ZW4591A1 - Mine shaft sinking - Google Patents

Mine shaft sinking

Info

Publication number
ZW4591A1
ZW4591A1 ZW45/91A ZW4591A ZW4591A1 ZW 4591 A1 ZW4591 A1 ZW 4591A1 ZW 45/91 A ZW45/91 A ZW 45/91A ZW 4591 A ZW4591 A ZW 4591A ZW 4591 A1 ZW4591 A1 ZW 4591A1
Authority
ZW
Zimbabwe
Prior art keywords
mine shaft
shaft sinking
sinking
mine
shaft
Prior art date
Application number
ZW45/91A
Inventor
Alexander Sobey Bruce
Ernest Greenway Malcom
Jozefus Dost Bernadus
Gibson Sidney
Original Assignee
Anglo Amer Corp South Africa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB909008669A external-priority patent/GB9008669D0/en
Application filed by Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa
Publication of ZW4591A1 publication Critical patent/ZW4591A1/en

Links

ZW45/91A 1990-04-18 1991-04-17 Mine shaft sinking ZW4591A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA902920 1990-04-18
GB909008669A GB9008669D0 (en) 1990-04-18 1990-04-18 The sinking of mine shafts

Publications (1)

Publication Number Publication Date
ZW4591A1 true ZW4591A1 (en) 1992-04-22

Family

ID=26296951

Family Applications (1)

Application Number Title Priority Date Filing Date
ZW45/91A ZW4591A1 (en) 1990-04-18 1991-04-17 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU650010B2 (en) 1994-06-09
CA2040716A1 (en) 1991-10-19
AU7525391A (en) 1991-10-24
CA2040716C (en) 2003-10-21
BR9101574A (en) 1991-12-10

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