(19)

(11)

EP 1 117 960 A1

(12)

(43) Date of publication: 25.07.2001 Bulletin 2001/30 (21) Application number: 99952876.3 (22) Date of filing: 30.09.1999

(51) International Patent Classification (IPC)7: F16L 37/40 // F16L29:02 (86) International application number: PCT/SE9901/734 (87) International publication number: WO 0020/793 (13.04.2000 Gazette 2000/15)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 01.10.1998 SE 9803330 (71) Applicant: Johnson Medical Development Pte Ltd. 628707 Singapore (SG)	(72) Inventor: NILSSON, Agne 4530 Limassol (CY) (74) Representative: Asketorp, Göran  Hansson Thyresson Patentbyra AB,Box 73 201 20 Malmö 201 20 Malmö (SE)