AU7525391A - Mine shaft sinking - Google Patents
Mine shaft sinkingInfo
- Publication number
- AU7525391A AU7525391A AU75253/91A AU7525391A AU7525391A AU 7525391 A AU7525391 A AU 7525391A AU 75253/91 A AU75253/91 A AU 75253/91A AU 7525391 A AU7525391 A AU 7525391A AU 7525391 A AU7525391 A AU 7525391A
- Authority
- AU
- Australia
- Prior art keywords
- mine shaft
- shaft sinking
- sinking
- mine
- shaft
- 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.)
- Granted
Links
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA90/2920 | 1990-04-18 | ||
GB909008669A GB9008669D0 (en) | 1990-04-18 | 1990-04-18 | The sinking of mine shafts |
ZA902920 | 1990-04-18 | ||
GB9008669 | 1990-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7525391A true AU7525391A (en) | 1991-10-24 |
AU650010B2 AU650010B2 (en) | 1994-06-09 |
Family
ID=26296951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU75253/91A Expired AU650010B2 (en) | 1990-04-18 | 1991-04-18 | Mine shaft sinking |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU650010B2 (en) |
BR (1) | BR9101574A (en) |
CA (1) | CA2040716C (en) |
ZW (1) | ZW4591A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112627826B (en) * | 2020-12-03 | 2022-05-03 | 招金矿业股份有限公司夏甸金矿 | Safe and efficient shaft tunneling method |
CN112983429A (en) * | 2021-04-15 | 2021-06-18 | 北京中岩智泊科技有限公司 | Open caisson heading machine |
CN117386374B (en) * | 2023-12-13 | 2024-03-08 | 中国建筑第五工程局有限公司 | Shaft tunneling device with supporting structure |
-
1991
- 1991-04-17 CA CA002040716A patent/CA2040716C/en not_active Expired - Lifetime
- 1991-04-17 ZW ZW45/91A patent/ZW4591A1/en unknown
- 1991-04-18 BR BR919101574A patent/BR9101574A/en not_active IP Right Cessation
- 1991-04-18 AU AU75253/91A patent/AU650010B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ZW4591A1 (en) | 1992-04-22 |
CA2040716C (en) | 2003-10-21 |
CA2040716A1 (en) | 1991-10-19 |
BR9101574A (en) | 1991-12-10 |
AU650010B2 (en) | 1994-06-09 |
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