ZA752568B - Improvements in or relating to methods of and means for breaking hard compact material - Google Patents

Improvements in or relating to methods of and means for breaking hard compact material

Info

Publication number
ZA752568B
ZA752568B ZA00752568A ZA752568A ZA752568B ZA 752568 B ZA752568 B ZA 752568B ZA 00752568 A ZA00752568 A ZA 00752568A ZA 752568 A ZA752568 A ZA 752568A ZA 752568 B ZA752568 B ZA 752568B
Authority
ZA
South Africa
Prior art keywords
relating
methods
compact material
hard compact
breaking hard
Prior art date
Application number
ZA00752568A
Other languages
English (en)
Inventor
B Lemcke
J Denisart
B Edney
Original Assignee
Cerac Inst 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 Cerac Inst Sa filed Critical Cerac Inst Sa
Publication of ZA752568B publication Critical patent/ZA752568B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
    • E21C37/12—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
ZA00752568A 1974-04-25 1975-04-22 Improvements in or relating to methods of and means for breaking hard compact material ZA752568B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH567474A CH590398A5 (ja) 1974-04-25 1974-04-25

Publications (1)

Publication Number Publication Date
ZA752568B true ZA752568B (en) 1976-04-28

Family

ID=4297509

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752568A ZA752568B (en) 1974-04-25 1975-04-22 Improvements in or relating to methods of and means for breaking hard compact material

Country Status (10)

Country Link
US (1) US3988037A (ja)
JP (1) JPS50149501A (ja)
BR (1) BR7502286A (ja)
CA (1) CA1022577A (ja)
CH (1) CH590398A5 (ja)
DE (1) DE2425293B2 (ja)
FR (1) FR2268943B1 (ja)
GB (1) GB1493723A (ja)
IT (1) IT1035398B (ja)
ZA (1) ZA752568B (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422967B (sv) * 1975-09-19 1982-04-05 Atlas Copco Ab Sett och anordning for brytning av ett fast material
SE395745B (sv) * 1975-09-19 1977-08-22 Cerac Inst Sa Sett och anordning for brytning av ett fast material, sasom berg
SE395928B (sv) * 1975-09-19 1977-08-29 Cerac Inst Sa Sett och anordning for brytning av ett fast material, sasom berg
SE395503B (sv) * 1975-09-19 1977-08-15 Atlas Copco Ab Sett och anordning for brytning av ett fast material
SE7613107L (sv) * 1976-11-24 1978-05-25 Atlas Copco Ab Sett och anordning for brytning av fast material.
US4265570A (en) * 1979-06-01 1981-05-05 Conoco, Inc. Mine roof control
JPS57165599A (en) * 1981-04-03 1982-10-12 Japan Dev & Construction Rock crushing apparatus by impact water pressure
US4394051A (en) * 1981-06-03 1983-07-19 The United States Of America As Represented By The Secretary Of The Interior Method of hydrospalling
FR2554384B1 (fr) * 1983-11-07 1987-04-03 Vincent Etienne Procede de decoupage d'une masse de matiere solide compacte
EP0482218A1 (de) * 1987-03-02 1992-04-29 Spetsializirovanny Trest Po Remontu Promyshlennykh Zdany I Soorzheny Pred. Chernoi Met. Tsentral. Raiona Tsentrmetallurgremont Verfahren zur gerichteten Zerstörung monolithischer Objekte
US5098163A (en) * 1990-08-09 1992-03-24 Sunburst Recovery, Inc. Controlled fracture method and apparatus for breaking hard compact rock and concrete materials
US5087100A (en) * 1990-10-17 1992-02-11 Bruce Howard D Method of fracturing rock or similar material and apparatus therefore
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
US6035784A (en) 1995-08-04 2000-03-14 Rocktek Limited Method and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill hole
EP0843774B1 (en) * 1995-08-07 2003-11-05 RockTek Limited Method for controlled fragmentation of hard rock and concrete by the combination use of impact hammers and small charge blasting
US5611605A (en) * 1995-09-15 1997-03-18 Mccarthy; Donald E. Method apparatus and cartridge for non-explosive rock fragmentation
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
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
CN110397438A (zh) * 2019-08-29 2019-11-01 中国科学技术大学 用于岩石破碎的液压辅助劈裂设备和液压劈裂方法
CN112024089A (zh) * 2020-07-22 2020-12-04 成都易合元科技有限公司 水锤破岩系统及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US99595A (en) * 1870-02-08 John kobe
US479500A (en) * 1892-07-26 Blasting stone
JPS5428801B2 (ja) * 1972-12-20 1979-09-19

Also Published As

Publication number Publication date
DE2425293B2 (de) 1977-03-03
BR7502286A (pt) 1976-03-09
FR2268943A1 (ja) 1975-11-21
DE2425293A1 (de) 1975-10-30
GB1493723A (en) 1977-11-30
US3988037A (en) 1976-10-26
AU8019975A (en) 1976-10-21
CA1022577A (en) 1977-12-13
IT1035398B (it) 1979-10-20
JPS50149501A (ja) 1975-11-29
FR2268943B1 (ja) 1979-09-07
CH590398A5 (ja) 1977-08-15

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