AU541762B2 - Drill head assembly - Google Patents
Drill head assemblyInfo
- Publication number
- AU541762B2 AU541762B2 AU59102/80A AU5910280A AU541762B2 AU 541762 B2 AU541762 B2 AU 541762B2 AU 59102/80 A AU59102/80 A AU 59102/80A AU 5910280 A AU5910280 A AU 5910280A AU 541762 B2 AU541762 B2 AU 541762B2
- Authority
- AU
- Australia
- Prior art keywords
- head assembly
- drill head
- drill
- assembly
- head
- 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
Links
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4681279A | 1979-06-08 | 1979-06-08 | |
US046812 | 1987-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5910280A AU5910280A (en) | 1980-12-11 |
AU541762B2 true AU541762B2 (en) | 1985-01-17 |
Family
ID=21945523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU59102/80A Ceased AU541762B2 (en) | 1979-06-08 | 1980-06-06 | Drill head assembly |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU541762B2 (en) |
CA (1) | CA1146156A (en) |
ZA (1) | ZA803212B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU593643B2 (en) * | 1982-02-24 | 1990-02-15 | Drill Systems International Ltd | Drilling apparatus |
-
1980
- 1980-05-29 ZA ZA00803212A patent/ZA803212B/en unknown
- 1980-06-04 CA CA000353343A patent/CA1146156A/en not_active Expired
- 1980-06-06 AU AU59102/80A patent/AU541762B2/en not_active Ceased
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU593643B2 (en) * | 1982-02-24 | 1990-02-15 | Drill Systems International Ltd | Drilling apparatus |
Also Published As
Publication number | Publication date |
---|---|
ZA803212B (en) | 1981-05-27 |
AU5910280A (en) | 1980-12-11 |
CA1146156A (en) | 1983-05-10 |
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