ZA752372B - A striking apparatus operated by pressure liquid - Google Patents
A striking apparatus operated by pressure liquidInfo
- Publication number
- ZA752372B ZA752372B ZA00752372A ZA752372A ZA752372B ZA 752372 B ZA752372 B ZA 752372B ZA 00752372 A ZA00752372 A ZA 00752372A ZA 752372 A ZA752372 A ZA 752372A ZA 752372 B ZA752372 B ZA 752372B
- Authority
- ZA
- South Africa
- Prior art keywords
- pressure liquid
- apparatus operated
- striking apparatus
- striking
- operated
- 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
- B25D9/06—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L21/00—Use of working pistons or pistons-rods as fluid-distributing valves or as valve-supporting elements, e.g. in free-piston machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
- F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Percussive Tools And Related Accessories (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI741267A FI50940C (en) | 1974-04-25 | 1974-04-25 | Percussion device driven by a pressure fluid |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA752372B true ZA752372B (en) | 1976-03-31 |
Family
ID=8505353
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00752372A ZA752372B (en) | 1974-04-25 | 1975-04-15 | A striking apparatus operated by pressure liquid |
ZA00752371A ZA752371B (en) | 1974-04-25 | 1975-04-15 | A striking apparatus operated by pressure liquid |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00752371A ZA752371B (en) | 1974-04-25 | 1975-04-15 | A striking apparatus operated by pressure liquid |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS554554B2 (en) |
AT (2) | AT340346B (en) |
CH (1) | CH626823A5 (en) |
CS (1) | CS181292B2 (en) |
DE (1) | DE2516546C2 (en) |
FI (1) | FI50940C (en) |
FR (1) | FR2268602B1 (en) |
GB (1) | GB1478435A (en) |
IT (1) | IT1037190B (en) |
NO (1) | NO137349C (en) |
PL (2) | PL94933B1 (en) |
RO (1) | RO74260A (en) |
SE (1) | SE423686B (en) |
SU (1) | SU776569A3 (en) |
ZA (2) | ZA752372B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI56430C (en) * | 1975-10-20 | 1982-08-09 | Tampella Oy Ab | SLAGANORDNING DRIVEN AV EN TRYCKVAETSKA |
US4062411A (en) * | 1975-12-05 | 1977-12-13 | Gardner-Denver Company | Hydraulic percussion tool with impact blow and frequency control |
US4298074A (en) * | 1976-08-09 | 1981-11-03 | American Safety Equipment Corporation | Surgical device using impulse motor |
DE2654875A1 (en) * | 1976-12-03 | 1978-06-08 | Hausherr & Soehne Maschf | DEVICE FOR AUTOMATICALLY STOPPING A PRESSURIZED IMPACT DEVICE |
GB1556754A (en) * | 1976-12-10 | 1979-11-28 | Af Hydraulics | Hydraulically-actuated percussive device with overstroke damping |
SU745670A1 (en) * | 1977-01-04 | 1980-07-07 | Институт Горного Дела Со Ан Ссср | Air-distributing device of impact-action pneumatic machines |
ES469097A1 (en) * | 1978-03-31 | 1980-06-16 | Crespo Jose T G | Hydraulic apparatus for producing impacts |
DE3015696A1 (en) * | 1980-04-24 | 1981-10-29 | Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter | HYRAULIC DRIVING DEVICE FOR A DRIVING TOOL |
ATE133233T1 (en) * | 1990-07-12 | 1996-02-15 | G Drill Ab | ROCK DRILLING UNIT WITH HYDRAULIC DRIVE IN THE BOREHOLE |
SE528033C2 (en) | 2004-03-12 | 2006-08-15 | Atlas Copco Constr Tools Ab | Hydraulic hammer |
FI124781B (en) | 2009-03-26 | 2015-01-30 | Sandvik Mining & Constr Oy | Type of device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2906244A (en) * | 1958-02-24 | 1959-09-29 | Sheldon L Christensen | Hydraulic pavement breaker |
DE1281370B (en) * | 1963-09-06 | 1968-10-24 | Krupp Gmbh | Impact device with hydraulically reciprocating pistons |
GB1125755A (en) * | 1965-04-23 | 1968-08-28 | Vickers Ltd | Improvements in or relating to hydraulically operated tools |
DE1703753A1 (en) * | 1968-07-05 | 1972-02-24 | Ingbuero Dipl Ing Friedrich He | Hydraulically operated impact device |
US3796050A (en) * | 1972-05-18 | 1974-03-12 | Foster Miller Ass | High energy rate actuator |
-
1973
- 1973-04-09 RO RO7381944A patent/RO74260A/en unknown
-
1974
- 1974-04-25 FI FI741267A patent/FI50940C/en active
-
1975
- 1975-04-07 CS CS7500002378A patent/CS181292B2/en unknown
- 1975-04-10 IT IT22205/75A patent/IT1037190B/en active
- 1975-04-10 GB GB1487875A patent/GB1478435A/en not_active Expired
- 1975-04-15 AT AT285875A patent/AT340346B/en not_active IP Right Cessation
- 1975-04-15 ZA ZA00752372A patent/ZA752372B/en unknown
- 1975-04-15 ZA ZA00752371A patent/ZA752371B/en unknown
- 1975-04-15 AT AT285975A patent/AT340347B/en not_active IP Right Cessation
- 1975-04-16 DE DE2516546A patent/DE2516546C2/en not_active Expired
- 1975-04-21 SE SE7504591A patent/SE423686B/en not_active IP Right Cessation
- 1975-04-23 CH CH517975A patent/CH626823A5/en not_active IP Right Cessation
- 1975-04-23 PL PL1975179882A patent/PL94933B1/pl unknown
- 1975-04-24 NO NO751476A patent/NO137349C/en unknown
- 1975-04-24 JP JP5018775A patent/JPS554554B2/ja not_active Expired
- 1975-04-24 PL PL1975179896A patent/PL113145B1/en unknown
- 1975-04-24 SU SU752127440A patent/SU776569A3/en active
- 1975-04-25 FR FR7513061A patent/FR2268602B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2268602B1 (en) | 1982-02-19 |
DE2516546C2 (en) | 1982-07-29 |
FI50940C (en) | 1976-09-10 |
FI50940B (en) | 1976-05-31 |
GB1478435A (en) | 1977-06-29 |
ZA752371B (en) | 1976-03-31 |
JPS554554B2 (en) | 1980-01-30 |
JPS50144967A (en) | 1975-11-21 |
FI126774A (en) | 1975-10-26 |
AT340346B (en) | 1977-12-12 |
PL94933B1 (en) | 1977-09-30 |
RO74260A (en) | 1980-10-30 |
IT1037190B (en) | 1979-11-10 |
ATA285975A (en) | 1977-04-15 |
AU7993475A (en) | 1976-10-14 |
PL113145B1 (en) | 1980-11-29 |
FR2268602A1 (en) | 1975-11-21 |
CS181292B2 (en) | 1978-03-31 |
NO137349C (en) | 1978-02-22 |
SE7504591L (en) | 1975-10-27 |
SU776569A3 (en) | 1980-10-30 |
ATA285875A (en) | 1977-04-15 |
AT340347B (en) | 1977-12-12 |
DE2516546A1 (en) | 1975-11-20 |
CH626823A5 (en) | 1981-12-15 |
NO137349B (en) | 1977-11-07 |
SE423686B (en) | 1982-05-24 |
NO751476L (en) | 1975-10-28 |
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