(19)

(11)

EP 1 015 805 A1

(12)

(43) Date of publication: 05.07.2000 Bulletin 2000/27 (21) Application number: 98922520.6 (22) Date of filing: 26.05.1998

(51) International Patent Classification (IPC)7: F16L 55/162 (86) International application number: PCT/AU9800/388 (87) International publication number: WO 9854/509 (03.12.1998 Gazette 1998/48)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 26.05.1997 AU PO695497 (71) Applicant: Barry, Kevin, Francis, Patrick, Jr. Turramurra, NSW 2074 (AU)	(72) Inventor: Barry, Kevin, Francis, Patrick, Jr. Turramurra, NSW 2074 (AU) (74) Representative: BROOKES & MARTIN  High Holborn House52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)