CA2202521A1 - Agencement de soupape pour marteaux-foreurs hydrauliques pour roches - Google Patents
Agencement de soupape pour marteaux-foreurs hydrauliques pour rochesInfo
- Publication number
- CA2202521A1 CA2202521A1 CA002202521A CA2202521A CA2202521A1 CA 2202521 A1 CA2202521 A1 CA 2202521A1 CA 002202521 A CA002202521 A CA 002202521A CA 2202521 A CA2202521 A CA 2202521A CA 2202521 A1 CA2202521 A1 CA 2202521A1
- Authority
- CA
- Canada
- Prior art keywords
- valve arrangement
- rock drill
- valve
- hydraulic
- percussive rock
- 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.)
- Granted
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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA94/8118 | 1994-10-17 | ||
ZA948118A ZA948118B (en) | 1994-10-17 | 1994-10-17 | Valve arrangement in a hydraulic percussive rock drill |
PCT/GB1995/002453 WO1996011775A1 (fr) | 1994-10-17 | 1995-10-17 | Agencement de soupape pour marteaux-foreurs hydrauliques pour roches |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2202521A1 true CA2202521A1 (fr) | 1996-04-25 |
CA2202521C CA2202521C (fr) | 2001-04-24 |
Family
ID=25584482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002202521A Expired - Fee Related CA2202521C (fr) | 1994-10-17 | 1995-10-17 | Agencement de soupape pour marteaux-foreurs hydrauliques pour roches |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0785845B1 (fr) |
JP (1) | JPH10509382A (fr) |
AT (1) | ATE181691T1 (fr) |
AU (1) | AU686021B2 (fr) |
CA (1) | CA2202521C (fr) |
DE (1) | DE69510557D1 (fr) |
WO (1) | WO1996011775A1 (fr) |
ZA (1) | ZA948118B (fr) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1125755A (en) * | 1965-04-23 | 1968-08-28 | Vickers Ltd | Improvements in or relating to hydraulically operated tools |
DE1703753A1 (de) * | 1968-07-05 | 1972-02-24 | Ingbuero Dipl Ing Friedrich He | Hydraulisch betriebene Schlagvorrichtung |
JPS5819433B2 (ja) * | 1977-03-17 | 1983-04-18 | 日本ニユ−マチツク工業株式会社 | 衝撃動工具 |
AU676301B2 (en) * | 1993-04-21 | 1997-03-06 | Roger Robarts Briggs | Rock percussion mechanism |
-
1994
- 1994-10-17 ZA ZA948118A patent/ZA948118B/xx unknown
-
1995
- 1995-10-17 EP EP95934224A patent/EP0785845B1/fr not_active Expired - Lifetime
- 1995-10-17 WO PCT/GB1995/002453 patent/WO1996011775A1/fr active IP Right Grant
- 1995-10-17 AU AU36595/95A patent/AU686021B2/en not_active Ceased
- 1995-10-17 JP JP8513048A patent/JPH10509382A/ja active Pending
- 1995-10-17 DE DE69510557T patent/DE69510557D1/de not_active Expired - Lifetime
- 1995-10-17 CA CA002202521A patent/CA2202521C/fr not_active Expired - Fee Related
- 1995-10-17 AT AT95934224T patent/ATE181691T1/de active
Also Published As
Publication number | Publication date |
---|---|
ATE181691T1 (de) | 1999-07-15 |
DE69510557D1 (de) | 1999-08-05 |
EP0785845B1 (fr) | 1999-06-30 |
JPH10509382A (ja) | 1998-09-14 |
CA2202521C (fr) | 2001-04-24 |
AU3659595A (en) | 1996-05-06 |
WO1996011775A1 (fr) | 1996-04-25 |
AU686021B2 (en) | 1998-01-29 |
ZA948118B (en) | 1996-03-25 |
EP0785845A1 (fr) | 1997-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |