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
Application
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)
- [X] US 5300006 A 19940405 - TANAKA NORIO [US], et al
- [X] WO 2005018871 A1 20050303 - KENNAMETAL INC [US], et al
- [X] US 4656727 A 19870414 - ITOH KIMIO [JP]
- [A] US 5065492 A 19911119 - VON HAAS RAINER [DE], et al
- [A] US 4974686 A 19901204 - HISEY ROBERT W [US], et al
- [A] US 3976149 A 19760824 - GRANHOLM SVEN, et al
- [A] WO 2008054302 A1 20080508 - ATLAS COPCO ROCK DRILLS AB [SE], et al
- [A] US 2006162963 A1 20060727 - HAGEMEYER CARL [DE], et al
- See references of WO 2009156575A1
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