GR1002777B - Drilling pipes with female coupling on either side, method of joining thereof - Google Patents

Drilling pipes with female coupling on either side, method of joining thereof

Info

Publication number
GR1002777B
GR1002777B GR960100448A GR960100448A GR1002777B GR 1002777 B GR1002777 B GR 1002777B GR 960100448 A GR960100448 A GR 960100448A GR 960100448 A GR960100448 A GR 960100448A GR 1002777 B GR1002777 B GR 1002777B
Authority
GR
Greece
Prior art keywords
joining
pipes
female coupling
internal
drilling pipes
Prior art date
Application number
GR960100448A
Other languages
Greek (el)
Inventor
Original Assignee
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 filed Critical
Publication of GR1002777B publication Critical patent/GR1002777B/en

Links

Abstract

The invention refers to drilling pipes (for other uses as well) characterized by the female ends on either side coupled with the use of an internal intemediary driving coupling element inserted in the the female ends of the joined pipes creating an internal and external smooth surface making practically invisible the joining area. Then, with the use of an external joint splitable in two similar parts embracing the two feamle ends of the joining pipes present a strong, reliable joining thereof.
GR960100448A 1996-12-31 1996-12-31 Drilling pipes with female coupling on either side, method of joining thereof GR1002777B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR96100448 1996-12-31

Publications (1)

Publication Number Publication Date
GR1002777B true GR1002777B (en) 1997-09-26

Family

ID=10942586

Family Applications (1)

Application Number Title Priority Date Filing Date
GR960100448A GR1002777B (en) 1996-12-31 1996-12-31 Drilling pipes with female coupling on either side, method of joining thereof

Country Status (1)

Country Link
GR (1) GR1002777B (en)

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Legal Events

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