(19)
(11) EP 2 198 110 A1

(12)

(43) Date of publication:
23.06.2010 Bulletin 2010/25

(21) Application number: 08787686.8

(22) Date of filing: 10.07.2008
(51) International Patent Classification (IPC): 
E21B 7/20(2006.01)
E21B 17/046(2006.01)
 E21B 10/64(2006.01)
(86) International application number:
PCT/FI2008/000087
(87) International publication number:
WO 2009/007494 (15.01.2009 Gazette 2009/03)
(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 MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 10.07.2007 FI 20070540

(71) Applicant: Robit Rocktools LTD.
33880 Lempäälä (FI)

(72) Inventors:
  • MATTILA, Mikko
    FI-33 800 Tampere (FI)
  • SALMI, Pekka
    FI-36420 Sahalahti (FI)

(74) Representative: Nieminen, Taisto Tapani 
Patenttitoimisto T. Nieminen Oy, Kehräsaari B
33200 Tampere
33200 Tampere (FI)

   


(54) BIT ASSEMBLY