ZA901984B - Yielding mine prop - Google Patents

Yielding mine prop

Info

Publication number
ZA901984B
ZA901984B ZA901984A ZA901984A ZA901984B ZA 901984 B ZA901984 B ZA 901984B ZA 901984 A ZA901984 A ZA 901984A ZA 901984 A ZA901984 A ZA 901984A ZA 901984 B ZA901984 B ZA 901984B
Authority
ZA
South Africa
Prior art keywords
mine prop
yielding mine
yielding
prop
mine
Prior art date
Application number
ZA901984A
Inventor
Anthony John Spencer Spearing
John Spencer Spearing Anthony
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
Application filed by Anglo Amer Corp South Africa filed Critical Anglo Amer Corp South Africa
Priority to ZA901984A priority Critical patent/ZA901984B/en
Publication of ZA901984B publication Critical patent/ZA901984B/en

Links

ZA901984A 1989-03-16 1990-03-15 Yielding mine prop ZA901984B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA901984A ZA901984B (en) 1989-03-16 1990-03-15 Yielding mine prop

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA892008 1989-03-16
ZA901984A ZA901984B (en) 1989-03-16 1990-03-15 Yielding mine prop

Publications (1)

Publication Number Publication Date
ZA901984B true ZA901984B (en) 1990-12-28

Family

ID=27139979

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA901984A ZA901984B (en) 1989-03-16 1990-03-15 Yielding mine prop

Country Status (1)

Country Link
ZA (1) ZA901984B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support

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