LU70811A1 - - Google Patents
Info
- Publication number
- LU70811A1 LU70811A1 LU70811A LU70811A LU70811A1 LU 70811 A1 LU70811 A1 LU 70811A1 LU 70811 A LU70811 A LU 70811A LU 70811 A LU70811 A LU 70811A LU 70811 A1 LU70811 A1 LU 70811A1
- Authority
- LU
- Luxembourg
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (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)
- Forging (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2343715A DE2343715C3 (de) | 1973-08-30 | 1973-08-30 | Drehbohrkopf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU70811A1 true LU70811A1 (de) | 1975-01-02 |
Family
ID=5891108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU70811A LU70811A1 (de) | 1973-08-30 | 1974-08-28 |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1025847A (de) |
| DE (1) | DE2343715C3 (de) |
| FR (1) | FR2242554B1 (de) |
| GB (1) | GB1470064A (de) |
| LU (1) | LU70811A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2088759B1 (es) * | 1992-12-08 | 1998-08-01 | Gkn Automotive Ag | Articulacion giratoria sincronica |
| US6161633A (en) * | 1998-02-03 | 2000-12-19 | Cutting Edge Technology | Apparatus for boring through a solid material |
| US6736226B2 (en) | 1998-02-03 | 2004-05-18 | Cutting Edge Technologies, Llc | Method and apparatus for boring through a solid material |
| US6938961B2 (en) | 2002-03-21 | 2005-09-06 | Cutting Edge Technologies, Llc | Apparatus for breaking up solid objects |
-
1973
- 1973-08-30 DE DE2343715A patent/DE2343715C3/de not_active Expired
-
1974
- 1974-08-28 LU LU70811A patent/LU70811A1/xx unknown
- 1974-08-29 GB GB3782774A patent/GB1470064A/en not_active Expired
- 1974-08-29 CA CA208,142A patent/CA1025847A/en not_active Expired
- 1974-08-29 FR FR7429485A patent/FR2242554B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1470064A (en) | 1977-04-14 |
| DE2343715C3 (de) | 1980-12-04 |
| CA1025847A (en) | 1978-02-07 |
| FR2242554B1 (de) | 1978-04-28 |
| DE2343715B2 (de) | 1980-04-17 |
| FR2242554A1 (de) | 1975-03-28 |
| DE2343715A1 (de) | 1975-03-13 |