(19)

(11)

EP 0 842 334 A1

(12)

(43) Date of publication: 20.05.1998 Bulletin 1998/21 (21) Application number: 96925598.0 (22) Date of filing: 02.08.1996

(51) International Patent Classification (IPC):  E03D 1/ 14( . ) F16K 31/ 20( . ) E03D 1/ 30( . ) F16K 33/ 00( . ) (86) International application number: PCT/AU1996/000486 (87) International publication number: WO 1997/005337 (13.02.1997 Gazette 1997/08)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 02.08.1995 AU 1995PN04554 (71) Applicant: Orbell, Muriel Ann Hampton, VIC 3188 (AU)	(72) Inventor: ORBELL, Joseph, Robin Hampton, VIC 3188 (AU) (74) Representative: Brown, John David  FORRESTER & BOEHMERT Franz-Joseph-Strasse 38 80801 München 80801 München (DE)