ZA200306396B - Hydraulic mine support pre-load device pressure relief valve. - Google Patents

Hydraulic mine support pre-load device pressure relief valve.

Info

Publication number
ZA200306396B
ZA200306396B ZA200306396A ZA200306396A ZA200306396B ZA 200306396 B ZA200306396 B ZA 200306396B ZA 200306396 A ZA200306396 A ZA 200306396A ZA 200306396 A ZA200306396 A ZA 200306396A ZA 200306396 B ZA200306396 B ZA 200306396B
Authority
ZA
South Africa
Prior art keywords
relief valve
pressure relief
load device
device pressure
mine support
Prior art date
Application number
ZA200306396A
Inventor
John Paul Mckelvey
David Charles Tyrer
Original Assignee
Camworth Technologies 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 Camworth Technologies Ltd filed Critical Camworth Technologies Ltd
Priority to ZA200306396A priority Critical patent/ZA200306396B/en
Publication of ZA200306396B publication Critical patent/ZA200306396B/en

Links

ZA200306396A 2002-07-22 2003-08-18 Hydraulic mine support pre-load device pressure relief valve. ZA200306396B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA200306396A ZA200306396B (en) 2002-07-22 2003-08-18 Hydraulic mine support pre-load device pressure relief valve.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200205808 2002-07-22
ZA200306396A ZA200306396B (en) 2002-07-22 2003-08-18 Hydraulic mine support pre-load device pressure relief valve.

Publications (1)

Publication Number Publication Date
ZA200306396B true ZA200306396B (en) 2004-02-11

Family

ID=32600472

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200306396A ZA200306396B (en) 2002-07-22 2003-08-18 Hydraulic mine support pre-load device pressure relief valve.

Country Status (1)

Country Link
ZA (1) ZA200306396B (en)

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