(19)
(11) EP 3 311 004 A1

(12)

(43) Date of publication:
25.04.2018 Bulletin 2018/17

(21) Application number: 16733884.7

(22) Date of filing: 29.06.2016
(51) International Patent Classification (IPC): 
E21C 35/19(2006.01)
(86) International application number:
PCT/EP2016/001109
(87) International publication number:
WO 2017/012690 (26.01.2017 Gazette 2017/04)
(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: 22.07.2015 DE 102015009472

(71) Applicant: Caterpillar Global Mining Europe GmbH
44534 Lünen (DE)

(72) Inventors:
  • KRATOCHVIL, Stefan
    44534 Lünen (DE)
  • RASCHKA, Joachim
    44805 Bochum (DE)
  • BERGER, Stefan
    44649 Herne (DE)
  • BROTZMANN, Gerhard
    44225 Dortmund (DE)
  • MARKOWSKI, Michael
    44143 Dortmund (DE)
  • LEPPKES, Hans
    58239 Schwerte (DE)
  • ROHWER, Jan
    44135 Dortmund (DE)

(74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB 
European Patent Attorneys Landsberger Strasse 300
80687 München
80687 München (DE)

   


(54) CUTTING BIT CARRIER FOR CUTTING BITS