ZA773618B - Percussive tools,particularly for mining - Google Patents
Percussive tools,particularly for miningInfo
- Publication number
- ZA773618B ZA773618B ZA00773618A ZA773618A ZA773618B ZA 773618 B ZA773618 B ZA 773618B ZA 00773618 A ZA00773618 A ZA 00773618A ZA 773618 A ZA773618 A ZA 773618A ZA 773618 B ZA773618 B ZA 773618B
- Authority
- ZA
- South Africa
- Prior art keywords
- mining
- percussive tools
- percussive
- tools
- Prior art date
Links
- 238000005065 mining Methods 0.000 title 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/28—Mineral freed by means not involving slitting by percussive drills with breaking-down means, e.g. wedge-shaped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB25544/76A GB1585117A (en) | 1976-06-19 | 1976-06-19 | Percussive tools particularly casing constructions thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA773618B true ZA773618B (en) | 1979-04-25 |
Family
ID=10229410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00773618A ZA773618B (en) | 1976-06-19 | 1977-06-16 | Percussive tools,particularly for mining |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS52156102A (en) |
AU (1) | AU2615277A (en) |
DE (1) | DE2727334A1 (en) |
FR (1) | FR2354854A1 (en) |
GB (1) | GB1585117A (en) |
ZA (1) | ZA773618B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI66460C (en) * | 1982-10-08 | 1984-10-10 | Tampella Oy Ab | TRYCKMEDIEDRIVEN SLAGAPPARAT |
TWM268150U (en) * | 2004-08-17 | 2005-06-21 | Guo-Rung Liu | Impact cylinder for reciprocal type pneumatic tool |
-
1976
- 1976-06-19 GB GB25544/76A patent/GB1585117A/en not_active Expired
-
1977
- 1977-06-16 AU AU26152/77A patent/AU2615277A/en not_active Expired
- 1977-06-16 DE DE19772727334 patent/DE2727334A1/en not_active Withdrawn
- 1977-06-16 ZA ZA00773618A patent/ZA773618B/en unknown
- 1977-06-17 JP JP7120677A patent/JPS52156102A/en active Pending
- 1977-06-17 FR FR7718633A patent/FR2354854A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2354854A1 (en) | 1978-01-13 |
FR2354854B3 (en) | 1980-04-04 |
JPS52156102A (en) | 1977-12-26 |
DE2727334A1 (en) | 1977-12-22 |
AU2615277A (en) | 1978-12-21 |
GB1585117A (en) | 1981-02-25 |
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