(19)

(11)

EP 1 567 678 A1

(12)

(43) Date of publication: 31.08.2005 Bulletin 2005/35 (21) Application number: 03796071.3 (22) Date of filing: 01.12.2003

(51) International Patent Classification (IPC)7: C14C 3/06 (86) International application number: PCT/EP2003/050917 (87) International publication number: WO 2004/053170 (24.06.2004 Gazette 2004/26)

(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: 06.12.2002 CH 207302 12.02.2003 CH 2052003 (71) Applicant: TFL Ledertechnik GmbH 79576 Weil am Rhein (DE)	(72) Inventors: KETTERMANN, Joao Augusto 93030-260 Sao Leopoldo RS (BR) CHRISTENER, Jürgen 79424 Auggen (DE) (74) Representative: Maué, Paul Georg  Solvias AG, Klybeckstrasse 191 4002 Basel 4002 Basel (CH)