ZA862653B - Mine prop extension - Google Patents

Mine prop extension

Info

Publication number
ZA862653B
ZA862653B ZA862653A ZA862653A ZA862653B ZA 862653 B ZA862653 B ZA 862653B ZA 862653 A ZA862653 A ZA 862653A ZA 862653 A ZA862653 A ZA 862653A ZA 862653 B ZA862653 B ZA 862653B
Authority
ZA
South Africa
Prior art keywords
mine prop
prop extension
extension
mine
prop
Prior art date
Application number
ZA862653A
Inventor
John Edward Lewthwaite
Original Assignee
Standard Brass Iron & Steel Fo
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 Standard Brass Iron & Steel Fo filed Critical Standard Brass Iron & Steel Fo
Priority to ZA862653A priority Critical patent/ZA862653B/en
Publication of ZA862653B publication Critical patent/ZA862653B/en

Links

ZA862653A 1985-04-19 1986-04-09 Mine prop extension ZA862653B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA862653A ZA862653B (en) 1985-04-19 1986-04-09 Mine prop extension

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA852943 1985-04-19
ZA862653A ZA862653B (en) 1985-04-19 1986-04-09 Mine prop extension

Publications (1)

Publication Number Publication Date
ZA862653B true ZA862653B (en) 1986-11-26

Family

ID=27136176

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA862653A ZA862653B (en) 1985-04-19 1986-04-09 Mine prop extension

Country Status (1)

Country Link
ZA (1) ZA862653B (en)

Similar Documents

Publication Publication Date Title
GB8330127D0 (en) Mine prop
GB8615666D0 (en) Mine roof supports
GB2191236B (en) Mine roof supports
GB2199068B (en) Mine roof supports
GB8617160D0 (en) Mine roof supports
GB2196371B (en) Mine roof supports
ZA852380B (en) Mine prop
ZA877215B (en) Mine prop
GB2188665B (en) Mine roof supports
ZA862653B (en) Mine prop extension
ZA862831B (en) Mine prop
ZA847219B (en) Combination mine prop
ZA867350B (en) Mine prop structure
ZA867315B (en) Mine prop extension system
ZA866116B (en) Temporary mine prop
ZA867432B (en) Mine prop
ZW6484A1 (en) Elongate mine prop
ZA863376B (en) Prop
ZA858598B (en) Prop
GB2182704B (en) Mine roof supports
ZA854983B (en) Ajustable mining prop
ZA892127B (en) Mine prop
ZA853870B (en) Mine props
ZA879109B (en) Mining props
PL253950A1 (en) Self-advancing roof supports