CA723453A - Telescopic valve - Google Patents
Telescopic valveInfo
- Publication number
- CA723453A CA723453A CA723453A CA723453DA CA723453A CA 723453 A CA723453 A CA 723453A CA 723453 A CA723453 A CA 723453A CA 723453D A CA723453D A CA 723453DA CA 723453 A CA723453 A CA 723453A
- Authority
- CA
- Canada
- Prior art keywords
- telescopic valve
- telescopic
- valve
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA723453T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA723453A true CA723453A (en) | 1965-12-14 |
Family
ID=36059028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA723453A Expired CA723453A (en) | Telescopic valve |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA723453A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928775A (en) * | 1988-12-30 | 1990-05-29 | Gas Research Institute | Downhole surge valve for earth boring apparatus |
US4958689A (en) * | 1988-12-30 | 1990-09-25 | Gas Research Institute | Method of providing a high pressure surge of working fluid to an underground percussive mole |
-
0
- CA CA723453A patent/CA723453A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4928775A (en) * | 1988-12-30 | 1990-05-29 | Gas Research Institute | Downhole surge valve for earth boring apparatus |
US4958689A (en) * | 1988-12-30 | 1990-09-25 | Gas Research Institute | Method of providing a high pressure surge of working fluid to an underground percussive mole |
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