(19)

(11)

EP 2 217 380 A1

(12)

(43) Date of publication: 18.08.2010 Bulletin 2010/33 (21) Application number: 08762449.0 (22) Date of filing: 23.06.2008

(51) International Patent Classification (IPC):  B02C 15/00(2006.01) B02C 15/12(2006.01) (86) International application number: PCT/GB2008/002137 (87) International publication number: WO 2009/040494 (02.04.2009 Gazette 2009/14)

(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: 25.09.2007 GB 0718647 (71) Applicant: Bradken Uk Limited North Lincolnshire DN16 1DN (GB)	(72) Inventor: SADLER, Christopher, Eric West Midlands WS3 5AZ (GB) (74) Representative: Ashton, Timothy  Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)