en) 1976-10-07
SE7504440L (en) 1975-10-27
CA1018864A (en) 1977-10-11
US3903972A (en) 1975-09-09
GB1460556A (en) 1977-01-06
FR2268573B1 (en) 1980-10-17

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