(19)

(11)

EP 1 534 961 A1

(12)

(43) Date of publication: 01.06.2005 Bulletin 2005/22 (21) Application number: 03793969.1 (22) Date of filing: 05.09.2003

(51) International Patent Classification (IPC)7: F15B 1/10, F42B 33/06 (86) International application number: PCT/IB2003/003763 (87) International publication number: WO 2004/022984 (18.03.2004 Gazette 2004/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 06.09.2002 ZA 200207183 (71) Applicant: Richards, Paul Anthony Hemanus, 7200 Cape Town (ZA)	(72) Inventor: Richards, Paul Anthony Hemanus, 7200 Cape Town (ZA) (74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät  Maximilianstrasse 58 80538 München 80538 München (DE)