AT199588B - Conical thread connection, in particular for drill rods - Google Patents

Conical thread connection, in particular for drill rods

Info

Publication number
AT199588B
AT199588B AT199588DA AT199588B AT 199588 B AT199588 B AT 199588B AT 199588D A AT199588D A AT 199588DA AT 199588 B AT199588 B AT 199588B
Authority
AT
Austria
Prior art keywords
thread connection
drill rods
conical thread
conical
drill
Prior art date
Application number
Other languages
German (de)
Original Assignee
Bataafsche Petroleum
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 Bataafsche Petroleum filed Critical Bataafsche Petroleum
Application granted granted Critical
Publication of AT199588B publication Critical patent/AT199588B/en

Links

AT199588D 1954-03-16 1956-10-29 Conical thread connection, in particular for drill rods AT199588B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL193827X 1954-03-16
NL199588X 1955-10-31

Publications (1)

Publication Number Publication Date
AT199588B true AT199588B (en) 1958-09-10

Family

ID=29714416

Family Applications (1)

Application Number Title Priority Date Filing Date
AT199588D AT199588B (en) 1954-03-16 1956-10-29 Conical thread connection, in particular for drill rods

Country Status (1)

Country Link
AT (1) AT199588B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4865364A (en) * 1988-07-05 1989-09-12 Vetco Gray Inc. Conical thread form

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4865364A (en) * 1988-07-05 1989-09-12 Vetco Gray Inc. Conical thread form

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