(19)
(11) EP 2 396 496 A1

(12)

(43) Date of publication:
21.12.2011 Bulletin 2011/51

(21) Application number: 10740971.6

(22) Date of filing: 11.02.2010
(51) International Patent Classification (IPC): 
E21B 19/24(2006.01)
(86) International application number:
PCT/FI2010/050089
(87) International publication number:
WO 2010/092236 (19.08.2010 Gazette 2010/33)
(84) Designated Contracting States:
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 SM TR

(30) Priority: 12.02.2009 FI 20095135

(71) Applicant: Sandvik Mining and Construction Oy
33330 Tampere (FI)

(72) Inventors:
  • PIIPPONEN, Juha
    FI-33330 Tampere (FI)
  • MERILĂ„INEN, Mikko
    FI-33330 Tampere (FI)

(74) Representative: Kuosmanen, Timo 
Kolster Oy Ab Iso Roobertinkatu 23 P.O. Box 148
00121 Helsinki
00121 Helsinki (FI)

   


(54) METHOD FOR MANIPULATING RODLIKE PIECES, CENTRALIZER AND ROCK DRILLING UNIT