DE2964335D1 - Down-the-hole drill - Google Patents

Down-the-hole drill

Info

Publication number
DE2964335D1
DE2964335D1 DE7979100010T DE2964335T DE2964335D1 DE 2964335 D1 DE2964335 D1 DE 2964335D1 DE 7979100010 T DE7979100010 T DE 7979100010T DE 2964335 T DE2964335 T DE 2964335T DE 2964335 D1 DE2964335 D1 DE 2964335D1
Authority
DE
Germany
Prior art keywords
hole drill
drill
hole
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.)
Expired
Application number
DE7979100010T
Other languages
German (de)
Inventor
James Oliver Mcenery
Frank William Morton
John Joseph O'dea
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.)
Boart International Ltd
Original Assignee
Boart International 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 Boart International Ltd filed Critical Boart International Ltd
Application granted granted Critical
Publication of DE2964335D1 publication Critical patent/DE2964335D1/en
Expired legal-status Critical Current

Links

DE7979100010T 1978-01-06 1979-01-02 Down-the-hole drill Expired DE2964335D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA78910 1978-01-06

Publications (1)

Publication Number Publication Date
DE2964335D1 true DE2964335D1 (en) 1983-01-27

Family

ID=25572593

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979100010T Expired DE2964335D1 (en) 1978-01-06 1979-01-02 Down-the-hole drill

Country Status (1)

Country Link
DE (1) DE2964335D1 (en)

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Legal Events

Date Code Title Description
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee