DE3166805D1 - A drill rod guiding and centralizing mechanism - Google Patents

A drill rod guiding and centralizing mechanism

Info

Publication number
DE3166805D1
DE3166805D1 DE8181901712T DE3166805T DE3166805D1 DE 3166805 D1 DE3166805 D1 DE 3166805D1 DE 8181901712 T DE8181901712 T DE 8181901712T DE 3166805 T DE3166805 T DE 3166805T DE 3166805 D1 DE3166805 D1 DE 3166805D1
Authority
DE
Germany
Prior art keywords
drill rod
rod guiding
centralizing mechanism
centralizing
guiding
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
DE8181901712T
Other languages
German (de)
Inventor
Matti Leppala
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.)
Tampella Oy AB
Original Assignee
Tampella Oy AB
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
Priority claimed from FI802116A external-priority patent/FI62892C/en
Application filed by Tampella Oy AB filed Critical Tampella Oy AB
Application granted granted Critical
Publication of DE3166805D1 publication Critical patent/DE3166805D1/en
Expired legal-status Critical Current

Links

DE8181901712T 1980-07-02 1981-06-12 A drill rod guiding and centralizing mechanism Expired DE3166805D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI802116A FI62892C (en) 1980-07-02 1980-07-02 STYRNINGS- OCH CENTRERINGSANORDNING FOER BORRSTAONG
PCT/FI1981/000045 WO1982000171A1 (en) 1980-07-02 1981-06-12 A drill steel guiding and centralizing mechanism

Publications (1)

Publication Number Publication Date
DE3166805D1 true DE3166805D1 (en) 1984-11-29

Family

ID=26157140

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181901712T Expired DE3166805D1 (en) 1980-07-02 1981-06-12 A drill rod guiding and centralizing mechanism

Country Status (3)

Country Link
AU (1) AU541378B2 (en)
DE (1) DE3166805D1 (en)
NO (1) NO156987C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI74778C (en) * 1986-04-21 1988-03-10 Tampella Oy Ab Rod control device for a joint bar drilling equipment.

Also Published As

Publication number Publication date
AU7294081A (en) 1982-02-02
AU541378B2 (en) 1985-01-03
NO156987B (en) 1987-09-21
NO156987C (en) 1988-01-06
NO820585L (en) 1982-02-25

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee