FR2425293B1 - - Google Patents
Info
- Publication number
- FR2425293B1 FR2425293B1 FR7813910A FR7813910A FR2425293B1 FR 2425293 B1 FR2425293 B1 FR 2425293B1 FR 7813910 A FR7813910 A FR 7813910A FR 7813910 A FR7813910 A FR 7813910A FR 2425293 B1 FR2425293 B1 FR 2425293B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/26—Fluid-pressure drives
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7813910A FR2425293A1 (fr) | 1978-05-10 | 1978-05-10 | Dispositif hydraulique pour commander un verin de poussee |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7813910A FR2425293A1 (fr) | 1978-05-10 | 1978-05-10 | Dispositif hydraulique pour commander un verin de poussee |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2425293A1 FR2425293A1 (fr) | 1979-12-07 |
| FR2425293B1 true FR2425293B1 (fr) | 1980-10-24 |
Family
ID=9208109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7813910A Granted FR2425293A1 (fr) | 1978-05-10 | 1978-05-10 | Dispositif hydraulique pour commander un verin de poussee |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2425293A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527534A (zh) * | 2013-10-24 | 2014-01-22 | 连云港天明装备有限公司 | 全液压钻机新型给进液压系统 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2128788C1 (ru) * | 1997-05-13 | 1999-04-10 | Акционерное общество "АвтоВАЗ" | Гидропривод прерывистой подачи |
| US6709315B1 (en) | 2002-01-24 | 2004-03-23 | John D. Ward | Auto feed system for compressed propellant tools and pressure compensating valve therefore |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459902A (en) * | 1947-02-20 | 1949-01-25 | Hpm Dev Corp | Hydraulic operating circuit for machine tools |
| GB1043531A (en) * | 1961-07-01 | 1966-09-21 | Hobhouse Henry | Variable speed drilling apparatus |
| DE1502986A1 (de) * | 1964-03-11 | 1969-08-14 | Karl Stock | Hydraulischer Antrieb zum Betrieb von Werkzeugmaschinen,insbesondere zum Betrieb einer Metallkreissaege |
| DE1916203A1 (de) * | 1969-03-29 | 1970-10-08 | Bruno Michalke | Vorschubsteuerung |
| GB1468186A (en) * | 1973-04-12 | 1977-03-23 | Australian Iron Steel Pty Ltd | Multi-functional fluid control valve assembly |
| SE388752B (sv) * | 1975-03-06 | 1976-10-18 | Volvo Bm | Anordning for kapning av tredstammar |
-
1978
- 1978-05-10 FR FR7813910A patent/FR2425293A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527534A (zh) * | 2013-10-24 | 2014-01-22 | 连云港天明装备有限公司 | 全液压钻机新型给进液压系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2425293A1 (fr) | 1979-12-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |