(19)

(11)

EP 1 402 120 A1

(12)

(43) Date of publication: 31.03.2004 Bulletin 2004/14 (21) Application number: 01942952.1 (22) Date of filing: 05.07.2001

(51) International Patent Classification (IPC)7: E02D 29/02 (86) International application number: PCT/CH2001/000420 (87) International publication number: WO 2003/004781 (16.01.2003 Gazette 2003/03)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: VSL International AG 3014 Bern (CH)	(72) Inventors: MONDON, Jean-Yves CH-3006 Bern (CH) DOMAGE, Jean-Baptiste CH-3006 Bern (CH) (74) Representative: BOVARD AG - Patentanwälte  Optingenstrasse 16 3000 Bern 25 3000 Bern 25 (CH)