ZA803212B - Drill head assembly - Google Patents

Drill head assembly

Info

Publication number
ZA803212B
ZA803212B ZA00803212A ZA803212A ZA803212B ZA 803212 B ZA803212 B ZA 803212B ZA 00803212 A ZA00803212 A ZA 00803212A ZA 803212 A ZA803212 A ZA 803212A ZA 803212 B ZA803212 B ZA 803212B
Authority
ZA
South Africa
Prior art keywords
head assembly
drill head
drill
assembly
head
Prior art date
Application number
ZA00803212A
Inventor
A Phillips
Original Assignee
A Phillips
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 A Phillips filed Critical A Phillips
Publication of ZA803212B publication Critical patent/ZA803212B/en

Links

ZA00803212A 1979-06-08 1980-05-29 Drill head assembly ZA803212B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4681279A 1979-06-08 1979-06-08

Publications (1)

Publication Number Publication Date
ZA803212B true ZA803212B (en) 1981-05-27

Family

ID=21945523

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00803212A ZA803212B (en) 1979-06-08 1980-05-29 Drill head assembly

Country Status (3)

Country Link
AU (1) AU541762B2 (en)
CA (1) CA1146156A (en)
ZA (1) ZA803212B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU562909B2 (en) * 1982-02-24 1987-06-25 Drill Systems International Ltd Drilling apparatus
CN114151018B (en) * 2021-12-08 2024-11-08 江苏超峰工具有限公司 High-strength hole drill and preparation process thereof

Also Published As

Publication number Publication date
AU5910280A (en) 1980-12-11
AU541762B2 (en) 1985-01-17
CA1146156A (en) 1983-05-10

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