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(11)

EP 2 106 502 A1

(12)

(43) Date of publication: 07.10.2009 Bulletin 2009/41 (21) Application number: 07866154.3 (22) Date of filing: 12.12.2007

(51) International Patent Classification (IPC):  F04B 9/00(2006.01) (86) International application number: PCT/ZA2007/000087 (87) International publication number: WO 2008/095206 (07.08.2008 Gazette 2008/32)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 30.01.2007 ZA 200701068 (71) Applicant: African Explosives Limited Woodmead 2196 Sandton (ZA)	(72) Inventors: BÜHRMANN, Rudolph, Teodor 2196 Sandton (ZA) BÜHRMANN, Rudolph 2196 Sandton (ZA) NEIMANN, Frank 2196 Sandton (ZA) (74) Representative: Oudin, Stéphane et al JurisPatent 10 Rue Paul Thénard 21000 Dijon 21000 Dijon (FR)