ATE831T1 - Antriebsfutter fuer ein bohrgestaenge. - Google Patents
Antriebsfutter fuer ein bohrgestaenge.Info
- Publication number
- ATE831T1 ATE831T1 AT79200446T AT79200446T ATE831T1 AT E831 T1 ATE831 T1 AT E831T1 AT 79200446 T AT79200446 T AT 79200446T AT 79200446 T AT79200446 T AT 79200446T AT E831 T1 ATE831 T1 AT E831T1
- Authority
- AT
- Austria
- Prior art keywords
- wedges
- jaws
- drill rod
- drive chuck
- stem
- Prior art date
Links
- 238000005553 drilling Methods 0.000 abstract 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16158—Jaws movement actuated by coaxial conical surfaces
- B23B31/16179—Jaws movement actuated by coaxial conical surfaces using fluid-pressure means to actuate the gripping means
-
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/12—Chucks or sockets with fluid-pressure actuator
- Y10T279/1274—Radially reciprocating jaws
- Y10T279/1291—Fluid pressure moves jaws via mechanical connection
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
- Gripping On Spindles (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE190067A BE869971A (fr) | 1978-08-25 | 1978-08-25 | Mandrin d'entrainement d'une tige de forage |
EP79200446A EP0008477B1 (fr) | 1978-08-25 | 1979-08-13 | Mandrin d'entraînement d'une tige de forage |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE831T1 true ATE831T1 (de) | 1982-04-15 |
Family
ID=3843141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT79200446T ATE831T1 (de) | 1978-08-25 | 1979-08-13 | Antriebsfutter fuer ein bohrgestaenge. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4273200A (fr) |
EP (1) | EP0008477B1 (fr) |
AT (1) | ATE831T1 (fr) |
CA (1) | CA1120913A (fr) |
DE (1) | DE2962450D1 (fr) |
NO (1) | NO153981C (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4844489A (en) * | 1987-10-23 | 1989-07-04 | Acker Drill Co. | Chuck apparatus and method |
FI885483A (fi) * | 1987-11-26 | 1989-05-27 | Robbins Co | Kraftoeverfoeringshuvud foer en bergborrmaskin. |
US6719303B2 (en) * | 2001-10-26 | 2004-04-13 | Boart Longyear International Holdings, Inc. | Drill string chuck |
CN110847806B (zh) * | 2019-11-15 | 2021-02-09 | 徐州健川机械制造有限公司 | 一种旋挖钻机动力头缓冲装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2090854A (en) * | 1935-03-22 | 1937-08-24 | Nat Supply Co | Hydraulic snubbing jack |
US2570308A (en) * | 1943-02-01 | 1951-10-09 | Continental Oil Co | Automatic chuck for pulldown devices |
GB865879A (en) * | 1958-11-26 | 1961-04-19 | Alf Gunnar Kvello Aune | Improvements in machines for rotary drilling |
US3212591A (en) * | 1962-10-19 | 1965-10-19 | Chicago Pneumatic Tool Co | Diamond drilling apparatus |
US3272266A (en) * | 1964-05-06 | 1966-09-13 | Thomas A Kennard | Application for rotatable power elevator |
US3301334A (en) * | 1964-06-25 | 1967-01-31 | Odgers Drilling Inc | Drill rig |
AU410508B1 (en) * | 1966-03-09 | 1971-02-10 | Odgers Drilling Inc | Drill rig |
SE324546B (fr) * | 1968-10-04 | 1970-06-08 | Atlas Copco Ab | |
US3579752A (en) * | 1970-04-09 | 1971-05-25 | Cicero C Brown | Automatic rotary slips |
US3692320A (en) * | 1970-10-19 | 1972-09-19 | Longyear Co E J | Chuck apparatus |
US3722603A (en) * | 1971-09-16 | 1973-03-27 | Brown Oil Tools | Well drilling apparatus |
CA1016533A (en) * | 1974-05-24 | 1977-08-30 | Canadian Mine Services Ltd. | Drill head with locking chuck |
US4196914A (en) * | 1978-01-13 | 1980-04-08 | Dresser Industries, Inc. | Chuck for an earth boring machine |
-
1979
- 1979-08-13 DE DE7979200446T patent/DE2962450D1/de not_active Expired
- 1979-08-13 EP EP79200446A patent/EP0008477B1/fr not_active Expired
- 1979-08-13 AT AT79200446T patent/ATE831T1/de not_active IP Right Cessation
- 1979-08-24 NO NO792761A patent/NO153981C/no unknown
- 1979-08-24 CA CA000334418A patent/CA1120913A/fr not_active Expired
- 1979-08-24 US US06/069,410 patent/US4273200A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0008477A2 (fr) | 1980-03-05 |
CA1120913A (fr) | 1982-03-30 |
EP0008477A3 (en) | 1980-03-19 |
NO153981B (no) | 1986-03-17 |
US4273200A (en) | 1981-06-16 |
NO153981C (no) | 1986-06-25 |
NO792761L (no) | 1980-02-26 |
EP0008477B1 (fr) | 1982-04-07 |
DE2962450D1 (en) | 1982-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |