(19)

(11)

EP 0 832 334 A1

(12)

(43) Date of publication: 01.04.1998 Bulletin 1998/14 (21) Application number: 96903838.0 (22) Date of filing: 07.03.1996

(51) International Patent Classification (IPC):  E04B 2/ 74( . ) (86) International application number: PCT/AU1996/000122 (87) International publication number: WO 1996/027716 (12.09.1996 Gazette 1996/41)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.03.1995 AU 1995PN01567 (71) Applicant: Stansfield, Anthony Southport, QLD 4215 (AU)	(72) Inventor: Stansfield, Anthony Southport, QLD 4215 (AU) (74) Representative: Patentanwälte Wenzel & Kalkoff  Postfach 73 04 66 22124 Hamburg 22124 Hamburg (DE)