AU541762B2 - Drill head assembly - Google Patents

Drill head assembly

Info

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
Application number
AU59102/80A
Other versions
AU5910280A (en
Inventor
Albert Phillips
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU5910280A publication Critical patent/AU5910280A/en
Application granted granted Critical
Publication of AU541762B2 publication Critical patent/AU541762B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU59102/80A 1979-06-08 1980-06-06 Drill head assembly Ceased AU541762B2 (en)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU593643B2 (en) * 1982-02-24 1990-02-15 Drill Systems International Ltd Drilling apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
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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