(19)
(11) EP 3 234 297 A1

(12)

(43) Date of publication:
25.10.2017 Bulletin 2017/43

(21) Application number: 15832913.6

(22) Date of filing: 18.12.2015
(51) International Patent Classification (IPC): 
E21B 7/15(2006.01)
E21C 37/18(2006.01)
(86) International application number:
PCT/NL2015/050879
(87) International publication number:
WO 2016/099271 (23.06.2016 Gazette 2016/25)
(84) Designated Contracting States:
AL 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 RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 19.12.2014 NL 2014022

(71) Applicant: IHC Holland IE B.V.
3361 EP Sliedrecht (NL)

(72) Inventors:
  • KLEIJN, Ate Conraad
    3035 GW Rotterdam (NL)
  • PLAT, Robert
    5247 VH Rosmalen (NL)
  • VERICHEV, Stanislav Nikolaevich
    3312 EA Dordrecht (NL)

(74) Representative: Nederlandsch Octrooibureau 
P.O. Box 29720
2502 LS The Hague
2502 LS The Hague (NL)

   


(54) DEVICE AND METHOD FOR CRUSHING ROCK BY MEANS OF PULSED ELECTRIC ENERGY