AU560858B2 - Yieldable timber roof prop - Google Patents

Yieldable timber roof prop

Info

Publication number
AU560858B2
AU560858B2 AU29860/84A AU2986084A AU560858B2 AU 560858 B2 AU560858 B2 AU 560858B2 AU 29860/84 A AU29860/84 A AU 29860/84A AU 2986084 A AU2986084 A AU 2986084A AU 560858 B2 AU560858 B2 AU 560858B2
Authority
AU
Australia
Prior art keywords
yieldable
timber roof
roof prop
prop
timber
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU29860/84A
Other versions
AU2986084A (en
Inventor
Dirk Cornelius Stephanus Venter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bestobell South Africa Pty Ltd
Original Assignee
BESTOBELL SOUTH AFRICA Ltd
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 BESTOBELL SOUTH AFRICA Ltd filed Critical BESTOBELL SOUTH AFRICA Ltd
Publication of AU2986084A publication Critical patent/AU2986084A/en
Application granted granted Critical
Publication of AU560858B2 publication Critical patent/AU560858B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU29860/84A 1983-06-24 1984-06-25 Yieldable timber roof prop Ceased AU560858B2 (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
ZA83/4619 1983-06-24
ZA834618 1983-06-24
ZA834619 1983-06-24
ZA83/4618 1983-06-24
ZA837625 1983-10-13
ZA83/7625 1983-10-13
ZA83/7657 1983-10-14
ZA837657 1983-10-14
ZA83/8465 1983-11-14
ZA838465 1983-11-14
ZA84/0825 1984-02-03
ZA84825 1984-02-03

Publications (2)

Publication Number Publication Date
AU2986084A AU2986084A (en) 1985-01-03
AU560858B2 true AU560858B2 (en) 1987-04-16

Family

ID=27560365

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29860/84A Ceased AU560858B2 (en) 1983-06-24 1984-06-25 Yieldable timber roof prop

Country Status (1)

Country Link
AU (1) AU560858B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578850B2 (en) * 1985-11-20 1988-11-03 Fosroc International Limited Rock bolt
AU604905B2 (en) * 1985-11-20 1991-01-03 Fosroc International Limited Rock bolt dowell

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1231843A (en) * 1983-10-14 1988-01-26 Dirk C.S. Venter Elongate mine support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU578850B2 (en) * 1985-11-20 1988-11-03 Fosroc International Limited Rock bolt
AU604905B2 (en) * 1985-11-20 1991-01-03 Fosroc International Limited Rock bolt dowell

Also Published As

Publication number Publication date
AU2986084A (en) 1985-01-03

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