JPS5335881B2 - - Google Patents
Info
- Publication number
- JPS5335881B2 JPS5335881B2 JP8875472A JP8875472A JPS5335881B2 JP S5335881 B2 JPS5335881 B2 JP S5335881B2 JP 8875472 A JP8875472 A JP 8875472A JP 8875472 A JP8875472 A JP 8875472A JP S5335881 B2 JPS5335881 B2 JP S5335881B2
- Authority
- JP
- Japan
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE11297/71A SE361704B (ja) | 1971-09-07 | 1971-09-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4839301A JPS4839301A (ja) | 1973-06-09 |
| JPS5335881B2 true JPS5335881B2 (ja) | 1978-09-29 |
Family
ID=20293707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8875472A Expired JPS5335881B2 (ja) | 1971-09-07 | 1972-09-06 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5335881B2 (ja) |
| AT (1) | AT321228B (ja) |
| CH (1) | CH541713A (ja) |
| DE (1) | DE2242920C3 (ja) |
| FI (1) | FI55893C (ja) |
| FR (1) | FR2152709B1 (ja) |
| GB (1) | GB1346540A (ja) |
| IT (1) | IT965181B (ja) |
| NO (1) | NO133332C (ja) |
| PL (1) | PL76065B1 (ja) |
| SE (1) | SE361704B (ja) |
| ZA (1) | ZA725902B (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2960619D1 (en) * | 1978-05-19 | 1981-11-12 | Roehm Guenter H | Chuck for turning machines |
| DE3005459A1 (de) * | 1980-02-14 | 1981-08-20 | Paul Forkardt KG, 4000 Düsseldorf | Spannfutter fuer drehmaschinen |
| JPS5871162A (ja) * | 1981-10-24 | 1983-04-27 | Komori Printing Mach Co Ltd | 反転機構付枚葉輪転印刷機の位相調整装置 |
| FI943695A (fi) * | 1994-08-10 | 1996-02-11 | Valto Ilomaeki | Menetelmä poralaitteen säätämiseksi |
| US9890504B2 (en) | 2012-12-12 | 2018-02-13 | Vermeer Manufacturing Company | Systems and methods for sensing wear of reducing elements of a material reducing machine |
-
1971
- 1971-09-07 SE SE11297/71A patent/SE361704B/xx unknown
-
1972
- 1972-08-28 ZA ZA725902A patent/ZA725902B/xx unknown
- 1972-08-29 GB GB3998072A patent/GB1346540A/en not_active Expired
- 1972-08-31 DE DE2242920A patent/DE2242920C3/de not_active Expired
- 1972-09-01 IT IT52503/72A patent/IT965181B/it active
- 1972-09-05 FI FI2448/72A patent/FI55893C/fi active
- 1972-09-05 NO NO3154/72A patent/NO133332C/no unknown
- 1972-09-06 AT AT765472A patent/AT321228B/de not_active IP Right Cessation
- 1972-09-06 PL PL1972157618A patent/PL76065B1/pl unknown
- 1972-09-06 JP JP8875472A patent/JPS5335881B2/ja not_active Expired
- 1972-09-07 FR FR7231685A patent/FR2152709B1/fr not_active Expired
- 1972-09-07 CH CH1314872A patent/CH541713A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| PL76065B1 (en) | 1975-02-28 |
| FR2152709A1 (ja) | 1973-04-27 |
| NO133332B (ja) | 1976-01-05 |
| FI55893C (fi) | 1979-10-10 |
| DE2242920A1 (de) | 1973-04-05 |
| AT321228B (de) | 1975-03-25 |
| JPS4839301A (ja) | 1973-06-09 |
| ZA725902B (en) | 1973-06-27 |
| IT965181B (it) | 1974-01-31 |
| GB1346540A (en) | 1974-02-13 |
| FI55893B (fi) | 1979-06-29 |
| FR2152709B1 (ja) | 1977-01-14 |
| DE2242920B2 (de) | 1973-06-14 |
| NO133332C (ja) | 1976-04-12 |
| DE2242920C3 (de) | 1974-01-10 |
| CH541713A (de) | 1973-09-15 |
| SE361704B (ja) | 1973-11-12 |