FR2328838B1 - - Google Patents

Info

Publication number
FR2328838B1
FR2328838B1 FR7631551A FR7631551A FR2328838B1 FR 2328838 B1 FR2328838 B1 FR 2328838B1 FR 7631551 A FR7631551 A FR 7631551A FR 7631551 A FR7631551 A FR 7631551A FR 2328838 B1 FR2328838 B1 FR 2328838B1
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
FR7631551A
Other languages
French (fr)
Other versions
FR2328838A1 (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.)
Institut Cerac SA
Original Assignee
Institut Cerac SA
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 Institut Cerac SA filed Critical Institut Cerac SA
Publication of FR2328838A1 publication Critical patent/FR2328838A1/fr
Application granted granted Critical
Publication of FR2328838B1 publication Critical patent/FR2328838B1/fr
Granted legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C37/00Other methods or devices for dislodging with or without loading
    • E21C37/04Other methods or devices for dislodging with or without loading by devices with parts pressed mechanically against the wall of a borehole or a slit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR7631551A 1975-10-23 1976-10-20 Procede de rupture d'un materiau compact et dur, et appareil pour la mise en oeuvre du procede Granted FR2328838A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1375175A CH598472A5 (US20020128544A1-20020912-P00008.png) 1975-10-23 1975-10-23

Publications (2)

Publication Number Publication Date
FR2328838A1 FR2328838A1 (fr) 1977-05-20
FR2328838B1 true FR2328838B1 (US20020128544A1-20020912-P00008.png) 1982-07-09

Family

ID=4394991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631551A Granted FR2328838A1 (fr) 1975-10-23 1976-10-20 Procede de rupture d'un materiau compact et dur, et appareil pour la mise en oeuvre du procede

Country Status (12)

Country Link
US (1) US4099784A (US20020128544A1-20020912-P00008.png)
JP (1) JPS5252802A (US20020128544A1-20020912-P00008.png)
AU (1) AU500033B2 (US20020128544A1-20020912-P00008.png)
BR (1) BR7606989A (US20020128544A1-20020912-P00008.png)
CA (1) CA1077014A (US20020128544A1-20020912-P00008.png)
CH (1) CH598472A5 (US20020128544A1-20020912-P00008.png)
DE (1) DE2551145C2 (US20020128544A1-20020912-P00008.png)
FR (1) FR2328838A1 (US20020128544A1-20020912-P00008.png)
GB (1) GB1550858A (US20020128544A1-20020912-P00008.png)
IT (1) IT1072997B (US20020128544A1-20020912-P00008.png)
SE (1) SE429465B (US20020128544A1-20020912-P00008.png)
ZA (1) ZA766003B (US20020128544A1-20020912-P00008.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4288877A (en) * 1979-12-14 1981-09-15 Klepfer Harlan A Disposable protective garment
US4311343A (en) * 1980-04-25 1982-01-19 Terraspace, Inc. Apparatus for breaking rock or concrete
US4947534A (en) * 1988-09-30 1990-08-14 Davenport William C Apparatus and method for salvaging concentric piping members
US5015039A (en) * 1990-01-08 1991-05-14 The United States Of America As Represented By The Department Of The Interior Hydraulically actuated mechanical rock excavator
US5308149A (en) * 1992-06-05 1994-05-03 Sunburst Excavation, Inc. Non-explosive drill hole pressurization method and apparatus for controlled fragmentation of hard compact rock and concrete
AP880A (en) 1995-08-04 2000-10-11 Rocktek Ltd Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurisation of the bottom of a drill hole.
AP1053A (en) * 1995-08-07 2002-03-22 Rocktek Ltd Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting.
US6102484A (en) * 1996-07-30 2000-08-15 Applied Geodynamics, Inc. Controlled foam injection method and means for fragmentation of hard compact rock and concrete
US6347837B1 (en) 1999-03-11 2002-02-19 Becktek Limited Slide assembly having retractable gas-generator apparatus
US6375271B1 (en) 1999-04-30 2002-04-23 Young, Iii Chapman Controlled foam injection method and means for fragmentation of hard compact rock and concrete
AUPQ591000A0 (en) 2000-02-29 2000-03-23 Rockmin Pty Ltd Cartridge shell and cartridge for blast holes and method of use
AU2003200490B2 (en) * 2002-02-20 2008-05-08 Rocktek Ltd. Apparatus and method for fracturing a hard material
SE0202373L (sv) * 2002-08-07 2004-02-08 Atlas Copco Rock Drills Ab Anordning för spräckning av stenblock
JP2010065398A (ja) * 2008-09-08 2010-03-25 Totetsu Kogyo Co Ltd 割岩装置
CA3053880A1 (en) 2016-02-26 2017-08-31 L. Curtis Beaton Method and apparatus for splitting or cleaving rock
EP3415709B1 (en) 2017-06-12 2022-10-26 Sandvik Mining and Construction Oy Gripping device and method of gripping drilling tools
CN109356586B (zh) * 2018-12-14 2023-08-15 新乡市威达机械有限公司 钻孔和起煤一体的高效整煤开采装置及其使用方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US385655A (en) * 1888-07-03 Thomas aechee
US2634113A (en) * 1946-09-04 1953-04-07 Joy Mfg Co Combined drill and expansible breaker mechanism
US3105561A (en) * 1960-09-13 1963-10-01 Jersey Prod Res Co Hydraulic actuated drill collar
GB1238181A (US20020128544A1-20020912-P00008.png) * 1968-02-24 1971-07-07
JPS5112303A (ja) * 1974-07-20 1976-01-30 Maruei Kenki Kk Rotsukusupuritsutaa

Also Published As

Publication number Publication date
BR7606989A (pt) 1977-09-06
DE2551145C2 (de) 1982-04-01
SE429465B (sv) 1983-09-05
CH598472A5 (US20020128544A1-20020912-P00008.png) 1978-04-28
US4099784A (en) 1978-07-11
JPS5252802A (en) 1977-04-28
AU500033B2 (en) 1979-05-10
SE7610486L (sv) 1977-04-24
ZA766003B (en) 1977-09-28
CA1077014A (en) 1980-05-06
DE2551145A1 (de) 1977-04-28
AU1862376A (en) 1978-04-20
FR2328838A1 (fr) 1977-05-20
IT1072997B (it) 1985-04-13
GB1550858A (en) 1979-08-22

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Legal Events

Date Code Title Description
ST Notification of lapse