(19)

(11)

EP 0 929 729 A1

(12)

(43) Date of publication: 21.07.1999 Bulletin 1999/29 (21) Application number: 97945106.0 (22) Date of filing: 06.10.1997

(51) International Patent Classification (IPC):  E05C 9/ 18( . ) E05B 63/ 12( . ) (86) International application number: PCT/NZ1997/000130 (87) International publication number: WO 1998/015705 (16.04.1998 Gazette 1998/15)

(84) Designated Contracting States: DE FR GB (30) Priority: 07.10.1996 NZ 19960299527 (71) Applicant: Interlock Group Limited Miramar, Wellington 6003 (NZ)	(72) Inventors: FRANCIS, Michael, Gerard Upper Hutt 6007 (NZ) BURWELL, Damon, Gregory Wellington 6008 (NZ) (74) Representative: Carter, Gerald, et al  Arthur R. Davies & Co. 27 Imperial Square Cheltenham, Gloucestershire GL50 1RQ Cheltenham, Gloucestershire GL50 1RQ (GB)