Global Patent Index - EP 2310617 A4

EP 2310617 A4 20151202 - DRILL BIT MAGAZINE, DRILL BIT HOLDER, AND METHOD FOR CHANGING DRILL BIT IN ROCK DRILLING UNIT

Title (en)

DRILL BIT MAGAZINE, DRILL BIT HOLDER, AND METHOD FOR CHANGING DRILL BIT IN ROCK DRILLING UNIT

Title (de)

BOHRERMAGAZIN, BOHRERHALTER UND VERFAHREN ZUM WECHSELN EINES BOHRERS IN EINER GESTEINSBOHREINHEIT

Title (fr)

MAGASIN DE TREPANS, SUPPORT DE TREPAN, ET PROCEDE POUR CHANGER LE TREPAN DANS UNE UNITE DE PERFORATION DE ROCHERS

Publication

EP 2310617 A4 20151202 (EN)

Application

EP 09769418 A 20090612

Priority

  • FI 2009050510 W 20090612
  • FI 20085630 A 20080623

Abstract (en)

[origin: WO2009156575A1] The invention relates to a drill bit magazine, drill bit holder, and method for changing a drill bit in a rock drilling unit. The magazine (16) has several spaces (30), each arranged to receive one drill bit holder (22). The drill bit (12) is supported into the magazine by means of the drill bit holder. In addition, transfers between the magazine and retainer (14) take place by acting on the drill bit holder only. The drill bit holder is a projecting piece that is supported against at least one inside surface (41 ) of the drill bit.

IPC 8 full level

E21B 19/14 (2006.01); E21B 19/18 (2006.01); E21B 19/20 (2006.01)

CPC (source: EP FI)

E21B 7/025 (2013.01 - EP); E21B 19/146 (2013.01 - EP FI); E21B 19/18 (2013.01 - EP FI); E21B 19/20 (2013.01 - FI)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2009156575 A1 20091230; AU 2009264154 A1 20091230; AU 2009264154 B2 20120517; CA 2727856 A1 20091230; CA 2727856 C 20131001; CN 102066691 A 20110518; CN 102066691 B 20140402; EP 2310617 A1 20110420; EP 2310617 A4 20151202; FI 121438 B 20101115; FI 20085630 A0 20080623; FI 20085630 A 20091224; JP 2011525578 A 20110922; JP 5117615 B2 20130116; ZA 201100478 B 20111026

DOCDB simple family (application)

FI 2009050510 W 20090612; AU 2009264154 A 20090612; CA 2727856 A 20090612; CN 200980124049 A 20090612; EP 09769418 A 20090612; FI 20085630 A 20080623; JP 2011515496 A 20090612; ZA 201100478 A 20110119