ZA763597B - Improvements in or relating to yieldable pit props - Google Patents

Improvements in or relating to yieldable pit props

Info

Publication number
ZA763597B
ZA763597B ZA763597A ZA763597A ZA763597B ZA 763597 B ZA763597 B ZA 763597B ZA 763597 A ZA763597 A ZA 763597A ZA 763597 A ZA763597 A ZA 763597A ZA 763597 B ZA763597 B ZA 763597B
Authority
ZA
South Africa
Prior art keywords
yieldable
relating
pit props
props
pit
Prior art date
Application number
ZA763597A
Inventor
A Rowe
Original Assignee
A Rowe
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 A Rowe filed Critical A Rowe
Priority to ZA763597A priority Critical patent/ZA763597B/en
Publication of ZA763597B publication Critical patent/ZA763597B/en

Links

ZA763597A 1976-06-17 1976-06-17 Improvements in or relating to yieldable pit props ZA763597B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA763597A ZA763597B (en) 1976-06-17 1976-06-17 Improvements in or relating to yieldable pit props

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA763597A ZA763597B (en) 1976-06-17 1976-06-17 Improvements in or relating to yieldable pit props

Publications (1)

Publication Number Publication Date
ZA763597B true ZA763597B (en) 1977-09-28

Family

ID=25570409

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA763597A ZA763597B (en) 1976-06-17 1976-06-17 Improvements in or relating to yieldable pit props

Country Status (1)

Country Link
ZA (1) ZA763597B (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

Similar Documents

Publication Publication Date Title
ZA784382B (en) Improvements in or relating to wall segments
PT65322B (en) Improvements in or relating to inflatable literafts
HK37481A (en) Improvements in or relating to radiography
ZA77364B (en) Improvements in or relating to advancing support
HK24782A (en) Improvements in drill units
ZA774475B (en) Improvements in or relating to line advance mechanisms
HK71279A (en) Improvements in or relating to radiography
HK37681A (en) Improvements in or relating to radiography
ZA762484B (en) Improvements in or relating to penstocks
ZA762470B (en) Improvements in or relating to cableclamping devices
MY8000021A (en) Improvements in or relating to radiography
ZA761136B (en) Improvements in or relating to drills
ZA773680B (en) Improvements in or relating to roof supports
ZA774778B (en) Improvements in or relating to glycerokinases
HK5179A (en) Improvements in or relating to phonographs
ZA763598B (en) Improvements in or relating to yieldable pit props
ZA763597B (en) Improvements in or relating to yieldable pit props
ZA763451B (en) Improvements in and relating to footwear
MY8100167A (en) Improvements in or relating to radiography
GR60267B (en) Improvements in or relating to anchors
ZA777090B (en) Improvements in or relating to roof supports
ZA774654B (en) Improvements in or relating to dartboards
ZA777257B (en) Improvements in or relating to pit props
ZA777255B (en) Improvements in or relating to pit props
ZA777254B (en) Improvements in or relating to pit props