ZW14190A1 - A control tube assembly for a down hole rock drill - Google Patents

A control tube assembly for a down hole rock drill

Info

Publication number
ZW14190A1
ZW14190A1 ZW14190A ZW14190A ZW14190A1 ZW 14190 A1 ZW14190 A1 ZW 14190A1 ZW 14190 A ZW14190 A ZW 14190A ZW 14190 A ZW14190 A ZW 14190A ZW 14190 A1 ZW14190 A1 ZW 14190A1
Authority
ZW
Zimbabwe
Prior art keywords
tube assembly
control tube
rock drill
down hole
hole rock
Prior art date
Application number
ZW14190A
Inventor
Purcell Patrick
Elsby John
Original Assignee
Rock Drill Technical Services
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 Rock Drill Technical Services filed Critical Rock Drill Technical Services
Priority to ZW14190A priority Critical patent/ZW14190A1/en
Publication of ZW14190A1 publication Critical patent/ZW14190A1/en
Priority to AU83504/91A priority patent/AU636057B2/en

Links

ZW14190A 1990-09-11 1990-09-11 A control tube assembly for a down hole rock drill ZW14190A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZW14190A ZW14190A1 (en) 1990-09-11 1990-09-11 A control tube assembly for a down hole rock drill
AU83504/91A AU636057B2 (en) 1990-09-11 1991-09-02 A control tube assembly for down hole rock drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZW14190A ZW14190A1 (en) 1990-09-11 1990-09-11 A control tube assembly for a down hole rock drill

Publications (1)

Publication Number Publication Date
ZW14190A1 true ZW14190A1 (en) 1991-01-30

Family

ID=25590501

Family Applications (1)

Application Number Title Priority Date Filing Date
ZW14190A ZW14190A1 (en) 1990-09-11 1990-09-11 A control tube assembly for a down hole rock drill

Country Status (2)

Country Link
AU (1) AU636057B2 (en)
ZW (1) ZW14190A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO698197A0 (en) * 1997-05-26 1997-06-19 Sds Digger Tools Pty Ltd A percussive hammer drill

Also Published As

Publication number Publication date
AU8350491A (en) 1992-03-19
AU636057B2 (en) 1993-04-08

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