NO850587L - Dreibar kutter for jordboringsutstyr - Google Patents
Dreibar kutter for jordboringsutstyrInfo
- Publication number
- NO850587L NO850587L NO850587A NO850587A NO850587L NO 850587 L NO850587 L NO 850587L NO 850587 A NO850587 A NO 850587A NO 850587 A NO850587 A NO 850587A NO 850587 L NO850587 L NO 850587L
- Authority
- NO
- Norway
- Prior art keywords
- pivotable
- cuts
- drilling equipment
- earth drilling
- earth
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO850587A NO165650C (no) | 1979-05-29 | 1985-02-15 | Skjaerevalse for borkrone. |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/043,533 US4316515A (en) | 1979-05-29 | 1979-05-29 | Shaft drill bit with improved cutter bearing and seal arrangement and cutter insert arrangement |
NO801095A NO154586C (no) | 1979-05-29 | 1980-04-16 | Skjaerevalse for en rotasjonsborkrone. |
NO850587A NO165650C (no) | 1979-05-29 | 1985-02-15 | Skjaerevalse for borkrone. |
Publications (3)
Publication Number | Publication Date |
---|---|
NO850587L true NO850587L (no) | 1980-12-01 |
NO165650B NO165650B (no) | 1990-12-03 |
NO165650C NO165650C (no) | 1991-03-13 |
Family
ID=27352776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO850587A NO165650C (no) | 1979-05-29 | 1985-02-15 | Skjaerevalse for borkrone. |
Country Status (1)
Country | Link |
---|---|
NO (1) | NO165650C (no) |
-
1985
- 1985-02-15 NO NO850587A patent/NO165650C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO165650C (no) | 1991-03-13 |
NO165650B (no) | 1990-12-03 |
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