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(11)

EP 1 379 736 A1

(12)

(43) Date of publication: 14.01.2004 Bulletin 2004/03 (21) Application number: 02714642.2 (22) Date of filing: 01.04.2002

(51) International Patent Classification (IPC)7: E04B 7/16, E05F 15/14 (86) International application number: PCT/NL2002/000208 (87) International publication number: WO 2002/081836 (17.10.2002 Gazette 2002/42)

(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 (30) Priority: 03.04.2001 NL 1017763 (71) Applicant: Microtech Nederland B.V. 7443 PH Nijverdal (NL)	(72) Inventors: TEN HOOPE, Gerhard, Jan NL-7607 AJ Almelo (NL) KEUPERS, Gert-Jan NL-7443 PH Nijverdal (NL) (74) Representative: Van den Heuvel, Henricus Theodorus  Patentwerk BVP.O. Box 1514 5200 BN 's-Hertogenbosch 5200 BN 's-Hertogenbosch (NL)