SE8500549D0 - Bergborr - Google Patents
BergborrInfo
- Publication number
- SE8500549D0 SE8500549D0 SE8500549A SE8500549A SE8500549D0 SE 8500549 D0 SE8500549 D0 SE 8500549D0 SE 8500549 A SE8500549 A SE 8500549A SE 8500549 A SE8500549 A SE 8500549A SE 8500549 D0 SE8500549 D0 SE 8500549D0
- Authority
- SE
- Sweden
- Prior art keywords
- tube
- shank
- sitting
- drill head
- centring rings
- Prior art date
Links
- 239000011435 rock Substances 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
- 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
- E21B17/046—Couplings; joints between rod or the like and bit or between rod and rod or the like with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
-
- 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
- E21B10/00—Drill bits
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
- E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
-
- 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
- E21B17/22—Rods or pipes with helical structure
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843405070 DE3405070A1 (de) | 1984-02-13 | 1984-02-13 | Gesteinsbohrer |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8500549D0 true SE8500549D0 (sv) | 1985-02-06 |
SE8500549L SE8500549L (sv) | 1985-08-14 |
Family
ID=6227577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8500549A SE8500549L (sv) | 1984-02-13 | 1985-02-06 | Bergborr |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH665449A5 (sv) |
DE (1) | DE3405070A1 (sv) |
SE (1) | SE8500549L (sv) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3820697A1 (de) * | 1988-06-18 | 1989-12-21 | Hawera Probst Kg Hartmetall | Bohrwerkzeug |
CN103404269A (zh) * | 2013-07-18 | 2013-11-27 | 吴江市黎里建兴铸件厂 | 一种打洞棍 |
EP3581756A1 (de) | 2018-06-11 | 2019-12-18 | HILTI Aktiengesellschaft | Bohrvorrichtung |
-
1984
- 1984-02-13 DE DE19843405070 patent/DE3405070A1/de not_active Withdrawn
-
1985
- 1985-01-10 CH CH102/85A patent/CH665449A5/de not_active IP Right Cessation
- 1985-02-06 SE SE8500549A patent/SE8500549L/sv not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE8500549L (sv) | 1985-08-14 |
DE3405070A1 (de) | 1985-08-14 |
CH665449A5 (de) | 1988-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8500549-4 Effective date: 19910901 |