(19)

(11)

EP 2 125 229 A1

(12)

(43) Date of publication: 02.12.2009 Bulletin 2009/49 (21) Application number: 08705553.9 (22) Date of filing: 10.01.2008

(51) International Patent Classification (IPC):  B02C 17/06(2006.01) (86) International application number: PCT/US2008/000356 (87) International publication number: WO 2008/086026 (17.07.2008 Gazette 2008/29)

(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 (30) Priority: 10.01.2007 US 879618 P (71) Applicant: Koppern Equiptment, Inc. Charlotte, NC 28217 (US)	(72) Inventor: NEUMANN, Eberhard, W Huntersville, NC 28078 (US) (74) Representative: von Bülow, Tam  Patentanwaltskanzlei Rotbuchenstrasse 6 81547 München 81547 München (DE)