(19)

(11)

EP 0 358 651 A1

(12)

(43) Date of publication: 21.03.1990 Bulletin 1990/12 (21) Application number: 88903207.0 (22) Date of filing: 23.03.1988

(51) International Patent Classification (IPC):  A45F 3/ 44( . ) E05G 1/ 00( . ) E05B 73/ 00( . ) (86) International application number: PCT/EP1988/000234 (87) International publication number: WO 1988/008266 (03.11.1988 Gazette 1988/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.04.1987 NL 19870000866 (71) Applicant: Janssen, Aloysius Wilhelmus Hendrikus NL-6538 GC Nijmegen (NL)	(72) Inventor: Janssen, Aloysius Wilhelmus Hendrikus NL-6538 GC Nijmegen (NL) (74) Representative: Lobatto, Jacob Louis, Drs.  Octrooi- en Merkenbureau Lobatto Postbus 1017 V. Polanenpark 368 NL-2241 SB Wassenaar NL-2241 SB Wassenaar (NL)