FR448065A - Devices for indirect rock blasting, to prevent firedamp explosions - Google Patents

Devices for indirect rock blasting, to prevent firedamp explosions

Info

Publication number
FR448065A
FR448065A FR448065DA FR448065A FR 448065 A FR448065 A FR 448065A FR 448065D A FR448065D A FR 448065DA FR 448065 A FR448065 A FR 448065A
Authority
FR
France
Prior art keywords
indirect
devices
prevent
rock blasting
firedamp
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
Other languages
French (fr)
Inventor
Johann Lamour
Adolf Pistorius
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.)
ADOLF PISTORIUS
Original Assignee
ADOLF PISTORIUS
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 ADOLF PISTORIUS filed Critical ADOLF PISTORIUS
Application granted granted Critical
Publication of FR448065A publication Critical patent/FR448065A/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)
FR448065D 1911-09-08 1912-09-07 Devices for indirect rock blasting, to prevent firedamp explosions Expired FR448065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE448065X 1911-09-08

Publications (1)

Publication Number Publication Date
FR448065A true FR448065A (en) 1913-01-22

Family

ID=1488709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR448065D Expired FR448065A (en) 1911-09-08 1912-09-07 Devices for indirect rock blasting, to prevent firedamp explosions

Country Status (1)

Country Link
FR (1) FR448065A (en)

Cited By (2)

* 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
FR2517737A1 (en) * 1981-12-03 1983-06-10 Inst Gidroproekt Im Zhuka DEVICE FOR DISAGGRATING MONOLITHIC OBJECTS BY PRESSURE PULSES OF A LIQUID

Cited By (2)

* 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
FR2517737A1 (en) * 1981-12-03 1983-06-10 Inst Gidroproekt Im Zhuka DEVICE FOR DISAGGRATING MONOLITHIC OBJECTS BY PRESSURE PULSES OF A LIQUID

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