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 miningInfo
- 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
Links
- 238000005422 blasting Methods 0.000 title 1
- 239000003245 coal Substances 0.000 title 1
- 229910052500 inorganic mineral Inorganic materials 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000011707 mineral Substances 0.000 title 1
- 238000005065 mining Methods 0.000 title 1
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)
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)
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 |
-
1959
- 1959-08-14 FR FR802896A patent/FR1232760A/en not_active Expired
Cited By (1)
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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