AT217400B - Rohrverbindung in Form einer Verbindungsmuffe für eine Schwerstange - Google Patents

Rohrverbindung in Form einer Verbindungsmuffe für eine Schwerstange

Info

Publication number
AT217400B
AT217400B AT117859A AT117859A AT217400B AT 217400 B AT217400 B AT 217400B AT 117859 A AT117859 A AT 117859A AT 117859 A AT117859 A AT 117859A AT 217400 B AT217400 B AT 217400B
Authority
AT
Austria
Prior art keywords
connecting sleeve
pipe connection
drill collar
drill
collar
Prior art date
Application number
AT117859A
Other languages
English (en)
Original Assignee
American Iron & Maschine Works
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 American Iron & Maschine Works filed Critical American Iron & Maschine Works
Application granted granted Critical
Publication of AT217400B publication Critical patent/AT217400B/de

Links

AT117859A 1958-02-26 1959-02-16 Rohrverbindung in Form einer Verbindungsmuffe für eine Schwerstange AT217400B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US217400XA 1958-02-26 1958-02-26

Publications (1)

Publication Number Publication Date
AT217400B true AT217400B (de) 1961-09-25

Family

ID=21805869

Family Applications (1)

Application Number Title Priority Date Filing Date
AT117859A AT217400B (de) 1958-02-26 1959-02-16 Rohrverbindung in Form einer Verbindungsmuffe für eine Schwerstange

Country Status (1)

Country Link
AT (1) AT217400B (de)

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