(19)

(11)

EP 1 514 027 A2

(12)

(88) Date of publication A3: 04.03.2004 (43) Date of publication: 16.03.2005 Bulletin 2005/11 (21) Application number: 03727124.4 (22) Date of filing: 18.06.2003

(51) International Patent Classification (IPC)7: F04B 53/16 (86) International application number: PCT/CH2003/000394 (87) International publication number: WO 2004/001228 (31.12.2003 Gazette 2004/01)

(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: 19.06.2002 EP 02405509 (71) Applicant: Gyger, Fritz CH-3645 Thun-Gwatt (CH)	(72) Inventor: Gyger, Fritz CH-3645 Thun-Gwatt (CH) (74) Representative: Störzbach, Michael Andreas  Ammann Patentanwälte AG BernSchwarztorstrasse 31 3001 Bern 3001 Bern (CH)