FR1232760A - Improvements in processes and devices for blasting minerals, more especially for coal mining - Google Patents

Improvements in processes and devices for blasting minerals, more especially for coal mining

Info

Publication number
FR1232760A
FR1232760A FR802896A FR802896A FR1232760A FR 1232760 A FR1232760 A FR 1232760A FR 802896 A FR802896 A FR 802896A FR 802896 A FR802896 A FR 802896A FR 1232760 A FR1232760 A FR 1232760A
Authority
FR
France
Prior art keywords
blasting
minerals
processes
devices
coal mining
Prior art date
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
FR802896A
Other languages
French (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.)
KLERNER MASCHF GLUECKAUF
Original Assignee
KLERNER MASCHF GLUECKAUF
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 KLERNER MASCHF GLUECKAUF filed Critical KLERNER MASCHF GLUECKAUF
Application granted granted Critical
Publication of FR1232760A publication Critical patent/FR1232760A/en
Expired legal-status Critical Current

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)
FR802896A 1958-08-16 1959-08-14 Improvements in processes and devices for blasting minerals, more especially for coal mining Expired FR1232760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1232760X 1958-08-16

Publications (1)

Publication Number Publication Date
FR1232760A true FR1232760A (en) 1960-10-12

Family

ID=7735213

Family Applications (1)

Application Number Title Priority Date Filing Date
FR802896A Expired FR1232760A (en) 1958-08-16 1959-08-14 Improvements in processes and devices for blasting minerals, more especially for coal mining

Country Status (1)

Country Link
FR (1) FR1232760A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324861A1 (en) * 1975-09-19 1977-04-15 Atlas Copco Ab METHOD AND APPARATUS FOR BREAKING A HARD COMPACT MATERIAL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2324861A1 (en) * 1975-09-19 1977-04-15 Atlas Copco Ab METHOD AND APPARATUS FOR BREAKING A HARD COMPACT MATERIAL

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