(19)

(11)

EP 0 590 080 A1

(12)

(43) Date of publication: 06.04.1994 Bulletin 1994/14 (21) Application number: 92914791.0 (22) Date of filing: 10.06.1992

(51) International Patent Classification (IPC):  E04H 6/ 00( . ) (86) International application number: PCT/NL1992/000100 (87) International publication number: WO 1992/022718 (23.12.1992 Gazette 1992/32)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 12.06.1991 NL 19910001014 (71) Applicant: BEUKEVELD, Petrus Johannes NL-6311 AW Ransdaal (NL)	(72) Inventor: BEUKEVELD, Petrus Johannes NL-6311 AW Ransdaal (NL)