ZA775348B - Improvements in or relating to yieldable mine roof supports - Google Patents

Improvements in or relating to yieldable mine roof supports

Info

Publication number
ZA775348B
ZA775348B ZA00775348A ZA775348A ZA775348B ZA 775348 B ZA775348 B ZA 775348B ZA 00775348 A ZA00775348 A ZA 00775348A ZA 775348 A ZA775348 A ZA 775348A ZA 775348 B ZA775348 B ZA 775348B
Authority
ZA
South Africa
Prior art keywords
relating
mine roof
roof supports
yieldable mine
yieldable
Prior art date
Application number
ZA00775348A
Inventor
L Herron
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Priority to ZA00775348A priority Critical patent/ZA775348B/en
Publication of ZA775348B publication Critical patent/ZA775348B/en

Links

ZA00775348A 1977-09-06 1977-09-06 Improvements in or relating to yieldable mine roof supports ZA775348B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA00775348A ZA775348B (en) 1977-09-06 1977-09-06 Improvements in or relating to yieldable mine roof supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00775348A ZA775348B (en) 1977-09-06 1977-09-06 Improvements in or relating to yieldable mine roof supports

Publications (1)

Publication Number Publication Date
ZA775348B true ZA775348B (en) 1979-05-30

Family

ID=25571995

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00775348A ZA775348B (en) 1977-09-06 1977-09-06 Improvements in or relating to yieldable mine roof supports

Country Status (1)

Country Link
ZA (1) ZA775348B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9347316B2 (en) 2012-08-30 2016-05-24 Burrell Mining Products, Inc. Telescopic mine roof support
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9347316B2 (en) 2012-08-30 2016-05-24 Burrell Mining Products, Inc. Telescopic mine roof support
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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