(19)

(11)

EP 0 407 402 A1

(12)

(43) Date of publication: 16.01.1991 Bulletin 1991/03 (21) Application number: 89902732.0 (22) Date of filing: 17.02.1989

(51) International Patent Classification (IPC):  B60R 25/ 04( . ) B60R 16/ 03( . ) B60R 16/ 02( . ) (86) International application number: PCT/AU1989/000068 (87) International publication number: WO 1989/007815 (24.08.1989 Gazette 1989/20)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 18.02.1988 AU 19880006834 (71) Applicant: AUSTRALIAN SECURITY,TECHNOLOGY AND DEVELOPMENT PTY. LTD Brendale, QLD 4500 (AU)	(72) Inventor: McALPINE, Graham, Robert Lawnton, QLD 4501 (AU) (74) Representative: Gasser, François W.  Patentanwalt und Lizenzberater, Reiterstrasse 5A CH-3013 Bern CH-3013 Bern (CH)