CA1016933A - Swivel for core drilling - Google Patents
Swivel for core drillingInfo
- Publication number
- CA1016933A CA1016933A CA257,562A CA257562A CA1016933A CA 1016933 A CA1016933 A CA 1016933A CA 257562 A CA257562 A CA 257562A CA 1016933 A CA1016933 A CA 1016933A
- Authority
- CA
- Canada
- Prior art keywords
- swivel
- core drilling
- drilling
- core
- 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.)
- Expired
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA257,562A CA1016933A (en) | 1973-08-29 | 1976-07-22 | Swivel for core drilling |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US392628A US3871486A (en) | 1973-08-29 | 1973-08-29 | Continuous coring system and apparatus |
CA199,060A CA1002510A (en) | 1973-08-29 | 1974-05-06 | Continuous coring system and apparatus |
CA257,562A CA1016933A (en) | 1973-08-29 | 1976-07-22 | Swivel for core drilling |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1016933A true CA1016933A (en) | 1977-09-06 |
Family
ID=27163456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA257,562A Expired CA1016933A (en) | 1973-08-29 | 1976-07-22 | Swivel for core drilling |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1016933A (en) |
-
1976
- 1976-07-22 CA CA257,562A patent/CA1016933A/en not_active Expired
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