ZA711560B - Improvements in rock breaking equipment - Google Patents
Improvements in rock breaking equipmentInfo
- Publication number
- ZA711560B ZA711560B ZA711560A ZA711560A ZA711560B ZA 711560 B ZA711560 B ZA 711560B ZA 711560 A ZA711560 A ZA 711560A ZA 711560 A ZA711560 A ZA 711560A ZA 711560 B ZA711560 B ZA 711560B
- Authority
- ZA
- South Africa
- Prior art keywords
- rock breaking
- breaking equipment
- equipment
- rock
- breaking
- Prior art date
Links
- 239000011435 rock Substances 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/106—Making by using boring or cutting machines with percussive tools, e.g. pick-hammers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
- E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
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)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Crushing And Pulverization Processes (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA711560A ZA711560B (en) | 1971-03-10 | 1971-03-10 | Improvements in rock breaking equipment |
GB937072A GB1346394A (en) | 1971-03-10 | 1972-02-29 | Rock breaking equipment |
DE2210936A DE2210936C3 (de) | 1971-03-10 | 1972-03-07 | Schneidwalze bzw. -trommel für eine Vortriebs-oder Gewinnungsmaschine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA711560A ZA711560B (en) | 1971-03-10 | 1971-03-10 | Improvements in rock breaking equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA711560B true ZA711560B (en) | 1972-04-26 |
Family
ID=25563146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA711560A ZA711560B (en) | 1971-03-10 | 1971-03-10 | Improvements in rock breaking equipment |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2210936C3 (xx) |
GB (1) | GB1346394A (xx) |
ZA (1) | ZA711560B (xx) |
-
1971
- 1971-03-10 ZA ZA711560A patent/ZA711560B/xx unknown
-
1972
- 1972-02-29 GB GB937072A patent/GB1346394A/en not_active Expired
- 1972-03-07 DE DE2210936A patent/DE2210936C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2210936B2 (de) | 1974-07-25 |
DE2210936C3 (de) | 1975-03-13 |
DE2210936A1 (de) | 1972-09-14 |
GB1346394A (en) | 1974-02-06 |
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