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(11)

EP 1 718 451 A1

(12)

(43) Date of publication: 08.11.2006 Bulletin 2006/45 (21) Application number: 04800400.6 (22) Date of filing: 26.11.2004

(51) International Patent Classification (IPC):  B29C 45/16(2006.01) (86) International application number: PCT/SE2004/001741 (87) International publication number: WO 2005/053930 (16.06.2005 Gazette 2005/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 02.12.2003 SE 0303248 (71) Applicant: Polyzink AB 330 10 Bredaryd (SE)	(72) Inventors: SVENSSON, Sven-Erik S-330 10 Bredaryd (SE) ANDERSON, Hans S-334 23 Anderstorp (SE) (74) Representative: Wallengren, Yngvar  Patentbyran Y Wallengren AB Box 116 331 21 Värnamo 331 21 Värnamo (SE)