AU455619B2 - Pneumatically-operated impact-action self propelled mechanism for making holes in the earth - Google Patents
Pneumatically-operated impact-action self propelled mechanism for making holes in the earthInfo
- Publication number
- AU455619B2 AU455619B2 AU44634/72A AU4463472A AU455619B2 AU 455619 B2 AU455619 B2 AU 455619B2 AU 44634/72 A AU44634/72 A AU 44634/72A AU 4463472 A AU4463472 A AU 4463472A AU 455619 B2 AU455619 B2 AU 455619B2
- Authority
- AU
- Australia
- Prior art keywords
- pneumatically
- earth
- making holes
- self propelled
- propelled mechanism
- 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 |
---|---|---|---|
SU1704902A SU482103A1 (en) | 1971-10-11 | 1971-10-11 | Pneumatic percussion device for the formation of a well in the ground |
Publications (2)
Publication Number | Publication Date |
---|---|
AU4463472A AU4463472A (en) | 1974-01-24 |
AU455619B2 true AU455619B2 (en) | 1974-11-21 |
Family
ID=20490168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU44634/72A Expired AU455619B2 (en) | 1971-10-11 | 1972-07-17 | Pneumatically-operated impact-action self propelled mechanism for making holes in the earth |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU455619B2 (en) |
SU (1) | SU482103A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105332652B (en) * | 2015-11-17 | 2017-12-26 | 威海市水利岩土工程有限公司 | Long spire base expanding and base expanding pore-forming drill system |
-
1971
- 1971-10-11 SU SU1704902A patent/SU482103A1/en active
-
1972
- 1972-07-17 AU AU44634/72A patent/AU455619B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU4463472A (en) | 1974-01-24 |
SU482103A1 (en) | 1976-10-25 |
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