Global Patent Index - EP 1240405 A1

EP 1240405 A1 20020918 - DRILL STRING WITH INTERFERENCE FIT COUPLINGS AND COUPLERS THEREFOR

Title (en)

DRILL STRING WITH INTERFERENCE FIT COUPLINGS AND COUPLERS THEREFOR

Title (de)

BOHRSTRANG MIT PRESSSITZVERBINDUNGEN UND DAFÜR GEEIGNETES VERBINDUNGSSTÜCK

Title (fr)

TRAIN DE TIGES DE FORAGE COMPORTANT DES COUPLAGES AVEC AJUSTEMENT SERRE, ET DISPOSITIFS DE COUPLAGE DESTINES A CET EFFET

Publication

EP 1240405 A1 20020918 (EN)

Application

EP 00971186 A 20001027

Priority

  • CA 0001255 W 20001027
  • CA 2287681 A 19991028

Abstract (en)

[origin: WO0131162A1] A threaded end of a drill rod is formed from a sleeve to one end of the body. The sleeve has a threaded bore to receive a threaded end of an adjacent component and is secured to the body of the rod by an interference fit between a bore and spigot on the two components.

IPC 1-7

E21B 17/042; E21B 17/04; E21B 17/03

IPC 8 full level

E21B 17/04 (2006.01); E21B 17/042 (2006.01)

CPC (source: EP US)

E21B 17/042 (2013.01 - EP US); E21B 17/0426 (2013.01 - EP)

Citation (search report)

See references of WO 0131162A1

Designated contracting state (EPC)

GB SE

DOCDB simple family (publication)

WO 0131162 A1 20010503; AU 1013801 A 20010508; CA 2287681 A1 20010428; EP 1240405 A1 20020918; ZA 200203259 B 20030424

DOCDB simple family (application)

CA 0001255 W 20001027; AU 1013801 A 20001027; CA 2287681 A 19991028; EP 00971186 A 20001027; ZA 200203259 A 20020424