FR2144865B1 - - Google Patents

Info

Publication number
FR2144865B1
FR2144865B1 FR7224643A FR7224643A FR2144865B1 FR 2144865 B1 FR2144865 B1 FR 2144865B1 FR 7224643 A FR7224643 A FR 7224643A FR 7224643 A FR7224643 A FR 7224643A FR 2144865 B1 FR2144865 B1 FR 2144865B1
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
FR7224643A
Other versions
FR2144865A1 (fr
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Publication of FR2144865A1 publication Critical patent/FR2144865A1/fr
Application granted granted Critical
Publication of FR2144865B1 publication Critical patent/FR2144865B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR7224643A 1971-07-08 1972-07-07 Expired FR2144865B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA714521A ZA714521B (en) 1971-07-08 1971-07-08 Rock-cutting machines rock-cutting machines

Publications (2)

Publication Number Publication Date
FR2144865A1 FR2144865A1 (fr) 1973-02-16
FR2144865B1 true FR2144865B1 (fr) 1977-01-14

Family

ID=25563618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224643A Expired FR2144865B1 (fr) 1971-07-08 1972-07-07

Country Status (8)

Country Link
US (1) US3857516A (fr)
JP (1) JPS54441B1 (fr)
AU (1) AU471913B2 (fr)
CA (1) CA971581A (fr)
DE (1) DE2232993C2 (fr)
FR (1) FR2144865B1 (fr)
GB (1) GB1381629A (fr)
ZA (1) ZA714521B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5180785U (fr) * 1974-12-20 1976-06-26
JPS5180783U (fr) * 1974-12-20 1976-06-26
JPS5180784U (fr) * 1974-12-20 1976-06-26
US4111490A (en) * 1975-09-05 1978-09-05 Liesveld Daniel J Method and apparatus for channel cutting of hard materials using high velocity fluid jets
US4074858A (en) * 1976-11-01 1978-02-21 Institute Of Gas Technology High pressure pulsed water jet apparatus and process
US4081200A (en) * 1976-12-10 1978-03-28 Flow Industries, Inc. Method and apparatus to remove structural concrete
US4176883A (en) * 1977-05-26 1979-12-04 Liesveld Daniel J Oscillating liquid jet system and method for cutting granite and the like
FR2458672A1 (fr) * 1979-06-06 1981-01-02 Gewerk Eisenhuette Westfalia Dispositif d'abattage, en particulier pour l'abattage du charbon dans les exploitations minieres au fond
CA1233638A (fr) * 1984-04-16 1988-03-08 Ryszard J. Puchala Methode et appareil d'enlevement de beton
US4854770A (en) * 1984-04-16 1989-08-08 Indescor Hydrodynamics Inc. Method and apparatus for removal of surface material
US4753549A (en) * 1986-08-29 1988-06-28 Nlb Corporation Method and apparatus for removing structural concrete
JPS63233730A (ja) * 1987-03-20 1988-09-29 株式会社　丸山製作所 霜害防止方法及び装置
US4793734A (en) * 1987-10-22 1988-12-27 Nlb Apparatus for removing structural concrete
GB2213513B (en) * 1987-12-10 1991-10-16 Coal Ind Improvements in or relating to mineral mining machines
DK0482019T3 (da) * 1989-07-21 1997-05-12 Australian Stone Tech Fremgangsmåde og apparat til skæring af nedbrydelige materialer ved brug af højtryksvandorganer
WO1994007001A1 (fr) * 1992-09-18 1994-03-31 Ned Jet Cutting Systems Inc. Systeme de coupe a jet de liquide oscillant programmable
US8191972B2 (en) * 2004-10-27 2012-06-05 Mac & Mac Hydrodemolition Inc. Hydrodemolition machine for inclined surfaces
US8814274B2 (en) * 2004-10-27 2014-08-26 Gerard J. MacNeil Machine and method for deconstructing a vertical wall
US8538697B2 (en) * 2009-06-22 2013-09-17 Mark C. Russell Core sample preparation, analysis, and virtual presentation
US8827373B2 (en) * 2010-02-03 2014-09-09 Mac & Mac Hydrodemolition Inc. Top-down hydro-demolition system with rigid support frame

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US81760A (en) * 1868-09-01 Improved coal-miotg apparatus
US531019A (en) * 1894-12-18 Coal-mining machine
US2501639A (en) * 1948-05-11 1950-03-21 Chiksan Co Zero-moment swivel nozzle
US3165361A (en) * 1960-05-05 1965-01-12 Coal Industry Patents Ltd Rotary pick mining machine
US3241772A (en) * 1963-10-25 1966-03-22 Elkhart Brass Mfg Co Water curtain nozzle
US3521820A (en) * 1967-01-31 1970-07-28 Exotech Hydraulic pulsed jet device
US3565191A (en) * 1969-05-27 1971-02-23 Ingersoll Rand Co Hydraulic jet drills
US3592387A (en) * 1969-12-24 1971-07-13 Ulysse J Pilotte Hydraulic-powered screw-driven paint sprayer
US3708121A (en) * 1971-04-19 1973-01-02 Exotech Apparatus for forming pulse jets of liquid
JPS5024737A (fr) * 1973-06-27 1975-03-17

Also Published As

Publication number Publication date
AU4427472A (en) 1974-01-10
ZA714521B (en) 1972-09-27
DE2232993A1 (de) 1973-01-18
DE2232993B1 (de) 1975-02-06
AU471913B2 (en) 1976-05-06
JPS54441B1 (fr) 1979-01-11
FR2144865A1 (fr) 1973-02-16
US3857516A (en) 1974-12-31
GB1381629A (en) 1975-01-22
DE2232993C2 (de) 1975-09-11
CA971581A (en) 1975-07-22

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Legal Events

Date Code Title Description
ST Notification of lapse