EP0385959A3 - Schlagbohrer - Google Patents
Schlagbohrer Download PDFInfo
- Publication number
- EP0385959A3 EP0385959A3 EP19900850080 EP90850080A EP0385959A3 EP 0385959 A3 EP0385959 A3 EP 0385959A3 EP 19900850080 EP19900850080 EP 19900850080 EP 90850080 A EP90850080 A EP 90850080A EP 0385959 A3 EP0385959 A3 EP 0385959A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- arbor
- secured
- casing
- control arbor
- percussion drill
- 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.)
- Withdrawn
Links
- 238000009527 percussion Methods 0.000 title abstract 3
- 238000005553 drilling Methods 0.000 abstract 1
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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31786689A | 1989-03-02 | 1989-03-02 | |
US317866 | 1989-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0385959A2 EP0385959A2 (de) | 1990-09-05 |
EP0385959A3 true EP0385959A3 (de) | 1991-07-03 |
Family
ID=23235595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900850080 Withdrawn EP0385959A3 (de) | 1989-03-02 | 1990-02-27 | Schlagbohrer |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0385959A3 (de) |
JP (1) | JPH0343590A (de) |
AU (1) | AU4992890A (de) |
BR (1) | BR9000985A (de) |
CA (1) | CA2011265A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107489375B (zh) * | 2017-09-21 | 2023-05-26 | 长江大学 | 一种旋转冲击器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424065A (en) * | 1967-01-30 | 1969-01-28 | Ingersoll Rand Co | Bearing |
US4194581A (en) * | 1975-03-22 | 1980-03-25 | Walter Hans P | Deep drill hammer |
US4705119A (en) * | 1985-09-16 | 1987-11-10 | Institut Gornogo Dela So An Sssr | Annular air-hammer apparatus for drilling holes |
-
1990
- 1990-02-20 AU AU49928/90A patent/AU4992890A/en not_active Abandoned
- 1990-02-27 EP EP19900850080 patent/EP0385959A3/de not_active Withdrawn
- 1990-03-01 CA CA 2011265 patent/CA2011265A1/en not_active Abandoned
- 1990-03-02 JP JP4968090A patent/JPH0343590A/ja active Pending
- 1990-03-02 BR BR9000985A patent/BR9000985A/pt unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3424065A (en) * | 1967-01-30 | 1969-01-28 | Ingersoll Rand Co | Bearing |
US4194581A (en) * | 1975-03-22 | 1980-03-25 | Walter Hans P | Deep drill hammer |
US4705119A (en) * | 1985-09-16 | 1987-11-10 | Institut Gornogo Dela So An Sssr | Annular air-hammer apparatus for drilling holes |
Also Published As
Publication number | Publication date |
---|---|
AU4992890A (en) | 1990-09-06 |
JPH0343590A (ja) | 1991-02-25 |
BR9000985A (pt) | 1991-02-19 |
CA2011265A1 (en) | 1990-09-02 |
EP0385959A2 (de) | 1990-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FR GB SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FR GB SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19920106 |