ZA77260B - Impact type tools - Google Patents
Impact type toolsInfo
- Publication number
- ZA77260B ZA77260B ZA770260A ZA77260A ZA77260B ZA 77260 B ZA77260 B ZA 77260B ZA 770260 A ZA770260 A ZA 770260A ZA 77260 A ZA77260 A ZA 77260A ZA 77260 B ZA77260 B ZA 77260B
- Authority
- ZA
- South Africa
- Prior art keywords
- impact type
- type tools
- tools
- impact
- type
- Prior art date
Links
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3446/76A GB1581441A (en) | 1976-01-29 | 1976-01-29 | Fluid powered impact tools |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA77260B true ZA77260B (en) | 1977-12-28 |
Family
ID=9758494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA770260A ZA77260B (en) | 1976-01-29 | 1977-01-18 | Impact type tools |
Country Status (6)
Country | Link |
---|---|
US (1) | US4256145A (xx) |
JP (1) | JPS52113302A (xx) |
DE (1) | DE2703219A1 (xx) |
FR (1) | FR2339735A1 (xx) |
GB (1) | GB1581441A (xx) |
ZA (1) | ZA77260B (xx) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2115886B (en) * | 1982-03-02 | 1985-08-29 | Dobson Park Ind Public Limited | Impact tools |
US4552327A (en) * | 1983-09-19 | 1985-11-12 | Western Gear Corporation | Hydraulic ejector |
US5205326A (en) * | 1991-08-23 | 1993-04-27 | Hydraulic Power Systems, Inc. | Pressure response type pulsation damper noise attenuator and accumulator |
JPH1191532A (ja) * | 1997-09-26 | 1999-04-06 | Aisin Seiki Co Ltd | 車両用ブレーキ装置 |
DE10057746A1 (de) * | 2000-11-16 | 2002-06-06 | Hydac Technology Gmbh | Hydrospeicher |
US7680758B2 (en) * | 2004-09-30 | 2010-03-16 | Citrix Systems, Inc. | Method and apparatus for isolating execution of software applications |
DE102007010801A1 (de) | 2007-03-02 | 2008-09-04 | Bayer Cropscience Ag | Diaminopyrimidine als Fungizide |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2876799A (en) * | 1954-07-31 | 1959-03-10 | Mercier Jean | Sealing means for a slidable member in a pressure unit |
US3015345A (en) * | 1958-06-02 | 1962-01-02 | Martin Marietta Corp | Combination reservoir-accumulator arrangement for hydraulic system |
US2943642A (en) * | 1958-07-07 | 1960-07-05 | Cleveland Pneumatic Ind Inc | Liquid spring accumulator |
FR1330550A (fr) * | 1962-07-12 | 1963-06-21 | Caterpillar Tractor Co | Circuit hydraulique pour chargeuse montée sur tracteur |
US3198213A (en) * | 1962-12-21 | 1965-08-03 | Gen Precision Inc | Unit area ratio accumulator with fail-safe means |
US3454050A (en) * | 1967-01-31 | 1969-07-08 | Pressure Products Ind Inc | Accumulators |
GB1356022A (en) * | 1971-02-10 | 1974-06-12 | Dobson Park Ind | Impact tools or apparatus |
US3774502A (en) * | 1971-05-14 | 1973-11-27 | Krupp Gmbh | Hydraulic percussion device with pressure-responsive control of impact frequency |
CH584591A5 (xx) * | 1974-05-20 | 1977-02-15 | Bosch Gmbh Robert |
-
1976
- 1976-01-29 GB GB3446/76A patent/GB1581441A/en not_active Expired
-
1977
- 1977-01-18 ZA ZA770260A patent/ZA77260B/xx unknown
- 1977-01-27 DE DE19772703219 patent/DE2703219A1/de not_active Withdrawn
- 1977-01-28 JP JP794577A patent/JPS52113302A/ja active Pending
- 1977-01-28 FR FR7702444A patent/FR2339735A1/fr not_active Withdrawn
-
1978
- 1978-08-18 US US05/935,047 patent/US4256145A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4256145A (en) | 1981-03-17 |
DE2703219A1 (de) | 1977-08-04 |
JPS52113302A (en) | 1977-09-22 |
FR2339735A1 (fr) | 1977-08-26 |
GB1581441A (en) | 1980-12-17 |
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